/* roulang page: index */
:root{
  --purple:#5B4BE0;
  --purple-light:#EDEAFE;
  --purple-deep:#3D31B8;
  --orange:#FF7A2F;
  --orange-deep:#F26A1F;
  --night:#1A1436;
  --teal:#14B8A6;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --line:#E8E5F3;
  --t1:#1C1A2E;
  --t2:#56536E;
  --t3:#8A87A0;
  --dark-text:#FFFFFF;
  --dark-text-2:#B9B4D6;
  --success:#12A594;
  --warn:#E5484D;
  --r-btn:10px;
  --r-card:16px;
  --r-big:20px;
  --sh-sm:0 1px 2px rgba(28,26,46,.06);
  --sh-md:0 8px 24px rgba(28,26,46,.08);
  --sh-hover:0 16px 36px rgba(91,75,224,.16);
  --sec-gap:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(91,75,224,.35);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1280px;}}
@media (max-width:767px){.container{padding:0 16px;}}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.28);}
.btn-primary:hover{background:var(--orange-deep);box-shadow:0 12px 26px rgba(255,122,47,.34);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-outline{background:#fff;color:var(--purple);border-color:var(--line);}
.btn-outline:hover{border-color:var(--purple);background:var(--purple-light);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none;}

.chip{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;
  border-radius:999px;background:var(--purple-light);color:var(--purple);
  font-size:14px;font-weight:600;transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{background:#DFDAFB;color:var(--purple-deep);}
.chip.active{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(91,75,224,.28);}
.chip.active:hover{background:var(--purple-deep);color:#fff;}

.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:999px;
  background:var(--purple-light);color:var(--purple);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-teal{background:rgba(20,184,166,.12);color:#0E8E82;}

.link-more{color:var(--purple);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .2s ease;}
.link-more:hover{color:var(--purple-deep);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(28,26,46,.08);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--t1);flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--purple) 0%,var(--night) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
  box-shadow:0 6px 14px rgba(91,75,224,.32);
}
.logo span.logo-text em{font-style:normal;color:var(--purple);}
.nav-chips{display:flex;align-items:center;gap:10px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--t2);display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--purple);border-color:var(--purple);background:var(--purple-light);}
.icon-btn:active{transform:scale(.96);}
.menu-toggle{display:none;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,20,54,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-links{display:flex;flex-direction:column;gap:10px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:var(--r-btn);background:var(--purple-light);
  color:var(--purple);font-weight:600;font-size:15px;
}
.drawer-links a.active{background:var(--purple);color:#fff;}
.drawer-links a:hover{background:#DFDAFB;}
.drawer-links a.active:hover{background:var(--purple-deep);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--night);color:#fff;
  min-height:560px;display:flex;align-items:center;
}
.hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.85;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(26,20,54,.94) 0%,rgba(26,20,54,.78) 48%,rgba(91,75,224,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:96px 0 110px;max-width:760px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:600;color:#fff;margin-bottom:22px;
}
.hero h1{
  font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.02em;color:#fff;margin-bottom:18px;
}
.hero h1 .hl{
  color:var(--orange);position:relative;white-space:nowrap;
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;border-radius:4px;
  background:rgba(255,122,47,.28);
}
.hero-sub{font-size:17px;line-height:1.7;color:var(--dark-text-2);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:24px;max-width:720px;
}
.stat-item .stat-num{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.01em;line-height:1.2;}
.stat-item .stat-num small{font-size:14px;font-weight:600;color:var(--orange);margin-left:2px;}
.stat-item .stat-label{font-size:13px;color:var(--dark-text-2);margin-top:4px;}
.hero-slash{
  position:absolute;left:0;right:0;bottom:-1px;height:26px;background:var(--bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);z-index:3;
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec-gap) 0;position:relative;}
.section-alt{background:#fff;}
.section-dark{background:var(--night);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.3;}
.section-head p{font-size:15px;color:var(--t2);margin-top:8px;max-width:640px;}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head p{color:var(--dark-text-2);}
.num-watermark{
  position:absolute;top:26px;right:24px;font-size:96px;font-weight:800;line-height:1;
  color:rgba(91,75,224,.08);pointer-events:none;user-select:none;letter-spacing:-.04em;
}
.star-field{
  position:absolute;inset:0;pointer-events:none;opacity:.3;
  background-image:radial-gradient(rgba(91,75,224,.55) 1.5px,transparent 1.6px);
  background-size:88px 88px;background-position:12px 24px;
}

/* ---------- 目录 chip 行 ---------- */
.catalog-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:28px;
  padding:6px;background:#fff;border:1px solid var(--line);border-radius:999px;width:fit-content;max-width:100%;
}
.catalog-bar .chip{background:transparent;}
.catalog-bar .chip:hover{background:var(--purple-light);}
.catalog-bar .chip.active{background:var(--purple);color:#fff;}

/* ---------- 精选不对称栅格 ---------- */
.featured-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;margin-bottom:20px;}
.feature-main{
  position:relative;border-radius:var(--r-big);overflow:hidden;background:var(--night);
  min-height:400px;display:flex;align-items:flex-end;color:#fff;
  box-shadow:var(--sh-md);transition:transform .25s ease,box-shadow .25s ease;
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62;}
.feature-main .feature-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,20,54,.25) 0%,rgba(26,20,54,.9) 100%);
}
.feature-main .feature-body{position:relative;z-index:2;padding:28px;}
.feature-main h3{font-size:24px;font-weight:800;line-height:1.35;color:#fff;margin:12px 0 10px;}
.feature-main p{font-size:15px;color:var(--dark-text-2);max-width:520px;}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.feature-main:hover h3{color:var(--orange);}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:20px;}
.feature-side .feature-main{min-height:190px;}
.feature-side .feature-main h3{font-size:18px;margin:8px 0 6px;}
.feature-side .feature-main p{font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:0 3px 3px 0;
  background:var(--purple);opacity:0;transition:opacity .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DAD4F7;}
.card:hover::before{opacity:1;}
.card:hover h3 a{color:var(--purple);}
.card-cover{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;
  background:var(--purple-light);
  background-image:radial-gradient(rgba(91,75,224,.35) 1.4px,transparent 1.5px);
  background-size:26px 26px;
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-cover img{transform:scale(1.05);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.card-body h3 a{color:var(--t1);}
.card-body p{
  font-size:14px;color:var(--t2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);
}
.card-foot .arrow-link{color:var(--purple);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-foot .arrow-link i{transition:transform .2s ease;}
.card-foot .arrow-link:hover i{transform:translateX(4px);}

/* ---------- 数据面板（赛事数据区） ---------- */
.data-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-bottom:32px;
}
.data-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.data-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.data-card .data-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.data-card .data-head span{font-size:13px;color:var(--t3);}
.data-card .data-value{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.1;}
.data-card .data-value small{font-size:14px;font-weight:600;color:var(--t3);margin-left:4px;}
.data-card .data-bar{height:6px;border-radius:999px;background:var(--purple-light);margin-top:14px;overflow:hidden;}
.data-card .data-bar i{display:block;height:100%;border-radius:999px;background:var(--purple);}
.badge-teal{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(20,184,166,.12);color:#0E8E82;font-size:12px;font-weight:700;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;
  background:var(--purple-light);color:var(--purple);font-size:12px;font-weight:700;
}

/* ---------- 横向滚动推荐 ---------- */
.scroll-row{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,1fr);gap:20px;
  overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory;
}
.scroll-row::-webkit-scrollbar{height:6px;}
.scroll-row::-webkit-scrollbar-thumb{background:#D9D5EE;border-radius:999px;}
.scroll-row::-webkit-scrollbar-track{background:transparent;}
.scroll-row .card{scroll-snap-align:start;}

/* ---------- CTA 色带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  background:linear-gradient(100deg,var(--purple) 0%,var(--night) 100%);
  color:#fff;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 20px 44px rgba(26,20,54,.2);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,122,47,.16);
}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.35;letter-spacing:-.01em;color:#fff;}
.cta-band p{font-size:15px;color:var(--dark-text-2);margin-top:8px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-icon-btn{
  width:48px;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.08);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;transition:all .2s ease;
}
.cta-icon-btn:hover{background:rgba(255,255,255,.2);border-color:#fff;}
.cta-icon-btn:active{transform:scale(.95);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;position:relative;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--purple);
}
.faq-item[open]{box-shadow:var(--sh-md);border-color:#DAD4F7;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px 20px 26px;
  font-size:17px;font-weight:600;color:var(--t1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--purple);}
.faq-item summary i{color:var(--purple);font-size:14px;transition:transform .2s ease;flex-shrink:0;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item .faq-answer{padding:0 24px 22px 26px;font-size:15px;line-height:1.75;color:var(--t2);}

/* ---------- 列表 ---------- */
.tick-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px;}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t2);}
.tick-list li i{color:var(--teal);margin-top:5px;font-size:13px;flex-shrink:0;}

/* ---------- 空态 ---------- */
.empty-state{
  grid-column:1/-1;text-align:center;padding:48px 24px;border:1px dashed var(--line);
  border-radius:var(--r-card);background:#fff;
}
.empty-state .empty-dot{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:var(--purple-light);
  display:flex;align-items:center;justify-content:center;color:var(--purple);font-size:22px;
  background-image:radial-gradient(rgba(91,75,224,.4) 1.4px,transparent 1.5px);background-size:16px 16px;
}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:18px;}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);}
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.form-row label{font-size:14px;font-weight:600;color:var(--t1);}
.form-row input,.form-row textarea{
  height:48px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#FBFAFE;color:var(--t1);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row textarea{height:110px;padding:12px 14px;resize:vertical;}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(91,75,224,.16);
}
.form-row input.error,.form-row textarea.error{border-color:var(--warn);}
.form-hint{font-size:13px;color:var(--t3);}
.form-error{font-size:13px;color:var(--warn);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:var(--dark-text-2);padding:64px 0 0;margin-top:var(--sec-gap);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;
}
.footer-col{padding:0 28px;}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{padding-right:0;border-right:0;}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.08);}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:16px;}
.footer-logo .logo-mark{width:32px;height:32px;font-size:14px;}
.footer-col p{font-size:14px;line-height:1.8;color:var(--dark-text-2);}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.01em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--dark-text-2);text-underline-offset:4px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:14px;display:flex;gap:10px;align-items:flex-start;margin-bottom:10px;}
.footer-contact li i{color:var(--purple);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:36px;}
}
@media (max-width:1023px){
  :root{--sec-gap:56px;}
  .nav-chips{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-right .btn-sm{display:none;}
  .hero{min-height:480px;}
  .hero-inner{padding:72px 0 88px;}
  .featured-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-rows:auto auto;grid-template-columns:1fr 1fr;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
  .footer-col:nth-child(3),.footer-col:nth-child(4){border-top:1px solid rgba(255,255,255,.08);padding-top:28px;}
  .footer-col:nth-child(4){padding-right:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .tick-list{grid-template-columns:1fr;}
}
@media (max-width:767px){
  :root{--sec-gap:40px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:22px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .stat-item .stat-num{font-size:22px;}
  .hero-inner{padding:56px 0 76px;}
  .card-grid{grid-template-columns:1fr;}
  .data-strip{grid-template-columns:1fr;}
  .feature-side{grid-template-columns:1fr;}
  .num-watermark{font-size:64px;top:18px;right:16px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding:0;border-left:0 !important;}
  .footer-col + .footer-col{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;margin-top:24px;}
  .scroll-row{grid-auto-columns:minmax(262px,1fr);}
}
@media (max-width:479px){
  .hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .catalog-bar{border-radius:var(--r-card);width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .btn-sm{height:38px;}
}

/* roulang page: category1 */
:root{
  --brand:#5B4BE0;
  --brand-soft:#EDEAFE;
  --brand-deep:#4034B8;
  --action:#FF7A2F;
  --action-deep:#EA6417;
  --night:#1A1436;
  --night-2:#2A1F5C;
  --cyan:#14B8A6;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --line:#E8E5F3;
  --text:#1C1A2E;
  --text-2:#56536E;
  --text-3:#8A87A0;
  --dark-text:#FFFFFF;
  --dark-text-2:#B9B4D6;
  --ok:#12A594;
  --warn:#E5484D;
  --r-btn:10px;
  --r-card:16px;
  --r-hero:20px;
  --r-chip:999px;
  --sh-sm:0 1px 2px rgba(28,26,46,.06);
  --sh-md:0 8px 24px rgba(28,26,46,.08);
  --sh-hover:0 16px 36px rgba(91,75,224,.16);
  --sec-desktop:80px;
  --sec-tablet:56px;
  --sec-mobile:40px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:3px solid rgba(91,75,224,.35);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
  font-weight:800;
  font-size:17px;
  letter-spacing:-0.02em;
}
.brand:hover{color:var(--text);}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--night-2));
  color:#fff;
  font-size:15px;
  flex:0 0 auto;
}
.brand-text{white-space:nowrap;}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:4px 2px;
  flex:1 1 auto;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 16px,#000 calc(100% - 16px),transparent 100%);
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:34px;
  padding:0 14px;
  border-radius:var(--r-chip);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.chip:hover{background:#E0DAFC;color:var(--brand-deep);}
.chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(91,75,224,.28);}
.chip.active:hover{background:var(--brand-deep);color:#fff;}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#D8D2F6;background:#FBFAFE;}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{display:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:0;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--action);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-primary:hover{background:var(--action-deep);color:#fff;box-shadow:0 12px 26px rgba(255,122,47,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;}
.btn-outline{background:#fff;color:var(--brand);border-color:#D8D2F6;}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,20,54,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:82vw;
  background:#fff;z-index:95;padding:20px;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;gap:18px;
  box-shadow:-12px 0 32px rgba(28,26,46,.14);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-weight:800;font-size:16px;}
.drawer-links{display:flex;flex-direction:column;gap:10px;}
.drawer-links a{
  display:block;padding:11px 14px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;font-size:15px;
}
.drawer-links a.active{background:var(--brand);color:#fff;}
.drawer .btn{width:100%;margin-top:auto;}

/* ============ 内页头图 ============ */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(90deg,rgba(26,20,54,.86) 0%,rgba(26,20,54,.72) 55%,rgba(64,52,184,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:26px;
  background:var(--bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:52px;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--dark-text-2);margin-bottom:16px;
}
.crumb a{color:var(--dark-text-2);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.6;}
.crumb .now{color:#fff;}
.page-hero h1{
  font-size:40px;
  font-weight:800;
  line-height:1.2;
  max-width:760px;
}
.page-hero h1 .hl{
  color:#fff;
  background:linear-gradient(transparent 68%,rgba(255,122,47,.85) 68%);
  padding:0 2px;
}
.hero-lead{
  margin-top:16px;
  max-width:720px;
  font-size:16px;
  line-height:1.75;
  color:#E7E4F7;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:var(--r-chip);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;font-weight:600;
}
.tag-badge i{color:var(--cyan);}

/* ============ 通用区块 ============ */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;
}
.sec-head h2{font-size:28px;font-weight:800;}
.sec-head .sub{margin-top:8px;color:var(--text-2);font-size:15px;max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap;
}
.text-link:hover{color:var(--brand-deep);gap:9px;}

/* 数据条 */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-sm);
  margin-top:-46px;
  position:relative;
  z-index:5;
}
.stat-item{text-align:left;padding:0 4px;}
.stat-value{
  font-size:26px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-2);}

/* 条目卡栅格 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.entry-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D8D2F6;}
.entry-card:hover::before{opacity:1;}
.card-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--brand-soft);
  overflow:hidden;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.entry-card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-tag{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;border-radius:var(--r-chip);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;
}
.card-title{font-size:18px;font-weight:700;line-height:1.4;color:var(--text);}
.entry-card:hover .card-title{color:var(--brand);}
.card-desc{font-size:14px;color:var(--text-2);line-height:1.7;}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.card-foot .go{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.entry-card:hover .card-foot .go{gap:9px;}

/* 步骤流程 */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);position:relative;overflow:hidden;
}
.step::after{
  content:attr(data-num);
  position:absolute;right:14px;top:2px;
  font-size:56px;font-weight:800;color:rgba(91,75,224,.08);
  font-variant-numeric:tabular-nums;line-height:1;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:10px;position:relative;z-index:2;}
.step p{font-size:14px;color:var(--text-2);position:relative;z-index:2;}
.step .step-line{
  width:36px;height:3px;border-radius:2px;background:var(--action);
  margin-bottom:16px;
}

/* 相关分类 */
.related-chips{display:flex;flex-wrap:wrap;gap:12px;}
.related-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--r-chip);
  background:#fff;border:1px solid var(--line);
  color:var(--text);font-size:14px;font-weight:600;
  box-shadow:var(--sh-sm);
  transition:border-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.related-chip i{color:var(--brand);font-size:13px;}
.related-chip:hover{
  color:var(--brand);border-color:#D8D2F6;transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(91,75,224,.14);
}

/* CTA 色带 */
.cta-band{
  position:relative;
  background:linear-gradient(90deg,var(--brand) 0%,var(--night-2) 100%);
  border-radius:var(--r-hero);
  padding:40px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;
  width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.28) 0%,rgba(255,122,47,0) 70%);
}
.cta-band h2{font-size:26px;font-weight:800;position:relative;z-index:2;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--dark-text-2);max-width:620px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* 页脚 */
.site-footer{
  background:var(--night);
  color:var(--dark-text-2);
  margin-top:80px;
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:0;
}
.footer-col{padding:0 24px;border-left:1px solid rgba(255,255,255,.08);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-logo{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;
}
.footer-col p{font-size:14px;line-height:1.8;color:var(--dark-text-2);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--dark-text-2);font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-contact li{display:flex;align-items:center;gap:10px;}
.footer-contact i{color:var(--brand);width:16px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(185,180,214,.85);
}

/* ============ 响应式 ============ */
@media (min-width:1280px){
  .container{max-width:1280px;}
}
@media (max-width:1023px){
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .page-hero h1{font-size:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-chips{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{height:56px;}
  .brand-text{font-size:15px;}
  .icon-btn{display:none;}
  .section{padding:40px 0;}
  .section-tight{padding:36px 0;}
  .page-hero{min-height:280px;}
  .page-hero h1{font-size:30px;}
  .page-hero .container{padding-top:32px;padding-bottom:44px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:22px;}
  .stat-strip{grid-template-columns:1fr 1fr;margin-top:-32px;padding:20px;gap:16px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px;border-radius:16px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-col{padding:0;border-left:0;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .page-hero h1{font-size:26px;}
  .stat-value{font-size:22px;}
  .card-title{font-size:17px;}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .btn{height:46px;width:100%;}
  .btn-sm{width:auto;height:38px;}
}

/* roulang page: article */
:root{
  --brand:#5B4BE0;
  --brand-dark:#4436C7;
  --brand-soft:#EDEAFE;
  --brand-soft-2:#E0DBFC;
  --accent:#FF7A2F;
  --accent-dark:#EA6318;
  --night:#1A1436;
  --night-2:#241C4A;
  --teal:#14B8A6;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --line:#E8E5F3;
  --text:#1C1A2E;
  --text-2:#56536E;
  --text-3:#8A87A0;
  --warn:#E5484D;
  --ok:#12A594;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(28,26,46,.06);
  --sh-md:0 8px 24px rgba(28,26,46,.08);
  --sh-hover:0 16px 36px rgba(91,75,224,.16);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;}
::selection{background:rgba(91,75,224,.18);}
:focus-visible{outline:3px solid rgba(91,75,224,.4);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{height:64px;display:flex;align-items:center;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--brand);}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#6E5EEA,#4436C7);
  color:#fff;display:grid;place-items:center;font-size:13px;
  box-shadow:0 6px 14px rgba(91,75,224,.28);
}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);
  font-size:14px;font-weight:600;white-space:nowrap;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.chip:hover{background:var(--brand-soft-2);}
.chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(91,75,224,.28);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:grid;place-items:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#D6CFFB;box-shadow:var(--sh-sm);}
.icon-btn:active{transform:translateY(1px);}
.menu-toggle{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand);border-color:#CFC7FA;box-shadow:var(--sh-sm);}
.btn-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-dark:hover{background:#fff;color:var(--night);}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;visibility:hidden;opacity:0;transition:opacity .25s ease,visibility .25s ease;}
.drawer.open{visibility:visible;opacity:1;}
.drawer-mask{position:absolute;inset:0;background:rgba(26,20,54,.5);}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:290px;max-width:86vw;
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .28s ease;box-shadow:-16px 0 40px rgba(28,26,46,.18);
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-nav{display:flex;flex-direction:column;gap:10px;}
.drawer-nav .chip{height:44px;justify-content:flex-start;width:100%;border-radius:var(--r-sm);padding:0 16px;font-size:15px;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;color:#fff;padding:44px 0 56px;overflow:hidden;
  background:var(--night) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(26,20,54,.86) 0%,rgba(26,20,54,.9) 55%,rgba(91,75,224,.72) 100%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:80px 80px;background-position:12px 8px;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#B9B4D6;margin-bottom:20px;}
.breadcrumb a{color:#B9B4D6;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:40px;font-weight:800;line-height:1.2;letter-spacing:-.02em;
  max-width:900px;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:#B9B4D6;}
.meta-chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;font-weight:600;
}
.meta-dot{opacity:.5;}
.meta-item{display:inline-flex;align-items:center;gap:6px;}

/* ---------- article body ---------- */
.article-main{padding:56px 0 72px;}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh-sm);
}
.prose{max-width:760px;margin:0 auto;font-size:16px;line-height:1.75;color:var(--text-2);}
.prose > *:first-child{margin-top:0;}
.prose h2{
  position:relative;font-size:28px;line-height:1.3;font-weight:800;letter-spacing:-.02em;
  color:var(--text);margin:44px 0 16px;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--brand);
}
.prose h3{font-size:20px;line-height:1.4;font-weight:700;color:var(--text);margin:32px 0 12px;}
.prose h4{font-size:17px;font-weight:700;color:var(--text);margin:24px 0 10px;}
.prose p{margin:0 0 18px;}
.prose strong{color:var(--text);font-weight:700;}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--brand-dark);}
.prose ul,.prose ol{margin:0 0 20px;padding-left:4px;}
.prose ul li,.prose ol li{position:relative;padding-left:22px;margin-bottom:10px;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--brand);opacity:.75;
}
.prose ol{counter-reset:prose-list;}
.prose ol li{counter-increment:prose-list;}
.prose ol li::before{
  content:counter(prose-list);position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:24px 0;padding:18px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--text);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-md);margin:24px 0;background:var(--brand-soft);width:100%;height:auto;}
.prose figure{margin:26px 0;}
.prose figure img{margin:0;}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.prose table{width:100%;margin:26px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;}
.prose thead th{background:var(--brand-soft);color:var(--brand);font-weight:700;text-align:left;}
.prose th,.prose td{padding:12px 16px;border-bottom:1px solid var(--line);}
.prose tbody tr:last-child td{border-bottom:0;}
.prose tbody tr:hover td{background:#FBFAFE;}
.prose code{background:var(--brand-soft);color:var(--brand-dark);padding:2px 7px;border-radius:6px;font-size:14px;}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* ---------- empty state ---------- */
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;padding:56px 24px;
  border:1px dashed #D9D3F5;border-radius:var(--r-lg);background:#FBFAFE;
}
.empty-dots{
  width:78px;height:78px;margin:0 auto 20px;border-radius:50%;
  background:var(--brand-soft) radial-gradient(rgba(91,75,224,.35) 1.5px,transparent 1.5px);
  background-size:14px 14px;display:grid;place-items:center;color:var(--brand);font-size:22px;
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ---------- tag + share ---------- */
.article-foot{max-width:760px;margin:0 auto;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
  transition:background-color .2s ease,transform .2s ease;
}
.tag:hover{background:var(--brand-soft-2);transform:translateY(-1px);}
.share-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--line);
}
.share-bar .share-label{font-size:14px;color:var(--text-3);}
.share-btns{display:flex;gap:10px;}
.share-btns .icon-btn{width:40px;height:40px;border-radius:50%;}
.copy-tip{font-size:13px;color:var(--ok);opacity:0;transition:opacity .25s ease;}
.copy-tip.show{opacity:1;}

/* ---------- related ---------- */
.section{padding:72px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--text);}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-more:hover{color:var(--brand-dark);gap:10px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DED8FA;}
.post-card:hover::before{transform:scaleY(1);}
.post-card:hover .post-title{color:var(--brand);}
.post-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-soft);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-cat{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.post-title{font-size:17px;font-weight:700;line-height:1.45;color:var(--text);transition:color .2s ease;}
.post-excerpt{font-size:14px;line-height:1.7;color:var(--text-2);}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.post-foot .arrow{color:var(--brand);}
.back-row{margin-top:36px;display:flex;justify-content:center;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(100deg,var(--brand) 0%,var(--night) 100%);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:0;
  border-bottom:24px solid rgba(255,255,255,.06);
  border-left:60vw solid transparent;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;padding:56px 0;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-text h2{font-size:28px;font-weight:800;letter-spacing:-.02em;margin-bottom:8px;}
.cta-text p{font-size:15px;color:#CFCAEA;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-actions .icon-btn{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff;border-radius:50%;width:44px;height:44px;}
.cta-actions .icon-btn:hover{background:#fff;color:var(--night);}

/* ---------- footer ---------- */
.site-footer{background:var(--night);color:#B9B4D6;padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.footer-col{padding-right:24px;}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.08);padding-left:32px;}
.footer-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-logo .logo-mark{background:linear-gradient(135deg,#6E5EEA,#12A594);}
.footer-col p{line-height:1.8;color:#B9B4D6;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#B9B4D6;width:fit-content;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#B9B4D6;}
.footer-contact i{color:var(--teal);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8F8AB4;
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1100px;}
}
@media (max-width:1023px){
  .article-title{font-size:34px;}
  .article-card{padding:32px 28px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-col{padding-right:0;}
  .footer-col + .footer-col{border-left:0;padding-left:0;}
  .section{padding:56px 0;}
}
@media (max-width:860px){
  .nav-chips{display:none;}
  .menu-toggle{display:grid;}
  .header-inner{gap:12px;}
  .header-actions{margin-left:auto;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .article-hero{padding:32px 0 40px;}
  .article-title{font-size:30px;}
  .article-main{padding:40px 0 56px;}
  .article-card{padding:24px 20px;border-radius:var(--r-md);}
  .prose h2{font-size:22px;}
  .prose h3{font-size:18px;}
  .section{padding:40px 0;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-inner{padding:40px 0;}
  .cta-text h2{font-size:22px;}
  .prose table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .brand{font-size:15px;}
  .article-title{font-size:26px;}
  .article-card{padding:20px 16px;}
  .btn{width:100%;}
  .header-actions .btn{width:auto;padding:0 14px;height:38px;font-size:14px;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --purple:#5B4BE0;
  --purple-deep:#4335C4;
  --purple-soft:#EDEAFE;
  --purple-soft-2:#E0DAFD;
  --orange:#FF7A2F;
  --orange-hover:#F06A1E;
  --night:#1A1436;
  --night-2:#241C4A;
  --teal:#14B8A6;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --line:#E8E5F3;
  --text:#1C1A2E;
  --text-2:#56536E;
  --text-3:#8A87A0;
  --on-dark:#FFFFFF;
  --on-dark-2:#B9B4D6;
  --success:#12A594;
  --danger:#E5484D;
  --r-btn:10px;
  --r-card:16px;
  --r-big:20px;
  --r-chip:999px;
  --sh-sm:0 1px 2px rgba(28,26,46,.06);
  --sh-md:0 8px 24px rgba(28,26,46,.08);
  --sh-hover:0 16px 36px rgba(91,75,224,.16);
  --container:1200px;
  --gap:24px;
  --sec:80px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(91,75,224,.35);outline-offset:2px;border-radius:8px;}
::selection{background:var(--purple);color:#fff;}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section--tight{padding:56px 0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.25;}
.section-head p{margin-top:8px;color:var(--text-2);font-size:15px;max-width:640px;}
.link-more{color:var(--purple);font-weight:600;font-size:15px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:gap .2s;}
.link-more:hover{gap:10px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--purple);text-transform:uppercase;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--purple),#7B6CF3);color:#fff;font-size:14px;flex:0 0 auto;
}
.nav-chips{display:flex;align-items:center;gap:8px;min-width:0;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  height:34px;padding:0 14px;border-radius:var(--r-chip);
  background:var(--purple-soft);color:var(--purple);
  font-size:14px;font-weight:600;white-space:nowrap;
  display:inline-flex;align-items:center;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--purple-soft-2);}
.chip:active{transform:scale(.97);}
.chip.active{background:var(--purple);color:#fff;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-soft);}
.burger{display:none;width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);place-items:center;color:var(--text-2);}
.burger:hover{border-color:var(--purple);color:var(--purple);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.26);}
.btn-primary:hover{background:var(--orange-hover);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.32);}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn-ghost{border:1.5px solid var(--line);color:var(--text);background:#fff;}
.btn-ghost:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-soft);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 抽屉菜单 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(26,20,54,.5);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:80;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;z-index:90;padding:22px;display:flex;flex-direction:column;gap:14px;
  transform:translateX(100%);transition:transform .28s ease;box-shadow:-12px 0 40px rgba(28,26,46,.18);
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;}
.drawer .chip{height:42px;justify-content:flex-start;width:100%;padding:0 16px;}
.drawer .btn{width:100%;margin-top:8px;}

/* ============ 分类头图 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(26,20,54,.92) 0%,rgba(26,20,54,.72) 52%,rgba(91,75,224,.62) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:60px;padding-bottom:72px;}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:24px;background:var(--bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);z-index:3;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .18s ease;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:40px;font-weight:800;line-height:1.2;letter-spacing:-.02em;max-width:760px;
}
.page-hero h1 .h1-brand{
  display:inline-block;border-bottom:4px solid var(--orange);padding-bottom:2px;
}
.page-hero .lead{
  margin-top:18px;color:var(--on-dark-2);font-size:17px;line-height:1.8;max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:var(--r-chip);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:13px;font-weight:600;
}
.tag-badge i{color:var(--teal);}

/* ============ 时间轴条目流 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:18px;bottom:18px;width:2px;
  background:linear-gradient(180deg,var(--purple),#D9D3FA 70%,rgba(217,211,250,0));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:56px 1fr 48px;gap:22px;align-items:start;
  padding:22px 0 26px;
}
.tl-num{
  width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--purple-soft);
  color:var(--purple);font-weight:800;font-size:17px;display:grid;place-items:center;
  z-index:1;position:relative;transition:border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.tl-item:hover .tl-num{border-color:var(--purple);color:#fff;background:var(--purple);box-shadow:var(--sh-hover);}
.tl-body h3{font-size:20px;font-weight:700;letter-spacing:-.01em;transition:color .18s ease;}
.tl-item:hover .tl-body h3{color:var(--purple);}
.tl-body p{margin-top:8px;color:var(--text-2);font-size:15px;line-height:1.78;max-width:780px;}
.tl-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-3);}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-meta i{color:var(--purple);}
.tl-arrow{
  width:40px;height:40px;border-radius:50%;border:1.5px dotted var(--purple);color:var(--purple);
  display:grid;place-items:center;font-size:13px;justify-self:end;margin-top:6px;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-style .2s ease;
}
.tl-item:hover .tl-arrow{background:var(--purple);color:#fff;border-style:solid;transform:translateX(4px);}

/* ============ 卡片栅格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DCD6F7;}
.card-cover{position:relative;aspect-ratio:16/9;background:var(--purple-soft);overflow:hidden;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:20px;}
.card-body h3{font-size:18px;font-weight:700;line-height:1.4;letter-spacing:-.01em;transition:color .18s ease;}
.card:hover .card-body h3{color:var(--purple);}
.card-body p{margin-top:10px;color:var(--text-2);font-size:14.5px;line-height:1.75;}
.card-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}

/* ============ 数据条 ============ */
.stats-band{
  position:relative;overflow:hidden;background:var(--night);color:#fff;
  border-radius:var(--r-big);padding:44px 40px;
}
.stats-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:90px 90px;opacity:.22;pointer-events:none;
}
.stats-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.stat-num{font-size:34px;font-weight:800;line-height:1.1;letter-spacing:-.02em;}
.stat-num em{font-style:normal;font-size:16px;font-weight:600;color:var(--on-dark-2);margin-left:4px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--on-dark-2);line-height:1.6;}
.stat-line{width:32px;height:3px;border-radius:2px;background:var(--orange);margin-bottom:14px;}

/* ============ 相关入口 chip ============ */
.related-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.related-chips a{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-chip);
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:14px;font-weight:600;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.related-chips a:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-soft);}

/* ============ FAQ ============ */
.faq-list{margin-top:8px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--purple);}
.faq-item:hover{border-color:#DCD6F7;box-shadow:var(--sh-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px 18px 26px;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{color:var(--purple);transition:transform .2s ease;flex:0 0 auto;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-item[open] summary{color:var(--purple);}
.faq-answer{padding:0 26px 20px;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ============ CTA 色带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  background:linear-gradient(96deg,#5B4BE0 0%,#3A2C93 55%,#1A1436 100%);
  color:#fff;padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.32),transparent 68%);
}
.cta-band h2{font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.3;position:relative;z-index:1;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;max-width:560px;position:relative;z-index:1;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--night);color:var(--on-dark-2);padding:64px 0 28px;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col{padding-right:24px;border-right:1px solid rgba(255,255,255,.08);}
.footer-col:last-child{border-right:0;padding-right:0;}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;letter-spacing:-.02em;margin-bottom:16px;}
.footer-logo .logo-mark{background:linear-gradient(135deg,var(--purple),#7B6CF3);}
.footer-col p{font-size:14px;line-height:1.8;color:var(--on-dark-2);}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--on-dark-2);font-size:14px;transition:color .18s ease;width:fit-content;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:var(--on-dark-2);}
.footer-contact i{color:var(--purple);margin-top:4px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--container:1080px;}
}
@media (max-width:1023px){
  :root{--sec:56px;}
  .nav-chips{display:none;}
  .burger{display:grid;}
  .nav-actions{gap:8px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-col{border-right:0;padding-right:0;}
  .page-hero h1{font-size:34px;}
  .section-head h2{font-size:24px;}
}
@media (max-width:767px){
  :root{--sec:40px;--gap:16px;}
  .container{padding:0 16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:44px 1fr;gap:16px;}
  .tl-num{width:44px;height:44px;font-size:15px;}
  .timeline::before{left:21px;}
  .tl-arrow{display:none;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .stats-band{padding:32px 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .page-hero h1{font-size:27px;}
  .page-hero .lead{font-size:15px;}
  .stats-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions,.cta-actions{width:100%;}
  .nav-actions .btn-primary{width:auto;}
  .logo{font-size:15px;}
}

/* roulang page: category3 */
:root{
  --brand:#5B4BE0;
  --brand-light:#EDEAFE;
  --brand-soft:#DFD9FB;
  --accent:#FF7A2F;
  --accent-dark:#E5661C;
  --teal:#14B8A6;
  --night:#1A1436;
  --night-soft:#241B4A;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --line:#E8E5F3;
  --ink:#1C1A2E;
  --ink-2:#56536E;
  --ink-3:#8A87A0;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-hero:20px;
  --sh-sm:0 1px 2px rgba(28,26,46,.06);
  --sh-md:0 8px 24px rgba(28,26,46,.08);
  --sh-lg:0 16px 36px rgba(91,75,224,.16);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(91,75,224,.35);outline-offset:2px;border-radius:8px;}

.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:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#5B4BE0,#1A1436);
  color:#fff;display:grid;place-items:center;font-size:14px;
}
.brand-name{font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap;}

.nav-chips{
  display:flex;align-items:center;gap:8px;
  margin-left:auto;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
  padding:6px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 14px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);
  font-size:14px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{background:var(--brand-soft);}
.chip:active{transform:scale(.97);}
.chip.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(91,75,224,.28);}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.menu-toggle{
  display:none;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  cursor:pointer;place-items:center;transition:background .2s ease,border-color .2s ease;
}
.menu-toggle:hover{background:var(--brand-light);border-color:var(--brand-soft);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.28);}
.btn-primary:hover{background:var(--accent-dark);box-shadow:0 10px 24px rgba(255,122,47,.34);transform:translateY(-1px);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-light);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);}
.btn-block{width:100%;}
.icon-btn{
  width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);
  color:#fff;display:inline-grid;place-items:center;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.2);transform:translateY(-1px);}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;background:var(--night);}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:24px;
  background:linear-gradient(to bottom right,transparent 49.6%,#F7F6FB 50%);
  z-index:3;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(115deg,rgba(26,20,54,.92) 8%,rgba(91,75,224,.72) 82%);
}
.hero-slim{min-height:310px;display:flex;align-items:center;}
.hero-inner{position:relative;z-index:4;padding-top:58px;padding-bottom:70px;}

.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:#B9B4D6;margin-bottom:20px;
}
.breadcrumb a{color:#CFC9EE;transition:color .18s ease;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;opacity:.7;}
.breadcrumb .current{color:#fff;}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  color:#EDEAFE;font-size:13px;font-weight:600;
}
.hero h1{
  margin-top:18px;
  font-size:40px;font-weight:800;line-height:1.2;
  letter-spacing:-.02em;color:#fff;
}
.hero-sub{margin-top:14px;max-width:660px;color:#B9B4D6;font-size:17px;line-height:1.8;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}

/* ---------- 数据条 ---------- */
.stat-bar{
  position:relative;z-index:6;
  margin-top:-42px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:var(--sh-md);
}
.stat-item{text-align:center;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:30px;font-weight:800;line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-label{margin-top:6px;font-size:13px;color:var(--ink-3);}

/* ---------- 区块 ---------- */
.section{padding:80px 0;}
.section-plain{background:#fff;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:34px;flex-wrap:wrap;
}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.35;}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:660px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
  transition:gap .18s ease,color .18s ease;
}
.text-link:hover{gap:10px;color:#3E32B0;}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);opacity:0;transition:opacity .2s ease;z-index:3;
}
.card:hover::before{opacity:1;}
.card-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--brand-light);
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.05);}
.card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(26,20,54,.28),transparent 55%);
}
.card-flag{
  position:absolute;left:14px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand);
  font-size:12px;font-weight:700;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-tag{
  align-self:flex-start;display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:600;
}
.card-title{font-size:18px;font-weight:700;line-height:1.5;transition:color .2s ease;}
.card:hover .card-title{color:var(--brand);}
.card-desc{font-size:14px;color:var(--ink-2);line-height:1.7;}
.card-foot{
  margin-top:auto;padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.card-foot .go{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;
  transition:gap .18s ease;
}
.card:hover .card-foot .go{gap:10px;}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.flow-step{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.flow-num{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);
  font-size:16px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{margin-top:16px;font-size:18px;font-weight:700;}
.flow-step p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- 订阅表单 ---------- */
.form-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-hero);padding:44px;
  box-shadow:var(--sh-md);
}
.form-intro .kicker{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);
  font-size:13px;font-weight:600;
}
.form-intro h2{margin-top:16px;font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.35;}
.form-intro p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.8;}
.form-points{margin-top:24px;display:grid;gap:12px;}
.form-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.form-points i{color:var(--teal);margin-top:5px;font-size:13px;}

.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;border-radius:10px;
  border:1px solid var(--line);background:#FBFAFE;
  padding:0 14px;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:hover,.field select:hover{border-color:var(--brand-soft);}
.field input:focus,.field select:focus{
  outline:none;background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(91,75,224,.16);
}
.field .hint{display:block;margin-top:8px;font-size:13px;color:var(--ink-3);}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3);line-height:1.7;}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  font-size:14px;background:#E7F8F4;color:#0E7A6E;border:1px solid #BEEBE4;
}
.form-msg.show{display:block;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:var(--brand-soft);box-shadow:var(--sh-sm);}
.faq-q{
  position:relative;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px 18px 24px;
  background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 4px 4px 0;background:var(--brand);
}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .2s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- CTA 色带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  padding:44px;
  border-radius:var(--radius-hero);
  background:linear-gradient(100deg,#5B4BE0 0%,#241B4A 100%);
  color:#fff;
  box-shadow:0 18px 44px rgba(26,20,54,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;
  width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.32),transparent 68%);
}
.cta-text{position:relative;z-index:2;max-width:620px;}
.cta-text h2{font-size:26px;font-weight:800;letter-spacing:-.01em;line-height:1.4;}
.cta-text p{margin-top:12px;color:#C7C1E8;font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:#B9B4D6;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px;}
.footer-col p{font-size:14px;line-height:1.8;color:#B9B4D6;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#B9B4D6;font-size:14px;transition:color .18s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:10px;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A87A0;
}

/* ---------- 抽屉菜单 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:min(320px,86vw);background:#fff;padding:22px;
  transform:translateX(105%);
  transition:transform .28s ease;
  box-shadow:-12px 0 40px rgba(28,26,46,.18);
  overflow-y:auto;
}
.drawer.open{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head span{font-weight:800;font-size:15px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;display:grid;place-items:center;
}
.drawer-close:hover{background:var(--brand-light);}
.drawer-nav{display:grid;gap:10px;}
.drawer-nav .chip{width:100%;height:44px;font-size:15px;}
.drawer-cta{margin-top:22px;}
.drawer-mask{
  position:fixed;inset:0;z-index:110;
  background:rgba(26,20,54,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:56px 0;}
  .hero h1{font-size:34px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:1fr;}
  .form-panel{grid-template-columns:1fr;gap:28px;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);padding:22px 18px;}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-bottom:16px;border-bottom:1px solid var(--line);}
}
@media (max-width:900px){
  .nav-chips{display:none;}
  .menu-toggle{display:inline-grid;}
}
@media (max-width:767px){
  .section{padding:44px 0;}
  .header-inner{gap:12px;height:58px;}
  .brand-name{font-size:15px;}
  .hero-slim{min-height:280px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-inner{padding-top:44px;padding-bottom:62px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 24px;}
  .cta-text h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .form-intro h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:27px;}
  .stat-bar{grid-template-columns:1fr;gap:16px;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding-bottom:14px;}
  .stat-item:last-child{border-bottom:0;padding-bottom:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-bottom:14px;}
  .form-panel{padding:22px 18px;}
  .faq-q{font-size:15px;padding:16px 16px 16px 20px;}
  .faq-a p{padding:0 20px 18px;}
  .footer-logo{font-size:15px;}
}