/* roulang page: index */
:root{
  --brand:#6A3BFF;
  --cyan:#00D6B4;
  --orange:#FF8A3D;
  --pink:#FF5C7A;
  --grad-brand:linear-gradient(120deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
  --ink:#1A1726;
  --ink-2:#5A5570;
  --ink-3:#8B8799;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --surface-soft:#FAF9FE;
  --soft-purple:#F2EFFB;
  --line:#E8E5F0;
  --line-hover:#D9D4E8;
  --dark:#171327;
  --dark-2:#2A2145;
  --r-card:20px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 8px 28px rgba(26,23,38,.08);
  --sh-2:0 16px 40px rgba(26,23,38,.14);
  --sh-dark:0 20px 48px rgba(23,19,39,.28);
  --ok:#17B26A;
  --warn:#F5A524;
  --err:#E5484D;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
::selection{background:rgba(106,59,255,.18);color:var(--ink);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x.gutter{margin-left:-12px;margin-right:-12px;}
.grid-x.gutter > .cell{padding-left:12px;padding-right:12px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:#fff;
}
.nav-top{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.nav-top-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:64px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
  flex:0 0 auto;
  min-height:44px;
}
.brand-mark{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand);
  white-space:nowrap;
}
.brand-sub{
  font-size:12px;
  color:var(--ink-3);
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:420px;
}
.nav-search input{
  width:100%;
  height:40px;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--surface-soft);
  padding:0 46px 0 18px;
  font-size:14px;
  color:var(--ink);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(106,59,255,.16);
}
.nav-search button{
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  width:30px;height:30px;
  border:0;
  border-radius:50%;
  background:transparent;
  color:var(--ink-3);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s,color .2s;
}
.nav-search button:hover{background:var(--soft-purple);color:var(--brand);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.nav-tabs{
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(26,23,38,.04);
}
.nav-tabs-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:48px;
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  scroll-snap-type:x mandatory;
  mask-image:linear-gradient(to right,#000 92%,transparent 100%);
  -webkit-mask-image:linear-gradient(to right,#000 92%,transparent 100%);
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  height:34px;
  display:inline-flex;
  align-items:center;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--soft-purple);
  color:var(--ink-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  scroll-snap-align:start;
  transition:background .2s,color .2s,transform .2s;
}
.tab:hover{background:#E7E0FB;color:var(--brand);}
.tab.active{background-image:var(--grad-brand);color:#fff;}
.tab:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1.5px solid transparent;
  background:transparent;
  transition:transform .2s,box-shadow .2s,filter .2s,background .2s,color .2s,border-color .2s;
}
.btn-primary{
  background-image:var(--grad-brand);
  color:#fff;
  border-color:transparent;
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{
  color:#fff;
  border-color:rgba(255,255,255,.45);
  background:rgba(255,255,255,.06);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-outline{
  background:#fff;
  border-color:var(--line-hover);
  color:var(--ink);
}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 20px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  min-height:44px;
}
.link-arrow::after{
  content:"→";
  transition:transform .2s ease;
  color:var(--brand);
}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover::after{transform:translateX(4px);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
}
.btn-text::after{content:"→";transition:transform .2s ease;color:var(--brand);}
.btn-text:hover{color:var(--brand);}
.btn-text:hover::after{transform:translateX(4px);}

/* ============ 倒计时条 ============ */
.countdown-bar{
  background:var(--dark);
  border-left:3px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.countdown-inner{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:44px;
  flex-wrap:wrap;
}
.cd-label{
  font-size:13px;
  color:rgba(255,255,255,.72);
  letter-spacing:.02em;
}
.cd-time{
  font-size:16px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.cd-time .colon{color:var(--cyan);}
.cd-btn{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background-image:var(--grad-brand);
  color:#fff;
  font-size:12px;
  font-weight:600;
  transition:filter .2s,transform .2s;
}
.cd-btn:hover{filter:brightness(1.08);transform:translateY(-1px);}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:#fff;
  padding:72px 0 56px;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.6;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(23,19,39,.92) 0%,rgba(23,19,39,.6) 55%,rgba(23,19,39,.3) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-inner{align-items:center;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.88);
  margin-bottom:18px;
}
.hero-tag::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:16em;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.75;
  color:rgba(255,255,255,.78);
  max-width:34em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:var(--sh-dark);
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-stats{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.stat{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:16px;
  padding:14px 18px;
}
.stat-num{
  font-size:24px;
  font-weight:800;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.stat-num small{font-size:13px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.75);}
.stat-label{
  margin-top:4px;
  font-size:13px;
  color:rgba(255,255,255,.72);
}

/* ============ 通用板块 ============ */
.section{padding:72px 0;scroll-margin-top:128px;}
.section-soft{background:var(--surface-soft);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-title{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.01em;
}
.section-desc{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--ink-3);
  max-width:56em;
}

/* ============ 非对称拼贴 ============ */
.collage{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
}
.collage-main{
  position:relative;
  display:flex;
  align-items:flex-end;
  min-height:360px;
  border-radius:var(--r-card);
  overflow:hidden;
  background-color:var(--dark);
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s;
}
.collage-main::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(23,19,39,.15) 0%,rgba(23,19,39,.86) 78%);
}
.collage-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.collage-main-body{
  position:relative;
  z-index:2;
  padding:32px;
  color:#fff;
}
.collage-main h3{
  font-size:26px;
  line-height:1.35;
  font-weight:800;
  margin-top:14px;
  max-width:18em;
}
.collage-main p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.78);
  max-width:30em;
}
.collage-side{
  display:grid;
  grid-template-rows:1fr 1fr;
  gap:24px;
}
.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:10px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-hover);}
.mini-icon{
  width:44px;height:44px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft-purple);
  color:var(--brand);
  margin-bottom:4px;
}
.mini-card h3{font-size:20px;font-weight:700;line-height:1.4;}
.mini-card p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-tint{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:8px;
  background:var(--soft-purple);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
}

/* ============ 图墙 ============ */
.wall{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  padding-bottom:18px;
}
.wall-item{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:4/3;
  background:#E9E5F5;
  transition:transform .25s,box-shadow .25s;
}
.wall-item:nth-child(2),
.wall-item:nth-child(6),
.wall-item:nth-child(10){transform:translateY(18px);}
.wall-item img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.wall-item:hover{box-shadow:var(--sh-2);}
.wall-item:hover img{transform:scale(1.04);}
.wall-mask{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:6px;
  padding:16px;
  background:linear-gradient(180deg,rgba(23,19,39,0) 40%,rgba(23,19,39,.82) 100%);
  opacity:0;
  transition:opacity .25s;
}
.wall-item:hover .wall-mask,
.wall-item:focus-within .wall-mask{opacity:1;}
.wall-mask span{
  align-self:flex-start;
  font-size:11px;
  font-weight:600;
  color:#fff;
  background:rgba(255,255,255,.2);
  border-radius:var(--r-pill);
  padding:2px 10px;
}
.wall-mask strong{
  font-size:14px;
  font-weight:600;
  color:#fff;
  line-height:1.5;
}
.wall-more{display:flex;justify-content:center;margin-top:32px;}

/* ============ CTA 大卡 + 表单 ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-card);
  background:var(--dark);
  color:#fff;
  padding:48px;
  box-shadow:var(--sh-dark);
}
.cta-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(106,59,255,.55) 0%,rgba(255,92,122,.32) 48%,rgba(23,19,39,0) 78%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-title{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;
  line-height:1.3;
}
.cta-text{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.76);
  max-width:32em;
}
.cta-note{
  margin-top:18px;
  font-size:12px;
  line-height:1.7;
  color:rgba(255,255,255,.55);
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  margin-bottom:6px;
  font-size:13px;
  font-weight:600;
  color:rgba(255,255,255,.76);
}
.field input{
  width:100%;
  height:48px;
  border-radius:12px;
  border:1.5px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);
  color:#fff;
  padding:0 16px;
  font-size:15px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field input:focus{
  outline:none;
  background:rgba(255,255,255,.12);
  border-color:#fff;
  box-shadow:0 0 0 3px rgba(0,214,180,.22);
}
.form-hint{
  margin-top:12px;
  font-size:12px;
  line-height:1.7;
  color:rgba(255,255,255,.5);
}

/* ============ 最新信息 ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.news-item{
  display:flex;
  gap:16px;
  padding:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-hover);}
.news-thumb{
  flex:0 0 200px;
  aspect-ratio:200/130;
  border-radius:12px;
  overflow:hidden;
  background:#E9E5F5;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{
  flex:1 1 auto;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.news-cat{
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  background:var(--soft-purple);
  border-radius:8px;
  padding:2px 10px;
}
.news-title{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s;
}
.news-item:hover .news-title{color:var(--brand);}
.news-desc{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-3);
}
.empty-box{
  grid-column:1 / -1;
  background:var(--surface);
  border:1px dashed var(--line-hover);
  border-radius:var(--r-card);
  padding:48px 24px;
  text-align:center;
  color:var(--ink-3);
  font-size:14px;
}
.empty-box .empty-dot{
  width:96px;height:96px;
  margin:0 auto 18px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 30%,rgba(106,59,255,.22),transparent 62%),var(--soft-purple);
  border:1px solid var(--line);
}
.empty-box p{margin-bottom:16px;}

/* ============ 频道矩阵 ============ */
.channel-matrix{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:16px;
}
.channel-pill{
  grid-column:span 2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:72px;
  padding:18px 22px;
  border-radius:var(--r-pill);
  background:var(--surface);
  border:1px solid var(--line);
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:transform .2s,box-shadow .2s,border-color .2s,color .2s;
}
.channel-pill:nth-child(1),
.channel-pill:nth-child(2){grid-column:span 3;}
.channel-pill::after{content:"→";color:var(--brand);transition:transform .2s;}
.channel-pill:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-hover);color:var(--brand);}
.channel-pill:hover::after{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.faq-item:hover{border-color:var(--line-hover);}
.faq-item[open]{background:var(--surface-soft);border-color:var(--line-hover);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  min-height:56px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:22px;
  line-height:1;
  color:var(--brand);
  transition:transform .25s;
  flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px;}
.faq-body{
  position:relative;
  padding:0 22px 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.faq-body::before{
  content:"";
  position:absolute;
  left:0;
  top:2px;
  bottom:16px;
  width:2px;
  background-image:var(--grad-brand);
}
.faq-body{padding-left:22px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand{
  font-size:18px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  max-width:24em;
}
.footer-quick{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.footer-quick a{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;
  color:rgba(255,255,255,.78);
  transition:border-color .2s,color .2s,background .2s;
}
.footer-quick a:hover{border-color:var(--cyan);color:#fff;background:rgba(255,255,255,.06);}
.footer-col h3{
  position:relative;
  font-size:14px;
  font-weight:600;
  color:#fff;
  padding-bottom:12px;
  margin-bottom:16px;
}
.footer-col h3::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:32px;height:2px;
  background:var(--cyan);
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.72);
  padding:5px 0;
  transition:color .2s,transform .2s;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:8px;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .collage{grid-template-columns:1fr;}
  .collage-main{min-height:320px;}
  .collage-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .wall{grid-template-columns:repeat(3,1fr);}
  .wall-item:nth-child(2),
  .wall-item:nth-child(6),
  .wall-item:nth-child(10){transform:none;}
  .channel-matrix{grid-template-columns:repeat(2,1fr);}
  .channel-pill,
  .channel-pill:nth-child(1),
  .channel-pill:nth-child(2){grid-column:span 1;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-search{max-width:280px;}
}
@media screen and (max-width:767px){
  .section{padding:44px 0;scroll-margin-top:104px;}
  .hero{padding:48px 0 40px;}
  .nav-top-inner{gap:14px;height:56px;padding:0 20px;}
  .nav-tabs-inner{height:44px;padding:0 20px;}
  .nav-search{display:none;}
  .brand-sub{display:none;}
  .nav-actions{margin-left:auto;gap:8px;}
  .brand-mark{font-size:18px;}
  .cd-label{display:none;}
  .countdown-inner{min-height:38px;gap:10px;}
  .news-grid{grid-template-columns:1fr;}
  .news-thumb{flex:0 0 96px;aspect-ratio:1/1;align-self:flex-start;}
  .cta-card{padding:28px;}
  .cta-card .grid-x.gutter{margin-left:-12px;margin-right:-12px;}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px;}
  .stat{padding:12px 12px;}
  .stat-num{font-size:20px;}
  .stat-num small{font-size:12px;}
  .stat-label{font-size:12px;}
  .collage-side{grid-template-columns:1fr;}
  .wall{grid-template-columns:repeat(2,1fr);}
  .channel-matrix{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{font-size:12px;}
}
@media screen and (max-width:519px){
  .container{padding-left:20px;padding-right:20px;}
  .nav-top-inner{padding:0 20px;}
  .nav-tabs-inner{padding:0 20px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .collage-main-body{padding:22px;}
  .collage-main h3{font-size:21px;}
  .section-head{margin-bottom:22px;}
  .news-item{flex-direction:row;}
  .cd-btn{margin-left:auto;}
  .footer-quick a{font-size:12px;}
}

/* roulang page: article */
:root{
  --brand:#6A3BFF;
  --brand-2:#00D6B4;
  --orange:#FF8A3D;
  --pink:#FF5C7A;
  --grad-brand:linear-gradient(120deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
  --grad-soft:linear-gradient(120deg,rgba(106,59,255,.12),rgba(255,92,122,.10) 55%,rgba(255,138,61,.12));
  --ink:#1A1726;
  --ink-2:#5A5570;
  --ink-3:#8B8799;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --soft:#FAF9FE;
  --soft-2:#F2EFFB;
  --dark:#171327;
  --dark-2:#2A2145;
  --line:#E8E5F0;
  --line-2:#D9D4E8;
  --ok:#17B26A;
  --warn:#F5A524;
  --err:#E5484D;
  --r-card:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 8px 28px rgba(26,23,38,.08);
  --sh-2:0 16px 40px rgba(26,23,38,.14);
  --sp-section:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;
  color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.2em;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-soft{background:var(--soft);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:200;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 6px 18px rgba(26,23,38,.06);}
.nav-top{background:#fff;}
.nav-top-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none;flex:0 0 auto;}
.brand-mark{font-size:18px;font-weight:800;letter-spacing:-.01em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.brand-sub{font-size:12px;color:var(--ink-3);letter-spacing:.02em;}
.nav-search{position:relative;flex:1 1 auto;max-width:400px;display:flex;align-items:center;}
.nav-search input[type=search]{
  -webkit-appearance:none;appearance:none;
  width:100%;height:40px;margin:0;padding:0 44px 0 16px;
  border:1.5px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--ink);font-size:14px;
  box-shadow:none;transition:border-color .2s,box-shadow .2s;
}
.nav-search input[type=search]::placeholder{color:var(--ink-3);}
.nav-search input[type=search]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(106,59,255,.16);}
.nav-search button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;padding:0;margin:0;border:0;border-radius:50%;
  background:var(--soft-2);color:var(--brand);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s;
}
.nav-search button:hover{background:var(--grad-brand);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-pill);padding:13px 26px;font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;text-decoration:none;transition:transform .2s,box-shadow .2s,filter .2s,background .2s,color .2s,border-color .2s;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(106,59,255,.26);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border:1.5px solid var(--line-2);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;border:0;background:none;padding:6px 2px;color:var(--ink-2);font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;transition:color .2s;}
.btn-text .arw{transition:transform .2s;}
.btn-text:hover{color:var(--brand);}
.btn-text:hover .arw{transform:translateX(4px);}

.nav-tabs{background:#fff;border-top:1px solid var(--line);}
.nav-tabs-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:48px;
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x mandatory;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.nav-tabs .tab{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--soft-2);color:var(--ink-2);
  font-size:14px;font-weight:600;white-space:nowrap;text-decoration:none;
  transition:background .2s,color .2s,box-shadow .2s;
}
.nav-tabs .tab:hover{background:#E9E3FC;color:var(--brand);}
.nav-tabs .tab.active{background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(106,59,255,.24);}

/* ---------- 倒计时条 ---------- */
.countdown-bar{position:relative;background:var(--dark);color:#fff;overflow:hidden;}
.countdown-bar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);}
.countdown-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:44px;display:flex;align-items:center;gap:14px;font-size:13px;}
.cd-label{color:rgba(255,255,255,.72);letter-spacing:.02em;}
.cd-clock{display:inline-flex;align-items:center;gap:2px;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-size:16px;font-weight:700;color:#fff;}
.cd-clock .colon{color:var(--brand-2);}
.cd-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.cd-btn{display:inline-flex;align-items:center;height:28px;padding:0 16px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:12px;font-weight:700;text-decoration:none;transition:filter .2s,transform .2s;}
.cd-btn:hover{filter:brightness(1.08);transform:translateY(-1px);color:#fff;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:26px 0 0;}
.crumbs a{color:var(--ink-3);text-decoration:none;transition:color .2s;}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C9C4DA;}
.crumbs .current{color:var(--ink);font-weight:600;}

/* ---------- 文章头 ---------- */
.article-head{padding:18px 0 30px;}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);background:var(--soft-2);color:var(--brand);font-size:13px;font-weight:700;}
.article-title{font-size:clamp(30px,4.2vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.01em;margin:16px 0 0;color:var(--ink);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-3);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9C4DA;}
.meta-row strong{color:var(--ink-2);font-weight:600;}

/* ---------- 双栏 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start;padding-bottom:8px;}
.main-col{min-width:0;}

.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:36px 40px;max-width:760px;}

.article-body{font-size:17px;line-height:1.9;color:var(--ink);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;line-height:1.42;color:var(--ink);
  margin:34px 0 14px;padding-left:16px;scroll-margin-top:128px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;width:4px;height:20px;border-radius:2px;background:var(--grad-brand);}
.article-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);margin:26px 0 10px;scroll-margin-top:128px;}
.article-body h4{font-size:16px;font-weight:700;margin:22px 0 8px;}
.article-body p{margin:0 0 1.1em;color:var(--ink-2);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.35em;color:var(--ink-2);}
.article-body li{margin-bottom:.45em;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li::marker{color:var(--brand);}
.article-body a{color:var(--brand);text-decoration:none;border-bottom:1px solid rgba(106,59,255,.28);transition:border-color .2s;}
.article-body a:hover{border-color:var(--brand);}
.article-body blockquote{
  position:relative;margin:22px 0;padding:18px 22px 18px 26px;
  background:var(--soft);border-radius:12px;color:var(--ink-2);font-size:16px;line-height:1.85;
}
.article-body blockquote::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:2px;background:var(--grad-brand);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:22px auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  font-size:15px;line-height:1.7;margin:22px 0;background:#fff;
}
.article-body thead th{background:var(--soft-2);color:var(--ink);font-weight:700;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2);}
.article-body tbody tr:nth-child(even) td{background:var(--soft);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;height:1px;background:var(--line);margin:30px 0;}
.article-body code{background:var(--soft-2);color:var(--brand);border-radius:6px;padding:2px 6px;font-size:14px;}

.empty-state{padding:44px 20px;text-align:center;}
.empty-state .empty-mark{width:96px;height:96px;margin:0 auto 18px;border-radius:28px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:800;color:var(--brand);}
.empty-state h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}

/* ---------- 文章尾部 ---------- */
.article-foot{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:26px 40px 30px;margin-top:22px;max-width:760px;}
.foot-label{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;margin-bottom:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:8px;background:var(--soft-2);color:var(--ink-2);font-size:13px;text-decoration:none;transition:background .2s,color .2s;}
.tag:hover{background:var(--grad-brand);color:#fff;}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
.copy-tip{font-size:13px;color:var(--ok);opacity:0;transition:opacity .25s;}
.copy-tip.show{opacity:1;}

.related{margin-top:30px;max-width:760px;}
.related-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;}
.related-head h2{font-size:20px;font-weight:800;color:var(--ink);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.related-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .22s,box-shadow .22s,border-color .22s;}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD5F2;color:inherit;}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--soft-2);}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-card .rc-body{padding:14px 16px 16px;}
.related-card h3{font-size:15px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s;}
.related-card:hover h3{color:var(--brand);}
.related-card .rc-meta{margin-top:10px;font-size:12px;color:var(--ink-3);}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:128px;align-self:start;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 20px 22px;box-shadow:var(--sh-1);}
.side-title{position:relative;font-size:14px;font-weight:700;color:var(--ink);padding-bottom:12px;margin-bottom:12px;}
.side-title::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--brand-2);border-radius:2px;}
.toc{display:flex;flex-direction:column;gap:2px;}
.toc a{display:block;padding:9px 12px;border-radius:10px;border-left:3px solid transparent;font-size:14px;color:var(--ink-2);text-decoration:none;transition:background .2s,color .2s,border-color .2s;}
.toc a:hover{background:var(--soft);color:var(--brand);}
.toc a.is-active{background:var(--soft);border-left-color:var(--brand);color:var(--ink);font-weight:700;}

.side-cta{position:relative;overflow:hidden;border-radius:var(--r-card);padding:24px;background:var(--dark);color:#fff;box-shadow:0 20px 48px rgba(23,19,39,.28);}
.side-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(106,59,255,.62),rgba(255,92,122,.28) 58%,rgba(23,19,39,0) 100%);}
.side-cta > *{position:relative;z-index:1;}
.side-cta h3{font-size:19px;font-weight:800;line-height:1.4;margin-bottom:8px;}
.side-cta p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.76);margin-bottom:16px;}
.badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 13px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:12px;color:#fff;margin-bottom:14px;}
.badge b{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-size:15px;font-weight:800;}
.btn-invert{background:#fff;color:var(--ink);border-radius:var(--r-pill);padding:11px 20px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;transition:background .2s,color .2s,transform .2s;}
.btn-invert:hover{background:var(--grad-brand);color:#fff;transform:translateY(-2px);}

.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li{border-bottom:1px dashed var(--line);}
.hot-list li:last-child{border-bottom:0;}
.hot-list a{display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:13.5px;line-height:1.6;color:var(--ink-2);text-decoration:none;transition:color .2s;}
.hot-list a:hover{color:var(--brand);}
.hot-list .num{flex:0 0 auto;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 var(--sp-section);}
.faq-wrap{max-width:820px;margin:0 auto;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
.section-head .lead{margin-top:8px;font-size:14px;color:var(--ink-3);}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item[open]{border-color:#DCD5F2;box-shadow:var(--sh-1);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:20px;font-weight:400;line-height:1;color:var(--brand);transition:transform .25s;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{position:relative;padding:16px 22px 20px 24px;background:var(--soft);font-size:15px;line-height:1.8;color:var(--ink-2);}
.faq-answer::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--grad-brand);}
.faq-answer p{margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#fff;padding-top:64px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col{min-width:0;}
.footer-brand{font-size:19px;font-weight:800;letter-spacing:-.01em;background:linear-gradient(120deg,#B79BFF,#FFB39B);-webkit-background-clip:text;background-clip:text;color:transparent;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.footer-quick{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;}
.footer-quick a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none;transition:color .2s,transform .2s;}
.footer-quick a:hover{color:#fff;}
.footer-col h3{position:relative;font-size:14px;font-weight:600;color:#fff;padding-bottom:12px;margin-bottom:14px;}
.footer-col h3::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--brand-2);border-radius:2px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);text-decoration:none;padding:5px 0;transition:color .2s,transform .2s;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:8px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:28px;}
  .side-col{position:static;top:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-card,.article-foot,.related{max-width:none;}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:860px){
  .nav-search{display:none;}
  .nav-top-inner{height:56px;gap:12px;}
  .nav-tabs-inner{height:44px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-body h2,.article-body h3{scroll-margin-top:104px;}
}
@media (max-width:768px){
  :root{--sp-section:44px;}
  .container{padding:0 20px;}
  .nav-top-inner,.nav-tabs-inner,.countdown-inner{padding-left:20px;padding-right:20px;}
  .article-card{padding:22px 18px;border-radius:16px;}
  .article-foot{padding:20px 18px 24px;border-radius:16px;}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .article-head{padding:14px 0 24px;}
  .meta-row{gap:8px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{margin-top:32px;}
  .faq-section{padding:44px 0 var(--sp-section);}
  .countdown-inner{height:38px;gap:10px;font-size:12px;}
  .cd-clock{font-size:14px;}
}
@media (max-width:560px){
  .related-grid{grid-template-columns:1fr;}
  .nav-actions .btn-text{display:none;}
  .btn-sm{padding:8px 15px;font-size:13px;}
  .article-title{font-size:28px;}
  .foot-actions .btn{width:100%;}
  .section-head{align-items:flex-start;}
  .countdown-inner .cd-actions{margin-left:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#6A3BFF;
  --brand-soft:#F2EFFB;
  --pink:#FF5C7A;
  --orange:#FF8A3D;
  --cyan:#00D6B4;
  --grad-brand:linear-gradient(120deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
  --ink:#171327;
  --ink-2:#2A2145;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --soft:#FAF9FE;
  --t1:#1A1726;
  --t2:#5A5570;
  --t3:#8B8799;
  --line:#E8E5F0;
  --line-hover:#D9D4E8;
  --ok:#17B26A;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-card:20px;
  --r-img:16px;
  --r-btn:999px;
  --sh1:0 8px 28px rgba(26,23,38,.08);
  --sh2:0 16px 40px rgba(26,23,38,.14);
  --sh-dark:0 20px 48px rgba(23,19,39,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;}
img{display:block;max-width:100%;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);}
p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section.soft{background:var(--soft);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.01em;margin-bottom:10px;}
.section-head p{font-size:15px;line-height:1.75;color:var(--t2);max-width:660px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-btn);padding:6px 14px;margin-bottom:16px;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 28px;font-size:15px;font-weight:600;border-radius:var(--r-btn);border:0;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(106,59,255,.24);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh2);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--t1);border:1.5px solid var(--line-hover);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45);}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--ink);border:0;}
.btn-light:hover{background:var(--grad-brand);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-sm{min-height:38px;padding:8px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--t2);background:none;border:0;padding:6px 2px;}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover{color:var(--brand);}
.btn-text:hover svg{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:90;background:#fff;box-shadow:0 1px 0 rgba(26,23,38,.05);}
.nav-top{border-bottom:1px solid var(--line);}
.nav-top-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:24px;}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.2;flex:0 0 auto;}
.brand-mark{font-size:18px;font-weight:800;letter-spacing:-.01em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand);}
.brand-sub{font-size:11px;color:var(--t3);letter-spacing:.16em;margin-top:3px;}
.nav-search{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:6px;height:40px;padding:0 5px 0 16px;background:var(--soft);border:1.5px solid var(--line);border-radius:var(--r-btn);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(106,59,255,.16);}
.nav-search input[type="search"]{flex:1 1 auto;min-width:0;height:auto;margin:0;padding:0;border:0;background:transparent;box-shadow:none;font-size:14px;color:var(--t1);outline:none;}
.nav-search input[type="search"]::placeholder{color:var(--t3);}
.nav-search button{flex:0 0 auto;width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:50%;background:var(--grad-brand);color:#fff;}
.nav-search button:hover{filter:brightness(1.08);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-tabs{border-bottom:1px solid var(--line);background:#fff;}
.nav-tabs-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:48px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory;}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:var(--r-btn);font-size:14px;color:var(--t2);background:var(--brand-soft);white-space:nowrap;transition:background .2s ease,color .2s ease;}
.tab:hover{background:#E7E0FA;color:var(--brand);}
.tab.active{background:var(--grad-brand);color:#fff;font-weight:600;}
.tab.active:hover{color:#fff;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13px;color:var(--t3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C4D9;}
.breadcrumb .current{color:var(--t1);font-weight:600;}

/* ============ Hero ============ */
.hero{position:relative;background-image:linear-gradient(100deg,rgba(23,19,39,.94) 0%,rgba(23,19,39,.72) 48%,rgba(23,19,39,.36) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#fff;padding:64px 0 56px;}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-btn);padding:6px 14px;margin-bottom:20px;}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);}
.hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.01em;color:#fff;margin-bottom:18px;max-width:16em;}
.hero-sub{font-size:17px;line-height:1.78;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-art{position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:var(--sh-dark);aspect-ratio:4/3;background:#2A2145;}
.hero-art img{width:100%;height:100%;object-fit:cover;}
.hero-art .art-badge{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-btn);background:rgba(255,255,255,.94);color:var(--t1);font-size:13px;font-weight:600;}
.hero-art .art-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px;}
.stat-badge{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);}
.stat-badge .ico{flex:0 0 auto;width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:var(--grad-brand);color:#fff;}
.stat-num{font-size:24px;font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.stat-label{font-size:13px;color:rgba(255,255,255,.72);line-height:1.5;}

/* ============ 准备清单 ============ */
.prep-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.prep-main{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--ink);min-height:360px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--sh1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;}
.prep-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .5s ease;}
.prep-main::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(23,19,39,.94) 8%,rgba(23,19,39,.42) 55%,rgba(23,19,39,.08) 100%);}
.prep-main-body{position:relative;z-index:1;padding:32px;color:#fff;}
.prep-main-body .chip{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-btn);background:rgba(255,255,255,.16);font-size:12px;font-weight:600;margin-bottom:14px;}
.prep-main-body h3{color:#fff;font-size:26px;font-weight:800;line-height:1.3;margin-bottom:10px;}
.prep-main-body p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.75;}
.prep-main:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--line-hover);}
.prep-main:hover img{transform:scale(1.04);}
.prep-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.mini-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;display:flex;gap:16px;align-items:flex-start;box-shadow:var(--sh1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--line-hover);}
.mini-card .ico{flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);}
.mini-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.mini-card p{font-size:14px;line-height:1.75;color:var(--t2);}

/* ============ 步骤 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;overflow:hidden;}
.step-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--grad-brand);opacity:0;transition:opacity .25s ease;}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--line-hover);}
.step-card:hover::before{opacity:1;}
.step-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-size:15px;font-weight:800;color:#fff;background:var(--grad-brand);margin-bottom:16px;font-variant-numeric:tabular-nums;}
.step-card h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:8px;}
.step-card p{font-size:14px;line-height:1.75;color:var(--t2);}

/* ============ 图墙 ============ */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.shot{position:relative;display:block;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:#EDEAF4;}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.shot::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(23,19,39,.88) 0%,rgba(23,19,39,.3) 52%,rgba(23,19,39,.04) 100%);}
.shot-body{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:18px;color:#fff;transition:transform .3s ease;}
.shot-body .tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-btn);background:rgba(255,255,255,.2);font-size:12px;font-weight:600;margin-bottom:8px;}
.shot-body h3{font-size:17px;font-weight:700;color:#fff;line-height:1.4;margin-bottom:4px;}
.shot-body p{font-size:13px;line-height:1.65;color:rgba(255,255,255,.76);}
.shot:hover img{transform:scale(1.04);}
.shot:hover .shot-body{transform:translateY(-4px);}

/* ============ 提示对照 ============ */
.tips-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start;}
.tips-list{display:grid;gap:14px;}
.tip-item{display:grid;grid-template-columns:auto 1fr;gap:16px;background:var(--surface);border:1px solid var(--line);border-left:3px solid transparent;border-image:var(--grad-brand) 1;border-radius:14px;padding:20px 22px;box-shadow:var(--sh1);transition:box-shadow .25s ease,transform .25s ease;}
.tip-item{border-image:none;border-left:3px solid var(--brand);}
.tip-item:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.tip-item .idx{font-size:14px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;padding-top:2px;}
.tip-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.tip-item p{font-size:14px;line-height:1.78;color:var(--t2);}
.notice{position:relative;background:#FFF6EC;border:1px solid #FBE2C0;border-left:4px solid var(--warn);border-radius:14px;padding:22px 24px;margin-bottom:20px;}
.notice h3{font-size:16px;font-weight:700;margin-bottom:8px;color:#8A5B00;}
.notice p{font-size:14px;line-height:1.8;color:#7A5A22;}
.safe-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh1);}
.safe-card h3{font-size:18px;font-weight:700;margin-bottom:14px;}
.safe-card ul{display:grid;gap:12px;}
.safe-card li{display:grid;grid-template-columns:auto 1fr;gap:10px;font-size:14px;line-height:1.75;color:var(--t2);}
.safe-card li .tick{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:rgba(23,178,106,.12);color:var(--ok);flex:0 0 auto;margin-top:3px;}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:#DCD5F2;box-shadow:var(--sh1);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--t1);cursor:pointer;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:16px;font-weight:700;transition:transform .25s ease,background .2s ease;}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-answer{padding:0 22px 20px;border-left:2px solid transparent;margin-left:22px;padding-left:16px;position:relative;}
.faq-answer::before{content:"";position:absolute;left:-3px;top:0;bottom:20px;width:2px;background:var(--grad-brand);border-radius:2px;}
.faq-answer p{font-size:15px;line-height:1.8;color:var(--t2);}

/* ============ CTA ============ */
.cta-card{position:relative;overflow:hidden;border-radius:24px;padding:48px;background:linear-gradient(135deg,#171327 0%,#2A2145 58%,#3B2A6E 100%);color:#fff;box-shadow:var(--sh-dark);}
.cta-card::after{content:"";position:absolute;right:-140px;top:-160px;width:420px;height:420px;border-radius:50%;background:var(--grad-brand);opacity:.3;filter:blur(70px);}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:800;color:#fff;margin-bottom:14px;}
.cta-copy p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);margin-bottom:12px;}
.cta-copy .hint{font-size:12px;color:rgba(255,255,255,.56);margin-top:18px;line-height:1.7;}
.cta-badge{display:inline-flex;align-items:center;gap:10px;margin-top:20px;padding:10px 16px;border-radius:var(--r-btn);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:13px;color:#fff;}
.cta-badge strong{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;}
.cta-form{display:grid;gap:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:26px;}
.field{display:grid;gap:7px;}
.field label{font-size:13px;font-weight:600;color:rgba(255,255,255,.78);}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 16px;border:1.5px solid rgba(255,255,255,.24);border-radius:12px;background:#fff;color:var(--t1);font-size:15px;box-shadow:none;margin:0;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:96px;padding:12px 16px;line-height:1.7;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A5570' stroke-width='2.4' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:44px;}
.field input::placeholder,.field textarea::placeholder{color:var(--t3);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(106,59,255,.16);}
.form-tip{font-size:12px;line-height:1.7;color:rgba(255,255,255,.58);}

/* ============ 延伸入口 ============ */
.more-links{display:flex;flex-wrap:wrap;gap:12px;}
.more-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:var(--r-btn);background:var(--surface);border:1.5px solid var(--line-hover);font-size:14px;font-weight:600;color:var(--t1);transition:all .2s ease;}
.more-link:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh1);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:18px;}
.footer-quick{display:flex;flex-wrap:wrap;gap:10px;}
.footer-quick a{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-btn);background:rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.78);margin-bottom:0;}
.footer-quick a:hover{background:rgba(255,255,255,.16);color:#fff;}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;position:relative;padding-bottom:10px;margin-bottom:16px;}
.footer-col h3::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--cyan);}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:8px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:56px 0;}
  .hero{padding:52px 0 44px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero h1{max-width:none;}
  .hero-art{max-width:520px;aspect-ratio:16/9;}
  .prep-grid{grid-template-columns:1fr;}
  .prep-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .tips-wrap{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .nav-search{display:none;}
  .nav-top-inner{height:56px;gap:12px;}
  .nav-tabs-inner{height:44px;padding:0 20px;-webkit-mask-image:linear-gradient(to right,#000 88%,transparent 100%);mask-image:linear-gradient(to right,#000 88%,transparent 100%);}
  .container{padding:0 20px;}
  .nav-top-inner{padding:0 20px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .stat-row{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:32px;}
  .stat-badge{flex-direction:column;align-items:flex-start;gap:8px;padding:12px;}
  .stat-num{font-size:20px;}
  .stat-label{font-size:12px;}
  .steps-grid{grid-template-columns:1fr;}
  .prep-side{grid-template-columns:1fr;}
  .cta-card{padding:28px;border-radius:20px;}
  .cta-form{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq-answer{margin-left:16px;padding-left:14px;}
}
@media (max-width:639px){
  .section{padding:44px 0;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .shot-body{padding:14px;}
  .shot-body h3{font-size:15px;}
  .shot-body p{font-size:12px;}
  .section-head h2{font-size:24px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#6A3BFF;
  --brand-soft:#F2EFFB;
  --cyan:#00D6B4;
  --orange:#FF8A3D;
  --pink:#FF5C7A;
  --grad-brand:linear-gradient(120deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
  --ink:#171327;
  --ink-2:#2A2145;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --surface-soft:#FAF9FE;
  --t1:#1A1726;
  --t2:#5A5570;
  --t3:#8B8799;
  --line:#E8E5F0;
  --line-hover:#D9D4E8;
  --ok:#17B26A;
  --warn:#F5A524;
  --err:#E5484D;
  --r-card:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh1:0 8px 28px rgba(26,23,38,.08);
  --sh2:0 16px 40px rgba(26,23,38,.14);
  --sh-dark:0 20px 48px rgba(23,19,39,.28);
  --container:1200px;
  --nav-h:112px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--t1);font-weight:800;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{display:block;max-width:100%;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:100%;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

/* 覆盖 Foundation 的默认链接与标题外观 */
a{color:inherit;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{font-family:inherit;letter-spacing:0;}

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

/* ============ 双层导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  box-shadow:0 1px 0 rgba(26,23,38,.04);
}
.nav-top{
  height:64px;
  border-bottom:1px solid #F1EEF8;
  background:#fff;
}
.nav-top-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:8px;
  flex-shrink:0;
}
.brand-mark{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  white-space:nowrap;
}
.brand-sub{
  font-size:12px;
  color:var(--t3);
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav-search{
  flex:1 1 auto;
  max-width:420px;
  position:relative;
  margin:0;
}
.nav-search input[type="search"]{
  width:100%;
  height:40px;
  margin:0;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  background:#FAF9FE;
  padding:0 46px 0 18px;
  font-size:14px;
  color:var(--t1);
  box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input[type="search"]::placeholder{color:var(--t3);}
.nav-search input[type="search"]:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(106,59,255,.14);
}
.nav-search button{
  position:absolute;
  top:50%;
  right:6px;
  transform:translateY(-50%);
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  border:none;border-radius:50%;
  background:transparent;
  color:var(--t2);
  cursor:pointer;
  margin:0;
  transition:background .2s ease,color .2s ease;
}
.nav-search button:hover{background:var(--brand-soft);color:var(--brand);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{min-height:38px;padding:9px 20px;font-size:14px;}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 6px 18px rgba(106,59,255,.22);
}
.btn-primary:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:var(--sh2);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--t1);
  border-color:var(--line-hover);
}
.btn-ghost:hover{
  color:var(--brand);
  border-color:var(--brand);
  transform:translateY(-2px);
  box-shadow:var(--sh1);
}
.btn-ghost:active{transform:translateY(0);}
.btn-light{
  background:#fff;
  color:var(--t1);
  border-color:transparent;
}
.btn-light:hover{
  background:var(--grad-brand);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-dark);
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  font-size:14px;
  font-weight:600;
  color:var(--t2);
  transition:color .2s ease;
}
.btn-text::after{
  content:"";
  width:14px;height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform .22s ease;
}
.btn-text:hover{color:var(--brand);}
.btn-text:hover::after{transform:translateX(4px);}

/* 第二行频道 Tabs */
.nav-tabs{
  height:48px;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck .nav-tabs{
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(26,23,38,.06);
}
.nav-tabs-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:48px;
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  scroll-snap-type:x mandatory;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--t2);
  background:var(--brand-soft);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.tab:hover{background:#E7E1FB;color:var(--brand);}
.tab.active{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 6px 16px rgba(106,59,255,.24);
}
.tab.active:hover{color:#fff;}

/* ============ 安全快讯条 ============ */
.notice-bar{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.notice-bar::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--grad-brand);
}
.notice-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  min-height:44px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.notice-tag{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  color:var(--cyan);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
}
.notice-text{
  flex:1 1 320px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.78);
  padding:8px 0;
}
.notice-link{
  flex:0 0 auto;
  font-size:13px;
  font-weight:600;
  color:#fff;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 0;
}
.notice-link::after{
  content:"";
  width:12px;height:2px;background:var(--cyan);border-radius:2px;
  transition:transform .2s ease;
}
.notice-link:hover{color:var(--cyan);}
.notice-link:hover::after{transform:translateX(4px);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  color:#fff;
  padding:40px 0 56px;
  background-image:
    linear-gradient(100deg,rgba(23,19,39,.94) 0%,rgba(23,19,39,.78) 46%,rgba(23,19,39,.44) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:460px;height:460px;
  right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(106,59,255,.55) 0%,rgba(255,92,122,.18) 45%,transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{color:rgba(255,255,255,.35);}
.breadcrumb .current{color:#fff;font-weight:600;}

.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  letter-spacing:-.01em;
  max-width:19em;
  margin-bottom:16px;
}
.hero-lead{
  font-size:clamp(16px,1.5vw,18px);
  line-height:1.75;
  color:rgba(255,255,255,.78);
  max-width:44em;
}

.stat-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-top:28px;
  max-width:680px;
}
.stat-badge{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:14px 18px;
  border-radius:16px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:none;
}
.stat-num{
  font-size:24px;
  font-weight:800;
  line-height:1.2;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.stat-num em{
  font-style:normal;
  font-size:13px;
  font-weight:600;
  color:var(--cyan);
  margin-left:4px;
}
.stat-label{
  font-size:13px;
  color:rgba(255,255,255,.66);
  line-height:1.5;
}

/* ============ 板块通用 ============ */
.section{
  padding:72px 0;
  scroll-margin-top:128px;
}
.section-alt{background:var(--surface-soft);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-title{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.28;
  position:relative;
  padding-left:16px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--grad-brand);
}
.section-desc{
  font-size:14px;
  color:var(--t2);
  line-height:1.75;
  margin-top:8px;
  padding-left:16px;
  max-width:52em;
}

/* ============ 图集墙 ============ */
.wall{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  grid-auto-rows:210px;
  grid-auto-flow:dense;
  gap:18px;
}
.wall-item{
  position:relative;
  display:block;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:#DDD9EA;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.wall-item:hover{
  transform:translateY(-4px);
  border-color:#DCD5F2;
  box-shadow:var(--sh2);
}
.wall-item.tall{grid-row:span 2;}
.wall-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.wall-item:hover img{transform:scale(1.04);}
.wall-veil{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:6px;
  padding:16px;
  background:linear-gradient(to top,rgba(23,19,39,.9) 0%,rgba(23,19,39,.42) 42%,rgba(23,19,39,0) 74%);
  transition:background .3s ease;
}
.wall-item:hover .wall-veil{
  background:linear-gradient(to top,rgba(23,19,39,.95) 0%,rgba(23,19,39,.6) 46%,rgba(23,19,39,.12) 78%);
}
.wall-tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  color:var(--t1);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.wall-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  text-shadow:0 1px 8px rgba(0,0,0,.35);
}
.wall-item.tall .wall-title{font-size:19px;}
.wall-meta{
  font-size:12px;
  color:rgba(255,255,255,.7);
  line-height:1.5;
}

.wall-more{
  display:flex;
  justify-content:center;
  margin-top:36px;
}

/* ============ 说明块 ============ */
.note-block{
  max-width:820px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:36px 40px;
  box-shadow:var(--sh1);
}
.note-block h2{
  font-size:22px;
  margin-bottom:14px;
}
.note-block p{
  font-size:15px;
  line-height:1.9;
  color:var(--t2);
}
.note-block p + p{margin-top:12px;}
.note-hint{
  margin-top:20px;
  padding:14px 18px;
  border-left:3px solid var(--warn);
  background:#FFF6EC;
  border-radius:8px;
  font-size:14px;
  line-height:1.8;
  color:#8A5A16;
}

/* ============ FAQ ============ */
.faq-wrap{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--line-hover);box-shadow:var(--sh1);}
.faq-item[open]{
  border-color:#DCD5F2;
  box-shadow:var(--sh1);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--t1);
  min-height:44px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:20px;height:20px;
  border-radius:50%;
  background:var(--brand-soft);
  transition:transform .25s ease,background .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:background .25s ease;
}
.faq-icon::before{left:5px;right:5px;top:9px;height:2px;}
.faq-icon::after{top:5px;bottom:5px;left:9px;width:2px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);}
.faq-item[open] .faq-icon::before,
.faq-item[open] .faq-icon::after{background:#fff;}
.faq-answer{
  padding:0 22px 20px 22px;
  border-left:2px solid transparent;
  background:var(--surface-soft);
  margin:0 0 0 0;
}
.faq-answer p{
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
  padding-top:14px;
  border-left:2px solid var(--brand);
  padding-left:16px;
}

/* ============ CTA ============ */
.cta-band{
  padding:0 0 72px;
  scroll-margin-top:128px;
}
.cta-card{
  position:relative;
  border-radius:var(--r-card);
  padding:48px;
  color:#fff;
  overflow:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(115deg,rgba(106,59,255,.55) 0%,rgba(255,92,122,.28) 48%,rgba(23,19,39,.92) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-dark);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-text{max-width:600px;}
.cta-card h2{
  color:#fff;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  margin-bottom:14px;
}
.cta-card p{
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
}
.cta-actions{
  flex:0 0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
}
.cta-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:20px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  font-size:13px;
  color:rgba(255,255,255,.82);
}
.cta-badge strong{
  font-size:20px;
  font-weight:800;
  color:#fff;
  font-variant-numeric:tabular-nums;
}

/* ============ 延伸入口 ============ */
.more-links{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px 18px;
  padding:0 0 72px;
  font-size:14px;
  color:var(--t3);
}
.more-links a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:40px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--t2);
  font-weight:600;
  transition:color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.more-links a:hover{
  color:var(--brand);
  border-color:var(--brand);
  transform:translateY(-2px);
  box-shadow:var(--sh1);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:-.01em;
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:34em;
}
.footer-quick{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.footer-quick a{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.78);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-quick a:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  transform:translateY(-2px);
}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h3::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:32px;height:2px;
  background:var(--cyan);
  border-radius:2px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:6px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  margin-bottom:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .wall{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:190px;}
  .wall-item.tall{grid-row:span 1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{flex-direction:column;align-items:flex-start;gap:28px;padding:40px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .nav-search{max-width:300px;}
}
@media screen and (max-width:768px){
  .container{padding:0 20px;}
  .nav-top-inner{padding:0 20px;gap:12px;height:56px;}
  .nav-top{height:56px;}
  .brand-mark{font-size:15px;}
  .brand-sub{display:none;}
  .nav-search{display:none;}
  .nav-actions{margin-left:auto;gap:10px;}
  .nav-tabs-inner{padding:0 20px;gap:8px;height:44px;}
  .nav-tabs{height:44px;}
  .tab{height:30px;padding:0 14px;font-size:13px;}
  .notice-inner{padding:0 20px;gap:10px;}
  .notice-text{font-size:13px;flex:1 1 100%;padding-top:10px;padding-bottom:2px;}
  .notice-link{padding-bottom:10px;}
  .page-hero{padding:32px 0 44px;}
  .section{padding:44px 0;scroll-margin-top:104px;}
  .wall{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:160px;gap:12px;}
  .wall-title{font-size:14px;}
  .wall-veil{padding:12px;}
  .note-block{padding:26px 22px;}
  .cta-band{padding-bottom:44px;scroll-margin-top:104px;}
  .more-links{padding-bottom:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
}
@media screen and (max-width:520px){
  .wall{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:150px;gap:10px;}
  .wall-meta{display:none;}
  .wall-title{font-size:13px;line-height:1.45;}
  .wall-tag{font-size:11px;height:20px;padding:0 8px;}
  .stat-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}
  .stat-badge{padding:10px 12px;}
  .stat-num{font-size:19px;}
  .stat-label{font-size:11px;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .btn-text{display:none;}
  .cta-card{padding:28px;}
  .cta-actions{width:100%;}
  .faq-item summary{padding:16px;font-size:15px;}
  .faq-answer{padding:0 16px 18px;}
  .faq-answer p{font-size:14px;padding-left:12px;}
}

/* roulang page: category3 */
:root{
  --brand:#6A3BFF;
  --mint:#00D6B4;
  --orange:#FF8A3D;
  --pink:#FF5C7A;
  --grad-brand:linear-gradient(120deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
  --ink:#1A1726;
  --ink-2:#5A5570;
  --ink-3:#8B8799;
  --bg:#F6F5FA;
  --soft:#FAF9FE;
  --tint:#F2EFFB;
  --line:#E8E5F0;
  --line-2:#EDEAF4;
  --line-h:#D9D4E8;
  --dark:#171327;
  --dark-2:#2A2145;
  --ok:#17B26A;
  --warn:#F5A524;
  --err:#E5484D;
  --sh-1:0 8px 28px rgba(26,23,38,.08);
  --sh-2:0 16px 40px rgba(26,23,38,.14);
  --r-card:20px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-soft{background:var(--soft);}
.section-head{max-width:820px;margin:0 auto 36px;text-align:center;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:12px;font-size:16px;line-height:1.75;color:var(--ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--tint);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 28px;
  border:1.5px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,color .22s ease,background .22s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 22px rgba(106,59,255,.26);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(106,59,255,.24);}
.btn-ghost{background:#fff;border-color:var(--line-h);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--grad-brand);color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(23,19,39,.32);}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  background:none;border:0;padding:8px 0;cursor:pointer;
}
.btn-text .arw{transition:transform .2s ease;}
.btn-text:hover{color:var(--brand);}
.btn-text:hover .arw{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;}
.nav-top{border-bottom:1px solid var(--line);background:#fff;}
.nav-top-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  min-height:64px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:baseline;gap:10px;flex-shrink:0;}
.brand-mark{
  font-size:18px;font-weight:800;letter-spacing:-.01em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  white-space:nowrap;
}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.08em;white-space:nowrap;}
.nav-search{
  position:relative;flex:1 1 auto;max-width:420px;margin:0;
  display:flex;align-items:center;
  background:#F7F5FD;border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(106,59,255,.16);}
.nav-search input[type="search"]{
  flex:1;height:42px;margin:0;padding:0 4px 0 18px;
  border:0;background:transparent;box-shadow:none;
  font-size:14px;color:var(--ink);
}
.nav-search input[type="search"]::placeholder{color:var(--ink-3);}
.nav-search input[type="search"]:focus{outline:none;box-shadow:none;}
.nav-search button{
  width:40px;height:40px;margin:0 2px 0 0;padding:0;
  display:flex;align-items:center;justify-content:center;
  border:0;border-radius:50%;background:transparent;color:var(--ink-2);cursor:pointer;
  transition:color .2s ease,background .2s ease;
}
.nav-search button:hover{color:var(--brand);background:var(--tint);}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;margin-left:auto;}

.nav-tabs{background:#fff;border-bottom:1px solid var(--line);}
.nav-tabs-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:48px;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  -ms-overflow-style:none;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(90deg,#000 92%,rgba(0,0,0,.25) 100%);
  mask-image:linear-gradient(90deg,#000 92%,rgba(0,0,0,.25) 100%);
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:#F2EFFB;color:var(--ink-2);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.tab:hover{background:#E8E1FB;color:var(--brand);}
.tab.active{background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(106,59,255,.24);}
.tab.active:hover{color:#fff;}

/* ---------- 倒计时条 ---------- */
.countdown{position:relative;background:var(--dark);color:#fff;}
.countdown::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);}
.countdown-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  min-height:44px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);
}
.cd-label{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);color:#fff;font-size:12px;font-weight:600;
}
.cd-time{
  font-size:16px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:.03em;
}
.cd-colon{color:var(--mint);}
.cd-link{
  margin-left:auto;display:inline-flex;align-items:center;
  height:26px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:12px;font-weight:600;
  transition:filter .2s ease,transform .2s ease;
}
.cd-link:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.6;}
.crumb a{color:inherit;opacity:.78;}
.crumb a:hover{opacity:1;}
.crumb .sep{opacity:.45;}
.crumb .cur{font-weight:600;opacity:1;}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;
  background:var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:36px 0 96px;
  scroll-margin-top:128px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(23,19,39,.94) 0%,rgba(23,19,39,.74) 52%,rgba(23,19,39,.38) 100%);
}
.hero-inner{position:relative;z-index:1;max-width:780px;}
.hero .crumb{color:rgba(255,255,255,.72);margin-bottom:26px;}
.hero .crumb .cur{color:#fff;}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 18px;
}
.hero h1 .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;line-height:1.75;color:rgba(255,255,255,.78);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13px;color:rgba(255,255,255,.62);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}

/* ---------- 数据徽章 ---------- */
.hero-badges{position:relative;z-index:2;margin-top:-46px;}
.badges{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.badge-card{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line-2);border-radius:18px;
  padding:16px 18px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.badge-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DCD5F2;}
.badge-ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--tint);color:var(--brand);font-size:16px;
}
.badge-num{font-size:24px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.badge-num small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:2px;}
.badge-label{font-size:13px;color:var(--ink-3);line-height:1.5;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:900px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
}
.step{position:relative;padding-left:70px;margin-bottom:22px;}
.step:last-child{margin-bottom:0;}
.step-dot{
  position:absolute;left:0;top:4px;z-index:2;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  border:4px solid var(--bg);box-shadow:0 8px 20px rgba(106,59,255,.28);
}
.step-card{
  display:grid;grid-template-columns:1fr 190px;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DCD5F2;}
.step-tag{
  display:inline-block;margin-bottom:8px;padding:3px 11px;
  border-radius:8px;background:var(--tint);color:var(--brand);
  font-size:12px;font-weight:600;
}
.step-card h3{font-size:20px;line-height:1.4;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:15px;line-height:1.8;color:var(--ink-2);}
.step-thumb{
  aspect-ratio:16/11;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line-2);background:var(--tint);
}
.step-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.step-card:hover .step-thumb img{transform:scale(1.04);}

/* ---------- 图文两栏 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.split-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-2);
  box-shadow:var(--sh-1);aspect-ratio:4/3;background:var(--tint);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;font-weight:800;margin:14px 0 16px;letter-spacing:-.01em;}
.split-body > p{font-size:16px;line-height:1.85;color:var(--ink-2);}
.check-list{margin:22px 0 26px;display:grid;gap:14px;}
.check-list li{position:relative;padding-left:30px;font-size:15px;line-height:1.8;color:var(--ink-2);}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--grad-brand);box-shadow:0 0 0 4px rgba(106,59,255,.1);
}
.check-list strong{color:var(--ink);font-weight:700;}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-h);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 22px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:400;line-height:1;color:var(--brand);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item[open] summary{color:var(--brand);}
.faq-body{
  padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);
  background:var(--soft);box-shadow:inset 3px 0 0 var(--brand);
}

/* ---------- 渐变 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  max-width:var(--container);margin:0 auto;
  border-radius:var(--r-card);padding:48px;
  color:#fff;
  background:linear-gradient(118deg,#171327 0%,#2A2145 46%,#5A2E7E 74%,#A03F6C 100%);
  box-shadow:0 20px 48px rgba(23,19,39,.28);
  scroll-margin-top:128px;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border-radius:50%;background:var(--grad-brand);opacity:.26;filter:blur(2px);pointer-events:none;
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;}
.cta-band h2{font-size:clamp(24px,2.6vw,30px);line-height:1.3;font-weight:800;margin-bottom:12px;}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.76);}
.cta-note{display:block;margin-top:14px;font-size:12px;color:rgba(255,255,255,.55);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-badge{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:20px;padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.82);
}
.cta-badge b{font-size:18px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}

/* ---------- 延伸入口 ---------- */
.more-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:10px;}
.more-links a{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:10px 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-h);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .22s ease;
}
.more-links a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.more-links a .arw{transition:transform .2s ease;}
.more-links a:hover .arw{transform:translateX(3px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:64px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{
  font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em;
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:330px;}
.footer-quick{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;}
.footer-quick a{font-size:13px;color:rgba(255,255,255,.72);}
.footer-quick a:hover{color:#fff;}
.footer-col h3{
  position:relative;font-size:14px;font-weight:600;color:#fff;
  margin-bottom:18px;padding-bottom:10px;
}
.footer-col h3::after{
  content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;border-radius:2px;background:var(--mint);
}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.72);
  padding:6px 0;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.64);margin-bottom:8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:48px;padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .section{padding:56px 0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split-media{order:-1;}
  .cta-grid{grid-template-columns:1fr;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-search{max-width:280px;}
}
@media screen and (max-width:900px){
  .nav-search{display:none;}
}
@media screen and (max-width:768px){
  .section{padding:48px 0;}
  .hero{padding:26px 0 78px;}
  .hero-meta{gap:16px;}
  .badges{grid-template-columns:repeat(3,1fr);gap:10px;}
  .badge-card{flex-direction:column;align-items:flex-start;gap:8px;padding:12px 12px;}
  .badge-num{font-size:20px;}
  .badge-label{font-size:12px;}
  .step-card{grid-template-columns:1fr;gap:16px;padding:20px;}
  .step-thumb{order:-1;aspect-ratio:16/9;}
  .cta-band{padding:32px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media screen and (max-width:640px){
  .container{padding:0 20px;}
  .nav-top-inner{padding:0 20px;min-height:56px;gap:12px;}
  .brand-sub{display:none;}
  .brand-mark{font-size:16px;}
  .nav-tabs-inner{padding:0 20px;height:44px;}
  .nav-actions .btn-sm{padding:8px 14px;font-size:13px;}
  .countdown-inner{min-height:36px;font-size:12px;gap:10px;}
  .cd-time{font-size:14px;}
  .cd-link{margin-left:0;}
  .hero h1{font-size:28px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .badges{grid-template-columns:1fr;}
  .badge-card{flex-direction:row;align-items:center;}
  .timeline::before{left:17px;}
  .step{padding-left:56px;}
  .step-dot{width:36px;height:36px;font-size:14px;border-width:3px;top:2px;}
  .step-card h3{font-size:18px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .more-links a{width:100%;justify-content:space-between;}
}

/* roulang page: category5 */
:root{
  --brand:#6A3BFF;
  --brand-pink:#FF5C7A;
  --brand-orange:#FF8A3D;
  --cyan:#00D6B4;
  --ink:#171327;
  --ink-2:#2A2145;
  --bg:#F6F5FA;
  --surface:#FFFFFF;
  --surface-soft:#FAF9FE;
  --tint:#F2EFFB;
  --tint-2:#E7E1FA;
  --text:#1A1726;
  --text-2:#5A5570;
  --muted:#8B8799;
  --line:#E8E5F0;
  --line-2:#D9D4E8;
  --ok:#17B26A;
  --warn:#F5A524;
  --err:#E5484D;
  --grad-brand:linear-gradient(120deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
  --r-card:20px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 8px 28px rgba(26,23,38,.08);
  --sh-2:0 16px 40px rgba(26,23,38,.14);
  --sh-dark:0 20px 48px rgba(23,19,39,.28);
  --sec:72px;
  --font:PingFang SC,"Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
button{font-family:inherit;}
input,button{font-size:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
section{scroll-margin-top:128px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
  text-align:center;
}
.btn-primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 8px 22px rgba(106,59,255,.24);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(106,59,255,.2);}
.btn-ghost{
  background:#fff;color:var(--text);border-color:var(--line-2);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{
  background:#fff;color:var(--ink);font-weight:700;
}
.btn-light:hover{background:var(--grad-brand);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-dark);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--text-2);
  padding:6px 2px;min-height:36px;background:none;border:none;cursor:pointer;
  transition:color .22s ease;
}
.btn-text::after{
  content:"→";font-size:14px;transition:transform .22s ease;color:var(--brand);
}
.btn-text:hover{color:var(--brand);}
.btn-text:hover::after{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(26,23,38,.05);
}
.nav-top-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.15;flex:none;}
.brand-mark{
  font-size:18px;font-weight:800;letter-spacing:-.01em;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;margin-top:2px;}
.nav-search{
  flex:1 1 auto;max-width:430px;
  display:flex;align-items:center;gap:6px;
  height:40px;padding:0 5px 0 16px;
  background:var(--surface-soft);
  border:1.5px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.nav-search:focus-within{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(106,59,255,.16);
}
.nav-search input{
  flex:1;min-width:0;border:none;background:transparent;outline:none;
  font-size:14px;color:var(--text);height:100%;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search button{
  flex:none;width:32px;height:32px;border:none;border-radius:50%;
  background:#fff;color:var(--text-2);display:grid;place-items:center;cursor:pointer;
  transition:background .22s ease,color .22s ease;
}
.nav-search button:hover{background:var(--tint);color:var(--brand);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex:none;}

.nav-tabs{
  background:#fff;border-top:1px solid var(--line);
}
.nav-tabs-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:48px;display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  scroll-snap-type:x mandatory;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:none;scroll-snap-align:start;
  padding:8px 18px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--text-2);
  background:var(--tint);white-space:nowrap;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease;
}
.tab:hover{background:var(--tint-2);color:var(--brand);}
.tab.active{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 6px 16px rgba(106,59,255,.24);
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:var(--surface-soft);border-bottom:1px solid var(--line);}
.breadcrumb{
  max-width:1200px;margin:0 auto;padding:14px 24px;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C4DA;}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ============ Hero ============ */
.faq-hero{
  position:relative;
  padding:64px 0 68px;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(23,19,39,.92) 0%,rgba(23,19,39,.78) 46%,rgba(23,19,39,.38) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.faq-hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-btn);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:#fff;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);}
.faq-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  max-width:820px;
}
.hero-lead{
  margin-top:18px;max-width:700px;
  font-size:17px;line-height:1.75;color:rgba(255,255,255,.78);
}
.hero-search{
  margin-top:32px;max-width:560px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border-radius:var(--r-btn);
  padding:6px 6px 6px 22px;
  box-shadow:var(--sh-dark);
}
.hero-search input{
  flex:1;min-width:0;height:44px;border:none;background:transparent;outline:none;
  font-size:15px;color:var(--text);
}
.hero-search input::placeholder{color:var(--muted);}
.hero-search .btn{flex:none;}
.hero-pills{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;
}
.hero-pills a{
  display:inline-flex;align-items:center;min-height:40px;
  padding:8px 18px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;
  color:#fff;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.hero-pills a:hover{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.42);transform:translateY(-2px);}
.hero-pills a.is-active{background:var(--grad-brand);border-color:transparent;box-shadow:0 8px 20px rgba(106,59,255,.3);}

/* ============ 主体 ============ */
.page-main{padding:var(--sec) 0 0;}
.faq-stage{max-width:900px;margin:0 auto;}
.group-block{margin-bottom:56px;}
.group-head{
  display:flex;align-items:center;gap:14px;
  margin-bottom:22px;
}
.group-head .bar{
  width:4px;height:26px;border-radius:4px;background:var(--grad-brand);flex:none;
}
.group-head h2{
  font-size:clamp(22px,2.6vw,28px);line-height:1.28;font-weight:800;letter-spacing:-.01em;
}
.group-head .count{
  margin-left:auto;flex:none;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--tint);border-radius:var(--r-btn);padding:5px 14px;
  font-variant-numeric:tabular-nums;
}

.faq-item{
  background:#fff;border:1px solid #EDEAF4;border-radius:16px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.faq-item:hover{border-color:var(--line-2);box-shadow:var(--sh-1);}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 56px 18px 20px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;
  width:12px;height:12px;margin-top:-8px;
  background:
    linear-gradient(var(--text-2),var(--text-2)) center/100% 2px no-repeat,
    linear-gradient(var(--text-2),var(--text-2)) center/2px 100% no-repeat;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary:hover::after{
  background:
    linear-gradient(var(--brand),var(--brand)) center/100% 2px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/2px 100% no-repeat;
}
.faq-answer{
  padding:0 20px 20px 20px;
}
.faq-answer .inner{
  background:var(--surface-soft);
  border-left:2px solid var(--brand-pink);
  border-radius:0 12px 12px 0;
  padding:16px 20px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.faq-answer .inner p+p{margin-top:10px;}
.faq-answer strong{color:var(--text);font-weight:700;}

/* ============ 还有疑问 CTA ============ */
.ask-card{
  position:relative;overflow:hidden;
  background:var(--ink);
  border-radius:var(--r-card);
  padding:44px;
  color:#fff;
  box-shadow:var(--sh-dark);
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}
.ask-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(132deg,rgba(106,59,255,.62) 0%,rgba(255,92,122,.28) 48%,rgba(255,138,61,.06) 100%);
  pointer-events:none;
}
.ask-card>*{position:relative;z-index:2;}
.ask-card h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;
}
.ask-card .desc{
  margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.75);max-width:440px;
}
.ask-badges{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;
}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
}
.badge .num{
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;
  background:linear-gradient(120deg,#fff,#FFD9C9);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
}
.badge .txt{font-size:13px;color:rgba(255,255,255,.72);}
.ask-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 18px 40px rgba(0,0,0,.3);
}
.ask-media img{width:100%;height:100%;object-fit:cover;}
.ask-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 延伸入口 ============ */
.more-links{
  margin-top:var(--sec);
  padding:44px 0;
  background:var(--surface-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.more-links-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px 24px;
}
.more-links h2{
  font-size:18px;font-weight:800;flex:none;margin-right:8px;
}
.more-links .link-group{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  font-size:19px;font-weight:800;color:#fff;margin-bottom:14px;line-height:1.3;
}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:330px;}
.footer-quick{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px 18px;}
.footer-quick a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-quick a:hover{color:#fff;}
.footer-col h3{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;position:relative;padding-bottom:12px;
}
.footer-col h3::after{
  content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--cyan);border-radius:2px;
}
.footer-col a,.footer-col p{
  display:block;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);margin-bottom:8px;
  transition:color .22s ease,transform .22s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sec:56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ask-card{grid-template-columns:1fr;gap:28px;padding:36px;}
  .ask-media{aspect-ratio:16/9;max-width:480px;}
}
@media screen and (max-width:900px){
  .nav-search{max-width:280px;}
}
@media screen and (max-width:768px){
  .container{padding:0 20px;}
  .nav-top-inner{padding:0 20px;height:56px;gap:12px;}
  .nav-tabs-inner{padding:0 20px;height:44px;}
  .nav-search{display:none;}
  .brand-mark{font-size:16px;}
  .nav-actions{gap:10px;}
  .nav-actions .btn-sm{padding:8px 14px;font-size:13px;min-height:36px;}
  .breadcrumb{padding:12px 20px;}
  .faq-hero{padding:48px 0 52px;}
  .hero-lead{font-size:16px;}
  .hero-search{padding:5px 5px 5px 18px;margin-top:26px;}
  .hero-search input{height:40px;font-size:14px;}
  .group-head{flex-wrap:wrap;}
  .group-head .count{margin-left:0;}
  .ask-card{padding:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  section{scroll-margin-top:104px;}
}
@media screen and (max-width:520px){
  body{font-size:15px;}
  .nav-actions .btn-text{display:none;}
  .brand-sub{display:none;}
  .faq-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-pills{gap:8px;}
  .hero-pills a{padding:7px 14px;font-size:13px;min-height:36px;}
  .hero-search{flex-wrap:wrap;border-radius:20px;padding:14px;}
  .hero-search input{width:100%;flex:1 0 100%;height:36px;padding:0 4px;}
  .hero-search .btn{width:100%;}
  .faq-item summary{padding:16px 46px 16px 16px;font-size:15px;}
  .faq-answer{padding:0 16px 16px;}
  .faq-answer .inner{padding:14px 16px;font-size:14px;}
  .ask-card{padding:22px;border-radius:16px;}
  .ask-badges{gap:8px;}
  .badge{padding:8px 14px;}
  .badge .num{font-size:19px;}
  .more-links{padding:32px 0;}
  .more-links-inner{flex-direction:column;align-items:flex-start;}
  .more-links .link-group{width:100%;}
  .more-links .link-group .btn{flex:1 1 46%;padding:10px 14px;font-size:14px;}
}

/* roulang page: category4 */
:root{
  --brand:#6A3BFF;
  --cyan:#00D6B4;
  --orange:#FF8A3D;
  --pink:#FF5C7A;
  --grad-brand:linear-gradient(120deg,#6A3BFF 0%,#FF5C7A 52%,#FF8A3D 100%);
  --ink:#1A1726;
  --ink-2:#5A5570;
  --ink-3:#8B8799;
  --bg:#F6F5FA;
  --card:#FFFFFF;
  --soft:#FAF9FE;
  --soft-2:#F2EFFB;
  --line:#E8E5F0;
  --line-2:#D9D4E8;
  --dark:#171327;
  --dark-2:#2A2145;
  --r-card:20px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 8px 28px rgba(26,23,38,.08);
  --sh-2:0 16px 40px rgba(26,23,38,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer}
input,button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
::selection{background:rgba(106,59,255,.16);color:var(--ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x > .cell{padding-left:12px;padding-right:12px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 1px 0 var(--line)}
.nav-top{border-bottom:1px solid var(--line);background:#fff}
.nav-top-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:64px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.1;flex:0 0 auto}
.brand-mark{
  font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.16em;margin-top:4px}
.brand:hover .brand-mark{filter:brightness(1.05)}

.nav-search{
  display:flex;align-items:center;gap:6px;
  flex:1 1 200px;max-width:400px;height:40px;
  padding:0 6px 0 16px;
  background:#fff;border:1.5px solid var(--line-2);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(106,59,255,.14)}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  flex:0 0 auto;width:30px;height:30px;border:0;border-radius:999px;
  background:var(--soft-2);color:var(--brand);
  display:grid;place-items:center;transition:background .18s ease,color .18s ease;
}
.nav-search button:hover{background:var(--grad-brand);color:#fff}

.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto}

.nav-tabs{background:#fff;border-bottom:1px solid var(--line)}
.nav-tabs-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:48px;display:flex;align-items:center;gap:8px;
  overflow-x:auto;overflow-y:hidden;scrollbar-width:none;scroll-snap-type:x mandatory;
}
.nav-tabs-inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;height:32px;padding:0 16px;border-radius:999px;
  display:inline-flex;align-items:center;
  font-size:14px;font-weight:500;color:var(--ink-2);background:var(--soft-2);
  scroll-snap-align:start;transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.tab:hover{background:#E8E2FB;color:var(--brand)}
.tab.active{background:var(--grad-brand);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(106,59,255,.24)}
.tab.active:hover{color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;background:transparent;color:var(--ink);
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(106,59,255,.24)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--grad-brand);color:#fff;transform:translateY(-2px);box-shadow:0 18px 40px rgba(23,19,39,.32)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease;
}
.btn-text svg{transition:transform .18s ease}
.btn-text:hover{color:var(--brand)}
.btn-text:hover svg{transform:translateX(4px)}
.btn-text:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:36px 0 52px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--soft) 58%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,rgba(106,59,255,.16),rgba(255,92,122,.08) 52%,rgba(255,138,61,0) 72%);
  pointer-events:none;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:18px;
}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--line-2)}
.crumb .cur{color:var(--ink);font-weight:600}
.page-title{
  font-size:clamp(28px,3.6vw,42px);line-height:1.22;font-weight:800;letter-spacing:-.015em;
  max-width:16em;
}
.page-title .accent{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{
  margin-top:16px;max-width:36em;
  font-size:16px;line-height:1.78;color:var(--ink-2);
}
.hero-figure{
  margin:0;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;
  box-shadow:var(--sh-1);border:1px solid #fff;background:var(--soft-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ============ 数据徽章条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin:-26px 0 0;position:relative;z-index:2;
}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px 18px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.stat b{
  display:block;font-size:24px;line-height:1.2;font-weight:800;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:4px;font-size:13px;color:var(--ink-3)}

/* ============ 双栏布局 ============ */
.layout{
  display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;
  align-items:start;margin-top:52px;
}
.anchor-nav{
  position:sticky;top:132px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 14px;box-shadow:var(--sh-1);
}
.anchor-nav .anchor-title{
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-3);
  padding:0 10px 10px;margin:0;
}
.anchor-nav a{
  position:relative;display:block;
  padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--ink-2);line-height:1.5;
  transition:background .18s ease,color .18s ease;
}
.anchor-nav a:hover{background:var(--soft-2);color:var(--brand)}
.anchor-nav a.is-active{background:var(--soft-2);color:var(--ink);font-weight:700}
.anchor-nav a.is-active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:var(--grad-brand);
}
.anchor-note{
  margin-top:14px;padding:14px;border-radius:14px;background:var(--soft);
  border-left:3px solid var(--brand);
  font-size:13px;line-height:1.75;color:var(--ink-2);
}

/* ============ 正文 ============ */
.doc-body{min-width:0}
.doc-section{margin-bottom:44px;scroll-margin-top:140px}
.doc-section:last-child{margin-bottom:0}
.doc-section h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(21px,2.3vw,26px);line-height:1.35;font-weight:800;
  margin-bottom:4px;
}
.doc-section h2 .idx{
  flex:0 0 auto;width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;
  background:var(--grad-brand);
}
.doc-body p{
  margin-top:14px;font-size:16px;line-height:1.9;color:var(--ink-2);
}
.dot-list{margin-top:14px}
.dot-list li{
  position:relative;padding-left:22px;margin-top:10px;
  font-size:15.5px;line-height:1.8;color:var(--ink-2);
}
.dot-list li::before{
  content:"";position:absolute;left:4px;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--grad-brand);
}
.dot-list li strong{color:var(--ink);font-weight:700}

.note{
  margin-top:18px;padding:14px 18px;
  border-left:3px solid var(--orange);border-radius:12px;
  background:#FFF6EC;font-size:14.5px;line-height:1.8;color:#7A5320;
}
.note b{color:#5C3D12}

.table-wrap{
  margin-top:18px;background:#fff;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
}
.table-scroll{overflow-x:auto}
.table-wrap table{width:100%;min-width:620px;font-size:14.5px}
.table-wrap th{
  background:var(--soft-2);color:var(--ink);
  font-size:13.5px;font-weight:700;text-align:left;
  padding:13px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-wrap td{
  padding:13px 18px;border-bottom:1px solid var(--line);
  color:var(--ink-2);line-height:1.7;vertical-align:top;
}
.table-wrap tbody tr:nth-child(even) td{background:var(--soft)}
.table-wrap tbody tr:last-child td{border-bottom:0}
.table-wrap td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}

.dark-note{
  position:relative;overflow:hidden;margin-top:36px;
  background:var(--dark);border-radius:var(--r-card);
  padding:28px 30px;color:#fff;
  box-shadow:0 20px 48px rgba(23,19,39,.28);
}
.dark-note::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,214,180,.22),rgba(106,59,255,.16) 46%,rgba(23,19,39,0) 72%);
  pointer-events:none;
}
.dark-note h3{font-size:16px;font-weight:700;margin-bottom:10px;color:#fff}
.dark-note p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);position:relative;z-index:1;margin-top:0}
.dark-note p + p{margin-top:8px}

/* ============ FAQ ============ */
.faq-block{margin-top:60px;max-width:860px}
.section-head{margin-bottom:20px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35}
.section-head p{margin-top:10px;font-size:14px;color:var(--ink-3);line-height:1.7}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:#fff;
  margin-top:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--line-2);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  font-size:22px;font-weight:400;line-height:1;color:var(--brand);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--sh-1)}
.faq-body{
  padding:14px 20px 18px;
  background:var(--soft);
  border-left:3px solid transparent;
  border-image:linear-gradient(180deg,#6A3BFF,#FF8A3D) 1;
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;margin-top:64px;
  background:var(--dark);border-radius:var(--r-card);
  padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 20px 48px rgba(23,19,39,.28);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(106,59,255,.42) 0%,rgba(255,92,122,.20) 46%,rgba(255,138,61,.10) 100%);
  pointer-events:none;
}
.cta-copy,.cta-actions{position:relative;z-index:1}
.cta-copy{max-width:560px}
.cta-copy h2{font-size:clamp(22px,2.5vw,30px);color:#fff;line-height:1.35}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76)}
.cta-copy .cta-tip{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.5)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 延伸入口 ============ */
.next-block{margin-top:56px}
.next-block h2{
  font-size:18px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;gap:10px;
}
.next-block h2::before{
  content:"";width:4px;height:20px;border-radius:3px;background:var(--grad-brand);
}
.next-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.next-links a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.next-links a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.next-links a svg{transition:transform .18s ease}
.next-links a:hover svg{transform:translateX(3px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:72px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{font-size:18px;font-weight:800;color:#fff;line-height:1.4}
.footer-desc{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-quick{display:flex;flex-direction:column;gap:9px;margin-top:16px}
.footer-quick a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,transform .18s ease}
.footer-col h3{
  position:relative;font-size:14px;font-weight:600;color:#fff;
  padding-bottom:10px;margin-bottom:16px;
}
.footer-col h3::after{
  content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--cyan);border-radius:2px;
}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);margin-bottom:8px}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .layout{grid-template-columns:1fr;gap:32px;margin-top:40px}
  .anchor-nav{
    position:static;padding:14px;
    display:flex;align-items:center;gap:8px;
    overflow-x:auto;scrollbar-width:none;
  }
  .anchor-nav::-webkit-scrollbar{display:none}
  .anchor-nav .anchor-title{display:none}
  .anchor-nav a{flex:0 0 auto;white-space:nowrap;background:var(--soft-2)}
  .anchor-nav a.is-active::before{display:none}
  .anchor-note{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:34px}
  .hero-figure{margin-top:26px;max-width:560px}
}
@media screen and (max-width:900px){
  .nav-search{display:none}
}
@media screen and (max-width:768px){
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .stat b{font-size:22px}
  .doc-section{scroll-margin-top:118px}
  .table-wrap table{min-width:560px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}
@media screen and (max-width:640px){
  .container{padding:0 20px}
  .nav-top-inner{height:56px;padding:0 20px;gap:12px}
  .brand-mark{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:.12em;margin-top:3px}
  .nav-actions .btn-text{display:none}
  .nav-tabs-inner{height:44px;padding:0 20px;-webkit-mask-image:linear-gradient(90deg,#000 0%,#000 88%,rgba(0,0,0,0) 100%);mask-image:linear-gradient(90deg,#000 0%,#000 88%,rgba(0,0,0,0) 100%)}
  .page-hero{padding:26px 0 40px}
  .page-title{font-size:clamp(25px,7vw,32px)}
  .lead{font-size:15px}
  .grid-x{margin-left:-10px;margin-right:-10px}
  .grid-x > .cell{padding-left:10px;padding-right:10px}
  .stat-strip{margin-top:-18px}
  .stat{padding:13px 14px}
  .doc-section{margin-bottom:36px;scroll-margin-top:110px}
  .doc-body p{font-size:15.5px;line-height:1.85}
  .dot-list li{font-size:15px}
  .dark-note{padding:22px 20px}
  .faq-block{margin-top:44px}
  .cta-band{padding:26px;margin-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:44px;margin-top:48px}
  .footer-bottom{margin-top:32px}
}
@media screen and (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}