/* roulang page: index */
:root{
  --brand-900:#1C1030;
  --brand-700:#4B1E8C;
  --brand-600:#6D28D9;
  --brand-400:#A78BFA;
  --brand-50:#F3EEFF;
  --accent-500:#00C2A8;
  --accent-300:#6EE7DC;
  --warm-500:#F2A93B;
  --ink-900:#16121F;
  --ink-600:#4A4458;
  --ink-400:#8A8496;
  --line:#E6E2F0;
  --bg:#FAF9FD;
  --bg-2:#F3F0FA;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(28,16,48,.04),0 8px 24px -12px rgba(76,30,140,.18);
  --shadow-hover:0 16px 36px -16px rgba(76,30,140,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-600);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--brand-900);color:#D9D3E8;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.topbar-tip{color:#9C93B5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.topbar-link{color:#D9D3E8;transition:color .2s var(--ease)}
.topbar-link:hover{color:var(--accent-300)}
.topbar-pill{border:1px solid var(--accent-500);color:var(--accent-300);border-radius:999px;padding:2px 12px;line-height:1.6;transition:background .2s var(--ease)}
.topbar-pill:hover{background:rgba(0,194,168,.14)}
@media(max-width:767px){
  .topbar-inner{height:32px;font-size:12px}
  .topbar-tip{display:none}
}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(28,16,48,.5)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--brand-600),var(--brand-700));color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:0}
.brand-name{font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--ink-600);padding:6px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:-9px;height:2px;border-radius:2px;background:var(--brand-600);transition:left .2s var(--ease),right .2s var(--ease)}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{left:0;right:0}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-600);background:#fff;transition:all .2s var(--ease)}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-400);background:var(--brand-50)}
.menu-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.menu-btn:hover{border-color:var(--brand-400)}
@media(max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .nav-actions .btn{display:none}
}
@media(max-width:479px){
  .brand-name{font-size:15px}
}

/* ============ 抽屉导航 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(28,16,48,.5);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;z-index:90;transform:translateX(104%);transition:transform .28s var(--ease);padding:20px;display:flex;flex-direction:column;gap:20px;box-shadow:-20px 0 50px -30px rgba(28,16,48,.6)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{margin-left:auto;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;cursor:pointer;color:var(--ink-600)}
.drawer-close:hover{border-color:var(--brand-400);color:var(--brand-600)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-link{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--ink-600);transition:background .2s var(--ease),color .2s var(--ease)}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-link.is-active{background:var(--brand-50);color:var(--brand-600);font-weight:600}
.drawer-cta{margin-top:auto}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);padding:12px 24px;font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .2s var(--ease);text-align:center;line-height:1.5}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand-400);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-600)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent-500);font-size:15px;font-weight:600}
.text-link span{transition:transform .2s var(--ease)}
.text-link:hover{text-decoration:underline}
.text-link:hover span{transform:translateX(4px)}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;border-radius:999px;font-size:13px;padding:3px 12px;line-height:1.6;white-space:nowrap}
.badge-cat{border:1px solid var(--brand-400);color:var(--brand-700);background:transparent}
.badge-data{border:1px solid var(--accent-500);color:#00897A}
.badge-warm{background:rgba(242,169,59,.14);color:#A96A05}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.04em;margin-bottom:10px}

/* ============ 板块通用 ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-alt{background:var(--bg-2)}
.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
@media(min-width:768px){
  .section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);letter-spacing:0}
.section-desc{max-width:520px;font-size:15px;color:var(--ink-400)}

/* ============ 卡片 ============ */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-400)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:15px;color:var(--ink-600)}
.card-lead{display:flex;flex-direction:column;gap:16px;padding:0;overflow:hidden}
.card-lead-img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-lead-body{padding:0 24px 24px;display:flex;flex-direction:column;gap:12px}
.num-tag{font-size:14px;font-weight:700;color:var(--brand-400);font-family:Inter,ui-monospace,monospace;letter-spacing:.06em}

/* ============ Hero ============ */
.hero{padding:40px 0 56px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-grid{display:grid;gap:36px;align-items:center}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1.02fr .98fr;gap:56px;min-height:560px;padding:24px 0}
}
.hero-title{font-size:clamp(27px,3.6vw,44px);line-height:1.28;margin:16px 0 16px;letter-spacing:-.01em}
.hero-sub{font-size:16px;color:var(--ink-600);max-width:520px}
@media(min-width:768px){.hero-sub{font-size:17px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
@media(max-width:767px){.hero-cta .btn{width:100%}}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-600)}
.hero-trust li svg{color:var(--accent-500);flex:0 0 auto}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.hero-float{position:absolute;right:-8px;bottom:-22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:16px 18px;box-shadow:var(--shadow-hover);min-width:210px}
.hero-float-num{font-size:30px;font-weight:700;color:var(--brand-600);line-height:1.1;font-variant-numeric:tabular-nums}
.hero-float-label{font-size:13px;color:var(--ink-400)}
.hero-float p{margin-top:8px;font-size:14px;color:var(--ink-900);font-weight:600}
@media(max-width:767px){
  .hero-float{position:static;margin-top:16px;box-shadow:var(--shadow-sm);min-width:0}
}

/* ============ 优势数据条 ============ */
.stats{background:linear-gradient(135deg,#2A1247 0%,#1C1030 100%);position:relative;overflow:hidden;padding:48px 0}
.stats::after{content:"";position:absolute;top:-60%;right:12%;width:320px;height:320px;background:radial-gradient(circle,rgba(0,194,168,.16),transparent 70%);pointer-events:none}
.stats-title{color:#fff;font-size:clamp(20px,2.2vw,28px);text-align:center;margin-bottom:8px;position:relative;z-index:1}
.stats-sub{color:#9C93B5;font-size:14px;text-align:center;margin-bottom:32px;position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);position:relative;z-index:1}
.stat{padding:16px 12px;text-align:center;border-right:1px solid rgba(0,194,168,.2);border-bottom:1px solid rgba(0,194,168,.2)}
.stat:nth-child(2n){border-right:0}
.stat:nth-child(n+3){border-bottom:0}
.stat-num{font-size:clamp(30px,4vw,40px);font-weight:700;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num small{font-size:15px;font-weight:600;color:var(--accent-300);margin-left:4px}
.stat-label{font-size:13px;color:#B6AEC9;margin-top:6px}
@media(min-width:1024px){
  .stats{padding:64px 0}
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .stat{border-bottom:0}
  .stat:nth-child(4n){border-right:0}
}

/* ============ 案例交错 ============ */
.case-row{display:grid;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.case-row:last-child{border-bottom:0}
@media(min-width:900px){
  .case-row{grid-template-columns:5fr 7fr;gap:40px;padding:32px 0}
  .case-row.reverse .case-img{order:2}
  .case-row.reverse .case-body{order:1}
}
.case-img img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img)}
.case-body h3{font-size:20px;margin:14px 0 10px}
.case-body p{font-size:15px;margin-bottom:14px}

/* ============ 流程时间线 ============ */
.steps{display:grid;gap:28px;position:relative;margin-top:8px}
@media(min-width:900px){
  .steps{grid-template-columns:repeat(3,1fr);gap:32px}
  .step{position:relative;padding-top:44px}
  .step::before{content:"";position:absolute;top:15px;left:38px;right:-32px;border-top:1.5px dashed var(--brand-400);opacity:.6}
  .step:last-child::before{display:none}
  .step-dot{position:absolute;top:0;left:0}
}
@media(max-width:899px){
  .step{position:relative;padding-left:44px}
  .step::before{content:"";position:absolute;left:15px;top:34px;bottom:-28px;border-left:1.5px dashed var(--brand-400);opacity:.6}
  .step:last-child::before{display:none}
  .step-dot{position:absolute;top:0;left:0}
}
.step-dot{width:32px;height:32px;border-radius:50%;background:#fff;border:1.5px solid var(--brand-600);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:15px}
.step-more{margin-top:28px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item[open]{border-color:var(--brand-400);box-shadow:var(--shadow-sm)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink-900);list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-600);border-top:1px solid var(--line);padding-top:16px;margin:0 0 4px}

/* ============ 最新信息 ============ */
.news-lead{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .2s var(--ease),transform .2s var(--ease);display:flex;flex-direction:column}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-lead-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-lead-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px}
.news-title{font-size:20px;line-height:1.45}
.news-title a:hover{color:var(--brand-600)}
.news-excerpt{font-size:15px;color:var(--ink-600)}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-400)}
.news-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm)}
.news-item{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px;transition:background .2s var(--ease)}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:var(--brand-50)}
.news-item h4{font-size:16px;font-weight:600;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-item h4 a:hover{color:var(--brand-600)}
.news-item-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-400)}
.empty-state{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);text-align:center;padding:32px}
.empty-icon{width:64px;height:64px;border-radius:50%;background:var(--brand-50);display:flex;align-items:center;justify-content:center;color:var(--brand-400)}
.empty-state h3{font-size:16px;font-weight:600}
.empty-state p{font-size:14px;color:var(--ink-400)}

/* ============ 联系表单 ============ */
.contact-grid{display:grid;gap:28px}
@media(min-width:1024px){.contact-grid{grid-template-columns:7fr 5fr;gap:32px}}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-sm)}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--ink-900)}
.field input,.field select,.field textarea{height:48px;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 14px;background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);font-size:15px;width:100%}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px var(--brand-50)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-600);margin-bottom:20px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-600)}
.form-msg{display:none;margin-top:14px;font-size:14px;color:#00897A;background:rgba(0,194,168,.1);border:1px solid rgba(0,194,168,.35);border-radius:10px;padding:10px 14px}
.form-msg.is-show{display:block}
.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.info-card{background:var(--brand-900);color:#D9D3E8;border-radius:var(--radius-card);padding:26px;display:flex;flex-direction:column;gap:18px}
.info-card h3{color:#fff;font-size:18px}
.info-list{display:flex;flex-direction:column;gap:14px}
.info-list li{display:flex;gap:12px;font-size:14.5px;line-height:1.7}
.info-list li svg{flex:0 0 auto;margin-top:4px;color:var(--accent-300)}
.info-list strong{color:#fff;font-weight:600;display:block;font-size:13px;margin-bottom:2px}
.qr-box{background:rgba(255,255,255,.06);border:1px dashed rgba(110,231,220,.4);border-radius:12px;padding:16px;text-align:center;font-size:13px;color:#9C93B5}
.qr-box img{width:104px;height:104px;object-fit:cover;border-radius:10px;margin:0 auto 10px;opacity:.9}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#C9C2DC;position:relative;padding-top:60px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background-image:repeating-linear-gradient(90deg,rgba(167,139,250,.55) 0 10px,transparent 10px 20px);opacity:.5}
.footer-grid{display:grid;gap:32px;padding-bottom:40px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand-400),var(--brand-600))}
.footer-brand span{color:#fff;font-weight:700;font-size:16px}
.footer-desc{font-size:14px;line-height:1.8;color:#9C93B5;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C9C2DC;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent-300)}
.footer-contact li{font-size:14px;line-height:1.8}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;flex-direction:column;gap:10px;font-size:13px;color:#9C93B5}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom a{color:#9C93B5}
.footer-bottom a:hover{color:var(--accent-300)}

/* roulang page: article */
:root{
  --brand-900:#1C1030;
  --brand-700:#4B1E8C;
  --brand-600:#6D28D9;
  --brand-400:#A78BFA;
  --brand-50:#F3EEFF;
  --accent-500:#00C2A8;
  --accent-300:#6EE7DC;
  --warm-500:#F2A93B;
  --ink-900:#16121F;
  --ink-600:#4A4458;
  --ink-400:#8A8496;
  --line:#E6E2F0;
  --bg:#FAF9FD;
  --bg-2:#F3F0FA;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(28,16,48,.04),0 8px 24px -12px rgba(76,30,140,.18);
  --shadow-md:0 16px 36px -16px rgba(76,30,140,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-600);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -18px rgba(76,30,140,.35);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
  color:#fff;
  font-size:16px;
  font-weight:700;
  border-radius:9px;
  letter-spacing:0;
  box-shadow:0 8px 18px -10px rgba(76,30,140,.7);
}
.brand-name{
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-600);
  padding:6px 0;
  transition:color 200ms var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transition:left 200ms var(--ease),right 200ms var(--ease);
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.is-active{color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{left:0;right:0;}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  color:var(--ink-600);
  transition:all 200ms var(--ease);
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-400);background:var(--brand-50);}
.menu-btn{
  display:none;
  width:38px;height:38px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-600);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-sm);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all 200ms var(--ease);
  line-height:1.4;
}
.btn-primary{
  background:var(--brand-600);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(76,30,140,.8);
}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--brand-400);
  color:var(--brand-700);
}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-600);}
.btn-light{
  background:#fff;
  color:var(--brand-700);
}
.btn-light:hover{background:var(--brand-50);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:focus-visible,.icon-btn:focus-visible,.menu-btn:focus-visible,.nav-link:focus-visible{
  outline:2px solid var(--accent-500);
  outline-offset:2px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent-500);
  font-weight:600;
  font-size:15px;
}
.text-link svg{transition:transform 200ms var(--ease);}
.text-link:hover{text-decoration:underline;}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  line-height:1.6;
  border:1px solid var(--brand-400);
  color:var(--brand-700);
  background:transparent;
}
.badge-accent{
  border-color:var(--accent-500);
  color:#0C7F70;
  background:rgba(0,194,168,.08);
}

/* ---------- breadcrumb ---------- */
.crumb-wrap{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-400);
  padding:14px 0;
}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:#CFC9DD;}
.breadcrumb .current{color:var(--ink-900);font-weight:500;}

/* ---------- article head ---------- */
.article-head{
  position:relative;
  background:linear-gradient(135deg,#F3EEFF 0%,#FAF9FD 62%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-head::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  background-image:radial-gradient(rgba(109,40,217,.22) 1.5px,transparent 1.5px);
  background-size:16px 16px;
  opacity:.5;
  pointer-events:none;
}
.article-head-inner{
  position:relative;
  z-index:1;
  padding:44px 0 48px;
  max-width:840px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px 18px;
  font-size:13px;
  color:var(--ink-400);
  margin-bottom:16px;
}
.article-meta .dot{
  width:4px;height:4px;border-radius:50%;background:#CFC9DD;display:inline-block;
}
.article-title{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.35;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:0;
}
.article-lead{
  margin-top:16px;
  font-size:16px;
  color:var(--ink-600);
  max-width:760px;
}

/* ---------- layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  padding:56px 0 72px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px;padding:72px 0 96px;}
}
.article-main{
  min-width:0;
  max-width:820px;
}
.card-surface{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}
.article-panel{
  padding:28px 24px;
}
@media (min-width:768px){.article-panel{padding:40px 44px;}}
@media (min-width:1024px){.article-panel{padding:44px 48px;}}

/* ---------- article body ---------- */
.article-body{
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink-600);
  word-break:break-word;
  overflow-wrap:anywhere;
}
.article-body > * + *{margin-top:18px;}
.article-body p{margin:0;}
.article-body h2{
  position:relative;
  margin-top:36px;
  padding-left:14px;
  font-size:22px;
  line-height:1.45;
  font-weight:700;
  color:var(--ink-900);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--brand-600);
}
.article-body h3{
  margin-top:28px;
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink-900);
}
.article-body h4{
  margin-top:24px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink-900);
}
.article-body ul{list-style:disc;padding-left:1.4em;}
.article-body ol{list-style:decimal;padding-left:1.4em;}
.article-body li + li{margin-top:8px;}
.article-body li::marker{color:var(--brand-600);}
.article-body a{color:var(--brand-600);font-weight:500;border-bottom:1px solid rgba(109,40,217,.3);}
.article-body a:hover{color:var(--brand-700);border-bottom-color:var(--brand-700);}
.article-body blockquote{
  border-left:3px solid var(--accent-500);
  background:var(--brand-50);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  padding:16px 18px;
  color:var(--ink-600);
}
.article-body img{border-radius:12px;margin:6px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--ink-400);
}
.article-body code{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--brand-900);
  color:#EDE9FA;
  border-radius:var(--radius-sm);
  padding:18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:transparent;border:0;padding:0;color:inherit;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:14.5px;
}
.article-body .table-scroll{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
}
.article-body thead th{
  background:var(--brand-900);
  color:#fff;
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  white-space:nowrap;
}
.article-body tbody td{
  padding:11px 14px;
  border-top:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:var(--brand-50);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0;}

/* ---------- tags / footer of article ---------- */
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--ink-400);}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 14px;
  border-radius:999px;
  background:var(--brand-50);
  border:1px solid var(--line);
  color:var(--brand-700);
  font-size:13px;
  transition:all 200ms var(--ease);
}
.tag:hover{border-color:var(--brand-400);background:#fff;}
.article-foot-link{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:16px 24px;
  align-items:center;
}

/* ---------- empty state ---------- */
.empty-state{
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap:12px;
  padding:32px 16px;
}
.empty-icon{
  width:64px;height:64px;
  border-radius:50%;
  background:var(--brand-50);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-600);
}
.empty-state h3{font-size:16px;font-weight:600;color:var(--ink-900);}
.empty-state p{font-size:14px;color:var(--ink-400);}

/* ---------- sidebar ---------- */
.article-side{
  display:flex;
  flex-direction:column;
  gap:24px;
  min-width:0;
}
@media (min-width:1024px){
  .article-side{position:sticky;top:96px;align-self:start;}
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px 20px;
  box-shadow:var(--shadow-sm);
}
.side-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:14px;
}
.side-title::before{
  content:"";
  width:4px;height:16px;
  border-radius:2px;
  background:var(--brand-600);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow-y:auto;}
.toc-list a{
  display:block;
  font-size:14px;
  color:var(--ink-600);
  padding:7px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  transition:all 200ms var(--ease);
  line-height:1.6;
}
.toc-list a:hover{background:var(--brand-50);color:var(--brand-700);}
.toc-list a.is-current{
  background:var(--brand-50);
  border-left-color:var(--brand-600);
  color:var(--brand-700);
  font-weight:600;
}
.quick-list{display:flex;flex-direction:column;}
.quick-list li + li{border-top:1px solid var(--line);}
.quick-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 2px;
  font-size:14.5px;
  color:var(--ink-600);
  transition:color 200ms var(--ease);
}
.quick-list a:hover{color:var(--brand-600);}
.quick-list a span.num{
  font-size:13px;
  font-weight:700;
  color:var(--brand-400);
  font-variant-numeric:tabular-nums;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.cta-card{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#2A1247 0%,#1C1030 100%);
  border-radius:var(--radius);
  padding:26px 22px;
  color:#fff;
  box-shadow:0 18px 34px -20px rgba(28,16,48,.9);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-30px;bottom:-40px;
  width:170px;height:170px;
  background-image:radial-gradient(rgba(110,231,220,.28) 1.5px,transparent 1.5px);
  background-size:14px 14px;
  opacity:.55;
  pointer-events:none;
}
.cta-card h3{font-size:17px;font-weight:700;line-height:1.5;position:relative;z-index:1;}
.cta-card p{font-size:13.5px;color:#C9C2DC;margin-top:8px;position:relative;z-index:1;}
.cta-card .btn{margin-top:18px;width:100%;position:relative;z-index:1;}

/* ---------- bottom cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,#2A1247 0%,#1C1030 100%);
  border-radius:var(--radius-lg);
  padding:40px 28px;
  color:#fff;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  align-items:center;
  justify-content:space-between;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-20px;top:-40px;
  width:220px;height:220px;
  background-image:radial-gradient(rgba(167,139,250,.22) 1.5px,transparent 1.5px);
  background-size:15px 15px;
  opacity:.6;
  pointer-events:none;
}
.cta-band h2{
  position:relative;
  z-index:1;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  line-height:1.4;
}
.cta-band p{
  position:relative;
  z-index:1;
  font-size:14.5px;
  color:#C9C2DC;
  margin-top:8px;
  max-width:520px;
}
.cta-band-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:72px;
  background:var(--brand-900);
  color:#C9C2DC;
  border-top:1px solid rgba(110,231,220,.28);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding:56px 0 40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 48px;}}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;line-height:1.85;color:#A99FC0;max-width:320px;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#C9C2DC;transition:color 200ms var(--ease);}
.footer-col a:hover{color:var(--accent-300);}
.footer-contact li{font-size:14px;line-height:1.7;}
.footer-contact strong{color:#EDE9FA;font-weight:500;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:#9C93B5;
}
.footer-bottom a{color:#9C93B5;}
.footer-bottom a:hover{color:var(--accent-300);}

/* ---------- responsive nav ---------- */
@media (max-width:1023px){
  .menu-btn{display:inline-flex;}
  .nav-links{
    position:absolute;
    left:16px;right:16px;
    top:calc(100% + 8px);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin:0;
    padding:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow-md);
    display:none;
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-link{padding:11px 12px;border-radius:8px;}
  .nav-link::after{display:none;}
  .nav-link:hover,.nav-link.is-active{background:var(--brand-50);}
  .nav-inner{position:relative;}
}
@media (max-width:640px){
  .nav-inner{height:64px;gap:12px;}
  .brand-name{font-size:15.5px;}
  .nav-actions .btn-sm{padding:8px 14px;font-size:13px;}
  .cta-band{padding:30px 20px;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn{width:100%;}
  .article-panel{padding:22px 18px;}
  .footer-bottom{font-size:12.5px;}
}
@media (max-width:400px){
  .brand-name{display:none;}
  .brand-mark{width:30px;height:30px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#1C1030;
  --brand-700:#4B1E8C;
  --brand-600:#6D28D9;
  --brand-400:#A78BFA;
  --brand-50:#F3EEFF;
  --accent-500:#00C2A8;
  --accent-300:#6EE7DC;
  --warm-500:#F2A93B;
  --ink-900:#16121F;
  --ink-600:#4A4458;
  --ink-400:#8A8496;
  --line:#E6E2F0;
  --bg:#FAF9FD;
  --bg-2:#F3F0FA;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(28,16,48,.04), 0 8px 24px -12px rgba(76,30,140,.18);
  --shadow-hover:0 16px 36px -16px rgba(76,30,140,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --tint:#3E1A73;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:#D9D3E8;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar-tip{color:#B7AECB;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.topbar-link{color:#D9D3E8;transition:color .2s var(--ease)}
.topbar-link:hover{color:var(--accent-300)}
.topbar-pill{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(110,231,220,.75);color:var(--accent-300);
  border-radius:999px;padding:3px 12px;font-size:12px;line-height:1.6;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.topbar-pill:hover{background:rgba(110,231,220,.14);border-color:var(--accent-300)}
@media (max-width:767px){
  .topbar-inner{min-height:32px}
  .topbar-tip{display:none}
  .topbar-link{display:none}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 26px -18px rgba(28,16,48,.5)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
  box-shadow:0 6px 16px -8px rgba(76,30,140,.7);
}
.brand-name{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-600);padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-600);transition:left .2s var(--ease),right .2s var(--ease);
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{left:0;right:0}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-600);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-400);background:var(--brand-50)}
.menu-btn{
  display:none;width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink-600);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.menu-btn:hover{color:var(--brand-600);border-color:var(--brand-400);background:var(--brand-50)}
.nav-drawer-cta{display:none}
.nav-mask{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1.5px solid transparent;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  min-height:46px;cursor:pointer;
}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border-color:var(--brand-400);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-600)}
.btn-ghost:active{background:var(--brand-50)}
.btn-accent{background:var(--accent-500);color:#062420}
.btn-accent:hover{background:#00A992;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:var(--brand-50)}

/* ---------- 顶部横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(62,26,115,.90),rgba(28,16,48,.82));
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(110,231,220,.20) 1px,transparent 1px);
  background-size:8px 8px;
  mask-image:linear-gradient(90deg,transparent 30%,#000 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 30%,#000 100%);
}
.page-hero-inner{position:relative;z-index:1;padding:56px 0 60px;max-width:760px;color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(167,139,250,.7);color:#DCD5F5;
  border-radius:999px;padding:5px 14px;font-size:13px;line-height:1.6;background:rgba(28,16,48,.24);
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-300);display:inline-block}
.page-hero h1{
  font-size:clamp(28px,3.8vw,44px);line-height:1.24;font-weight:700;color:#fff;
  margin:16px 0 14px;letter-spacing:.01em;
}
.page-hero p{color:#D6CEE9;font-size:16px;line-height:1.85;max-width:660px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:6px 14px;font-size:13px;color:#EFEBFA;
}
.meta-chip strong{color:var(--accent-300);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0 0;font-size:13px;color:var(--ink-400)}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{margin:0 8px;color:#C4BDD6}
.breadcrumb .current{color:var(--ink-900);font-weight:600}

/* ---------- 主体布局 ---------- */
.content-wrap{padding:44px 0 88px}
.layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:56px;align-items:start}
.anchor-nav{position:sticky;top:104px}
.anchor-title{font-size:12px;letter-spacing:.14em;color:var(--ink-400);padding:0 14px 10px;font-weight:600}
.anchor-link{
  display:block;padding:10px 14px;font-size:14px;color:var(--ink-600);
  border-left:2px solid var(--line);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.anchor-link:hover{color:var(--brand-600);background:var(--brand-50);border-color:var(--brand-400)}
.anchor-link.is-current{color:var(--brand-600);font-weight:600;background:var(--brand-50);border-color:var(--brand-600)}
.anchor-note{
  margin-top:20px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;font-size:13px;line-height:1.75;color:var(--ink-400);
}
.anchor-note strong{display:block;color:var(--ink-900);font-size:14px;margin-bottom:6px}

/* ---------- 内容分节 ---------- */
.entry{padding:40px 0;border-bottom:1px solid var(--line);scroll-margin-top:112px}
.entry:first-child{padding-top:0}
.entry:last-child{border-bottom:0;padding-bottom:0}
.entry-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.entry-num{
  font-family:Inter,ui-monospace,monospace;font-size:13px;font-weight:700;
  color:var(--brand-600);background:var(--brand-50);border:1px solid var(--brand-400);
  border-radius:999px;padding:3px 12px;line-height:1.6;
}
.entry h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;color:var(--ink-900)}
.entry p{font-size:16px;line-height:1.85;color:var(--ink-600);margin-top:14px;max-width:740px}
.points{margin-top:20px;display:grid;gap:12px;max-width:760px}
.points li{position:relative;padding-left:22px;font-size:15.5px;line-height:1.78}
.points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;
  background:var(--accent-500);
}
.figure-block{
  display:grid;grid-template-columns:4fr 8fr;gap:24px;align-items:center;
  margin-top:28px;padding:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.figure-block:hover{box-shadow:var(--shadow-hover);border-color:var(--brand-400);transform:translateY(-2px)}
.figure-block img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);background:var(--brand-50)}
.figure-text h3{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5}
.figure-text p{font-size:15px;line-height:1.8;color:var(--ink-600);margin-top:8px;max-width:none}
.entry-cta{margin-top:22px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--accent-500);
  transition:color .2s var(--ease);
}
.text-link i{font-style:normal;display:inline-block;transition:transform .2s var(--ease)}
.text-link:hover{color:#009E89;text-decoration:underline;text-underline-offset:4px}
.text-link:hover i{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq{margin-top:64px;scroll-margin-top:112px}
.section-head{max-width:720px;margin-bottom:26px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-50);border-radius:999px;padding:4px 14px;margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--ink-900)}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--ink-600)}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:var(--brand-400)}
.faq-item.is-open{border-color:var(--brand-400);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);text-align:left;
}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;color:var(--brand-600);background:var(--brand-50);
  transition:transform .22s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:#E7DEFF}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-600)}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:64px;border-radius:var(--radius-lg);overflow:hidden;position:relative;
  background:linear-gradient(135deg,#2A1247,#1C1030);
  padding:40px 32px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.55;pointer-events:none;
  background-image:radial-gradient(rgba(110,231,220,.22) 1px,transparent 1px);
  background-size:8px 8px;
  mask-image:linear-gradient(90deg,transparent 40%,#000 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 40%,#000 100%);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h3{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4}
.cta-inner p{margin-top:8px;font-size:15px;color:#CFC6E4;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--brand-900);color:#C9C2DC;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background-image:repeating-linear-gradient(90deg,rgba(110,231,220,.45) 0 10px,transparent 10px 20px);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.85;color:#A79FBC;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C9C2DC;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent-300)}
.footer-contact li{font-size:14px;color:#C9C2DC;margin-bottom:10px}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.10);padding:18px 0;font-size:13px;color:#9C93B5;
}
.footer-bottom a{color:#9C93B5;transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--accent-300)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:28px}
  .anchor-nav{
    position:static;top:auto;display:flex;gap:8px;overflow-x:auto;
    padding-bottom:10px;margin:0 -20px;padding-left:20px;padding-right:20px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .anchor-nav::-webkit-scrollbar{display:none}
  .anchor-title{display:none}
  .anchor-note{display:none}
  .anchor-link{
    border:1px solid var(--line);border-radius:999px;white-space:nowrap;
    padding:8px 16px;font-size:13.5px;
  }
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:288px;max-width:84vw;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;
    padding:82px 24px 32px;transform:translateX(100%);
    transition:transform .26s var(--ease);z-index:90;overflow-y:auto;
    box-shadow:-24px 0 48px -24px rgba(28,16,48,.5);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{width:100%;padding:15px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-drawer-cta{display:inline-flex;width:100%;margin-top:26px}
  .menu-btn{display:flex}
  .nav-mask{
    display:block;position:fixed;inset:0;background:rgba(28,16,48,.5);
    opacity:0;pointer-events:none;transition:opacity .2s var(--ease);z-index:80;
  }
  .nav-mask.is-open{opacity:1;pointer-events:auto}
  .page-hero-inner{padding:44px 0 48px}
}
@media (max-width:767px){
  .content-wrap{padding:32px 0 64px}
  .entry{padding:32px 0}
  .figure-block{grid-template-columns:1fr;gap:16px;padding:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px}
  .footer-desc{max-width:none}
  .cta-band{padding:32px 22px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .cta-actions{width:100%}
  .faq{margin-top:48px}
  .cta-band{margin-top:48px}
}
@media (max-width:560px){
  .nav-actions .btn-sm{display:none}
  .icon-btn{display:none}
  .page-hero h1{font-size:26px}
}

/* roulang page: category2 */
:root{
  --brand-900:#1C1030;
  --brand-700:#4B1E8C;
  --brand-600:#6D28D9;
  --brand-400:#A78BFA;
  --brand-50:#F3EEFF;
  --accent-500:#00C2A8;
  --accent-300:#6EE7DC;
  --warm-500:#F2A93B;
  --ink-900:#16121F;
  --ink-600:#4A4458;
  --ink-400:#8A8496;
  --line:#E6E2F0;
  --bg:#FAF9FD;
  --bg-2:#F3F0FA;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(28,16,48,.04), 0 8px 24px -12px rgba(76,30,140,.18);
  --shadow-hover:0 16px 36px -16px rgba(76,30,140,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.8;color:var(--ink-600);background:var(--bg);overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.35;font-weight:700}
p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{max-width:1280px;padding:0 40px}}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:#D9D3E8;font-size:13px;line-height:1.5}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:38px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar-tip{color:#9C93B5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.topbar-link{color:#D9D3E8;transition:color .2s var(--ease)}
.topbar-link:hover{color:var(--accent-300)}
.pill-outline{border:1px solid var(--accent-500);color:var(--accent-300);border-radius:999px;padding:3px 12px;font-size:12.5px;line-height:1.6;transition:background .2s var(--ease),color .2s var(--ease)}
.pill-outline:hover{background:rgba(0,194,168,.14);color:#fff}
@media(max-width:767px){
  .topbar-inner{height:32px}
  .topbar-tip{display:none}
  .topbar-link{display:none}
}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(76,30,140,.5)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#6D28D9,#4B1E8C);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;box-shadow:0 8px 18px -10px rgba(76,30,140,.9);flex-shrink:0}
.brand-name{font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--ink-600);padding:6px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:-8px;height:2px;border-radius:2px;background:var(--brand-600);transition:left .25s var(--ease),right .25s var(--ease)}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{left:0;right:0}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{width:40px;height:40px;border-radius:999px;display:grid;place-items:center;color:var(--ink-600);border:1px solid transparent;transition:all .2s var(--ease)}
.icon-btn:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--line)}
.menu-btn{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;color:var(--ink-600);cursor:pointer;transition:all .2s var(--ease)}
.menu-btn:hover{border-color:var(--brand-400);color:var(--brand-700)}
@media(max-width:1023px){
  :root{--header-h:64px}
  .nav-links,.icon-btn{display:none}
  .brand-name{font-size:15.5px}
}
@media(min-width:1024px){
  .menu-btn{display:none}
}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--radius-btn);border:1.5px solid transparent;cursor:pointer;transition:all .2s var(--ease);white-space:nowrap}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(76,30,140,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:transparent;border-color:var(--brand-400);color:var(--brand-700)}
.btn-secondary:hover{background:var(--brand-50);border-color:var(--brand-600)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:var(--brand-50);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(110,231,220,.65);color:#fff}
.btn-outline-light:hover{background:rgba(0,194,168,.14);border-color:var(--accent-300)}
.btn-sm{padding:9px 18px;font-size:14px}
@media(max-width:767px){
  .btn{min-height:44px}
}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(28,16,48,.5);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:85}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);background:#fff;z-index:90;transform:translateX(102%);transition:transform .3s var(--ease);padding:22px 20px;display:flex;flex-direction:column;gap:20px;box-shadow:-24px 0 48px -24px rgba(28,16,48,.55);overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15.5px;font-weight:700;color:var(--ink-900);flex:1}
.drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink-600);font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center;transition:all .2s var(--ease)}
.drawer-close:hover{border-color:var(--brand-400);color:var(--brand-700)}
.drawer-nav{display:grid;gap:6px}
.drawer-link{padding:12px 14px;border-radius:12px;font-size:15.5px;color:var(--ink-600);border:1px solid transparent;transition:all .2s var(--ease)}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-link.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600;border-color:var(--brand-400)}
.drawer-cta{width:100%}
@media(min-width:1024px){
  .drawer,.drawer-mask{display:none!important}
}

/* 页面横幅 */
.page-banner{position:relative;overflow:hidden;background-color:var(--brand-900)}
.page-banner-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(28,16,48,.74),rgba(28,16,48,.88)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;background-repeat:no-repeat}
.page-banner-bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:8px 8px;opacity:.4}
.page-banner-inner{position:relative;padding:64px 0 68px;min-height:280px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.banner-badge{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;font-size:13px;font-weight:600;color:var(--accent-300);border:1px solid rgba(110,231,220,.5);border-radius:999px;padding:5px 14px;background:rgba(0,194,168,.08)}
.page-banner h1{color:#fff;font-size:clamp(28px,3.8vw,44px);line-height:1.25;letter-spacing:.01em}
.banner-lead{max-width:720px;color:#D9D3E8;font-size:15.5px;line-height:1.9}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.banner-tag{font-size:13px;color:#C9C2DC;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:4px 13px}
@media(max-width:767px){
  .page-banner-inner{padding:48px 0 52px;min-height:240px}
}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);padding:14px 0}
.crumb a{color:var(--ink-400);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:#C9C2DC}
.crumb .current{color:var(--ink-900);font-weight:600}

/* 锚点条 */
.anchor-bar{position:sticky;top:var(--header-h);z-index:50;background:rgba(250,249,253,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;-ms-overflow-style:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-pill{flex:0 0 auto;padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-600);font-size:14px;transition:all .2s var(--ease);white-space:nowrap;cursor:pointer}
.anchor-pill:hover{border-color:var(--brand-400);color:var(--brand-700);transform:translateY(-1px)}
.anchor-pill.is-active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}

/* 板块 */
.section{padding:64px 0}
.section-alt{background:var(--bg-2)}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);background:var(--brand-50);border-radius:999px;padding:4px 13px;margin-bottom:14px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent-500)}
.h2-bar{position:relative;padding-left:16px;font-size:clamp(23px,2.6vw,32px)}
.h2-bar::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand-600)}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-600)}
.section-lede{margin-top:12px;font-size:15.5px;color:var(--ink-600)}

/* 编号清单 + 右侧配图 */
.numbered-layout{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:1024px){
  .numbered-layout{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:start}
}
.num-list{display:grid;gap:22px}
.num-item{display:grid;grid-template-columns:52px 1fr;gap:16px;padding-bottom:22px;border-bottom:1px dashed var(--line)}
.num-item:last-child{border-bottom:0;padding-bottom:0}
.num-item .num{font-size:clamp(26px,3vw,38px);font-weight:700;color:var(--brand-400);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.num-item h3{font-size:17.5px;font-weight:600;margin-bottom:6px}
.num-item p{font-size:15.5px;color:var(--ink-600)}
.side-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--brand-50)}
.side-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-note{margin-top:12px;font-size:13.5px;color:var(--ink-400);line-height:1.7}
.mt-32{margin-top:32px}
.mt-40{margin-top:40px}

/* 要点列表 */
.bullet-list{display:grid;gap:12px}
.bullet-list li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.8;color:var(--ink-600)}
.bullet-list li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--accent-500)}

/* 横向图文块 */
.media-block{display:grid;gap:24px;grid-template-columns:1fr;align-items:center}
@media(min-width:1024px){.media-block{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:32px}}
.media-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--brand-50)}
.media-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.media-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.media-body p{font-size:15.5px;line-height:1.85}

/* 文字链接 */
.link-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--accent-500);font-weight:600;font-size:15px;transition:color .2s var(--ease)}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover{color:#00A38D;text-decoration:underline}
.link-arrow:hover svg{transform:translateX(4px)}

/* 60/40 分栏 */
.split-6040{display:grid;gap:28px;grid-template-columns:1fr}
@media(min-width:1024px){
  .split-6040{grid-template-columns:minmax(0,60%) minmax(0,40%);gap:36px}
}
.cmp-list{display:grid;gap:14px}
.cmp-row{display:grid;grid-template-columns:1fr;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-sm);transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.cmp-row:hover{border-color:var(--brand-400);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
@media(min-width:640px){
  .cmp-row{grid-template-columns:auto 1fr;align-items:start;gap:18px}
}
.cmp-key{font-size:13px;font-weight:600;color:var(--brand-700);background:var(--brand-50);border-radius:999px;padding:4px 13px;justify-self:start;white-space:nowrap;line-height:1.7}
.cmp-title{font-size:15.5px;font-weight:600;color:var(--ink-900)}
.cmp-desc{font-size:14.5px;color:var(--ink-600);margin-top:4px}

/* 深色配置卡 */
.side-card{position:relative;overflow:hidden;background:linear-gradient(135deg,#2A1247 0%,#1C1030 100%);border-radius:var(--radius-lg);padding:28px 26px;color:#D9D3E8}
.side-card::after{content:"";position:absolute;right:12%;top:-30%;width:240px;height:240px;border-radius:50%;background:rgba(0,194,168,.08);pointer-events:none}
.side-card h3{position:relative;color:#fff;font-size:17.5px;font-weight:600}
.side-card .side-note{position:relative;margin-top:8px;font-size:14px;color:#9C93B5}
.spec-list{position:relative;display:grid;gap:12px;margin-top:18px}
.spec-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:12px;border-bottom:1px solid rgba(110,231,220,.18);font-size:14.5px}
.spec-row:last-child{border-bottom:0;padding-bottom:0}
.spec-row span:first-child{color:#9C93B5}
.spec-row span:last-child{color:#fff;font-weight:600}
.side-card-figure{position:relative;margin-top:20px;border-radius:var(--radius-card);overflow:hidden;border:1px solid rgba(255,255,255,.12)}
.side-card-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 版本记录 */
.version-list{display:grid;gap:12px}
.version-row{display:grid;grid-template-columns:1fr;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-sm);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.version-row:hover{border-color:var(--brand-400);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
@media(min-width:768px){
  .version-row{grid-template-columns:120px minmax(0,1fr) auto;align-items:center;gap:20px}
}
.version-code{font-weight:700;color:var(--brand-700);font-size:15.5px;font-variant-numeric:tabular-nums}
.version-text{font-size:15px;color:var(--ink-600)}
.version-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;font-size:12.5px;border-radius:999px;padding:3px 12px;line-height:1.7;white-space:nowrap}
.tag-accent{border:1px solid var(--accent-500);color:#008D7A;background:rgba(0,194,168,.08)}
.tag-warm{background:rgba(242,169,59,.13);color:#9A6508}
.tag-plain{border:1px solid var(--brand-400);color:var(--brand-700)}
.version-date{font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums}

/* CTA 深色条 */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,#2A1247 0%,#1C1030 100%);border-radius:var(--radius-lg);padding:40px 32px;display:grid;gap:26px;align-items:center}
.cta-band::after{content:"";position:absolute;right:8%;top:-45%;width:320px;height:320px;border-radius:50%;background:rgba(0,194,168,.08);pointer-events:none}
.cta-band h2{position:relative;color:#fff;font-size:clamp(21px,2.3vw,27px);line-height:1.4}
.cta-band p{position:relative;margin-top:10px;font-size:15px;color:#C9C2DC;max-width:640px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:1024px){
  .cta-band{grid-template-columns:minmax(0,1fr) auto;padding:48px 44px;gap:40px}
}
@media(max-width:767px){
  .cta-band{padding:32px 22px}
  .cta-actions .btn{width:100%}
}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#C9C2DC;position:relative;margin-top:0}
.site-footer::before{content:"";display:block;height:1px;background:repeating-linear-gradient(90deg,rgba(110,231,220,.45) 0 12px,transparent 12px 24px)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:52px 0 36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 46px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16.5px;font-weight:700;margin-bottom:14px}
.footer-desc{font-size:14.5px;line-height:1.9;color:#9C93B5;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:#C9C2DC;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent-300)}
.footer-contact li{font-size:14.5px;color:#C9C2DC;line-height:1.7}
.footer-contact strong{color:#9C93B5;font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#9C93B5}
.footer-bottom a{color:#9C93B5;transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--accent-300)}