/* roulang page: index */
:root{
  --brand:#6C3BFF;
  --brand-2:#C13BFF;
  --grad:linear-gradient(45deg,#6C3BFF 0%,#C13BFF 100%);
  --mint:#16D6B0;
  --orange:#FF8A3D;
  --night:#120E24;
  --page:#F5F3FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#2A2540;
  --muted:#6B6584;
  --disabled:#A9A3BE;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 28px rgba(48,26,120,.08);
  --sh-2:0 16px 40px rgba(72,36,180,.16);
  --sh-dark:0 10px 30px rgba(0,0,0,.28);
  --t:.25s cubic-bezier(.4,0,.2,1);
  --sec:100px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 1.15em;text-indent:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(108,59,255,.35);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1280px){.container{max-width:1320px}}
@media (max-width:640px){.container{padding:0 20px}}
.section{padding:var(--sec) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:42px;flex-wrap:wrap}
.section-head h2{margin-bottom:12px}
.section-head p{margin:0;color:var(--muted);max-width:660px;font-size:16px}
.section-head.light h2{color:#fff}
.section-head.light p{color:rgba(255,255,255,.72)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand);background:rgba(108,59,255,.09);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:20px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:var(--t);white-space:nowrap}
.btn i{font-size:13px;transition:transform var(--t)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(108,59,255,.32)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,59,255,.42);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:rgba(108,59,255,.55);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand)}
.link-more i{transition:transform var(--t)}
.link-more:hover i{transform:translateX(4px)}

/* ===== 徽章 ===== */
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;line-height:1;padding:8px 14px;border-radius:var(--r-pill);background:rgba(108,59,255,.08);color:var(--brand);border:1px solid rgba(108,59,255,.14)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.badge-mint{background:rgba(22,214,176,.12);color:#0E9B80;border-color:rgba(22,214,176,.28)}
.badge-orange{background:rgba(255,138,61,.13);color:#C25E17;border-color:rgba(255,138,61,.3)}
.badge-dark{background:rgba(255,255,255,.08);color:rgba(255,255,255,.86);border-color:rgba(255,255,255,.16)}
.badge-brand{background:rgba(108,59,255,.09);color:var(--brand);border-color:rgba(108,59,255,.16)}

/* ===== 头部导航 ===== */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(48,26,120,.09)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--text);letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;box-shadow:0 6px 16px rgba(108,59,255,.36)}
.brand-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;padding:9px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--text);transition:var(--t)}
.nav-link:hover{color:var(--brand);background:rgba(108,59,255,.08)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--grad)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.command-search{display:flex;align-items:center;gap:9px;height:40px;padding:0 12px;min-width:236px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;color:var(--muted);transition:var(--t)}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,59,255,.14)}
.command-search i{font-size:13px;color:var(--disabled)}
.command-search input{flex:1;border:0;outline:none;background:transparent;font-size:14px;color:var(--text);min-width:0}
.command-search input::placeholder{color:var(--disabled)}
.kbd{font-size:11px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 6px;background:var(--page);white-space:nowrap}
.quick-link{font-size:14px;font-weight:500;color:var(--muted);padding:8px 6px;transition:var(--t)}
.quick-link:hover{color:var(--brand)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:var(--t)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{position:fixed;inset:0;top:0;z-index:70;background:#fff;padding:96px 24px 120px;overflow-y:auto;transform:translateY(-12px);opacity:0;visibility:hidden;transition:var(--t)}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-item{display:block;font-size:17px;font-weight:600;line-height:56px;border-bottom:1px solid var(--line);color:var(--text)}
.drawer-item.is-active{color:var(--brand)}
.drawer-foot{position:fixed;left:24px;right:24px;bottom:26px}

/* ===== HERO ===== */
.hero{padding:74px 0 92px;background:
  radial-gradient(880px 420px at 90% -12%, rgba(193,59,255,.16), transparent 62%),
  radial-gradient(680px 380px at 0% 8%, rgba(22,214,176,.13), transparent 60%),
  var(--page);}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
.hero-sub{font-size:19px;line-height:1.65;color:var(--muted);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.float-card{position:absolute;background:#fff;border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--sh-2);border:1px solid var(--line);min-width:132px}
.float-card strong{display:block;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.float-card span{font-size:12.5px;color:var(--muted);line-height:1.4;display:block}
.float-a{left:-22px;bottom:34px}
.float-b{right:-18px;top:30px}

/* ===== 指标看板 ===== */
.stats-band{background:var(--night);padding:88px 0;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-dark)}
.stat-num{font-size:clamp(32px,4vw,46px);font-weight:700;line-height:1;font-variant-numeric:tabular-nums;color:#fff}
.stat-num small{font-size:15px;font-weight:600;margin-left:6px;color:rgba(255,255,255,.66)}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:10px}
.stat-bar{height:4px;border-radius:4px;background:rgba(255,255,255,.12);margin-top:20px;overflow:hidden}
.stat-bar span{display:block;height:100%;border-radius:4px;background:var(--grad)}

/* ===== 服务矩阵 ===== */
.matrix{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.m-cell{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);transition:var(--t);overflow:hidden}
.m-cell::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:var(--t);pointer-events:none}
.m-cell:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.m-cell:hover::after{opacity:1}
.m-big{grid-column:span 3;grid-row:span 2;display:flex;flex-direction:column;gap:18px}
.m-big img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm)}
.m-mid{grid-column:span 3}
.m-small{grid-column:span 2;display:flex;gap:16px;align-items:flex-start}
.m-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:rgba(108,59,255,.09);color:var(--brand);font-size:16px;flex:none}
.m-icon.mint{background:rgba(22,214,176,.13);color:#0E9B80}
.m-icon.orange{background:rgba(255,138,61,.14);color:#C25E17}
.m-cell p{margin:8px 0 0;color:var(--muted);font-size:15px}
.m-big h3{font-size:23px}
.m-big p{font-size:15.5px}
.m-cell .link-more{margin-top:14px}

/* ===== 最新信息 ===== */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.news-feature{grid-column:span 6;display:grid;grid-template-columns:340px 1fr;background:var(--page);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:var(--t)}
.news-feature:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.news-feature img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.news-feature .nf-body{padding:28px}
.news-card{grid-column:span 2;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:var(--t)}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card .nc-body{padding:20px}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.news-meta time{font-size:13px;color:var(--muted)}
.news h3 a{color:var(--text);transition:var(--t)}
.news h3 a:hover{color:var(--brand)}
.news-ex{color:var(--muted);font-size:15px;margin:10px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{grid-column:span 6;display:flex;flex-direction:column;align-items:center;gap:14px;padding:56px 24px;background:var(--page);border:1px dashed var(--line);border-radius:var(--r-md);text-align:center}
.news-empty .ne-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--brand);font-size:18px}
.news-empty p{margin:0;color:var(--muted)}

/* ===== 结果对比 ===== */
.compare-grid{display:grid;grid-template-columns:1fr 76px 1fr;align-items:stretch}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1);display:flex;flex-direction:column}
.compare-col h3{margin-bottom:18px;font-size:21px}
.compare-col ul{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.compare-col li{display:flex;gap:12px;font-size:15.5px;color:var(--muted);line-height:1.65}
.compare-col li i{margin-top:4px;font-size:14px;flex:none}
.good li i{color:var(--mint)}
.bad li i{color:var(--orange)}
.compare-bar{height:6px;border-radius:6px;background:var(--page);overflow:hidden;margin-top:auto}
.compare-bar span{display:block;height:100%;border-radius:6px}
.good .compare-bar span{width:88%;background:linear-gradient(45deg,#16D6B0,#6C3BFF)}
.bad .compare-bar span{width:34%;background:linear-gradient(45deg,#FF8A3D,#C13BFF)}
.compare-vs{display:grid;place-items:center;position:relative}
.compare-vs::before{content:"";position:absolute;top:24px;bottom:24px;left:50%;width:1px;background:var(--line)}
.compare-vs span{position:relative;z-index:1;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--grad);color:#fff;font-weight:700;font-size:15px;box-shadow:0 10px 24px rgba(108,59,255,.34)}

/* ===== FAQ ===== */
.faq{background:var(--page)}
.faq-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:22px 26px;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:var(--t)}
.faq-q:hover{color:var(--brand)}
.faq-q i{font-size:14px;color:var(--disabled);transition:var(--t);flex:none}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{margin:0;padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad)}

/* ===== 转化表单 ===== */
.form-section{padding-bottom:var(--sec)}
.form-card{background:#fff;border-radius:var(--r-lg);box-shadow:0 0 0 1px var(--line),0 0 70px rgba(108,59,255,.10);padding:42px;display:grid;grid-template-columns:.85fr 1.15fr;gap:48px}
.form-intro h2{margin-bottom:14px;font-size:clamp(23px,2.4vw,32px);line-height:1.3}
.form-intro p{color:var(--muted);font-size:15.5px}
.form-intro .badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:span 2}
.field label{font-size:13px;font-weight:600;margin-bottom:8px;color:var(--text)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;font-size:15px;color:var(--text);background:#fff;outline:none;transition:var(--t)}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,59,255,.14)}
.field input::placeholder,.field textarea::placeholder{color:var(--disabled)}
.field .hint{font-size:12.5px;color:var(--disabled);margin-top:6px}
.agree{grid-column:span 2;display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted)}
.agree input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand)}
.form-actions{grid-column:span 2;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-tip{font-size:14px;color:var(--mint);font-weight:600;display:none}
.form-tip.is-show{display:inline-block}

/* ===== 页脚 ===== */
.site-footer{background:var(--night);color:#fff;padding:74px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{color:#fff;font-size:19px}
.footer-brand p{color:rgba(255,255,255,.66);font-size:14.5px;margin:16px 0 18px;max-width:330px}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;line-height:34px;color:rgba(255,255,255,.68);transition:var(--t)}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-bottom p{margin:0;font-size:13.5px;color:rgba(255,255,255,.58)}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  :root{--sec:88px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .header-inner{height:60px}
  .main-nav,.header-right .command-search,.header-right .quick-link{display:none}
  .nav-toggle{display:flex}
  .hero{padding:56px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-sub{max-width:none}
  .float-a{left:12px;bottom:16px}
  .float-b{right:12px;top:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(4,1fr)}
  .m-big{grid-column:span 4;grid-row:auto}
  .m-mid{grid-column:span 2}
  .m-small{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(4,1fr)}
  .news-feature{grid-column:span 4;grid-template-columns:260px 1fr}
  .news-card{grid-column:span 2}
  .compare-grid{grid-template-columns:1fr;gap:22px}
  .compare-vs{display:none}
  .form-card{grid-template-columns:1fr;gap:30px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:640px){
  :root{--sec:48px}
  .brand-text{font-size:17px}
  .section-head{margin-bottom:28px}
  .hero h1{font-size:clamp(27px,7.4vw,34px)}
  .hero-sub{font-size:17px}
  .hero-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .m-big,.m-mid,.m-small{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .news-feature,.news-card{grid-column:span 1}
  .news-feature{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .field.full,.agree,.form-actions{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --brand:#6C3BFF;
  --brand-2:#C13BFF;
  --brand-grad:linear-gradient(45deg,#6C3BFF 0%,#C13BFF 100%);
  --mint:#16D6B0;
  --orange:#FF8A3D;
  --night:#120E24;
  --bg:#F5F3FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#2A2540;
  --muted:#6B6584;
  --disabled:#A9A3BE;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow:0 8px 28px rgba(48,26,120,.08);
  --shadow-hover:0 16px 40px rgba(72,36,180,.16);
  --shadow-dark:0 10px 30px rgba(0,0,0,.28);
  --t:.25s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:#8455ff}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--text)}
p{margin:0 0 1.15em;text-indent:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (min-width:1280px){.container{max-width:1320px}}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(108,59,255,.35);border-radius:8px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(48,26,120,.10)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(108,59,255,.32);
}
.brand-text{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text);transition:background var(--t),color var(--t);
}
.nav-link:hover{color:var(--brand);background:rgba(108,59,255,.07)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-grad);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px 0 14px;
  border:1px solid var(--line);border-radius:999px;background:#F8F6FE;color:var(--muted);
  min-width:250px;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,59,255,.14);background:#fff}
.command-search i{font-size:14px;color:var(--brand)}
.command-search input{
  border:0;background:transparent;outline:none;font-size:14px;color:var(--text);
  flex:1;min-width:70px;padding:0;box-shadow:none;height:auto;margin:0;
}
.command-search input::placeholder{color:var(--disabled)}
.kbd{
  font-size:11px;font-weight:600;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:3px 8px;white-space:nowrap;
}
.quick-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.quick-link:hover{color:#8455ff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  font-size:16px;font-weight:600;padding:0 26px;height:46px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(108,59,255,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,59,255,.36)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(108,59,255,.05);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 22px;font-size:14.5px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:17px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(108,59,255,.08);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:999px;line-height:1.5;
}
.badge-brand{color:var(--brand);background:rgba(108,59,255,.09)}
.badge-mint{color:#0B8E77;background:rgba(22,214,176,.14)}
.badge-dark{color:#E9E5FA;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ---------- 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(--muted);padding:16px 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--disabled)}
.crumb .current{color:var(--text);font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46ch}

/* ---------- 文章头 ---------- */
.article-hero{padding:44px 0 8px;background:linear-gradient(180deg,#FFFFFF 0%,#F5F3FB 100%)}
.article-hero .lede{color:var(--muted);font-size:17px;max-width:760px;margin:14px 0 0}
.article-title{
  font-size:clamp(26px,3.4vw,44px);line-height:1.22;margin:16px 0 0;letter-spacing:-.2px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:18px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot-sep{color:var(--disabled)}
.hero-figure{margin:34px 0 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.hero-figure img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:40px;align-items:start}
.article-layout.no-aside{grid-template-columns:minmax(0,860px);justify-content:center}
.article-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:40px 44px}
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--text)}
.article-body h2{
  font-size:clamp(21px,2.1vw,28px);margin:48px 0 18px;line-height:1.35;
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";display:block;width:46px;height:4px;border-radius:3px;background:var(--brand-grad);margin-bottom:14px;
}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--text)}
.article-body p{margin:0 0 1.2em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.3em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul>li{position:relative;padding-left:24px;margin-bottom:10px}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-grad);opacity:.85;
}
.article-body ol{list-style:decimal}
.article-body ol>li{margin-bottom:10px;padding-left:4px}
.article-body ol>li::marker{color:var(--brand);font-weight:700}
.article-body img{
  border-radius:16px;margin:26px auto;box-shadow:var(--shadow);width:100%;height:auto;
}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:#F5F3FB;border-left:4px solid;
  border-image:var(--brand-grad) 1;border-radius:0 14px 14px 0;color:var(--muted);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:24px 0;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap}
.article-body th{background:#F5F3FB;font-weight:600}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}
.article-body strong{font-weight:700;color:var(--text)}

/* ---------- 标签 / 相关 / 翻页 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--muted);font-weight:600}
.tag{
  font-size:13px;font-weight:600;color:var(--brand);background:rgba(108,59,255,.08);
  border-radius:999px;padding:6px 14px;transition:background var(--t),transform var(--t);
}
.tag:hover{background:rgba(108,59,255,.16);transform:translateY(-2px);color:var(--brand)}
.related{margin-top:72px}
.related h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:22px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,255,.35)}
.rcard .thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEBFA}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.rcard:hover .thumb img{transform:scale(1.04)}
.rcard .rc-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard h3{font-size:17px;line-height:1.5}
.rcard h3 a{color:var(--text)}
.rcard h3 a:hover{color:var(--brand)}
.rcard p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard time{font-size:13px;color:var(--disabled);margin-top:auto}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.pager a{
  display:flex;flex-direction:column;gap:6px;padding:20px 24px;border:1px solid var(--line);
  border-radius:var(--r-md);background:var(--card);transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.pager a:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.pager .plabel{font-size:13px;color:var(--muted)}
.pager .ptitle{font-size:16px;font-weight:600;color:var(--text)}
.pager .next{align-items:flex-end;text-align:right}
.back-row{margin-top:36px;display:flex;justify-content:center}

/* ---------- 侧栏 ---------- */
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow);margin-bottom:22px;
}
.aside-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3 i{color:var(--brand);font-size:14px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:8px 12px;border-radius:10px;
  border-left:3px solid transparent;transition:all var(--t);
}
.toc-list a:hover{background:#F5F3FB;color:var(--brand);border-left-color:var(--brand)}
.toc-list a.is-current{background:rgba(108,59,255,.08);color:var(--brand);border-left-color:var(--brand);font-weight:600}
.aside-links{display:flex;flex-direction:column;gap:2px}
.aside-links a{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:9px 12px;
  border-radius:10px;transition:all var(--t);
}
.aside-links a:hover{background:#F5F3FB;color:var(--brand);gap:12px}
.aside-links i{font-size:12px;color:var(--brand)}
.aside-cta{background:var(--night);border:none;color:#fff}
.aside-cta h3{color:#fff}
.aside-cta p{font-size:14px;color:#BFB8DA;margin:0 0 16px}
.aside-cta .btn{width:100%;height:44px;font-size:15px;padding:0 16px}
.aside-sticky{position:sticky;top:92px}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:56px 24px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg)}
.empty-state i{font-size:38px;color:var(--disabled);margin-bottom:16px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:24px}

/* ---------- 深色 CTA 带 ---------- */
.cta-band{background:var(--night);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(193,59,255,.42) 0%,rgba(18,14,36,0) 68%);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,34px);margin-bottom:12px}
.cta-band p{color:#C6BFE0;max-width:620px;margin:0}
.cta-band .btn-primary{background:#fff;color:#3A1E8F;box-shadow:0 12px 30px rgba(0,0,0,.28)}
.cta-band .btn-primary:hover{background:#fff;color:#3A1E8F}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:#CFC9E4;padding:64px 0 0;border-top:1px solid transparent;border-image:var(--brand-grad) 1;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--brand-grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;color:#A8A1C6;margin:16px 0;max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;font-size:14px;color:#A8A1C6;line-height:34px;transition:color var(--t),padding-left var(--t)}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8F88AE;
}
.footer-bottom p{margin:0}
.footer-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-links a{color:#A8A1C6}
.footer-links a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{height:56px;gap:12px}
  .main-nav,.command-search,.quick-link,.header-right .btn-sm{display:none}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .aside-sticky{position:static}
  .aside-col{margin-top:36px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:64px 0}
  .site-header.nav-open .header-inner{
    position:fixed;top:56px;left:0;right:0;bottom:0;height:auto;display:flex;flex-direction:column;
    align-items:stretch;gap:12px;background:#fff;padding:20px 20px 28px;overflow-y:auto;z-index:70;
    box-shadow:0 20px 40px rgba(48,26,120,.14);
  }
  .site-header.nav-open .main-nav{display:flex;flex-direction:column;align-items:stretch;margin:6px 0 0;gap:0}
  .site-header.nav-open .nav-link{font-size:17px;line-height:56px;padding:0 14px;border-radius:12px}
  .site-header.nav-open .nav-link.is-active{background:rgba(108,59,255,.08)}
  .site-header.nav-open .nav-link.is-active::after{display:none}
  .site-header.nav-open .header-right{display:flex;flex-direction:column;align-items:stretch;gap:14px;margin:8px 0 0}
  .site-header.nav-open .command-search{display:flex;min-width:0;width:100%}
  .site-header.nav-open .quick-link{display:block;text-align:center;padding:6px 0}
  .site-header.nav-open .header-right .btn{display:inline-flex;width:100%}
  .site-header.nav-open .nav-toggle{position:fixed;top:8px;right:16px;z-index:90;background:#fff}
  body.drawer-open{overflow:hidden}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .article-hero{padding:28px 0 4px}
  .article-panel{padding:26px 20px;border-radius:var(--r-md)}
  .article-body{font-size:16px;line-height:1.85}
  .article-body ul>li::before{top:11px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .pager .next{align-items:flex-start;text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:48px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .crumb .current{max-width:26ch}
}
@media (max-width:520px){
  .brand-text{font-size:17px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-title{font-size:24px}
}

/* roulang page: category1 */
:root{
  --brand:#6C3BFF;
  --brand-2:#C13BFF;
  --mint:#16D6B0;
  --orange:#FF8A3D;
  --ink:#120E24;
  --bg:#F5F3FB;
  --surface:#FFFFFF;
  --line:#E6E2F2;
  --text:#2A2540;
  --muted:#6B6584;
  --disabled:#A9A3BE;
  --grad:linear-gradient(45deg,#6C3BFF,#C13BFF);
  --grad-soft:linear-gradient(45deg,rgba(108,59,255,.12),rgba(193,59,255,.12));
  --radius-xl:24px;
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 8px 28px rgba(48,26,120,.08);
  --shadow-hover:0 16px 40px rgba(72,36,180,.16);
  --shadow-dark:0 10px 30px rgba(0,0,0,.28);
  --ease:.25s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:var(--ease);}
a:hover{color:var(--brand-2);}
button{font:inherit;cursor:pointer;}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
input,select,textarea{font:inherit;color:var(--text);}
::selection{background:rgba(108,59,255,.18);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(108,59,255,.28);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 16px 32px rgba(108,59,255,.34);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--brand);
}
.btn-ghost:hover{
  border-color:rgba(108,59,255,.45);
  color:var(--brand);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(108,59,255,.35);}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.text-link i{transition:var(--ease);font-size:13px;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:var(--pill);
  font-size:13px;
  font-weight:600;
  background:rgba(108,59,255,.08);
  color:var(--brand);
  line-height:1.4;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge-mint{background:rgba(22,214,176,.12);color:#0E9E82;}
.badge-orange{background:rgba(255,138,61,.14);color:#C2631F;}
.badge-dark{background:rgba(255,255,255,.1);color:#EDE9FB;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(48,26,120,.08);}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:22px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:700;
  box-shadow:0 6px 16px rgba(108,59,255,.28);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
}
.nav-link:hover{color:var(--brand);background:rgba(108,59,255,.07);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}

.header-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.command-search{
  display:flex;
  align-items:center;
  gap:9px;
  width:268px;
  height:40px;
  padding:0 13px;
  border:1px solid var(--line);
  border-radius:var(--pill);
  background:#FBFAFE;
  color:var(--muted);
  transition:var(--ease);
}
.command-search i{font-size:13px;}
.command-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.command-search input::placeholder{color:var(--disabled);}
.command-search .kbd{
  font-size:11px;
  padding:2px 7px;
  border:1px solid var(--line);
  border-radius:6px;
  background:#fff;
  color:var(--muted);
  white-space:nowrap;
}
.command-search:focus-within{
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(108,59,255,.14);
}
.quick-link{font-size:14px;font-weight:600;color:var(--text);}
.quick-link:hover{color:var(--brand);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  padding:0;
  position:relative;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:var(--ease);
}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  position:fixed;
  left:0;right:0;top:56px;bottom:0;
  z-index:55;
  background:#fff;
  padding:22px 20px 40px;
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:var(--ease);
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:none;}
.drawer-inner{display:flex;flex-direction:column;gap:20px;height:100%;}
.command-search--drawer{width:100%;}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-link{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:17px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:#F1EEFA;}
.section--white{background:#fff;}
.section-head{max-width:680px;margin-bottom:44px;}
.section-title{
  font-size:clamp(24px,2.6vw,36px);
  line-height:1.25;
  font-weight:700;
  margin:0 0 14px;
}
.section-sub{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{margin-bottom:14px;display:inline-flex;}

/* ---------- 分类页横幅 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:74px 0 64px;
  background:linear-gradient(180deg,#F8F6FE 0%,#F1EEFA 100%);
}
.page-hero::before{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-160px;top:-220px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(108,59,255,.26),rgba(193,59,255,0) 68%);
}
.page-hero::after{
  content:"";
  position:absolute;
  width:320px;height:320px;
  left:-140px;bottom:-190px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(22,214,176,.22),rgba(22,214,176,0) 70%);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{color:var(--disabled);}
.crumbs .current{color:var(--text);font-weight:600;}
.hero-title{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.18;
  font-weight:700;
  margin:0 0 18px;
  letter-spacing:-.5px;
}
.hero-title em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:18px;
  line-height:1.75;
  color:var(--muted);
  max-width:640px;
  margin:0 0 26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-media{
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:#fff;
  position:relative;
}
.hero-media img{
  width:100%;
  aspect-ratio:16/9;
  height:auto;
  object-fit:cover;
  border-radius:var(--radius-xl);
}
.hero-float{
  position:absolute;
  left:18px;
  bottom:18px;
  background:#fff;
  border-radius:var(--radius-sm);
  padding:12px 16px;
  box-shadow:0 12px 28px rgba(48,26,120,.16);
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-float .num{
  font-size:22px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-float .lbl{font-size:12px;color:var(--muted);line-height:1.5;}

/* ---------- 指标小卡 ---------- */
.metric-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  position:relative;
  overflow:hidden;
  transition:var(--ease);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,255,.35);}
.metric-num{
  font-size:34px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  color:var(--text);
}
.metric-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px;}
.metric-label{
  margin-top:8px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
}
.metric-desc{font-size:13px;color:var(--muted);margin:6px 0 16px;line-height:1.6;}
.metric-bar{
  height:4px;
  border-radius:4px;
  background:rgba(108,59,255,.1);
  overflow:hidden;
}
.metric-bar i{display:block;height:100%;border-radius:4px;background:var(--grad);}

/* ---------- 图文速览大卡 ---------- */
.spotlight{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:32px;
  box-shadow:var(--shadow);
}
.spotlight img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius);
}
.spotlight h3{font-size:22px;margin:0 0 14px;}
.spotlight p{color:var(--muted);font-size:16px;margin:0 0 14px;}
.check-list{margin:0 0 22px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text);
  padding:7px 0;
}
.check-list i{
  color:var(--mint);
  font-size:14px;
  margin-top:6px;
}

/* ---------- 要点卡网格 ---------- */
.point-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:var(--ease);
  display:flex;
  flex-direction:column;
}
.point-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(108,59,255,.4);
}
.point-icon{
  width:44px;height:44px;
  border-radius:13px;
  display:grid;place-items:center;
  background:var(--grad-soft);
  color:var(--brand);
  font-size:18px;
  margin-bottom:16px;
}
.point-card h3{font-size:19px;margin:0 0 10px;}
.point-card p{font-size:14.5px;color:var(--muted);margin:0 0 16px;}
.point-card .text-link{margin-top:auto;font-size:14px;}

/* ---------- 流程条 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;
  transition:var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step::after{
  content:"";
  position:absolute;
  top:44px;
  right:-24px;
  width:24px;
  height:2px;
  background:linear-gradient(90deg,rgba(108,59,255,.45),rgba(193,59,255,.12));
}
.step:last-child::after{display:none;}
.step-num{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  font-weight:700;
  font-size:16px;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
  box-shadow:0 8px 18px rgba(108,59,255,.26);
}
.step h3{font-size:18px;margin:0 0 10px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--ease);
}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(108,59,255,.28);}
.faq-q{
  list-style:none;
  cursor:pointer;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px 20px 28px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:var(--ease);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--grad);
  opacity:0;
  transition:var(--ease);
}
.faq-item[open] .faq-q{color:var(--brand);}
.faq-item[open] .faq-q::before{opacity:1;}
.faq-q .chev{color:var(--muted);font-size:13px;transition:var(--ease);}
.faq-item[open] .chev{transform:rotate(180deg);color:var(--brand);}
.faq-a{
  padding:0 26px 22px 28px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- 表单 ---------- */
.lead-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:34px;
  box-shadow:0 10px 40px rgba(108,59,255,.10);
  max-width:960px;
  margin:0 auto;
}
.lead-head{margin-bottom:24px;}
.lead-head h2{font-size:clamp(22px,2.3vw,30px);margin:0 0 12px;}
.lead-head p{color:var(--muted);font-size:15.5px;margin:0 0 16px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#FBFAFE;
  padding:12px 14px;
  font-size:15px;
  transition:var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(108,59,255,.16);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--disabled);}
.consent{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  color:var(--muted);
  margin:4px 0 20px;
}
.consent input{margin-top:4px;accent-color:var(--brand);}
.form-note{
  font-size:13px;
  color:var(--muted);
  margin:14px 0 0;
}
.form-feedback{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--radius-sm);
  background:rgba(22,214,176,.12);
  color:#0E9E82;
  font-size:14px;
  font-weight:600;
}
.form-feedback.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink);
  color:#C8C2E0;
  padding:64px 0 0;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--grad);
  opacity:.85;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;color:#9E97BE;line-height:1.8;margin:0 0 16px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin:6px 0 16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:34px;
  color:#A9A3BE;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13px;color:#8E88AC;}
.footer-links{display:flex;flex-wrap:wrap;gap:20px;}
.footer-links a{font-size:13px;color:#A9A3BE;}
.footer-links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .container{padding:0 28px;}
}
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .command-search{display:none;}
  .quick-link{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-media{margin-top:34px;}
}
@media screen and (min-width:1024px){
  .mobile-drawer{display:none;}
}
@media screen and (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:56px;gap:12px;}
  .brand-text{font-size:17px;}
  .brand-mark{width:30px;height:30px;font-size:15px;border-radius:10px;}
  .section{padding:48px 0;}
  .section--tight{padding:42px 0;}
  .page-hero{padding:44px 0 48px;}
  .hero-lead{font-size:16.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .spotlight{padding:22px;}
  .spotlight h3{font-size:20px;}
  .lead-wrap{padding:24px 20px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:18px 20px 18px 22px;}
  .faq-a{padding:0 20px 20px 22px;}
  .hero-float{left:14px;bottom:14px;padding:10px 13px;}
}
@media screen and (max-width:520px){
  .hero-title{font-size:28px;}
  .metric-num{font-size:30px;}
}

/* roulang page: category2 */
:root{
  --primary:#6C3BFF;
  --primary-2:#C13BFF;
  --mint:#16D6B0;
  --orange:#FF8A3D;
  --dark:#120E24;
  --bg:#F5F3FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#2A2540;
  --text-2:#6B6584;
  --text-3:#A9A3BE;
  --grad:linear-gradient(45deg,#6C3BFF 0%,#C13BFF 100%);
  --grad-soft:linear-gradient(45deg,rgba(108,59,255,.12),rgba(193,59,255,.12));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 28px rgba(48,26,120,.08);
  --sh-2:0 16px 40px rgba(72,36,180,.16);
  --sh-dark:0 10px 30px rgba(0,0,0,.28);
  --ease:.25s cubic-bezier(.4,0,.2,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),opacity var(--ease);}
a:hover{color:var(--primary-2);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(108,59,255,.45);outline-offset:2px;border-radius:6px;}

/* Foundation 默认外观覆写 */
.button,.button.primary,.button.secondary{background:var(--grad);border-radius:var(--r-pill);color:#fff;font-weight:600;}
.grid-x.grid-padding-x>.cell{padding-left:.75rem;padding-right:.75rem;}
.grid-margin-x{margin-left:-.75rem;margin-right:-.75rem;}
.accordion{background:transparent;}
.accordion-item{background:transparent;}
.callout{background:transparent;border:0;margin:0;padding:0;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1280px){ .container{max-width:1320px;} }
@media (max-width:575px){ .container{padding:0 20px;} }

h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:700;letter-spacing:-.5px;}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;}
h3{font-size:clamp(19px,1.6vw,23px);line-height:1.4;font-weight:600;}
.lead{font-size:18px;line-height:1.75;color:var(--text-2);}
.meta{font-size:13px;line-height:1.6;color:var(--text-3);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(108,59,255,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,59,255,.36);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--primary);
  border:1px solid var(--line);
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-outline-light{
  background:rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(255,255,255,.3);
}
.btn-outline-light:hover{color:#fff;background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 22px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
}
.text-link i{font-size:12px;transition:transform var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  line-height:1.4;
  background:rgba(108,59,255,.08);
  color:var(--primary);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;}
.badge-mint{background:rgba(22,214,176,.14);color:#0E9E82;}
.badge-mint .dot{background:var(--mint);}
.badge-orange{background:rgba(255,138,61,.16);color:#C9621D;}
.badge-orange .dot{background:var(--orange);}
.badge-dark{background:rgba(255,255,255,.1);color:#EDEAF8;}
.badge-dark .dot{background:var(--mint);}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(48,26,120,.09);}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:18px;
  font-weight:700;
  box-shadow:0 6px 16px rgba(108,59,255,.32);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.2px;
}
.brand:hover .brand-text{color:var(--primary);}

.main-nav{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--primary);background:rgba(108,59,255,.08);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}

.header-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.command-search{
  display:flex;
  align-items:center;
  gap:9px;
  width:252px;
  height:40px;
  padding:0 6px 0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#FAF9FE;
  color:var(--text-3);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.command-search:focus-within{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(108,59,255,.14);
}
.command-search i{font-size:13px;color:var(--text-3);}
.command-search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.command-search input::placeholder{color:var(--text-3);}
.kbd{
  flex:none;
  padding:3px 8px;
  border-radius:8px;
  background:#fff;
  border:1px solid var(--line);
  font-size:11px;
  font-weight:600;
  color:var(--text-2);
}
.quick-link{
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
}
.quick-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.nav-toggle span{
  display:block;
  height:2px;
  width:100%;
  border-radius:2px;
  background:var(--text);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{
  display:none;
  position:fixed;
  inset:68px 0 0;
  z-index:55;
  background:#fff;
  padding:20px;
  overflow-y:auto;
  flex-direction:column;
  gap:6px;
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer .command-search{width:100%;margin-bottom:14px;}
.mobile-drawer .nav-link{
  font-size:17px;
  line-height:1.4;
  padding:16px 14px;
  border-radius:14px;
  color:var(--text);
}
.mobile-drawer .nav-link.is-active{background:rgba(108,59,255,.08);}
.mobile-drawer .nav-link.is-active::after{display:none;}
.mobile-drawer .btn{margin-top:18px;}

/* ============ 分类页横幅 ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 68px;
  background:linear-gradient(180deg,#FBFAFF 0%,#F5F3FB 100%);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-160px;top:-220px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(108,59,255,.20),rgba(193,59,255,.06) 60%,transparent 72%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  width:260px;height:260px;
  left:-120px;bottom:-140px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(22,214,176,.22),transparent 70%);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb i{font-size:10px;}
.crumb .current{color:var(--text-2);font-weight:600;}
.cat-hero h1{margin-bottom:18px;}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero .lead{max-width:560px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;
  background:#fff;
  border-radius:16px;
  box-shadow:var(--sh-1);
  padding:14px 18px;
  border:1px solid var(--line);
}
.float-card .num{
  font-size:24px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.1;
}
.float-card .lbl{font-size:12px;color:var(--text-2);margin-top:2px;}
.float-card.card-a{left:-18px;bottom:26px;}
.float-card.card-b{right:-14px;top:22px;}

/* ============ 分栏布局 ============ */
.layout-split{
  display:grid;
  grid-template-columns:268px minmax(0,1fr);
  gap:52px;
  padding:88px 0 96px;
}
.toc{
  position:sticky;
  top:96px;
  align-self:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 18px;
  box-shadow:var(--sh-1);
}
.toc h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;padding-left:6px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  position:relative;
  display:block;
  padding:9px 12px 9px 16px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.toc-link::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  border-radius:3px;
  background:var(--grad);
  transition:height var(--ease);
}
.toc-link:hover{color:var(--primary);background:rgba(108,59,255,.06);}
.toc-link.is-active{color:var(--primary);font-weight:600;background:rgba(108,59,255,.08);}
.toc-link.is-active::before{height:18px;}
.toc-cta{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  line-height:1.7;
}
.toc-cta .btn{margin-top:12px;}

.flow{min-width:0;}
.flow-section{margin-bottom:76px;scroll-margin-top:96px;}
.flow-section:last-child{margin-bottom:0;}
.sec-head{margin-bottom:26px;}
.sec-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  margin-bottom:10px;
}
.sec-head .eyebrow::before{
  content:"";
  width:24px;height:3px;
  border-radius:3px;
  background:var(--grad);
}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--text-2);max-width:780px;}

/* 图文交替 */
.media-row{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:38px;
  align-items:center;
  margin-bottom:46px;
}
.media-row:last-child{margin-bottom:0;}
.media-row.reverse .media-text{order:2;}
.media-row.reverse .media-pic{order:1;}
.media-pic img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:16px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.media-row:hover .media-pic img{box-shadow:var(--sh-2);transform:translateY(-4px);}
.media-text h3{margin-bottom:12px;}
.media-text p{color:var(--text-2);margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:9px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--text);
  line-height:1.7;
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:4px;
  font-size:11px;
  color:var(--mint);
}
.warn-list li::before{
  content:"\f071";
  color:var(--orange);
}

/* 五步自检 */
.step-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 18px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,255,.4);}
.step-num{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--grad-soft);
  color:var(--primary);
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:16px;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* 对比双卡 */
.compare-pair{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.compare-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.compare-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.compare-card h3{margin-bottom:6px;}
.compare-card .sub{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.compare-card ul{display:flex;flex-direction:column;gap:11px;margin-bottom:22px;}
.compare-card li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}
.compare-card li::before{
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:4px;
  font-size:12px;
}
.compare-card.good li::before{content:"\f00c";color:var(--mint);}
.compare-card.risk li::before{content:"\f00d";color:var(--orange);}
.bar{
  height:8px;
  border-radius:8px;
  background:#F1EEFA;
  overflow:hidden;
}
.bar span{display:block;height:100%;border-radius:8px;}
.bar-good span{width:82%;background:linear-gradient(45deg,#16D6B0,#5FE3C7);}
.bar-risk span{width:38%;background:linear-gradient(45deg,#FF8A3D,#FFB27A);}
.bar-label{font-size:12px;color:var(--text-3);margin-top:8px;}
.vs-badge{
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:48px;height:48px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:13px;
  font-weight:700;
  box-shadow:0 10px 24px rgba(108,59,255,.34);
}
.compare-pair::before{
  content:"";
  position:absolute;
  left:50%;top:8%;bottom:8%;
  width:1px;
  background:var(--line);
}

/* 提示条 */
.tip-bar{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:rgba(22,214,176,.12);
  border:1px solid rgba(22,214,176,.32);
  border-radius:var(--r-md);
  padding:22px 24px;
}
.tip-bar .tip-icon{
  flex:none;
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  background:#fff;
  color:#0E9E82;
  font-size:16px;
  box-shadow:var(--sh-1);
}
.tip-bar h3{font-size:17px;margin-bottom:6px;}
.tip-bar p{font-size:15px;color:#255E52;line-height:1.75;}

/* 入口卡组 */
.entry-cards .entry-card{
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-cards .entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,255,.42);}
.entry-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:14px;
  background:var(--grad-soft);
  color:var(--primary);
  font-size:17px;
  margin-bottom:16px;
}
.entry-card h3{font-size:18px;margin-bottom:10px;}
.entry-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:18px;}
.entry-card .text-link{margin-top:auto;}

/* 底部 CTA 带 */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:52px 48px;
  color:#fff;
  box-shadow:var(--sh-dark);
}
.cta-band::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-120px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,255,.55),transparent 68%);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:300px;height:300px;
  left:-100px;bottom:-160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(193,59,255,.42),transparent 68%);
  pointer-events:none;
}
.cta-band .inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:12px;max-width:640px;}
.cta-band p{color:#C9C3DE;max-width:600px;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ Footer ============ */
.site-footer{
  background:var(--dark);
  color:#EDEAF8;
  margin-top:96px;
  border-top:1px solid transparent;
  border-image:var(--grad) 1;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:#A9A3BE;
  max-width:340px;
}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:34px;
  color:#A9A3BE;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8F89A6;}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:#A9A3BE;}
.footer-links a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .command-search{width:210px;}
}
@media (max-width:1023px){
  .main-nav,.command-search,.quick-link{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:64px;justify-content:space-between;}
  .mobile-drawer{inset:64px 0 0;}
  .cat-hero{padding:52px 0 56px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-visual img{aspect-ratio:16/9;}
  .float-card.card-a{left:12px;bottom:-16px;}
  .float-card.card-b{right:12px;top:-16px;}
  .layout-split{
    grid-template-columns:1fr;
    gap:32px;
    padding:64px 0 72px;
  }
  .toc{position:static;padding:18px 14px;}
  .toc-list{
    flex-direction:row;
    gap:8px;
    overflow-x:auto;
    padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
  }
  .toc-link{
    white-space:nowrap;
    background:rgba(108,59,255,.06);
    border-radius:var(--r-pill);
    padding:8px 16px;
  }
  .toc-link::before{display:none;}
  .toc-cta{display:none;}
  .media-row{grid-template-columns:1fr;gap:24px;}
  .media-row.reverse .media-text{order:1;}
  .media-row.reverse .media-pic{order:2;}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767px){
  .flow-section{margin-bottom:56px;}
  .compare-pair{grid-template-columns:1fr;gap:18px;}
  .compare-pair::before{display:none;}
  .vs-badge{position:static;transform:none;margin:0 auto;}
  .cta-band{padding:36px 24px;}
  .cta-band .inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;min-width:180px;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .cat-hero{padding:40px 0 46px;}
  .hero-actions .btn{width:100%;}
  .layout-split{padding:48px 0 56px;}
  .step-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .media-row{margin-bottom:34px;}
  .tip-bar{padding:18px;flex-direction:column;gap:12px;}
}