/* roulang page: index */
:root{
  --xk-void:#0E0B22;
  --xk-void-2:#1A1533;
  --xk-primary:#6A4CF6;
  --xk-primary-d:#5638E0;
  --xk-primary-l:#EFEBFF;
  --xk-accent:#26D3C0;
  --xk-gold:#F6C86A;
  --xk-bg:#F7F6FC;
  --xk-surface:#FFFFFF;
  --xk-line:#E6E4F2;
  --xk-text:#1C1832;
  --xk-text-2:#5A5578;
  --xk-text-3:#8C87A6;
  --xk-danger:#E8556D;
  --xk-r-card:16px;
  --xk-r-img:12px;
  --xk-r-btn:10px;
  --xk-sh1:0 1px 2px rgba(28,24,50,.06);
  --xk-sh2:0 6px 20px rgba(28,24,50,.08);
  --xk-sh3:0 16px 40px rgba(28,24,50,.14);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--xk-bg);
  color:var(--xk-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:var(--xk-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--xk-primary-d)}
h1,h2,h3,h4{margin:0;color:var(--xk-text);font-weight:700;letter-spacing:0}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--xk-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.xk-num{font-variant-numeric:tabular-nums}
.xk-section{padding:80px 0}
.xk-section-sm{padding:56px 0}
.xk-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.xk-section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.xk-section-sub{color:var(--xk-text-2);font-size:15px;margin:8px 0 0;max-width:640px}
.xk-more{font-size:14px;font-weight:600;white-space:nowrap}
.xk-more::after{content:"›";margin-left:6px;font-size:16px}

/* 顶条 */
.xk-topbar{background:var(--xk-void);color:#EDEBFA;font-size:13px}
.xk-topbar-inner{display:flex;align-items:center;justify-content:center;gap:14px;min-height:32px;padding:4px 0;flex-wrap:wrap}
.xk-topbar .xk-dot{width:6px;height:6px;border-radius:50%;background:var(--xk-accent);display:inline-block;margin-right:8px;vertical-align:middle}
.xk-count{display:inline-flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums;border:1px solid rgba(38,211,192,.45);border-radius:999px;padding:1px 10px;color:#BFF7F0;font-size:13px}
.xk-topbar-close{margin-left:auto;background:transparent;border:0;color:#9C97B8;font-size:16px;line-height:1;padding:4px 8px;cursor:pointer;border-radius:8px;min-width:32px;min-height:32px}
.xk-topbar-close:hover{color:#fff}

/* 导航 */
.xk-header{position:sticky;top:0;z-index:1030}
.xk-nav{background:rgba(14,11,34,.92);transition:background .25s ease,box-shadow .25s ease}
.xk-nav.is-scrolled{background:#0E0B22;box-shadow:0 8px 26px rgba(14,11,34,.35)}
.xk-nav-inner{display:flex;align-items:center;gap:20px;min-height:64px}
.xk-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.02em;white-space:nowrap}
.xk-logo:hover{color:#fff}
.xk-logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(140deg,var(--xk-primary),var(--xk-accent));display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.xk-logo-mark svg{width:16px;height:16px}
.xk-logo-text small{display:block;font-size:11px;font-weight:400;color:#A8A3C4;letter-spacing:.08em;line-height:1.2}
.xk-nav-links{display:flex;align-items:center;gap:4px;margin:0 auto 0 12px}
.xk-nav-links a{position:relative;color:#EDEBFA;font-size:15px;padding:20px 12px;min-height:44px;display:inline-flex;align-items:center}
.xk-nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:12px;height:2px;background:var(--xk-primary);border-radius:2px;transition:left .25s ease,right .25s ease}
.xk-nav-links a:hover{color:#fff}
.xk-nav-links a:hover::after{left:12px;right:12px}
.xk-nav-links a.xk-active{color:#fff;font-weight:600}
.xk-nav-links a.xk-active::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--xk-primary);position:absolute;top:14px;left:50%;transform:translateX(-50%)}
.xk-nav-links a.xk-active::after{left:12px;right:12px}
.xk-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.xk-badge-gold{background:rgba(246,200,106,.16);color:var(--xk-gold);border:1px solid rgba(246,200,106,.5);border-radius:999px;font-size:12px;padding:4px 10px;white-space:nowrap}
.xk-nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:10px;color:#fff;width:44px;height:44px;align-items:center;justify-content:center}
.xk-drawer{background:var(--xk-void);color:#EDEBFA}
.xk-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1)}
.xk-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.xk-drawer-link{display:block;color:#EDEBFA;padding:14px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
.xk-drawer-link.xk-active{color:var(--xk-gold)}
.xk-drawer-foot{padding:16px 0 4px}

/* 按钮 */
.xk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 22px;border-radius:var(--xk-r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center}
.xk-btn-primary{background:var(--xk-primary);color:#fff;box-shadow:var(--xk-sh1)}
.xk-btn-primary:hover{background:var(--xk-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--xk-sh2)}
.xk-btn-outline{background:#fff;color:var(--xk-primary);border-color:rgba(106,76,246,.4)}
.xk-btn-outline:hover{background:var(--xk-primary-l);color:var(--xk-primary-d);border-color:var(--xk-primary)}
.xk-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.xk-btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}
.xk-btn-sm{min-height:38px;padding:7px 14px;font-size:14px;border-radius:9px}
.xk-btn-block{width:100%}

/* Hero */
.xk-hero{position:relative;background:var(--xk-void);color:#EDEBFA;overflow:hidden;min-height:520px;display:flex;align-items:center;padding:72px 0}
.xk-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.xk-hero::after{content:"";position:absolute;left:-10%;top:-30%;width:70%;height:120%;background:radial-gradient(closest-side,rgba(106,76,246,.42),transparent 70%);transform:rotate(18deg);pointer-events:none}
.xk-stars{position:absolute;inset:0;pointer-events:none}
.xk-stars i{position:absolute;width:2px;height:2px;border-radius:50%;background:#fff}
.xk-hero .container{position:relative;z-index:2}
.xk-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(38,211,192,.12);border:1px solid rgba(38,211,192,.45);color:#8FF1E6;border-radius:999px;font-size:13px;padding:5px 12px;margin-bottom:18px}
.xk-hero h1{color:#fff;font-size:clamp(28px,4vw,44px);line-height:1.25;margin-bottom:16px}
.xk-hero-sub{color:var(--xk-gold);font-size:16px;font-weight:600;margin-bottom:14px}
.xk-hero-desc{color:#C6C2DC;font-size:15px;max-width:520px;margin-bottom:26px}
.xk-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.xk-hero-metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px}
.xk-hero-metrics b{display:block;color:#fff;font-size:22px;font-variant-numeric:tabular-nums}
.xk-hero-metrics span{font-size:13px;color:#9C97B8}
.xk-hero-card{background:#fff;border-radius:var(--xk-r-card);padding:18px;box-shadow:var(--xk-sh3);color:var(--xk-text);max-width:400px;margin-left:auto}
.xk-hero-card-media{position:relative;border-radius:var(--xk-r-img);overflow:hidden;background:var(--xk-primary-l)}
.xk-hero-card-media img{width:100%;height:210px;object-fit:cover}
.xk-hero-card .xk-corner{position:absolute;top:10px;left:10px;background:var(--xk-gold);color:#3A2A00;font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px}
.xk-hero-card h2{font-size:18px;margin:14px 0 6px}
.xk-hero-card p{color:var(--xk-text-2);font-size:13px;margin:0 0 12px}
.xk-hero-card-price{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}
.xk-hero-card-price b{color:var(--xk-primary);font-size:22px;font-variant-numeric:tabular-nums}
.xk-hero-card-price s{color:var(--xk-text-3);font-size:13px}
.xk-hero-card-row{display:flex;gap:10px;align-items:center}

/* 指标条 */
.xk-metrics{background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);box-shadow:var(--xk-sh1);padding:22px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.xk-metric{border-right:1px solid var(--xk-line);padding-right:18px}
.xk-metric:last-child{border-right:0;padding-right:0}
.xk-metric b{display:block;font-size:24px;color:var(--xk-primary);font-variant-numeric:tabular-nums}
.xk-metric span{font-size:13px;color:var(--xk-text-2)}

/* 卡片 */
.xk-card{background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);box-shadow:var(--xk-sh1);overflow:hidden;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;height:100%;display:flex;flex-direction:column}
.xk-card:hover{transform:translateY(-4px);box-shadow:var(--xk-sh2);border-color:rgba(106,76,246,.3)}
.xk-card-media{position:relative;overflow:hidden;background:var(--xk-primary-l)}
.xk-card-media img{width:100%;height:180px;object-fit:cover;transition:transform .35s ease}
.xk-card:hover .xk-card-media img{transform:scale(1.03)}
.xk-card-media .xk-corner{position:absolute;top:10px;left:10px;background:var(--xk-gold);color:#3A2A00;font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px}
.xk-card-media .xk-corner-cyan{background:rgba(38,211,192,.92);color:#053B36}
.xk-card-body{padding:16px;display:flex;flex-direction:column;flex:1}
.xk-card-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.xk-card-body p{color:var(--xk-text-2);font-size:14px;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.xk-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--xk-line)}
.xk-price{color:var(--xk-primary);font-weight:700;font-size:19px;font-variant-numeric:tabular-nums}
.xk-price small{font-size:12px;color:var(--xk-text-3);font-weight:400;margin-left:4px}

/* 标签 */
.xk-tag{display:inline-flex;align-items:center;background:var(--xk-primary-l);color:var(--xk-primary);border-radius:999px;font-size:12px;font-weight:600;padding:3px 11px}
.xk-tag-cyan{background:rgba(38,211,192,.12);color:#12766C;border:1px solid rgba(38,211,192,.45);font-weight:500}
.xk-tag-line{background:#fff;border:1px solid var(--xk-line);color:var(--xk-text-2);font-weight:500}

/* 评价 */
.xk-review{background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);box-shadow:var(--xk-sh1);padding:20px;height:100%}
.xk-review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.xk-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(140deg,var(--xk-primary),var(--xk-accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 auto}
.xk-review-top b{display:block;font-size:15px}
.xk-review-top span{font-size:12px;color:var(--xk-text-3)}
.xk-stars-gold{color:var(--xk-gold);font-size:14px;letter-spacing:2px;margin-bottom:8px}
.xk-review p{font-size:14px;color:var(--xk-text-2);margin:0}
.xk-carousel .carousel-control-prev,
.xk-carousel .carousel-control-next{width:44px;height:44px;top:50%;transform:translateY(-50%);border-radius:50%;border:1.5px solid var(--xk-line);background:#fff;opacity:1;box-shadow:var(--xk-sh1)}
.xk-carousel .carousel-control-prev{left:-8px}
.xk-carousel .carousel-control-next{right:-8px}
.xk-carousel .carousel-control-prev-icon,
.xk-carousel .carousel-control-next-icon{filter:invert(30%) sepia(60%) saturate(3000%) hue-rotate(230deg);width:16px;height:16px}
.xk-carousel .carousel-indicators{bottom:-42px}
.xk-carousel .carousel-indicators [data-bs-target]{width:6px;height:6px;border-radius:50%;background:var(--xk-text-3);border:0;margin:0 5px}
.xk-carousel .carousel-indicators .active{background:var(--xk-primary)}

/* 保障条 */
.xk-assure{display:grid;grid-template-columns:repeat(4,1fr);background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);overflow:hidden}
.xk-assure-item{padding:22px 20px;border-right:1px solid var(--xk-line);display:flex;gap:12px;align-items:flex-start}
.xk-assure-item:last-child{border-right:0}
.xk-assure-icon{width:32px;height:32px;color:var(--xk-primary);flex:0 0 auto}
.xk-assure-item b{display:block;font-size:15px;margin-bottom:4px}
.xk-assure-item span{font-size:13px;color:var(--xk-text-2)}

/* 资讯 */
.xk-news-card .xk-card-media img{height:172px}
.xk-news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--xk-line);font-size:13px;color:var(--xk-text-3)}
.xk-news-title a{color:var(--xk-text)}
.xk-news-title a:hover{color:var(--xk-primary)}
.xk-empty{text-align:center;padding:48px 20px;background:var(--xk-surface);border:1px dashed var(--xk-line);border-radius:var(--xk-r-card)}
.xk-empty svg{width:34px;height:34px;color:var(--xk-primary);margin-bottom:12px}
.xk-empty p{color:var(--xk-text-2);margin-bottom:18px}

/* FAQ */
.xk-faq{background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);padding:8px 24px;box-shadow:var(--xk-sh1)}
.xk-faq .accordion-item{border:0;border-bottom:1px solid var(--xk-line);background:transparent}
.xk-faq .accordion-item:last-child{border-bottom:0}
.xk-faq .accordion-button{background:transparent;color:var(--xk-text);font-weight:600;font-size:16px;padding:20px 44px 20px 0;box-shadow:none;border-radius:0}
.xk-faq .accordion-button:not(.collapsed){color:var(--xk-primary);background:transparent}
.xk-faq .accordion-button::after{display:none}
.xk-faq .accordion-button::before{content:"";position:absolute;right:10px;top:50%;width:14px;height:2px;background:currentColor;transform:translateY(-50%);transition:transform .25s ease}
.xk-faq .accordion-button::after{display:block;content:"";position:absolute;right:16px;top:50%;width:2px;height:14px;background:currentColor;transform:translateY(-50%);transition:transform .25s ease;background-image:none;border-radius:0}
.xk-faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:.2}
.xk-faq .accordion-body{padding:0 0 20px;color:var(--xk-text-2);font-size:15px}

/* CTA */
.xk-cta{position:relative;background:var(--xk-void);color:#EDEBFA;overflow:hidden;padding:76px 0;text-align:center}
.xk-cta::after{content:"";position:absolute;right:-15%;bottom:-40%;width:60%;height:130%;background:radial-gradient(closest-side,rgba(106,76,246,.4),transparent 70%);transform:rotate(-16deg);pointer-events:none}
.xk-cta .container{position:relative;z-index:2}
.xk-cta h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:14px}
.xk-cta p{color:#C6C2DC;max-width:640px;margin:0 auto 26px;font-size:15px}
.xk-cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:20px}
.xk-cta-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;font-size:13px;color:#C6C2DC}
.xk-cta-tags span{border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:4px 12px}

/* 页脚 */
.xk-footer{background:var(--xk-void-2);color:#B9B5D2;font-size:14px;padding:64px 0 0}
.xk-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.xk-footer a{color:#B9B5D2}
.xk-footer a:hover{color:#fff}
.xk-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px}
.xk-footer-list li{margin-bottom:10px}
.xk-footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:20px 0;font-size:13px;color:#8C87A6;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.xk-footer-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.xk-input{flex:1;min-width:180px;height:44px;border-radius:var(--xk-r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px}
.xk-input::placeholder{color:#8C87A6}
.xk-input:focus{outline:none;border-color:var(--xk-primary);box-shadow:0 0 0 2px rgba(106,76,246,.35)}

.xk-mobile-cta{position:fixed;left:0;right:0;bottom:0;background:rgba(14,11,34,.96);padding:10px 16px;display:none;z-index:1040;border-top:1px solid rgba(255,255,255,.1)}

@media (max-width:1199.98px){
  .xk-nav-links a{padding:20px 9px;font-size:14px}
  .xk-assure{grid-template-columns:repeat(2,1fr)}
  .xk-assure-item:nth-child(2){border-right:0}
  .xk-assure-item:nth-child(1),.xk-assure-item:nth-child(2){border-bottom:1px solid var(--xk-line)}
}
@media (max-width:991.98px){
  .xk-nav-links{display:none}
  .xk-nav-toggle{display:inline-flex}
  .xk-nav-right .xk-badge-gold{display:none}
  .xk-nav-right .xk-btn{display:none}
  .xk-hero{padding:56px 0;min-height:auto}
  .xk-hero-card{margin:32px auto 0}
  .xk-metrics{grid-template-columns:repeat(2,1fr)}
  .xk-metric:nth-child(2){border-right:0}
  .xk-carousel .carousel-control-prev,.xk-carousel .carousel-control-next{display:none}
  .xk-section{padding:56px 0}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .xk-metrics{grid-template-columns:1fr;gap:0}
  .xk-metric{border-right:0;border-bottom:1px solid var(--xk-line);padding:14px 0}
  .xk-metric:last-child{border-bottom:0}
  .xk-assure{grid-template-columns:1fr}
  .xk-assure-item{border-right:0;border-bottom:1px solid var(--xk-line)}
  .xk-assure-item:last-child{border-bottom:0}
  .xk-section{padding:48px 0}
  .xk-section-head{margin-bottom:24px}
  .xk-faq{padding:4px 16px}
  .xk-footer{padding-top:48px}
  .xk-mobile-cta{display:block}
  body{padding-bottom:70px}
}

/* roulang page: article */
:root{
  --xk-void:#0E0B22;
  --xk-void-2:#1A1533;
  --xk-primary:#6A4CF6;
  --xk-primary-d:#5638E0;
  --xk-primary-l:#EFEBFF;
  --xk-accent:#26D3C0;
  --xk-gold:#F6C86A;
  --xk-bg:#F7F6FC;
  --xk-surface:#FFFFFF;
  --xk-line:#E6E4F2;
  --xk-text:#1C1832;
  --xk-text-2:#5A5578;
  --xk-text-3:#8C87A6;
  --xk-danger:#E8556D;
  --xk-sh1:0 1px 2px rgba(28,24,50,.06);
  --xk-sh2:0 6px 20px rgba(28,24,50,.08);
  --xk-sh3:0 16px 40px rgba(28,24,50,.14);
  --xk-r-card:16px;
  --xk-r-img:12px;
  --xk-r-btn:10px;
  --xk-r-pill:999px;
  --xk-nav-h:64px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--xk-text);
  background:var(--xk-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--xk-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--xk-primary-d);}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--xk-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- 按钮 ---------- */
.xk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:var(--xk-r-btn);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  cursor:pointer;transition:all .22s ease;white-space:nowrap;
}
.xk-btn-primary{background:var(--xk-primary);color:#fff;box-shadow:var(--xk-sh1);}
.xk-btn-primary:hover{background:var(--xk-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--xk-sh2);}
.xk-btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.xk-btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.xk-btn-outline{background:#fff;color:var(--xk-primary);border:1.5px solid rgba(106,76,246,.45);}
.xk-btn-outline:hover{background:var(--xk-primary-l);color:var(--xk-primary-d);border-color:var(--xk-primary);}
.xk-btn-sm{min-height:38px;padding:7px 16px;font-size:14px;}

/* ---------- 标签/徽章 ---------- */
.xk-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--xk-r-pill);
  font-size:13px;font-weight:600;background:var(--xk-primary-l);color:var(--xk-primary);
}
.xk-tag-accent{background:rgba(38,211,192,.12);color:#0E8F82;box-shadow:inset 0 0 0 1px rgba(38,211,192,.5);}
.xk-badge-gold{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--xk-r-pill);
  font-size:12px;font-weight:700;color:#6B4A0B;background:rgba(246,200,106,.9);
}

/* ---------- 导航 ---------- */
.xk-header{position:sticky;top:0;z-index:1030;}
.xk-nav{
  background:rgba(14,11,34,.94);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .25s ease,box-shadow .25s ease;
}
.xk-nav.xk-scrolled{background:#0E0B22;box-shadow:var(--xk-sh3);}
.xk-nav-inner{display:flex;align-items:center;gap:24px;height:var(--xk-nav-h);}
.xk-logo{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.xk-logo:hover{color:#fff;}
.xk-logo-mark{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,var(--xk-primary),#8A6BFF);
}
.xk-logo-mark svg{width:19px;height:19px;}
.xk-logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;letter-spacing:.2px;line-height:1.15;}
.xk-logo-text small{font-size:11px;font-weight:400;color:rgba(237,235,250,.6);letter-spacing:1px;}
.xk-nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;flex:1;}
.xk-nav-links a{
  position:relative;color:#EDEBFA;font-size:15px;padding:6px 0;
}
.xk-nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;
  background:var(--xk-primary);transform:translateX(-50%);transition:width .25s ease;
}
.xk-nav-links a:hover{color:#fff;}
.xk-nav-links a:hover::after{width:100%;}
.xk-nav-links a.xk-active{color:#fff;}
.xk-nav-links a.xk-active::before{
  content:"";position:absolute;left:50%;top:-8px;width:5px;height:5px;border-radius:50%;
  background:var(--xk-primary);transform:translateX(-50%);
}
.xk-nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.xk-nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#EDEBFA;align-items:center;justify-content:center;cursor:pointer;
}
.xk-nav-toggle:hover{background:rgba(255,255,255,.16);}
.xk-drawer{background:var(--xk-void);color:#EDEBFA;border:none;width:82vw;max-width:340px;}
.xk-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);}
.xk-drawer .offcanvas-title{font-size:16px;font-weight:700;color:#fff;}
.xk-drawer-list{list-style:none;padding:8px 0;margin:0;}
.xk-drawer-list li{border-bottom:1px solid rgba(255,255,255,.07);}
.xk-drawer-list a{display:block;padding:14px 4px;color:#EDEBFA;font-size:15px;}
.xk-drawer-list a:hover{color:var(--xk-gold);}
.xk-drawer-cta{padding:16px 0 24px;}
.xk-drawer-cta .xk-btn{width:100%;}
@media (max-width:991.98px){
  .xk-nav-links{display:none;}
  .xk-nav-toggle{display:inline-flex;}
  .xk-nav-inner{height:56px;}
  .xk-nav-right .xk-badge-gold{display:none;}
  .xk-logo-text{font-size:15px;}
}

/* ---------- 文章页头 ---------- */
.xk-art-head{
  background:
    radial-gradient(circle at 12% 20%, rgba(106,76,246,.10), transparent 45%),
    linear-gradient(180deg,#FFFFFF 0%, var(--xk-bg) 100%);
  border-bottom:1px solid var(--xk-line);
  padding:34px 0 40px;
}
.xk-crumb{
  font-size:13px;color:var(--xk-text-3);display:flex;flex-wrap:wrap;
  align-items:center;gap:6px;margin-bottom:18px;
}
.xk-crumb a{color:var(--xk-text-2);}
.xk-crumb a:hover{color:var(--xk-primary);}
.xk-crumb .xk-sep{color:#C9C5DE;}
.xk-crumb .xk-crumb-now{color:var(--xk-text-3);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.xk-art-title{max-width:860px;}
.xk-art-title h1{
  font-size:clamp(24px,3.1vw,34px);font-weight:700;line-height:1.4;
  margin:14px 0 16px;color:var(--xk-text);letter-spacing:.2px;
}
.xk-art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  font-size:13px;color:var(--xk-text-3);
}
.xk-art-meta span{display:inline-flex;align-items:center;gap:6px;}
.xk-art-meta .xk-dot{width:3px;height:3px;border-radius:50%;background:#CFCBDF;}

/* ---------- 文章主体 ---------- */
.xk-art-wrap{padding:48px 0 64px;}
.xk-art-card{
  background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  box-shadow:var(--xk-sh1);padding:40px 44px 36px;
}
.xk-art-inner{max-width:760px;margin:0 auto;}
.xk-article-body{font-size:16px;line-height:1.9;color:var(--xk-text);}
.xk-article-body > *:first-child{margin-top:0;}
.xk-article-body p{margin:0 0 1.2em;line-height:1.9;}
.xk-article-body h2{
  font-size:clamp(20px,2.3vw,25px);font-weight:700;line-height:1.45;
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--xk-primary);
}
.xk-article-body h3{font-size:18px;font-weight:600;margin:1.7em 0 .6em;line-height:1.5;}
.xk-article-body h4{font-size:16px;font-weight:600;margin:1.5em 0 .5em;}
.xk-article-body ul,.xk-article-body ol{margin:0 0 1.2em;padding-left:0;list-style:none;}
.xk-article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em;line-height:1.85;}
.xk-article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--xk-primary);
}
.xk-article-body ol{counter-reset:xk-ol;}
.xk-article-body ol li{position:relative;padding-left:26px;margin-bottom:.55em;counter-increment:xk-ol;line-height:1.85;}
.xk-article-body ol li::before{
  content:counter(xk-ol);position:absolute;left:0;top:.34em;
  width:18px;height:18px;border-radius:6px;background:var(--xk-primary-l);color:var(--xk-primary);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.xk-article-body img{border-radius:var(--xk-r-img);box-shadow:var(--xk-sh2);margin:1.4em auto;}
.xk-article-body figure{margin:1.5em 0;}
.xk-article-body figcaption{font-size:13px;color:var(--xk-text-3);text-align:center;margin-top:10px;}
.xk-article-body blockquote{
  margin:1.5em 0;padding:16px 20px;background:var(--xk-primary-l);
  border-left:3px solid var(--xk-primary);border-radius:0 12px 12px 0;
  color:var(--xk-text-2);font-size:15.5px;
}
.xk-article-body blockquote p:last-child{margin-bottom:0;}
.xk-article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--xk-line);border-radius:12px;overflow:hidden;
}
.xk-article-body th,.xk-article-body td{padding:11px 14px;border-bottom:1px solid var(--xk-line);text-align:left;}
.xk-article-body th{background:var(--xk-primary-l);color:var(--xk-text);font-weight:600;font-size:14px;}
.xk-article-body tbody tr:nth-child(even){background:var(--xk-bg);}
.xk-article-body tbody tr:last-child td{border-bottom:none;}
.xk-article-body pre{
  background:#F2F1F8;border:1px solid var(--xk-line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.4em 0;
}
.xk-article-body code{
  background:#F2F1F8;border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
.xk-article-body pre code{background:none;padding:0;}
.xk-article-body hr{border:none;border-top:1px solid var(--xk-line);margin:2em 0;}
.xk-article-body strong{font-weight:700;}
@media (max-width:767.98px){
  .xk-art-card{padding:26px 20px 22px;border-radius:14px;}
  .xk-article-body{font-size:15.5px;line-height:1.85;}
}

/* 空态 */
.xk-empty{
  text-align:center;padding:48px 16px;color:var(--xk-text-2);
}
.xk-empty svg{width:46px;height:46px;margin:0 auto 14px;color:var(--xk-primary);}
.xk-empty p{margin:0 0 18px;font-size:15px;}

/* ---------- 相关推荐 ---------- */
.xk-related{padding:64px 0 8px;}
.xk-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.xk-sec-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin:0;}
.xk-sec-head p{margin:8px 0 0;color:var(--xk-text-2);font-size:14px;}
.xk-rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991.98px){.xk-rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.xk-rel-grid{grid-template-columns:1fr;}}
.xk-card{
  background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  box-shadow:var(--xk-sh1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.xk-card:hover{transform:translateY(-4px);box-shadow:var(--xk-sh2);border-color:rgba(106,76,246,.3);}
.xk-card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EFEEF7;}
.xk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.xk-card:hover .xk-card-media img{transform:scale(1.03);}
.xk-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.xk-card-body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;margin:0;color:var(--xk-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xk-card-body p{
  margin:0;font-size:14px;color:var(--xk-text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xk-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}
.xk-card-link{font-size:14px;font-weight:600;color:var(--xk-primary);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 返回条 ---------- */
.xk-back-bar{
  margin-top:44px;padding:22px 24px;border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  background:var(--xk-surface);box-shadow:var(--xk-sh1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.xk-back-bar .xk-back-text{font-size:14px;color:var(--xk-text-2);}
.xk-back-bar .xk-back-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 底部 CTA ---------- */
.xk-cta{
  position:relative;overflow:hidden;background:var(--xk-void);
  color:#fff;padding:64px 0;margin-top:72px;
}
.xk-cta::after{
  content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,76,246,.38),transparent 68%);
}
.xk-cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;text-align:center;}
.xk-cta h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;margin:0 0 14px;}
.xk-cta p{color:rgba(237,235,250,.78);font-size:15px;margin:0 0 26px;}
.xk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.xk-stars span{position:absolute;width:2px;height:2px;border-radius:50%;background:#fff;opacity:.4;}

/* ---------- 页脚 ---------- */
.xk-footer{background:var(--xk-void);color:rgba(237,235,250,.72);padding:64px 0 26px;font-size:14px;}
.xk-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;}
.xk-footer p{margin:0 0 18px;line-height:1.8;font-size:14px;}
.xk-footer h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.xk-footer-list{list-style:none;padding:0;margin:0;}
.xk-footer-list li{margin-bottom:11px;line-height:1.6;}
.xk-footer-list a{color:rgba(237,235,250,.72);}
.xk-footer-list a:hover{color:var(--xk-gold);}
.xk-footer-form{display:flex;gap:10px;max-width:360px;}
.xk-input{
  flex:1;height:44px;padding:0 14px;border-radius:var(--xk-r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.xk-input::placeholder{color:rgba(237,235,250,.5);}
.xk-input:focus{outline:none;border-color:var(--xk-primary);box-shadow:0 0 0 2px rgba(106,76,246,.35);}
.xk-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:13px;
  color:rgba(237,235,250,.5);
}
@media (max-width:575.98px){
  .xk-footer-form{flex-direction:column;max-width:100%;}
  .xk-footer-form .xk-btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --xk-void:#0E0B22;
  --xk-void-2:#1A1533;
  --xk-primary:#6A4CF6;
  --xk-primary-d:#5638E0;
  --xk-primary-l:#EFEBFF;
  --xk-accent:#26D3C0;
  --xk-gold:#F6C86A;
  --xk-bg:#F7F6FC;
  --xk-surface:#FFFFFF;
  --xk-line:#E6E4F2;
  --xk-text:#1C1832;
  --xk-text-2:#5A5578;
  --xk-text-3:#8C87A6;
  --xk-danger:#E8556D;
  --xk-sh1:0 1px 2px rgba(28,24,50,.06);
  --xk-sh2:0 6px 20px rgba(28,24,50,.08);
  --xk-sh3:0 16px 40px rgba(28,24,50,.14);
  --xk-r-card:16px;
  --xk-r-img:12px;
  --xk-r-btn:10px;
  --xk-r-pill:999px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--xk-bg);
  color:var(--xk-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--xk-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--xk-primary-d);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--xk-text);letter-spacing:0;line-height:1.35;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--xk-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media(min-width:768px){.container{padding-left:20px;padding-right:20px;}}
@media(min-width:992px){.container{padding-left:24px;padding-right:24px;}}

/* ============ 导航 ============ */
.xk-header{position:sticky;top:0;z-index:1030;}
.xk-nav{background:rgba(14,11,34,.92);border-bottom:1px solid rgba(255,255,255,.07);transition:background .25s ease;}
.xk-nav.xk-nav-solid{background:var(--xk-void);}
.xk-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;}
.xk-logo{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.xk-logo:hover{color:#fff;}
.xk-logo-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--xk-primary),var(--xk-void-2));
  display:flex;align-items:center;justify-content:center;
}
.xk-logo-mark svg{width:20px;height:20px;}
.xk-logo-text{font-size:17px;font-weight:700;line-height:1.15;display:flex;flex-direction:column;letter-spacing:.2px;}
.xk-logo-text small{font-size:11px;font-weight:400;color:#B9B3D8;letter-spacing:1px;}
.xk-nav-links{display:none;align-items:center;gap:6px;}
.xk-nav-links a{
  position:relative;color:#EDEBFA;font-size:15px;padding:20px 12px;display:inline-block;line-height:1;
}
.xk-nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:12px;height:2px;
  background:var(--xk-primary);transition:left .25s ease,right .25s ease;
}
.xk-nav-links a:hover{color:#fff;}
.xk-nav-links a:hover::after{left:12px;right:12px;}
.xk-nav-links a.xk-active{color:#fff;}
.xk-nav-links a.xk-active::before{
  content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--xk-primary);
}
.xk-nav-links a.xk-active::after{left:12px;right:12px;}
.xk-nav-right{display:flex;align-items:center;gap:10px;}
.xk-badge-gold{
  display:none;font-size:12px;color:#3B2A05;background:var(--xk-gold);
  border-radius:var(--xk-r-pill);padding:4px 10px;font-weight:600;
}
.xk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--xk-r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .22s ease;white-space:nowrap;
}
.xk-btn-sm{height:38px;padding:0 16px;font-size:14px;}
.xk-btn-primary{background:var(--xk-primary);color:#fff;box-shadow:var(--xk-sh1);}
.xk-btn-primary:hover{background:var(--xk-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--xk-sh2);}
.xk-btn-outline{background:#fff;color:var(--xk-primary);border-color:rgba(106,76,246,.45);}
.xk-btn-outline:hover{background:var(--xk-primary-l);color:var(--xk-primary-d);border-color:var(--xk-primary);transform:translateY(-1px);}
.xk-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
.xk-btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.xk-nav-toggle{
  width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.xk-nav-toggle:hover{background:rgba(255,255,255,.16);}
@media(min-width:992px){
  .xk-nav-links{display:flex;}
  .xk-badge-gold{display:inline-block;}
  .xk-nav-toggle{display:none;}
}
.xk-drawer{background:var(--xk-void);color:#EDEBFA;width:min(88vw,360px);}
.xk-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);}
.xk-drawer .offcanvas-title{color:#fff;font-size:16px;font-weight:700;}
.xk-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.8;}
.xk-drawer-list{padding:8px 0;}
.xk-drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  color:#EDEBFA;padding:14px 20px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);
}
.xk-drawer-list a:hover,.xk-drawer-list a.xk-active{background:rgba(106,76,246,.18);color:#fff;}
.xk-drawer-foot{padding:16px 20px 24px;margin-top:auto;}

/* ============ 页头 ============ */
.xk-subhero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FBFAFF 0%,#F1EFFB 100%);
  border-bottom:1px solid var(--xk-line);
  padding:36px 0 44px;
}
.xk-subhero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.10;
}
.xk-subhero::after{
  content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(38,211,192,.28),rgba(38,211,192,0) 68%);
}
.xk-subhero .container{position:relative;z-index:2;}
.xk-crumb{font-size:13px;color:var(--xk-text-3);margin-bottom:16px;}
.xk-crumb a{color:var(--xk-text-2);}
.xk-crumb a:hover{color:var(--xk-primary);}
.xk-crumb span.sep{margin:0 8px;color:var(--xk-text-3);}
.xk-crumb .now{color:var(--xk-text);font-weight:600;}
.xk-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--xk-primary-l);color:var(--xk-primary-d);
  border-radius:var(--xk-r-pill);padding:5px 14px;font-size:13px;font-weight:600;margin-bottom:14px;
}
.xk-kicker i{width:6px;height:6px;border-radius:50%;background:var(--xk-accent);display:block;}
.xk-subhero h1{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px;max-width:900px;}
.xk-subhero .lead{font-size:16px;color:var(--xk-text-2);max-width:760px;margin:0;}
.xk-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.xk-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:5px 12px;
  border-radius:var(--xk-r-pill);background:#fff;border:1px solid var(--xk-line);color:var(--xk-text-2);
}
.xk-tag-accent{border-color:rgba(38,211,192,.5);color:#0E7C72;}
.xk-tag-gold{background:var(--xk-gold);border-color:transparent;color:#3B2A05;font-weight:600;}

/* ============ 指标条 ============ */
.xk-metrics{
  background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  box-shadow:var(--xk-sh1);padding:22px 8px;margin-top:-32px;position:relative;z-index:5;
}
.xk-metrics-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.xk-metric{text-align:center;padding:0 6px;}
.xk-metric b{display:block;font-size:24px;font-weight:700;color:var(--xk-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.xk-metric span{font-size:13px;color:var(--xk-text-2);}
@media(min-width:768px){.xk-metrics-row{grid-template-columns:repeat(4,1fr);}}

/* ============ 主体两栏 ============ */
.xk-section{padding:56px 0;}
@media(min-width:992px){.xk-section{padding:80px 0;}}
.xk-layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:992px){.xk-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px;}}
.xk-block-head{margin-bottom:26px;}
.xk-block-head h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px;}
.xk-block-head p{color:var(--xk-text-2);font-size:15px;max-width:680px;margin:0;}

.xk-list{display:flex;flex-direction:column;gap:20px;}
.xk-lc-card{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  box-shadow:var(--xk-sh1);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.xk-lc-card:hover{transform:translateY(-4px);box-shadow:var(--xk-sh2);border-color:rgba(106,76,246,.3);}
.xk-lc-media{overflow:hidden;background:var(--xk-primary-l);}
.xk-lc-media img{width:100%;height:190px;object-fit:cover;transition:transform .35s ease;}
.xk-lc-card:hover .xk-lc-media img{transform:scale(1.03);}
.xk-lc-body{padding:20px 20px 22px;display:flex;flex-direction:column;}
.xk-lc-body h3{font-size:19px;margin-bottom:10px;}
.xk-lc-body p{font-size:14.5px;color:var(--xk-text-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.xk-lc-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;flex-wrap:wrap;}
.xk-chip{
  font-size:12.5px;padding:4px 12px;border-radius:var(--xk-r-pill);
  background:var(--xk-primary-l);color:var(--xk-primary-d);font-weight:600;
}
.xk-link-arrow{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.xk-link-arrow svg{width:14px;height:14px;transition:transform .22s ease;}
.xk-link-arrow:hover svg{transform:translateX(3px);}
@media(min-width:768px){
  .xk-lc-card{grid-template-columns:240px 1fr;}
  .xk-lc-media img{height:100%;min-height:180px;}
}

/* ============ 侧栏 ============ */
.xk-side{display:flex;flex-direction:column;gap:20px;}
@media(min-width:992px){.xk-side{position:sticky;top:88px;align-self:start;}}
.xk-side-card{
  background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  box-shadow:var(--xk-sh1);padding:22px;
}
.xk-side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.xk-side-card h3 i{width:8px;height:8px;border-radius:2px;background:var(--xk-primary);display:block;}
.xk-points li{
  display:flex;gap:10px;font-size:14px;color:var(--xk-text-2);padding:9px 0;border-bottom:1px dashed var(--xk-line);
}
.xk-points li:last-child{border-bottom:0;padding-bottom:0;}
.xk-points li svg{width:16px;height:16px;flex-shrink:0;margin-top:5px;color:var(--xk-accent);}
.xk-anchor-list li{border-bottom:1px solid var(--xk-line);}
.xk-anchor-list li:last-child{border-bottom:0;}
.xk-anchor-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14.5px;color:var(--xk-text);min-height:44px;
}
.xk-anchor-list a:hover{color:var(--xk-primary);}
.xk-anchor-list span{color:var(--xk-text-3);font-size:13px;}
.xk-side-cta{
  background:var(--xk-void);color:#EDEBFA;border-color:transparent;box-shadow:var(--xk-sh2);
  position:relative;overflow:hidden;
}
.xk-side-cta::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(106,76,246,.55),rgba(106,76,246,0) 70%);
}
.xk-side-cta h3{color:#fff;}
.xk-side-cta h3 i{background:var(--xk-gold);}
.xk-side-cta p{color:#BEB8DC;font-size:14px;position:relative;z-index:2;}
.xk-side-cta .xk-btn{width:100%;position:relative;z-index:2;}
.xk-side-note{font-size:12.5px;color:#8F89B2;text-align:center;margin-top:10px;position:relative;z-index:2;}

/* ============ 横条说明 ============ */
.xk-strips{display:flex;flex-direction:column;gap:16px;}
.xk-strip{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--xk-surface);border:1px solid var(--xk-line);border-left:4px solid var(--xk-primary);
  border-radius:12px;padding:18px 22px;box-shadow:var(--xk-sh1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.xk-strip:hover{transform:translateX(4px);box-shadow:var(--xk-sh2);}
.xk-strip-icon{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;
  background:var(--xk-primary-l);color:var(--xk-primary);display:flex;align-items:center;justify-content:center;
}
.xk-strip-icon svg{width:20px;height:20px;}
.xk-strip h3{font-size:16.5px;margin-bottom:6px;}
.xk-strip p{font-size:14.5px;color:var(--xk-text-2);margin:0;}
.xk-strip.accent{border-left-color:var(--xk-accent);}
.xk-strip.accent .xk-strip-icon{background:rgba(38,211,192,.14);color:#0E7C72;}
.xk-strip.gold{border-left-color:var(--xk-gold);}
.xk-strip.gold .xk-strip-icon{background:rgba(246,200,106,.22);color:#8A6414;}

/* ============ FAQ ============ */
.xk-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--xk-line);}
.xk-faq .accordion-button{
  background:transparent;color:var(--xk-text);font-size:16px;font-weight:600;
  padding:20px 46px 20px 0;box-shadow:none;border-radius:0!important;
}
.xk-faq .accordion-button::after{
  background-image:none;content:"";position:absolute;right:6px;top:50%;
  width:14px;height:14px;margin-top:-7px;
  background:
    linear-gradient(var(--xk-primary),var(--xk-primary)) center/100% 2px no-repeat,
    linear-gradient(var(--xk-primary),var(--xk-primary)) center/2px 100% no-repeat;
  transition:transform .28s ease;
}
.xk-faq .accordion-button:not(.collapsed){color:var(--xk-primary);background:transparent;}
.xk-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.xk-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--xk-primary);outline-offset:2px;}
.xk-faq .accordion-body{padding:0 40px 22px 0;color:var(--xk-text-2);font-size:14.8px;}

/* ============ CTA ============ */
.xk-cta{
  background:linear-gradient(135deg,var(--xk-void) 0%,var(--xk-void-2) 100%);
  border-radius:20px;padding:44px 24px;position:relative;overflow:hidden;text-align:center;color:#EDEBFA;
}
.xk-cta::after{
  content:"";position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  width:520px;height:300px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(106,76,246,.45),rgba(106,76,246,0) 70%);
}
.xk-cta-inner{position:relative;z-index:2;}
.xk-cta h2{color:#fff;font-size:clamp(21px,2.6vw,28px);margin-bottom:12px;}
.xk-cta p{color:#BEB8DC;max-width:640px;margin:0 auto 24px;font-size:15px;}
.xk-cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ 页脚 ============ */
.xk-footer{background:var(--xk-void);color:#B9B3D8;padding:60px 0 0;margin-top:80px;}
.xk-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.xk-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.xk-footer p{font-size:14px;color:#A9A3C8;max-width:360px;}
.xk-footer-list li{margin-bottom:10px;font-size:14px;}
.xk-footer-list a{color:#B9B3D8;}
.xk-footer-list a:hover{color:#fff;}
.xk-footer-form{display:flex;gap:10px;margin-top:18px;max-width:400px;}
.xk-input{
  flex:1;height:44px;border-radius:var(--xk-r-btn);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;min-width:0;
}
.xk-input::placeholder{color:#8F89B2;}
.xk-input:focus{outline:none;border-color:var(--xk-primary);box-shadow:0 0 0 2px rgba(106,76,246,.35);}
.xk-footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8F89B2;
}
@media(max-width:575.98px){
  .xk-footer-form{flex-direction:column;}
  .xk-footer-form .xk-btn{width:100%;}
  .xk-cta{padding:34px 18px;}
}

/* roulang page: category2 */
:root{
  --xk-void:#0E0B22;
  --xk-void-2:#1A1533;
  --xk-primary:#6A4CF6;
  --xk-primary-d:#5638E0;
  --xk-primary-l:#EFEBFF;
  --xk-accent:#26D3C0;
  --xk-gold:#F6C86A;
  --xk-bg:#F7F6FC;
  --xk-surface:#FFFFFF;
  --xk-line:#E6E4F2;
  --xk-text:#1C1832;
  --xk-text-2:#5A5578;
  --xk-text-3:#8C87A6;
  --xk-danger:#E8556D;
  --xk-r-card:16px;
  --xk-r-img:12px;
  --xk-r-btn:10px;
  --xk-sh1:0 1px 2px rgba(28,24,50,.06);
  --xk-sh2:0 6px 20px rgba(28,24,50,.08);
  --xk-sh3:0 16px 40px rgba(28,24,50,.14);
  --xk-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:var(--xk-text);
  background:var(--xk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--xk-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--xk-primary-d);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--xk-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--xk-container);margin:0 auto;padding:0 24px;}
@media (max-width:767px){.container{padding:0 16px;}}

/* ---------- 顶部活动条 ---------- */
.xk-topbar{
  background:var(--xk-void);
  color:#D8D4F0;
  font-size:13px;
  border-bottom:1px solid rgba(255,255,255,.07);
  position:relative;
  z-index:1035;
}
.xk-topbar-inner{
  min-height:36px;
  display:flex;align-items:center;justify-content:center;gap:16px;
  flex-wrap:wrap;
  padding:6px 0;
}
.xk-topbar .xk-dot{
  width:7px;height:7px;border-radius:50%;background:var(--xk-accent);
  box-shadow:0 0 0 3px rgba(38,211,192,.18);display:inline-block;
}
.xk-countdown{
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  color:var(--xk-gold);
  font-weight:700;
  padding:2px 10px;
  border:1px solid rgba(246,200,106,.35);
  border-radius:999px;
}
.xk-topbar-close{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:#9C97BD;font-size:18px;line-height:1;
  min-width:32px;min-height:32px;border-radius:8px;
}
.xk-topbar-close:hover{color:#fff;background:rgba(255,255,255,.08);}

/* ---------- 导航 ---------- */
.xk-header{position:sticky;top:0;z-index:1030;}
.xk-nav{
  background:rgba(14,11,34,.92);
  transition:background .25s ease,box-shadow .25s ease;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.xk-nav.is-scrolled{background:var(--xk-void);box-shadow:0 8px 24px rgba(14,11,34,.28);}
.xk-nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;
}
.xk-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;min-height:44px;}
.xk-logo:hover{color:#fff;}
.xk-logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--xk-primary),#8E6BFF);
  display:grid;place-items:center;flex:0 0 auto;
}
.xk-logo-mark svg{width:18px;height:18px;}
.xk-logo-text{display:flex;flex-direction:column;line-height:1.2;font-size:16px;font-weight:700;letter-spacing:.01em;}
.xk-logo-text small{font-size:11px;font-weight:400;color:#A7A2CC;letter-spacing:.08em;}
.xk-nav-links{display:flex;align-items:center;gap:26px;}
.xk-nav-links a{
  position:relative;color:#EDEBFA;font-size:15px;
  display:inline-flex;align-items:center;min-height:44px;
}
.xk-nav-links a::after{
  content:"";position:absolute;left:50%;bottom:8px;height:2px;width:0;
  background:var(--xk-primary);transform:translateX(-50%);
  transition:width .28s ease;border-radius:2px;
}
.xk-nav-links a:hover{color:#fff;}
.xk-nav-links a:hover::after{width:64%;}
.xk-nav-links a.xk-active{color:#fff;font-weight:600;}
.xk-nav-links a.xk-active::after{width:44%;}
.xk-nav-links a.xk-active::before{
  content:"";position:absolute;left:50%;top:6px;width:5px;height:5px;border-radius:50%;
  background:var(--xk-primary);transform:translateX(-50%);
}
.xk-nav-right{display:flex;align-items:center;gap:12px;}
.xk-badge-gold{
  font-size:12px;color:#5A3E05;background:var(--xk-gold);
  border-radius:999px;padding:4px 10px;font-weight:700;white-space:nowrap;
}
.xk-nav-toggle{
  display:none;background:transparent;border:1px solid rgba(255,255,255,.25);
  color:#fff;border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center;
}
.xk-nav-toggle:hover{background:rgba(255,255,255,.1);}

/* 抽屉 */
.xk-drawer{background:var(--xk-void);color:#EDEBFA;width:min(86vw,340px);border:0;}
.xk-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);}
.xk-drawer .offcanvas-title{font-size:15px;font-weight:700;color:#fff;}
.xk-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.xk-drawer-list{padding:12px 0;display:flex;flex-direction:column;}
.xk-drawer-list a{
  color:#EDEBFA;padding:14px 24px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.05);
}
.xk-drawer-list a.xk-active{color:var(--xk-gold);font-weight:600;}
.xk-drawer-cta{padding:16px 24px 28px;}

/* ---------- 按钮 ---------- */
.xk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--xk-r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
  text-align:center;
}
.xk-btn-primary{background:var(--xk-primary);color:#fff;}
.xk-btn-primary:hover{background:var(--xk-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--xk-sh2);}
.xk-btn-ghost{background:transparent;color:var(--xk-primary);border-color:rgba(106,76,246,.5);}
.xk-btn-ghost:hover{background:var(--xk-primary-l);color:var(--xk-primary-d);border-color:var(--xk-primary);}
.xk-btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.72);}
.xk-btn-on-dark:hover{background:#fff;color:var(--xk-void);}
.xk-btn-sm{min-height:38px;padding:0 16px;font-size:14px;}

/* ---------- 页头 ---------- */
.xk-pagehead{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F6FC 100%);
  border-bottom:1px solid var(--xk-line);
  padding:38px 0 42px;
  min-height:260px;
  display:flex;align-items:center;
}
.xk-pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center right;
  opacity:.11;pointer-events:none;
}
.xk-pagehead::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(106,76,246,.35) 1.4px,transparent 1.5px);
  background-size:56px 56px;opacity:.32;
}
.xk-pagehead .container{position:relative;z-index:2;}
.xk-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--xk-text-3);margin-bottom:14px;
}
.xk-breadcrumb a{color:var(--xk-text-2);}
.xk-breadcrumb a:hover{color:var(--xk-primary);}
.xk-breadcrumb span.xk-sep{color:var(--xk-text-3);}
.xk-pagehead h1{
  font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:.005em;
  max-width:860px;line-height:1.35;
}
.xk-pagehead p{
  margin-top:14px;max-width:720px;color:var(--xk-text-2);font-size:16px;
}
.xk-pagehead-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.xk-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;border-radius:999px;padding:5px 13px;
  background:var(--xk-primary-l);color:var(--xk-primary);font-weight:600;
}
.xk-tag-outline{background:#fff;border:1px solid var(--xk-line);color:var(--xk-text-2);font-weight:500;}
.xk-tag-accent{background:rgba(38,211,192,.12);color:#12857A;font-weight:600;}

/* ---------- 锚点条 ---------- */
.xk-anchors{
  position:sticky;top:64px;z-index:1020;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--xk-line);
  box-shadow:0 2px 10px rgba(28,24,50,.04);
}
.xk-anchors-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:12px 0;
  scrollbar-width:none;
}
.xk-anchors-scroll::-webkit-scrollbar{display:none;}
.xk-anchors a{
  flex:0 0 auto;font-size:14px;color:var(--xk-text-2);
  border:1px solid var(--xk-line);border-radius:999px;
  padding:8px 16px;background:#fff;min-height:40px;display:inline-flex;align-items:center;
  transition:all .2s ease;
}
.xk-anchors a:hover{color:var(--xk-primary);border-color:rgba(106,76,246,.5);background:var(--xk-primary-l);}

/* ---------- 通用板块 ---------- */
.xk-section{padding:72px 0;}
.xk-section-alt{background:#fff;border-top:1px solid var(--xk-line);border-bottom:1px solid var(--xk-line);}
.xk-section-head{margin-bottom:32px;max-width:760px;}
.xk-section-head h2{
  font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4;
}
.xk-section-head p{margin-top:12px;color:var(--xk-text-2);}
.xk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--xk-primary);
  font-weight:700;margin-bottom:12px;text-transform:uppercase;
}
.xk-eyebrow::before{content:"";width:18px;height:2px;background:var(--xk-primary);border-radius:2px;}

/* ---------- 卡片网格 ---------- */
.xk-pcard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.xk-pcard{
  background:var(--xk-surface);border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  box-shadow:var(--xk-sh1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.xk-pcard:hover{transform:translateY(-4px);box-shadow:var(--xk-sh2);border-color:rgba(106,76,246,.3);}
.xk-pcard-media{position:relative;overflow:hidden;background:var(--xk-void-2);}
.xk-pcard-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .35s ease;
}
.xk-pcard:hover .xk-pcard-media img{transform:scale(1.03);}
.xk-corner{
  position:absolute;top:12px;left:12px;
  font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px;
  background:var(--xk-gold);color:#5A3E05;
}
.xk-corner-cyan{background:var(--xk-accent);color:#08423B;}
.xk-corner-purple{background:var(--xk-primary);color:#fff;}
.xk-pcard-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.xk-pcard-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.xk-pcard-body p{margin-top:10px;color:var(--xk-text-2);font-size:14.5px;}
.xk-spec{
  margin-top:16px;padding:12px 0;border-top:1px solid var(--xk-line);border-bottom:1px solid var(--xk-line);
  display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--xk-text-2);
}
.xk-spec b{color:var(--xk-text);font-variant-numeric:tabular-nums;font-weight:700;}
.xk-pcard-actions{display:flex;gap:10px;margin-top:18px;}
.xk-pcard-actions .xk-btn{flex:1 1 0;padding:0 12px;font-size:14px;}

/* ---------- 参数对照条 ---------- */
.xk-specbar{
  background:#fff;border:1px solid var(--xk-line);border-radius:var(--xk-r-card);
  box-shadow:var(--xk-sh1);overflow:hidden;
}
.xk-specbar-row{
  display:grid;grid-template-columns:1.2fr 1.2fr 0.8fr 1.2fr;gap:12px;
  padding:16px 22px;border-bottom:1px solid var(--xk-line);
  align-items:center;font-size:14.5px;
  transition:background .2s ease;
}
.xk-specbar-row:last-child{border-bottom:0;}
.xk-specbar-row:hover{background:#FBFAFF;}
.xk-specbar-row.xk-specbar-head{
  background:var(--xk-primary-l);color:var(--xk-primary);font-weight:700;font-size:13.5px;
  letter-spacing:.03em;
}
.xk-specbar-row.xk-specbar-head:hover{background:var(--xk-primary-l);}
.xk-specbar-row strong{font-weight:600;}
.xk-specbar-row .xk-num{font-variant-numeric:tabular-nums;color:var(--xk-text-2);}
.xk-specbar-note{
  padding:14px 22px;font-size:13px;color:var(--xk-text-3);
  background:var(--xk-bg);border-top:1px solid var(--xk-line);
}

/* ---------- 流程 ---------- */
.xk-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.xk-flow-item{
  position:relative;background:#fff;border:1px solid var(--xk-line);
  border-radius:var(--xk-r-card);padding:24px 22px;box-shadow:var(--xk-sh1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.xk-flow-item:hover{transform:translateY(-4px);box-shadow:var(--xk-sh2);border-color:rgba(106,76,246,.3);}
.xk-flow-num{
  width:38px;height:38px;border-radius:12px;background:var(--xk-primary-l);color:var(--xk-primary);
  display:grid;place-items:center;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.xk-flow-item h3{font-size:17px;font-weight:600;}
.xk-flow-item p{margin-top:10px;color:var(--xk-text-2);font-size:14.5px;}

/* ---------- 风险提示 ---------- */
.xk-risk-list{display:flex;flex-direction:column;gap:14px;}
.xk-risk{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--xk-line);border-left:3px solid var(--xk-danger);
  border-radius:12px;padding:20px 24px;box-shadow:var(--xk-sh1);
  transition:box-shadow .3s ease,transform .3s ease;
}
.xk-risk:hover{transform:translateX(2px);box-shadow:var(--xk-sh2);}
.xk-risk-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;
  background:rgba(232,85,109,.1);display:grid;place-items:center;color:var(--xk-danger);
}
.xk-risk h3{font-size:17px;font-weight:600;}
.xk-risk p{margin-top:8px;color:var(--xk-text-2);font-size:14.5px;}

/* ---------- FAQ ---------- */
.xk-faq-wrap{max-width:880px;}
.xk-faq .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--xk-line);
}
.xk-faq .accordion-item:first-child{border-top:1px solid var(--xk-line);}
.xk-faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--xk-text);
  font-size:16.5px;font-weight:600;padding:22px 44px 22px 0;
  display:flex;align-items:center;border-radius:0;
}
.xk-faq .accordion-button:not(.collapsed){color:var(--xk-primary);}
.xk-faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.xk-faq .accordion-button:focus-visible{outline:2px solid var(--xk-primary);outline-offset:2px;}
.xk-faq .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:22px;font-weight:400;line-height:1;color:var(--xk-text-3);
  display:grid;place-items:center;transform:none;margin-left:auto;
  transition:transform .28s ease,color .2s ease;
}
.xk-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--xk-primary);}
.xk-faq .accordion-body{
  padding:0 40px 24px 0;color:var(--xk-text-2);font-size:15px;
}

/* ---------- CTA ---------- */
.xk-cta{
  position:relative;overflow:hidden;background:var(--xk-void);color:#fff;
  border-radius:0;padding:64px 0;
}
.xk-cta::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.16;
}
.xk-cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 12% 28%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(2px 2px at 28% 72%,rgba(246,200,106,.5),transparent 60%),
    radial-gradient(2px 2px at 46% 22%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(2px 2px at 64% 66%,rgba(38,211,192,.5),transparent 60%),
    radial-gradient(2px 2px at 82% 34%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(2px 2px at 92% 78%,rgba(255,255,255,.32),transparent 60%);
}
.xk-cta .container{position:relative;z-index:2;}
.xk-cta-inner{
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
}
.xk-cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;max-width:640px;}
.xk-cta p{margin-top:14px;color:#C9C4E6;max-width:640px;}
.xk-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.xk-cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.xk-cta-tags span{
  font-size:13px;border-radius:999px;padding:5px 13px;
  border:1px solid rgba(38,211,192,.45);color:var(--xk-accent);
}
.xk-cta-tags span.xk-gold{border-color:rgba(246,200,106,.5);color:var(--xk-gold);}

/* ---------- 页脚 ---------- */
.xk-footer{background:var(--xk-void);color:#B9B4D6;padding:64px 0 24px;font-size:14.5px;}
.xk-footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;
}
.xk-footer-brand .xk-logo-mark{width:32px;height:32px;}
.xk-footer h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;}
.xk-footer p{color:#B9B4D6;max-width:360px;}
.xk-footer-list{display:flex;flex-direction:column;gap:10px;margin-top:0;}
.xk-footer-list li{color:#B9B4D6;}
.xk-footer-list a{color:#CFCBE8;}
.xk-footer-list a:hover{color:#fff;}
.xk-footer-form{display:flex;gap:10px;margin-top:22px;max-width:400px;}
.xk-input{
  flex:1 1 auto;min-height:44px;border-radius:var(--xk-r-btn);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14.5px;
}
.xk-input::placeholder{color:#8C87A6;}
.xk-input:focus{
  outline:none;border-color:var(--xk-primary);
  box-shadow:0 0 0 2px rgba(106,76,246,.32);
}
.xk-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#8C87A6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .xk-pcard-grid{gap:20px;}
}
@media (max-width:991px){
  .xk-nav-links{display:none;}
  .xk-nav-toggle{display:inline-flex;}
  .xk-nav-inner{min-height:56px;}
  .xk-anchors{top:56px;}
  .xk-pcard-grid{grid-template-columns:repeat(2,1fr);}
  .xk-flow{grid-template-columns:repeat(2,1fr);}
  .xk-section{padding:56px 0;}
  .xk-pagehead{padding:32px 0 36px;min-height:240px;}
}
@media (max-width:767px){
  .xk-pcard-grid{grid-template-columns:1fr;}
  .xk-specbar-row{grid-template-columns:1fr 1fr;gap:8px 12px;padding:14px 16px;}
  .xk-specbar-row.xk-specbar-head{display:none;}
  .xk-specbar-row>span:nth-child(3)::before{content:"耗时：";color:var(--xk-text-3);}
  .xk-specbar-row>span:nth-child(4)::before{content:"设备：";color:var(--xk-text-3);}
  .xk-flow{grid-template-columns:1fr;}
  .xk-cta{padding:48px 0;}
  .xk-cta-actions{width:100%;}
  .xk-cta-actions .xk-btn{flex:1 1 100%;}
  .xk-risk{flex-direction:column;gap:12px;padding:18px;}
  .xk-section{padding:48px 0;}
  .xk-topbar-inner{font-size:12.5px;gap:10px;padding-right:36px;}
  .xk-badge-gold{display:none;}
}
@media (max-width:520px){
  .xk-pcard-actions{flex-direction:column;}
  .xk-footer-form{flex-direction:column;}
  .xk-pagehead h1{font-size:24px;}
}