/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --brand:#5A31F4;
  --brand-2:#00C2A8;
  --brand-grad:linear-gradient(120deg,#5A31F4 0%,#00C2A8 100%);
  --accent:#FF7A2F;
  --accent-hover:#E9661C;
  --ok:#2BC46B;
  --danger:#E8462F;
  --neutral:#8A85A0;
  --bg:#F6F5FB;
  --surface:#FFFFFF;
  --dark:#14102B;
  --text:#1B1533;
  --text-2:#5B5470;
  --line:#E6E3F2;
  --line-strong:#DCD7EF;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --shadow:0 1px 2px rgba(27,21,51,.04),0 6px 18px rgba(27,21,51,.06);
  --shadow-hover:0 10px 28px rgba(90,49,244,.16);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease);}
a:hover,a:focus{color:var(--brand);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(90,49,244,.32);outline-offset:2px;border-radius:6px;}

/* 覆盖 Foundation 默认外观 */
body,button,input,select,textarea{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;}
a:hover,a:focus{color:var(--brand);}
.button,.btn{background:none;}

/* ===================== 容器与通用 ===================== */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 28px;
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  background:rgba(90,49,244,.08);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:14px;
}
.section-title{
  font-size:34px;
  font-weight:700;
  color:var(--text);
  line-height:1.28;
}
.section-desc{
  margin-top:12px;
  font-size:16px;
  color:var(--text-2);
  max-width:640px;
  line-height:1.8;
}
.grad-bar{
  display:inline-block;
  width:4px;height:26px;
  border-radius:4px;
  background:var(--brand-grad);
  vertical-align:-4px;
  margin-right:12px;
}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,122,47,.26);
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--accent-hover);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(255,122,47,.32);
}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:#fff;
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-outline:hover,.btn-outline:focus{
  color:var(--brand);
  border-color:rgba(90,49,244,.55);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-ghost{
  background:rgba(255,255,255,.08);
  color:#fff;
  border-color:rgba(255,255,255,.4);
}
.btn-ghost:hover,.btn-ghost:focus{
  background:rgba(255,255,255,.16);
  color:#fff;
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ===================== 状态徽章 / 标签 ===================== */
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 13px;
  border-radius:999px;
  background:rgba(43,196,107,.12);
  color:#1E8F4E;
  font-size:13px;
  font-weight:700;
  line-height:1;
}
.status-badge .dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 3px rgba(43,196,107,.2);
}
.status-badge-light{
  background:rgba(43,196,107,.16);
  color:#5FE39A;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  line-height:1;
  background:rgba(90,49,244,.09);
  color:var(--brand);
}
.tag-teal{background:rgba(0,194,168,.13);color:#00806F;}
.tag-amber{background:rgba(255,122,47,.13);color:#C9541A;}
.tag-gray{background:rgba(138,133,160,.14);color:#5B5470;}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(27,21,51,.08);}
.nav-wrap{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  font-size:20px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  line-height:1;
  box-shadow:0 6px 14px rgba(90,49,244,.28);
}
.brand-name{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover .brand-name{color:var(--brand);}
.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-main a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
}
.nav-main a:hover{color:var(--brand);background:rgba(90,49,244,.06);}
.nav-main a.active{color:var(--text);}
.nav-main a.active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:-17px;
  height:3px;
  border-radius:999px;
  background:var(--brand-grad);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  color:var(--text);
  font-size:18px;
  align-items:center;
  justify-content:center;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.nav-toggle:hover{border-color:rgba(90,49,244,.5);color:var(--brand);background:rgba(90,49,244,.05);}

/* 倒计时条 */
.countdown-bar{
  background:var(--dark);
  color:#fff;
  height:44px;
  display:flex;
  align-items:center;
}
.countdown-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
}
.cd-left{display:flex;align-items:center;gap:14px;}
.cd-label{
  font-size:13px;
  color:rgba(255,255,255,.7);
  font-weight:600;
  white-space:nowrap;
}
.cd-group{display:flex;align-items:center;gap:8px;}
.cd-cell{
  min-width:46px;
  height:30px;
  border-radius:9px;
  background:rgba(255,255,255,.1);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.cd-sep{color:rgba(255,255,255,.45);font-weight:700;}
.cd-right{
  font-size:13px;
  color:rgba(255,255,255,.72);
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}
.cd-right i{color:var(--brand-2);}

/* 抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(20,16,43,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:300px;
  max-width:86vw;
  height:100%;
  background:#fff;
  z-index:100;
  transform:translateX(102%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  display:flex;
  flex-direction:column;
  padding:22px 20px 28px;
  box-shadow:-12px 0 40px rgba(20,16,43,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.drawer-close:hover{color:var(--danger);border-color:rgba(232,70,47,.4);}
.drawer-nav{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-top:18px;
  flex:1 1 auto;
}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 14px;
  border-radius:var(--r-xs);
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.drawer-nav a::after{
  content:"\f054";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  color:var(--neutral);
}
.drawer-nav a:hover,.drawer-nav a.active{
  background:rgba(90,49,244,.07);
  color:var(--brand);
}
.drawer-cta{width:100%;margin-top:18px;}

/* ===================== Hero ===================== */
.hero{
  position:relative;
  padding:76px 0 84px;
  background:
    radial-gradient(circle at 12% 8%,rgba(90,49,244,.10),transparent 42%),
    radial-gradient(circle at 88% 84%,rgba(0,194,168,.10),transparent 44%),
    var(--bg);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(90,49,244,.14) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero-copy{max-width:620px;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13px;
  font-weight:700;
  margin-bottom:22px;
  box-shadow:var(--shadow);
}
.hero-eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px rgba(43,196,107,.2);
}
.hero h1{
  font-size:48px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--text);
}
.hero h1 em{
  font-style:normal;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.85;
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:44px;
  padding-top:30px;
  border-top:1px solid var(--line);
}
.hero-stat strong{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--text);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.hero-stat span{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--text-2);
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:21/9;
  min-height:260px;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  background:#E9E6F4;
}
.float-card{
  position:absolute;
  right:18px;
  bottom:-22px;
  width:240px;
  background:#fff;
  border-radius:var(--r-sm);
  padding:16px 18px;
  box-shadow:0 14px 34px rgba(27,21,51,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.float-card .fc-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--text);
}
.float-card .fc-title .dot{
  width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px rgba(43,196,107,.2);
}
.float-card .fc-sub{
  display:block;
  margin-top:4px;
  font-size:12px;
  color:var(--text-2);
}
.fc-arrow{
  width:36px;height:36px;
  flex:0 0 36px;
  border-radius:50%;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
}
.fc-arrow:hover{transform:translateY(-2px);color:#fff;}

/* ===================== 状态带 ===================== */
.strip{
  padding:0 0 88px;
}
.strip-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  padding:26px 28px;
  height:100%;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.strip-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(90,49,244,.3);
}
.strip-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.strip-name{
  font-size:17px;
  font-weight:700;
  color:var(--text);
}
.strip-icon{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  flex:0 0 38px;
}
.strip-text{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
}
.strip-meta{
  display:flex;
  gap:18px;
  margin-top:4px;
  font-size:13px;
  color:var(--text-2);
}
.strip-meta strong{color:var(--text);font-weight:700;font-variant-numeric:tabular-nums;}

/* ===================== 主题封面 ===================== */
.feature{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.feature-body{
  padding:46px 46px 46px 46px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
}
.feature-body h3{
  font-size:28px;
  font-weight:800;
  line-height:1.32;
  color:var(--text);
}
.feature-body p{
  font-size:16px;
  color:var(--text-2);
  line-height:1.85;
}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;}
.feature-count{
  display:flex;
  gap:14px;
  margin-top:6px;
}
.count-cell{
  min-width:74px;
  padding:10px 12px;
  border-radius:var(--r-xs);
  background:#14102B;
  color:#fff;
  text-align:center;
}
.count-cell strong{
  display:block;
  font-size:22px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  line-height:1.15;
}
.count-cell span{font-size:12px;color:rgba(255,255,255,.7);}
.feature-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px;}
.feature-media{position:relative;min-height:320px;}
.feature-media img{
  width:100%;height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:#E9E6F4;
}
.feature-badge{
  position:absolute;
  top:20px;left:20px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--text);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
  box-shadow:var(--shadow);
}
.feature-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);}

/* ===================== 合集目录 ===================== */
.collection-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.collection-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(90,49,244,.3);
}
.cc-media{position:relative;overflow:hidden;}
.cc-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:#E9E6F4;
  transition:transform 420ms cubic-bezier(.2,.7,.3,1);
}
.collection-card:hover .cc-media img{transform:scale(1.03);}
.num-badge{
  position:absolute;
  top:14px;left:14px;
  width:38px;height:38px;
  border-radius:12px;
  background:#fff;
  color:var(--brand);
  font-size:16px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);
  font-variant-numeric:tabular-nums;
}
.cc-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.cc-body h3{
  font-size:22px;
  font-weight:700;
  color:var(--text);
  line-height:1.4;
}
.cc-body p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  flex:1 1 auto;
}
.cc-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-2);
  padding-top:12px;
  border-top:1px solid var(--line);
}
.cc-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--brand);
  font-size:14px;
}
.cc-link:hover{gap:10px;}

/* ===================== 精选条目 ===================== */
.pick-card{
  display:flex;
  gap:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:18px;
  height:100%;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pick-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(90,49,244,.3);
}
.pick-media{
  flex:0 0 190px;
  position:relative;
  border-radius:var(--r-sm);
  overflow:hidden;
}
.pick-media img{
  width:100%;height:100%;
  min-height:150px;
  aspect-ratio:16/10;
  object-fit:cover;
  background:#E9E6F4;
  transition:transform 420ms cubic-bezier(.2,.7,.3,1);
}
.pick-card:hover .pick-media img{transform:scale(1.03);}
.pick-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  min-width:0;
}
.pick-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.45;
  color:var(--text);
}
.pick-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.78;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.pick-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--text-2);
}

/* ===================== 最新信息 ===================== */
.section-news{background:#fff;}
.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(90,49,244,.3);
}
.news-cover{
  display:block;
  overflow:hidden;
}
.news-cover img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:#E9E6F4;
  transition:transform 420ms cubic-bezier(.2,.7,.3,1);
}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.news-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.45;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.78;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1 1 auto;
}
.news-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.news-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--brand);
  font-size:14px;
}
.news-link:hover{gap:10px;}
.news-empty{
  grid-column:1/-1;
  background:#fff;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  padding:56px 24px;
  text-align:center;
}
.news-empty i{
  font-size:32px;
  color:var(--neutral);
  margin-bottom:14px;
  display:block;
}
.news-empty p{
  font-size:15px;
  color:var(--text-2);
  margin-bottom:18px;
}

/* ===================== 相关推荐 ===================== */
.mini-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(90,49,244,.3);
}
.mini-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:#E9E6F4;
}
.mini-body{padding:16px 18px 20px;}
.mini-body h3{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  color:var(--text);
  margin-bottom:8px;
}
.mini-body span{
  font-size:13px;
  color:var(--text-2);
}

/* ===================== 深色 CTA ===================== */
.cta-dark{
  position:relative;
  background:var(--dark);
  border-radius:var(--r-xl);
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  overflow:hidden;
}
.cta-dark::after{
  content:"9";
  position:absolute;
  right:34px;
  bottom:-46px;
  font-size:190px;
  font-weight:800;
  line-height:1;
  color:#fff;
  opacity:.06;
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:600px;}
.cta-copy h2{
  font-size:30px;
  font-weight:800;
  color:#fff;
  line-height:1.3;
}
.cta-copy p{
  margin-top:12px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  line-height:1.8;
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(90,49,244,.28);}
.faq-item.is-open{border-color:rgba(90,49,244,.4);box-shadow:var(--shadow-hover);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
}
.faq-icon{
  flex:0 0 30px;
  width:30px;height:30px;
  border-radius:50%;
  background:rgba(90,49,244,.09);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  transition:transform var(--ease),background-color var(--ease),color var(--ease);
}
.faq-item.is-open .faq-icon{
  background:var(--brand-grad);
  color:#fff;
  transform:rotate(180deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms cubic-bezier(.2,.7,.3,1);
}
.faq-a p{
  padding:0 24px 22px;
  font-size:16px;
  color:var(--text-2);
  line-height:1.9;
}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--dark);
  color:#fff;
  border-radius:32px 32px 0 0;
  padding:64px 0 0;
  margin-top:96px;
}
.foot-grid{padding-bottom:44px;}
.foot-brand{display:flex;flex-direction:column;gap:16px;align-items:flex-start;}
.foot-brand .brand-name{color:#fff;font-size:19px;}
.foot-desc{
  font-size:14px;
  color:rgba(255,255,255,.66);
  line-height:1.8;
  max-width:320px;
}
.foot-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.foot-col li{margin-bottom:11px;}
.foot-col a{
  font-size:15px;
  color:rgba(255,255,255,.68);
  display:inline-block;
}
.foot-col a:hover{
  color:var(--brand-2);
  transform:translateX(2px);
}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:13px;
  font-weight:600;
}
.to-top:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.5);
}

/* ===================== 响应式 ===================== */
@media (max-width:1024px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .section-title{font-size:26px;}
  .section-head{margin-bottom:30px;align-items:flex-start;}
  .hero{padding:56px 0 68px;}
  .hero h1{font-size:36px;}
  .hero-media{margin-top:44px;}
  .hero-media img{aspect-ratio:16/9;}
  .float-card{position:static;width:100%;margin-top:16px;box-shadow:var(--shadow);}
  .feature{grid-template-columns:1fr;}
  .feature-body{padding:32px 28px;}
  .feature-media{order:-1;min-height:0;}
  .pick-media{flex:0 0 160px;}
  .cta-dark{padding:40px 32px;flex-direction:column;align-items:flex-start;}
  .cta-copy h2{font-size:25px;}
  .strip{padding-bottom:64px;}
}

@media (max-width:900px){
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right .status-badge{display:none;}
  .nav-main a.active::after{display:none;}
  .cd-right{display:none;}
}

@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-title{font-size:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .brand-name{font-size:17px;}
  .brand-mark{width:34px;height:34px;font-size:18px;border-radius:10px;}
  .nav-right .btn-sm{padding:0 16px;height:38px;font-size:13px;}
  .countdown-bar{height:auto;padding:10px 0;}
  .countdown-inner{flex-direction:column;align-items:flex-start;gap:8px;}
  .hero{padding:40px 0 52px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;margin-top:16px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:24px;margin-top:32px;padding-top:24px;}
  .hero-stat strong{font-size:24px;}
  .feature-body{padding:26px 20px;}
  .feature-body h3{font-size:22px;}
  .feature-actions .btn{width:100%;}
  .pick-card{flex-direction:column;gap:16px;}
  .pick-media{flex:0 0 auto;}
  .pick-media img{min-height:0;aspect-ratio:16/9;}
  .news-body h3{font-size:18px;}
  .mini-scroll{
    display:flex;
    gap:14px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    padding-bottom:8px;
  }
  .mini-scroll > *{
    flex:0 0 74%;
    scroll-snap-align:start;
  }
  .cta-dark{padding:32px 22px;border-radius:24px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .site-footer{margin-top:64px;padding-top:48px;border-radius:24px 24px 0 0;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
    --brand:#5A31F4;
    --brand-2:#00C2A8;
    --brand-grad:linear-gradient(120deg,#5A31F4,#00C2A8);
    --accent:#FF7A2F;
    --accent-hover:#E9661C;
    --ok:#2BC46B;
    --warn:#E8462F;
    --neutral:#8A85A0;
    --bg:#F6F5FB;
    --card:#FFFFFF;
    --dark:#14102B;
    --text:#1B1533;
    --muted:#5B5470;
    --line:#E6E3F2;
    --r-xl:28px;
    --r-lg:24px;
    --r-md:20px;
    --r-sm:16px;
    --r-xs:12px;
    --shadow:0 1px 2px rgba(27,21,51,.04),0 6px 18px rgba(27,21,51,.06);
    --shadow-hover:0 10px 28px rgba(90,49,244,.16);
    --ease:220ms cubic-bezier(.2,.7,.3,1);
    --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
    margin:0;
    font-family:var(--font);
    font-size:16px;
    line-height:1.7;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0 0 .5em;color:var(--text);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(90,49,244,.35);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ header / nav ============ */
.site-header{
    position:sticky;top:0;z-index:80;
    background:#fff;
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(27,21,51,.08);}
.nav-wrap{
    display:flex;align-items:center;justify-content:space-between;
    gap:20px;height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
    width:38px;height:38px;border-radius:12px;
    background:var(--brand-grad);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:19px;font-weight:800;letter-spacing:0;
    box-shadow:0 6px 16px rgba(90,49,244,.28);
}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:26px;}
.nav-main a{
    position:relative;
    font-size:15px;font-weight:600;color:var(--muted);
    padding:6px 2px;
}
.nav-main a::after{
    content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:999px;
    background:var(--brand-grad);opacity:0;transform:scaleX(.4);
    transition:opacity var(--ease),transform var(--ease);
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{opacity:1;transform:scaleX(1);}
.nav-main a.active{color:var(--brand);}
.nav-main a.active::after{opacity:1;transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.status-badge{
    display:inline-flex;align-items:center;gap:7px;
    padding:6px 13px;border-radius:999px;
    background:rgba(43,196,107,.12);color:#1E8C4D;
    font-size:13px;font-weight:600;white-space:nowrap;
}
.status-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block;}
.status-badge-light{background:rgba(255,255,255,.11);color:#B8F2D3;}
.nav-toggle{
    display:none;width:44px;height:44px;border-radius:var(--r-xs);
    border:1px solid var(--line);background:#fff;color:var(--text);font-size:17px;
}
.nav-toggle:hover{border-color:rgba(90,49,244,.4);color:var(--brand);}

.countdown-bar{background:var(--dark);color:#fff;}
.countdown-inner{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    height:44px;
}
.cd-left{display:flex;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.78);}
.cd-group{display:inline-flex;align-items:center;gap:4px;}
.cd-cell{
    min-width:32px;text-align:center;padding:3px 6px;border-radius:8px;
    background:rgba(255,255,255,.12);color:#fff;font-weight:700;font-size:14px;
    font-variant-numeric:tabular-nums;
}
.cd-sep{color:rgba(255,255,255,.45);font-weight:700;}
.cd-right{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:rgba(255,255,255,.7);}

/* ============ buttons ============ */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
    transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.26);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:#DCD7EF;color:var(--text);}
.btn-ghost:hover{border-color:rgba(90,49,244,.55);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-dark-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.4);color:#fff;}
.btn-dark-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-icon{
    width:44px;height:44px;padding:0;border-radius:50%;
    border:1px solid var(--line);background:#fff;color:var(--muted);font-size:15px;
}
.btn-icon:hover{border-color:rgba(90,49,244,.45);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);}

/* ============ breadcrumb ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:#B7B1CC;}
.crumb .current{color:var(--text);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ article head ============ */
.article-head{padding:26px 0 0;}
.article-head .kicker{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:rgba(90,49,244,.09);color:var(--brand);
    font-size:13px;font-weight:700;
}
.article-head h1{
    font-size:40px;line-height:1.24;font-weight:800;letter-spacing:-.02em;
    margin:18px 0 14px;max-width:920px;
}
.meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    padding-bottom:22px;border-bottom:1px solid var(--line);
    font-size:13px;color:var(--muted);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-actions{margin-left:auto;display:inline-flex;gap:10px;}
.tag{
    display:inline-flex;align-items:center;
    padding:4px 12px;border-radius:999px;
    background:rgba(0,194,168,.12);color:#0B7F70;
    font-size:13px;font-weight:700;
}

/* ============ cover ============ */
.article-cover{margin:28px 0 0;}
.article-cover .frame{
    position:relative;width:100%;aspect-ratio:16/9;
    border-radius:var(--r-lg);overflow:hidden;background:#EDEAF8;
    box-shadow:var(--shadow);
}
.article-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.article-cover .frame:hover img{transform:scale(1.02);}
.article-cover figcaption{
    margin-top:10px;font-size:13px;color:var(--muted);text-align:center;
}

/* ============ article body ============ */
.article-section{padding:40px 0 8px;}
.article-body{
    max-width:760px;margin:0 auto;
    font-size:17px;line-height:1.9;color:var(--text);
}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
    position:relative;font-size:26px;font-weight:700;line-height:1.35;
    margin:2.2em 0 .9em;padding-left:18px;
}
.article-body h2::before{
    content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;
    background:var(--brand-grad);
}
.article-body h3{font-size:20px;font-weight:600;margin:1.8em 0 .7em;}
.article-body h4{font-size:18px;font-weight:600;margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:4px;}
.article-body ul li,.article-body ol li{
    position:relative;padding-left:22px;margin:0 0 .6em;
}
.article-body ul li::before{
    content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:3px;
    background:var(--brand-grad);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
    content:counter(li);
    position:absolute;left:0;top:.18em;
    width:20px;height:20px;border-radius:6px;
    background:rgba(90,49,244,.1);color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:12px;font-weight:700;
}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(90,49,244,.3);}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(255,122,47,.4);}
.article-body img{border-radius:var(--r-sm);margin:1.4em auto;box-shadow:var(--shadow);}
.article-body blockquote{
    margin:1.6em 0;padding:18px 22px;
    border-left:4px solid var(--accent);border-radius:var(--r-xs);
    background:#FFF6EF;color:#4A3A2C;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
    width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
    background:#fff;border-radius:var(--r-xs);overflow:hidden;box-shadow:var(--shadow);
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:#F3F1FB;font-weight:700;color:var(--text);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

.empty-article{
    max-width:760px;margin:0 auto;padding:48px 24px;text-align:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);
}
.empty-article i{
    width:56px;height:56px;border-radius:50%;display:inline-flex;
    align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;
    background:rgba(90,49,244,.1);color:var(--brand);
}
.empty-article h2{font-size:22px;margin-bottom:8px;}
.empty-article p{color:var(--muted);margin-bottom:20px;}

/* ============ article footer nav ============ */
.back-lane{
    max-width:760px;margin:34px auto 0;
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    padding:20px 22px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);box-shadow:var(--shadow);
}
.back-lane .lane-text{font-size:15px;color:var(--muted);}
.back-lane .lane-text strong{display:block;color:var(--text);font-size:16px;margin-bottom:2px;}

/* ============ related ============ */
.related{padding:72px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.sec-head h2{
    position:relative;font-size:30px;font-weight:700;margin:0;padding-left:16px;line-height:1.3;
}
.sec-head h2::before{
    content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;
    background:var(--brand-grad);
}
.sec-head p{margin:6px 0 0;color:var(--muted);font-size:14px;}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.post-card{
    display:flex;flex-direction:column;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;box-shadow:var(--shadow);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(90,49,244,.3);}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEAF8;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .idx{
    position:absolute;top:12px;left:12px;
    width:30px;height:30px;border-radius:9px;
    background:rgba(255,255,255,.94);color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:17px;font-weight:600;line-height:1.5;margin:0 0 8px;}
.post-card h3 a{color:var(--text);}
.post-card h3 a:hover{color:var(--brand);}
.post-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 14px;}
.post-card .foot{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);
}
.post-card .foot span{display:inline-flex;align-items:center;gap:6px;}

/* ============ dark CTA ============ */
.dark-cta{padding:80px 0 0;}
.dark-cta .panel{
    position:relative;overflow:hidden;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
    padding:38px 40px;border-radius:var(--r-xl);
    background:var(--dark);color:#fff;
}
.dark-cta .panel::after{
    content:"9";position:absolute;right:34px;bottom:-46px;
    font-size:190px;font-weight:800;line-height:1;color:rgba(255,255,255,.06);pointer-events:none;
}
.dark-cta h2{color:#fff;font-size:26px;margin:0 0 8px;}
.dark-cta p{color:rgba(255,255,255,.75);margin:0;font-size:15px;max-width:560px;line-height:1.8;}
.dark-cta .actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ============ footer ============ */
.site-footer{
    margin-top:88px;background:var(--dark);color:rgba(255,255,255,.72);
    border-radius:32px 32px 0 0;padding:64px 0 0;
}
.foot-grid{padding-bottom:12px;}
.foot-brand{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.foot-brand .brand{color:#fff;}
.foot-brand .brand:hover{color:#fff;}
.foot-brand .brand-name{color:#fff;}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:0;max-width:320px;}
.foot-col h4{color:#fff;font-size:16px;font-weight:700;margin:0 0 14px;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul a{
    color:rgba(255,255,255,.72);font-size:15px;
    transition:color var(--ease),transform var(--ease);
    display:inline-block;
}
.foot-col ul a:hover{color:var(--brand-2);transform:translateX(2px);}
.foot-bottom{
    margin-top:26px;padding:22px 0;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
    font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{
    display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.78);
    padding:8px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
    font-size:13px;font-weight:600;
}
.to-top:hover{color:#fff;border-color:rgba(0,194,168,.6);background:rgba(255,255,255,.06);}

/* ============ responsive ============ */
@media screen and (max-width:1024px){
    .container{padding:0 20px;}
    .nav-main{gap:18px;}
    .nav-main a{font-size:14px;}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
    .article-head h1{font-size:34px;}
    .related{padding-top:56px;}
    .dark-cta{padding-top:60px;}
}
@media screen and (max-width:900px){
    .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
    .nav-main{
        position:fixed;top:0;right:0;z-index:90;
        width:300px;height:100%;
        flex-direction:column;align-items:flex-start;gap:0;
        background:#fff;padding:88px 24px 28px;
        transform:translateX(100%);
        transition:transform 300ms cubic-bezier(.2,.7,.3,1);
        box-shadow:-12px 0 40px rgba(20,16,43,.16);
        overflow-y:auto;
    }
    .nav-main a{
        width:100%;padding:14px 0;font-size:16px;
        border-bottom:1px solid var(--line);
    }
    .nav-main a::after{display:none;}
    .nav-main a.active{color:var(--brand);}
    body.nav-open .nav-main{transform:translateX(0);}
    body.nav-open::after{
        content:"";position:fixed;inset:0;z-index:85;background:rgba(20,16,43,.5);
    }
    .nav-right .status-badge{display:none;}
    .countdown-inner{justify-content:center;}
    .cd-right{display:none;}
    .article-head h1{font-size:30px;}
    .article-body{font-size:16px;}
}
@media screen and (max-width:768px){
    .site-footer{margin-top:64px;padding-top:48px;border-radius:24px 24px 0 0;}
    .foot-grid > [class*="cell"]{margin-bottom:28px;}
    .sec-head{flex-direction:column;align-items:flex-start;gap:6px;}
    .sec-head h2{font-size:24px;}
    .dark-cta .panel{padding:28px 24px;}
    .dark-cta h2{font-size:22px;}
}
@media screen and (max-width:640px){
    .container{padding:0 16px;}
    .nav-wrap{height:60px;}
    .brand-name{font-size:17px;}
    .brand-mark{width:34px;height:34px;font-size:17px;}
    .nav-right .btn-primary{display:none;}
    .article-head h1{font-size:26px;}
    .meta-actions{margin-left:0;width:100%;}
    .card-grid{grid-template-columns:1fr;}
    .article-section{padding-top:28px;}
    .article-body h2{font-size:22px;}
    .post-card{flex-direction:row;}
    .post-card .thumb{width:120px;min-width:120px;aspect-ratio:1/1;border-radius:0;}
    .post-card .body{padding:14px 16px;}
    .back-lane{flex-direction:column;align-items:flex-start;}
    .back-lane .btn{width:100%;}
    .dark-cta .actions{width:100%;}
    .dark-cta .btn{width:100%;}
}
@media screen and (max-width:520px){
    .crumb .current{max-width:200px;}
    .cd-label{font-size:12px;}
    .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#5A31F4;
  --brand-2:#00C2A8;
  --brand-grad:linear-gradient(120deg,#5A31F4,#00C2A8);
  --accent:#FF7A2F;
  --accent-hover:#E9661C;
  --ok:#2BC46B;
  --warn:#E8462F;
  --neutral:#8A85A0;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --dark:#14102B;
  --text:#1B1533;
  --text-2:#5B5470;
  --line:#E6E3F2;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,21,51,.04), 0 6px 18px rgba(27,21,51,.06);
  --sh-2:0 10px 28px rgba(90,49,244,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-family:inherit;
  color:var(--text);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
h1{font-size:48px;font-weight:800;letter-spacing:-.02em;}
h2{font-size:34px;}
h3{font-size:22px;font-weight:600;}
h4{font-size:18px;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-2);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}

:focus-visible{outline:3px solid rgba(90,49,244,.32);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:28px;
  padding-right:28px;
}

/* 覆盖 Foundation 默认外观 */
body,button,input,select,textarea{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;}
a:not(.btn){background:none;}
.foundation-fallback{display:none;}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(27,21,51,.09);}

.nav-wrap{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  font-size:18px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(90,49,244,.24);
}
.brand-name{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.01em;
  white-space:nowrap;
}

.nav-main{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav-main a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:8px 0;
  white-space:nowrap;
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-main a:hover{color:var(--text);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.active{color:var(--text);}
.nav-main a.active::after{transform:scaleX(1);}

.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}

.status-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 13px;
  border-radius:var(--r-pill);
  background:rgba(43,196,107,.12);
  color:#16734a;
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.status-badge .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 3px rgba(43,196,107,.18);
}
.status-badge-light{
  background:rgba(255,255,255,.12);
  color:#DFF7EE;
}
.status-badge-light .dot{box-shadow:0 0 0 3px rgba(43,196,107,.22);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,122,47,.28);
}
.btn-primary:hover{
  background:var(--accent-hover);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(255,122,47,.34);
}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{
  background:#fff;
  color:var(--text);
  border-color:#DCD7EF;
}
.btn-secondary:hover{
  color:var(--brand);
  border-color:rgba(90,49,244,.45);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(90,49,244,.12);
}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
  border-color:rgba(255,255,255,.4);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(255,255,255,.7);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  background:#fff;
  color:var(--text);
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:border-color .2s var(--ease), color .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(90,49,244,.4);color:var(--brand);}

/* 倒计时条 */
.countdown-bar{
  background:#F1EEFF;
  border-bottom:1px solid var(--line);
}
.countdown-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:44px;
  padding-top:5px;
  padding-bottom:5px;
}
.cd-left{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.cd-label{
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
}
.cd-group{display:inline-flex;align-items:center;gap:4px;}
.cd-cell{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:26px;
  padding:0 7px;
  border-radius:8px;
  background:var(--dark);
  color:#fff;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.cd-sep{color:var(--text-2);font-weight:700;font-size:13px;}
.cd-right{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:var(--text-2);
}

.nav-overlay{
  position:fixed;
  inset:0;
  background:rgba(20,16,43,.5);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s var(--ease), visibility .25s;
  z-index:70;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ========== 顶部横幅 ========== */
.page-banner{
  position:relative;
  overflow:hidden;
  background-color:var(--dark);
  background-image:linear-gradient(115deg,rgba(20,16,43,.94) 8%,rgba(90,49,244,.72) 58%,rgba(0,194,168,.55) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:66px 0 62px;
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.page-banner h1{
  color:#fff;
  max-width:14em;
  margin-bottom:16px;
  text-shadow:0 2px 24px rgba(20,16,43,.35);
}
.banner-sub{
  font-size:17px;
  line-height:1.75;
  color:rgba(255,255,255,.88);
  max-width:34em;
  margin-bottom:26px;
}
.banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}
.banner-stats{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.18);
}
.stat-item{min-width:96px;}
.stat-num{
  display:block;
  font-size:28px;
  font-weight:800;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;margin-left:3px;color:rgba(255,255,255,.75);}
.stat-label{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-top:2px;
}

/* ========== 面包屑 ========== */
.crumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  padding:13px 0;
}
.crumb a{color:var(--text-2);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:var(--neutral);}
.crumb .current{color:var(--text);font-weight:700;}

/* ========== 板块通用 ========== */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{
  max-width:720px;
  margin-bottom:40px;
}
.section-head.center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.section-head h2{
  position:relative;
  padding-left:20px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.14em;
  width:6px;
  height:1.05em;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{
  position:static;
  display:block;
  width:52px;height:5px;
  margin:0 auto 16px;
}
.section-desc{
  font-size:16px;
  color:var(--text-2);
  line-height:1.85;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
  height:100%;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(90,49,244,.3);
  box-shadow:var(--sh-2);
}

.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  background:rgba(90,49,244,.1);
  color:#4423C8;
  letter-spacing:.01em;
}
.tag-teal{background:rgba(0,194,168,.12);color:#0a7a6c;}
.tag-orange{background:rgba(255,122,47,.13);color:#B54E12;}
.tag-muted{background:rgba(138,133,160,.14);color:#5B5470;}
.tag-ok{background:rgba(43,196,107,.13);color:#16734a;}
.tag-warn{background:rgba(232,70,47,.13);color:#A8271A;}

.grid-cards{
  display:grid;
  gap:24px;
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.grid-cards.cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-cards.cols-2{grid-template-columns:repeat(2,minmax(0,1fr));}

.icon-box{
  width:48px;height:48px;
  border-radius:14px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  margin-bottom:18px;
  box-shadow:0 8px 18px rgba(90,49,244,.22);
}
.icon-box.plain{
  background:rgba(90,49,244,.1);
  color:var(--brand);
  box-shadow:none;
}

/* ========== 导语区 ========== */
.intro-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:40px;
  align-items:start;
}
.intro-text{
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
}
.intro-text strong{color:var(--text);}
.intro-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--sh-1);
}
.intro-panel h3{
  font-size:17px;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.check-list li{
  display:flex;
  gap:11px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
  padding:7px 0;
  line-height:1.7;
}
.check-list i{
  color:var(--brand-2);
  font-size:15px;
  margin-top:5px;
  flex-shrink:0;
}

/* ========== 适用场景卡片 ========== */
.scene-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}
.scene-card:hover{
  transform:translateY(-4px);
  border-color:rgba(90,49,244,.3);
  box-shadow:var(--sh-2);
}
.scene-thumb{
  position:relative;
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:#EDEAF8;
}
.scene-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.scene-card:hover .scene-thumb img{transform:scale(1.03);}
.scene-index{
  position:absolute;
  left:14px;top:14px;
  width:34px;height:34px;
  border-radius:10px;
  background:rgba(255,255,255,.94);
  color:var(--brand);
  font-size:14px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.scene-body{padding:22px 22px 24px;}
.scene-body h3{font-size:19px;margin-bottom:10px;}
.scene-body p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0;}

/* ========== 流程 ========== */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.step:hover{
  transform:translateY(-4px);
  border-color:rgba(90,49,244,.3);
  box-shadow:var(--sh-2);
}
.step-num{
  display:flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border:1px solid rgba(90,49,244,.28);
  border-radius:10px;
  color:var(--brand);
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0;}
.step::after{
  content:"";
  position:absolute;
  right:-13px;top:44px;
  width:26px;height:1px;
  background:var(--line);
}
.step:last-child::after{display:none;}

/* ========== 通道状态行列表 ========== */
.channel-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.channel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 26px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,rgba(90,49,244,.05),rgba(0,194,168,.06));
  flex-wrap:wrap;
}
.channel-head h3{margin:0;font-size:18px;}
.channel-head .meta{
  font-size:13px;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.channel-row{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  padding:14px 26px;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease), padding-left .22s var(--ease);
}
.channel-row:last-child{border-bottom:none;}
.channel-row:hover{background:#F4F1FF;padding-left:30px;}
.row-index{
  flex-shrink:0;
  width:38px;height:38px;
  border-radius:11px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  background:#FBF9FF;
}
.row-main{flex:1;min-width:0;}
.row-title{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:17px;
  font-weight:700;
  margin-bottom:3px;
}
.row-meta{
  font-size:13px;
  color:var(--text-2);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.row-right{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}
.row-time{
  font-size:13px;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.row-arrow{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  font-size:13px;
  transition:background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.channel-row:hover .row-arrow{
  background:var(--brand-grad);
  border-color:transparent;
  color:#fff;
}

/* ========== 反馈摘录 ========== */
.quote-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  height:100%;
  display:flex;
  flex-direction:column;
  gap:16px;
  transition:transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}
.quote-card:hover{
  transform:translateY(-4px);
  border-color:rgba(90,49,244,.3);
  box-shadow:var(--sh-2);
}
.quote-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:rgba(90,49,244,.1);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.quote-card p{
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  margin:0;
  flex:1;
}
.quote-who{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.quote-who i{color:var(--brand-2);}

/* ========== FAQ ========== */
.faq-list{
  max-width:900px;
  margin:0 auto;
  display:grid;
  gap:12px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(90,49,244,.28);}
.faq-item.is-open{
  border-color:rgba(90,49,244,.35);
  box-shadow:0 10px 26px rgba(90,49,244,.12);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
}
.faq-q:focus-visible{outline-offset:-4px;}
.faq-icon{
  flex-shrink:0;
  width:30px;height:30px;
  border-radius:50%;
  background:rgba(90,49,244,.1);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  font-weight:700;
  transition:transform .22s var(--ease), background .22s var(--ease), color .22s var(--ease);
}
.faq-item.is-open .faq-icon{
  background:var(--brand-grad);
  color:#fff;
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ========== 深色 CTA ========== */
.cta-dark{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,#14102B 0%,#241a52 55%,#123f47 100%);
  border-radius:var(--r-xl);
  padding:46px 44px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
}
.cta-dark::after{
  content:"9";
  position:absolute;
  right:26px;
  bottom:-40px;
  font-size:190px;
  font-weight:800;
  line-height:1;
  color:rgba(255,255,255,.06);
  pointer-events:none;
  user-select:none;
}
.cta-dark-text{position:relative;z-index:2;max-width:36em;}
.cta-dark-text h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-dark-text p{color:rgba(255,255,255,.78);font-size:16px;margin:0;}
.cta-dark-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* ========== 相关推荐 ========== */
.rec-card{
  display:flex;
  gap:16px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px;
  box-shadow:var(--sh-1);
  height:100%;
  transition:transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
}
.rec-card:hover{
  transform:translateY(-4px);
  border-color:rgba(90,49,244,.3);
  box-shadow:var(--sh-2);
}
.rec-thumb{
  flex-shrink:0;
  width:104px;
  aspect-ratio:1 / 1;
  border-radius:var(--r-xs);
  overflow:hidden;
  background:#EDEAF8;
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.05);}
.rec-body h3{font-size:16px;margin:6px 0 6px;}
.rec-body p{font-size:13px;color:var(--text-2);margin:0;line-height:1.7;}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  margin-top:88px;
  border-radius:32px 32px 0 0;
  padding:64px 0 26px;
}
.site-footer .brand-name{color:#fff;}
.foot-grid{margin-bottom:44px;}
.foot-brand{display:flex;flex-direction:column;gap:16px;align-items:flex-start;}
.foot-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:26em;
  margin:0;
}
.foot-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.foot-col ul li{margin-bottom:10px;}
.foot-col a{
  font-size:15px;
  color:rgba(255,255,255,.68);
  display:inline-block;
  transition:color .2s var(--ease), transform .2s var(--ease);
}
.foot-col a:hover{color:var(--brand-2);transform:translateX(2px);}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:rgba(255,255,255,.72);
  font-size:13px;
}
.to-top:hover{color:var(--brand-2);}

/* ========== 响应式 ========== */
@media screen and (max-width:1024px){
  .container{padding-left:20px;padding-right:20px;}
  h1{font-size:38px;}
  h2{font-size:28px;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-cards.cols-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .intro-grid{grid-template-columns:1fr;gap:28px;}
  .nav-main{gap:20px;}
  .status-badge{display:none;}
  .cta-dark{padding:38px 30px;}
  .cta-dark-text h2{font-size:26px;}
}

@media screen and (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-main{
    position:fixed;
    top:0;right:0;
    width:300px;
    height:100vh;
    padding:88px 24px 32px;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    margin-left:0;
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    z-index:80;
    box-shadow:-14px 0 40px rgba(20,16,43,.16);
    overflow-y:auto;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-main a{
    width:100%;
    font-size:16px;
    padding:14px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-main a::after{display:none;}
  .nav-main a.active{color:var(--brand);}
  .nav-right{margin-left:auto;}
  .cd-right{display:none;}
}

@media screen and (max-width:640px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .section{padding:48px 0;}
  .section-tight{padding:44px 0;}
  .page-banner{padding:46px 0 42px;}
  .banner-sub{font-size:16px;}
  .banner-actions{gap:10px;}
  .banner-actions .btn{width:100%;}
  .banner-stats{gap:22px;}
  .stat-item{min-width:calc(50% - 11px);}
  .stat-num{font-size:24px;}
  .grid-cards,
  .grid-cards.cols-4,
  .grid-cards.cols-2,
  .steps{grid-template-columns:1fr;}
  .channel-row{flex-wrap:wrap;gap:12px;padding:16px 18px;}
  .channel-row:hover{padding-left:18px;}
  .row-meta{white-space:normal;}
  .row-right{width:100%;justify-content:space-between;}
  .cta-dark{padding:30px 22px;border-radius:var(--r-lg);}
  .cta-dark-text h2{font-size:22px;}
  .cta-dark::after{font-size:130px;right:8px;bottom:-26px;}
  .cta-dark-actions{width:100%;}
  .cta-dark-actions .btn{width:100%;}
  .site-footer{margin-top:56px;padding:44px 0 22px;border-radius:24px 24px 0 0;}
  .rec-card{flex-direction:row;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .brand-name{font-size:17px;}
}

/* roulang page: category2 */
:root{
  --brand:#5A31F4;
  --brand-2:#00C2A8;
  --brand-grad:linear-gradient(120deg,#5A31F4,#00C2A8);
  --cta:#FF7A2F;
  --cta-hover:#E9661C;
  --ok:#2BC46B;
  --warn:#E8462F;
  --neutral:#8A85A0;
  --bg:#F6F5FB;
  --surface:#FFFFFF;
  --dark:#14102B;
  --text:#1B1533;
  --muted:#5B5470;
  --line:#E6E3F2;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:16px;
  --radius-input:12px;
  --shadow-sm:0 1px 2px rgba(27,21,51,.04), 0 6px 18px rgba(27,21,51,.06);
  --shadow-lg:0 10px 28px rgba(90,49,244,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color 200ms var(--ease);}
a:hover,a:focus{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-0.01em;color:var(--text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(90,49,244,.35);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 28px;width:100%;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:1024px){.container{padding:0 20px;}}
@media (max-width:640px){.container{padding:0 16px;}}

.section{padding:96px 0;}
@media (max-width:1024px){.section{padding:64px 0;}}
@media (max-width:640px){.section{padding:48px 0;}}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:34px;font-weight:700;position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:var(--brand-grad);
}
.section-head p{margin:14px 0 0;color:var(--muted);font-size:17px;}
@media (max-width:640px){
  .section-head h2{font-size:24px;padding-left:14px;}
  .section-head p{font-size:15px;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 260ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(27,21,51,.08);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover .brand-name{color:var(--brand);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--brand-grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.brand-name{font-size:19px;font-weight:700;color:var(--text);letter-spacing:-0.01em;white-space:nowrap;}

.nav-main{display:flex;align-items:center;gap:4px;margin-left:22px;}
.nav-main a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
}
.nav-main a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;
  background:var(--brand-grad);opacity:0;transform:scaleX(.4);transition:all 220ms var(--ease);
}
.nav-main a:hover{color:var(--text);background:#F4F2FD;}
.nav-main a.active{color:var(--text);}
.nav-main a.active::after{opacity:1;transform:scaleX(1);}

.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:rgba(43,196,107,.12);color:#1E8C4C;
  font-size:13px;font-weight:600;white-space:nowrap;
}
.status-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(43,196,107,.18);}
.status-badge-light{background:rgba(255,255,255,.12);color:#C9F3DC;}
.status-badge-light .dot{box-shadow:0 0 0 3px rgba(43,196,107,.22);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;text-align:center;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 200ms,color 200ms,border-color 200ms;
}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.28);}
.btn-primary:hover,.btn-primary:focus{background:var(--cta-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--text);border-color:#DCD7EF;}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--brand);border-color:transparent;transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(90,49,244,.16);
  background:linear-gradient(#fff,#fff) padding-box,var(--brand-grad) border-box;
}
.btn-ghost-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost-dark:hover,.btn-ghost-dark:focus{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-solid-brand{background:var(--brand);color:#fff;}
.btn-solid-brand:hover,.btn-solid-brand:focus{background:#4A25DE;color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:#F4F2FD;color:var(--brand);}
.nav-mask{
  position:fixed;inset:0;background:rgba(20,16,43,.5);
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms;z-index:190;
}
.drawer-cta{display:none;}

.countdown-bar{background:#F2F0FC;border-top:1px solid var(--line);}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:44px;}
.cd-left{display:flex;align-items:center;gap:12px;}
.cd-label{font-size:13px;color:var(--muted);font-weight:600;}
.cd-group{display:inline-flex;align-items:center;gap:6px;}
.cd-cell{
  display:inline-grid;place-items:center;min-width:34px;height:26px;padding:0 6px;
  background:var(--dark);color:#fff;border-radius:8px;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.cd-sep{color:var(--neutral);font-weight:700;}
.cd-right{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
.cd-right i{color:var(--brand-2);}

@media (max-width:900px){
  .nav-wrap{height:60px;gap:12px;}
  .brand-name{font-size:17px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-right{margin-left:0;gap:8px;}
  .nav-right .status-badge,.nav-right .btn-primary{display:none;}
  .nav-main{
    position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100vh;
    margin:0;padding:84px 22px 28px;flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;box-shadow:-12px 0 32px rgba(20,16,43,.18);
    transform:translateX(102%);transition:transform 300ms var(--ease);z-index:200;overflow-y:auto;
  }
  .nav-main a{padding:14px 12px;font-size:16px;border-radius:12px;}
  .nav-main a::after{left:12px;right:auto;width:22px;bottom:8px;}
  .drawer-cta{display:block;margin-top:auto;padding-top:20px;}
  body.nav-open{overflow:hidden;}
  body.nav-open .nav-main{transform:translateX(0);}
  body.nav-open .nav-mask{opacity:1;visibility:visible;}
  .countdown-bar{display:none;}
}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  min-height:280px;display:flex;align-items:flex-end;
  background-image:linear-gradient(120deg,rgba(20,16,43,.86),rgba(90,49,244,.62)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.35;pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;padding-top:56px;padding-bottom:44px;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;
  backdrop-filter:blur(6px);margin-bottom:18px;
}
.page-banner h1{
  color:#fff;font-size:42px;font-weight:800;letter-spacing:-0.02em;line-height:1.2;
  max-width:820px;
}
.page-banner .banner-sub{color:rgba(255,255,255,.82);font-size:17px;margin:14px 0 0;max-width:660px;}
.banner-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.banner-stat{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:16px;padding:10px 18px;backdrop-filter:blur(6px);
}
.banner-stat strong{
  display:block;color:#fff;font-size:24px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.banner-stat span{color:rgba(255,255,255,.75);font-size:12.5px;}
@media (max-width:900px){
  .page-banner h1{font-size:32px;}
  .page-banner .banner-sub{font-size:15px;}
  .banner-stat strong{font-size:20px;}
}
@media (max-width:640px){
  .page-banner{min-height:auto;}
  .page-banner .container{padding-top:40px;padding-bottom:32px;}
  .page-banner h1{font-size:25px;}
  .banner-stat{padding:8px 14px;}
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;font-size:13.5px;color:var(--muted);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#C6C1DA;}
.crumbs a{color:var(--muted);font-weight:600;}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--text);font-weight:700;}

/* ---------- 数据带 ---------- */
.metrics-band{padding:40px 0 0;}
.metrics-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:26px 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.metric{text-align:left;padding-right:18px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;padding-right:0;}
.metric b{
  display:block;font-size:28px;font-weight:800;line-height:1.2;color:var(--text);
  font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.metric b em{font-style:normal;font-size:15px;font-weight:700;color:var(--muted);margin-left:4px;}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:4px;}
@media (max-width:900px){
  .metrics-card{grid-template-columns:repeat(2,1fr);gap:18px;}
  .metric:nth-child(2){border-right:0;padding-right:0;}
}
@media (max-width:640px){
  .metrics-card{padding:20px;grid-template-columns:1fr 1fr;}
  .metric b{font-size:22px;}
}

/* ---------- 特色卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(90,49,244,.3);}
.feature-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(90,49,244,.12),rgba(0,194,168,.16));
  color:var(--brand);font-size:18px;margin-bottom:16px;
}
.feature-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}
@media (max-width:1024px){.feature-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.feature-grid{grid-template-columns:1fr;}}

/* ---------- 合集卡网格 ---------- */
.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.collection-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms;
}
.collection-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(90,49,244,.3);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EEEBF9;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.collection-card:hover .card-media img{transform:scale(1.03);}
.card-index{
  position:absolute;top:14px;left:14px;width:38px;height:38px;border-radius:12px;
  background:rgba(20,16,43,.72);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;backdrop-filter:blur(4px);
}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(90,49,244,.1);color:#4A25DE;
}
.tag-teal{background:rgba(0,194,168,.12);color:#00806E;}
.tag-amber{background:rgba(255,122,47,.13);color:#C45510;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.card-body h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--brand);}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0 0 18px;}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.card-meta span{display:inline-flex;align-items:center;gap:6px;}
.card-meta .meta-arrow{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);transition:all 220ms var(--ease);
}
.collection-card:hover .meta-arrow{background:var(--brand);border-color:var(--brand);color:#fff;}
@media (max-width:1024px){.collection-grid{grid-template-columns:repeat(2,1fr);gap:22px;}}
@media (max-width:640px){.collection-grid{grid-template-columns:1fr;gap:18px;}}

/* ---------- 适用场景 ---------- */
.scene-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.scene-media{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-sm);background:#EEEBF9;}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-list{display:flex;flex-direction:column;gap:14px;}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:transform 220ms var(--ease),border-color 220ms,box-shadow 220ms;
}
.scene-item:hover{transform:translateY(-3px);border-color:rgba(90,49,244,.3);box-shadow:var(--shadow-lg);}
.scene-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;font-weight:800;font-size:14px;color:var(--brand);
  font-variant-numeric:tabular-nums;background:#F6F5FB;
}
.scene-item h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.scene-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}
@media (max-width:1024px){
  .scene-wrap{grid-template-columns:1fr;gap:28px;}
  .scene-media{aspect-ratio:16/9;}
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform 220ms var(--ease),box-shadow 220ms,border-color 220ms;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(90,49,244,.3);}
.step-num{
  width:44px;height:44px;border-radius:14px;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}
@media (max-width:1024px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.steps{grid-template-columns:1fr;}}

/* ---------- 深色 CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;background:var(--dark);
  border-radius:var(--radius-xl);padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 40px rgba(20,16,43,.22);
}
.cta-block::before{
  content:"9";position:absolute;right:24px;bottom:-48px;
  font-size:230px;font-weight:800;color:#fff;opacity:.06;line-height:1;pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:600px;}
.cta-text h2{color:#fff;font-size:30px;font-weight:700;letter-spacing:-0.01em;}
.cta-text p{color:rgba(255,255,255,.72);font-size:15.5px;margin:12px 0 0;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:900px){
  .cta-block{flex-direction:column;align-items:flex-start;padding:36px 26px;}
  .cta-text h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color 220ms,box-shadow 220ms;
}
.faq-item:hover{border-color:rgba(90,49,244,.28);}
.faq-item.is-open{border-color:rgba(90,49,244,.38);box-shadow:var(--shadow-lg);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.55;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  background:#F2F0FC;color:var(--brand);display:grid;place-items:center;
  font-size:13px;transition:transform 240ms var(--ease),background 220ms,color 220ms;
}
.faq-item.is-open .faq-icon{transform:rotate(135deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.faq-a-inner{padding:0 22px 22px;font-size:16px;line-height:1.9;color:var(--muted);}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.rec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms,border-color 220ms;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(90,49,244,.3);}
.rec-card .card-media{aspect-ratio:16/10;}
.rec-body{padding:16px 18px 18px;}
.rec-body h3{font-size:16px;font-weight:600;margin-bottom:8px;}
.rec-body h3 a{color:var(--text);}
.rec-body h3 a:hover{color:var(--brand);}
.rec-body p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7;}
@media (max-width:1024px){
  .rec-grid{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .rec-card{flex:0 0 260px;scroll-snap-align:start;}
}
@media (max-width:640px){.rec-card{flex:0 0 232px;}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  border-radius:32px 32px 0 0;margin-top:24px;padding:64px 0 0;
}
.foot-grid{row-gap:36px;}
.foot-brand .brand-name{color:#fff;}
.foot-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);margin:16px 0 18px;max-width:320px;}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{
  color:rgba(255,255,255,.68);font-size:15px;display:inline-block;
  transition:color 200ms var(--ease),transform 200ms var(--ease);
}
.foot-col a:hover,.foot-col a:focus{color:var(--brand-2);transform:translateX(2px);}
.foot-bottom{
  margin-top:52px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.75);
  font-size:13.5px;font-weight:600;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  transition:all 220ms var(--ease);
}
.to-top:hover,.to-top:focus{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px);}
@media (max-width:640px){
  .site-footer{border-radius:24px 24px 0 0;padding-top:44px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 560ms var(--ease),transform 560ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Foundation 覆盖 ---------- */
.grid-x{margin-left:-10px;margin-right:-10px;}
.grid-x>.cell{padding-left:10px;padding-right:10px;}
.button{font-family:var(--font);}
[type=text],[type=email],[type=search],textarea{border-radius:var(--radius-input);}

/* roulang page: category3 */
:root{
  --brand:#5A31F4;
  --brand-2:#00C2A8;
  --grad:linear-gradient(120deg,#5A31F4,#00C2A8);
  --cta:#FF7A2F;
  --cta-hover:#E9661C;
  --ok:#2BC46B;
  --warn:#E8462F;
  --neutral:#8A85A0;
  --bg:#F6F5FB;
  --card:#FFFFFF;
  --dark:#14102B;
  --text:#1B1533;
  --muted:#5B5470;
  --line:#E6E3F2;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:16px;
  --radius-xs:12px;
  --shadow:0 1px 2px rgba(27,21,51,.04),0 6px 18px rgba(27,21,51,.06);
  --shadow-hover:0 10px 28px rgba(90,49,244,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--text);font-family:inherit;line-height:1.3}
h1{font-size:48px;font-weight:800;line-height:1.2;letter-spacing:-.02em}
h2{font-size:34px;font-weight:700;letter-spacing:-.015em}
h3{font-size:22px;font-weight:600;line-height:1.45}
h4{font-size:18px;font-weight:600;line-height:1.5}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 28px;
}
@media (min-width:1440px){
  .container{max-width:1280px}
}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head h2{position:relative;padding-left:20px}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:5px;border-radius:4px;
  background:var(--grad);
}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16.5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background .2s,color .2s,border-color .2s;
}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.26)}
.btn-primary:hover{background:var(--cta-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--text);border-color:#DCD7EF}
.btn-ghost:hover{color:var(--brand);border-color:rgba(90,49,244,.55);transform:translateY(-2px);box-shadow:0 10px 22px rgba(90,49,244,.12)}
.btn-line{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.42)}
.btn-line:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(90,49,244,.32);
  outline-offset:2px;
  border-radius:999px;
}

/* ---------- 徽章 ---------- */
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 13px;
  border-radius:999px;
  background:rgba(43,196,107,.12);
  color:#1E8B4C;
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.status-badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 4px rgba(43,196,107,.18);
}
.status-badge-light{background:rgba(255,255,255,.1);color:#B9F2DA}
.status-badge-light .dot{background:#3EE08E;box-shadow:0 0 0 4px rgba(62,224,142,.16)}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(90,49,244,.09);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
}
.tag-teal{background:rgba(0,194,168,.12);color:#0A8E7C}
.tag-orange{background:rgba(255,122,47,.12);color:#C45612}
.tag-gray{background:rgba(138,133,160,.14);color:#5B5470}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(27,21,51,.09)}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  color:var(--text);
  font-weight:700;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:20px;
  font-weight:800;
  letter-spacing:0;
  box-shadow:0 6px 16px rgba(90,49,244,.28);
}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-main{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1;
  justify-content:center;
}
.nav-main a{
  position:relative;
  padding:6px 0;
  font-size:16px;
  font-weight:600;
  color:var(--muted);
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:3px;
  border-radius:3px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-main a:hover{color:var(--text)}
.nav-main a:hover::after,
.nav-main a.active::after{transform:scaleX(1)}
.nav-main a.active{color:var(--brand)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:18px;
  cursor:pointer;
  transition:background .2s,color .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(90,49,244,.06);border-color:rgba(90,49,244,.3);color:var(--brand)}

.countdown-bar{
  height:44px;
  background:linear-gradient(90deg,rgba(90,49,244,.06),rgba(0,194,168,.09));
  border-top:1px solid var(--line);
}
.countdown-inner{
  height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.cd-left{display:flex;align-items:center;gap:14px;min-width:0}
.cd-label{font-size:13.5px;font-weight:600;color:var(--muted);white-space:nowrap}
.cd-group{display:inline-flex;align-items:center;gap:5px}
.cd-cell{
  min-width:36px;
  padding:2px 8px;
  border-radius:8px;
  background:var(--dark);
  color:#fff;
  font-size:15px;
  font-weight:700;
  text-align:center;
  font-variant-numeric:tabular-nums;
  line-height:1.5;
}
.cd-sep{color:var(--muted);font-weight:700}
.cd-right{font-size:13px;color:var(--muted);white-space:nowrap}
.cd-right i{margin-right:5px;color:var(--brand-2)}

.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(20,16,43,.5);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s var(--ease);
  z-index:1100;
}
.nav-mask.show{opacity:1;pointer-events:auto}

/* ---------- 分类页紧凑标题区 ---------- */
.page-head{
  position:relative;
  padding:56px 0 52px;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(246,245,251,.96),rgba(246,245,251,.88) 52%,rgba(246,245,251,.7));
}
.page-head .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:9px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);font-weight:600}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:11px;color:#B7B1CC}
.breadcrumb .current{color:var(--brand);font-weight:700}
.page-head h1{max-width:860px}
.page-head h1 span{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-lead{
  margin-top:18px;
  max-width:700px;
  font-size:17px;
  color:var(--muted);
}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.stat-item{min-width:104px}
.stat-num{
  display:block;
  font-size:28px;
  font-weight:800;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--text);
}
.stat-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--muted);margin-left:3px}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* ---------- 左右布局 ---------- */
.layout-gap{margin-top:0}
.rules-layout{margin:0 -14px}
.rules-layout > .cell{padding:0 14px}
.sidebar{
  position:sticky;
  top:132px;
  align-self:flex-start;
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow);
  margin-bottom:20px;
}
.side-card h3{
  font-size:17px;
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:16px;
}
.side-card h3 i{color:var(--brand)}
.toc-list li + li{margin-top:4px}
.toc-list a{
  display:flex;
  align-items:center;
  gap:11px;
  padding:10px 12px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.toc-list a:hover{
  background:rgba(90,49,244,.07);
  color:var(--brand);
  transform:translateX(2px);
}
.toc-num{
  width:26px;height:26px;
  flex:0 0 26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  border:1px solid var(--line);
  background:#FAF9FE;
  font-size:12.5px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.side-thumb{
  aspect-ratio:16/10;
  border-radius:var(--radius-sm);
  overflow:hidden;
  margin-bottom:18px;
  background:#EFEDF8;
}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-meta{display:flex;flex-direction:column;gap:10px}
.side-meta-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:var(--muted);
  padding-bottom:10px;
  border-bottom:1px dashed var(--line);
}
.side-meta-row:last-child{border-bottom:0;padding-bottom:0}
.side-meta-row strong{color:var(--text);font-variant-numeric:tabular-nums}
.side-note{
  background:linear-gradient(120deg,rgba(90,49,244,.08),rgba(0,194,168,.09));
  border:1px dashed rgba(90,49,244,.28);
  border-radius:var(--radius-sm);
  padding:18px;
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
}

/* ---------- 手风琴 ---------- */
.acc-intro{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.acc-intro h2{font-size:26px}
.acc-list{display:flex;flex-direction:column;gap:14px}
.acc-group{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.acc-group:hover{border-color:rgba(90,49,244,.3)}
.acc-group.open{border-color:rgba(90,49,244,.34);box-shadow:var(--shadow-hover)}
.acc-head{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 24px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  color:var(--text);
  font-size:18px;
  font-weight:600;
  line-height:1.5;
}
.acc-index{
  width:36px;height:36px;
  flex:0 0 36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:rgba(90,49,244,.08);
  color:var(--brand);
  font-size:14px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.acc-group.open .acc-index{background:var(--grad);color:#fff}
.acc-title{flex:1}
.acc-count{
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  background:#F4F2FB;
  border-radius:999px;
  padding:3px 12px;
  white-space:nowrap;
}
.acc-icon{
  width:30px;height:30px;
  flex:0 0 30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#F4F2FB;
  color:var(--muted);
  font-size:13px;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.acc-group.open .acc-icon{transform:rotate(45deg);background:rgba(90,49,244,.1);color:var(--brand)}
.acc-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.acc-body{
  padding:2px 24px 26px 76px;
  border-top:1px solid var(--line);
  margin-top:0;
}
.acc-body ul{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.acc-body li{
  position:relative;
  padding-left:22px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}
.acc-body li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:3px;
  background:var(--grad);
}
.acc-body li strong{color:var(--text);font-weight:700}

/* ---------- 速查卡 ---------- */
.kp-grid{margin:0 -14px}
.kp-grid > .cell{padding:0 14px;margin-bottom:24px}
.kp-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  height:100%;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.kp-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(90,49,244,.3);
}
.kp-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:32px;
  border-radius:10px;
  border:1px solid rgba(90,49,244,.22);
  color:var(--brand);
  font-size:14px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.kp-card h3{font-size:20px;margin-bottom:10px}
.kp-card p{font-size:15.5px;color:var(--muted);flex:1}
.kp-bar{
  height:6px;
  border-radius:999px;
  background:#EFEDF8;
  overflow:hidden;
  margin:20px 0 12px;
}
.kp-bar span{
  display:block;
  height:100%;
  border-radius:999px;
  background:var(--grad);
}
.kp-meta{font-size:13px;color:var(--muted)}

/* ---------- 对比清单 ---------- */
.cmp-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.cmp-head,.cmp-row{
  display:grid;
  grid-template-columns:1.1fr 1.4fr 1fr;
  gap:18px;
  padding:18px 24px;
  align-items:center;
}
.cmp-head{
  background:#FAF9FE;
  border-bottom:1px solid var(--line);
  font-size:13.5px;
  font-weight:700;
  color:var(--muted);
  letter-spacing:.02em;
}
.cmp-row{
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  transition:background .2s var(--ease);
}
.cmp-row:last-child{border-bottom:0}
.cmp-row:hover{background:rgba(90,49,244,.045)}
.cmp-row .cmp-k{font-weight:700;color:var(--text)}
.cmp-row .cmp-v{color:var(--muted)}
.cmp-row .cmp-loc{color:var(--brand);font-weight:600}

/* ---------- 参与流程 ---------- */
.flow-sec{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-list{margin-top:28px;display:flex;flex-direction:column;gap:18px}
.flow-item{display:flex;gap:16px;align-items:flex-start}
.flow-num{
  width:40px;height:40px;
  flex:0 0 40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:var(--grad);
  color:#fff;
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(90,49,244,.22);
}
.flow-item h4{margin-bottom:4px}
.flow-item p{font-size:15.5px;color:var(--muted)}
.flow-img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-item:hover{border-color:rgba(90,49,244,.3)}
.faq-item.open{border-color:rgba(90,49,244,.34);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
}
.faq-q span{flex:1}
.faq-q i{
  width:28px;height:28px;
  flex:0 0 28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#F4F2FB;
  color:var(--muted);
  font-size:12px;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-item.open .faq-q i{transform:rotate(45deg);background:rgba(90,49,244,.1);color:var(--brand)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s var(--ease);
}
.faq-a p{
  padding:0 22px 22px 22px;
  font-size:16px;
  line-height:1.9;
  color:var(--muted);
}

/* ---------- 深色 CTA ---------- */
.cta-block{
  position:relative;
  background:var(--dark);
  border-radius:28px;
  padding:52px 48px;
  overflow:hidden;
}
.cta-block::after{
  content:"9";
  position:absolute;
  right:24px;
  bottom:-70px;
  font-size:280px;
  font-weight:800;
  color:#fff;
  opacity:.07;
  line-height:1;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-text{max-width:620px}
.cta-text h2{color:#fff;font-size:30px}
.cta-text p{margin-top:14px;color:#B9B3D0;font-size:16px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 返回入口 ---------- */
.back-home{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 32px;
  box-shadow:var(--shadow);
}
.back-home h3{font-size:20px}
.back-home p{margin-top:6px;font-size:15px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  margin-top:96px;
  padding:72px 0 30px;
  border-radius:32px 32px 0 0;
  color:#B9B3D0;
}
.site-footer .brand{color:#fff}
.site-footer .brand-name{color:#fff}
.foot-grid{margin:0 -14px}
.foot-grid > .cell{padding:0 14px}
.foot-brand .brand{margin-bottom:20px}
.foot-desc{font-size:15px;line-height:1.8;color:#9A93B8;max-width:320px;margin-bottom:20px}
.foot-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:18px;
}
.foot-col ul li + li{margin-top:11px}
.foot-col a{
  color:#9A93B8;
  font-size:15px;
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.foot-col a:hover{color:var(--brand-2);transform:translateX(2px)}
.foot-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#8A83A8;
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:#B9B3D0;
  font-weight:600;
}
.to-top:hover{color:var(--brand-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-main{gap:20px}
  .brand-name{font-size:18px}
}
@media (max-width:1024px){
  h1{font-size:38px}
  h2{font-size:28px}
  .section{padding:68px 0}
  .page-head{padding:44px 0 42px}
  .sidebar{position:static;order:-1;margin-bottom:28px}
  .acc-body{padding-left:24px}
  .cta-block{padding:42px 30px}
  .cta-text h2{font-size:26px}
}
@media (max-width:900px){
  .container{padding:0 20px}
  .nav-toggle{display:inline-flex}
  .nav-main{
    position:fixed;
    top:0;right:0;
    width:300px;
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:96px 22px 32px;
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    z-index:1200;
    box-shadow:-14px 0 44px rgba(20,16,43,.2);
    overflow-y:auto;
  }
  .nav-main.open{transform:translateX(0)}
  .nav-main a{
    width:100%;
    padding:15px 4px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-main a::after{display:none}
  .nav-main a.active{color:var(--brand)}
  .nav-right .status-badge{display:none}
  .stat-row{gap:24px}
  .stat-num{font-size:24px}
  .cmp-head{display:none}
  .cmp-row{grid-template-columns:1fr;gap:6px;padding:16px 20px}
  .cmp-row .cmp-v::before{content:"口径：";color:#B7B1CC;font-size:13px;margin-right:4px}
  .cmp-row .cmp-loc::before{content:"位置：";color:#B7B1CC;font-size:13px;margin-right:4px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  h4{font-size:17px}
  .section{padding:48px 0}
  .page-head{padding:34px 0 34px}
  .page-lead{font-size:16px}
  .nav-wrap{height:60px}
  .brand-mark{width:34px;height:34px;font-size:18px}
  .brand-name{font-size:16px}
  .nav-right .btn-primary{display:none}
  .cd-label{display:none}
  .cd-right{display:none}
  .stat-row{gap:20px;padding-top:20px;margin-top:26px}
  .stat-item{min-width:88px}
  .stat-num{font-size:22px}
  .acc-head{padding:16px 16px;font-size:16px;gap:12px}
  .acc-count{display:none}
  .acc-index{width:32px;height:32px;flex:0 0 32px}
  .acc-body{padding:0 16px 20px 16px;font-size:15px}
  .acc-body li{font-size:15px}
  .side-card{padding:20px}
  .kp-card{padding:22px 20px}
  .cta-block{padding:34px 22px;border-radius:24px}
  .cta-text h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:140px}
  .back-home{padding:22px 20px}
  .site-footer{margin-top:64px;padding:52px 0 26px;border-radius:24px 24px 0 0}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}
.foot-grid > .foot-col{margin-bottom:32px}
@media (min-width:1025px){
  .foot-grid > .foot-col{margin-bottom:0}
  .foot-grid > .foot-brand{margin-bottom:0}
}