/* roulang page: index */
:root{
  --brand-600:#5B2BE0;
  --brand-700:#4318B8;
  --grad-a:#7A3BFF;
  --grad-b:#00D2A8;
  --accent-2:#FF8A3D;
  --accent-3:#FFD84D;
  --bg:#F6F4FF;
  --surface:#FFFFFF;
  --surface-2:#EFEBFF;
  --ink:#191233;
  --ink-2:#4A4468;
  --ink-3:#7A7591;
  --line:#E7E2F7;
  --ok:#12B886;
  --warn:#F59E0B;
  --err:#E5484D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(28,18,72,.06);
  --sh-2:0 10px 28px rgba(28,18,72,.10);
  --sh-3:0 20px 48px rgba(28,18,72,.16);
  --container:1200px;
  --container-wide:1320px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-primary:#5B2BE0;
  --bs-body-bg:#F6F4FF;
  --bs-body-color:#191233;
  --bs-border-color:#E7E2F7;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#5B2BE0;
  --bs-link-hover-color:#4318B8;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(91,43,224,.35);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px;}
.container-wide{max-width:var(--container-wide);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部倒计时条 ---------- */
.flash-bar{
  background:linear-gradient(135deg,#4318B8 0%,#5B2BE0 45%,#00A98C 100%);
  color:#fff;
  min-height:54px;
  display:flex;
  align-items:center;
}
.flash-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-block:9px;
}
.flash-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  padding:5px 14px;
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.flash-clock{display:flex;align-items:center;gap:8px;}
.clock-cell{
  min-width:56px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.26);
  border-radius:var(--r-md);
  text-align:center;
  padding:4px 8px 5px;
  backdrop-filter:blur(4px);
}
.clock-cell span{
  display:block;
  font-size:22px;
  font-weight:800;
  line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.clock-cell em{display:block;font-style:normal;font-size:11px;opacity:.85;line-height:1.2;}
.flash-link{
  color:#fff;
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-bottom:1px solid rgba(255,255,255,.5);
  padding-bottom:2px;
  white-space:nowrap;
}
.flash-link:hover{color:var(--accent-3);border-color:var(--accent-3);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,transform .22s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  color:#fff;
  font-weight:800;
  font-size:22px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(91,43,224,.32);
  line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1;}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  background:transparent;
  border:0;
  cursor:pointer;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-item:hover{color:var(--brand-600);background:var(--surface-2);}
.nav-item.active{color:var(--brand-600);}
.nav-item.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--grad-a),var(--grad-b));
}
.nav-more{position:relative;}
.nav-more-btn i{font-size:12px;transition:transform .2s ease;}
.nav-more:hover .nav-more-btn i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:780px;
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  border:1px solid var(--line);
  padding:26px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .18s cubic-bezier(.2,.7,.3,1),transform .18s cubic-bezier(.2,.7,.3,1),visibility .18s;
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;margin-bottom:12px;}
.mega-list li+li{margin-top:2px;}
.mega-list a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:9px 10px;
  border-radius:12px;
  color:var(--ink-2);
  font-size:14.5px;
  font-weight:600;
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.mega-list a:hover{transform:translateX(4px);background:var(--surface-2);color:var(--brand-600);}
.mega-list a i{color:var(--brand-600);font-size:15px;}
.mega-idx{
  width:24px;height:24px;border-radius:8px;
  background:var(--surface-2);
  color:var(--brand-600);
  font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.mega-cards{display:flex;flex-direction:column;gap:14px;}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--surface);
  transition:box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card-body{padding:12px 14px 14px;}
.mega-card-body h4{font-size:15px;font-weight:700;margin-bottom:3px;}
.mega-card-body p{font-size:12.5px;color:var(--ink-3);line-height:1.6;display:flex;align-items:center;gap:6px;}
.mega-foot{
  grid-column:1/-1;
  border-top:1px solid var(--line);
  padding-top:14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13.5px;
  color:var(--ink-3);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:22px;
  align-items:center;justify-content:center;
}

/* ---------- 按钮 ---------- */
.btn{transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
.btn-brand{
  background:linear-gradient(135deg,var(--grad-a),var(--brand-700));
  color:#fff;
  border:0;
  border-radius:var(--r-pill);
  font-weight:700;
  padding:13px 30px;
  font-size:15.5px;
  box-shadow:0 10px 24px rgba(91,43,224,.28);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,43,224,.36);}
.btn-brand:active{transform:translateY(0);}
.btn-brand.btn-sm{padding:9px 20px;font-size:14px;box-shadow:0 6px 16px rgba(91,43,224,.24);}
.btn-ghost{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:1.5px solid rgba(255,255,255,.55);
  border-radius:var(--r-pill);
  font-weight:700;
  padding:12px 28px;
  font-size:15.5px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn-ghost:hover{background:#fff;color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost-light{
  background:#fff;
  color:var(--brand-600);
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  font-weight:700;
  padding:12px 28px;
  font-size:15.5px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn-ghost-light:hover{border-color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent{
  background:linear-gradient(135deg,var(--accent-2),var(--accent-3));
  color:#3A2200;
  border:0;
  border-radius:var(--r-pill);
  font-weight:800;
  padding:13px 30px;
  font-size:15.5px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  box-shadow:0 10px 24px rgba(255,138,61,.3);
}
.btn-accent:hover{color:#3A2200;transform:translateY(-2px);}

/* ---------- 通用板块 ---------- */
.section{padding-block:96px;}
.section-tight{padding-block:72px;}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-600);
  background:var(--surface-2);
  border-radius:var(--r-pill);
  padding:6px 16px;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.sec-title{font-size:32px;font-weight:700;line-height:1.3;margin-bottom:12px;}
.sec-desc{font-size:16px;color:var(--ink-2);line-height:1.8;}

/* ---------- Hero ---------- */
.hero-wrap{padding-top:36px;}
.hero-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,#5B2BE0 0%,#7A3BFF 42%,#00C9A2 100%);
  padding:64px 56px;
  color:#fff;
  box-shadow:var(--sh-3);
}
.hero-card::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-70px;
  width:420px;height:420px;
  background-image:radial-gradient(rgba(255,255,255,.5) 1.4px,transparent 1.4px);
  background-size:18px 18px;
  opacity:.25;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero-badge-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.35);
  border-radius:var(--r-pill);
  padding:6px 16px;
  font-size:13.5px;
  font-weight:600;
  margin-bottom:22px;
}
.hero-card h1{
  font-size:clamp(32px,4vw,48px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.02em;
  color:#fff;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.92);
  max-width:560px;
  margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{
  display:flex;
  align-items:baseline;
  gap:8px;
  background:#fff;
  border-radius:var(--r-md);
  padding:10px 18px;
  box-shadow:var(--sh-1);
  color:var(--ink);
}
.stat-badge b{font-size:24px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1;}
.stat-badge i{font-style:normal;font-size:12.5px;color:var(--ink-3);font-weight:600;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:0 18px 40px rgba(10,4,40,.28);
}
.hero-float{
  position:absolute;
  right:-10px;bottom:-16px;
  background:#fff;
  border-radius:20px;
  padding:14px 20px;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.hero-float b{display:block;font-size:26px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.1;}
.hero-float span{font-size:11.5px;color:var(--ink-3);font-weight:600;}

/* ---------- 卖点错落网格 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:24px;
}
.f-card{
  background:var(--surface);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
  position:relative;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.f-card-lg{grid-column:span 3;}
.f-card-sm{grid-column:span 2;}
.f-icon{
  width:52px;height:52px;
  border-radius:16px;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  color:#fff;
  font-size:24px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
  box-shadow:0 10px 22px rgba(91,43,224,.26);
  transition:transform .3s ease;
}
.f-card:hover .f-icon{transform:rotate(-5deg);}
.f-card h3{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.f-card-sm h3{font-size:17.5px;}
.f-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.f-tagline{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-600);
  margin-top:auto;
  padding-top:20px;
}
.f-card:hover .f-tagline{gap:10px;}
.f-badge{
  position:absolute;
  top:24px;right:24px;
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--surface-2);
  color:var(--brand-600);
}
.f-badge.warm{background:#FFF3E6;color:#C25A0A;}

/* ---------- 亮点图墙 ---------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:20px;
}
.g-item{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  display:block;
}
.g-item.g2{grid-column:span 2;}
.g-item.g3{grid-column:span 3;}
.g-item.g4{grid-column:span 4;}
.g-item img{
  width:100%;
  height:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .3s ease;
}
.g-item.g2 img{aspect-ratio:4/3;}
.g-item::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(10,4,40,.82) 0%,rgba(10,4,40,.18) 48%,transparent 72%);
  transition:opacity .3s ease;
}
.g-item:hover img{transform:scale(1.04);}
.g-item:hover::after{opacity:.92;}
.g-cap{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:1;
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  line-height:1.5;
  transition:transform .3s ease;
}
.g-item:hover .g-cap{transform:translateY(-4px);}
.g-cap em{display:block;font-style:normal;font-size:12px;font-weight:500;color:rgba(255,255,255,.82);margin-top:3px;}

/* ---------- 数据统计条 ---------- */
.stat-bar{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px 32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  box-shadow:var(--sh-1);
}
.stat-item{text-align:center;position:relative;}
.stat-item+.stat-item::before{
  content:"";
  position:absolute;
  left:-12px;top:12%;
  height:76%;
  width:1px;
  background:var(--line);
}
.stat-item b{
  display:block;
  font-size:34px;
  font-weight:800;
  color:var(--brand-600);
  line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.stat-item span{font-size:13.5px;color:var(--ink-3);font-weight:600;}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  background:var(--surface);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-cat{
  position:absolute;
  top:14px;left:14px;
  background:rgba(255,255,255,.94);
  color:var(--brand-600);
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.news-body{padding:22px 24px 20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17.5px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.news-card:hover .news-body h3{color:var(--brand-600);}
.news-body p{
  font-size:13.5px;
  color:var(--ink-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:18px;
}
.news-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.news-foot i{font-size:15px;color:var(--brand-600);transition:transform .2s ease;}
.news-card:hover .news-foot i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;
  background:var(--surface-2);
  border-radius:var(--r-lg);
  padding:64px 24px;
  text-align:center;
}
.empty-state i{font-size:44px;color:var(--brand-600);opacity:.6;}
.empty-state p{font-size:15px;color:var(--ink-2);margin:16px 0 20px;}

/* ---------- CTA 表单 ---------- */
.cta-card{
  border-radius:var(--r-xl);
  overflow:hidden;
  display:grid;
  grid-template-columns:8fr 4fr;
  box-shadow:var(--sh-3);
  background:var(--surface);
}
.cta-left{
  background:linear-gradient(135deg,#3D14AB 0%,#5B2BE0 50%,#00B393 100%);
  color:#fff;
  padding:56px 48px;
  position:relative;
  overflow:hidden;
}
.cta-left::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:300px;height:300px;
  border:2px solid rgba(255,255,255,.16);
  border-radius:50%;
}
.cta-left h2{font-size:30px;font-weight:700;color:#fff;margin-bottom:14px;line-height:1.35;}
.cta-left>p{font-size:15.5px;color:rgba(255,255,255,.9);margin-bottom:28px;max-width:440px;}
.cta-points{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1;}
.cta-points li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:15.5px;
  font-weight:600;
  color:#fff;
}
.cta-points li i{
  width:24px;height:24px;
  border-radius:50%;
  background:rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  flex-shrink:0;
}
.cta-right{background:var(--surface);padding:44px 40px;}
.form-title{font-size:20px;font-weight:700;margin-bottom:6px;}
.form-hint{font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-2);
  margin-bottom:7px;
}
.form-control,.form-select{
  height:48px;
  border-radius:12px;
  border:1.5px solid var(--line);
  font-size:15px;
  padding-inline:15px;
  background-color:var(--surface);
  color:var(--ink);
  box-shadow:none;
}
.form-control::placeholder{color:var(--ink-3);opacity:.75;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(91,43,224,.16);
}
.form-check-input{width:18px;height:18px;border-color:var(--line);margin-top:2px;}
.form-check-input:checked{background-color:var(--brand-600);border-color:var(--brand-600);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(91,43,224,.18);}
.form-check-label{font-size:13.5px;color:var(--ink-2);}
.form-note{font-size:12.5px;color:var(--err);margin-top:6px;display:none;}
.form-note.show{display:block;}
.form-alert{
  display:none;
  border-radius:12px;
  background:#E9FBF4;
  border:1px solid #B9EEDC;
  color:#0B7A5B;
  font-size:13.5px;
  padding:11px 14px;
  margin-bottom:16px;
  font-weight:600;
}
.form-alert.show{display:block;}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:48px;
  max-width:1040px;
  margin-inline:auto;
}
.faq-aside{position:sticky;top:110px;align-self:start;}
.faq-aside h2{font-size:28px;font-weight:700;line-height:1.35;margin-bottom:12px;}
.faq-aside p{font-size:15px;color:var(--ink-2);margin-bottom:24px;}
.faq-help{
  background:var(--surface-2);
  border-radius:var(--r-lg);
  padding:22px 24px;
}
.faq-help b{display:block;font-size:15px;margin-bottom:6px;}
.faq-help span{font-size:13.5px;color:var(--ink-3);display:block;margin-bottom:12px;}
.accordion-item{
  border:0;
  background:var(--surface);
  border-radius:var(--r-md) !important;
  box-shadow:var(--sh-1);
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  padding:20px 24px;
  background:var(--surface);
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  color:var(--brand-600);
  background:var(--surface);
  box-shadow:inset 4px 0 0 0 var(--brand-600) !important;
}
.accordion-button::after{
  background-image:none;
  content:"\F282";
  font-family:"bootstrap-icons";
  font-size:16px;
  width:auto;height:auto;
  transition:transform .22s ease;
  color:var(--ink-3);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand-600);}
.accordion-body{
  padding:4px 24px 22px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.85;
  box-shadow:inset 4px 0 0 0 var(--brand-600);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#120C2B;
  color:#B9B2D6;
  padding-top:72px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:#8A83AC;}
.footer-brand p{font-size:13.5px;line-height:1.85;margin:18px 0;color:#9C95BC;max-width:320px;}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:13.5px;
  color:#9C95BC;
  margin-bottom:9px;
}
.footer-contact i{color:var(--grad-b);font-size:14px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:20px;
  letter-spacing:.02em;
}
.footer-col li{margin-bottom:11px;}
.footer-col a{
  color:#B0A9CE;
  font-size:14px;
  display:inline-block;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--grad-b);transform:translateX(4px);}
.footer-qr{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:18px;
  display:flex;
  align-items:center;
  gap:16px;
}
.qr-box{
  width:96px;height:96px;
  border-radius:12px;
  background:repeating-conic-gradient(#2A2150 0% 25%,#1B1440 0% 50%) 50%/12px 12px;
  display:flex;align-items:center;justify-content:center;
  color:#7A72A0;
  font-size:26px;
  flex-shrink:0;
}
.footer-qr span{font-size:13px;color:#9C95BC;line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-block:24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:#8A83AC;
}
.footer-bottom a{color:#8A83AC;}
.footer-bottom a:hover{color:var(--grad-b);}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .mega-panel{width:700px;}
}
@media (max-width:991.98px){
  .container{padding-inline:20px;}
  .nav-inner{height:64px;gap:14px;}
  .hamburger{display:inline-flex;}
  .nav-actions .btn-brand{display:none;}
  .nav-menu{
    position:absolute;
    top:100%;
    left:0;right:0;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:14px 20px 22px;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-item{width:100%;justify-content:space-between;padding:13px 14px;font-size:15.5px;border-radius:12px;}
  .nav-item.active::after{display:none;}
  .nav-item.active{background:var(--surface-2);}
  .nav-more{width:100%;}
  .nav-more-btn{width:100%;}
  .mega-panel{
    position:static;
    width:100%;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:0;
    border-radius:0;
    padding:6px 0 0;
    grid-template-columns:1fr;
    display:none;
  }
  .nav-more.open .mega-panel{display:grid;}
  .hero-card{padding:44px 32px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media{order:-1;}
  .hero-float{right:12px;bottom:-14px;}
  .section{padding-block:72px;}
  .feature-grid{grid-template-columns:repeat(4,1fr);}
  .f-card-lg{grid-column:span 4;}
  .f-card-sm{grid-column:span 2;}
  .gallery-grid{grid-template-columns:repeat(4,1fr);}
  .g-item.g4{grid-column:span 4;}
  .g-item.g3{grid-column:span 2;}
  .g-item.g2{grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:32px 24px;padding:30px 24px;}
  .stat-item:nth-child(3)::before{display:none;}
  .cta-card{grid-template-columns:1fr;}
  .cta-left{padding:44px 32px;}
  .cta-right{padding:36px 32px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:575.98px){
  .container{padding-inline:16px;}
  .flash-inner{justify-content:center;gap:10px;}
  .flash-clock{gap:6px;}
  .clock-cell{min-width:48px;padding:3px 6px 4px;}
  .clock-cell span{font-size:18px;}
  .flash-link{font-size:13px;}
  .brand-text strong{font-size:15.5px;}
  .brand-mark{width:38px;height:38px;font-size:19px;border-radius:12px;}
  .hero-wrap{padding-top:20px;}
  .hero-card{padding:32px 22px;border-radius:var(--r-lg);}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{width:100%;min-height:48px;}
  .hero-stats{gap:8px;}
  .stat-badge{padding:8px 14px;}
  .stat-badge b{font-size:20px;}
  .section{padding-block:56px;}
  .sec-title{font-size:23px;}
  .sec-desc{font-size:15px;}
  .features-grid{gap:16px;}
  .feature-grid{grid-template-columns:1fr;gap:16px;}
  .f-card-lg,.f-card-sm{grid-column:span 1;}
  .f-card{padding:24px 22px;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .g-item.g2,.g-item.g3,.g-item.g4{grid-column:span 2;}
  .g-item.g2 img{aspect-ratio:16/9;}
  .g-cap{left:14px;right:14px;bottom:12px;font-size:14px;}
  .news-grid{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:1fr;gap:22px;}
  .stat-item::before{display:none !important;}
  .stat-item b{font-size:28px;}
  .cta-left h2{font-size:23px;}
  .cta-left,.cta-right{padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-button{font-size:15.5px;padding:16px 18px;}
  .accordion-body{padding:4px 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand-600:#5B2BE0;
  --brand-700:#4318B8;
  --grad-a:#7A3BFF;
  --grad-b:#00D2A8;
  --accent-2:#FF8A3D;
  --accent-3:#FFD84D;
  --bg:#F6F4FF;
  --surface:#FFFFFF;
  --surface-2:#EFEBFF;
  --ink:#191233;
  --ink-2:#4A4468;
  --ink-3:#7A7591;
  --line:#E7E2F7;
  --ok:#12B886;
  --warn:#F59E0B;
  --err:#E5484D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --shadow-1:0 4px 14px rgba(28,18,72,.06);
  --shadow-2:0 10px 28px rgba(28,18,72,.10);
  --shadow-3:0 20px 48px rgba(28,18,72,.16);
  --container:1200px;
  --read:800px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-primary:#5B2BE0;
  --bs-body-bg:#F6F4FF;
  --bs-body-color:#191233;
  --bs-border-color:#E7E2F7;
  --bs-border-radius:16px;
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:#5B2BE0;
  --bs-link-hover-color:#4318B8;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);}
p{margin:0;}
:focus-visible{outline:3px solid rgba(91,43,224,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.sec-head{margin-bottom:40px;max-width:820px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;}
.sec-head p{margin-top:12px;font-size:16px;color:var(--ink-3);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-600);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(135deg,var(--grad-a),var(--grad-b));}

/* ===== header / nav ===== */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease, transform .22s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-2);}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:46px;height:46px;border-radius:14px;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:20px;letter-spacing:-.02em;
  box-shadow:0 8px 18px rgba(91,43,224,.28);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.2em;color:var(--ink-3);margin-top:2px;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-item{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  background:transparent;border:0;cursor:pointer;white-space:nowrap;
  transition:color .18s ease, background .18s ease;
}
.nav-item:hover{color:var(--brand-600);background:var(--surface-2);}
.nav-item.active{color:var(--brand-600);}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
}
.nav-more{position:relative;}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:780px;
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-3);
  padding:26px;display:grid;grid-template-columns:1fr 1.15fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s cubic-bezier(.2,.7,.3,1),transform .18s cubic-bezier(.2,.7,.3,1),visibility .18s;
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel,
.nav-more.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-3);margin-bottom:14px;}
.mega-list li a{
  display:flex;align-items:center;gap:12px;
  padding:9px 10px;border-radius:12px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:transform .18s ease,color .18s ease,background .18s ease;
}
.mega-list li a:hover{transform:translateX(4px);color:var(--brand-600);background:var(--surface-2);}
.mega-idx{font-size:12px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;}
.mega-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.mega-card{border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);display:flex;flex-direction:column;}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card-body{padding:12px 14px 16px;background:#fff;}
.mega-card-body h4{font-size:14px;font-weight:700;margin-bottom:4px;}
.mega-card-body p{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:6px;}
.mega-foot{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--ink-3);
}
.mega-foot a{font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:20px;align-items:center;justify-content:center;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-600);}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-brand{
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  color:#fff;box-shadow:0 8px 20px rgba(91,43,224,.24);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(91,43,224,.30);}
.btn-brand:active{transform:translateY(0);background:linear-gradient(135deg,var(--brand-700),#00a888);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600);transform:translateY(-2px);}
.btn-accent{background:var(--accent-2);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.26);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-light{background:#fff;color:var(--brand-600);}
.btn-light:hover{color:var(--brand-700);transform:translateY(-2px);}

/* ===== tags / chips ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:var(--surface-2);color:var(--brand-600);
}
.tag-outline{background:#fff;border:1px solid var(--accent-3);color:#8a6a00;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-2);
  font-size:13px;font-weight:500;font-variant-numeric:tabular-nums;
}
.meta-chip i{color:var(--brand-600);}

/* ===== breadcrumb ===== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:24px 0 0;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--brand-600);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== article head ===== */
.article-head{padding-bottom:8px;}
.head-card{
  background:var(--surface);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);padding:40px;
  margin-top:20px;
}
.head-card h1{
  font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.25;letter-spacing:-.02em;
  margin:16px 0 20px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;}
.post-cover{margin:28px 0 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ===== article layout ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;padding:56px 0 0;}
.article-main{min-width:0;}
.article-body{
  max-width:var(--read);
  font-size:17px;line-height:1.9;color:var(--ink-2);
  background:var(--surface);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--shadow-1);
  word-wrap:break-word;
}
.article-body > * + *{margin-top:18px;}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;color:var(--ink);
  padding-left:18px;margin-top:40px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:6px;border-radius:6px;
  background:linear-gradient(180deg,var(--grad-a),var(--grad-b));
}
.article-body h3{font-size:20px;font-weight:700;color:var(--brand-600);margin-top:30px;}
.article-body p{margin:0;}
.article-body a{color:var(--brand-600);font-weight:600;border-bottom:1px solid rgba(91,43,224,.28);}
.article-body a:hover{border-bottom-color:var(--brand-600);}
.article-body ul,.article-body ol{padding-left:24px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:8px 0;}
.article-body li::marker{color:var(--brand-600);}
.article-body img{border-radius:16px;margin:26px auto;}
.article-body blockquote{
  border-left:4px solid var(--brand-600);
  background:var(--surface-2);
  padding:18px 22px;border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--surface-2);color:var(--ink);font-weight:700;}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--brand-700);}

.tag-share{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:24px;padding:20px 24px;background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.tag-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.share-label{font-size:13px;color:var(--ink-3);}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:42px;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.share-btn:hover{border-color:var(--brand-600);color:var(--brand-600);transform:translateY(-2px);}
.copy-note{font-size:13px;color:var(--ok);font-weight:600;}

/* ===== sidebar ===== */
.side-wrap{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{background:var(--surface);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-1);}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-600);}
.toc a{
  display:block;padding:8px 10px;border-radius:10px;border-left:2px solid transparent;
  font-size:14px;color:var(--ink-2);line-height:1.6;
  transition:background .18s ease,color .18s ease,padding .18s ease,border-color .18s ease;
}
.toc a:hover{background:var(--surface-2);color:var(--brand-600);border-left-color:var(--brand-600);padding-left:14px;}
.toc-empty{font-size:13px;color:var(--ink-3);}
.entry-list li + li{margin-top:10px;}
.entry-list a{
  display:flex;align-items:center;gap:12px;font-size:14px;font-weight:600;color:var(--ink-2);
  padding:8px 10px;border-radius:12px;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.entry-list a:hover{background:var(--surface-2);color:var(--brand-600);transform:translateX(3px);}
.entry-list img{width:56px;height:42px;object-fit:cover;border-radius:10px;flex-shrink:0;}
.side-cta{
  border-radius:var(--r-lg);padding:24px;color:#fff;
  background:linear-gradient(135deg,var(--brand-700),var(--grad-a) 62%,var(--grad-b) 130%);
  box-shadow:var(--shadow-2);
}
.side-cta h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:10px;}
.side-cta p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.86);margin-bottom:18px;}

/* ===== empty state ===== */
.empty-state{
  background:var(--surface-2);border-radius:var(--r-lg);padding:64px 32px;text-align:center;
}
.empty-state i{font-size:44px;color:var(--brand-600);opacity:.7;}
.empty-state h2{font-size:22px;margin:18px 0 10px;}
.empty-state p{color:var(--ink-3);font-size:15px;margin-bottom:22px;}

/* ===== recommend ===== */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  background:var(--surface);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rec-thumb{overflow:hidden;aspect-ratio:4/3;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;margin-top:auto;display:flex;align-items:center;gap:6px;}

/* ===== back bar ===== */
.back-bar{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  margin-top:40px;padding-top:36px;border-top:1px solid var(--line);
}

/* ===== CTA block ===== */
.cta-block{
  display:grid;grid-template-columns:1.6fr 1fr;
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-3);
}
.cta-copy{
  background:linear-gradient(135deg,#4318B8 0%,#7A3BFF 58%,#00D2A8 132%);
  padding:52px;color:#fff;
  position:relative;
}
.cta-copy::after{
  content:"";position:absolute;inset:auto -40px -60px auto;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 66%);
}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;}
.cta-copy > p{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);max-width:44ch;}
.point-list{margin-top:26px;display:grid;gap:12px;position:relative;z-index:1;}
.point-list li{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:#fff;}
.point-list i{color:var(--accent-3);font-size:18px;}
.cta-form{background:var(--surface);padding:40px 36px;}
.cta-form h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.cta-form > p{font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.form-control,.form-select{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:15px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%237A7591'%3E%3Cpath d='M8 11 3 5h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px;}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(91,43,224,.14);
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--err);box-shadow:0 0 0 4px rgba(229,72,77,.12);}
.err-text{display:block;font-size:12px;color:var(--err);margin-top:6px;min-height:16px;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 18px;}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand-600);flex-shrink:0;}
.check-row span{font-size:13px;color:var(--ink-2);line-height:1.7;}
.form-ok{
  display:none;margin-bottom:16px;padding:12px 14px;border-radius:12px;
  background:#E9FBF5;border:1px solid rgba(18,184,134,.35);color:#0B7A5C;font-size:14px;font-weight:600;
}
.form-ok.show{display:block;}

/* ===== footer ===== */
.site-footer{background:#120C2B;color:#fff;margin-top:96px;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:44px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:38ch;}
.footer-contact{margin-top:20px;display:grid;gap:10px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6);}
.footer-contact i{color:var(--grad-b);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul li + li{margin-top:2px;}
.footer-col ul li a{
  display:inline-block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.66);
  transition:color .18s ease,transform .18s ease;
}
.footer-col ul li a:hover{color:var(--grad-b);transform:translateX(3px);}
.footer-qr{display:flex;gap:14px;align-items:flex-start;}
.qr-box{
  width:96px;height:96px;border-radius:16px;flex-shrink:0;
  background:rgba(255,255,255,.08);display:grid;place-items:center;
  font-size:34px;color:rgba(255,255,255,.5);
}
.footer-qr span{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:rgba(255,255,255,.55);font-size:13px;}
.footer-links a:hover{color:var(--grad-b);}

/* ===== responsive ===== */
@media (max-width:1199.98px){
  .mega-panel{width:700px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;box-shadow:var(--shadow-2);
    border-bottom:1px solid var(--line);
    padding:0 16px;max-height:0;overflow:hidden;
    transition:max-height .28s ease,padding .28s ease;
  }
  .site-header.open .nav-menu{max-height:640px;overflow-y:auto;padding:12px 16px 22px;}
  .nav-item{width:100%;justify-content:flex-start;padding:12px 14px;}
  .nav-item.active::after{left:14px;right:auto;width:34px;}
  .nav-more{width:100%;}
  .nav-more-btn{justify-content:space-between;}
  .mega-panel{
    position:static;width:auto;box-shadow:none;border:1px solid var(--line);
    grid-template-columns:1fr;gap:18px;padding:18px;display:none;
    opacity:1;visibility:visible;transform:none;
  }
  .nav-more:hover .mega-panel{display:none;}
  .nav-more.open .mega-panel{display:grid;}
  .article-layout{grid-template-columns:1fr;gap:32px;padding-top:40px;}
  .side-wrap{position:static;}
  .cta-block{grid-template-columns:1fr;}
  .cta-copy{padding:38px 30px;}
  .cta-form{padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .head-card{padding:26px 22px;border-radius:var(--r-lg);}
  .head-card h1{font-size:26px;margin:14px 0 16px;}
  .article-body{padding:24px 20px;font-size:16px;border-radius:var(--r-lg);}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .rec-grid{grid-template-columns:1fr;}
  .tag-share{flex-direction:column;align-items:flex-start;}
  .btn{min-height:48px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mega-cards{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand-600:#5B2BE0;
  --brand-700:#4318B8;
  --grad-a:#7A3BFF;
  --grad-b:#00D2A8;
  --accent-2:#FF8A3D;
  --accent-3:#FFD84D;
  --bg:#F6F4FF;
  --surface:#FFFFFF;
  --surface-2:#EFEBFF;
  --ink:#191233;
  --ink-2:#4A4468;
  --ink-3:#7A7591;
  --line:#E7E2F7;
  --ok:#12B886;
  --warn:#F59E0B;
  --err:#E5484D;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --container:1200px;
  --container-wide:1320px;
  --read:800px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(28,18,72,.06);
  --sh-2:0 10px 28px rgba(28,18,72,.10);
  --sh-3:0 20px 48px rgba(28,18,72,.16);
  --sec-y:96px;
  --bs-primary:#5B2BE0;
  --bs-primary-rgb:91,43,224;
  --bs-body-bg:#F6F4FF;
  --bs-body-color:#191233;
  --bs-border-color:#E7E2F7;
  --bs-border-radius:16px;
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:#5B2BE0;
  --bs-link-hover-color:#4318B8;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(122,59,255,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-wide{max-width:var(--container-wide);}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 顶部倒计时条 ---------- */
.countdown-bar{
  background:linear-gradient(120deg,var(--brand-700),var(--brand-600) 55%,#2E1B7A);
  color:#fff;
  padding:8px 0;
}
.countdown-inner{
  display:flex;align-items:center;gap:20px;justify-content:space-between;
}
.cd-label{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;white-space:nowrap;}
.cd-label i{color:var(--accent-3);}
.cd-units{display:flex;align-items:center;gap:8px;}
.cd-unit{
  min-width:56px;padding:4px 8px 6px;text-align:center;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-md);
}
.cd-unit b{display:block;font-size:21px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;}
.cd-unit span{display:block;font-size:11px;color:rgba(255,255,255,.75);line-height:1.4;}
.cd-link{
  display:inline-flex;align-items:center;gap:6px;
  color:#fff;font-size:14px;font-weight:600;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  white-space:nowrap;
}
.cd-link:hover{background:#fff;color:var(--brand-700);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  display:grid;place-items:center;
  font-size:20px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  border-radius:14px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-0.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.06em;}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  background:transparent;border:0;cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.nav-item:hover{color:var(--brand-600);background:var(--surface-2);}
.nav-item.active{color:var(--brand-600);}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:linear-gradient(90deg,var(--grad-a),var(--grad-b));
}
.nav-more{position:relative;}
.nav-more-btn i{font-size:12px;transition:transform .2s ease;}
.nav-more.open .nav-more-btn i{transform:rotate(180deg);}

.mega-panel{
  display:none;
  position:absolute;right:0;top:calc(100% + 14px);
  width:760px;padding:24px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-3);
  z-index:70;
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel,
.nav-more.open .mega-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;margin-bottom:12px;}
.mega-list li{margin-bottom:4px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.mega-list a:hover{background:var(--surface-2);color:var(--brand-600);transform:translateX(4px);}
.mega-idx{
  font-size:12px;font-weight:800;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.mega-cards{display:grid;gap:12px;align-content:start;}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;background:var(--surface);color:var(--ink);
  transition:box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);color:var(--ink);}
.mega-card img{width:100%;height:104px;object-fit:cover;}
.mega-card-body{padding:10px 12px 12px;}
.mega-card-body h4{font-size:14.5px;font-weight:700;margin-bottom:4px;}
.mega-card-body p{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:6px;}
.mega-foot{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.mega-foot a{font-weight:600;display:inline-flex;align-items:center;gap:6px;}

.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:19px;cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border-radius:var(--r-pill);border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-brand{
  color:#fff;
  background:linear-gradient(120deg,var(--grad-a),var(--brand-700));
  box-shadow:0 10px 24px rgba(91,43,224,.28);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(91,43,224,.34);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  color:#fff;background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.45);
}
.btn-ghost:hover{background:#fff;color:var(--brand-700);}
.btn-ghost-dark{
  color:var(--brand-600);background:#fff;border-color:var(--line);box-shadow:var(--sh-1);
}
.btn-ghost-dark:hover{color:var(--brand-700);border-color:var(--brand-600);transform:translateY(-2px);}
.btn-accent{
  color:#3B2200;background:linear-gradient(120deg,var(--accent-3),var(--accent-2));
  box-shadow:0 10px 24px rgba(255,138,61,.26);
}
.btn-accent:hover{color:#3B2200;transform:translateY(-2px);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.4vw,31px);font-weight:700;line-height:1.3;}
.section-head p{margin-top:10px;font-size:16px;color:var(--ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-600);
  background:var(--surface-2);padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:14px;letter-spacing:.04em;
}

/* ---------- 分类页 hero ---------- */
.cat-hero{padding:56px 0 8px;}
.cat-hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:48px 56px;
  color:#fff;
  background:linear-gradient(135deg,var(--grad-a),var(--brand-700) 58%,#241059);
  box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;
}
.cat-hero-card::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:340px;height:340px;
  background-image:radial-gradient(rgba(255,255,255,.55) 1.4px,transparent 1.4px);
  background-size:16px 16px;opacity:.10;pointer-events:none;
}
.cat-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.25;
  letter-spacing:-0.02em;
}
.cat-hero .lead{
  margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.88);max-width:560px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-badge{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-md);padding:10px 16px;
}
.hero-badge b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;}
.hero-badge span{font-size:12.5px;color:rgba(255,255,255,.82);line-height:1.4;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:270px;object-fit:cover;border-radius:var(--r-lg);
  border:3px solid rgba(255,255,255,.22);
}
.hero-float{
  position:absolute;right:-8px;bottom:-18px;
  background:#fff;color:var(--ink);
  border-radius:20px;padding:14px 18px;box-shadow:var(--sh-3);
  display:flex;align-items:center;gap:12px;
}
.hero-float b{font-size:24px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;}
.hero-float span{font-size:11.5px;color:var(--ink-3);line-height:1.35;display:block;}

/* ---------- 锚点 + 活动卡布局 ---------- */
.cat-layout{display:grid;grid-template-columns:246px 1fr;gap:36px;align-items:start;}
.cat-aside{position:sticky;top:104px;display:grid;gap:16px;}
.aside-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);
}
.aside-card h3{font-size:14px;font-weight:700;color:var(--ink-3);letter-spacing:.06em;margin-bottom:12px;}
.anchor-list li{margin-bottom:2px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.anchor-list a:hover{background:var(--surface-2);color:var(--brand-600);transform:translateX(4px);}
.anchor-list i{color:var(--brand-600);font-size:13px;}
.aside-cta{
  background:linear-gradient(140deg,var(--grad-a),var(--brand-700));
  color:#fff;border:0;
}
.aside-cta h3{color:rgba(255,255,255,.78);}
.aside-cta p{font-size:14px;color:rgba(255,255,255,.9);margin-bottom:14px;}
.aside-cta .btn-accent{width:100%;}
.mini-stats{display:grid;gap:12px;}
.mini-stat{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--ink-2);}
.mini-stat b{font-size:18px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;}

.act-group{margin-bottom:44px;scroll-margin-top:104px;}
.act-group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;flex-wrap:wrap;}
.act-group-head h3{font-size:20px;font-weight:700;}
.act-group-head span{font-size:13.5px;color:var(--ink-3);}
.act-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.act-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.act-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D0FA;}
.act-thumb{position:relative;display:block;}
.act-thumb img{width:100%;height:196px;object-fit:cover;transition:transform .3s ease;}
.act-card:hover .act-thumb img{transform:scale(1.04);}
.tag{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;color:#fff;
  background:rgba(25,18,51,.62);backdrop-filter:blur(6px);
}
.tag-live{background:linear-gradient(120deg,var(--grad-b),#0A9E82);}
.tag-soon{background:linear-gradient(120deg,var(--accent-2),#E4631A);}
.tag-season{background:linear-gradient(120deg,var(--grad-a),var(--brand-700));}
.act-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.act-body h4{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.act-body h4 a{color:var(--ink);}
.act-body h4 a:hover{color:var(--brand-600);}
.act-body p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.act-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;
  margin:16px 0 14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.act-meta span{display:inline-flex;align-items:center;gap:6px;}
.act-meta i{color:var(--brand-600);}
.act-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--brand-600);
}
.act-link:hover{gap:12px;}

/* ---------- 流程 ---------- */
.flow-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-item{
  background:var(--surface-2);border-radius:var(--r-lg);padding:24px 22px;
  border:1px solid #E2DBFB;
}
.flow-num{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--ink-2);}

/* ---------- 参与须知 ---------- */
.notice-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.notice-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
}
.notice-card h3{font-size:18px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.notice-card h3 i{color:var(--brand-600);}
.notice-list li{
  position:relative;padding-left:22px;margin-bottom:12px;
  font-size:14.5px;color:var(--ink-2);line-height:1.8;
}
.notice-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
}
.notice-list li:last-child{margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start;}
.faq-side{position:sticky;top:104px;}
.faq-side h2{font-size:26px;font-weight:700;margin-bottom:12px;}
.faq-side p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}
.faq-side .side-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--brand-600);
}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--r-md)!important;
  overflow:hidden;margin-bottom:12px;background:var(--surface);
  box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16.5px;font-weight:600;color:var(--ink);
  background:var(--surface);padding:20px 22px;box-shadow:none!important;
  border-radius:var(--r-md)!important;
}
.accordion-button:not(.collapsed){
  color:var(--brand-600);
  background:var(--surface);
  box-shadow:inset 4px 0 0 0 var(--brand-600)!important;
}
.accordion-button::after{
  background-image:none;
  content:"\F282";
  font-family:"bootstrap-icons";
  font-size:15px;
  transition:transform .22s ease;
  width:auto;height:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:4px 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-card{
  display:grid;grid-template-columns:1.35fr 1fr;gap:0;
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);
  background:linear-gradient(140deg,var(--grad-a),var(--brand-700) 60%,#241059);
  color:#fff;
}
.cta-left{padding:52px 48px;}
.cta-left h2{color:#fff;font-size:clamp(24px,2.4vw,30px);font-weight:700;line-height:1.35;}
.cta-left p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.86);}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.94);}
.cta-points i{color:var(--accent-3);font-size:16px;}
.cta-right{background:#fff;padding:36px 34px;color:var(--ink);}
.cta-right h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.cta-right .hint{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.form-control,.form-select{
  height:48px;font-size:15px;color:var(--ink);
  border:1px solid var(--line);border-radius:12px;
  background:#FCFBFF;
}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(91,43,224,.16);background:#fff;
}
.form-check-input{width:18px;height:18px;margin-top:3px;border-color:var(--line);}
.form-check-input:checked{background-color:var(--brand-600);border-color:var(--brand-600);}
.form-check-label{font-size:13.5px;color:var(--ink-2);}
.cta-right .btn-brand{width:100%;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--ink-3);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#120C2B;color:rgba(255,255,255,.72);
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--grad-a),var(--grad-b));}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:18px 0 18px;max-width:340px;}
.footer-contact li{
  display:flex;align-items:center;gap:10px;font-size:13.5px;
  color:rgba(255,255,255,.6);margin-bottom:10px;
}
.footer-contact i{color:var(--grad-b);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.68);
  transition:color .18s ease,transform .18s ease;display:inline-block;
}
.footer-col a:hover{color:#00D2A8;transform:translateX(4px);}
.footer-qr{display:flex;gap:14px;align-items:flex-start;}
.qr-box{
  width:96px;height:96px;flex:0 0 96px;border-radius:var(--r-md);
  background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.24);
  display:grid;place-items:center;font-size:32px;color:rgba(255,255,255,.5);
}
.footer-qr span{font-size:13px;line-height:1.75;color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px;}
.footer-links a{font-size:13px;color:rgba(255,255,255,.58);}
.footer-links a:hover{color:#00D2A8;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec-y:80px;}
  .cat-layout{grid-template-columns:216px 1fr;gap:28px;}
  .mega-panel{width:680px;}
}
@media (max-width:991.98px){
  :root{--sec-y:72px;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;left:0;right:0;top:0;bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 20px 32px;overflow-y:auto;
    transform:translateX(100%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
    margin-left:0;z-index:55;
  }
  .site-header.nav-open .nav-menu{transform:translateX(0);}
  .nav-item{width:100%;justify-content:flex-start;padding:14px 16px;font-size:16px;}
  .nav-item.active::after{left:16px;right:auto;width:26px;bottom:6px;}
  .nav-more{width:100%;}
  .mega-panel{
    position:static;width:100%;margin-top:8px;box-shadow:none;
    border:1px solid var(--line);border-radius:var(--r-md);padding:16px;
  }
  .nav-more:hover .mega-panel,
  .nav-more:focus-within .mega-panel{display:none;}
  .nav-more.open .mega-panel{display:grid;grid-template-columns:1fr;gap:16px;}
  .header-actions .btn-brand{display:none;}
  .cat-hero-card{grid-template-columns:1fr;padding:36px 30px;}
  .hero-visual img{height:220px;}
  .cat-layout{grid-template-columns:1fr;}
  .cat-aside{position:static;grid-template-columns:1fr 1fr;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .notice-wrap{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .faq-side{position:static;}
  .cta-card{grid-template-columns:1fr;}
  .cta-left{padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .countdown-inner{flex-wrap:wrap;justify-content:center;gap:12px;}
}
@media (max-width:767.98px){
  :root{--sec-y:56px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .act-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .cat-aside{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cd-unit{min-width:48px;}
  .cd-unit b{font-size:18px;}
  .hero-badges{gap:10px;}
  .hero-float{position:static;margin-top:12px;right:auto;bottom:auto;}
}
@media (max-width:575.98px){
  .cat-hero-card{padding:28px 20px;border-radius:var(--r-lg);}
  .cta-left{padding:32px 22px;}
  .cta-right{padding:28px 22px;}
  .act-thumb img{height:172px;}
  .countdown-bar .cd-label span.long{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .act-card:hover,.btn-brand:hover,.btn-ghost:hover,.btn-accent:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand-600:#5B2BE0;
  --brand-700:#4318B8;
  --grad-a:#7A3BFF;
  --grad-b:#00D2A8;
  --grad:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  --accent-2:#FF8A3D;
  --accent-3:#FFD84D;
  --bg:#F6F4FF;
  --surface:#FFFFFF;
  --surface-2:#EFEBFF;
  --ink:#191233;
  --ink-2:#4A4468;
  --ink-3:#7A7591;
  --line:#E7E2F7;
  --success:#12B886;
  --warning:#F59E0B;
  --danger:#E5484D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(28,18,72,.06);
  --sh-2:0 10px 28px rgba(28,18,72,.10);
  --sh-3:0 20px 48px rgba(28,18,72,.16);
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-body-bg:var(--bg);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-md);
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:var(--brand-600);
  --bs-link-hover-color:var(--brand-700);
  --bs-primary:var(--brand-600);
  --bs-primary-rgb:91,43,224;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(122,59,255,.45);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-600);
  background:var(--surface-2);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  font-size:15.5px;font-weight:600;
  border-radius:var(--r-md);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14.5px;border-radius:12px;}
.btn-brand{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(91,43,224,.26);
}
.btn-brand:hover,.btn-brand:focus-visible{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(91,43,224,.32);}
.btn-brand:active{transform:translateY(0);background:linear-gradient(135deg,var(--brand-700),#00b892);}
.btn-ghost{
  background:#fff;
  color:var(--brand-600);
  border-color:var(--line);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover,.btn-ghost:focus-visible{
  color:var(--brand-700);border-color:rgba(122,59,255,.45);background:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);
}
.btn-accent{
  background:var(--accent-2);color:#fff;box-shadow:0 10px 24px rgba(255,138,61,.28);
}
.btn-accent:hover,.btn-accent:focus-visible{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,138,61,.34);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  font-size:13px;font-weight:600;
  border-radius:var(--r-pill);
  background:var(--surface-2);
  color:var(--brand-600);
  white-space:nowrap;
}
.chip-gold{background:rgba(255,216,77,.22);color:#8a6b00;box-shadow:inset 0 0 0 1px rgba(255,216,77,.85);}
.chip-mint{background:rgba(0,210,168,.14);color:#04795f;}
.chip-orange{background:rgba(255,138,61,.14);color:#c25915;}
.chip-plain{background:#fff;color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line);}

.stat-badge{
  display:flex;flex-direction:column;gap:4px;
  background:#fff;
  border-radius:20px;
  padding:18px 20px;
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
  min-width:150px;
}
.stat-badge::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
}
.stat-badge strong{
  font-size:26px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
}
.stat-badge strong small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:3px;}
.stat-badge span{font-size:12.5px;color:var(--ink-3);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,transform .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;align-items:center;gap:12px;
  color:var(--ink);flex-shrink:0;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;height:42px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--grad);
  color:#fff;font-size:20px;font-weight:800;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(91,43,224,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16.5px;font-weight:800;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.06em;}

.nav-menu{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 14px;
  font-size:15px;font-weight:500;
  color:var(--ink-2);
  border:none;background:transparent;
  border-radius:var(--r-pill);
  white-space:nowrap;cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.nav-item:hover{color:var(--brand-600);background:var(--surface-2);}
.nav-item.active{color:var(--brand-600);font-weight:700;}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{margin-left:8px;flex-shrink:0;}

.nav-more{position:relative;}
.nav-more-btn i{font-size:12px;transition:transform .2s ease;}
.nav-more.open .nav-more-btn i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;
  width:780px;
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:24px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:22px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s cubic-bezier(.2,.7,.3,1),transform .18s cubic-bezier(.2,.7,.3,1),visibility .18s;
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel,
.nav-more.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:13px;font-weight:700;color:var(--ink-3);
  letter-spacing:.08em;margin-bottom:14px;
}
.mega-list li + li{margin-top:4px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:15px;color:var(--ink-2);font-weight:500;
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.mega-list a:hover{background:var(--surface-2);color:var(--brand-600);transform:translateX(4px);}
.mega-idx{
  font-size:12.5px;font-weight:700;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:grid;grid-template-columns:120px minmax(0,1fr);
  gap:14px;align-items:center;
  padding:10px;border-radius:var(--r-md);
  background:var(--bg);
  transition:transform .18s ease,box-shadow .18s ease;
}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.mega-card img{width:120px;aspect-ratio:16/9;object-fit:cover;border-radius:12px;}
.mega-card-body h4{font-size:15.5px;font-weight:600;line-height:1.45;color:var(--ink);}
.mega-card-body p{margin-top:4px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:6px;}
.mega-foot{
  grid-column:1 / -1;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-3);
}
.mega-foot a{font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ============ Hero ============ */
.page-hero{
  padding:72px 0 56px;
  background:
    radial-gradient(900px 340px at 88% -10%,rgba(0,210,168,.16),transparent 62%),
    radial-gradient(760px 320px at 4% 0%,rgba(122,59,255,.14),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.breadcrumb-line{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.breadcrumb-line a{color:var(--ink-3);}
.breadcrumb-line a:hover{color:var(--brand-600);}
.breadcrumb-line .sep{color:#c9c2e4;}
.breadcrumb-line .current{color:var(--brand-600);font-weight:600;}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(28px,4vw,46px);
  font-weight:800;line-height:1.25;letter-spacing:-.02em;
}
.page-hero .lead{
  margin-top:18px;
  max-width:720px;
  font-size:17px;color:var(--ink-2);
}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;
}

/* ============ 时间线 ============ */
.timeline{
  border-top:1px solid var(--line);
}
.tl-row{
  display:grid;
  grid-template-columns:120px minmax(0,1fr);
  gap:26px;
  padding:28px 4px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.tl-row:hover{
  background:linear-gradient(90deg,rgba(122,59,255,.06),rgba(122,59,255,0) 62%);
}
.tl-date{
  display:flex;flex-direction:column;gap:6px;
  padding-top:2px;
}
.tl-day{
  font-size:30px;font-weight:800;line-height:1;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.tl-ym{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.tl-body{min-width:0;}
.tl-body.has-thumb{
  display:grid;
  grid-template-columns:minmax(0,1fr) 84px;
  gap:20px;
  align-items:start;
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;}
.tl-body h3{
  font-size:18px;font-weight:600;line-height:1.5;
}
.tl-body p{
  margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2);
}
.tl-meta{
  margin-top:12px;
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.tl-thumb{
  width:84px;height:84px;object-fit:cover;border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
  background:var(--surface-2);
}

/* ============ 统计条 ============ */
.statbar{
  background:var(--surface);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:32px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.statbar .stat-badge{background:var(--surface-2);box-shadow:none;}
.statbar .stat-badge::before{width:3px;}

/* ============ 返回入口条 ============ */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:#fff;border-radius:var(--r-lg);
  padding:22px 26px;
  box-shadow:var(--sh-1);
}
.back-bar p{font-size:15px;color:var(--ink-2);}
.back-bar .back-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,320px) minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.faq-aside p{margin-top:14px;color:var(--ink-2);font-size:15.5px;}
.faq-aside .aside-card{
  margin-top:24px;background:#fff;border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.faq-aside .aside-card h3{font-size:15.5px;font-weight:600;}
.faq-aside .aside-card p{margin-top:8px;font-size:14px;color:var(--ink-3);}
.faq-aside .aside-card a{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-weight:600;font-size:14.5px;}

.accordion-item{
  border:none;background:#fff;border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.accordion-item + .accordion-item{margin-top:12px;}
.accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.accordion-item{position:relative;}
.accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.accordion-button{
  font-size:16.5px;font-weight:600;color:var(--ink);
  padding:20px 24px;background:#fff;box-shadow:none!important;
  border-radius:var(--r-md);
}
.accordion-button:not(.collapsed){color:var(--brand-600);background:#fff;}
.accordion-button::after{
  background-image:none;
  content:"\F282";
  font-family:"bootstrap-icons";
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  background:var(--surface-2);color:var(--brand-600);
  font-size:14px;
  transform:rotate(0deg);
  transition:transform .22s ease;
  margin-left:16px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:4px 24px 22px;
  font-size:15.5px;line-height:1.85;color:var(--ink-2);
}

/* ============ CTA 大卡 ============ */
.cta-card{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
  gap:32px;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-3);
  background:linear-gradient(135deg,var(--brand-700),var(--brand-600) 55%,#00b892);
  color:#fff;
}
.cta-card::after{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.18;mix-blend-mode:overlay;
  pointer-events:none;
}
.cta-left{
  position:relative;z-index:2;
  padding:56px 48px;
}
.cta-left h2{color:#fff;font-size:clamp(23px,2.6vw,32px);font-weight:800;line-height:1.3;}
.cta-left > p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.9);}
.cta-list{margin-top:26px;display:grid;gap:12px;}
.cta-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15.5px;color:rgba(255,255,255,.95);
}
.cta-list i{color:var(--accent-3);font-size:17px;line-height:1.5;}
.cta-right{
  position:relative;z-index:2;
  padding:56px 48px 56px 0;
  display:flex;align-items:center;
}
.cta-panel{
  background:#fff;border-radius:var(--r-lg);
  padding:28px;width:100%;
  box-shadow:var(--sh-3);
  color:var(--ink);
}
.cta-panel h3{font-size:17.5px;font-weight:700;}
.cta-panel p{margin-top:10px;font-size:14.5px;color:var(--ink-2);}
.cta-panel .panel-list{margin-top:18px;display:grid;gap:10px;}
.cta-panel .panel-list li{
  display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-2);
}
.cta-panel .panel-list i{color:var(--brand-600);}
.cta-panel .btn{width:100%;margin-top:22px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#120C2B;color:#fff;
  padding:72px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:rgba(255,255,255,.55);}
.footer-brand > p{
  margin-top:18px;font-size:14.5px;line-height:1.8;
  color:rgba(255,255,255,.68);max-width:340px;
}
.footer-contact{margin-top:20px;display:grid;gap:10px;}
.footer-contact li{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.62);
}
.footer-contact i{color:#00D2A8;}
.footer-col h4{
  color:#fff;font-size:15.5px;font-weight:700;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  color:rgba(255,255,255,.68);font-size:14.5px;
  display:inline-flex;align-items:center;gap:6px;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:#00D2A8;transform:translateX(4px);}
.footer-qr{display:flex;gap:14px;align-items:flex-start;}
.qr-box{
  width:96px;height:96px;flex-shrink:0;
  border-radius:14px;
  background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;
  font-size:34px;color:rgba(255,255,255,.5);
}
.footer-qr span{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.75;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0 32px;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:rgba(255,255,255,.62);}
.footer-links a:hover{color:#00D2A8;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding-left:20px;padding-right:20px;}
  .mega-panel{width:640px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .header-inner{flex-wrap:wrap;gap:12px;padding:10px 0;}
  .nav-menu{
    order:3;width:100%;margin-left:0;
    overflow-x:auto;padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .nav-menu::-webkit-scrollbar{display:none;}
  .header-actions{margin-left:auto;}
  .mega-panel{
    position:static;width:100%;
    display:none;
    grid-template-columns:1fr;
    margin-top:10px;
    box-shadow:var(--sh-1);
    padding:18px;
    opacity:1;visibility:visible;transform:none;
  }
  .nav-more:hover .mega-panel{display:none;}
  .nav-more.open .mega-panel{display:grid;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-card{grid-template-columns:1fr;}
  .cta-left{padding:40px 28px 24px;}
  .cta-right{padding:0 28px 40px;}
  .statbar{grid-template-columns:repeat(2,minmax(0,1fr));padding:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-hero{padding:48px 0 40px;}
  .page-hero .lead{font-size:16px;}
  .hero-badges{gap:12px;}
  .stat-badge{min-width:0;padding:14px 16px;}
  .stat-badge strong{font-size:22px;}
  .tl-row{grid-template-columns:1fr;gap:14px;padding:22px 2px;}
  .tl-date{flex-direction:row;align-items:baseline;gap:10px;}
  .tl-day{font-size:24px;}
  .tl-body.has-thumb{grid-template-columns:minmax(0,1fr);}
  .tl-thumb{width:100%;height:150px;order:2;}
  .timeline-list .tl-body h3{font-size:17px;}
  .statbar{grid-template-columns:1fr;gap:14px;}
  .back-bar{flex-direction:column;align-items:flex-start;padding:20px;}
  .back-bar .back-actions{width:100%;}
  .back-bar .back-actions .btn{flex:1 1 auto;}
  .cta-panel{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mega-card{grid-template-columns:96px minmax(0,1fr);}
  .mega-card img{width:96px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-text strong{font-size:15px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:18px;}
  .header-actions .btn{min-height:38px;padding:0 14px;font-size:14px;}
  .accordion-button{padding:16px 18px;font-size:15.5px;}
  .accordion-body{padding:2px 18px 18px;}
  .eyebrow{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .btn:hover,.mega-card:hover,.footer-col a:hover{transform:none!important;}
}

/* roulang page: category2 */
:root{
  --brand-600:#5B2BE0;
  --brand-700:#4318B8;
  --grad-a:#7A3BFF;
  --grad-b:#00D2A8;
  --grad:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  --accent-2:#FF8A3D;
  --accent-3:#FFD84D;
  --bg:#F6F4FF;
  --surface:#FFFFFF;
  --surface-2:#EFEBFF;
  --ink:#191233;
  --ink-2:#4A4468;
  --ink-3:#7A7591;
  --line:#E7E2F7;
  --success:#12B886;
  --warn:#F59E0B;
  --danger:#E5484D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(28,18,72,.06);
  --sh-2:0 10px 28px rgba(28,18,72,.10);
  --sh-3:0 20px 48px rgba(28,18,72,.16);
  --container:1200px;
  --read:800px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-primary:var(--brand-600);
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:var(--brand-600);
  --bs-link-hover-color:var(--brand-700);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(122,59,255,.42);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2);background:#fff}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:none;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:20px;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(90,43,224,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  background:transparent;border:0;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-item:hover,.nav-item:focus-visible{background:var(--surface-2);color:var(--brand-700)}
.nav-item.active{color:var(--brand-600);background:var(--surface-2)}
.nav-item.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:var(--r-pill);background:var(--grad);
}
.nav-more{position:relative}
.nav-more-btn i{font-size:12px;transition:transform .2s ease}
.nav-more.open .nav-more-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:min(860px,calc(100vw - 48px));
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:24px;
  display:grid;grid-template-columns:1fr 1.15fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s cubic-bezier(.2,.7,.3,1),transform .18s cubic-bezier(.2,.7,.3,1),visibility .18s;
  z-index:60;
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel,
.nav-more.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-3);margin-bottom:14px}
.mega-list{display:grid;gap:6px}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-md);
  color:var(--ink-2);font-size:14.5px;font-weight:600;
  transition:transform .18s ease,color .18s ease,background .18s ease;
}
.mega-list a:hover{color:var(--brand-600);background:var(--surface-2);transform:translateX(4px)}
.mega-idx{
  font-size:12px;font-weight:800;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.mega-cards{display:grid;gap:14px}
.mega-card{
  display:grid;grid-template-columns:104px 1fr;gap:12px;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  color:var(--ink);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.mega-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D9D1F5;color:var(--ink)}
.mega-card img{width:104px;height:76px;object-fit:cover}
.mega-card-body{padding:10px 12px 10px 0}
.mega-card-body h4{font-size:14.5px;font-weight:700;line-height:1.45;margin-bottom:4px}
.mega-card-body p{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.mega-foot{
  grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--ink-3);flex-wrap:wrap;
}
.mega-foot a{font-weight:700;display:inline-flex;align-items:center;gap:6px}
.header-cta{
  flex:none;display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 10px 22px rgba(90,43,224,.24);
  transition:transform .2s ease,box-shadow .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(90,43,224,.3)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-tint{background:linear-gradient(180deg,#FBFAFF 0%,var(--bg) 100%)}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{
  font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.32;letter-spacing:-.02em;
  margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--brand-600);
  background:var(--surface-2);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;
}

/* ============ Hero ============ */
.page-hero{padding:28px 0 0}
.hero-banner{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  padding:60px 56px;
  background:
    linear-gradient(135deg,rgba(67,24,184,.95) 0%,rgba(91,43,224,.88) 46%,rgba(0,210,168,.74) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;box-shadow:var(--sh-2);
}
.hero-banner::after{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--grad-a),var(--grad-b) 55%,var(--accent-3));
}
.hero-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:20px 20px;opacity:.3;
}
.hero-copy{position:relative;z-index:2;max-width:800px}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.9)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .current{color:#fff;font-weight:600}
.hero-banner h1{
  font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.24;letter-spacing:-.02em;
  color:#fff;margin-bottom:18px;
}
.hero-sub{
  font-size:17px;font-weight:500;line-height:1.8;color:rgba(255,255,255,.92);
  max-width:620px;margin-bottom:30px;
}
.hero-badges{display:flex;gap:14px;flex-wrap:wrap}
.badge-card{
  background:#fff;color:var(--ink);border-radius:20px;padding:14px 22px;
  box-shadow:var(--sh-2);min-width:158px;display:flex;flex-direction:column;gap:2px;
}
.badge-card strong{
  font-size:26px;font-weight:800;line-height:1.15;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.badge-card span{font-size:12px;color:var(--ink-3);line-height:1.5}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--sh-1);margin-bottom:36px;
}
.filter-label{font-size:13px;font-weight:700;color:var(--ink-3);margin-right:6px}
.filter-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink-2);background:var(--surface-2);
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.filter-pill:hover{color:var(--brand-700);transform:translateY(-2px)}
.filter-pill.active{
  background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(90,43,224,.24);
}
.filter-pill.active:hover{color:#fff}

/* ============ 规则卡片 ============ */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.rule-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD4F7}
.rule-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--surface-2)}
.rule-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rule-card:hover .rule-thumb img{transform:scale(1.04)}
.rule-tag{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.95);color:var(--brand-600);
  font-size:12px;font-weight:800;padding:5px 13px;border-radius:var(--r-pill);
  border:1px solid rgba(122,59,255,.22);
}
.rule-body{padding:22px;display:flex;flex-direction:column;flex:1}
.rule-body h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px}
.rule-body p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:18px}
.rule-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;flex-wrap:wrap;
}
.rule-time{color:var(--ink-3);font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px}
.rule-foot a{font-weight:700;display:inline-flex;align-items:center;gap:6px}
.rule-foot a i{transition:transform .2s ease}
.rule-foot a:hover i{transform:translateX(3px)}

/* ============ 核对清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.check-card h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:12px;margin-bottom:20px}
.check-card h3 i{
  width:40px;height:40px;border-radius:13px;flex:none;
  background:var(--grad);color:#fff;display:grid;place-items:center;font-size:19px;
}
.check-card.attention h3 i{background:linear-gradient(135deg,var(--accent-2),var(--accent-3));color:#4A2500}
.check-list li{
  position:relative;padding-left:22px;margin-bottom:13px;
  font-size:15px;color:var(--ink-2);line-height:1.8;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-600);
}
.check-card.attention .check-list li::before{background:var(--accent-2)}
.check-list li strong{color:var(--ink);font-weight:700}

/* ============ 数据徽章统计条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:linear-gradient(135deg,rgba(122,59,255,.07),rgba(0,210,168,.09));
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:38px 20px;box-shadow:var(--sh-1);
}
.stat-item{text-align:center;padding:0 18px;border-right:1px dashed #D8D0F2}
.stat-item:last-child{border-right:0}
.stat-item strong{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.stat-item span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.6fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:112px}
.faq-aside h2{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.32;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--ink-2);margin-bottom:22px}
.faq-aside .aside-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;
  padding:12px 20px;border-radius:var(--r-pill);background:var(--surface-2);color:var(--brand-700);
  transition:background .2s ease,transform .2s ease;
}
.faq-aside .aside-link:hover{background:#E4DEFB;transform:translateY(-2px)}
.faq-accordion{display:grid;gap:12px}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(122,59,255,.30);
  background:linear-gradient(90deg,rgba(122,59,255,.14) 0 4px,var(--surface) 4px);
}
.faq-accordion .accordion-button{
  position:relative;background:transparent;box-shadow:none;
  font-size:16.5px;font-weight:600;color:var(--ink);
  padding:20px 56px 20px 24px;line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-600);background:rgba(122,59,255,.05)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;right:26px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--brand-600);border-bottom:2px solid var(--brand-600);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{transform:translateY(-30%) rotate(-135deg)}
.faq-accordion .accordion-body{
  padding:4px 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ============ CTA ============ */
.cta-card{
  display:grid;grid-template-columns:1.35fr 1fr;
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--surface);
}
.cta-left{
  background:
    linear-gradient(150deg,rgba(67,24,184,.96),rgba(91,43,224,.9) 52%,rgba(0,168,134,.86)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color:#fff;padding:56px 48px;
  display:flex;flex-direction:column;justify-content:center;
}
.cta-left h2{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.32;color:#fff;margin-bottom:14px}
.cta-left p{font-size:15px;color:rgba(255,255,255,.88);margin-bottom:26px;font-weight:500}
.cta-points{display:grid;gap:13px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:rgba(255,255,255,.96)}
.cta-points i{color:var(--accent-3);font-size:18px}
.cta-form{padding:48px 42px}
.cta-form h3{font-size:19px;font-weight:700;margin-bottom:6px}
.cta-form .form-note{font-size:13px;color:var(--ink-3);margin-bottom:24px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.form-row label .req{color:var(--danger)}
.form-control,.form-select{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;
  box-shadow:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.form-select{padding-right:34px}
.form-control::placeholder{color:#A9A3BE}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(122,59,255,.18);
  outline:none;
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.14)}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-bottom:20px}
.check-line input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand-600);flex:none}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:52px;border:0;border-radius:var(--r-pill);cursor:pointer;
  background:var(--grad);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 12px 26px rgba(90,43,224,.26);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(90,43,224,.32)}
.btn-brand:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:15px;font-weight:700;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1)}
.form-alert{
  margin-top:16px;border-radius:var(--r-md);padding:13px 16px;font-size:14px;
  display:flex;align-items:flex-start;gap:10px;line-height:1.7;
}
.form-alert.success{background:rgba(18,184,134,.12);color:#0B7A5A;border:1px solid rgba(18,184,134,.3)}
.form-alert.error{background:rgba(229,72,77,.1);color:#B02A2E;border:1px solid rgba(229,72,77,.28)}
.form-alert[hidden]{display:none}

/* ============ 页脚 ============ */
.site-footer{background:#120C2B;color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:18px 0 20px}
.footer-contact{display:grid;gap:11px;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-contact i{color:var(--grad-b);margin-right:8px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--grad-b);transform:translateX(4px)}
.footer-qr{display:flex;gap:14px;align-items:flex-start}
.qr-box{
  width:96px;height:96px;flex:none;border-radius:16px;
  background:rgba(255,255,255,.08);display:grid;place-items:center;
  font-size:36px;color:rgba(255,255,255,.72);
}
.footer-qr span{font-size:13px;line-height:1.75;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.6);font-size:13px}
.footer-links a:hover{color:var(--grad-b)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cta-left{padding:48px 38px}
  .cta-form{padding:44px 34px}
}
@media (max-width:991.98px){
  html{scroll-padding-top:150px}
  .header-inner{flex-wrap:wrap;padding:12px 0;min-height:64px;gap:12px}
  .nav-menu{width:100%;order:3;margin-left:0;flex-wrap:wrap;gap:4px;padding-bottom:4px}
  .nav-item{padding:8px 12px;font-size:14px}
  .nav-more{position:static}
  .nav-more .mega-panel{display:none}
  .nav-more.open .mega-panel{
    display:grid;position:static;width:100%;margin-top:12px;
    opacity:1;visibility:visible;transform:none;
    grid-template-columns:1fr;box-shadow:var(--sh-2);
  }
  .header-cta{height:40px;padding:0 16px;font-size:14px}
  .section{padding:72px 0}
  .hero-banner{padding:44px 34px}
  .rule-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .cta-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .stat-item:nth-child(2n){border-right:0}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero-banner{padding:34px 22px;border-radius:24px}
  .hero-sub{font-size:15.5px}
  .badge-card{padding:12px 18px;min-width:140px}
  .badge-card strong{font-size:22px}
  .rule-grid{grid-template-columns:1fr}
  .filter-bar{padding:14px}
  .filter-label{width:100%;margin:0 0 4px}
  .filter-pill{padding:8px 15px;font-size:13.5px}
  .check-card{padding:24px}
  .stat-bar{grid-template-columns:1fr;gap:22px;padding:30px 18px}
  .stat-item{border-right:0}
  .stat-item + .stat-item{border-top:1px dashed #D8D0F2;padding-top:20px}
  .cta-left,.cta-form{padding:32px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .brand-text strong{font-size:15px}
  .header-cta{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* roulang page: category4 */
:root{
  --brand-600:#5B2BE0;
  --brand-700:#4318B8;
  --grad-a:#7A3BFF;
  --grad-b:#00D2A8;
  --accent-2:#FF8A3D;
  --accent-3:#FFD84D;
  --bg:#F6F4FF;
  --surface:#FFFFFF;
  --surface-2:#EFEBFF;
  --ink:#191233;
  --ink-2:#4A4468;
  --ink-3:#7A7591;
  --line:#E7E2F7;
  --ok:#12B886;
  --warn:#F59E0B;
  --err:#E5484D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(28,18,72,.06);
  --sh-2:0 10px 28px rgba(28,18,72,.10);
  --sh-3:0 20px 48px rgba(28,18,72,.16);
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-primary:#5B2BE0;
  --bs-body-bg:#F6F4FF;
  --bs-body-color:#191233;
  --bs-border-color:#E7E2F7;
  --bs-border-radius:16px;
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:#5B2BE0;
  --bs-link-hover-color:#4318B8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease,transform .18s ease}
a:hover{color:var(--brand-700)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(91,43,224,.38);outline-offset:2px;border-radius:8px}
.container{
  width:100%;
  max-width:1200px !important;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.numeric{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  color:#fff;font-weight:800;font-size:19px;
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(91,43,224,.28);
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text strong{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.08em}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-pill);
  border:0;background:none;cursor:pointer;
  color:var(--ink-2);font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-item i{font-size:12px}
.nav-item:hover{color:var(--brand-600);background:var(--surface-2)}
.nav-item.active{color:var(--brand-600)}
.nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;
  border-radius:3px;background:linear-gradient(90deg,var(--grad-a),var(--grad-b));
}
.nav-more{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:780px;padding:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s cubic-bezier(.2,.7,.3,1),transform .18s cubic-bezier(.2,.7,.3,1),visibility .18s;
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel,
.nav-more.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;margin-bottom:12px}
.mega-list li+li{margin-top:4px}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);
  color:var(--ink-2);font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.mega-list a:hover{background:var(--surface-2);color:var(--brand-600);transform:translateX(4px)}
.mega-idx{
  font-size:12px;font-weight:800;color:var(--brand-600);
  background:var(--surface-2);border-radius:8px;padding:2px 7px;
}
.mega-cards{display:flex;flex-direction:column;gap:14px}
.mega-card{
  display:flex;gap:12px;align-items:center;
  padding:10px;border:1px solid var(--line);border-radius:var(--r-md);
  color:var(--ink);background:#fff;transition:box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);color:var(--ink)}
.mega-card img{width:96px;height:64px;object-fit:cover;border-radius:12px;flex:none}
.mega-card-body h4{font-size:14.5px;font-weight:700;margin-bottom:2px}
.mega-card-body p{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.mega-foot{
  grid-column:1 / -1;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.mega-foot a{font-weight:700;display:inline-flex;align-items:center;gap:6px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:20px;cursor:pointer;
  margin-left:auto;
}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:700;border:0;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-brand{
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  color:#fff;box-shadow:0 10px 22px rgba(91,43,224,.28);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(91,43,224,.34)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;color:var(--brand-600);
  border:1.5px solid rgba(91,43,224,.35);
}
.btn-ghost:hover{background:var(--surface-2);color:var(--brand-700);transform:translateY(-2px)}
.btn-accent{background:var(--accent-2);color:#fff;box-shadow:0 10px 22px rgba(255,138,61,.3)}
.btn-accent:hover{color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ---------- Hero 图墙 ---------- */
.hero-shell{max-width:1320px;margin:0 auto;padding:24px 24px 0}
.hero-wall{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  min-height:430px;
  display:flex;align-items:flex-end;
  box-shadow:var(--sh-2);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(25,18,51,.30) 0%,rgba(25,18,51,.58) 46%,rgba(25,18,51,.90) 100%);
}
.hero-inner{position:relative;padding:52px 44px 46px;color:#fff;max-width:840px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.hero-inner h1{
  font-size:clamp(29px,4.2vw,48px);font-weight:800;line-height:1.24;
  margin:18px 0 14px;letter-spacing:-.02em;
}
.hero-inner p{font-size:17px;color:rgba(255,255,255,.88);max-width:620px}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.badge-stat{
  display:flex;align-items:center;gap:10px;
  padding:9px 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;backdrop-filter:blur(6px);
}
.badge-stat b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.badge-stat span{font-size:12.5px;color:rgba(255,255,255,.85)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-soft{background:var(--surface-2)}
.section-head{max-width:780px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--brand-600);
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,31px);font-weight:700;line-height:1.32}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:16px}

/* ---------- 下载图墙 + 侧栏 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:28px;
  align-items:start;
}
.wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.device-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.device-card.wide{grid-column:1 / -1}
.device-card.wide .device-thumb{aspect-ratio:21/9}
.device-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.device-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.device-card:hover .device-thumb img{transform:scale(1.04)}
.device-thumb .tag{position:absolute;top:12px;left:12px}
.device-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.device-body h3{font-size:18px;font-weight:700;line-height:1.45}
.device-body p{color:var(--ink-2);font-size:14.5px;line-height:1.75}
.device-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--brand-600);
  font-size:12.5px;font-weight:700;line-height:1.6;
}
.tag.gold{background:rgba(255,216,77,.22);color:#7a5b00;border:1px solid rgba(255,216,77,.65)}
.tag.mint{background:rgba(0,210,168,.16);color:#0a7a63;border:1px solid rgba(0,210,168,.45)}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;color:var(--brand-600);
}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}

.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:22px;
}
.side-card h3{font-size:16.5px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--brand-600)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 12px;border-radius:12px;
  color:var(--ink-2);font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.side-list a:hover{background:var(--surface-2);color:var(--brand-600);transform:translateX(4px)}
.side-list a i{color:var(--ink-3);font-size:13px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-2);padding:8px 0;
}
.check-list li i{color:var(--ok);margin-top:5px;flex:none}
.side-cta{
  background:linear-gradient(135deg,#4318B8,#5B2BE0 55%,#00D2A8);
  border:0;color:#fff;
}
.side-cta h3{color:#fff}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);margin-bottom:16px}
.side-cta .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.side-cta .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}

/* ---------- 安装流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.flow-step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow-num{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(135deg,var(--grad-a),var(--grad-b));
  color:#fff;font-weight:800;font-size:17px;
  display:grid;place-items:center;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--ink-2);line-height:1.78}

/* ---------- 检查项 ---------- */
.spec{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.spec-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.spec-item strong{font-size:15.5px;font-weight:700;display:flex;align-items:center;gap:9px}
.spec-item strong i{color:var(--brand-600)}
.spec-item span{font-size:13.5px;color:var(--ink-3);text-align:right}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);
  gap:36px;align-items:start;max-width:1040px;margin:0 auto;
}
.faq-side{position:sticky;top:104px}
.faq-side h2{font-size:clamp(22px,2.4vw,29px);font-weight:700;line-height:1.32;margin-bottom:12px}
.faq-side p{color:var(--ink-2);font-size:15px;margin-bottom:18px}
.faq-side .tip{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--surface-2);border-radius:var(--r-md);
  padding:14px 16px;font-size:13.5px;color:var(--ink-2);
}
.faq-side .tip i{color:var(--brand-600);margin-top:4px}
.accordion-item{
  border:0 !important;
  border-radius:var(--r-md) !important;
  background:var(--surface);
  box-shadow:var(--sh-1);
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  position:relative;
  font-size:16.5px;font-weight:600;color:var(--ink);
  background:var(--surface);
  padding:19px 52px 19px 24px;
  border-radius:var(--r-md) !important;
  box-shadow:none !important;
}
.accordion-button::after{right:22px;background-size:1rem;transition:transform .22s ease}
.accordion-button:not(.collapsed){color:var(--brand-600);background:var(--surface)}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--grad-a),var(--grad-b));
}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(91,43,224,.18) !important;z-index:3}
.accordion-body{
  padding:4px 24px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-card{
  display:grid;grid-template-columns:1.45fr 1fr;
  border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-3);background:var(--surface);
}
.cta-left{
  position:relative;overflow:hidden;
  padding:52px 46px;color:#fff;
  background:linear-gradient(135deg,#4318B8 0%,#5B2BE0 52%,#7A3BFF 100%);
}
.cta-left::after{
  content:"";position:absolute;right:-60px;bottom:-70px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,210,168,.42),rgba(0,210,168,0) 70%);
}
.cta-left > *{position:relative;z-index:1}
.cta-left h2{font-size:clamp(22px,2.5vw,30px);font-weight:700;line-height:1.32;margin-bottom:14px}
.cta-left p{color:rgba(255,255,255,.86);font-size:15.5px;margin-bottom:22px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;padding:7px 0;color:rgba(255,255,255,.94)}
.cta-points li i{color:#00D2A8;margin-top:5px}
.cta-right{padding:40px 38px;background:var(--surface)}
.cta-right h3{font-size:18px;font-weight:700;margin-bottom:6px}
.cta-right .sub{font-size:13.5px;color:var(--ink-3);margin-bottom:20px}
.form-label{font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.form-control,.form-select{
  height:48px;border-radius:12px;border:1px solid var(--line);
  font-size:15px;background:#fff;padding:0 14px;color:var(--ink);
}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(91,43,224,.16);
}
.form-check-input{width:18px;height:18px;border-color:var(--line);margin-top:4px}
.form-check-input:checked{background-color:var(--brand-600);border-color:var(--brand-600)}
.form-check-label{font-size:13.5px;color:var(--ink-2)}
.form-msg{margin-top:14px;font-size:14px;display:none}
.form-msg.ok{
  display:block;padding:12px 14px;border-radius:12px;
  background:rgba(18,184,134,.12);color:#0a7a63;
  border:1px solid rgba(18,184,134,.35);
}

/* ---------- 页脚 ---------- */
.site-footer{background:#120C2B;color:#fff;padding:76px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.55)}
.footer-brand .brand:hover{color:#fff}
.footer-brand > p{color:rgba(255,255,255,.66);font-size:14.5px;margin:18px 0 16px;max-width:340px;line-height:1.8}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.62);font-size:13.5px;padding:4px 0}
.footer-contact li i{color:#00D2A8;margin-top:5px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff}
.footer-col ul li a{
  display:inline-block;padding:5px 0;
  color:rgba(255,255,255,.7);font-size:14.5px;
  transition:color .18s ease,transform .18s ease;
}
.footer-col ul li a:hover{color:#00D2A8;transform:translateX(4px)}
.footer-qr{display:flex;gap:14px;align-items:flex-start}
.qr-box{
  width:96px;height:96px;flex:none;border-radius:16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;font-size:34px;color:rgba(255,255,255,.45);
}
.footer-qr span{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.8}
.footer-bottom{
  margin-top:52px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:rgba(255,255,255,.62);font-size:13.5px}
.footer-links a:hover{color:#00D2A8}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .split{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
  .mega-panel{width:700px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:12px 20px 24px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);
    max-height:calc(100vh - 72px);overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
    margin-left:0;
  }
  .nav-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-item{width:100%;justify-content:flex-start;padding:13px 14px;font-size:15.5px}
  .nav-item.active::after{left:14px;right:auto;width:28px;bottom:8px}
  .nav-more{width:100%}
  .mega-panel{
    position:static;width:auto;display:none;
    grid-template-columns:1fr;gap:16px;
    box-shadow:none;border:0;padding:6px 0 10px;
    opacity:1;visibility:visible;transform:none;
  }
  .nav-more.open .mega-panel{display:grid}
  .nav-more:hover .mega-panel{display:none}
  .nav-more.open:hover .mega-panel{display:grid}
  .split{grid-template-columns:1fr}
  .side{position:static}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .faq-side{position:static}
  .cta-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .hero-inner{padding:44px 30px 38px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding-left:16px;padding-right:16px}
  .hero-shell{padding:16px 16px 0}
  .hero-wall{min-height:360px;border-radius:var(--r-lg)}
  .hero-inner{padding:34px 22px 30px}
  .hero-inner p{font-size:15.5px}
  .badge-stat b{font-size:19px}
  .wall{grid-template-columns:1fr}
  .device-card.wide{grid-column:auto}
  .device-card.wide .device-thumb{aspect-ratio:16/10}
  .flow{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr}
  .spec-item{flex-direction:column;align-items:flex-start;gap:6px}
  .spec-item span{text-align:left}
  .cta-left{padding:36px 24px}
  .cta-right{padding:28px 22px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:56px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mega-card img{width:84px;height:58px}
}
@media (max-width:575px){
  .hero-inner h1{font-size:27px}
  .brand-text strong{font-size:15px}
  .brand-text em{display:none}
  .btn-brand,.btn-ghost,.btn-accent{width:100%;padding:0 18px}
  .hero-actions{flex-direction:column}
  .mega-foot{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}