/* roulang page: index */
:root{
  --brand-700:#4726C9;
  --brand-600:#5B34E8;
  --brand-500:#6E4CF0;
  --brand-300:#A695F8;
  --brand-050:#F1EDFE;
  --accent-600:#0FB3A0;
  --accent-500:#14C8B2;
  --warn-500:#FF7A3D;
  --ink-900:#16141F;
  --ink-700:#3A3650;
  --ink-500:#6B6785;
  --ink-300:#A7A3BC;
  --line:#E7E4F2;
  --bg:#F7F6FC;
  --surface:#FFFFFF;
  --dark:#17142A;
  --grad-brand:linear-gradient(120deg,#5B34E8 0%,#8C74F7 45%,#14C8B2 100%);
  --sh-sm:0 1px 2px rgba(22,20,31,.05);
  --sh-md:0 8px 24px -12px rgba(91,52,232,.18);
  --sh-lg:0 24px 60px -24px rgba(23,20,42,.24);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;

  --bs-primary:#5B34E8;
  --bs-primary-rgb:91,52,232;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#3A3650;
  --bs-body-bg:#F7F6FC;
  --bs-border-radius:18px;
  --bs-link-color:#5B34E8;
  --bs-link-hover-color:#4726C9;
  --bs-border-color:#E7E4F2;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.ayx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:66ch;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-600);white-space:nowrap;}
.text-link i{transition:transform .25s var(--ease);font-size:13px;}
.text-link:hover i{transform:translateX(4px);}

/* 命令栏导航 */
.cmdbar{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.cmdbar.is-scrolled{box-shadow:var(--sh-md);}
.cmdbar-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink-900);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;flex-shrink:0;
  box-shadow:var(--sh-md);
}
.brand-text{
  font-size:17px;font-weight:700;max-width:240px;white-space:nowrap;overflow:hidden;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.cmd-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.cmd-nav a{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-700);white-space:nowrap;
}
.cmd-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;border-radius:2px;
  background:var(--grad-brand);opacity:0;transform:scaleX(.4);transition:all .25s var(--ease);
}
.cmd-nav a:hover{color:var(--brand-600);}
.cmd-nav a:hover::after{opacity:.5;transform:scaleX(1);}
.cmd-nav a.active{color:var(--brand-600);font-weight:600;}
.cmd-nav a.active::after{opacity:1;transform:scaleX(1);}
.cmd-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:240px;height:42px;padding:0 10px 0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:12px;transition:all .25s var(--ease);
}
.cmd-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 2px rgba(110,76,240,.18);}
.cmd-search i{color:var(--ink-300);font-size:14px;}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--ink-900);outline:none;
}
.cmd-search input::placeholder{color:var(--ink-300);}
.cmd-search .kbd{
  font-size:11px;color:var(--ink-500);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;flex-shrink:0;
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--ink-700);
  transition:all .25s var(--ease);flex-shrink:0;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-600);box-shadow:var(--sh-sm);}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:44px;border-radius:999px;border:0;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-sm);transition:all .25s var(--ease);white-space:nowrap;
}
.btn-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:44px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink-700);font-size:15px;font-weight:600;
  transition:all .25s var(--ease);white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);}
.btn-dark-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:44px;border-radius:999px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.22);color:#fff;font-size:15px;font-weight:600;
  transition:all .25s var(--ease);
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-700);font-size:17px;
}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-nav.open{display:block;}
.mobile-nav a{
  display:block;padding:14px 20px;font-size:15px;font-weight:500;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.mobile-nav a.active{color:var(--brand-600);background:var(--brand-050);}
.mobile-nav a:last-child{border-bottom:0;}

/* Hero */
.hero{position:relative;background:#fff;border-bottom:1px solid var(--line);}
.hero::before{content:"";display:block;height:7px;background:var(--grad-brand);}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:72px 0 80px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600;
  margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;margin-bottom:20px;}
.hero h1 span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;color:var(--ink-500);max-width:56ch;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:32px;
  border:1px solid rgba(0,0,0,.06);box-shadow:var(--sh-lg);
}
.hero-float{
  position:absolute;right:-6px;bottom:26px;display:flex;flex-direction:column;gap:10px;
}
.badge-data{
  display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:16px;
  background:#fff;box-shadow:var(--sh-lg);border:1px solid var(--line);
}
.badge-data .ico{
  width:32px;height:32px;border-radius:10px;background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.badge-data .num{font-size:20px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.1;}
.badge-data .num small{font-size:12px;font-weight:600;color:var(--ink-500);margin-left:3px;}
.badge-data .lbl{font-size:12px;color:var(--ink-500);line-height:1.4;}

/* 数据徽章行 */
.stats{background:#fff;padding:0 0 8px;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:-34px;position:relative;z-index:3;
}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-sm);transition:all .25s var(--ease);
}
.stat-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px);}
.stat-card .ico{
  width:40px;height:40px;border-radius:12px;background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:16px;
}
.stat-card .val{font-size:24px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-card .val small{font-size:13px;font-weight:600;color:var(--ink-500);margin-left:4px;}
.stat-card .cap{font-size:12px;color:var(--ink-500);margin-top:6px;}

/* 合集目录 */
.dir-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.dir-main{
  grid-column:span 6;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:all .25s var(--ease);
}
.dir-main:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);}
.dir-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);}
.dir-main .body{padding:28px;display:flex;flex-direction:column;gap:14px;flex:1;}
.dir-index{
  font-size:13px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;
  letter-spacing:0;
}
.dir-title{font-size:22px;font-weight:700;color:var(--ink-900);line-height:1.4;}
.dir-desc{font-size:15px;color:var(--ink-500);}
.dir-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:600;
}
.chip-warn{background:#FFF1E8;color:#D9561A;}
.dir-side{
  grid-column:span 3;display:flex;flex-direction:column;justify-content:space-between;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-sm);transition:all .25s var(--ease);min-height:280px;
}
.dir-side:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:var(--brand-500);}
.dir-side .dir-title{font-size:19px;}
.dir-arrow{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:flex;
  align-items:center;justify-content:center;color:var(--brand-600);transition:all .25s var(--ease);
}
.dir-side:hover .dir-arrow,.dir-main:hover .dir-arrow{background:var(--grad-brand);border-color:transparent;color:#fff;}

/* 流程 */
.flow{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{position:relative;padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg);}
.flow-item .step{
  width:44px;height:44px;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.flow-item h3{font-size:18px;margin-bottom:10px;}
.flow-item p{font-size:15px;color:var(--ink-500);}

/* 卡片 */
.card-ayx{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:all .25s var(--ease);
}
.card-ayx:hover{box-shadow:var(--sh-md);transform:translateY(-4px);}
.card-ayx img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid rgba(0,0,0,.06);}
.card-ayx .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-ayx .t{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-ayx .d{font-size:15px;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-ayx .m{font-size:13px;color:var(--ink-300);margin-top:auto;display:flex;gap:12px;align-items:center;}

/* 最新信息列表 */
.list-item{
  display:flex;gap:18px;align-items:flex-start;padding:22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);
  transition:all .25s var(--ease);height:100%;color:inherit;
}
.list-item:hover{background:rgba(241,237,254,.6);box-shadow:var(--sh-md);transform:translateY(-3px);color:inherit;}
.list-date{
  width:72px;flex-shrink:0;border-radius:14px;background:var(--brand-050);color:var(--brand-600);
  text-align:center;padding:10px 6px;font-variant-numeric:tabular-nums;
}
.list-date .cat{font-size:12px;font-weight:700;line-height:1.5;display:block;}
.list-date .time{font-size:11px;color:var(--ink-500);display:block;margin-top:4px;}
.list-body{flex:1;min-width:0;}
.list-body .t{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.list-body .d{font-size:15px;color:var(--ink-500);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.list-body .m{font-size:13px;color:var(--ink-300);display:flex;gap:14px;flex-wrap:wrap;}
.list-arrow{color:var(--brand-300);font-size:14px;align-self:center;transition:all .25s var(--ease);}
.list-item:hover .list-arrow{color:var(--brand-600);transform:translateX(4px);}

/* 空态 */
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--r-lg);background:var(--bg);
  padding:48px 28px;text-align:center;
}
.empty-state i{font-size:40px;color:rgba(91,52,232,.4);}
.empty-state p{font-size:14px;color:var(--ink-500);margin:14px 0 20px;}

/* 相关推荐 */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mini{
  display:flex;gap:16px;align-items:center;padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-sm);transition:all .25s var(--ease);color:inherit;
}
.mini:hover{transform:translateY(-4px);box-shadow:var(--sh-md);color:inherit;}
.mini .sq{
  width:52px;height:52px;border-radius:14px;flex-shrink:0;display:flex;align-items:center;
  justify-content:center;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;
  background:var(--grad-brand);font-size:16px;
}
.mini .tx{font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.mini .sm{font-size:13px;color:var(--ink-500);margin-top:4px;}

/* CTA 条 */
.cta-band{background:var(--dark);color:#fff;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:56px 0;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.2vw,28px);max-width:22ch;line-height:1.4;}
.cta-inner p{color:var(--ink-300);font-size:15px;margin-top:10px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.toast-mini{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:var(--ink-900);color:#fff;font-size:14px;padding:10px 20px;border-radius:999px;
  transition:all .3s var(--ease);z-index:2000;
}
.toast-mini.show{opacity:1;transform:translate(-50%,0);}

/* FAQ */
.ayx-faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md)!important;
  margin-bottom:14px;overflow:hidden;position:relative;
}
.ayx-faq .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);
  opacity:0;transition:opacity .25s var(--ease);
}
.ayx-faq .accordion-item:has(.accordion-button:not(.collapsed)){background:var(--brand-050);}
.ayx-faq .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.ayx-faq .accordion-button{
  background:transparent!important;box-shadow:none!important;color:var(--ink-900);
  font-size:17px;font-weight:600;padding:22px 24px;border-radius:0!important;
}
.ayx-faq .accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;background-image:none;
  color:var(--ink-300);font-size:13px;transition:all .25s var(--ease);
}
.ayx-faq .accordion-button:not(.collapsed)::after{color:var(--brand-600);transform:rotate(180deg);}
.ayx-faq .accordion-body{padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--ink-500);}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--ink-300);border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:72px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{font-size:16px;background:none;color:#fff;-webkit-text-fill-color:#fff;}
.footer-desc{font-size:14px;color:var(--ink-300);max-width:34ch;line-height:1.8;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:var(--ink-300);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-300);
}
.footer-bottom a{color:var(--ink-300);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom a:hover{color:#fff;}

@media (max-width:1199px){
  .cmd-nav a{padding:0 10px;font-size:14px;}
  .cmd-search{width:190px;}
  .dir-main{grid-column:span 6;}
  .dir-side{grid-column:span 3;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .cmd-nav,.cmd-search,.icon-btn{display:none;}
  .menu-toggle{display:flex;align-items:center;justify-content:center;}
  .cmdbar-inner{gap:16px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:56px 0 64px;}
  .hero-visual img{aspect-ratio:16/9;border-radius:24px;}
  .hero-float{right:12px;bottom:-18px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .dir-main,.dir-side{grid-column:span 12;min-height:auto;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .mini-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 32px;}
}
@media (max-width:575px){
  .section{padding:56px 0;}
  .ayx-container{padding:0 16px;}
  .brand-text{font-size:15px;max-width:150px;}
  .btn-cta,.btn-ghost{height:44px;padding:0 18px;font-size:14px;}
  .hero-inner{padding:40px 0 56px;}
  .hero-lead{font-size:16px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px;margin-top:-24px;}
  .stat-card{padding:20px;}
  .dir-main .body,.dir-side{padding:20px;}
  .flow-grid{grid-template-columns:1fr;}
  .list-item{padding:18px;}
  .list-date{width:60px;}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 28px;}
  .cta-inner{padding:44px 0;}
  .hero-float{position:static;margin-top:16px;flex-direction:row;flex-wrap:wrap;}
}

/* roulang page: article */
:root{
  --brand-700:#4726C9;--brand-600:#5B34E8;--brand-500:#6E4CF0;--brand-300:#A695F8;--brand-050:#F1EDFE;
  --accent-600:#0FB3A0;--accent-500:#14C8B2;--warn-500:#FF7A3D;
  --ink-900:#16141F;--ink-700:#3A3650;--ink-500:#6B6785;--ink-300:#A7A3BC;
  --line:#E7E4F2;--bg:#F7F6FC;--surface:#FFFFFF;--dark:#17142A;
  --grad-brand:linear-gradient(120deg,#5B34E8 0%,#8C74F7 45%,#14C8B2 100%);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --r-lg:24px;--r-md:18px;--r-sm:14px;--r-pill:999px;
  --sh-sm:0 1px 2px rgba(22,20,31,.05);
  --sh-md:0 8px 24px -12px rgba(91,52,232,.18);
  --sh-lg:0 24px 60px -24px rgba(23,20,42,.24);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#5B34E8;--bs-body-font-family:var(--font-sans);--bs-body-color:#3A3650;
  --bs-border-radius:14px;--bs-link-color:#5B34E8;--bs-link-hover-color:#4726C9;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.78;color:var(--ink-700);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease)}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:8px}
.ayx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* —— 命令栏导航 —— */
.cmdbar{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.cmdbar.is-scrolled{box-shadow:var(--sh-md)}
.cmdbar-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;max-width:240px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:var(--sh-md);flex:0 0 auto}
.brand-text{font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}
.brand:hover .brand-text{color:var(--brand-600)}
.cmd-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.cmd-nav a{position:relative;display:block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--ink-700);border-radius:10px;line-height:1.4}
.cmd-nav a:hover{color:var(--brand-600);background:var(--brand-050)}
.cmd-nav a.active{color:var(--brand-600)}
.cmd-nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--grad-brand)}
.cmd-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{display:flex;align-items:center;gap:8px;width:240px;padding:0 10px;height:44px;border-radius:12px;background:var(--bg);border:1px solid transparent;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)}
.cmd-search:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(91,52,232,.14)}
.cmd-search i{color:var(--ink-300);font-size:14px}
.cmd-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink-700)}
.cmd-search input::placeholder{color:var(--ink-300)}
.kbd{font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;border:1px solid var(--line);background:#fff;color:var(--ink-500)}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-700);display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-500);box-shadow:var(--sh-md)}
.btn-brand{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border:0;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;box-shadow:var(--sh-sm);transition:transform var(--ease),box-shadow var(--ease),filter var(--ease)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);filter:brightness(1.06)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;color:var(--ink-700);font-size:15px;font-weight:500;transition:all var(--ease)}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh-sm)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px}
.btn-link i{transition:transform var(--ease)}
.btn-link:hover i{transform:translateX(4px)}
.cmd-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-700);margin-left:auto}

/* —— 面包屑 —— */
.crumb-wrap{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--ink-300)}
.crumb .current{color:var(--ink-900);font-weight:500}

/* —— 文章头部卡 —— */
.article-head{padding:24px 0 0}
.head-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:36px}
.badge-cat{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600}
.head-card h1{margin:16px 0 14px;font-size:clamp(28px,3.4vw,40px);line-height:1.28;font-weight:700}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:13px;color:var(--ink-500);padding-bottom:20px;border-bottom:1px solid var(--line)}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row i{color:var(--brand-300)}
.lead{margin:22px 0 0;padding-left:16px;border-left:4px solid;border-image:var(--grad-brand) 1;font-size:16px;color:var(--ink-700);background:linear-gradient(90deg,rgba(241,237,254,.7),rgba(241,237,254,0));padding:14px 18px;border-radius:0 12px 12px 0}
.cover-wrap{margin-top:26px;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(0,0,0,.06)}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* —— 正文布局 —— */
.article-section{padding:48px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
.article-main{min-width:0}
.article-body{max-width:760px;font-size:17px;line-height:1.85;color:var(--ink-700)}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:0}
.article-body h2{position:relative;padding-left:16px;margin-top:2.2em;font-size:clamp(22px,2.2vw,28px);line-height:1.34}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;width:6px;height:1.06em;border-radius:4px;background:var(--grad-brand)}
.article-body h3{margin-top:1.7em;font-size:20px;line-height:1.45;color:var(--brand-600)}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--brand-500)}
.article-body ol{counter-reset:ayxnum}
.article-body ol li::before{counter-increment:ayxnum;content:counter(ayxnum);position:absolute;left:0;top:.1em;width:18px;height:18px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--brand-050);border-left:3px solid var(--brand-600);border-radius:12px;color:var(--ink-700)}
.article-body img{border-radius:16px;margin:1.6em auto;border:1px solid rgba(0,0,0,.06)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-500);margin-top:10px}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700)}
.article-body code{background:var(--brand-050);color:var(--brand-700);padding:2px 6px;border-radius:6px;font-size:15px}
.article-body pre{background:var(--dark);color:#EFEAFE;padding:20px 22px;border-radius:12px;overflow-x:auto;font-size:15px;line-height:1.7}
.article-body pre code{background:transparent;color:inherit;padding:0}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body thead th{background:var(--brand-050);color:var(--brand-700);font-weight:600;text-align:left;padding:14px 16px;white-space:nowrap}
.article-body tbody td{padding:13px 16px;border-top:1px solid var(--line);color:var(--ink-700)}
.article-body tbody tr:nth-child(even){background:#FBFAFF}

/* —— 侧栏 —— */
.article-side{display:none}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);padding:22px}
.side-card+.side-card{margin-top:20px}
.side-title{font-size:14px;font-weight:700;color:var(--ink-900);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list li{display:flex;justify-content:space-between;gap:10px;font-size:14px;color:var(--ink-500);padding:7px 0}
.side-list li b{color:var(--ink-900);font-weight:600}
.side-note{font-size:13px;color:var(--ink-500);line-height:1.7}

/* —— 标签与分享条 —— */
.tail-block{max-width:760px;margin-top:40px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:24px}
.tag-row .label{font-size:13px;color:var(--ink-500)}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:500}
.tag:hover{background:var(--brand-600);color:#fff}
.share-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;border-radius:var(--r-lg);background:var(--dark);color:#fff}
.share-bar p{margin:0;font-size:15px;color:#EFEAFE}
.share-bar .share-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-light-yx{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:all var(--ease)}
.btn-light-yx:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-light-yx.solid{background:var(--grad-brand);border-color:transparent}
.toast-tip{font-size:13px;color:var(--accent-500);min-height:18px}

/* —— 相关推荐 —— */
.rec-section{padding:0 0 72px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px)}
.sec-head p{margin:6px 0 0;font-size:14px;color:var(--ink-500)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--brand-300)}
.rec-card .thumb{margin:0}
.rec-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rec-card .rec-body{padding:22px}
.rec-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card h3 a{color:var(--ink-900)}
.rec-card h3 a:hover{color:var(--brand-600)}
.rec-card p{margin:10px 0 0;font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--ink-300)}
.back-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;padding-bottom:80px}

/* —— 空态 —— */
.empty-state{max-width:760px;padding:52px 28px;text-align:center;border:1.5px dashed var(--line);border-radius:var(--r-lg);background:var(--bg)}
.empty-state i{font-size:40px;color:rgba(91,52,232,.4)}
.empty-state h2{margin:16px 0 8px;font-size:22px}
.empty-state p{font-size:14px;color:var(--ink-500);margin-bottom:20px}

/* —— 页脚 —— */
.site-footer{background:var(--dark);color:var(--ink-300);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--grad-brand);color:#fff}
.footer-brand .brand-text{color:#fff;font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:210px}
.footer-desc{font-size:14px;color:var(--ink-300);line-height:1.75;margin:0;max-width:280px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-links span{font-size:14px;color:var(--ink-300)}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:var(--ink-300)}
.footer-bottom a{color:var(--ink-300)}
.footer-bottom a:hover{color:#fff}

/* —— 响应式 —— */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 260px;justify-content:center}
  .article-side{display:block;position:sticky;top:100px;align-self:start}
}
@media (max-width:1199px){
  .rec-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991px){
  .cmdbar-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;min-height:auto}
  .cmd-toggle{display:flex;align-items:center;justify-content:center}
  .cmd-nav{flex-direction:column;align-items:stretch;width:100%;margin:8px 0 0;gap:2px}
  .cmd-nav a{padding:12px 14px;font-size:15px;border-radius:12px}
  .cmd-nav a.active::after{display:none}
  .cmd-nav a.active{background:var(--brand-050)}
  .cmd-tools{width:100%;margin:10px 0 0}
  .cmd-search{width:100%}
  .cmd-tools .btn-brand{display:none}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .head-card{padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .article-section{padding:36px 0 56px}
  .rec-section{padding-bottom:56px}
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .share-bar{padding:20px}
  .back-row{padding-bottom:60px}
}
@media (max-width:575px){
  .brand-text{max-width:120px;font-size:15px}
  .head-card{padding:20px}
  .lead{padding:12px 14px}
  .article-body{font-size:16.5px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-700:#4726C9;--brand-600:#5B34E8;--brand-500:#6E4CF0;--brand-300:#A695F8;--brand-050:#F1EDFE;
  --accent-600:#0FB3A0;--accent-500:#14C8B2;--warn-500:#FF7A3D;
  --ink-900:#16141F;--ink-700:#3A3650;--ink-500:#6B6785;--ink-300:#A7A3BC;
  --line:#E7E4F2;--bg:#F7F6FC;--surface:#FFFFFF;--dark:#17142A;
  --grad-brand:linear-gradient(120deg,#5B34E8 0%,#8C74F7 45%,#14C8B2 100%);
  --sh-sm:0 1px 2px rgba(22,20,31,.05);
  --sh-md:0 8px 24px -12px rgba(91,52,232,.18);
  --sh-lg:0 24px 60px -24px rgba(23,20,42,.24);
  --r-lg:24px;--r-md:18px;--r-sm:14px;--r-pill:999px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#5B34E8;--bs-body-font-family:var(--font-sans);--bs-body-color:#3A3650;
  --bs-border-radius:14px;--bs-link-color:#5B34E8;--bs-link-hover-color:#4726C9;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.78;color:var(--ink-700);
  background:var(--bg);overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.28;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:6px;}

.ayx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head p{margin-top:10px;color:var(--ink-500);font-size:15px;max-width:60ch;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;}

/* ============ 命令栏导航 ============ */
.ayx-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);}
.ayx-header.is-scrolled{box-shadow:var(--sh-md);}
.cmdbar{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;max-width:240px;text-decoration:none;}
.brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:16px;box-shadow:var(--sh-md);}
.brand-text{font-size:16px;font-weight:700;color:var(--ink-900);white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;max-width:190px;}
.brand:hover .brand-text{color:var(--brand-600);}
.cmd-nav{display:flex;align-items:center;gap:2px;flex:1 1 auto;min-width:0;}
.cmd-nav a{position:relative;padding:9px 13px;font-size:15px;font-weight:500;color:var(--ink-700);
  border-radius:10px;white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease);}
.cmd-nav a:hover{color:var(--brand-600);background:var(--brand-050);}
.cmd-nav a.active{color:var(--brand-600);}
.cmd-nav a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-brand);}
.cmd-tools{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.command-search{display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 12px;
  background:var(--bg);border:1px solid var(--line);border-radius:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.command-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(110,76,240,.14);background:#fff;}
.command-search i{color:var(--ink-300);font-size:13px;}
.command-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink-700);}
.command-search input::placeholder{color:var(--ink-300);}
.kbd{font-size:12px;color:var(--ink-500);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;line-height:1.6;}
.icon-btn{width:40px;height:40px;flex:0 0 40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink-700);display:grid;place-items:center;font-size:15px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 22px;
  border:0;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  text-decoration:none;white-space:nowrap;box-shadow:var(--sh-sm);cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);}
.btn-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;color:var(--ink-700);
  font-size:15px;font-weight:600;text-decoration:none;white-space:nowrap;cursor:pointer;
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);}
.btn-text i{transition:transform .25s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink-700);font-size:17px;cursor:pointer;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 18px;}
.mobile-panel a{display:block;padding:12px 24px;font-size:15px;font-weight:500;color:var(--ink-700);}
.mobile-panel a.active{color:var(--brand-600);background:var(--brand-050);}
.mobile-panel .mobile-cta{margin:12px 24px 0;}

/* ============ 面包屑 ============ */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-500);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li::after{content:"/";margin-left:8px;color:var(--ink-300);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-600);}
.crumb .current{color:var(--ink-900);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;padding:32px 0 72px;background:
  radial-gradient(900px 420px at 88% -10%,rgba(110,76,240,.12),transparent 60%),
  radial-gradient(620px 340px at 4% 0%,rgba(20,200,178,.10),transparent 62%),var(--bg);}
.cat-hero::before{content:"";position:absolute;inset:0 0 auto 0;height:7px;background:var(--grad-brand);}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.cat-hero h1{margin:14px 0 16px;}
.cat-lede{font-size:17px;color:var(--ink-500);max-width:56ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cat-hero-media{position:relative;border-radius:28px;overflow:hidden;background:var(--grad-brand);
  box-shadow:var(--sh-lg);aspect-ratio:16/10;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;}
.media-badges{position:absolute;left:20px;bottom:20px;display:flex;flex-wrap:wrap;gap:10px;}
.media-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--ink-900);font-size:13px;font-weight:600;
  box-shadow:var(--sh-sm);border:1px solid rgba(255,255,255,.6);}
.media-badge i{color:var(--accent-600);}

/* ============ 数据徽章行 ============ */
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:-38px;position:relative;z-index:2;}
.stat-card{display:flex;align-items:center;gap:16px;padding:24px 26px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);}
.stat-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px);}
.stat-icon{width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--brand-050);
  color:var(--brand-600);display:grid;place-items:center;font-size:17px;}
.stat-num{font-size:24px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num small{font-size:13px;font-weight:600;color:var(--brand-600);margin-left:2px;}
.stat-label{font-size:12px;color:var(--ink-500);margin-top:2px;}

/* ============ 主体：目录 + 卡片 ============ */
.content-grid{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start;}
.side-nav{position:sticky;top:96px;}
.side-nav-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-sm);}
.side-title{font-size:12px;font-weight:700;color:var(--ink-300);letter-spacing:.04em;margin-bottom:12px;}
.side-link{display:block;padding:9px 12px;border-radius:10px;font-size:14px;font-weight:500;
  color:var(--ink-700);border-left:3px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.side-link:hover{background:var(--brand-050);color:var(--brand-600);}
.side-link.is-active{background:var(--brand-050);color:var(--brand-600);border-left-color:var(--brand-600);}
.side-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-500);line-height:1.7;}

.card-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.path-card{position:relative;display:flex;flex-direction:column;gap:12px;padding:28px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);text-decoration:none;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);}
.path-card:hover{border-color:var(--brand-300);box-shadow:var(--sh-md);transform:translateY(-4px);}
.path-no{font-size:13px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;
  background:var(--brand-050);border-radius:var(--r-pill);padding:4px 12px;align-self:flex-start;}
.path-card h3{color:var(--ink-900);}
.path-card p{font-size:14px;color:var(--ink-500);}
.path-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.tag-pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent-600);
  background:rgba(20,200,178,.10);border-radius:var(--r-pill);padding:4px 12px;}
.path-arrow{width:34px;height:34px;border-radius:50%;background:var(--bg);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-600);font-size:13px;transition:transform .25s var(--ease),background .25s var(--ease);}
.path-card:hover .path-arrow{background:var(--brand-050);transform:translateX(4px);}

/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center;}
.split-media{border-radius:var(--r-lg);overflow:hidden;background:var(--grad-brand);
  box-shadow:var(--sh-lg);aspect-ratio:16/10;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{margin-bottom:16px;}
.split-body p{color:var(--ink-500);}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-700);}
.check-list i{color:var(--accent-600);font-size:15px;margin-top:5px;}

/* ============ 步骤区 ============ */
.steps-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{position:relative;padding:28px 24px;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r-lg);transition:transform .25s var(--ease),box-shadow .25s var(--ease);}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.step-dot{width:38px;height:38px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;box-shadow:var(--sh-md);}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-500);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:background .25s var(--ease),border-color .25s var(--ease);}
.faq-item:has(.collapse.show){background:var(--brand-050);border-color:var(--brand-300);}
.faq-item:has(.collapse.show)::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);}
.faq-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;
  color:var(--ink-900);cursor:pointer;}
.faq-head i{color:var(--ink-300);font-size:14px;transition:transform .3s var(--ease),color .3s var(--ease);flex:0 0 auto;}
.faq-head[aria-expanded="true"] i{transform:rotate(180deg);color:var(--brand-600);}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-700);}

/* ============ CTA 条 ============ */
.cta-band{background:var(--dark);border-radius:var(--r-lg);padding:48px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:var(--grad-brand);opacity:.28;filter:blur(10px);}
.cta-band h2{color:#fff;font-size:clamp(22px,2.2vw,28px);position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:8px;position:relative;z-index:1;}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.btn-ghost.on-dark{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.btn-ghost.on-dark:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--ink-300);border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px;}
.footer-brand .brand-text{color:#fff;font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px;}
.footer-desc{font-size:14px;color:var(--ink-300);max-width:34ch;line-height:1.7;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--ink-300);}
.footer-links a:hover{color:#fff;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-300);}
.footer-bottom a{color:var(--ink-300);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cmd-tools .command-search{width:190px;}
  .cmd-nav a{padding:9px 10px;font-size:14px;}
}
@media (max-width:991.98px){
  .cmd-nav,.cmd-tools{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .ayx-header.nav-open .mobile-panel{display:block;}
  .section{padding:72px 0;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media{order:-1;aspect-ratio:16/9;}
  .stats-row{grid-template-columns:repeat(3,1fr);margin-top:32px;}
  .content-grid{grid-template-columns:1fr;}
  .side-nav{position:static;}
  .side-nav-card{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:14px;}
  .side-title{width:100%;margin-bottom:4px;}
  .side-link{border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 14px;font-size:13px;}
  .side-link.is-active{border-color:var(--brand-300);}
  .side-note{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:16px;}
  .card-grid-2{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .brand-text{max-width:130px;}
  .footer-grid{gap:24px;}
}
@media (max-width:575.98px){
  .ayx-container{padding:0 18px;}
  .stats-row{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .path-card{padding:20px;}
  .faq-head{padding:16px 18px;font-size:16px;}
  .faq-body{padding:0 18px 18px;}
  .brand-text{max-width:104px;font-size:14px;}
  .cat-hero{padding-bottom:48px;}
  .cta-band-actions{width:100%;}
  .cta-band-actions a{flex:1 1 auto;justify-content:center;}
}

/* roulang page: category3 */
:root{
  --brand-700:#4726C9;
  --brand-600:#5B34E8;
  --brand-500:#6E4CF0;
  --brand-300:#A695F8;
  --brand-050:#F1EDFE;
  --accent-600:#0FB3A0;
  --accent-500:#14C8B2;
  --warn-500:#FF7A3D;
  --ink-900:#16141F;
  --ink-700:#3A3650;
  --ink-500:#6B6785;
  --ink-300:#A7A3BC;
  --line:#E7E4F2;
  --bg:#F7F6FC;
  --surface:#FFFFFF;
  --dark:#17142A;
  --grad-brand:linear-gradient(120deg,#5B34E8 0%,#8C74F7 45%,#14C8B2 100%);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --sh-sm:0 1px 2px rgba(22,20,31,.05);
  --sh-md:0 8px 24px -12px rgba(91,52,232,.18);
  --sh-lg:0 24px 60px -24px rgba(23,20,42,.24);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --ease:.25s cubic-bezier(.2,.7,.3,1);

  --bs-primary:#5B34E8;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#3A3650;
  --bs-border-radius:18px;
  --bs-link-color:#5B34E8;
  --bs-link-hover-color:#4726C9;
  --bs-body-bg:#F7F6FC;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.28;}
p{margin:0 0 1.1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

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

/* ---------- 命令栏导航 ---------- */
.cmdbar{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.cmdbar.is-scrolled{box-shadow:var(--sh-md);}
.cmdbar-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink-900);
}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;
  font-size:17px;
  box-shadow:var(--sh-md);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  max-width:240px;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.cmd-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  min-width:0;
}
.cmd-nav a{
  position:relative;
  padding:22px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  white-space:nowrap;
  transition:color var(--ease);
}
.cmd-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:14px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.cmd-nav a:hover{color:var(--brand-600);}
.cmd-nav a:hover::after{transform:scaleX(1);}
.cmd-nav a.active{color:var(--brand-600);font-weight:600;}
.cmd-nav a.active::after{transform:scaleX(1);}
.cmd-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.command-search{
  position:relative;
  display:flex;
  align-items:center;
  width:240px;
  height:42px;
  padding:0 10px 0 38px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.command-search i{
  position:absolute;
  left:14px;
  font-size:14px;
  color:var(--ink-300);
}
.command-search input{
  flex:1;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  font-family:inherit;
  color:var(--ink-900);
}
.command-search input::placeholder{color:var(--ink-300);}
.command-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(110,76,240,.14);
}
.kbd{
  flex-shrink:0;
  font-size:12px;
  color:var(--ink-500);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  font-variant-numeric:tabular-nums;
}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink-700);
  transition:all var(--ease);
}
.icon-btn:hover{
  color:var(--brand-600);
  border-color:var(--brand-500);
  transform:translateY(-2px);
  box-shadow:var(--sh-md);
}
.btn-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  border:0;
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-md);
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-cta:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:var(--sh-lg);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink-700);
  font-size:15px;
  font-weight:600;
  transition:all var(--ease);
}
.btn-ghost:hover{
  border-color:var(--brand-500);
  color:var(--brand-600);
  transform:translateY(-2px);
}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-600);
}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  color:var(--ink-700);
  font-size:17px;
}
.mobile-nav{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  padding:8px 24px 18px;
}
.mobile-nav a{
  display:block;
  padding:13px 4px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a.active{color:var(--brand-600);font-weight:600;}
.mobile-nav.is-open{display:block;}

/* ---------- 面包屑 ---------- */
.crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--ink-500);
}
.crumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumb-list li{display:flex;align-items:center;gap:8px;}
.crumb-list li + li::before{content:"/";color:var(--ink-300);}
.crumb-list a{color:var(--ink-500);}
.crumb-list a:hover{color:var(--brand-600);}
.crumb-list .current{color:var(--ink-900);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  padding:32px 0 0;
}
.cat-hero-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-sm);
}
.cat-hero-card::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:7px;
  background:var(--grad-brand);
}
.cat-hero-body{
  padding:44px 40px 0;
  max-width:840px;
}
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
}
.status-badge i{font-size:12px;}
.cat-hero h1{
  margin:18px 0 14px;
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.22;
}
.cat-hero .lead{
  font-size:16px;
  color:var(--ink-500);
  max-width:60ch;
  margin-bottom:0;
}
.cat-hero-banner{
  margin-top:32px;
  padding:0 40px 40px;
}
.cat-hero-banner img{
  width:100%;
  aspect-ratio:21/8;
  object-fit:cover;
  border-radius:var(--r-md);
  border:1px solid rgba(0,0,0,.06);
  background:linear-gradient(120deg,#5B34E8 0%,#8C74F7 45%,#14C8B2 100%);
}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-title{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.28;
}
.section-desc{
  font-size:15px;
  color:var(--ink-500);
  margin-top:10px;
  max-width:72ch;
}

/* ---------- 文档布局 ---------- */
.doc-layout{
  display:grid;
  grid-template-columns:minmax(0,860px) 300px;
  gap:48px;
  align-items:start;
}
.doc-main{min-width:0;}
.doc-aside{min-width:0;}
.aside-card{
  position:sticky;
  top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:box-shadow var(--ease),transform var(--ease);
}
.aside-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px);}
.aside-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,#5B34E8 0%,#8C74F7 45%,#14C8B2 100%);
}
.aside-body{padding:24px;}
.aside-title{
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.aside-title i{color:var(--brand-600);}
.aside-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--ink-500);
  margin-bottom:10px;
  line-height:1.7;
}
.aside-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--grad-brand);
}
.aside-list li:last-child{margin-bottom:0;}

/* ---------- 正文段落与步骤 ---------- */
.prose{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px;
  box-shadow:var(--sh-sm);
}
.prose p{
  font-size:16px;
  color:var(--ink-700);
  max-width:72ch;
}
.prose h2{
  font-size:22px;
  margin:32px 0 16px;
  padding-left:14px;
  position:relative;
}
.prose h2::before{
  content:"";
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:6px;
  border-radius:4px;
  background:var(--grad-brand);
}
.prose h2:first-child{margin-top:0;}
.step-list{
  counter-reset:step;
  display:grid;
  gap:14px;
  margin:22px 0 6px;
}
.step-list li{
  counter-increment:step;
  position:relative;
  padding:18px 22px 18px 68px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--ink-700);
  transition:border-color var(--ease),background var(--ease);
}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:20px;top:50%;
  transform:translateY(-50%);
  font-size:18px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--brand-600);
}
.step-list li:hover{border-color:var(--brand-300);background:var(--brand-050);}

/* ---------- 对照表格 ---------- */
.table-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:32px;
}
.table-wrap{
  overflow-x:auto;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
}
.cmp-table{
  width:100%;
  min-width:660px;
  border-collapse:collapse;
  font-size:15px;
}
.cmp-table thead th{
  background:var(--brand-050);
  color:var(--brand-700);
  font-weight:600;
  text-align:left;
  padding:15px 18px;
  white-space:nowrap;
  font-size:14px;
}
.cmp-table tbody td{
  padding:15px 18px;
  border-top:1px solid var(--line);
  color:var(--ink-700);
  vertical-align:top;
}
.cmp-table tbody tr:nth-child(even){background:rgba(247,246,252,.7);}
.cmp-table tbody tr:hover{background:rgba(241,237,254,.65);}
.cmp-table td:first-child{font-weight:600;color:var(--ink-900);}

/* ---------- FAQ ---------- */
.faq-list{
  display:grid;
  gap:12px;
}
.faq-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad-brand);
  opacity:0;
  transition:opacity var(--ease);
}
.faq-item:hover{border-color:var(--brand-300);box-shadow:var(--sh-sm);}
.faq-item[open]{background:var(--brand-050);border-color:var(--brand-300);}
.faq-item[open]::before{opacity:1;}
.faq-q{
  list-style:none;
  cursor:pointer;
  padding:20px 56px 20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  position:relative;
  user-select:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q i{
  position:absolute;
  right:24px;top:50%;
  transform:translateY(-50%);
  font-size:14px;
  color:var(--ink-300);
  transition:transform var(--ease),color var(--ease);
}
.faq-item[open] .faq-q i{
  transform:translateY(-50%) rotate(180deg);
  color:var(--brand-600);
}
.faq-a{
  padding:0 24px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
  max-width:72ch;
}
.faq-a p:last-child{margin-bottom:0;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin-top:64px;
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);
}
.cta-band-text{
  color:#fff;
  font-size:17px;
  font-weight:600;
  max-width:52ch;
}
.cta-band-text span{
  display:block;
  font-size:14px;
  font-weight:400;
  color:var(--ink-300);
  margin-top:6px;
}
.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.28);
  color:#fff;
}
.cta-band .btn-ghost:hover{
  border-color:var(--accent-500);
  color:var(--accent-500);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--dark);
  color:var(--ink-300);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  width:36px;height:36px;
  border-radius:11px;
  display:grid;place-items:center;
  background:var(--grad-brand);
  color:#fff;
  font-size:16px;
}
.footer-brand .brand-text{
  font-size:16px;
  font-weight:700;
  color:#fff;
  background:none;
  -webkit-text-fill-color:#fff;
}
.footer-desc{
  font-size:14px;
  color:var(--ink-300);
  line-height:1.8;
  max-width:34ch;
  margin-bottom:0;
}
.footer-title{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  color:var(--ink-300);
  font-size:14px;
  transition:color var(--ease),padding-left var(--ease);
}
.footer-links a:hover{color:var(--accent-500);padding-left:3px;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-300);
}
.footer-bottom a{color:var(--ink-300);}
.footer-bottom a:hover{color:var(--accent-500);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .doc-layout{grid-template-columns:1fr;gap:32px;}
  .aside-card{position:static;}
  .command-search{width:190px;}
}
@media (max-width:991.98px){
  .cmd-nav{display:none;}
  .command-search{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .cmdbar-inner{gap:16px;}
  .section{padding:72px 0 0;}
  .cat-hero-body{padding:36px 28px 0;}
  .cat-hero-banner{padding:0 28px 28px;}
  .prose{padding:28px;}
  .table-block{padding:24px;}
  .cta-band{padding:30px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .ayx-container{padding:0 18px;}
  .brand-text{font-size:15px;max-width:150px;}
  .section{padding:56px 0 0;}
  .site-footer{padding:48px 0 22px;margin-top:72px;}
  .cta-band{margin-top:48px;}
}
@media (max-width:575.98px){
  .brand-text{max-width:86px;}
  .cat-hero-body{padding:28px 20px 0;}
  .cat-hero-banner{padding:0 20px 20px;}
  .cat-hero-banner img{aspect-ratio:16/9;}
  .prose{padding:22px;}
  .table-block{padding:18px;}
  .step-list li{padding:16px 18px 16px 60px;}
  .faq-q{padding:18px 48px 18px 20px;font-size:16px;}
  .faq-a{padding:0 20px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:26px 20px;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn-cta,
  .cta-band-actions .btn-ghost{flex:1;justify-content:center;}
}

/* roulang page: category2 */
:root{
  --brand-700:#4726C9;--brand-600:#5B34E8;--brand-500:#6E4CF0;--brand-300:#A695F8;--brand-050:#F1EDFE;
  --accent-600:#0FB3A0;--accent-500:#14C8B2;--warn-500:#FF7A3D;
  --ink-900:#16141F;--ink-700:#3A3650;--ink-500:#6B6785;--ink-300:#A7A3BC;
  --line:#E7E4F2;--bg:#F7F6FC;--surface:#FFFFFF;--dark:#17142A;
  --grad-brand:linear-gradient(120deg,#5B34E8 0%,#8C74F7 45%,#14C8B2 100%);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --sh-sm:0 1px 2px rgba(22,20,31,.05);
  --sh-md:0 8px 24px -12px rgba(91,52,232,.18);
  --sh-lg:0 24px 60px -24px rgba(23,20,42,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --r-lg:24px;--r-md:18px;--r-sm:14px;
  --bs-primary:#5B34E8;--bs-body-font-family:var(--font-sans);--bs-body-color:#3A3650;
  --bs-border-radius:0.9rem;--bs-link-color:#5B34E8;--bs-link-hover-color:#4726C9;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.78;color:var(--ink-700);background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.ayx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--surface)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28}
.sec-head p{margin-top:10px;color:var(--ink-500);font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:var(--brand-050);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.eyebrow i{font-size:12px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);white-space:nowrap}
.text-link i{transition:transform .25s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* 命令栏导航 */
.cmdbar{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.cmdbar.is-scrolled{box-shadow:var(--sh-md)}
.cmdbar-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;max-width:280px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:var(--sh-sm)}
.brand-text{max-width:240px;font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bt-short{display:none}
.cmd-nav{display:flex;align-items:center;gap:28px;margin:0 auto}
.cmd-nav a{position:relative;font-size:15px;font-weight:500;color:var(--ink-700);padding:25px 0;transition:color .25s var(--ease)}
.cmd-nav a:hover{color:var(--brand-600)}
.cmd-nav a.active{color:var(--brand-600);font-weight:600}
.cmd-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;border-radius:2px;background:var(--grad-brand)}
.cmd-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cmd-search{display:flex;align-items:center;gap:8px;width:240px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:0 12px;height:42px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.cmd-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(91,52,232,.12)}
.cmd-search i{color:var(--ink-300);font-size:13px}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--ink-900);outline:none}
.cmd-search input::placeholder{color:var(--ink-300)}
.kbd{font-size:11px;color:var(--ink-500);background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;line-height:1.6}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-700);display:flex;align-items:center;justify-content:center;transition:all .25s var(--ease)}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-600)}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:999px;border:0;background:var(--grad-brand);color:#fff!important;font-size:15px;font-weight:600;box-shadow:var(--sh-sm);transition:all .25s var(--ease)}
.btn-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-md)}
.btn-cta:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-700)!important;font-size:15px;font-weight:600;transition:all .25s var(--ease)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600)!important;transform:translateY(-2px)}
.btn-ghost-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.28);color:#fff!important;font-size:15px;font-weight:600;transition:all .25s var(--ease)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-700);align-items:center;justify-content:center;font-size:16px}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px}
.mobile-nav a{display:block;padding:12px 24px;font-size:15px;font-weight:500;color:var(--ink-700)}
.mobile-nav a.active{color:var(--brand-600);font-weight:600}
.mobile-nav.is-open{display:block}

/* Hero */
.page-hero{position:relative;padding:40px 0 72px;background:linear-gradient(180deg,#FBF9FF 0%,var(--bg) 100%)}
.page-hero::before{content:"";position:absolute;top:0;left:0;right:0;height:7px;background:var(--grad-brand)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin:24px 0 28px}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs span.sep{color:var(--ink-300)}
.crumbs .current{color:var(--ink-900);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.badge-soft{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:var(--brand-050);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.badge-soft.warn{color:#C1511F;background:#FFF1E9}
.page-hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:700}
.hero-lead{margin-top:16px;font-size:17px;color:var(--ink-500);max-width:44ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--sh-lg);background:linear-gradient(135deg,#5B34E8,#14C8B2)}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.hero-media img.is-broken{opacity:0}
.float-badge{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.96);border-radius:16px;padding:10px 16px;font-size:13px;color:var(--ink-500);box-shadow:var(--sh-md);display:flex;align-items:center;gap:8px}
.float-badge b{font-size:20px;color:var(--brand-600);font-variant-numeric:tabular-nums}

/* 数据徽章行 */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.badge-data{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px;box-shadow:var(--sh-sm);display:flex;align-items:center;gap:16px;transition:all .25s var(--ease)}
.badge-data:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.badge-data .bd-icon{width:44px;height:44px;border-radius:14px;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 auto}
.badge-data .bd-num{font-size:22px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2}
.badge-data .bd-num small{font-size:13px;font-weight:600;color:var(--ink-500);margin-left:2px}
.badge-data .bd-label{font-size:12px;color:var(--ink-500);margin-top:2px}

/* 主题合集卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:all .25s var(--ease);display:flex;flex-direction:column}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.thumb{position:relative;background:linear-gradient(135deg,#5B34E8,#14C8B2);aspect-ratio:16/9;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1;transition:transform .4s var(--ease)}
.topic-card:hover .thumb img{transform:scale(1.04)}
.thumb img.is-broken{opacity:0}
.thumb-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.85);font-size:28px}
.topic-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--brand-600);background:var(--brand-050);border-radius:999px;padding:4px 12px}
.topic-date{font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.topic-body h3{font-size:19px;line-height:1.45}
.topic-body p{font-size:14.5px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-500)}
.topic-foot a{font-weight:600;display:inline-flex;align-items:center;gap:6px}
.topic-foot a i{transition:transform .25s var(--ease)}
.topic-foot a:hover i{transform:translateX(4px)}

/* 时间线 */
.timeline{position:relative;margin-top:8px;padding-left:40px}
.timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,#5B34E8,#14C8B2)}
.tl-item{position:relative;padding:0 0 32px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-40px;top:6px;width:24px;height:24px;border-radius:50%;background:var(--grad-brand);border:4px solid #fff;box-shadow:0 0 0 1px var(--line)}
.tl-step{font-size:12px;font-weight:700;color:var(--brand-600);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.tl-item h3{font-size:19px;margin-top:6px}
.tl-item p{margin-top:8px;font-size:15px;color:var(--ink-500);max-width:64ch}

/* 分区入口 */
.tag-row{display:flex;flex-wrap:wrap;gap:12px}
.tag-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-700);background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 18px;transition:all .25s var(--ease)}
.tag-link:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-sm)}
.tag-link i{color:var(--brand-500);font-size:12px}
.notice-bar{display:flex;gap:16px;align-items:flex-start;background:var(--brand-050);border:1px solid #DED5FB;border-radius:var(--r-md);padding:20px 24px;margin-top:28px}
.notice-bar i{color:var(--brand-600);font-size:18px;margin-top:3px}
.notice-bar p{font-size:14.5px;color:var(--ink-700)}

/* FAQ */
.ayx-faq .accordion-item{border:1px solid var(--line);border-radius:18px!important;background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-sm)}
.ayx-faq .accordion-button{width:100%;background:#fff;border:0;box-shadow:none!important;font-size:17px;font-weight:600;color:var(--ink-900);padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left}
.ayx-faq .accordion-button::after{display:none}
.ayx-faq .accordion-button:not(.collapsed){background:var(--brand-050);color:var(--brand-700)}
.ayx-faq .accordion-button .faq-caret{transition:transform .25s var(--ease),color .25s var(--ease);color:var(--ink-300)}
.ayx-faq .accordion-button:not(.collapsed) .faq-caret{transform:rotate(180deg);color:var(--brand-600)}
.ayx-faq .accordion-item:has(.accordion-button:not(.collapsed)){position:relative}
.ayx-faq .accordion-item:has(.accordion-button:not(.collapsed))::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);z-index:2}
.ayx-faq .accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-700);background:var(--brand-050)}
.ayx-faq .accordion-button:focus{outline:none}

/* CTA 条 */
.cta-band{background:var(--dark);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(20px,2vw,26px);line-height:1.4}
.cta-band p{color:var(--ink-300);font-size:14.5px;margin-top:8px}
.cta-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;position:relative}
.toast-box{position:absolute;right:0;bottom:-46px;background:#fff;color:var(--ink-900);font-size:13px;font-weight:600;padding:8px 16px;border-radius:999px;box-shadow:var(--sh-md);white-space:nowrap}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--ink-300);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;font-size:15px}
.footer-brand .brand-text{color:#fff;font-size:16px;font-weight:700;max-width:240px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.footer-desc{font-size:14px;color:var(--ink-300);max-width:34ch}
.footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-links span{font-size:14px;color:var(--ink-300);transition:color .25s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-300)}
.footer-bottom a{color:var(--ink-300)}
.footer-bottom a:hover{color:#fff}

@media (max-width:1199.98px){
  .cmd-search{width:200px}
  .cmd-nav{gap:20px}
}
@media (max-width:991.98px){
  .cmd-nav{display:none}
  .cmd-search{display:none}
  .menu-toggle{display:flex}
  .cmdbar-inner{justify-content:space-between;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767.98px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:575.98px){
  .ayx-container{padding:0 18px}
  .section{padding:56px 0}
  .bt-full{display:none}
  .bt-short{display:inline}
  .brand-text{font-size:16px;max-width:120px}
  .card-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .page-hero{padding:24px 0 56px}
  .topic-body{padding:20px}
  .badge-data{padding:18px 20px}
  .timeline{padding-left:34px}
  .tl-dot{left:-34px}
}