/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#7A3BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB23F;
  --grad:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 52%,#FFB23F 100%);
  --grad-soft:linear-gradient(135deg,rgba(122,59,255,.10),rgba(255,77,141,.10));
  --mint:#16D3A5;
  --yellow:#FFCC4D;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --dark:#120B22;
  --text:#1B1230;
  --text-2:#5B5470;
  --text-3:#8E88A3;
  --line:rgba(27,18,48,.08);
  --stroke:rgba(122,59,255,.12);
  --r-xs:12px;
  --r-sm:16px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-soft:0 4px 14px rgba(27,18,48,.05);
  --sh-card:0 18px 40px -12px rgba(122,59,255,.18);
  --sh-lift:0 26px 60px -18px rgba(255,77,141,.28);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
.num{font-family:"Inter","Barlow",system-ui,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 布局容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-title{
  font-size:clamp(26px,3.4vw,38px);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
}
.section-desc{
  margin-top:12px;
  color:var(--text-2);
  font-size:16px;
  max-width:640px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.02em;
  font-weight:600;
  color:var(--brand);
  background:rgba(122,59,255,.08);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--grad);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  transition:color .24s var(--ease);
}
.text-link .arrow{transition:transform .24s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}
.text-link:hover{color:var(--brand-2);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:14px 28px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  letter-spacing:.01em;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh-card);
}
.btn-primary:hover{
  filter:brightness(1.04);
  transform:translateY(-2px);
  box-shadow:var(--sh-lift);
}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border:1px solid var(--stroke);
  box-shadow:var(--sh-soft);
}
.btn-ghost:hover{
  background:rgba(122,59,255,.07);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 标签 / 徽章 ============ */
.pill{
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  padding:5px 12px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(122,59,255,.10);
  color:var(--brand);
  white-space:nowrap;
}
.pill-mint{background:rgba(22,211,165,.14);color:#0E9C7C;}
.pill-orange{background:rgba(255,178,63,.18);color:#B2740F;}
.pill-gray{background:rgba(27,18,48,.06);color:var(--text-2);}
.pill-gradient{background:var(--grad);color:#fff;}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(246,244,255,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:height .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{
  height:64px;
  background:rgba(255,255,255,.94);
  box-shadow:0 8px 26px -14px rgba(27,18,48,.22);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  width:100%;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-dot{
  width:14px;height:14px;
  border-radius:50%;
  background:var(--grad);
  box-shadow:0 0 0 4px rgba(122,59,255,.10);
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-line1{font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--text);}
.logo-line2{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.02em;}

.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:14px;
}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}

.header-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--dark);
  color:#fff;
  border-radius:999px;
  padding:8px 14px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(22,211,165,.22);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;}
  50%{opacity:.45;}
}
.status-label{color:rgba(255,255,255,.78);}
.status-time{
  font-family:"Inter",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-weight:600;
  color:var(--yellow);
}
.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;height:42px;
  border-radius:12px;
  background:#fff;
  border:1px solid var(--stroke);
  padding:0 11px;
}
.menu-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:99;
  background:#fff;
  padding:88px 24px 120px;
  display:none;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
  opacity:0;
  transform:translateY(-12px);
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.mobile-drawer.show{opacity:1;transform:translateY(0);}
.mobile-drawer .drawer-link{
  font-size:22px;
  font-weight:700;
  padding:18px 4px;
  border-bottom:1px solid var(--line);
  color:var(--text);
}
.mobile-drawer .drawer-link.active{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.drawer-cta{
  position:fixed;
  left:24px;right:24px;bottom:24px;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:150px 0 96px;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(560px 440px at 10% 16%,rgba(122,59,255,.20),transparent 70%),
    radial-gradient(500px 420px at 88% 4%,rgba(255,77,141,.18),transparent 72%),
    radial-gradient(460px 380px at 66% 96%,rgba(255,178,63,.16),transparent 74%);
  filter:blur(8px);
  pointer-events:none;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(27,18,48,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(27,18,48,.045) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(circle at 50% 36%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 50% 36%,#000,transparent 76%);
}
.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:58% 42%;
  gap:48px;
  align-items:center;
}
.hero-title{
  font-size:clamp(34px,5vw,60px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.hero-title .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:18px;
  line-height:1.8;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.hero-stats{
  display:flex;
  gap:36px;
  flex-wrap:wrap;
}
.mini-stat{display:flex;flex-direction:column;gap:4px;}
.mini-num{
  font-size:26px;
  font-weight:800;
  line-height:1.1;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.mini-label{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-3);
}
.mini-label::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--mint);
  flex-shrink:0;
}
.hero-visual{position:relative;}
.hero-card{
  padding:6px;
  border-radius:var(--r-xl);
  background:var(--grad);
  box-shadow:var(--sh-card);
}
.hero-card img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:26px;
}
.floating-badge{
  position:absolute;
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:#fff;
  border-radius:999px;
  padding:9px 16px;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  box-shadow:0 14px 32px -12px rgba(27,18,48,.28);
  animation:floaty 5s ease-in-out infinite;
}
.floating-badge::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--mint);
}
.floating-badge.badge-a{top:24px;left:-18px;}
.floating-badge.badge-b{
  bottom:32px;right:-14px;
  animation-delay:1.6s;
}
.floating-badge.badge-b::before{background:var(--brand-3);}
@keyframes floaty{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-8px);}
}

/* ============ 品牌主张条 ============ */
.claim-bar{
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-soft);
  border:1px solid var(--line);
  padding:26px 32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.claim-item{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.claim-item svg{flex-shrink:0;}
.claim-item .claim-sub{
  display:block;
  font-size:12px;
  font-weight:400;
  color:var(--text-3);
  margin-top:2px;
}

/* ============ 故事 / 理念双栏 ============ */
.story-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.story-grid + .story-grid{margin-top:72px;}
.story-grid.reverse .story-media{order:2;}
.story-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:28px;
  box-shadow:var(--sh-card);
}
.story-body h3{
  font-size:24px;
  font-weight:700;
  margin-bottom:16px;
  line-height:1.4;
}
.story-body p{
  color:var(--text-2);
  font-size:16px;
  margin-bottom:14px;
}
.story-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.story-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--text-2);
}
.story-list li::before{
  content:"";
  width:18px;height:2px;
  border-radius:2px;
  background:var(--grad);
  margin-top:14px;
  flex-shrink:0;
}

/* ============ 精选内容 ============ */
.pick-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.pick-main{
  grid-column:span 7;
}
.pick-side{
  grid-column:span 5;
  display:flex;
  flex-direction:column;
  gap:24px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-soft);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.card:hover{
  transform:translateY(-6px);
  box-shadow:var(--sh-card);
  border-color:var(--stroke);
}
.card-media{overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0;}
.card-media img{
  width:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{
  font-size:20px;
  font-weight:700;
  line-height:1.45;
  transition:color .3s var(--ease);
}
.card:hover .card-title{color:var(--brand);}
.card-desc{
  font-size:15px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:6px;
  font-size:13px;
  color:var(--text-3);
}
.card-foot .arrow{color:var(--brand);transition:transform .28s var(--ease);}
.card:hover .card-foot .arrow{transform:translateX(4px);}
.pick-main .card-media img{aspect-ratio:16/9;}
.pick-side .card-media img{aspect-ratio:4/3;}
.pick-side .card-body{padding:18px 20px 20px;}
.pick-side .card-title{font-size:17px;}

/* ============ 最新信息 CMS 区 ============ */
.news-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.news-item{
  display:flex;
  gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-soft);
  padding:16px;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.news-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-card);
  border-color:var(--stroke);
}
.news-thumb{flex-shrink:0;}
.news-thumb img{
  width:160px;
  height:110px;
  object-fit:cover;
  border-radius:16px;
}
.news-body{
  display:flex;
  flex-direction:column;
  gap:8px;
  min-width:0;
  flex:1;
}
.news-title{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .28s var(--ease);
}
.news-item:hover .news-title{color:var(--brand);}
.news-summary{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}
.news-date{font-family:"Inter",system-ui,sans-serif;font-variant-numeric:tabular-nums;}
.news-empty{
  grid-column:1 / -1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:52px 24px;
  background:#fff;
  border:1px dashed var(--stroke);
  border-radius:20px;
  color:var(--text-2);
  font-size:15px;
}
.news-empty img{
  width:96px;
  height:96px;
  object-fit:cover;
  border-radius:20px;
  opacity:.9;
}

/* ============ 信任数据 ============ */
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.trust-card{
  background:rgba(122,59,255,.06);
  border-radius:var(--r-lg);
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.trust-card:hover{transform:translateY(-4px);background:rgba(122,59,255,.10);}
.trust-num{
  font-size:30px;
  font-weight:800;
  line-height:1.1;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.trust-label{
  font-size:14px;
  color:var(--text-2);
}
.trust-note{
  margin-top:28px;
  font-size:15px;
  color:var(--text-2);
  max-width:820px;
}

/* ============ FAQ ============ */
.faq-wrap{
  max-width:760px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-soft);
  overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item[open]{
  border-color:var(--stroke);
  box-shadow:var(--sh-card);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 24px;
  font-size:17px;
  font-weight:600;
  position:relative;
  transition:color .3s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--grad);
  opacity:0;
  transition:opacity .3s var(--ease);
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::before{opacity:1;}
.faq-num{
  font-family:"Inter",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:14px;
  font-weight:700;
  color:var(--text-3);
  flex-shrink:0;
}
.faq-item[open] .faq-num{color:var(--brand-2);}
.faq-plus{
  margin-left:auto;
  width:22px;height:22px;
  position:relative;
  flex-shrink:0;
}
.faq-plus::before,.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--text-3);
  border-radius:2px;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-plus::before{left:0;right:0;top:10px;height:2px;}
.faq-plus::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item[open] .faq-plus::after{transform:scaleY(0);}
.faq-item[open] .faq-plus::before{background:var(--brand);}
.faq-answer{
  padding:0 24px 24px 62px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}

/* ============ 订阅 CTA ============ */
.cta-band{
  background:var(--dark);
  border-radius:var(--r-xl);
  padding:56px 56px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:360px;height:360px;
  border-radius:50%;
  background:var(--grad);
  opacity:.28;
  filter:blur(60px);
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:12px;
}
.cta-band p{
  color:rgba(255,255,255,.66);
  font-size:15px;
}
.cta-form{
  display:flex;
  gap:12px;
}
.cta-form input{
  flex:1;
  background:#fff;
  border:1px solid transparent;
  border-radius:16px;
  padding:14px 18px;
  font-size:15px;
  color:var(--text);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{
  outline:none;
  background:#fff;
  box-shadow:0 0 0 3px rgba(22,211,165,.55);
}
.privacy-note{
  margin-top:12px;
  font-size:12.5px;
  color:rgba(255,255,255,.48);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:#fff;
  margin-top:96px;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .logo-line1{color:#fff;}
.footer-brand .logo-line2{color:rgba(255,255,255,.5);}
.footer-desc{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.6);
  margin-bottom:20px;
  max-width:340px;
}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;}
.footer-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.07);
  border-radius:999px;
  padding:6px 14px;
  font-size:12.5px;
  color:rgba(255,255,255,.78);
}
.footer-badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--mint);
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  color:#fff;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.6);
  transition:color .24s var(--ease),transform .24s var(--ease);
  display:inline-block;
}
.footer-col a:hover{
  color:#fff;
  transform:translateX(2px);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 32px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom p{line-height:1.8;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-inner{gap:36px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .header-right .status-pill{display:none;}
  .mobile-drawer{display:flex;}
  .hero{padding:128px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-title{max-width:100%;}
  .floating-badge.badge-a{left:8px;}
  .floating-badge.badge-b{right:8px;}
  .claim-bar{grid-template-columns:repeat(2,1fr);}
  .section{padding:72px 0;}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .story-grid.reverse .story-media{order:0;}
  .pick-grid{grid-template-columns:repeat(6,1fr);}
  .pick-main{grid-column:span 6;}
  .pick-side{grid-column:span 6;flex-direction:row;}
  .pick-side .card{flex:1;}
  .news-list{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:44px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .site-header{height:60px;}
  .site-header.scrolled{height:60px;}
  .hero{padding:112px 0 56px;}
  .hero-title{font-size:clamp(30px,8vw,40px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1;justify-content:center;}
  .hero-stats{gap:24px;}
  .mini-num{font-size:22px;}
  .claim-bar{grid-template-columns:1fr;padding:22px;}
  .pick-side{flex-direction:column;}
  .news-item{flex-direction:column;}
  .news-thumb img{width:100%;height:170px;}
  .trust-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .trust-card{padding:22px 18px;}
  .trust-num{font-size:24px;}
  .faq-answer{padding-left:24px;}
  .cta-band{padding:36px 24px;border-radius:24px;}
  .cta-form{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .hero-title{font-size:28px;}
  .section-title{font-size:24px;}
  .floating-badge{display:none;}
  .trust-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --brand-1:#7A3BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB23F;
  --grad:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 52%,#FFB23F 100%);
  --mint:#16D3A5;
  --yellow:#FFCC4D;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --dark:#120B22;
  --t1:#1B1230;
  --t2:#5B5470;
  --t3:#8E88A3;
  --line:rgba(27,18,48,.08);
  --stroke:rgba(122,59,255,.12);
  --soft:#F4F0FF;
  --r-s:12px;
  --r-m:16px;
  --r-c:24px;
  --r-l:32px;
  --sh-soft:0 4px 14px rgba(27,18,48,.05);
  --sh-card:0 18px 40px -12px rgba(122,59,255,.18);
  --sh-lift:0 26px 60px -18px rgba(255,77,141,.28);
  --max:1240px;
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Inter","Barlow","SFMono-Regular",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input{font:inherit}
:focus-visible{outline:2px solid #16D3A5;outline-offset:3px;border-radius:6px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-size:15px;font-weight:600;
  letter-spacing:.01em;transition:transform .24s ease,box-shadow .24s ease,background .24s ease,filter .24s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;box-shadow:var(--sh-card);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-lift);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{
  background:#fff;color:var(--brand-1);border:1px solid rgba(122,59,255,.32);box-shadow:var(--sh-soft);
}
.btn-ghost:hover{background:var(--soft);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1);
}
.btn-link .arrow{transition:transform .24s ease}
.btn-link:hover .arrow{transform:translateX(4px)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,255,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 10px 30px -18px rgba(27,18,48,.28);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .28s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-dot{
  width:14px;height:14px;border-radius:50%;background:var(--grad);
  box-shadow:0 0 0 5px rgba(122,59,255,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-line1{font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--brand-1)}
.logo-line2{font-size:12px;font-weight:600;color:var(--t2);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--t2);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover{color:var(--brand-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-1);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.status-pills{display:flex;align-items:center;gap:8px}
.pill-countdown{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--dark);color:#F4EFFF;border-radius:999px;
  padding:6px 14px;font-size:12.5px;letter-spacing:.02em;
}
.pill-countdown b{color:var(--yellow);font-size:13px}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(22,211,165,.18)}
.pill-state{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  background:rgba(22,211,165,.12);color:#0E9E7B;font-size:12.5px;font-weight:600;padding:6px 13px;
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--stroke);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform .24s ease,opacity .24s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0;background:#fff;z-index:120;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:0 24px 32px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:64px;flex-shrink:0}
.drawer-close{width:44px;height:44px;border-radius:12px;background:var(--soft);color:var(--brand-1);font-size:20px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;margin-top:20px;gap:4px}
.drawer-nav a{
  padding:16px 8px;font-size:20px;font-weight:700;color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand-1)}
.drawer-foot{margin-top:auto;padding-top:28px}
.drawer-foot .btn{width:100%}
.drawer-note{margin-top:12px;font-size:12.5px;color:var(--t3);text-align:center}

/* ---------- page hero (article) ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 52px;
  background:
    radial-gradient(720px 320px at 12% -10%,rgba(122,59,255,.18),transparent 68%),
    radial-gradient(620px 300px at 88% 0%,rgba(255,178,63,.16),transparent 66%),
    linear-gradient(180deg,#FFFFFF 0%,rgba(246,244,255,.4) 100%);
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.article-hero-inner{max-width:900px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--t3);margin-bottom:22px;
}
.breadcrumb a{color:var(--t3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:rgba(27,18,48,.24)}
.breadcrumb .current{
  max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t2);
}
.cat-pill{
  display:inline-flex;align-items:center;
  background:var(--soft);color:var(--brand-1);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:6px 16px;border-radius:999px;margin-bottom:16px;
}
.article-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;letter-spacing:-.02em;line-height:1.28;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px;color:var(--t2);font-size:14px}
.meta-divider{width:1px;height:14px;background:var(--line)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-tag{
  display:inline-flex;align-items:center;background:rgba(22,211,165,.12);
  color:#0E9E7B;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;
}

/* ---------- article layout ---------- */
.article-shell{padding:64px 0 24px}
.article-wrap{max-width:820px;margin:0 auto}
.notice-card{
  display:flex;align-items:flex-start;gap:14px;
  background:#fff;border:1px solid var(--stroke);border-radius:var(--r-c);
  padding:18px 22px;box-shadow:var(--sh-soft);margin-bottom:36px;
}
.notice-icon{
  flex-shrink:0;width:34px;height:34px;border-radius:11px;background:var(--grad);
  color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.notice-card p{font-size:14.5px;line-height:1.75;color:var(--t2)}
.notice-card strong{color:var(--t1)}

.prose{font-size:17px;line-height:1.9;color:var(--t1)}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);font-weight:700;
  line-height:1.45;margin:1.9em 0 .8em;padding-left:18px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:22px;border-radius:4px;background:var(--grad);
}
.prose h3{font-size:19px;font-weight:600;color:var(--brand-1);margin:1.6em 0 .55em;line-height:1.5}
.prose a{color:var(--brand-1);border-bottom:1px solid rgba(122,59,255,.28)}
.prose a:hover{color:var(--brand-2);border-bottom-color:rgba(255,77,141,.4)}
.prose strong{font-weight:700}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--soft);
  border-left:4px solid var(--brand-1);border-radius:0 16px 16px 0;
  color:var(--t2);font-size:16px;line-height:1.85;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:0}
.prose li{position:relative;margin:.5em 0;padding-left:22px;line-height:1.85}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--grad);
}
.prose ol{counter-reset:li;padding-left:0}
.prose ol li{padding-left:34px}
.prose ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.28em;width:22px;height:22px;border-radius:8px;
  background:var(--soft);color:var(--brand-1);
  font-family:var(--mono);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.prose img{border-radius:18px;margin:1.6em 0;width:100%;height:auto}
.prose figure{margin:1.6em 0}
.prose figure img{margin:0}
.prose figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;font-size:15px;
  margin:1.6em 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;
}
.prose th,.prose td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.prose th{background:var(--soft);color:var(--t1);font-weight:600;font-size:14.5px}
.prose tbody tr:nth-child(even){background:#FBFAFF}
.prose tbody tr:last-child td{border-bottom:0}
.prose hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.prose code{
  font-family:var(--mono);font-size:14px;background:var(--soft);color:var(--brand-1);
  padding:2px 7px;border-radius:6px;
}
.prose pre{
  background:var(--dark);color:#EFE9FF;padding:20px 22px;border-radius:18px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.prose pre code{background:none;color:inherit;padding:0}

.article-empty{
  background:#fff;border:1px solid var(--stroke);border-radius:var(--r-l);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-soft);
}
.article-empty .empty-mark{
  width:64px;height:64px;border-radius:20px;background:var(--soft);color:var(--brand-1);
  font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-empty p{font-size:15px;color:var(--t2);margin-bottom:24px}

/* ---------- related ---------- */
.section{padding:72px 0}
.section-line{border-top:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;
}
.section-head h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;letter-spacing:-.01em}
.section-head p{font-size:14.5px;color:var(--t2);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  background:#fff;border:1px solid var(--stroke);border-radius:var(--r-c);
  overflow:hidden;box-shadow:var(--sh-soft);
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--sh-card);border-color:rgba(122,59,255,.24)}
.related-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s ease;
}
.related-card:hover .related-body h3{color:var(--brand-1)}
.related-body p{
  font-size:14px;color:var(--t2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--t3)}
.chip{
  display:inline-flex;align-items:center;border-radius:999px;padding:4px 12px;
  font-size:12px;font-weight:600;background:var(--soft);color:var(--brand-1);
}
.chip-mint{background:rgba(22,211,165,.14);color:#0E9E7B}
.chip-orange{background:rgba(255,178,63,.18);color:#B26A00}

/* ---------- prev / next ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;
  background:#fff;border:1px solid var(--stroke);border-radius:20px;
  padding:20px 24px;box-shadow:var(--sh-soft);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.post-nav a:hover{transform:translateY(-4px);box-shadow:var(--sh-card);border-color:rgba(122,59,255,.24)}
.post-nav .label{font-size:12.5px;color:var(--t3);letter-spacing:.04em}
.post-nav .title{
  font-size:15.5px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-nav .next{align-items:flex-end;text-align:right}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-l);
  padding:56px 56px 52px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-inner::after{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;
  background:var(--grad);opacity:.32;filter:blur(70px);
}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
.cta-text p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72)}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .logo-line1{color:#C9B4FF}
.footer-brand .logo-line2{color:rgba(255,255,255,.78)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-badge{
  font-size:12.5px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.76);
}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease,transform .2s ease;display:inline-block;
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.44);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .status-pills{display:none}
  .header-inner{height:60px}
  .site-header.is-scrolled .header-inner{height:60px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-inner{padding:44px 32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-hero{padding:36px 0 38px}
  .article-shell{padding:44px 0 16px}
  .prose{font-size:16px;line-height:1.85}
  .section{padding:56px 0}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{align-items:flex-start;text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:0 0 56px}
  .cta-inner{padding:34px 22px;border-radius:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .breadcrumb .current{max-width:180px}
}
@media (max-width:520px){
  body{font-size:15px}
  .brand .logo-line2{font-size:11px}
  .header-actions .btn-sm{padding:9px 16px;font-size:13px}
  .article-hero h1{font-size:26px}
  .meta-row{font-size:13px;gap:8px}
  .prose h2{padding-left:16px}
  .prose h2::before{height:19px}
  .prose table{font-size:13.5px}
  .prose th,.prose td{padding:10px 12px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category1 */
:root{
  --brand:#7A3BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB23F;
  --mint:#16D3A5;
  --yellow:#FFCC4D;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --dark:#120B22;
  --text:#1B1230;
  --text-2:#5B5470;
  --text-3:#8E88A3;
  --line:rgba(27,18,48,.08);
  --border:rgba(122,59,255,.12);
  --grad:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 55%,#FFB23F 100%);
  --grad-soft:linear-gradient(135deg,rgba(122,59,255,.12),rgba(255,77,141,.10),rgba(255,178,63,.12));
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-soft:0 4px 14px rgba(27,18,48,.05);
  --sh-card:0 18px 40px -12px rgba(122,59,255,.18);
  --sh-lift:0 26px 60px -18px rgba(255,77,141,.28);
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"Barlow","Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:72px;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:8px}
::selection{background:rgba(122,59,255,.18)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-card)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:var(--sh-lift)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(122,59,255,.35);box-shadow:var(--sh-soft)}
.btn-ghost:hover{background:#F1EBFF;transform:translateY(-2px);box-shadow:var(--sh-card)}
.btn-ghost:active{transform:translateY(1px)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14.5px}
.link-arrow span{transition:transform .22s ease}
.link-arrow:hover span{transform:translateX(4px)}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:72px;
  background:rgba(246,244,255,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:height .3s ease,background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  height:64px;
  background:rgba(255,255,255,.95);
  border-bottom-color:var(--line);
  box-shadow:0 8px 28px -14px rgba(27,18,48,.24);
}
.header-inner{max-width:1240px;margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-dot{width:14px;height:14px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(122,59,255,.12);flex-shrink:0}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-line1{font-size:15px;font-weight:800;letter-spacing:.02em;color:var(--text)}
.logo-line2{font-size:11px;letter-spacing:.08em;color:var(--text-3)}

.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:10px}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}

.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--dark);color:#fff;border-radius:999px;
  padding:7px 14px;font-size:13px;line-height:1;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(22,211,165,.22)}
.status-pill .count{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:700;color:var(--yellow);letter-spacing:.04em}

.menu-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  border:1px solid var(--border);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;background:#fff;
  display:flex;flex-direction:column;padding:20px 20px 28px;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:42px;height:42px;border-radius:14px;border:1px solid var(--border);font-size:22px;line-height:1;color:var(--text-2)}
.drawer-link{display:block;padding:16px 4px;font-size:20px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--brand)}
.drawer-cta{margin-top:auto;padding-top:28px}
.drawer-cta .btn{width:100%;height:52px}

/* ============ 分类首屏 ============ */
.cat-hero{position:relative;overflow:hidden;padding:52px 0 60px;background:linear-gradient(135deg,#F1EBFF 0%,#FFF2F7 52%,#FFF7E9 100%)}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.18;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 10% 18%,rgba(122,59,255,.24),transparent 55%),
    radial-gradient(circle at 88% 84%,rgba(255,77,141,.20),transparent 55%);
}
.cat-hero .container{position:relative;z-index:1}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(27,18,48,.24)}
.breadcrumb .current{color:var(--text-2);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.cat-hero h1{
  font-size:clamp(28px,3.8vw,44px);font-weight:800;letter-spacing:-.02em;
  line-height:1.22;max-width:860px;margin-bottom:16px;
}
.cat-hero .lead{max-width:680px;font-size:17px;color:var(--text-2);line-height:1.85}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.82);border:1px solid var(--border);
  border-radius:999px;padding:8px 16px;font-size:13px;color:var(--text-2);
  box-shadow:var(--sh-soft);backdrop-filter:blur(6px);
}
.hero-chip strong{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--brand);font-size:15px}

.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.cat-pill{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;background:#fff;color:var(--brand);
  font-size:14px;font-weight:600;border:1px solid var(--border);
  box-shadow:var(--sh-soft);transition:.22s ease;
}
.cat-pill:hover{background:#F1EBFF;transform:translateY(-2px)}
.cat-pill.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-card)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:740px;margin-bottom:44px}
.section-tag{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand);margin-bottom:14px}
.section-tag::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--grad)}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.01em;line-height:1.28;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}

/* ============ 时间线 ============ */
.timeline-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:start}
.timeline{position:relative}
.timeline-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;padding-bottom:30px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:27px;top:60px;bottom:2px;width:2px;
  background:repeating-linear-gradient(to bottom,rgba(122,59,255,.38) 0 6px,transparent 6px 12px);
}
.timeline-item:last-child::before{display:none}
.timeline-num{
  width:56px;height:56px;border-radius:50%;flex-shrink:0;
  background:#fff;border:1px solid var(--border);box-shadow:var(--sh-soft);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:18px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;position:relative;z-index:1;
}
.timeline-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh-card);transition:transform .28s ease,box-shadow .28s ease;
}
.timeline-body:hover{transform:translateY(-4px);box-shadow:var(--sh-lift)}
.timeline-body h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:8px}
.timeline-body p{color:var(--text-2);font-size:15.5px;line-height:1.8;margin-bottom:14px}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.tag-soft{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:#F1EBFF;color:var(--brand);font-size:12.5px;font-weight:600;line-height:1.6}
.tag-mint{background:rgba(22,211,165,.14);color:#0E9B79}
.tag-orange{background:rgba(255,178,63,.18);color:#B8761A}
.tag-violet{background:rgba(142,136,163,.16);color:#6C6584}
.meta-time{font-family:var(--mono);font-variant-numeric:tabular-nums}

.timeline-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.aside-figure{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-card)}
.aside-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.aside-figure:hover img{transform:scale(1.04)}
.aside-figure figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(18,11,34,.74);color:#fff;border-radius:14px;
  padding:10px 14px;font-size:13px;line-height:1.6;
  backdrop-filter:blur(6px);
}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-soft)}
.aside-card h4{font-size:16px;font-weight:700;margin-bottom:14px}
.aside-list{display:flex;flex-direction:column;gap:12px}
.aside-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.aside-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);flex-shrink:0;margin-top:11px}

/* ============ 排查速查 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.check-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-soft);
  transition:transform .28s ease,box-shadow .28s ease;
}
.check-card:hover{transform:translateY(-6px);box-shadow:var(--sh-card)}
.check-icon{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;
  background:var(--grad-soft);display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:800;font-size:15px;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.check-card h3{font-size:17.5px;font-weight:600;margin-bottom:8px;line-height:1.5}
.check-card p{color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:12px}

/* ============ 设备对照 ============ */
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.device-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease;
}
.device-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lift)}
.device-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.device-card:hover img{transform:scale(1.04)}
.device-card .device-body{padding:26px}
.device-card h3{font-size:21px;font-weight:600;margin-bottom:12px}
.device-card p{color:var(--text-2);font-size:15px;line-height:1.85;margin-bottom:16px}
.device-card ul{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.device-card li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.device-card li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);flex-shrink:0;margin-top:10px}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto}
.faq-item{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);margin-bottom:14px;overflow:hidden;
  transition:box-shadow .24s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--grad);transform:scaleY(0);transform-origin:top;
  transition:transform .24s ease;
}
.faq-item.open::before{transform:scaleY(1)}
.faq-item.open{box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
  transition:color .24s ease;
}
.faq-q .idx{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-3);flex-shrink:0}
.faq-q .chev{margin-left:auto;flex-shrink:0;color:var(--text-3);font-size:18px;transition:transform .24s ease}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q .chev{transform:rotate(45deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px}
.faq-a p{padding:0 0 22px 32px;color:var(--text-2);font-size:15px;line-height:1.9}
.faq-item.open .faq-a{max-height:360px}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:var(--r-xl);padding:56px 52px;
}
.cta-band::before{
  content:"";position:absolute;top:-45%;right:-12%;width:540px;height:540px;
  background:radial-gradient(circle,rgba(122,59,255,.55),transparent 62%);filter:blur(18px);
}
.cta-band::after{
  content:"";position:absolute;bottom:-55%;left:-12%;width:480px;height:480px;
  background:radial-gradient(circle,rgba(255,77,141,.38),transparent 62%);filter:blur(18px);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr 1fr;gap:44px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.35;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85}
.subscribe{
  display:flex;gap:10px;padding:8px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
}
.subscribe input{
  flex:1;min-width:0;height:46px;padding:0 20px;border:none;
  border-radius:999px;background:transparent;color:#fff;outline:none;font-size:15px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.48)}
.subscribe input:focus{background:rgba(255,255,255,.10);outline:2px solid var(--mint);outline-offset:0}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 32px;margin-top:96px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-line1{color:#fff}
.footer-brand .logo-line2{color:rgba(255,255,255,.55)}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-badge{
  font-size:12.5px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.08);
}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{display:inline-block;font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;font-size:13px;color:rgba(255,255,255,.5);line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .timeline-layout{gap:36px}
}
@media (max-width:1023px){
  body{padding-top:60px}
  .site-header{height:60px}
  .site-header.scrolled{height:60px}
  .header-inner{padding:0 20px;gap:16px}
  .main-nav,.header-right .status-pill,.header-right .btn{display:none}
  .menu-toggle{display:flex}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .timeline-layout{grid-template-columns:1fr;gap:32px}
  .timeline-aside{position:static}
  .aside-figure img{aspect-ratio:16/9}
  .device-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .cat-hero{padding:38px 0 46px}
  .cat-hero .lead{font-size:15.5px}
  .cat-tabs{gap:8px;margin-top:22px}
  .cat-pill{height:36px;padding:0 14px;font-size:13px}
  .timeline-item{grid-template-columns:44px 1fr;gap:14px;padding-bottom:22px}
  .timeline-num{width:44px;height:44px;font-size:15px}
  .timeline-item::before{left:21px;top:48px}
  .timeline-body{padding:18px 18px;border-radius:20px}
  .timeline-body h3{font-size:17.5px}
  .check-grid{grid-template-columns:1fr;gap:18px}
  .check-card{padding:20px;gap:14px}
  .faq-a p{padding-left:0}
  .faq-q{font-size:15.5px;padding:18px 18px}
  .cta-band{padding:34px 22px;border-radius:26px}
  .subscribe{flex-direction:column;border-radius:24px;padding:12px}
  .subscribe input{height:42px}
  .subscribe .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:56px 0 28px;margin-top:64px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  body{font-size:15px}
  .cat-hero h1{font-size:26px}
  .section-head h2{font-size:24px}
  .hero-chip{font-size:12.5px;padding:7px 12px}
  .hero-meta{gap:8px}
  .hero-meta .hero-chip:nth-child(n+3){display:none}
}

/* roulang page: category2 */
:root{
  --brand:#7A3BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB23F;
  --grad:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 55%,#FFB23F 100%);
  --mint:#16D3A5;
  --yellow:#FFCC4D;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --dark:#120B22;
  --text:#1B1230;
  --text-2:#5B5470;
  --text-3:#8E88A3;
  --line:rgba(27,18,48,.08);
  --stroke:rgba(122,59,255,.12);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-soft:0 4px 14px rgba(27,18,48,.05);
  --sh-card:0 18px 40px -12px rgba(122,59,255,.18);
  --sh-lift:0 26px 60px -18px rgba(255,77,141,.28);
  --container:1240px;
  --t:.28s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,255,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled{
  background:rgba(255,255,255,.95);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -20px rgba(27,18,48,.45);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height var(--t)}
.site-header.scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-dot{
  position:relative;width:32px;height:32px;border-radius:50%;
  background:var(--grad);
  box-shadow:0 10px 20px -8px rgba(122,59,255,.7);
  flex-shrink:0;
}
.logo-dot::after{content:"";position:absolute;inset:10px;border-radius:50%;background:#fff;opacity:.92}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-line1{font-size:15px;font-weight:800;letter-spacing:.04em}
.logo-line2{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.14em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);background:rgba(122,59,255,.09);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:var(--dark);color:#fff;font-size:13px;letter-spacing:.02em;
}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(22,211,165,.18)}
.countdown-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,204,77,.2);border:1px solid rgba(255,178,63,.35);
  font-size:13px;color:#8a5b00;
}
.countdown-pill .cd-num{
  font-family:"Barlow",Inter,ui-monospace,monospace;
  font-variant-numeric:tabular-nums;font-weight:700;color:#7a4b00;letter-spacing:.04em;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;line-height:1;
  padding:14px 26px;font-size:15px;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-card)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-lift);filter:brightness(1.04);color:#fff}
.btn-primary:active{transform:translateY(-1px);filter:brightness(.96)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--stroke);box-shadow:var(--sh-soft)}
.btn-ghost:hover{background:rgba(122,59,255,.07);transform:translateY(-2px);color:var(--brand)}
.btn-sm{padding:11px 20px;font-size:14px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  background:#fff;border:1px solid var(--stroke);box-shadow:var(--sh-soft);
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  display:flex;flex-direction:column;padding:20px 24px 28px;
  opacity:0;pointer-events:none;transform:translateY(-10px);
  transition:opacity var(--t),transform var(--t);
}
.drawer.open{opacity:1;pointer-events:auto;transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-close{width:42px;height:42px;border-radius:14px;background:rgba(122,59,255,.08);color:var(--brand);font-size:20px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding:26px 0;flex:1}
.drawer-nav a{font-size:22px;font-weight:700;color:var(--text);padding:12px 0;border-bottom:1px dashed var(--line)}
.drawer-nav a.active{color:var(--brand)}
.drawer .btn{width:100%}

/* ============ 迷你 Hero ============ */
.mini-hero{
  position:relative;overflow:hidden;
  padding:52px 0 46px;
  background:linear-gradient(160deg,#F2EDFF 0%,#FDF1F6 52%,#FFF6E8 100%);
}
.mini-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.14;pointer-events:none;
}
.mini-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);filter:blur(120px);opacity:.16;pointer-events:none;
}
.mini-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.mini-hero h1{
  font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.02em;
  max-width:820px;line-height:1.24;
}
.mini-hero .hero-sub{margin-top:16px;max-width:680px;font-size:16px;color:var(--text-2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;background:#fff;
  border:1px solid var(--stroke);font-size:13px;color:var(--text-2);box-shadow:var(--sh-soft);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:block}

/* ============ 分类互链 ============ */
.cat-bar{padding:22px 0 0}
.cat-pills{display:flex;flex-wrap:wrap;gap:12px}
.cat-pill{
  padding:10px 20px;border-radius:999px;background:#fff;color:var(--brand);
  font-size:14px;font-weight:600;border:1px solid var(--stroke);box-shadow:var(--sh-soft);
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t);
}
.cat-pill:hover{transform:translateY(-2px);box-shadow:var(--sh-card);color:var(--brand)}
.cat-pill.is-mint{color:#0B8A6C;background:rgba(22,211,165,.1);border-color:rgba(22,211,165,.25)}
.cat-pill.is-mint:hover{color:#0B8A6C}
.cat-pill.is-orange{color:#9A6200;background:rgba(255,178,63,.14);border-color:rgba(255,178,63,.3)}
.cat-pill.is-orange:hover{color:#9A6200}
.cat-pill.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-card)}
.cat-pill.active:hover{color:#fff}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-tight{padding:44px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700}
.section-desc{margin-top:10px;font-size:15px;color:var(--text-2);max-width:680px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.text-link .arrow{transition:transform var(--t)}
.text-link:hover .arrow{transform:translateX(4px)}

/* ============ 指标条 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
  background:#fff;border-radius:var(--r-lg);padding:24px;
  border:1px solid rgba(122,59,255,.1);box-shadow:var(--sh-soft);
  transition:transform var(--t),box-shadow var(--t);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card)}
.metric-num{
  font-family:"Barlow",Inter,ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:32px;font-weight:700;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-label{margin-top:6px;font-size:13px;color:var(--text-3);letter-spacing:.02em}
.metric-card .state{margin-top:12px;display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#0B8A6C}
.metric-card .state i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:block}

/* ============ 大厅筛选 + 卡片 ============ */
.lobby-layout{display:grid;grid-template-columns:264px 1fr;gap:32px;align-items:start}
.filter-panel{
  position:sticky;top:96px;
  background:#fff;border-radius:var(--r-lg);border:1px solid var(--stroke);
  padding:20px 18px;box-shadow:var(--sh-soft);
}
.filter-title{font-size:15px;font-weight:700;margin-bottom:4px}
.filter-sub{font-size:12px;color:var(--text-3);margin-bottom:16px}
.filter-group{padding-top:16px;margin-top:16px;border-top:1px solid var(--line)}
.filter-group:first-of-type{padding-top:0;margin-top:0;border-top:0}
.filter-head{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);letter-spacing:.04em;margin-bottom:10px;
}
.filter-head button{font-size:12px;color:var(--brand);font-weight:600}
.filter-item{
  display:flex;align-items:center;gap:9px;
  padding:9px 12px;border-radius:12px;font-size:14px;color:var(--text-2);
  transition:background var(--t),color var(--t);
}
.filter-item:hover{background:rgba(122,59,255,.06);color:var(--text)}
.filter-item .box{
  width:15px;height:15px;border-radius:5px;border:1.5px solid rgba(122,59,255,.3);
  background:#fff;flex-shrink:0;position:relative;
}
.filter-item.active{background:rgba(122,59,255,.09);color:var(--brand);font-weight:600}
.filter-item.active .box{background:var(--grad);border-color:transparent}
.filter-item.active .box::after{content:"";position:absolute;left:4px;top:4px;width:6px;height:6px;border-radius:2px;background:#fff}
.filter-note{
  margin-top:18px;padding:12px 14px;border-radius:var(--r-md);
  background:rgba(22,211,165,.08);font-size:12.5px;color:#0B8A6C;line-height:1.7;
}
.group-body.closed{display:none}

.lobby-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.lobby-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border-radius:28px;border:1px solid var(--stroke);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.lobby-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lift)}
.lobby-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEBFF}
.lobby-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.lobby-card:hover .thumb img{transform:scale(1.04)}
.card-badge{
  position:absolute;top:14px;right:14px;
  padding:7px 13px;border-radius:999px;background:rgba(18,11,34,.78);
  color:#fff;font-size:12px;letter-spacing:.02em;backdrop-filter:blur(6px);
}
.card-badge.is-warm{background:rgba(255,178,63,.92);color:#4a2c00}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(122,59,255,.1);color:var(--brand);
}
.pill.is-mint{background:rgba(22,211,165,.12);color:#0B8A6C}
.pill.is-orange{background:rgba(255,178,63,.16);color:#96600a}
.card-title{font-size:19px;font-weight:700;line-height:1.5}
.lobby-card:hover .card-title{color:var(--brand)}
.card-desc{font-size:14.5px;color:var(--text-2);line-height:1.75}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.card-meta .state{display:inline-flex;align-items:center;gap:6px;color:#0B8A6C}
.card-meta .state i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:block}
.card-meta .state.is-warm{color:#96600a}
.card-meta .state.is-warm i{background:var(--yellow)}

/* ============ 深色状态带 ============ */
.tech-band{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:var(--r-xl);
  padding:44px;color:#fff;
}
.tech-band::before{
  content:"";position:absolute;right:-90px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:var(--grad);filter:blur(110px);opacity:.34;
}
.tech-band .tb-head{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-end}
.tech-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.tech-band p{margin-top:10px;color:rgba(255,255,255,.66);font-size:14.5px;max-width:560px}
.tb-grid{position:relative;z-index:2;margin-top:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tb-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:20px;padding:20px;
}
.tb-item .n{
  font-family:"Barlow",Inter,ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;
}
.tb-item .l{margin-top:6px;font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.02em}

/* ============ 要点双栏 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.check-item{display:flex;gap:14px;align-items:flex-start}
.check-num{
  flex-shrink:0;width:34px;height:34px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:"Barlow",Inter,monospace;font-weight:700;font-size:14px;color:#fff;
  background:var(--grad);box-shadow:0 10px 20px -12px rgba(122,59,255,.8);
}
.check-item h3{font-size:17px;font-weight:700;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--text-2)}
.split-media{
  border-radius:28px;overflow:hidden;position:relative;
  box-shadow:var(--sh-card);border:1px solid var(--stroke);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-soft);
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item.open{box-shadow:var(--sh-card);border-color:var(--stroke)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:16px;font-weight:600;text-align:left;
}
.faq-q .idx{
  font-family:"Barlow",Inter,monospace;font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.06em;
}
.faq-item.open .faq-q .idx{color:var(--brand)}
.faq-q .sign{
  margin-left:auto;width:26px;height:26px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(122,59,255,.08);color:var(--brand);font-size:15px;font-weight:700;
  transition:transform var(--t),background var(--t);
}
.faq-item.open .faq-q .sign{background:var(--grad);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a .inner{
  padding:0 24px 22px 66px;font-size:15px;line-height:1.9;color:var(--text-2);
  border-left:0;
}
.faq-item.open .faq-a{max-height:320px}
.faq-item.open .faq-q{color:var(--brand)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:var(--r-xl);
  padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:var(--grad);filter:blur(110px);opacity:.32;
}
.cta-band .cta-copy{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:700}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.68);font-size:15px;max-width:520px}
.cta-form{position:relative;z-index:2}
.cta-form .row{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:200px;padding:15px 18px;border-radius:16px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;
  transition:box-shadow var(--t),background var(--t),border-color var(--t);
}
.cta-form input::placeholder{color:rgba(255,255,255,.45)}
.cta-form input:focus{
  outline:none;border-color:transparent;background:rgba(255,255,255,.12);
  box-shadow:0 0 0 2px var(--mint);
}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:72px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-line1{color:#fff}
.footer-brand .logo-line2{color:rgba(255,255,255,.5)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badge{
  padding:6px 13px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.78);
}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff;transform:translateX(2px);display:inline-block}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .tb-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .status-pill,.countdown-pill{display:none}
  .lobby-layout{grid-template-columns:1fr}
  .filter-panel{position:static}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .lobby-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .tb-grid{grid-template-columns:1fr 1fr}
  .tech-band{padding:28px 20px;border-radius:24px}
  .mini-hero{padding:36px 0 32px}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .header-inner{height:60px}
  .site-header.scrolled .header-inner{height:58px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  body{font-size:15px}
  .metric-grid,.tb-grid{grid-template-columns:1fr}
  .hero-tag{font-size:12.5px;padding:7px 13px}
  .faq-a .inner{padding-left:24px}
  .logo-line2{display:none}
  .cta-form input{min-width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#7A3BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB23F;
  --mint:#16D3A5;
  --yellow:#FFCC4D;
  --violet-soft:#8E88A3;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --dark:#120B22;
  --t1:#1B1230;
  --t2:#5B5470;
  --t3:#8E88A3;
  --line:rgba(27,18,48,.08);
  --stroke:rgba(122,59,255,.12);
  --grad:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 55%,#FFB23F 100%);
  --grad-soft:linear-gradient(135deg,rgba(122,59,255,.14),rgba(255,77,141,.10));
  --r-s:12px;
  --r-m:24px;
  --r-l:32px;
  --r-img:18px;
  --sh-soft:0 4px 14px rgba(27,18,48,.05);
  --sh-card:0 18px 40px -12px rgba(122,59,255,.18);
  --sh-lift:0 26px 60px -18px rgba(255,77,141,.28);
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"Inter","Barlow","HarmonyOS Sans SC",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-2);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;box-shadow:var(--sh-card);
}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-2px);box-shadow:var(--sh-lift);color:#fff;}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{
  background:#fff;color:var(--brand);
  border:1px solid var(--stroke);
  box-shadow:var(--sh-soft);
}
.btn-ghost:hover{background:#F3EEFF;transform:translateY(-2px);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow span{transition:transform .24s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  backdrop-filter:blur(14px);
  background:rgba(246,244,255,.86);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:0 10px 30px -18px rgba(27,18,48,.35);
  border-bottom-color:var(--line);
}
.nav-wrap{
  display:flex;align-items:center;gap:22px;
  height:72px;transition:height .3s ease;
}
.site-header.is-scrolled .nav-wrap{height:64px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--t1);}
.logo:hover{color:var(--t1);}
.logo-dot{
  width:14px;height:14px;border-radius:50%;
  background:var(--grad);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(122,59,255,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-line1{font-size:15px;font-weight:800;letter-spacing:.02em;}
.logo-line2{font-size:11px;color:var(--t3);letter-spacing:.08em;font-weight:600;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:9px 13px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--t2);
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(122,59,255,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:999px;
  background:var(--dark);color:#fff;font-size:13px;font-weight:600;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px rgba(22,211,165,.22);}
.status-time{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--yellow);letter-spacing:.04em;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--stroke);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ 迷你 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:58px 0 62px;
  background:
    radial-gradient(900px 420px at 12% 10%,rgba(122,59,255,.18),transparent 65%),
    radial-gradient(720px 360px at 88% 20%,rgba(255,178,63,.20),transparent 62%),
    linear-gradient(180deg,#F3EEFF 0%,#F6F4FF 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.14;mix-blend-mode:luminosity;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(27,18,48,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(27,18,48,.045) 1px,transparent 1px);
  background-size:48px 48px;opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);margin-bottom:20px;
}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--stroke);
  font-size:13px;font-weight:600;color:var(--brand);
  box-shadow:var(--sh-soft);margin-bottom:18px;
}
.hero-pill i{width:8px;height:8px;border-radius:50%;background:var(--grad);display:block;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);
  font-weight:800;letter-spacing:-.02em;
  max-width:900px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:18px;max-width:640px;
  font-size:17px;color:var(--t2);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--t2);
  box-shadow:var(--sh-soft);
}
.meta-chip b{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--brand);font-size:15px;}

/* 分类互链 */
.cat-switch{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:28px;
}
.cat-switch a{
  padding:9px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--stroke);
  font-size:14px;font-weight:600;color:var(--brand);
  box-shadow:var(--sh-soft);
  transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease;
}
.cat-switch a:hover{transform:translateY(-2px);background:#F3EEFF;color:var(--brand);}
.cat-switch a.is-current{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:var(--sh-card);
}

/* ============ 区块标题 ============ */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.sec-head h2{
  font-size:clamp(24px,3.1vw,34px);
  font-weight:700;position:relative;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:4px;background:var(--grad);
}
.sec-head p{margin-top:10px;font-size:15px;color:var(--t2);max-width:640px;}

/* ============ 活动宽幅卡 ============ */
.act-stack{display:flex;flex-direction:column;gap:24px;}
.act-card{
  display:grid;grid-template-columns:1.35fr .95fr;gap:0;
  background:var(--card);border-radius:var(--r-l);
  border:1px solid var(--stroke);box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.act-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lift);}
.act-body{padding:36px 40px;display:flex;flex-direction:column;gap:16px;}
.act-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.03em;
  background:rgba(122,59,255,.10);color:var(--brand);
}
.pill.mint{background:rgba(22,211,165,.14);color:#0E9C7A;}
.pill.orange{background:rgba(255,178,63,.18);color:#B36A00;}
.pill.grey{background:rgba(142,136,163,.16);color:#645E78;}
.act-card h3{font-size:22px;font-weight:700;}
.act-card:hover h3{color:var(--brand);}
.act-desc{font-size:15.5px;color:var(--t2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.act-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12.5px;color:var(--t2);
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  background:#FAF9FF;
}
.act-foot{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding-top:18px;border-top:1px solid var(--line);
}
.act-info{font-size:13px;color:var(--t3);}
.act-info b{color:var(--t1);font-weight:600;}
.cd{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 14px;border-radius:999px;background:var(--dark);color:#fff;
  font-size:12.5px;font-weight:600;
}
.cd-label{color:rgba(255,255,255,.68);}
.cd-time{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  color:var(--yellow);letter-spacing:.05em;font-size:14px;
}
.act-media{
  position:relative;min-height:260px;
  aspect-ratio:16/10;
}
.act-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.act-card:hover .act-media img{transform:scale(1.04);}
.act-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(18,11,34,.32),rgba(122,59,255,.14));
}
.act-badge{
  position:absolute;right:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:16px;
  padding:10px 16px;text-align:right;box-shadow:var(--sh-soft);
}
.act-badge b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:20px;color:var(--brand);line-height:1.2;}
.act-badge span{font-size:11.5px;color:var(--t3);}
.act-card.is-closed .act-media img{filter:grayscale(.5);}

/* ============ 数据条 ============ */
.stat-band{
  background:#fff;border-radius:var(--r-l);
  border:1px solid var(--stroke);box-shadow:var(--sh-soft);
  padding:36px 40px;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{padding-right:20px;border-right:1px dashed var(--line);}
.stat-item:last-child{border-right:0;padding-right:0;}
.stat-item b{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item span{display:block;margin-top:6px;font-size:13.5px;color:var(--t2);}
.stat-note{margin-top:22px;font-size:14px;color:var(--t2);padding-top:20px;border-top:1px solid var(--line);}

/* ============ 活动日程表 ============ */
.sched{
  background:#fff;border-radius:var(--r-m);
  border:1px solid var(--stroke);box-shadow:var(--sh-soft);
  overflow:hidden;
}
.sched-row{
  display:grid;grid-template-columns:120px 1.4fr 1fr 140px;
  gap:18px;align-items:center;
  padding:20px 28px;border-bottom:1px solid var(--line);
  transition:background .22s ease;
}
.sched-row:last-child{border-bottom:0;}
.sched-row:hover{background:#FAF8FF;}
.sched-row.head{
  background:#F3EEFF;font-size:13px;font-weight:700;color:var(--t2);letter-spacing:.04em;
}
.sched-date{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;color:var(--t2);}
.sched-name{font-size:15.5px;font-weight:600;}
.sched-name small{display:block;font-size:13px;font-weight:400;color:var(--t3);margin-top:2px;}
.sched-cycle{font-size:14px;color:var(--t2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--stroke);border-radius:20px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-soft);
  transition:box-shadow .24s ease;
}
.faq-item.is-open{box-shadow:var(--sh-card);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--t1);
}
.faq-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--t3);flex:0 0 auto;
}
.faq-item.is-open .faq-num{color:var(--brand);}
.faq-q::after{
  content:"+";margin-left:auto;font-size:20px;color:var(--t3);
  transition:transform .24s ease,color .24s ease;font-weight:400;
}
.faq-item.is-open .faq-q::after{content:"–";color:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
  border-left:4px solid transparent;
}
.faq-item.is-open .faq-a{
  max-height:340px;
  border-left:4px solid;
  border-image:var(--grad) 1;
}
.faq-a p{
  padding:0 24px 22px 60px;font-size:15px;line-height:1.9;color:var(--t2);
}
.faq-item.is-open .faq-q{color:var(--brand);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--dark);border-radius:var(--r-l);
  padding:52px 56px;color:#fff;position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);opacity:.28;filter:blur(60px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.cta-form input{
  width:260px;padding:14px 18px;border-radius:16px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  transition:box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.45);}
.cta-form input:focus{
  outline:none;border-color:var(--mint);background:rgba(255,255,255,.14);
  box-shadow:0 0 0 2px rgba(22,211,165,.5);
}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px;width:100%;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .logo-line1{color:#fff;}
.footer-brand .logo-line2{color:rgba(255,255,255,.55);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.footer-badge{
  font-size:12px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.62);
  transition:color .2s ease,transform .2s ease;display:inline-block;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:56px;padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 移动端 ============ */
@media (max-width:1023px){
  .nav-toggle{display:flex;margin-left:auto;}
  .main-nav{
    position:fixed;inset:0;z-index:200;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:88px 24px 120px;margin:0;
    overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{font-size:20px;font-weight:700;padding:14px 12px;}
  .nav-link::after{display:none;}
  .nav-right .status-pill{display:none;}
  .nav-right .btn{padding:10px 18px;font-size:14px;}
  .act-card{grid-template-columns:1fr;}
  .act-media{order:-1;min-height:200px;aspect-ratio:16/9;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .sched-row{grid-template-columns:110px 1fr;grid-template-areas:"d n" "c s";}
  .sched-row.head{display:none;}
  .sched-date{grid-area:d;}
  .sched-name{grid-area:n;}
  .sched-cycle{grid-area:c;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .section-sm{padding:48px 0;}
  .container{padding:0 20px;}
  .page-hero{padding:44px 0 48px;}
  .act-body{padding:26px 24px;}
  .stat-band{padding:26px 24px;}
  .cta-band{padding:34px 26px;border-radius:24px;}
  .cta-form input{width:100%;}
  .cta-form .btn{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;padding-right:0;padding-bottom:16px;border-bottom:1px dashed var(--line);}
  .stat-item:last-child{border-bottom:0;padding-bottom:0;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .hero-meta .meta-chip:nth-child(3){display:none;}
  .faq-a p{padding-left:24px;}
}

/* roulang page: category4 */
:root{
  --brand:#7A3BFF;
  --brand-2:#FF4D8D;
  --brand-3:#FFB23F;
  --mint:#16D3A5;
  --yellow:#FFCC4D;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --dark:#120B22;
  --text:#1B1230;
  --text-2:#5B5470;
  --text-3:#8E88A3;
  --line:rgba(122,59,255,.12);
  --divider:rgba(27,18,48,.08);
  --grad:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 55%,#FFB23F 100%);
  --grad-soft:linear-gradient(135deg,rgba(122,59,255,.10) 0%,rgba(255,77,141,.08) 55%,rgba(255,178,63,.10) 100%);
  --r-s:12px;
  --r-m:24px;
  --r-l:32px;
  --sh-soft:0 4px 14px rgba(27,18,48,.05);
  --sh-card:0 18px 40px -12px rgba(122,59,255,.18);
  --sh-lift:0 26px 60px -18px rgba(255,77,141,.28);
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow","Inter","HarmonyOS Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
ul{list-style:none;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:-.01em;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}

.container{max-width:1240px;margin:0 auto;padding:0 24px;}
.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;flex-wrap:wrap;}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.02em;}
.section-sub{color:var(--text-2);font-size:15px;margin-top:10px;max-width:620px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;transition:.24s;}
.text-link svg{transition:transform .24s;}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;
  padding:13px 26px;border:1px solid transparent;
  transition:transform .24s,box-shadow .24s,filter .24s,background .24s,color .24s,border-color .24s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-card);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:var(--sh-lift);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(122,59,255,.35);}
.btn-ghost:hover{background:#F1EBFF;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{transform:translateY(-2px);box-shadow:var(--sh-lift);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,255,.82);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s,box-shadow .3s,border-color .3s;
}
.site-header.scrolled{
  background:rgba(255,255,255,.95);
  box-shadow:0 10px 30px -18px rgba(27,18,48,.28);
  border-bottom-color:var(--divider);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .3s;}
.site-header.scrolled .header-inner{height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-dot{
  width:14px;height:14px;border-radius:50%;background:var(--grad);
  box-shadow:0 0 0 4px rgba(122,59,255,.12);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-line1{font-size:15px;font-weight:800;letter-spacing:-.01em;}
.logo-line2{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.06em;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 14px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:10px;transition:color .24s,background .24s;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--dark);color:#fff;font-size:12px;font-weight:600;
  padding:6px 13px;border-radius:999px;letter-spacing:.02em;
}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px rgba(22,211,165,.22);}
.countdown-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,204,77,.22);color:#8a5b00;font-size:12px;font-weight:700;
  padding:6px 13px;border-radius:999px;
}
.countdown-pill .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.04em;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:.24s;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.24s;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  display:flex;flex-direction:column;padding:20px 20px 28px;
  transform:translateY(-102%);transition:transform .38s cubic-bezier(.4,0,.2,1);
  visibility:hidden;
}
.drawer.open{transform:translateY(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--divider);}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--text-2);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding:24px 0;flex:1;}
.drawer-nav a{font-size:22px;font-weight:700;padding:14px 6px;border-bottom:1px solid var(--divider);color:var(--text);}
.drawer-nav a.active{color:var(--brand);}
.drawer .btn{width:100%;}

/* ============ 迷你 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background:
    linear-gradient(135deg,rgba(246,244,255,.94) 0%,rgba(246,244,255,.86) 45%,rgba(255,244,236,.88) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,59,255,.22),transparent 68%);
  filter:blur(60px);top:-140px;left:-90px;
}
.page-hero::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,63,.24),transparent 68%);
  filter:blur(70px);bottom:-160px;right:-60px;
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-3);transition:color .2s;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:var(--text-2);font-weight:600;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;font-size:13px;font-weight:600;color:var(--brand);
  box-shadow:var(--sh-soft);margin-bottom:20px;
}
.hero-badge .pip{width:6px;height:6px;border-radius:50%;background:var(--mint);}

.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;letter-spacing:-.02em;
  max-width:900px;line-height:1.2;
}
.page-hero h1 em{
  font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:660px;}
.hero-metrics{display:flex;gap:32px;margin-top:32px;flex-wrap:wrap;}
.hero-metric .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;letter-spacing:-.02em;}
.hero-metric .label{font-size:12.5px;color:var(--text-3);letter-spacing:.02em;margin-top:2px;}

/* ============ 分类 pill ============ */
.cat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 20px;border-radius:999px;font-size:14.5px;font-weight:600;
  background:#fff;color:var(--brand);border:1px solid var(--line);
  transition:.24s;box-shadow:var(--sh-soft);
}
.cat-pill:hover{transform:translateY(-2px);box-shadow:var(--sh-card);}
.cat-pill.active{background:var(--grad);color:#fff;border-color:transparent;}
.cat-pill:nth-child(2){color:#0f9e7c;}
.cat-pill:nth-child(3){color:#c76b00;}

/* ============ 搜索条 ============ */
.search-wrap{margin-top:36px;}
.search-bar{
  display:flex;align-items:center;gap:10px;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:8px 8px 8px 22px;
  box-shadow:var(--sh-card);max-width:620px;
  transition:box-shadow .24s,border-color .24s,background .24s;
}
.search-bar:focus-within{border-color:rgba(22,211,165,.6);background:#FBF9FF;box-shadow:0 0 0 4px rgba(22,211,165,.16);}
.search-bar svg{flex-shrink:0;color:var(--text-3);}
.search-bar input{
  flex:1;border:none;outline:none;background:transparent;
  font-size:15px;padding:10px 0;
}
.search-bar input::placeholder{color:var(--text-3);}
.search-hint{margin-top:12px;font-size:13px;color:var(--text-3);}

/* ============ FAQ 双列网格 ============ */
.faq-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.faq-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh-soft);overflow:hidden;transition:transform .28s,box-shadow .28s;
  position:relative;
}
.faq-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card);}
.faq-card summary{
  list-style:none;cursor:pointer;padding:22px 26px;
  display:flex;align-items:flex-start;gap:14px;
  font-size:16.5px;font-weight:600;line-height:1.55;position:relative;
  transition:color .24s;
}
.faq-card summary::-webkit-details-marker{display:none;}
.faq-card summary::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .24s;
}
.faq-card[open] summary{color:var(--brand);}
.faq-card[open] summary::before{opacity:1;}
.faq-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;color:var(--text-3);flex-shrink:0;margin-top:3px;
}
.faq-plus{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:.24s;
}
.faq-card[open] .faq-plus{background:var(--grad);color:#fff;border-color:transparent;transform:rotate(45deg);}
.faq-answer{padding:0 26px 24px 60px;font-size:15px;line-height:1.9;color:var(--text-2);}
.faq-tags{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:4px 12px;border-radius:999px;background:#F1EBFF;color:var(--brand);
}
.tag.tag-mint{background:rgba(22,211,165,.14);color:#0b8f6f;}
.tag.tag-orange{background:rgba(255,178,63,.18);color:#a4650a;}

/* ============ 图文引导条 ============ */
.guide-strip{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-card);
}
.guide-media{position:relative;min-height:300px;}
.guide-media img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;}
.guide-copy{padding:44px 46px;}
.guide-copy h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.02em;}
.guide-copy p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.guide-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.guide-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.guide-list .step-dot{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;margin-top:2px;
  background:var(--grad-soft);border:1px solid var(--line);color:var(--brand);
  font-family:var(--font-num);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 主题分组问答 ============ */
.topic-group{margin-bottom:56px;}
.topic-group:last-child{margin-bottom:0;}
.topic-head{display:flex;align-items:center;gap:14px;margin-bottom:22px;}
.topic-head .bar{width:4px;height:24px;border-radius:4px;background:var(--grad);}
.topic-head h3{font-size:20px;font-weight:700;letter-spacing:-.01em;}
.topic-head .count{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--text-3);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:2px 11px;
}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.topic-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 24px;
  box-shadow:var(--sh-soft);transition:transform .28s,box-shadow .28s,border-color .28s;
  display:flex;flex-direction:column;
}
.topic-item:hover{transform:translateY(-6px);box-shadow:var(--sh-card);border-color:rgba(122,59,255,.22);}
.topic-item h4{font-size:16.5px;font-weight:700;line-height:1.5;}
.topic-item p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.85;}
.topic-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--text-3);
}
.topic-meta .pill{
  font-size:12px;font-weight:600;padding:3px 11px;border-radius:999px;
  background:#F1EBFF;color:var(--brand);
}
.topic-meta .dotline{width:5px;height:5px;border-radius:50%;background:var(--divider);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--dark);border-radius:var(--r-l);
  padding:64px 56px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,59,255,.55),transparent 66%);
  filter:blur(80px);top:-200px;left:-120px;
}
.cta-band::after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.42),transparent 66%);
  filter:blur(80px);bottom:-200px;right:-100px;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(26px,3.2vw,36px);letter-spacing:-.02em;}
.cta-band p{color:rgba(255,255,255,.68);margin-top:14px;font-size:15.5px;max-width:520px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1;min-width:220px;border-radius:16px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);color:#fff;padding:14px 18px;outline:none;
  transition:.24s;
}
.cta-form input::placeholder{color:rgba(255,255,255,.45);}
.cta-form input:focus{border-color:var(--mint);background:rgba(255,255,255,.13);box-shadow:0 0 0 4px rgba(22,211,165,.22);}
.cta-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.45);}
.cta-side{display:flex;flex-direction:column;gap:16px;}
.cta-stat{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:20px;padding:18px 22px;display:flex;align-items:center;gap:16px;
}
.cta-stat .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;color:#fff;}
.cta-stat .label{font-size:13px;color:rgba(255,255,255,.6);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .logo-line1{color:#fff;}
.footer-brand .logo-line2{color:rgba(255,255,255,.5);}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px;}
.footer-badges{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;}
.footer-badge{
  font-size:12px;font-weight:600;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.72);
}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:.24s;}
.footer-col a:hover{color:#fff;transform:translateX(2px);display:inline-block;}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .topic-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm,
  .header-actions .countdown-pill{display:none;}
  .section{padding:72px 0;}
  .hero-metrics{gap:24px;}
  .faq-grid{grid-template-columns:1fr;}
  .guide-strip{grid-template-columns:1fr;}
  .guide-media{min-height:240px;}
  .guide-copy{padding:36px 32px;}
  .cta-band{grid-template-columns:1fr;padding:48px 36px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 20px;}
  .page-hero{padding:40px 0 42px;}
  .hero-lead{font-size:16px;}
  .hero-metric .num{font-size:22px;}
  .topic-grid{grid-template-columns:1fr;}
  .faq-card summary{padding:18px 20px;font-size:15.5px;}
  .faq-answer{padding:0 20px 20px 20px;font-size:14.5px;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:40px 24px;}
  .cta-stat{padding:16px 18px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .logo-line1{font-size:14px;}
  .logo-line2{font-size:10px;}
  .page-hero h1{font-size:28px;}
  .hero-metrics{gap:18px;}
  .header-actions .status-pill{display:none;}
  .search-bar{padding:6px 6px 6px 16px;}
  .search-bar input{font-size:14px;}
  .faq-plus{width:24px;height:24px;font-size:15px;}
}