/* roulang page: index */
:root{
  --brand:#5B2BE0;
  --brand-deep:#4520B8;
  --brand-soft:#F0EBFF;
  --grad-main:linear-gradient(115deg,#5B2BE0 0%,#B44BFF 100%);
  --grad-accent:linear-gradient(135deg,#21D4A0 0%,#37C6FF 100%);
  --accent:#21D4A0;
  --warn:#FF7A45;
  --bg:#F6F5FB;
  --bg-alt:#EFEDFA;
  --card:#FFFFFF;
  --ink:#1A1730;
  --ink-2:#56526E;
  --ink-3:#8B87A0;
  --line:#E7E4F2;
  --shadow-sm:0 2px 8px rgba(45,25,110,.06);
  --shadow-md:0 10px 28px rgba(70,35,180,.10);
  --shadow-lg:0 18px 44px rgba(70,35,180,.16);
  --r-card:24px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:14px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.25;}
h1{font-size:48px;line-height:1.2;letter-spacing:-.5px;}
h2{font-size:34px;line-height:1.28;position:relative;padding-left:18px;}
h2::before{
  content:"";position:absolute;left:0;top:.14em;width:4px;height:22px;border-radius:4px;
  background:var(--grad-main);
}
h3{font-size:21px;font-weight:600;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{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:1030;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,height .25s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-md);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .25s ease;
}
.site-header.scrolled .nav-inner{height:64px;}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:-.2px;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad-main);
  position:relative;flex:0 0 40px;box-shadow:var(--shadow-sm);
}
.logo-mark::before{
  content:"";position:absolute;left:10px;top:11px;width:18px;height:18px;
  border:2.5px solid rgba(255,255,255,.95);border-radius:50%;
  clip-path:polygon(0 0,100% 0,100% 55%,0 55%);
}
.logo-mark::after{
  content:"";position:absolute;left:10px;bottom:10px;width:18px;height:2.5px;border-radius:3px;
  background:rgba(255,255,255,.75);
}
.nav-menu{display:flex;align-items:center;gap:8px;}
.nav-menu a{
  display:block;padding:9px 16px;border-radius:var(--r-pill);font-size:15.5px;color:var(--ink-2);font-weight:500;
}
.nav-menu a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-menu a.active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;
  padding:12px 26px;cursor:pointer;transition:all .25s ease;line-height:1.2;
}
.btn-primary-grad{
  background:var(--grad-main);color:#fff;box-shadow:0 8px 22px rgba(91,43,224,.28);
}
.btn-primary-grad:hover{color:#fff;filter:brightness(1.07);box-shadow:0 14px 30px rgba(91,43,224,.36);transform:translateY(-2px);}
.btn-ghost{
  background:#fff;color:var(--brand);
  box-shadow:inset 0 0 0 2px transparent,0 0 0 1.5px var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-light{
  background:rgba(255,255,255,.16);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6);
}
.btn-light:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;background:var(--brand-soft);
  border:none;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:12px;width:20px;height:2px;border-radius:2px;background:var(--brand);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-7px;left:0;}
.nav-toggle span::after{top:7px;left:0;}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;z-index:1050;
  transform:translateX(102%);transition:transform .3s ease;display:flex;flex-direction:column;
  padding:24px;box-shadow:var(--shadow-lg);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);border:none;background:var(--bg-alt);
  color:var(--ink);font-size:20px;line-height:1;
}
.drawer nav{display:flex;flex-direction:column;gap:8px;}
.drawer nav a{
  font-size:17px;color:var(--ink);padding:12px 8px;border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--brand);}
.drawer .btn{margin-top:auto;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,23,48,.45);opacity:0;pointer-events:none;
  transition:opacity .3s ease;z-index:1040;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}

/* ============ Hero ============ */
.hero-wrap{
  position:relative;background:var(--grad-main);color:#fff;overflow:hidden;
  padding:88px 0 96px;
}
.hero-wrap::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px),
    radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:26px 26px,26px 26px;background-position:0 0,13px 13px;
  opacity:.5;pointer-events:none;
}
.hero-bg-img{
  position:absolute;right:-4%;bottom:-12%;width:58%;max-width:760px;opacity:.22;
  border-radius:28px;pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);font-size:13.5px;letter-spacing:.4px;margin-bottom:22px;color:#fff;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-wrap h1{color:#fff;font-size:50px;margin-bottom:20px;}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.9);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);font-size:13.5px;color:rgba(255,255,255,.92);
}
.stat-pill b{color:var(--accent);font-size:16px;font-variant-numeric:tabular-nums;}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow-lg);color:var(--ink-2);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--ink);margin-bottom:8px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;font-size:15px;color:var(--ink);font-family:inherit;transition:all .2s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);
}
.check-line{display:flex;gap:10px;align-items:flex-start;margin:16px 0 18px;font-size:12.5px;color:var(--ink-3);line-height:1.7;}
.check-line input{width:16px;height:16px;margin-top:3px;flex:0 0 16px;accent-color:var(--brand);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section.alt{background:var(--bg-alt);}
.section.white{background:#fff;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;
}
.section-head p{font-size:16px;color:var(--ink-2);max-width:640px;margin:14px 0 0;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;white-space:nowrap;}
.link-more span{transition:transform .25s ease;}
.link-more:hover span{transform:translateX(4px);}

/* 痛点卡 */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-card{
  background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-sm);
  display:flex;gap:20px;transition:all .25s ease;
}
.pain-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);}
.pain-index{
  flex:0 0 40px;width:40px;height:40px;border-radius:14px;background:var(--grad-main);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.pain-card h3{font-size:19px;margin-bottom:8px;}
.pain-card p{margin:0;font-size:15.5px;color:var(--ink-2);}

/* 方案卡（错位） */
.solve-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.solve-grid .wide{grid-column:span 2;}
.solve-card{
  position:relative;background:#fff;border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow-sm);
  display:flex;gap:20px;transition:all .25s ease;
}
.solve-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);}
.solve-icon{
  flex:0 0 56px;width:56px;height:56px;border-radius:18px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--brand);
}
.solve-card h3{margin-bottom:10px;}
.solve-card p{font-size:15.5px;margin-bottom:12px;}
.badge-data{
  background:linear-gradient(135deg,#F0EBFF 0%,#E4FBF3 100%);color:var(--brand);
  border-radius:var(--r-pill);padding:5px 14px;font-size:12.5px;font-weight:600;white-space:nowrap;
}
.solve-card .badge-data{position:absolute;top:24px;right:24px;}

/* 数据区 */
.metric-band{
  position:relative;border-radius:30px;background:var(--grad-main);overflow:hidden;padding:64px 48px;color:#fff;
}
.metric-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;pointer-events:none;
}
.metric-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.metric-item .metric-num{
  font-size:50px;font-weight:700;line-height:1.05;color:#fff;font-variant-numeric:tabular-nums;
}
.metric-item .metric-num em{font-style:normal;font-size:22px;margin-left:4px;color:var(--accent);}
.metric-item .metric-label{font-size:14.5px;color:rgba(255,255,255,.86);margin-top:10px;line-height:1.7;}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cat-card{
  display:block;background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:all .25s ease;color:inherit;
}
.cat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);color:inherit;}
.cat-media{position:relative;height:168px;overflow:hidden;background:var(--grad-main);}
.cat-media img{width:100%;height:100%;border-radius:0;opacity:.95;}
.cat-badge{
  position:absolute;left:14px;top:14px;background:rgba(26,23,48,.72);color:#fff;
  font-size:12.5px;padding:5px 13px;border-radius:var(--r-pill);backdrop-filter:blur(4px);
}
.cat-body{padding:24px;}
.cat-body h3{font-size:20px;margin-bottom:10px;}
.cat-body p{font-size:15px;margin-bottom:14px;color:var(--ink-2);}

/* 资讯列表 */
.news-layout{display:grid;gap:24px;}
.news-lead{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:0;
  background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:all .25s ease;color:inherit;
}
.news-lead:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);color:inherit;}
.news-lead-media{position:relative;min-height:280px;background:var(--grad-main);}
.news-lead-media img{width:100%;height:100%;border-radius:0;position:absolute;inset:0;}
.news-lead-body{padding:36px;display:flex;flex-direction:column;justify-content:center;}
.news-lead-body h3{font-size:24px;margin:14px 0 12px;}
.news-lead-body p{font-size:15.5px;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:all .25s ease;color:inherit;
}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);color:inherit;}
.news-card-media{position:relative;height:150px;background:var(--grad-main);}
.news-card-media img{width:100%;height:100%;border-radius:0;position:absolute;inset:0;}
.news-card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-card-body h3{
  font-size:16.5px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-body p{
  font-size:14px;color:var(--ink-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto;
}
.news-meta i{width:3px;height:3px;border-radius:50%;background:var(--ink-3);display:inline-block;}
.empty-state{
  background:linear-gradient(135deg,var(--brand-soft) 0%,#E7FBF4 100%);
  border-radius:var(--r-card);padding:56px 32px;text-align:center;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;background:#fff;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:26px;
  box-shadow:var(--shadow-sm);
}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:20px;}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{
  background:transparent;border:none;border-top:1px solid var(--line);position:relative;
}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-item::before{
  content:"";position:absolute;left:0;top:14px;width:3px;height:0;border-radius:3px;
  background:var(--grad-main);transition:height .3s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{height:26px;}
.accordion-button{
  background:transparent;box-shadow:none;padding:22px 48px 22px 20px;font-size:17px;font-weight:600;
  color:var(--ink);position:relative;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button::after{
  display:none;
}
.accordion-button .faq-sign{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);width:26px;height:26px;
  border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:16px;
  display:flex;align-items:center;justify-content:center;transition:transform .3s ease;
}
.accordion-button:not(.collapsed) .faq-sign{transform:translateY(-50%) rotate(45deg);}
.accordion-body{padding:0 48px 24px 20px;font-size:15.5px;color:var(--ink-2);}

/* CTA 区 */
.cta-band{
  background:linear-gradient(135deg,#F3EEFF 0%,#E9FCF5 100%);
  border-radius:30px;padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
  box-shadow:var(--shadow-sm);
}
.cta-band h2{font-size:32px;}
.cta-list{margin-top:24px;display:grid;gap:14px;}
.cta-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-2);}
.cta-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--grad-accent);margin-top:11px;
}
.cta-form{
  background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-md);
}

/* 页脚 */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;border-radius:28px 28px 0 0;
  margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.site-footer a{color:rgba(255,255,255,.72);font-size:14.5px;display:inline-block;padding:5px 0;}
.site-footer a:hover{color:#fff;transform:translateX(2px);}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{font-size:13.5px;color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}

/* 弹层 */
.modal-content{border:none;border-radius:var(--r-card);overflow:hidden;position:relative;box-shadow:var(--shadow-lg);}
.modal-content::before{content:"";position:absolute;left:0;top:0;height:6px;width:100%;background:var(--grad-main);}
.modal-header{border:none;padding:30px 32px 8px;}
.modal-title{font-size:22px;font-weight:700;color:var(--ink);}
.modal-body{padding:8px 32px 32px;}
.modal .btn-close{
  width:38px;height:38px;border-radius:var(--r-pill);background:var(--bg-alt);
  opacity:1;background-image:none;position:relative;margin:0;
}
.modal .btn-close::after{
  content:"×";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:22px;line-height:1;
}
.modal-dialog{max-width:560px;}
@media (max-width:576px){.modal-dialog{max-width:92vw;margin:12px auto;}}

/* 移动端底部条 */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1020;background:#fff;
  border-top:1px solid var(--line);padding:10px 16px;gap:12px;align-items:center;
  box-shadow:0 -6px 20px rgba(45,25,110,.08);
}
.mobile-bar .btn{flex:1;padding:12px 16px;font-size:15px;}
.mobile-bar .bar-ghost{
  flex:0 0 auto;width:48px;height:44px;border-radius:var(--r-pill);background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:18px;
}

/* 响应式 */
@media (max-width:1199px){
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  h1{font-size:34px;}
  .hero-wrap h1{font-size:34px;}
  h2{font-size:26px;}
  .nav-menu,.nav-actions .btn{display:none;}
  .nav-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-bg-img{display:none;}
  .solve-grid{grid-template-columns:1fr;}
  .solve-grid .wide{grid-column:span 1;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cat-grid{grid-template-columns:1fr;}
  .news-lead{grid-template-columns:1fr;}
  .news-lead-media{min-height:220px;}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .metric-band{padding:44px 28px;}
}
@media (max-width:767px){
  body{padding-bottom:74px;}
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .mobile-bar{display:flex;}
  .hero-wrap{padding:64px 0 72px;}
  .metric-item .metric-num{font-size:40px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px;}
  .cta-form{padding:24px;}
  .form-card{padding:24px;}
  .news-lead-body{padding:24px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:20px;}
  h1,.hero-wrap h1{font-size:29px;}
  h2{font-size:23px;}
  body{font-size:15.5px;line-height:1.8;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#5B2BE0;
  --brand-deep:#4520B8;
  --brand-soft:#F0EBFF;
  --grad-main:linear-gradient(115deg,#5B2BE0 0%,#B44BFF 100%);
  --grad-accent:linear-gradient(135deg,#21D4A0 0%,#37C6FF 100%);
  --accent:#21D4A0;
  --warn:#FF7A45;
  --bg:#F6F5FB;
  --bg-alt:#EFEDFA;
  --card:#FFFFFF;
  --ink:#1A1730;
  --ink-2:#56526E;
  --ink-3:#8B87A0;
  --line:#E7E4F2;
  --shadow-sm:0 2px 8px rgba(45,25,110,.06);
  --shadow-md:0 10px 28px rgba(70,35,180,.10);
  --shadow-lg:0 18px 44px rgba(70,35,180,.16);
  --r-card:24px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:14px;
}
*{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","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,background-color .25s ease,transform .25s ease;}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
::selection{background:var(--brand-soft);color:var(--brand-deep);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  white-space:nowrap;
}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:36px;height:36px;
  border-radius:12px;
  background:var(--grad-main);
  position:relative;
  flex:0 0 auto;
  box-shadow:var(--shadow-sm);
}
.logo-mark::before{
  content:"";
  position:absolute;
  inset:9px 9px 15px 9px;
  border:2.5px solid rgba(255,255,255,.9);
  border-bottom:none;
  border-radius:14px 14px 0 0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  left:9px;right:9px;bottom:11px;
  height:2.5px;
  border-radius:2px;
  background:var(--accent);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 auto;
}
.nav-menu a{
  position:relative;
  padding:10px 14px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  color:var(--ink-2);
  transition:color .25s ease,background-color .25s ease,transform .25s ease;
}
.nav-menu a:hover{color:var(--brand);transform:translateX(1px);background:var(--brand-soft);}
.nav-menu a.active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:22px;height:3px;
  border-radius:3px;
  transform:translateX(-50%);
  background:var(--grad-main);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  padding:0;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:var(--ink);}
.nav-toggle:hover{border-color:var(--brand);}
.mobile-drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(86vw,360px);
  background:#fff;
  z-index:1050;
  transform:translateX(102%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  box-shadow:var(--shadow-lg);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:50%;
  border:none;background:var(--brand-soft);color:var(--brand);
  font-size:22px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:var(--brand);color:#fff;}
.drawer-links{display:flex;flex-direction:column;gap:16px;padding:24px 0;flex:1;}
.drawer-links a{
  font-size:17px;color:var(--ink);padding:10px 12px;border-radius:14px;
}
.drawer-links a:hover,.drawer-links a.active{background:var(--brand-soft);color:var(--brand);}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,23,48,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease;z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  font-weight:600;
  padding:12px 26px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease;
}
.btn-primary{
  background:var(--grad-main);
  color:#fff;
  box-shadow:var(--shadow-md);
}
.btn-primary:hover,.btn-primary:active{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-lg);
  filter:brightness(1.06);
}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  box-shadow:0 0 0 1.5px var(--brand) inset,0 0 0 3px rgba(255,255,255,.9) inset;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:15px;color:var(--brand);
}
.link-arrow i{font-style:normal;transition:transform .25s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 文章首屏 ============ */
.article-hero{padding:32px 0 8px;}
.breadcrumb-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 18px;
  font-size:13.5px;
  color:var(--ink-3);
  box-shadow:var(--shadow-sm);
}
.breadcrumb-pill a{color:var(--ink-3);}
.breadcrumb-pill a:hover{color:var(--brand);}
.breadcrumb-pill span.sep{color:#C9C4DE;}
.article-head{margin-top:24px;max-width:900px;}
.cat-pill{
  display:inline-block;
  background:var(--grad-main);
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:6px 16px;
  border-radius:var(--r-pill);
  letter-spacing:.4px;
}
.article-title{
  font-size:42px;
  line-height:1.24;
  margin-top:18px;
  color:var(--ink);
}
.meta-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px 14px;
  align-items:center;
  margin-top:18px;
  font-size:13.5px;
  color:var(--ink-3);
}
.meta-bar em{font-style:normal;color:#D6D2E6;}
.cover-wrap{
  margin:32px 0 0;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--shadow-md);
  background:var(--grad-main);
  position:relative;
}
.cover-img{
  width:100%;
  height:clamp(220px,38vw,420px);
  object-fit:cover;
}

/* ============ 正文布局 ============ */
.article-main{padding:56px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-body{max-width:760px;min-width:0;}
.article-content{font-size:16.5px;line-height:1.9;color:var(--ink-2);}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;
  font-size:28px;
  line-height:1.35;
  margin:2em 0 .8em;
  padding-left:16px;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:4px;height:22px;
  border-radius:3px;
  background:var(--grad-main);
}
.article-content h3{font-size:20px;margin:1.6em 0 .6em;color:var(--ink);}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand-deep);transform:translateX(1px);}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:6px;}
.article-content ul li,.article-content ol li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-content ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--grad-main);
}
.article-content ol{counter-reset:item;}
.article-content ol li{counter-increment:item;}
.article-content ol li::before{
  content:counter(item);
  position:absolute;left:0;top:.1em;
  width:18px;height:18px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;line-height:18px;text-align:center;
}
.article-content blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--brand-soft);
  border-left:4px solid var(--brand);
  border-radius:var(--r-img);
  color:var(--ink-2);
}
.article-content img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:var(--shadow-sm);}
.article-content figure{margin:1.6em 0;}
.article-content figcaption{text-align:center;font-size:13.5px;color:var(--ink-3);margin-top:10px;}
.article-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-content th,.article-content td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-content th{background:var(--bg-alt);color:var(--ink);font-weight:600;}
.article-content tbody tr:nth-child(even){background:#FBFAFE;}
.article-empty{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:48px 32px;
  text-align:center;
  box-shadow:var(--shadow-sm);
}
.article-empty h2{font-size:24px;margin-bottom:12px;}
.article-empty p{max-width:520px;margin:0 auto 24px;}

.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-sm);
}
.aside-card h3{font-size:16px;margin-bottom:14px;}
.aside-list li+li{margin-top:10px;}
.aside-list a{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-2);}
.aside-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-accent);flex:0 0 auto;}
.aside-list a:hover{color:var(--brand);}
.aside-cta{
  background:var(--grad-main);
  border-radius:var(--r-card);
  padding:24px;
  color:#fff;
  box-shadow:var(--shadow-md);
}
.aside-cta h3{color:#fff;font-size:17px;margin-bottom:10px;}
.aside-cta p{color:rgba(255,255,255,.86);font-size:14.5px;margin-bottom:18px;}
.aside-cta .btn{width:100%;background:#fff;color:var(--brand-deep);}
.aside-cta .btn:hover{background:#fff;color:var(--brand-deep);}

/* ============ 标签 ============ */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;}
.tag-pill{
  display:inline-block;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:14px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  transition:all .25s ease;
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* ============ 通用板块标题 ============ */
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:36px;
}
.section-title{
  position:relative;
  font-size:32px;
  line-height:1.3;
  padding-left:18px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.2em;
  width:4px;height:22px;
  border-radius:3px;
  background:var(--grad-main);
}
.section-sub{margin-top:10px;font-size:15.5px;color:var(--ink-3);}

/* ============ 上下篇 ============ */
.pager-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pager-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pager-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.pager-label{font-size:13px;color:var(--ink-3);letter-spacing:.3px;}
.pager-card h3{font-size:19px;margin:10px 0 8px;transition:color .25s ease;}
.pager-card:hover h3{color:var(--brand);}
.pager-card p{font-size:15px;color:var(--ink-2);}

/* ============ 相关推荐卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.card-cover{position:relative;overflow:hidden;}
.card-cover img{width:100%;height:200px;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .card-cover img{transform:scale(1.04);}
.badge-cat{
  position:absolute;left:14px;top:14px;
  background:rgba(26,23,48,.72);
  color:#fff;
  font-size:12.5px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  backdrop-filter:blur(3px);
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:18px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .25s ease;
}
.news-card:hover .card-title{color:var(--brand);}
.card-desc{
  font-size:14.5px;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:auto;
  display:flex;
  gap:12px;
  font-size:13px;
  color:var(--ink-3);
}

/* ============ CTA 表单 ============ */
.cta-wrap{
  border-radius:28px;
  padding:56px;
  background:linear-gradient(150deg,#F2EDFF 0%,#EAF9F6 100%);
  box-shadow:var(--shadow-sm);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-wrap h2{font-size:30px;line-height:1.35;}
.cta-wrap .lead{margin-top:16px;font-size:16px;color:var(--ink-2);}
.value-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.value-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);}
.value-list li::before{
  content:"";
  flex:0 0 auto;
  width:18px;height:18px;margin-top:5px;
  border-radius:6px;
  background:var(--grad-accent);
}
.form-card{
  background:#fff;
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-md);
}
.form-label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:6px;font-weight:600;}
.form-control,.form-select{
  width:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:12px 14px;
  color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-control:focus,.form-select:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-soft);
}
.form-group{margin-bottom:16px;}
.form-check{display:flex;gap:10px;align-items:flex-start;margin:14px 0 4px;}
.form-check input{margin-top:5px;accent-color:var(--brand);width:16px;height:16px;}
.form-check label{font-size:13px;color:var(--ink-3);line-height:1.7;}
.privacy-note{font-size:12.5px;color:var(--ink-3);margin-top:10px;}

/* ============ FAQ 手风琴（内页通用） ============ */
.accordion-item{border:none;border-top:1px solid var(--line);background:transparent;}
.accordion-button{
  background:transparent;
  box-shadow:none;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  padding:20px 4px;
  gap:12px;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;}
.accordion-button::after{
  display:none;
}
.accordion-button::before{
  content:"+";
  font-size:20px;
  color:var(--brand);
  margin-left:auto;
  order:2;
}
.accordion-button:not(.collapsed)::before{content:"−";}
.accordion-body{padding:0 4px 22px;font-size:15.5px;color:var(--ink-2);}

/* ============ 页脚 ============ */
.site-footer{
  background:#17142B;
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  border-radius:28px 28px 0 0;
  margin-top:0;
}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:#fff;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .logo{color:#fff;font-size:19px;margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.site-footer ul li+li{margin-top:12px;}
.site-footer ul a{font-size:14.5px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* ============ 弹层 ============ */
.modal-content{
  border:none;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  width:560px;
  max-width:92vw;
  margin:0 auto;
}
.modal-grad-bar{height:6px;background:var(--grad-main);}
.modal-header{border:none;padding:24px 28px 0;}
.modal-title{font-size:20px;font-weight:700;color:var(--ink);}
.modal-body{padding:16px 28px 28px;}
.modal .btn-close{
  width:38px;height:38px;border-radius:50%;
  background:var(--brand-soft) none;
  opacity:1;position:relative;margin:0;
}
.modal .btn-close:hover{background:var(--brand);}
.modal .btn-close:hover::before,
.modal .btn-close:hover::after{background:#fff;}
.btn-close::before,.btn-close::after{
  content:"";position:absolute;left:50%;top:50%;
  width:15px;height:2px;border-radius:2px;background:var(--brand);
}
.btn-close::before{transform:translate(-50%,-50%) rotate(45deg);}
.btn-close::after{transform:translate(-50%,-50%) rotate(-45deg);}
.modal-backdrop.show{opacity:.5;}

/* ============ 移动端咨询条 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1020;
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--line);
  padding:10px 16px;
  gap:12px;
  align-items:center;
  backdrop-filter:blur(6px);
}
.mobile-bar .btn{flex:1;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:32px;}
}
@media (max-width:992px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-body{max-width:100%;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .aside-card,.aside-cta{flex:1 1 260px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .cta-wrap{padding:36px;}
}
@media (max-width:768px){
  body{padding-bottom:72px;}
  .mobile-bar{display:flex;}
  .article-title{font-size:30px;}
  .section-title{font-size:24px;}
  .article-content{font-size:15.5px;line-height:1.8;}
  .article-content h2{font-size:23px;}
  .pager-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .article-aside{flex-direction:column;}
  .cover-img{height:200px;}
  .section{padding:56px 0;}
  .cta-wrap{padding:26px;border-radius:24px;}
  .form-card{padding:22px;}
}
@media (max-width:520px){
  .article-title{font-size:27px;}
  .breadcrumb-pill{font-size:12.5px;padding:7px 14px;}
  .cta-wrap h2,.section-title{font-size:22px;}
  .header-inner{height:64px;}
  .logo{font-size:17px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;}
  .btn{padding:11px 20px;font-size:15px;}
}

/* roulang page: category1 */
:root{
  --brand:#5B2BE0;
  --brand-deep:#4520B8;
  --brand-soft:#F0EBFF;
  --grad-main:linear-gradient(115deg,#5B2BE0 0%,#B44BFF 100%);
  --grad-accent:linear-gradient(135deg,#21D4A0 0%,#37C6FF 100%);
  --accent:#21D4A0;
  --warn:#FF7A45;
  --bg:#F6F5FB;
  --bg-alt:#EFEDFA;
  --card:#FFFFFF;
  --ink:#1A1730;
  --ink-2:#56526E;
  --ink-3:#8B87A0;
  --line:#E7E4F2;
  --shadow-sm:0 2px 8px rgba(45,25,110,.06);
  --shadow-md:0 10px 28px rgba(70,35,180,.10);
  --shadow-lg:0 18px 44px rgba(70,35,180,.16);
  --r-card:24px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:14px;
}
*,*::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","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{color:var(--ink);font-weight:700;margin:0;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}
body .container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
[id]{scroll-margin-top:104px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:12px;font-size:19px;font-weight:700;color:var(--ink);line-height:1;letter-spacing:.2px;}
.logo:hover{color:var(--ink);}
.logo-mark{
  position:relative;width:38px;height:38px;flex:none;border-radius:12px;
  background:var(--grad-main);box-shadow:0 6px 16px rgba(91,43,224,.28);
}
.logo-mark::before{
  content:"";position:absolute;left:9px;top:9px;right:9px;bottom:9px;
  border:2px solid rgba(255,255,255,.92);border-radius:50%;
  border-right-color:transparent;border-bottom-color:transparent;transform:rotate(45deg);
}
.logo-mark::after{
  content:"";position:absolute;right:7px;bottom:7px;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 3px rgba(255,255,255,.35);
}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-menu a:hover{color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}
.nav-menu a.active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;}
.drawer-cta{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:none;border-radius:14px;background:var(--brand-soft);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand);transition:transform .25s ease,opacity .25s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,filter .25s ease;
}
.btn-brand{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(91,43,224,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,43,224,.34);filter:brightness(1.06);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--brand);
  box-shadow:0 0 0 1px rgba(91,43,224,.35),0 6px 18px rgba(70,35,180,.10);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--brand);}
.link-arrow .arw{transition:transform .25s ease;}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:28px 0 0;}
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:#fff;border-radius:var(--r-pill);padding:9px 20px;
  font-size:13.5px;color:var(--ink-3);box-shadow:var(--shadow-sm);
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C4DC;}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- 横幅 ---------- */
.page-banner{padding:28px 0 0;}
.banner-card{
  position:relative;display:flex;align-items:flex-end;min-height:330px;
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.banner-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(69,32,184,.94) 0%,rgba(140,60,235,.80) 55%,rgba(180,75,255,.62) 100%);
}
.banner-content{position:relative;z-index:2;padding:52px 48px 46px;max-width:840px;}
.badge-cat{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(26,23,48,.52);color:#fff;font-size:13px;font-weight:600;letter-spacing:.4px;
}
.banner-content h1{
  color:#fff;font-size:clamp(28px,4.2vw,46px);line-height:1.22;font-weight:700;
  margin:18px 0 14px;
}
.banner-lead{color:rgba(255,255,255,.92);font-size:16.5px;line-height:1.8;margin:0;max-width:720px;}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-head{margin-bottom:32px;}
.section-title{position:relative;padding-left:18px;font-size:clamp(23px,3vw,34px);line-height:1.28;}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-main);
}
.section-sub{margin:12px 0 0;font-size:15.5px;color:var(--ink-2);}
.block-title{position:relative;padding-left:16px;font-size:22px;line-height:1.4;margin-bottom:20px;}
.block-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--grad-main);
}

/* ---------- 侧栏锚点 ---------- */
.side-anchor{
  position:sticky;top:96px;background:#fff;border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
}
.side-anchor h2{font-size:17px;margin-bottom:16px;}
.anchor-list li+li{margin-top:8px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;padding:11px 16px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--ink-2);background:var(--bg);
}
.anchor-list a:hover{background:var(--brand-soft);color:var(--brand);transform:translateX(2px);}
.anchor-list .dot{width:6px;height:6px;border-radius:50%;background:var(--grad-main);flex:none;}
.side-note{
  margin-top:20px;padding:18px;border-radius:var(--r-img);background:var(--brand-soft);
  font-size:13.5px;line-height:1.75;color:var(--brand-deep);
}

/* ---------- 卡片 ---------- */
.news-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--card);border-radius:var(--r-card);box-shadow:var(--shadow-sm);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.thumb-badge{
  position:absolute;left:14px;top:14px;z-index:2;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(26,23,48,.62);color:#fff;font-size:12.5px;font-weight:600;
}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:19px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .25s ease;
}
.news-card:hover .news-body h3{color:var(--brand);}
.news-body p{
  font-size:14.5px;line-height:1.78;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-3);
}
.news-meta .divider{width:1px;height:12px;background:var(--line);}
.tag-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
}
.tag-accent{background:rgba(33,212,160,.14);color:#0E9E77;}
.tag-warn{background:rgba(255,122,69,.14);color:#D8562A;}

/* ---------- 数据带 ---------- */
.metric-strip{
  position:relative;overflow:hidden;border-radius:28px;background:var(--grad-main);
  padding:38px 32px;box-shadow:var(--shadow-lg);margin:8px 0 0;
}
.metric-strip::before{
  content:"";position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.metric-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric-item{border-radius:18px;background:rgba(255,255,255,.14);padding:22px 16px;text-align:center;}
.metric-num{
  display:block;font-size:40px;font-weight:800;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.metric-num em{font-style:normal;font-size:15px;font-weight:600;margin-left:3px;}
.metric-label{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.9);}
.rhythm-text{font-size:16px;line-height:1.9;margin-bottom:26px;}

/* ---------- 内链卡片 ---------- */
.next-link-card{
  display:flex;align-items:center;gap:20px;background:#fff;border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.next-link-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.next-link-card .pic{width:96px;height:96px;border-radius:var(--r-img);overflow:hidden;flex:none;background:var(--brand-soft);}
.next-link-card .pic img{width:100%;height:100%;object-fit:cover;}
.next-link-card h3{font-size:18px;margin-bottom:8px;}
.next-link-card p{font-size:14px;line-height:1.75;margin:0 0 10px;color:var(--ink-2);}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  background:linear-gradient(135deg,#F0EBFF 0%,#F8F5FF 55%,#E9FBF5 100%);
  border-radius:32px;padding:56px;box-shadow:var(--shadow-sm);
}
.cta-panel h2{position:relative;padding-left:18px;font-size:clamp(23px,3vw,32px);line-height:1.3;margin-bottom:16px;}
.cta-panel h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--grad-main);}
.cta-panel .lead{font-size:15.5px;line-height:1.9;}
.cta-points{margin:24px 0 0;}
.cta-points li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.8;margin-bottom:10px;color:var(--ink-2);}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--grad-accent);
}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-md);}
.form-label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.form-control,.form-select{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:13px 16px;font-size:15px;color:var(--ink);line-height:1.5;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-control::placeholder{color:#A9A4BE;}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);
}
.form-check{display:flex;gap:10px;align-items:flex-start;margin:16px 0 0;}
.form-check-input{width:18px;height:18px;margin-top:4px;flex:none;border-radius:6px;border:1px solid var(--line);}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 3px var(--brand-soft);border-color:var(--brand);}
.form-note{font-size:12.5px;line-height:1.7;color:var(--ink-3);margin:0;}
.form-note a{color:var(--brand);text-decoration:underline;}

/* ---------- 弹层 ---------- */
.modal-dialog{max-width:560px;}
.modal-content{border:none;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);}
.modal-content::before{content:"";display:block;height:6px;background:var(--grad-main);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 28px 16px;}
.modal-title{font-size:19px;font-weight:700;}
.modal-body{padding:24px 28px 28px;}
.modal .btn-close{
  width:36px;height:36px;border-radius:50%;background-color:var(--brand-soft);
  opacity:1;background-size:11px;transition:background-color .25s ease;
}
.modal .btn-close:hover{background-color:#E2D8FF;}
.modal-backdrop.show{opacity:.55;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#141127;color:#C6C2DC;border-radius:28px 28px 0 0;
  margin-top:88px;padding:72px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.site-footer .logo{color:#fff;font-size:18px;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-mark{box-shadow:none;}
.footer-brand p{font-size:14px;line-height:1.8;color:#9C97B8;margin-top:16px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.site-footer li+li{margin-top:10px;}
.site-footer li a{color:#C6C2DC;font-size:14px;}
.site-footer li a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B87A0;
}
.footer-bottom a{color:#8B87A0;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 移动底栏 ---------- */
.mobile-bar{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .section{padding:80px 0;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;top:72px;right:0;bottom:0;width:min(86vw,340px);
    background:#fff;flex-direction:column;align-items:stretch;gap:8px;
    padding:24px 24px 32px;transform:translateX(105%);
    transition:transform .3s ease;box-shadow:var(--shadow-lg);overflow-y:auto;
  }
  body.nav-open .nav-menu{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-menu a{height:52px;font-size:17px;padding:0 18px;border-radius:16px;background:var(--bg);}
  .header-actions .btn-brand{display:none;}
  .drawer-cta{display:inline-flex;margin-top:24px;width:100%;}
  .side-anchor{position:static;margin-bottom:32px;}
  .cta-panel{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{padding-bottom:84px;}
  body .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .crumb-wrap{padding:20px 0 0;}
  .banner-card{min-height:280px;}
  .banner-content{padding:32px 24px 30px;}
  .banner-lead{font-size:15.5px;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .metric-strip{padding:28px 20px;border-radius:24px;}
  .metric-num{font-size:32px;}
  .cta-panel{padding:32px 24px;border-radius:24px;}
  .form-card{padding:22px;}
  .next-link-card{flex-direction:row;align-items:flex-start;}
  .next-link-card .pic{width:76px;height:76px;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .news-card:hover{transform:none;}
  .next-link-card:hover{transform:none;}
  .mobile-bar{
    display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:1040;gap:10px;
    background:rgba(255,255,255,.97);backdrop-filter:blur(8px);
    padding:10px;border-radius:var(--r-pill);box-shadow:var(--shadow-lg);
  }
  .mobile-bar .btn{flex:1;padding:13px 14px;font-size:14.5px;}
}
@media (max-width:575.98px){
  .modal-dialog{max-width:92vw;margin-left:auto;margin-right:auto;}
  .header-inner{gap:12px;}
  .logo{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --brand:#5B2BE0; --brand-deep:#4520B8; --brand-soft:#F0EBFF;
  --grad-main:linear-gradient(115deg,#5B2BE0 0%,#B44BFF 100%);
  --grad-accent:linear-gradient(135deg,#21D4A0 0%,#37C6FF 100%);
  --accent:#21D4A0; --warn:#FF7A45;
  --bg:#F6F5FB; --bg-alt:#EFEDFA; --card:#FFFFFF;
  --ink:#1A1730; --ink-2:#56526E; --ink-3:#8B87A0; --line:#E7E4F2;
  --shadow-sm:0 2px 8px rgba(45,25,110,.06);
  --shadow-md:0 10px 28px rgba(70,35,180,.10);
  --shadow-lg:0 18px 44px rgba(70,35,180,.16);
  --r-card:24px; --r-img:18px; --r-pill:999px; --r-input:14px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,transform .25s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:96px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:#fff;}
.sec-head{margin-bottom:48px;max-width:780px;}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;font-weight:600;letter-spacing:.5px;}
h2.sec-title{font-size:34px;line-height:1.25;position:relative;padding-left:16px;margin-bottom:16px;}
h2.sec-title::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:4px;background:var(--grad-main);}
.sec-desc{font-size:16px;color:var(--ink-2);margin:0;}
h3{font-size:21px;line-height:1.45;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;padding:13px 28px;border-radius:var(--r-pill);
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;white-space:nowrap;}
.btn-grad{background:var(--grad-main);color:#fff;box-shadow:0 8px 22px rgba(91,43,224,.28);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(91,43,224,.36);filter:brightness(1.06);}
.btn-grad:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);box-shadow:inset 0 0 0 1.5px rgba(91,43,224,.55),0 4px 14px rgba(45,25,110,.07);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow span{transition:transform .25s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge-data{display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);}
.badge-cat{position:absolute;top:14px;left:14px;background:rgba(26,23,48,.72);color:#fff;font-size:12.5px;
  padding:5px 12px;border-radius:var(--r-pill);backdrop-filter:blur(4px);}
.badge-state{display:inline-flex;align-items:center;gap:6px;background:rgba(33,212,160,.14);color:#0E8A68;
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-main);position:relative;flex:none;box-shadow:0 6px 16px rgba(91,43,224,.28);}
.logo-mark::before{content:"";position:absolute;left:8px;top:8px;width:18px;height:18px;border-radius:50%;border:2.5px solid rgba(255,255,255,.9);border-right-color:transparent;border-bottom-color:transparent;transform:rotate(45deg);}
.logo-mark::after{content:"";position:absolute;left:12px;top:12px;width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.92);}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{font-size:15px;font-weight:500;color:var(--ink-2);padding:9px 16px;border-radius:var(--r-pill);transition:color .25s ease,background .25s ease,transform .25s ease;}
.nav-menu a:hover{color:var(--brand);background:var(--brand-soft);transform:translateX(1px);}
.nav-menu a.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;background:var(--brand-soft);border:none;position:relative;}
.nav-toggle span{position:absolute;left:12px;width:20px;height:2px;border-radius:2px;background:var(--brand-deep);transition:.25s ease;}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-drawer{position:fixed;top:0;right:0;width:min(86vw,360px);height:100%;background:#fff;z-index:1045;
  padding:88px 24px 32px;transform:translateX(102%);transition:transform .3s ease;box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;gap:16px;}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer a.drawer-link{font-size:17px;font-weight:600;color:var(--ink);padding:12px 4px;border-bottom:1px solid var(--line);}
.nav-drawer a.drawer-link.active{color:var(--brand);}
.nav-drawer .btn{margin-top:auto;}
.drawer-mask{position:fixed;inset:0;background:rgba(26,23,48,.42);z-index:1040;opacity:0;visibility:hidden;transition:.3s ease;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding-top:32px;}
.crumb{display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;background:var(--brand-soft);border-radius:var(--r-pill);
  padding:9px 18px;font-size:13.5px;color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);opacity:.7;}

/* ---------- 横幅 ---------- */
.page-banner{position:relative;border-radius:var(--r-card);overflow:hidden;min-height:320px;display:flex;align-items:flex-end;
  margin-top:24px;background:var(--grad-main);}
.page-banner .banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(69,32,184,.92) 0%,rgba(180,75,255,.72) 100%);}
.banner-inner{position:relative;z-index:2;padding:48px 44px;max-width:820px;}
.banner-inner h1{color:#fff;font-size:46px;line-height:1.2;margin-bottom:16px;}
.banner-inner p{color:rgba(255,255,255,.9);font-size:16.5px;margin:0;max-width:640px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.banner-tags span{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13px;
  padding:6px 14px;border-radius:var(--r-pill);}

/* ---------- 胶囊 Tab ---------- */
.tabs-bar{position:sticky;top:72px;z-index:1020;background:rgba(246,245,251,.94);backdrop-filter:blur(8px);padding:20px 0 8px;}
.pill-tabs{display:flex;gap:10px;overflow-x:auto;padding:6px 2px;scrollbar-width:none;}
.pill-tabs::-webkit-scrollbar{display:none;}
.pill-tabs a{flex:none;font-size:14.5px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  padding:9px 20px;border-radius:var(--r-pill);box-shadow:var(--shadow-sm);}
.pill-tabs a:hover{color:var(--brand);border-color:rgba(91,43,224,.35);transform:translateY(-2px);}
.pill-tabs a.is-active{background:var(--grad-main);color:#fff;border-color:transparent;}

/* ---------- 编号卡 ---------- */
.num-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.num-card{position:relative;overflow:hidden;background:var(--card);border-radius:var(--r-card);padding:32px 28px 40px;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;}
.num-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.num-badge{width:52px;height:52px;border-radius:16px;background:var(--grad-main);color:#fff;font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px rgba(91,43,224,.24);}
.num-card h3{margin-bottom:12px;}
.num-card p{font-size:15px;margin-bottom:18px;color:var(--ink-2);}
.num-card ul{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.num-card ul li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);}
.num-card ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--grad-accent);}
.num-card .link-arrow{margin-top:auto;}
.card-strip{position:absolute;left:0;right:0;bottom:0;height:8px;background:var(--grad-main);
  clip-path:polygon(0 62%,100% 0,100% 100%,0 100%);}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md);}
.split-media img{width:100%;height:400px;object-fit:cover;border-radius:var(--r-card);}
.split-media .float-stat{position:absolute;right:18px;bottom:18px;background:#fff;border-radius:18px;padding:16px 20px;
  box-shadow:var(--shadow-lg);min-width:150px;}
.split-media .float-stat strong{display:block;font-size:26px;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.split-media .float-stat span{font-size:13px;color:var(--ink-3);}
.split-body h2{font-size:32px;line-height:1.28;position:relative;padding-left:16px;margin-bottom:20px;}
.split-body h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:4px;background:var(--grad-main);}
.split-body p{font-size:16px;}
.check-list{display:flex;flex-direction:column;gap:14px;margin:24px 0 28px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
.check-list li i{flex:none;width:22px;height:22px;border-radius:8px;background:rgba(33,212,160,.16);color:#0E8A68;
  font-style:normal;font-size:13px;display:flex;align-items:center;justify-content:center;margin-top:4px;font-weight:700;}

/* ---------- 排行列表 ---------- */
.rank-list{display:flex;flex-direction:column;gap:16px;}
.rank-item{display:flex;gap:20px;align-items:center;background:var(--card);border-radius:20px;padding:20px 24px;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.rank-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.rank-no{width:44px;height:44px;flex:none;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);
  font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;}
.rank-item:first-child .rank-no{background:var(--grad-main);color:#fff;}
.rank-body{flex:1;min-width:0;}
.rank-body h3{font-size:18px;margin-bottom:6px;}
.rank-body p{font-size:14.5px;margin:0;color:var(--ink-2);}
.rank-tag{flex:none;font-size:13px;color:var(--ink-3);}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--grad-main);border-radius:28px;padding:44px 40px;position:relative;overflow:hidden;}
.stat-band::before{content:"";position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(circle at 18% 22%,#fff 0 2px,transparent 2px),radial-gradient(circle at 72% 68%,#fff 0 2px,transparent 2px);
  background-size:64px 64px;}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-grid .stat-num{font-size:42px;font-weight:700;line-height:1.15;background:linear-gradient(135deg,#FFFFFF 0%,#D8FBF0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.stat-grid .stat-num em{font-style:normal;font-size:20px;margin-left:4px;color:#D8FBF0;-webkit-text-fill-color:#D8FBF0;}
.stat-grid .stat-label{color:rgba(255,255,255,.85);font-size:14px;margin-top:8px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{background:transparent;border:none;border-top:1px solid var(--line);}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-button{background:transparent!important;box-shadow:none!important;color:var(--ink);font-size:17px;font-weight:600;
  padding:22px 44px 22px 18px;position:relative;border-radius:0!important;}
.accordion-button::after{display:none;}
.accordion-button .faq-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:17px;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease;}
.accordion-button:not(.collapsed){color:var(--brand-deep);}
.accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--grad-main);}
.accordion-button:not(.collapsed) .faq-icon{transform:translateY(-50%) rotate(180deg);background:var(--grad-main);color:#fff;}
.accordion-body{padding:0 44px 26px 18px;font-size:15.5px;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{background:linear-gradient(115deg,#F0EBFF 0%,#EAF7FF 100%);border-radius:32px;padding:56px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.cta-band h2{font-size:32px;line-height:1.3;margin-bottom:18px;}
.cta-band p{font-size:15.5px;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
.cta-points li i{flex:none;width:20px;height:20px;border-radius:50%;background:var(--grad-accent);color:#fff;font-style:normal;
  font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:5px;font-weight:700;}
.form-card{background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-md);}
.form-item{margin-bottom:18px;}
.form-item label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.form-item input,.form-item select,.form-item textarea{width:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-input);padding:12px 14px;font-size:15px;color:var(--ink);font-family:inherit;transition:.25s ease;}
.form-item textarea{min-height:96px;resize:vertical;}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-soft);}
.form-consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-3);margin:6px 0 18px;}
.form-consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand);}
.form-consent a{text-decoration:underline;}

/* ---------- 页脚 ---------- */
.site-footer{background:#1A1730;color:rgba(255,255,255,.72);padding:72px 0 28px;border-top-left-radius:28px;border-top-right-radius:28px;margin-top:16px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:18px;max-width:340px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.site-footer ul{display:flex;flex-direction:column;gap:12px;}
.site-footer ul a{color:rgba(255,255,255,.7);font-size:14.5px;}
.site-footer ul a:hover{color:#fff;transform:translateX(2px);display:inline-block;}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 移动端底部条 ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:1035;display:none;align-items:center;gap:12px;
  background:#fff;border-top:1px solid var(--line);padding:12px 16px;box-shadow:0 -8px 24px rgba(45,25,110,.10);}
.mobile-bar .btn{flex:1;}

/* ---------- 弹层 ---------- */
.modal-content{border:none;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-lg);}
.modal-content::before{content:"";display:block;height:6px;background:var(--grad-main);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px;}
.modal-title{font-size:20px;font-weight:700;color:var(--ink);}
.modal-body{padding:26px;}
.modal-body .btn-close{background:none;width:34px;height:34px;border-radius:50%;background:var(--brand-soft);opacity:1;
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--brand-deep);}
.modal-dialog{max-width:560px;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .banner-inner h1{font-size:40px;}
}
@media (max-width:991px){
  .nav-menu,.nav-actions .btn-grad{display:none;}
  .nav-toggle{display:block;}
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:32px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .num-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .tabs-bar{top:64px;}
}
@media (max-width:767px){
  body{padding-bottom:72px;}
  .mobile-bar{display:flex;}
  h2.sec-title{font-size:24px;}
  .split-body h2,.cta-band h2{font-size:24px;}
  .banner-inner{padding:32px 24px;}
  .banner-inner h1{font-size:30px;line-height:1.3;}
  .banner-inner p{font-size:15.5px;}
  .page-banner{min-height:280px;}
  .num-grid{grid-template-columns:1fr;}
  .rank-item{flex-wrap:wrap;gap:14px;}
  .stat-band{padding:32px 22px;}
  .stat-grid .stat-num{font-size:34px;}
  .section{padding:56px 0;}
  body{font-size:15.5px;line-height:1.8;}
  .footer-grid{grid-template-columns:1fr;}
  .form-card{padding:24px;}
}
@media (max-width:575px){
  .nav-inner{height:64px;}
  .logo{font-size:17px;}
  .banner-inner h1{font-size:27px;}
  .crumb{font-size:12.5px;padding:8px 14px;}
}

/* roulang page: category3 */
:root{
  --brand:#5B2BE0;
  --brand-deep:#4520B8;
  --brand-soft:#F0EBFF;
  --grad-main:linear-gradient(115deg,#5B2BE0 0%,#B44BFF 100%);
  --grad-accent:linear-gradient(135deg,#21D4A0 0%,#37C6FF 100%);
  --accent:#21D4A0;
  --warn:#FF7A45;
  --bg:#F6F5FB;
  --bg-alt:#EFEDFA;
  --card:#FFFFFF;
  --ink:#1A1730;
  --ink-2:#56526E;
  --ink-3:#8B87A0;
  --line:#E7E4F2;
  --shadow-sm:0 2px 8px rgba(45,25,110,.06);
  --shadow-md:0 10px 28px rgba(70,35,180,.10);
  --shadow-lg:0 18px 44px rgba(70,35,180,.16);
  --r-card:24px;
  --r-img:18px;
  --r-pill:999px;
  --r-input:14px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

/* ============ base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  padding-bottom:0;
  --bs-body-font-family:var(--font);
  --bs-body-color:var(--ink-2);
  --bs-body-bg:var(--bg);
  --bs-primary:var(--brand);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-deep);
  --bs-border-radius:var(--r-input);
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:700;margin:0;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}

.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
h2.section-title{
  font-size:34px;line-height:1.25;position:relative;padding-left:18px;margin-bottom:16px;
}
h2.section-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:4px;
  background:var(--grad-main);
}
.section-desc{font-size:16px;color:var(--ink-2);max-width:720px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ buttons ============ */
.btn-grad,.btn-ghost,.link-arrow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15.5px;font-weight:600;border-radius:var(--r-pill);
  padding:13px 28px;border:0;cursor:pointer;transition:all .25s ease;text-align:center;
}
.btn-grad{
  background:var(--grad-main);color:#fff;box-shadow:0 8px 22px rgba(91,43,224,.28);
}
.btn-grad:hover{color:#fff;filter:brightness(1.08);box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.btn-grad:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--brand);
  box-shadow:0 0 0 2px rgba(91,43,224,.18),0 0 0 1px rgba(91,43,224,.35) inset;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.link-arrow{
  padding:0;background:none;color:var(--brand);border-radius:0;font-size:15px;
}
.link-arrow span.arrow{display:inline-block;transition:transform .25s ease;}
.link-arrow:hover span.arrow{transform:translateX(4px);}
.btn-block{width:100%;}

/* ============ badges ============ */
.badge-data{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
}
.badge-cat{
  position:absolute;left:14px;top:14px;z-index:2;
  background:rgba(26,23,48,.72);color:#fff;font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:var(--r-pill);backdrop-filter:blur(4px);
}
.badge-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
}
.badge-status.ok{background:rgba(33,212,160,.14);color:#0E8C68;}
.badge-status.warn{background:rgba(255,122,69,.14);color:#C4501C;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1040;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-main);
  position:relative;flex:0 0 34px;box-shadow:0 6px 16px rgba(91,43,224,.32);
}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;border-radius:50%;border:2px solid rgba(255,255,255,.92);
}
.logo-mark::before{width:14px;height:14px;left:7px;top:7px;}
.logo-mark::after{width:9px;height:9px;right:6px;bottom:6px;border-color:rgba(33,212,160,.95);}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  display:inline-block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15.5px;color:var(--ink-2);font-weight:500;
}
.nav-menu a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-menu a.active{
  color:var(--brand-deep);font-weight:600;background:var(--brand-soft);
  box-shadow:inset 0 -2px 0 0 rgba(91,43,224,.55);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);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);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:24px;box-shadow:var(--shadow-lg);
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border-radius:50%;border:0;background:var(--brand-soft);
  color:var(--brand-deep);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:16px;}
.drawer-nav a{font-size:17px;padding:12px 4px;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,23,48,.42);z-index:1050;opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ============ banner ============ */
.page-banner{
  position:relative;margin:24px auto 0;max-width:1200px;border-radius:var(--r-card);
  overflow:hidden;min-height:320px;display:flex;align-items:flex-end;
  background-image:linear-gradient(115deg,rgba(69,32,184,.92) 0%,rgba(180,75,255,.78) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:48px 40px 44px;color:#fff;}
.banner-inner h1{
  color:#fff;font-size:44px;line-height:1.22;margin-bottom:16px;max-width:860px;
}
.banner-inner p{color:rgba(255,255,255,.9);font-size:16.5px;max-width:720px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.banner-tags span{
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.28);
}

/* ============ breadcrumb ============ */
.crumb-wrap{padding:20px 0 0;}
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--brand-soft);border-radius:var(--r-pill);padding:8px 18px;
  font-size:13.5px;color:var(--ink-3);
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6C1DB;}

/* ============ cards ============ */
.card-soft{
  background:var(--card);border-radius:var(--r-card);padding:32px;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;height:100%;
}
.card-soft:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.card-icon{
  width:56px;height:56px;border-radius:18px;background:var(--grad-main);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;
  font-size:18px;margin-bottom:20px;box-shadow:0 10px 22px rgba(91,43,224,.24);
}
.card-soft h3{font-size:20px;margin-bottom:12px;}
.card-soft p{font-size:15.5px;color:var(--ink-2);}
.card-soft .side-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;margin-top:24px;padding-top:24px;border-top:1px dashed var(--line);
}
.side-item h4{font-size:15px;margin-bottom:6px;}
.side-item p{font-size:14px;color:var(--ink-3);margin:0;}

.cover-card{
  background:var(--card);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;height:100%;
}
.cover-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.cover-media{position:relative;aspect-ratio:16/9;background:var(--grad-main);}
.cover-media img{width:100%;height:100%;object-fit:cover;}
.cover-body{padding:24px;}
.cover-body h3{font-size:18px;margin-bottom:10px;}
.cover-body p{font-size:15px;margin-bottom:16px;}

/* ============ steps ============ */
.step-list{position:relative;padding-left:0;}
.step-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:0 0 32px 0;
}
.step-item::after{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(91,43,224,.35),rgba(91,43,224,0));
}
.step-item:last-child{padding-bottom:0;}
.step-item:last-child::after{display:none;}
.step-num{
  width:56px;height:56px;border-radius:18px;background:var(--grad-main);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  box-shadow:0 10px 22px rgba(91,43,224,.22);font-variant-numeric:tabular-nums;
}
.step-body{
  background:var(--card);border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.step-body h3{font-size:18px;margin-bottom:8px;}
.step-body p{font-size:15px;margin:0;}

/* ============ sticky cta ============ */
.sticky-col{position:sticky;top:104px;}
.cta-panel{
  position:relative;overflow:hidden;border-radius:28px;padding:36px 32px;color:#fff;
  background:var(--grad-main);box-shadow:var(--shadow-lg);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:20px 20px;opacity:.4;pointer-events:none;
}
.cta-panel > *{position:relative;z-index:2;}
.cta-panel h3{color:#fff;font-size:23px;margin-bottom:12px;}
.cta-panel p{color:rgba(255,255,255,.88);font-size:15px;}
.cta-panel .btn-light-grad{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  background:#fff;color:var(--brand-deep);font-weight:700;font-size:16px;
  border:0;border-radius:var(--r-pill);padding:14px 24px;cursor:pointer;
  transition:all .25s ease;margin:20px 0 8px;
}
.cta-panel .btn-light-grad:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(20,10,60,.28);}
.cta-meta{border-top:1px solid rgba(255,255,255,.24);margin-top:22px;padding-top:20px;display:grid;gap:12px;}
.cta-meta div{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:rgba(255,255,255,.86);}
.cta-meta strong{color:#fff;font-weight:600;}

/* ============ metric strip ============ */
.metric-strip{
  margin-top:24px;background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-sm);
  padding:28px 32px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.metric-strip .metric{text-align:center;}
.metric-strip .num{
  font-size:34px;font-weight:700;line-height:1.1;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.metric-strip .unit{font-size:15px;color:var(--brand);font-weight:600;margin-left:2px;}
.metric-strip .label{font-size:13.5px;color:var(--ink-3);margin-top:8px;}

/* ============ split feature ============ */
.split-feature{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.split-media{
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md);background:var(--grad-main);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-list{display:grid;gap:16px;margin-top:24px;}
.split-list li{
  display:grid;grid-template-columns:26px 1fr;gap:12px;font-size:15.5px;color:var(--ink-2);
}
.split-list li .tick{
  width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-block;background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:14px;padding:8px 16px;border-radius:var(--r-pill);transition:all .2s ease;
}
.chip:hover{color:var(--brand);border-color:rgba(91,43,224,.35);background:var(--brand-soft);}

/* ============ faq ============ */
.faq .accordion-item{
  border:0;background:transparent;border-top:1px solid var(--line);
}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
  background:transparent;box-shadow:none;border:0;padding:22px 8px 22px 18px;
  font-size:17px;font-weight:600;color:var(--ink);font-family:var(--font);position:relative;
}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--grad-main);opacity:0;transition:opacity .25s ease;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-deep);}
.faq .accordion-button:not(.collapsed)::before{opacity:1;}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button::after{
  content:"＋";background-image:none;width:auto;height:auto;font-size:20px;line-height:1;
  color:var(--brand);transform:none;margin-left:auto;transition:color .25s ease;
}
.faq .accordion-button:not(.collapsed)::after{content:"－";color:var(--brand-deep);}
.faq .accordion-body{
  padding:0 8px 26px 18px;font-size:15.5px;color:var(--ink-2);max-width:820px;
}

/* ============ cta block ============ */
.cta-block{
  position:relative;overflow:hidden;border-radius:32px;background:#fff;
  box-shadow:var(--shadow-md);padding:56px 48px;
  background-image:linear-gradient(115deg,#F7F4FF 0%,#EFEDFA 100%);
}
.cta-block::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:var(--grad-accent);opacity:.12;pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.cta-grid h2{font-size:32px;line-height:1.3;margin-bottom:16px;position:relative;padding-left:18px;}
.cta-grid h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:4px;background:var(--grad-main);
}
.cta-points{display:grid;gap:14px;margin-top:24px;}
.cta-points li{display:grid;grid-template-columns:22px 1fr;gap:12px;font-size:15px;}
.cta-points li .dot{
  width:22px;height:22px;border-radius:50%;background:rgba(33,212,160,.16);color:#0E8C68;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:4px;
}

/* ============ form ============ */
.form-card{
  background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-sm);
}
.form-row{margin-bottom:18px;}
.form-label{
  display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px;
}
.form-control,.form-select{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:13px 16px;font-size:15px;color:var(--ink);font-family:var(--font);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#B3AFC5;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);outline:none;
}
textarea.form-control{min-height:108px;resize:vertical;}
.form-check{display:flex;align-items:flex-start;gap:10px;margin:18px 0 0;font-size:13px;color:var(--ink-3);}
.form-check input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);flex:0 0 16px;}
.form-check a{color:var(--brand);text-decoration:underline;}
.privacy-note{font-size:12.5px;color:var(--ink-3);margin-top:14px;line-height:1.7;}

/* ============ modal ============ */
.modal-content{
  border:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-lg);
}
.modal-content::before{
  content:"";display:block;height:6px;background:var(--grad-main);
}
.modal-header{border:0;padding:24px 28px 8px;align-items:flex-start;}
.modal-title{font-size:21px;font-weight:700;color:var(--ink);}
.modal-sub{font-size:14px;color:var(--ink-3);margin-top:6px;}
.modal-body{padding:16px 28px 28px;}
.modal .btn-close{
  width:38px;height:38px;border-radius:50%;background-color:var(--brand-soft);
  opacity:1;background-size:11px;transition:background-color .2s ease;
}
.modal .btn-close:hover{background-color:#E4DBFF;}
.modal-dialog{max-width:560px;}
@media (max-width:575.98px){.modal-dialog{max-width:92vw;}}

/* ============ footer ============ */
.site-footer{
  background:#1A1730;color:rgba(255,255,255,.72);margin-top:96px;
  border-radius:28px 28px 0 0;padding:64px 0 28px;
}
.site-footer .logo{color:#fff;margin-bottom:18px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.site-footer p{font-size:14.5px;color:rgba(255,255,255,.66);max-width:360px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
}
.footer-grid ul{display:grid;gap:12px;}
.footer-grid ul a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-grid ul a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* ============ mobile bar ============ */
.mobile-consult{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:#fff;border-top:1px solid var(--line);padding:10px 16px;
  align-items:center;gap:12px;box-shadow:0 -6px 20px rgba(45,25,110,.10);
}
.mobile-consult .btn-grad{flex:1;padding:12px 18px;font-size:15px;}
.mobile-consult .m-call{
  flex:0 0 auto;width:46px;height:46px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-deep);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .banner-inner h1{font-size:40px;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .header-actions .btn-grad{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .split-feature{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-block{padding:44px 32px;}
  .sticky-col{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .banner-inner{padding:36px 28px 32px;}
  .banner-inner h1{font-size:34px;}
}
@media (max-width:767.98px){
  body{padding-bottom:78px;}
  .mobile-consult{display:flex;}
  .section{padding:56px 0;}
  h2.section-title{font-size:25px;}
  .section-head{margin-bottom:32px;}
  .banner-inner h1{font-size:29px;}
  .banner-inner p{font-size:15.5px;}
  .page-banner{min-height:280px;margin:16px 12px 0;}
  .container{padding-left:16px;padding-right:16px;}
  .card-soft{padding:24px;}
  .cta-panel{padding:28px 24px;}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:24px 20px;}
  .metric-strip .num{font-size:28px;}
  .cta-block{padding:32px 20px;border-radius:24px;}
  .cta-grid h2{font-size:24px;}
  .form-card{padding:24px 20px;}
  .step-item{grid-template-columns:44px 1fr;gap:14px;}
  .step-num{width:44px;height:44px;border-radius:14px;font-size:16px;}
  .step-item::after{left:21px;top:44px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{margin-top:64px;padding:48px 0 24px;}
  .faq .accordion-button{font-size:16px;padding:18px 6px 18px 16px;}
  .cover-body{padding:20px;}
}
@media (max-width:575.98px){
  .banner-tags span{font-size:12px;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .card-soft .side-grid{grid-template-columns:1fr;}
}