/* roulang page: index */
:root{
  --brand-600:#5B2BE0;
  --brand-500:#7C4DFF;
  --brand-700:#4A21BC;
  --violet-2:#C13CFF;
  --teal-500:#0FB5A6;
  --amber-500:#FF8A3D;
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#C13CFF 50%,#12C2B4 100%);
  --bg:#F7F6FC;
  --bg-elev:#FFFFFF;
  --bg-deep:#17122B;
  --ink-900:#1A1430;
  --ink-600:#554C74;
  --ink-400:#8D86A8;
  --line:rgba(90,60,190,.12);
  --sh-1:0 2px 6px rgba(90,44,224,.06);
  --sh-2:0 18px 40px -18px rgba(90,44,224,.28);
  --sh-3:0 28px 56px -22px rgba(90,44,224,.38);
  --r-card:24px;
  --r-lg:28px;
  --r-pill:999px;
  --r-input:14px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --gutter:20px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid rgba(124,77,255,.45);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:var(--ink-900);font-weight:700;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num,.stat-num,.feature-index{font-variant-numeric:tabular-nums;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:72px 0;}
.section--tight{padding:56px 0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{
  background-image:var(--grad-brand);
  background-size:180% 180%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:var(--sh-2);
}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);background-position:26% 50%;}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:#fff;
  color:var(--brand-600);
  border-color:rgba(124,77,255,.36);
}
.btn-outline:hover{color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh-1);background:#fff;}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.10);
  color:#fff;
  border-color:rgba(255,255,255,.60);
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.20);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.btn-block{width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px -16px rgba(90,44,224,.45);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background-image:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink-900);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-600);
  border-radius:10px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-1px;
  height:2px;border-radius:2px;
  background-image:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink-900);background:rgba(124,77,255,.06);}
.nav-link.is-active{color:var(--brand-700);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 10px 0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#F9F8FE;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.command-search:focus-within{
  background:#fff;
  border-color:rgba(124,77,255,.55);
  box-shadow:0 0 0 3px rgba(124,77,255,.16);
}
.command-search svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--ink-400);}
.command-search input{
  width:104px;
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink-900);
  height:100%;
  padding:0;
}
.command-search input::placeholder{color:var(--ink-400);}
.kbd{
  font-size:11px;
  line-height:1;
  padding:4px 7px;
  border-radius:6px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-400);
  font-weight:600;
}
.nav-quick{
  font-size:14px;
  font-weight:500;
  color:var(--ink-600);
  padding:6px 4px;
}
.nav-quick:hover{color:var(--brand-600);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-900);
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:#fff;
  padding:24px 24px 32px;
  overflow-y:auto;
  transform:translateY(-100%);
  opacity:0;
  visibility:hidden;
  transition:transform .28s var(--ease),opacity .28s var(--ease),visibility .28s;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--ink-600);cursor:pointer;
}
.drawer-group{margin-bottom:26px;}
.drawer-group h4{font-size:13px;font-weight:600;color:var(--ink-400);letter-spacing:.06em;margin-bottom:10px;}
.drawer-link{
  display:block;
  font-size:18px;
  line-height:1.5;
  padding:12px 0;
  color:var(--ink-900);
  border-bottom:1px solid var(--line);
  font-weight:500;
}
.drawer-link.is-active{color:var(--brand-600);font-weight:700;}
.drawer-cta{margin-top:8px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:var(--bg-deep);
}
.hero-bg{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  object-position:center;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(23,18,43,.90) 0%,rgba(91,43,224,.78) 100%);
}
.hero-inner{position:relative;z-index:2;padding:84px 32px;max-width:1240px;margin:0 auto;width:100%;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:13px;
  letter-spacing:.02em;
  margin-bottom:22px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--teal-500);display:block;}
.hero-title{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;
  font-weight:800;
  color:#fff;
  max-width:820px;
  letter-spacing:-.02em;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.84);
  max-width:640px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.stat-badges{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:56px;
  max-width:860px;
}
.stat-badge{
  position:relative;
  background:#fff;
  border-radius:18px;
  padding:20px 18px 16px;
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.stat-badge::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background-image:var(--grad-brand);
}
.stat-num{display:block;font-size:24px;font-weight:800;line-height:1.2;color:var(--ink-900);}
.stat-desc{display:block;margin-top:6px;font-size:12px;line-height:1.6;color:var(--ink-400);}

/* ============ 区块标题 ============ */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-title{
  position:relative;
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
  font-weight:800;
  padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background-image:var(--grad-brand);
}
.section-desc{margin-top:10px;font-size:15px;color:var(--ink-600);max-width:680px;}
.section-link{font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap;}
.section-link:hover{color:var(--brand-700);}

/* ============ 品牌主张 ============ */
.claim-lead{
  font-size:17px;
  color:var(--ink-600);
  max-width:760px;
  margin-bottom:32px;
}
.claim-card{
  background:var(--bg-elev);
  border-radius:var(--r-card);
  padding:30px 28px;
  box-shadow:var(--sh-1);
  height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  border:1px solid var(--line);
}
.claim-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.claim-card--lg{
  background-image:linear-gradient(150deg,rgba(124,77,255,.10) 0%,rgba(18,194,180,.08) 100%);
  border-color:rgba(124,77,255,.20);
}
.claim-icon{
  width:44px;height:44px;border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
  margin-bottom:18px;
}
.claim-icon svg{width:22px;height:22px;stroke:var(--brand-600);}
.claim-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.claim-card--lg h3{font-size:24px;}
.claim-card p{font-size:15px;color:var(--ink-600);line-height:1.8;}
.claim-list{margin-top:16px;}
.claim-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--ink-600);
  line-height:1.9;
}
.claim-list li::before{
  content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;
  background:var(--teal-500);
}

/* ============ 最新信息 ============ */
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.card-media{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background-image:var(--grad-brand);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.4;
  background:rgba(124,77,255,.10);
  color:var(--brand-700);
  width:fit-content;
}
.badge--teal{background:rgba(15,181,166,.12);color:#0A8578;}
.card-title{
  font-size:18px;
  font-weight:700;
  line-height:1.45;
  margin-top:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-title a{color:var(--ink-900);}
.card-title a:hover{color:var(--brand-600);}
.card-excerpt{
  margin-top:10px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-600);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:auto;
  padding-top:18px;
  font-size:13px;
  color:var(--ink-400);
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-400);opacity:.6;}
.card-link{
  margin-top:14px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-link::after{content:"→";transition:transform .22s var(--ease);}
.news-card:hover .card-link::after{transform:translateX(4px);}
.empty-state{
  text-align:center;
  padding:64px 24px;
  background:var(--bg-elev);
  border:1px dashed rgba(124,77,255,.30);
  border-radius:var(--r-card);
}
.empty-state svg{width:40px;height:40px;stroke:var(--ink-400);margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--ink-600);margin-bottom:20px;}

/* ============ 故事区 ============ */
.story-row{margin-bottom:64px;}
.story-row:last-child{margin-bottom:0;}
.story-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--sh-2);
}
.story-media img{width:100%;height:100%;object-fit:cover;}
.story-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background-image:var(--grad-brand);
}
.story-body h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:18px;font-weight:800;line-height:1.3;}
.story-body p{font-size:16px;color:var(--ink-600);line-height:1.9;margin-bottom:16px;}
.story-inline{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-600);
  border-bottom:1px solid rgba(124,77,255,.35);
  padding-bottom:2px;
}
.story-inline:hover{border-bottom-color:var(--brand-600);}

/* ============ 精选内容 ============ */
.feature-card{
  display:flex;
  height:100%;
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.feature-media{
  flex:0 0 40%;
  aspect-ratio:4/5;
  overflow:hidden;
  background-image:var(--grad-brand);
}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-body{
  flex:1;
  padding:26px 26px 26px 24px;
  display:flex;
  flex-direction:column;
}
.feature-index{
  font-size:32px;
  font-weight:800;
  line-height:1;
  color:rgba(124,77,255,.20);
  letter-spacing:-.03em;
}
.feature-body h3{font-size:20px;font-weight:700;margin-top:8px;line-height:1.4;}
.feature-body h3 a{color:var(--ink-900);}
.feature-body h3 a:hover{color:var(--brand-600);}
.feature-body p{
  margin-top:12px;
  font-size:14.5px;
  color:var(--ink-600);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.feature-body .btn{margin-top:auto;align-self:flex-start;padding:11px 24px;}
.feature-card--wide .feature-media{flex:0 0 34%;aspect-ratio:16/9;}

/* ============ 信任背书 ============ */
.trust-panel{
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px 36px;
  box-shadow:var(--sh-1);
}
.trust-item{
  padding:18px 20px;
  border-radius:18px;
  background:#FAF9FE;
  border:1px solid var(--line);
  height:100%;
}
.trust-item .num{display:block;font-size:26px;font-weight:800;color:var(--brand-600);line-height:1.2;}
.trust-item span.txt{display:block;margin-top:6px;font-size:13px;color:var(--ink-600);line-height:1.6;}
.trust-note{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-400);
  line-height:1.8;
}

/* ============ FAQ ============ */
.accordion{border:0;background:transparent;}
.accordion-item{
  border:0 !important;
  background:var(--bg-elev);
  border-radius:16px;
  box-shadow:var(--sh-1);
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-title{
  display:block;
  position:relative;
  padding:20px 56px 20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  border:0 !important;
  background:transparent !important;
  line-height:1.6;
}
.accordion-title::before{
  content:"";
  position:absolute;
  right:24px;top:calc(50% - 6px);
  width:9px;height:9px;
  margin:0;padding:0;
  border:0;
  border-right:2px solid var(--brand-600);
  border-bottom:2px solid var(--brand-600);
  transform:rotate(45deg);
  transition:transform .22s var(--ease);
}
.accordion-item.is-active .accordion-title{color:var(--brand-700);}
.accordion-item.is-active .accordion-title::before{transform:rotate(-45deg);top:calc(50% - 2px);}
.accordion-content{
  padding:0 22px 22px !important;
  border:0 !important;
  background:transparent !important;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-600);
}
.accordion-content p + p{margin-top:12px;}

/* ============ CTA 带 ============ */
.cta-band{
  border-radius:var(--r-lg);
  background-image:var(--grad-brand);
  padding:48px 44px;
  display:flex;
  align-items:center;
  gap:36px;
  justify-content:space-between;
  box-shadow:var(--sh-2);
  overflow:hidden;
  position:relative;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 88% 18%,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 42%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:520px;}
.cta-text h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;}
.cta-text p{margin-top:12px;color:rgba(255,255,255,.88);font-size:15px;line-height:1.8;}
.cta-form{position:relative;z-index:2;flex:0 0 auto;width:420px;max-width:100%;}
.cta-form .input-group{margin:0;display:flex;gap:10px;}
.cta-form input[type="text"],
.cta-form input[type="email"]{
  flex:1;
  height:50px;
  border:0;
  border-radius:var(--r-pill);
  padding:0 22px;
  font-size:15px;
  color:var(--ink-900);
  background:#fff;
  box-shadow:none;
  margin:0;
  transition:box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:var(--ink-400);}
.cta-form input:focus{box-shadow:0 0 0 3px rgba(255,255,255,.45);}
.cta-form .btn{
  height:50px;
  padding:0 26px;
  background:#17122B;
  color:#fff;
  border:0;
}
.cta-form .btn:hover{background:#241B43;color:#fff;transform:translateY(-2px);}
.cta-tip{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.82);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:72px;
  background:var(--bg-deep);
  color:rgba(255,255,255,.72);
  padding-top:2px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background-image:var(--grad-brand);
}
.footer-grid{padding:56px 0 40px;}
.footer-col{margin-bottom:28px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:300px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:var(--teal-500);}
.footer-info li{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:10px;line-height:1.8;}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.52);
}
.to-top{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  border-radius:var(--r-pill);
  padding:9px 18px;
  font-size:13px;
  cursor:pointer;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .command-search{display:none;}
  .hero-inner{padding:64px 24px;}
  .stat-badges{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px;}
  .cta-band{padding:40px 32px;flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-form{width:100%;}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:40px 0;}
  .section--tight{padding:36px 0;}
  .nav-quick{display:none;}
  .hero{min-height:420px;text-align:center;}
  .hero-inner{padding:56px 18px;}
  .hero-title{font-size:clamp(26px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;margin-top:16px;}
  .hero-cta{flex-direction:column;width:100%;}
  .hero-cta .btn{width:100%;}
  .stat-badges{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-badge{padding:16px 14px 14px;}
  .stat-num{font-size:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .claim-card{padding:24px 20px;}
  .feature-card{flex-direction:column;}
  .feature-media{flex:none;width:100%;aspect-ratio:16/10;}
  .feature-card--wide .feature-media{flex:none;width:100%;aspect-ratio:16/10;}
  .feature-body{padding:22px 20px;}
  .trust-panel{padding:26px 20px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-form .input-group{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .footer-grid{padding:40px 0 24px;}
  .footer-bar{flex-direction:column;align-items:flex-start;}
  .story-row{margin-bottom:44px;}
}

/* roulang page: article */
:root{
  --brand-600:#5B2BE0;
  --brand-500:#7C4DFF;
  --teal-500:#0FB5A6;
  --amber-500:#FF8A3D;
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#C13CFF 52%,#12C2B4 100%);
  --bg:#F7F6FC;
  --bg-elev:#FFFFFF;
  --bg-deep:#17122B;
  --ink-900:#1A1430;
  --ink-600:#554C74;
  --ink-400:#8D86A8;
  --line:rgba(90,60,190,.12);
  --sh-1:0 2px 6px rgba(90,44,224,.06);
  --sh-2:0 18px 40px -18px rgba(90,44,224,.28);
  --sh-3:0 28px 56px -22px rgba(90,44,224,.38);
  --r-card:24px;
  --r-lg:28px;
  --r-btn:999px;
  --r-input:14px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25;color:var(--ink-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{max-width:100%;display:block;border-style:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
input{font-family:inherit;}
time,.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{width:100%;max-width:760px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(90,44,224,.45);}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  box-shadow:var(--sh-2);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  font-size:14.5px;
  color:var(--ink-600);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--brand-600);background:rgba(124,77,255,.07);}
.nav-link.is-active{color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-18px;height:2px;
  border-radius:2px;background:var(--grad-brand);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:38px;min-width:212px;padding:0 10px 0 13px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.command-search:focus-within{
  background:#fff;
  border-color:rgba(124,77,255,.5);
  box-shadow:0 0 0 3px rgba(124,77,255,.16);
}
.command-search svg{width:15px;height:15px;flex:none;stroke:var(--ink-400);}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink-900);
}
.command-search input::placeholder{color:var(--ink-400);}
.kbd{
  font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  color:var(--ink-400);background:#fff;border:1px solid var(--line);
  flex:none;
}
.nav-quick{
  font-size:14px;font-weight:600;color:var(--ink-600);
  padding:8px 4px;white-space:nowrap;
  border-bottom:1px solid transparent;
}
.nav-quick:hover{color:var(--brand-600);border-bottom-color:var(--brand-500);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-primary{
  color:#fff;
  background-image:var(--grad-brand);
  background-size:150% 150%;
  background-position:0 0;
  box-shadow:var(--sh-2);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);background-position:55% 0;}
.btn-ghost{
  background:#fff;border-color:var(--line);color:var(--ink-900);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{color:var(--brand-600);border-color:rgba(124,77,255,.38);transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn:focus-visible{outline:2px solid rgba(124,77,255,.45);outline-offset:2px;}
.btn:active{transform:translateY(0);}
.btn[disabled]{opacity:.5;pointer-events:none;}

.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
}
.menu-toggle span{display:block;width:17px;height:2px;margin:0 auto;border-radius:2px;background:var(--ink-900);}
.menu-toggle:focus-visible{outline:2px solid rgba(124,77,255,.45);outline-offset:2px;}

/* ---------- drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:#fff;
  transform:translateY(-100%);
  opacity:0;visibility:hidden;
  transition:transform .28s var(--ease),opacity .28s var(--ease),visibility .28s;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-inner{padding:22px 22px 40px;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  font-size:20px;line-height:1;color:var(--ink-600);
}
.drawer-group{font-size:13px;font-weight:600;color:var(--ink-400);margin:24px 0 10px;letter-spacing:.04em;}
.drawer-link{
  display:block;font-size:18px;line-height:1.7;padding:12px 2px;
  color:var(--ink-900);border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--brand-600);}
.drawer-cta{width:100%;margin-top:26px;}
body.drawer-open{overflow:hidden;}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--ink-400);display:flex;flex-wrap:wrap;align-items:center;}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{margin:0 8px;color:rgba(90,60,190,.28);}
.breadcrumb .current{color:var(--ink-900);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- page head ---------- */
.page-head{padding:14px 0 26px;}
.article-title{
  font-size:clamp(27px,3.4vw,42px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:13px;color:var(--ink-600);
  background:#fff;border:1px solid var(--line);
}
.chip-badge{
  color:var(--brand-600);font-weight:600;
  background:rgba(124,77,255,.09);
  border-color:rgba(124,77,255,.22);
}

/* ---------- layout ---------- */
.main-grid{padding-bottom:24px;}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:#241C3F;
  word-wrap:break-word;
  overflow-wrap:break-word;
}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.4vw,27px);
  line-height:1.35;
  margin:40px 0 14px;
  padding-left:15px;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.article-body h3{font-size:20px;margin:28px 0 10px;line-height:1.4;scroll-margin-top:96px;}
.article-body h4{font-size:17px;margin:20px 0 8px;}
.article-body p{margin:0 0 17px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;list-style:revert;}
.article-body li{margin-bottom:9px;}
.article-body ul li::marker{color:var(--brand-500);}
.article-body ol li::marker{color:var(--brand-600);font-weight:600;}
.article-body blockquote{
  margin:0 0 20px;padding:16px 22px;
  background:rgba(124,77,255,.06);
  border-left:4px solid var(--brand-500);
  border-radius:0 14px 14px 0;
  color:var(--ink-600);
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:22px auto 10px;}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-400);margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  margin:0 0 22px;font-size:15px;line-height:1.7;
}
.article-body th,.article-body td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:rgba(124,77,255,.07);font-weight:600;color:var(--ink-900);}
.article-body tbody tr:nth-child(even){background:rgba(90,60,190,.035);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body pre{
  margin:0 0 22px;padding:17px 19px;border-radius:14px;
  background:var(--bg-deep);color:#EDE9FF;
  font-size:14px;line-height:1.75;overflow-x:auto;
}
.article-body pre code{background:none;color:inherit;padding:0;border-radius:0;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.93em;
}
.article-body p code,.article-body li code{
  padding:2px 6px;border-radius:6px;
  background:rgba(124,77,255,.1);color:var(--brand-600);
}
.article-body a{
  color:var(--brand-600);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--brand-500);}

/* ---------- empty ---------- */
.empty-state{
  max-width:760px;padding:48px 28px;margin:10px 0 30px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);text-align:center;
}
.empty-state svg{width:44px;height:44px;stroke:var(--brand-500);margin:0 auto 14px;}
.empty-state p{font-size:16px;color:var(--ink-600);margin-bottom:20px;}

/* ---------- tags / post nav ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;max-width:760px;}
.tag{
  padding:7px 15px;border-radius:999px;font-size:13px;
  background:#fff;border:1px solid var(--line);color:var(--ink-600);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:var(--brand-600);border-color:rgba(124,77,255,.4);transform:translateY(-2px);}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0 0;max-width:760px;}
.post-nav-card{
  display:block;padding:18px 20px;border-radius:20px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(124,77,255,.28);}
.post-nav-card .label{display:block;font-size:12.5px;color:var(--ink-400);margin-bottom:6px;}
.post-nav-card .ttl{display:block;font-size:15.5px;font-weight:600;color:var(--ink-900);}
.post-nav-card.text-right{text-align:right;}

/* ---------- sidebar ---------- */
.sidebar{padding-top:6px;}
.sidebar-inner{max-width:280px;margin-left:auto;position:sticky;top:92px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:20px;margin-bottom:18px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;margin:0 0 12px;padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-600);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--brand-600);background:rgba(124,77,255,.07);border-left-color:var(--brand-500);}
.hot-list li+li{margin-top:12px;}
.hot-list a{display:flex;gap:9px;font-size:14px;line-height:1.6;color:var(--ink-600);}
.hot-list a:hover{color:var(--brand-600);}
.hot-list .idx{
  flex:none;width:20px;height:20px;border-radius:6px;margin-top:3px;
  display:grid;place-items:center;font-size:11.5px;font-weight:700;
  color:var(--brand-600);background:rgba(124,77,255,.1);
}
.side-note{font-size:13px;color:var(--ink-400);line-height:1.75;}

/* ---------- section ---------- */
.section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap;}
.section-head .more:hover{color:var(--brand-500);}

.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(124,77,255,.24);}
.rel-thumb{aspect-ratio:16/10;background-image:var(--grad-brand);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:16.5px;line-height:1.45;}
.rel-body p{font-size:14px;color:var(--ink-600);line-height:1.75;}
.rel-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:12.5px;color:var(--ink-400);}
.rel-meta .go{color:var(--brand-600);font-weight:600;}

.back-row{padding:48px 0 72px;text-align:center;}

/* ---------- float top ---------- */
.float-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:7px;
  padding:11px 18px;border-radius:999px;
  font-size:13.5px;font-weight:600;color:#fff;
  background:var(--bg-deep);
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,box-shadow .24s var(--ease);
}
.float-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-top:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.float-top:focus-visible{outline:2px solid rgba(124,77,255,.6);outline-offset:2px;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:72px;
  background:var(--bg-deep);
  color:#CFC8E6;
  padding:56px 0 26px;
  font-size:14px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand);
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{color:#A79FC6;font-size:13.5px;line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-links li+li,.footer-info li+li{margin-top:10px;}
.footer-links a{font-size:14px;color:#A79FC6;}
.footer-links a:hover{color:var(--teal-500);}
.footer-info li{font-size:13.5px;color:#A79FC6;line-height:1.75;}
.footer-bar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8C84AC;
}
.to-top{
  padding:8px 16px;border-radius:999px;
  font-size:13px;color:#fff;
  border:1px solid rgba(255,255,255,.22);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{border-color:var(--teal-500);color:var(--teal-500);transform:translateY(-2px);}
.to-top:focus-visible{outline:2px solid rgba(124,77,255,.6);outline-offset:2px;}

@media (max-width:1023px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:flex;}
  .sidebar{display:none;}
  .article-body{max-width:100%;}
  .post-nav{max-width:100%;}
  .tag-row{max-width:100%;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0 0;}
  .footer-brand p{max-width:100%;}
  .rel-body h3{font-size:16px;}
}
@media (max-width:639px){
  .nav-quick,.nav-cta{display:none;}
  .article-title{font-size:26px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.text-right{text-align:left;}
  .section{padding:40px 0 0;}
  .breadcrumb .current{max-width:200px;}
  .float-top{right:14px;bottom:16px;}
  .back-row{padding:36px 0 56px;}
}

/* roulang page: category1 */
:root{
  --brand-600:#5B2BE0;
  --brand-500:#7C4DFF;
  --teal-500:#0FB5A6;
  --amber-500:#FF8A3D;
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#C13CFF 52%,#12C2B4 100%);
  --bg:#F7F6FC;
  --bg-elev:#FFFFFF;
  --bg-deep:#17122B;
  --ink-900:#1A1430;
  --ink-600:#554C74;
  --ink-400:#8D86A8;
  --line:rgba(90,60,190,.12);
  --sh-1:0 2px 6px rgba(90,44,224,.06);
  --sh-2:0 18px 40px -18px rgba(90,44,224,.28);
  --sh-3:0 28px 56px -22px rgba(90,44,224,.38);
  --r-card:24px;
  --r-big:28px;
  --r-input:14px;
  --r-img:16px;
  --container:1200px;
  --read:760px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg);
  background-image:linear-gradient(rgba(90,60,190,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(90,60,190,.035) 1px,transparent 1px);
  background-size:56px 56px;
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-500)}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink-900)}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
time,.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid rgba(124,77,255,.45);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

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

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 26px -16px rgba(90,44,224,.45)}
.nav-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:11px;background-image:var(--grad-brand);display:grid;place-items:center;box-shadow:var(--sh-1)}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--ink-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{position:relative;display:inline-block;padding:9px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-600);transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav-link:hover{color:var(--brand-600);background:rgba(124,77,255,.07)}
.nav-link.is-active{color:var(--ink-900);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background-image:var(--grad-brand)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{display:flex;align-items:center;gap:8px;background:#F2F0FA;border:1px solid transparent;border-radius:999px;padding:7px 10px 7px 13px;min-width:215px;transition:border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease)}
.command-search:focus-within{border-color:rgba(124,77,255,.4);background:#fff;box-shadow:0 0 0 3px rgba(124,77,255,.12)}
.command-search svg{width:15px;height:15px;flex:0 0 auto;stroke:var(--ink-400)}
.command-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;line-height:1.4}
.command-search input::placeholder{color:var(--ink-400)}
.command-search .kbd{font-size:11px;line-height:1;color:var(--ink-400);border:1px solid var(--line);border-radius:6px;padding:4px 6px;background:#fff;white-space:nowrap}
.nav-quick{font-size:14px;font-weight:600;color:var(--ink-600);padding:8px 6px}
.nav-quick:hover{color:var(--brand-600)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.mobile-drawer{position:fixed;inset:0;z-index:120;background:#fff;padding:26px 24px 32px;transform:translateY(-102%);opacity:0;visibility:hidden;transition:transform .3s var(--ease),opacity .25s var(--ease),visibility .25s;overflow-y:auto}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--ink-600)}
.drawer-group{margin-bottom:26px}
.drawer-group h4{font-size:13px;letter-spacing:.08em;color:var(--ink-400);font-weight:700;margin-bottom:10px}
.drawer-group a{display:block;font-size:18px;line-height:1.9;color:var(--ink-900);font-weight:600;padding:6px 0;border-bottom:1px solid var(--line)}
.drawer-group a.is-active{color:var(--brand-600)}
.drawer-cta{display:block;text-align:center;margin-top:8px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;line-height:1.3;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn-primary{background-image:var(--grad-brand);background-size:180% 180%;background-position:0% 0%;color:#fff;box-shadow:0 12px 26px -14px rgba(124,77,255,.85)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);background-position:28% 28%}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:rgba(124,77,255,.3);color:var(--brand-600)}
.btn-ghost:hover{color:var(--brand-600);transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{padding:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400)}
.breadcrumb a{color:var(--ink-400);font-weight:500}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:rgba(90,60,190,.3)}
.breadcrumb .is-current{color:var(--ink-900);font-weight:600}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center;padding:72px 0 64px;color:#fff}
.page-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.page-hero-mask{position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,rgba(23,18,43,.94) 0%,rgba(91,43,224,.78) 100%)}
.page-hero-inner{position:relative;z-index:2;width:100%}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.page-hero h1{color:#fff;margin-bottom:16px;max-width:16em}
.hero-sub{font-size:clamp(15px,1.6vw,18px);line-height:1.8;color:rgba(255,255,255,.86);max-width:44em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.stat-badges{display:flex;flex-wrap:wrap;gap:16px}
.stat-badge{position:relative;background:#fff;border-radius:18px;padding:18px 24px 15px;min-width:158px;box-shadow:var(--sh-2);overflow:hidden}
.stat-badge::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--grad-brand)}
.stat-num{font-size:24px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;line-height:1.3}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px;color:var(--ink-600)}
.stat-label{font-size:12px;color:var(--ink-400);line-height:1.6}

/* ---------- 分类主体布局 ---------- */
.cat-section{padding:56px 0 72px}
.cat-layout{align-items:flex-start}
.cat-side{position:sticky;top:92px}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 16px 18px;box-shadow:var(--sh-1)}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-400);padding:0 8px;margin-bottom:12px}
.toc-item{position:relative;display:flex;align-items:flex-start;gap:10px;padding:10px 10px 10px 14px;border-radius:12px;font-size:14px;font-weight:500;color:var(--ink-600);transition:background-color .2s var(--ease),color .2s var(--ease)}
.toc-item::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background-image:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease)}
.toc-item:hover{background:rgba(124,77,255,.06);color:var(--brand-600)}
.toc-item.is-current{background:rgba(124,77,255,.09);color:var(--brand-600);font-weight:700}
.toc-item.is-current::before{opacity:1}
.toc-num{font-weight:700;font-size:13px;color:var(--ink-400);line-height:1.9}
.toc-item.is-current .toc-num{color:var(--brand-600)}
.toc-note{margin-top:14px;padding:12px 14px;border-radius:14px;background:rgba(15,181,166,.08);font-size:12.5px;line-height:1.8;color:var(--ink-600)}

.cat-head{margin-bottom:26px}
.section-title{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.section-title::before{content:"";width:4px;height:26px;border-radius:2px;background-image:var(--grad-brand);flex:0 0 auto}
.section-title h2{margin:0}
.cat-head p{color:var(--ink-600);font-size:15px;max-width:52em;margin-bottom:0}

.card-grid{margin-top:4px}
.card-grid .cell{margin-bottom:24px}
.entry-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background-image:var(--grad-brand)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.entry-card:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background-image:var(--grad-brand)}
.card-badge{position:absolute;top:12px;left:12px;z-index:2;background:#fff;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;color:var(--brand-600);box-shadow:var(--sh-1);font-variant-numeric:tabular-nums}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.card-title{font-size:19px;line-height:1.4;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-excerpt{font-size:14px;line-height:1.8;color:var(--ink-600);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}
.card-time{font-size:13px;color:var(--ink-400)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--brand-600);background:rgba(124,77,255,.1);border-radius:999px;padding:4px 12px}
.chip-teal{color:#0a8b80;background:rgba(15,181,166,.13)}
.chip-amber{color:#b85c17;background:rgba(255,138,61,.15)}

/* ---------- 流程 / 日志卡 ---------- */
.flow-section{padding:64px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{margin-top:26px}
.flow-grid .cell{margin-bottom:22px}
.flow-card{position:relative;height:100%;background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:24px 22px 22px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.flow-num{font-size:34px;font-weight:800;line-height:1;letter-spacing:-.04em;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:12px;font-variant-numeric:tabular-nums}
.flow-card h3{font-size:18px;margin-bottom:8px}
.flow-card p{font-size:14px;line-height:1.8;color:var(--ink-600);margin:0}
.flow-dot{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-400);margin-top:12px}
.flow-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal-500)}

/* ---------- 图文交替 ---------- */
.story-section{padding:72px 0}
.story-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.story-row + .story-row{margin-top:56px}
.story-media{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-2);background-image:var(--grad-brand)}
.story-media img{width:100%;height:100%;object-fit:cover}
.story-media::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background-image:var(--grad-brand)}
.story-copy h2{margin-bottom:14px}
.story-copy p{font-size:15.5px;line-height:1.9;color:var(--ink-600)}
.story-copy .inline-link{font-weight:700;border-bottom:1px solid rgba(124,77,255,.35);padding-bottom:1px}
.story-row.reverse .story-media{order:2}
.story-row.reverse .story-copy{order:1}
.mini-list{margin:16px 0 0}
.mini-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-600);line-height:1.9}
.mini-list li::before{content:"";position:absolute;left:2px;top:.85em;width:7px;height:7px;border-radius:50%;background-image:var(--grad-brand)}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 72px}
.faq-head{text-align:center;max-width:640px;margin:0 auto 30px}
.faq-head .section-title{justify-content:center}
.faq-head .section-title::before{height:24px}
.faq-head p{color:var(--ink-600);font-size:15px;margin-bottom:0}
.faq-wrap{max-width:860px;margin:0 auto}
ul.accordion{border:0;background:transparent;margin:0}
ul.accordion .accordion-item{border:1px solid var(--line);border-radius:16px;background:#fff;margin-bottom:14px;box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .22s var(--ease)}
ul.accordion .accordion-item.is-active{box-shadow:var(--sh-2)}
ul.accordion .accordion-title{border:0;background:#fff;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.6}
ul.accordion .accordion-title::before{display:none}
ul.accordion .accordion-title:hover{background:rgba(124,77,255,.04);color:var(--brand-600)}
ul.accordion .accordion-title:focus{outline:2px solid rgba(124,77,255,.45);outline-offset:-2px}
.acc-arrow{flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:rgba(124,77,255,.1);transition:transform .24s var(--ease),background-color .24s var(--ease)}
.acc-arrow svg{width:12px;height:12px;stroke:var(--brand-600);stroke-width:2.4;fill:none}
.accordion-item.is-active .acc-arrow{transform:rotate(90deg);background-image:var(--grad-brand)}
.accordion-item.is-active .acc-arrow svg{stroke:#fff}
ul.accordion .accordion-content{border:0;background:#fff;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-600)}
ul.accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- CTA 带 ---------- */
.cta-section{padding:0 0 76px}
.cta-card{position:relative;border-radius:var(--r-big);background-image:var(--grad-brand);color:#fff;padding:42px 44px;display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;box-shadow:var(--sh-3);overflow:hidden}
.cta-card::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#fff;margin-bottom:10px}
.cta-copy p{color:rgba(255,255,255,.9);font-size:15px;margin-bottom:0}
.cta-form{position:relative;z-index:2;margin:0;display:flex;gap:0;width:100%}
.cta-form .input-group-field{border:0;border-radius:999px 0 0 999px;padding:14px 20px;font-size:15px;background:#fff;color:var(--ink-900);height:auto;box-shadow:none;margin:0}
.cta-form .input-group-field::placeholder{color:var(--ink-400)}
.cta-form .input-group-button .btn{border-radius:0 999px 999px 0;height:100%;padding:14px 26px;background-image:linear-gradient(135deg,#1A1430,#3A2A6B);box-shadow:none;color:#fff;border:0}
.cta-form .input-group-button .btn:hover{background-position:0 0;transform:none;opacity:.92}
.input-group{margin-bottom:0}
.cta-hint{position:relative;z-index:2;grid-column:1 / -1;font-size:12.5px;color:rgba(255,255,255,.78);margin:2px 0 0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.72);padding:56px 0 24px;border-top:2px solid transparent;border-image:var(--grad-brand) 1;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--grad-brand)}
.footer-grid{margin-bottom:12px}
.footer-col{margin-bottom:28px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:34em;margin:0}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links li,.footer-info li{margin-bottom:9px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--teal-500)}
.footer-info li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.footer-bar{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}
.to-top{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;border-radius:999px;padding:8px 18px;font-size:13px;transition:background-color .2s var(--ease),transform .2s var(--ease)}
.to-top:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.command-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:64px;gap:12px}
  .cat-side{position:static;margin-bottom:28px}
  .story-row{grid-template-columns:1fr;gap:24px}
  .story-row.reverse .story-media{order:1}
  .story-row.reverse .story-copy{order:2}
  .cta-card{grid-template-columns:1fr;padding:34px 30px}
  .flow-section,.story-section,.faq-section{padding:56px 0}
  .cat-section{padding:44px 0 56px}
  .page-hero{min-height:460px;padding:56px 0 52px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  body{font-size:15.5px}
  .nav-quick{display:none}
  .page-hero{min-height:420px;text-align:center;padding:44px 0 44px}
  .page-hero h1{max-width:none}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-badges{justify-content:center}
  .stat-badge{flex:1 1 100%;min-width:0;text-align:left}
  .cta-form{flex-direction:column;gap:12px}
  .cta-form .input-group-field{border-radius:999px}
  .cta-form .input-group-button .btn{border-radius:999px;width:100%}
  .footer-bar{flex-direction:column;align-items:flex-start}
  .section-title h2{font-size:22px}
}

/* roulang page: category2 */
:root{
  --brand-600:#5B2BE0;
  --brand-500:#7C4DFF;
  --teal-500:#0FB5A6;
  --amber-500:#FF8A3D;
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#C13CFF 50%,#12C2B4 100%);
  --bg:#F7F6FC;
  --bg-elev:#FFFFFF;
  --bg-deep:#17122B;
  --ink-900:#1A1430;
  --ink-600:#554C74;
  --ink-400:#8D86A8;
  --line:rgba(90,60,190,.12);
  --sh-1:0 2px 6px rgba(90,44,224,.06);
  --sh-2:0 18px 40px -18px rgba(90,44,224,.28);
  --sh-3:0 28px 56px -22px rgba(90,44,224,.38);
  --r-card:24px;
  --r-lg:28px;
  --r-md:16px;
  --r-sm:14px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink-900);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:var(--ink-900);font-weight:800;line-height:1.25;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid rgba(124,77,255,.45);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  background-image:var(--grad-brand);background-size:140% 140%;background-position:0% 50%;
  color:#fff;box-shadow:var(--sh-2);text-align:center;white-space:nowrap;
}
.btn:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);background-position:16% 50%;}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn:focus-visible{outline:2px solid rgba(124,77,255,.45);outline-offset:3px;}
.btn-ghost{background-image:none;background-color:transparent;border-color:rgba(255,255,255,.65);color:#fff;box-shadow:none;}
.btn-ghost:hover{background-color:rgba(255,255,255,.14);border-color:#fff;color:#fff;box-shadow:none;}
.btn-line{background-image:none;background-color:transparent;border-color:rgba(91,43,224,.32);color:var(--brand-600);box-shadow:none;}
.btn-line:hover{background-color:rgba(124,77,255,.08);border-color:var(--brand-500);color:var(--brand-600);box-shadow:none;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px -14px rgba(90,44,224,.34);}
.nav-inner{display:flex;align-items:center;gap:26px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background-image:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 16px -8px rgba(91,43,224,.7);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:6px;}
.nav-link{position:relative;padding:6px 0;font-size:14.5px;color:var(--ink-600);font-weight:500;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background-image:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink-900);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{position:relative;flex:0 0 auto;}
.command-search .s-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:var(--ink-400);fill:none;stroke-width:2;pointer-events:none;}
.command-search input{
  width:196px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:#FBFAFF;padding:0 50px 0 34px;font-size:13.5px;color:var(--ink-900);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.command-search input::placeholder{color:var(--ink-400);}
.command-search input:focus{outline:none;background:#fff;border-color:rgba(124,77,255,.42);box-shadow:0 0 0 4px rgba(124,77,255,.14);}
.command-search .kbd{
  position:absolute;right:11px;top:50%;transform:translateY(-50%);
  font-size:11px;line-height:1;padding:4px 6px;border-radius:7px;
  border:1px solid var(--line);background:#fff;color:var(--ink-400);
}
.nav-quick{font-size:14px;color:var(--ink-600);font-weight:500;white-space:nowrap;}
.nav-quick:hover{color:var(--brand-600);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-900);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px 24px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink-600);cursor:pointer;}
.drawer h4{font-size:12px;font-weight:600;color:var(--ink-400);letter-spacing:.06em;margin:18px 0 8px;}
.drawer a.drawer-link{
  display:block;font-size:18px;line-height:1.4;color:var(--ink-900);font-weight:600;
  padding:12px 0;border-bottom:1px solid var(--line);
}
.drawer a.drawer-link:hover{color:var(--brand-600);}
.drawer .btn{margin-top:24px;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-400);padding:20px 0 0;}
.crumb a{color:var(--ink-400);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{margin:0 8px;color:rgba(90,60,190,.28);}
.crumb .now{color:var(--ink-900);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;margin-top:20px;border-radius:0 0 32px 32px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(23,18,43,.9) 0%,rgba(91,43,224,.74) 100%);
}
.hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:13px;font-weight:500;margin-bottom:22px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--teal-500);display:inline-block;}
.hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;
  max-width:820px;margin-bottom:18px;
}
.hero-sub{color:rgba(255,255,255,.84);font-size:17px;max-width:640px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:840px;}
.stat{
  position:relative;background:#fff;border-radius:18px;padding:18px 18px 15px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--grad-brand);}
.stat-num{font-size:24px;font-weight:800;color:var(--ink-900);line-height:1.2;}
.stat-label{font-size:12px;color:var(--ink-400);line-height:1.5;margin-top:4px;}

/* ---------- 渐变条带 ---------- */
.band{background-image:var(--grad-brand);color:#fff;margin-top:0;}
.band-inner{padding:48px 0;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:10px;}
.band p{color:rgba(255,255,255,.88);font-size:15px;margin:0;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.chip{
  display:inline-flex;align-items:center;padding:9px 17px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.38);
  color:#fff;font-size:13.5px;font-weight:500;white-space:nowrap;
}
.chip.is-on{background:#fff;color:var(--brand-600);font-weight:700;border-color:#fff;}

/* ---------- 区块通用 ---------- */
.section{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-600);margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:4px;height:16px;border-radius:2px;background-image:var(--grad-brand);}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;}
.section-head p{color:var(--ink-600);font-size:15.5px;margin:0;}

/* ---------- 交替图文行 ---------- */
.rows{display:flex;flex-direction:column;gap:28px;}
.row-card{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(124,77,255,.28);}
.row-card.is-rev .row-media{order:2;}
.row-media{
  border-radius:20px;overflow:hidden;aspect-ratio:4/3;background:
  linear-gradient(135deg,rgba(124,77,255,.18),rgba(18,194,180,.16));
  position:relative;
}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.row-card:hover .row-media img{transform:scale(1.03);}
.row-media::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background-image:var(--grad-brand);}
.row-index{
  font-size:42px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  color:transparent;display:inline-block;margin-bottom:10px;
}
.row-body h3{font-size:22px;margin-bottom:12px;}
.row-body > p{color:var(--ink-600);font-size:15.5px;margin-bottom:18px;}
.point-list{margin:0 0 22px;}
.point-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--ink-600);margin-bottom:10px;line-height:1.75;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  background:rgba(124,77,255,.14);border:2px solid var(--brand-500);
}
.point-list li strong{color:var(--ink-900);font-weight:600;}

/* ---------- 指标徽章组 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.metric::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--grad-brand);}
.metric-num{font-size:28px;font-weight:800;color:var(--ink-900);line-height:1.15;margin-bottom:6px;}
.metric-title{font-size:15px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.metric-desc{font-size:13.5px;color:var(--ink-400);line-height:1.7;margin:0;}

/* ---------- 风险信号清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.check-item{
  display:flex;gap:16px;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.check-idx{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:rgba(124,77,255,.1);
  color:var(--brand-600);font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;
}
.check-item h3{font-size:16.5px;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--ink-600);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.accordion{border:none;background:transparent;margin:0;}
.accordion li.accordion-item{
  list-style:none;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.accordion li.accordion-item:hover{box-shadow:var(--sh-1);border-color:rgba(124,77,255,.24);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
  background:transparent;border:none;line-height:1.6;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:rgba(124,77,255,.04);color:var(--brand-600);}
.accordion .accordion-title::before{display:none !important;content:"" !important;margin:0;}
.accordion .accordion-title::after{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-left:6px;
  border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  transform:rotate(45deg);transition:transform .22s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(-135deg);}
.accordion .accordion-content{
  padding:16px 22px 20px;border-top:1px dashed var(--line);
  font-size:15px;line-height:1.8;color:var(--ink-600);background:transparent;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA 带 ---------- */
.cta-outer{padding:0 0 72px;}
.cta-band{
  background-image:var(--grad-brand);border-radius:var(--r-lg);padding:44px 46px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;color:#fff;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin:0;}
.cta-form{display:flex;gap:10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);border-radius:999px;padding:6px;align-items:center;}
.cta-form input{
  flex:1 1 auto;min-width:0;height:46px;border:none;background:transparent;
  color:#fff;font-size:14.5px;padding:0 18px;border-radius:999px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.75);}
.cta-form input:focus{outline:none;background:rgba(255,255,255,.14);}
.cta-form .btn{background-image:none;background-color:#fff;color:var(--brand-600);box-shadow:none;flex:0 0 auto;}
.cta-form .btn:hover{background-color:#F3EFFF;color:var(--brand-600);transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(23,18,43,.6);}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.78);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.76);position:relative;margin-top:8px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--grad-brand);}
.footer-grid{padding:60px 0 40px;}
.footer-col{margin-bottom:28px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;margin:0;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-links li,.footer-info li{margin-bottom:10px;line-height:1.7;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:var(--teal-500);}
.footer-info li{font-size:14px;color:rgba(255,255,255,.6);}
.footer-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.52);
}
.to-top{
  border:1px solid rgba(255,255,255,.24);background:transparent;color:rgba(255,255,255,.82);
  padding:9px 18px;border-radius:999px;font-size:13px;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);transform:translateY(-2px);}
.to-top:active{transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 22px;}
  .command-search input{width:168px;}
}
@media screen and (max-width:1023px){
  .nav-links,.nav-tools{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{min-height:460px;border-radius:0 0 26px 26px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .band-inner{grid-template-columns:1fr;gap:20px;padding:40px 0;}
  .chip-row{justify-content:flex-start;}
  .section{padding:56px 0;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .row-card{grid-template-columns:1fr;gap:22px;padding:22px;}
  .row-card.is-rev .row-media{order:0;}
  .cta-band{grid-template-columns:1fr;padding:34px 30px;gap:24px;}
  .footer-grid{padding:48px 0 28px;}
}
@media screen and (max-width:639px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .hero{min-height:420px;margin-top:12px;border-radius:0 0 22px 22px;text-align:center;}
  .hero .container{padding-top:48px;padding-bottom:48px;display:flex;flex-direction:column;align-items:center;}
  .hero-sub{margin-left:auto;margin-right:auto;}
  .hero-actions{width:100%;flex-direction:column;margin-bottom:34px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:10px;}
  .stat{padding:14px 14px 12px;border-radius:16px;}
  .stat-num{font-size:20px;}
  .section{padding:40px 0;}
  .section-head{margin-bottom:26px;}
  .metrics{grid-template-columns:1fr;}
  .checklist{grid-template-columns:1fr;}
  .row-card{padding:18px;border-radius:22px;}
  .row-media{aspect-ratio:16/10;}
  .row-index{font-size:34px;}
  .row-body h3{font-size:19px;}
  .cta-band{padding:28px 20px;border-radius:22px;}
  .cta-form{flex-direction:column;border-radius:20px;padding:10px;gap:8px;}
  .cta-form input{width:100%;height:42px;text-align:center;}
  .cta-form .btn{width:100%;}
  .accordion .accordion-title{padding:16px 18px;font-size:15.5px;}
  .accordion .accordion-content{padding:14px 18px 18px;}
  .footer-bar{justify-content:center;text-align:center;}
}

/* roulang page: category3 */
:root{
  --brand-600:#5B2BE0;
  --brand-500:#7C4DFF;
  --teal-500:#0FB5A6;
  --amber-500:#FF8A3D;
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#C13CFF 52%,#12C2B4 100%);
  --bg:#F7F6FC;
  --bg-elev:#FFFFFF;
  --bg-deep:#17122B;
  --ink-900:#1A1430;
  --ink-600:#554C74;
  --ink-400:#8D86A8;
  --line:rgba(90,60,190,.12);
  --sh-1:0 2px 6px rgba(90,44,224,.06);
  --sh-2:0 18px 40px -18px rgba(90,44,224,.28);
  --sh-3:0 28px 56px -22px rgba(90,44,224,.38);
  --r-card:24px;
  --r-lg:28px;
  --r-input:14px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-h:68px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink-900);font-weight:800;letter-spacing:-.02em;line-height:1.25;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:21px;font-weight:700;}
h4{font-size:16px;font-weight:700;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(90,44,224,.45);}
.header-inner{
  height:var(--nav-h);
  display:flex;align-items:center;gap:22px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px -10px rgba(124,77,255,.9);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-size:18px;font-weight:800;letter-spacing:-.02em;
  color:var(--ink-900);white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.nav-link{
  position:relative;
  padding:8px 12px 10px;
  font-size:15px;font-weight:500;color:var(--ink-600);
  border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink-900);background:rgba(124,77,255,.06);}
.nav-link.is-active{color:var(--ink-900);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 12px;
  min-width:196px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.command-search:focus-within{
  background:#fff;
  border-color:rgba(124,77,255,.45);
  box-shadow:0 0 0 2px rgba(124,77,255,.18);
}
.command-search i{color:var(--ink-400);font-size:13px;}
.command-search input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:14px;color:var(--ink-900);
}
.command-search input::placeholder{color:var(--ink-400);}
.kbd{
  flex:0 0 auto;font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  background:#fff;border:1px solid var(--line);color:var(--ink-400);
}
.quick-link{font-size:14px;font-weight:600;color:var(--ink-600);white-space:nowrap;}
.quick-link:hover{color:var(--brand-600);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink-900);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(124,77,255,.4);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-position .24s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:focus-visible{outline:2px solid rgba(124,77,255,.45);outline-offset:2px;}
.btn:active{transform:translateY(0);}
.btn-primary{
  color:#fff;background:var(--grad-brand);background-size:150% 150%;background-position:0 50%;
  box-shadow:var(--sh-2);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);background-position:22% 50%;}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line);box-shadow:var(--sh-1);}
.btn-ghost:hover{border-color:rgba(124,77,255,.45);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn[disabled]{opacity:.5;pointer-events:none;}

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  position:fixed;inset:var(--nav-h) 0 0 0;
  background:#fff;z-index:55;
  padding:28px 24px 40px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer h4{
  font-size:12px;letter-spacing:.12em;color:var(--ink-400);text-transform:uppercase;
  margin:22px 0 8px;font-weight:700;
}
.mobile-drawer a.m-drawer-link{
  display:block;font-size:18px;font-weight:600;color:var(--ink-900);
  padding:14px 0;border-bottom:1px solid var(--line);
}
.mobile-drawer a.m-drawer-link.is-active{color:var(--brand-600);}
.mobile-drawer .btn{width:100%;margin-top:26px;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--ink-400);}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--ink-400);}
.crumbs a{color:var(--ink-400);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .current{color:var(--ink-900);font-weight:600;}

/* ---------- Hero ---------- */
.hero{padding:22px 0 0;}
.hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background-image:linear-gradient(135deg,rgba(23,18,43,.86),rgba(91,43,224,.78)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:64px 56px 56px;
  color:#fff;
  min-height:520px;
  display:flex;flex-direction:column;justify-content:center;
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;pointer-events:none;
}
.hero-card>*{position:relative;z-index:1;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;color:#fff;margin-bottom:20px;
}
.hero h1{color:#fff;max-width:760px;}
.hero-sub{
  max-width:620px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);
  margin:16px 0 28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-badges{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
}
.badge-card{
  background:#fff;border-radius:18px;padding:16px 18px 14px;
  position:relative;overflow:hidden;box-shadow:var(--sh-1);
}
.badge-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);
}
.badge-num{font-size:24px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.badge-num small{font-size:13px;font-weight:700;color:var(--ink-600);margin-left:2px;}
.badge-label{font-size:12px;color:var(--ink-400);margin-top:4px;line-height:1.5;}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.04em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);}
.section-head p{color:var(--ink-600);font-size:16px;margin:0;}
.section-title-bar{
  display:flex;align-items:center;gap:12px;
}
.section-title-bar span.bar{width:4px;height:26px;border-radius:4px;background:var(--grad-brand);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:44px;}
.timeline::before{
  content:"";position:absolute;left:13px;top:14px;bottom:14px;width:2px;
  border-radius:2px;background:var(--grad-brand);opacity:.85;
}
.tl-item{position:relative;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-37px;top:34px;width:12px;height:12px;border-radius:50%;
  background:var(--grad-brand);
  box-shadow:0 0 0 4px var(--bg),0 0 0 6px rgba(124,77,255,.16);
}
.tl-card{
  background:var(--bg-elev);border-radius:var(--r-card);
  padding:28px 28px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(124,77,255,.09);color:var(--brand-600);
}
.chip-teal{background:rgba(15,181,166,.12);color:#0A8578;}
.chip-gray{background:#F1EFF9;color:var(--ink-600);}
.tl-card h3{margin-bottom:10px;}
.tl-card p{color:var(--ink-600);font-size:15px;margin-bottom:16px;}
.tl-note{
  background:#fff;border-radius:20px;padding:24px 26px;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.tl-note h4{color:var(--ink-900);margin-bottom:10px;font-size:15px;}
.tl-note p{font-size:14px;color:var(--ink-600);margin-bottom:12px;}
.tl-note ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--ink-600);margin-bottom:8px;line-height:1.7;
}
.tl-note ul li::before{
  content:"";position:absolute;left:2px;top:10px;width:6px;height:6px;border-radius:2px;
  background:var(--teal-500);
}
.link-inline{
  font-weight:600;font-size:14px;
  border-bottom:1px solid rgba(124,77,255,.35);
  padding-bottom:2px;
}
.link-inline:hover{border-bottom-color:var(--brand-600);}

/* ---------- 自查区块 ---------- */
.selfcheck{
  background:#fff;border-radius:var(--r-lg);padding:48px;box-shadow:var(--sh-1);
  border:1px solid var(--line);
}
.check-media{border-radius:20px;overflow:hidden;position:relative;}
.check-media img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.check-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad-brand);
}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list .idx{
  flex:0 0 30px;height:30px;border-radius:10px;
  background:rgba(124,77,255,.1);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.check-list strong{display:block;font-size:15px;color:var(--ink-900);margin-bottom:4px;}
.check-list span{font-size:14px;color:var(--ink-600);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{
  background:transparent;border:0;
}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease);
}
.accordion .accordion-item:hover{box-shadow:var(--sh-2);}
.accordion .accordion-title{
  border:0;padding:20px 52px 20px 24px;font-size:16px;font-weight:600;color:var(--ink-900);
  position:relative;background:#fff;line-height:1.6;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{
  background:rgba(124,77,255,.04);color:var(--brand-600);
}
.accordion .accordion-title::before{
  content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--brand-500);transition:transform .22s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(90deg);}
.accordion .accordion-content{
  border:0;border-top:1px solid var(--line);padding:18px 24px 22px;
  font-size:15px;line-height:1.8;color:var(--ink-600);background:#fff;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;
  padding:48px;box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;margin:0;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;min-width:0;
  border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.95);
  border-radius:999px;padding:13px 20px;font-size:15px;color:var(--ink-900);outline:0;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cta-form input::placeholder{color:var(--ink-400);}
.cta-form input:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.4);}
.cta-form .btn{background:#fff;color:var(--brand-600);box-shadow:0 12px 26px -14px rgba(0,0,0,.5);}
.cta-form .btn:hover{background:#fff;color:var(--brand-600);transform:translateY(-2px);}
.cta-hint{font-size:13px;color:rgba(255,255,255,.8);margin-top:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);color:rgba(255,255,255,.72);
  margin-top:72px;position:relative;padding:56px 0 24px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);
}
.footer-grid{margin-bottom:36px;}
.footer-col{margin-bottom:26px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:330px;}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;}
.footer-links li,.footer-info li{margin-bottom:10px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-links a:hover{color:var(--teal-500);}
.footer-info li{color:rgba(255,255,255,.62);}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;
  border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.to-top:focus-visible{outline:2px solid rgba(124,77,255,.6);outline-offset:2px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .nav-links,.command-search,.quick-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:56px 0;}
  .hero-card{padding:48px 34px 42px;min-height:480px;}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));}
  .selfcheck{padding:34px;}
  .cta-band{padding:36px;}
  .timeline{padding-left:34px;}
  .timeline::before{left:9px;}
  .tl-item::before{left:-31px;}
  .tl-note{margin-top:16px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:44px 0;}
  .hero-card{min-height:420px;text-align:center;align-items:center;padding:40px 22px 36px;}
  .hero-sub{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;width:100%;flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-badges{grid-template-columns:1fr;width:100%;text-align:left;}
  .tl-card{padding:22px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:5px;}
  .tl-item::before{left:-27px;top:28px;}
  .footer-bar{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  h1{font-size:28px;}
  .hero-card{padding:32px 18px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
}