/* roulang page: index */
:root{
  --primary:#2A5BD7;
  --primary-dark:#1B3E9E;
  --primary-light:#E8EFFC;
  --accent:#12B3A6;
  --action:#FF7A1A;
  --action-hover:#E86A0C;
  --text:#0F1B2D;
  --text-2:#5A6B85;
  --text-3:#8A97AC;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --section:#F1F5FB;
  --border:#E4EAF3;
  --divider:#EDF1F7;
  --footer:#101E38;
  --footer-text:#B9C6DC;
  --success:#12A150;
  --danger:#E5484D;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --r-img:12px;
  --s-1:0 1px 2px rgba(15,27,45,.05);
  --s-card:0 6px 20px rgba(15,27,45,.07);
  --s-hover:0 14px 36px rgba(15,27,45,.12);
  --s-btn:0 6px 16px rgba(42,91,215,.28);
  --s-action:0 6px 16px rgba(255,122,26,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background-color:var(--section);border-radius:var(--r-img)}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--primary-dark);text-decoration:underline}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 按钮体系 ---------- */
.gk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.gk-btn:hover,.gk-btn:focus{text-decoration:none}
.gk-btn-primary{background:var(--primary);color:#fff;box-shadow:var(--s-btn)}
.gk-btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.gk-btn-primary:active{transform:scale(.98)}
.gk-btn-action{background:var(--action);color:#fff;box-shadow:var(--s-action)}
.gk-btn-action:hover{background:var(--action-hover);color:#fff;transform:translateY(-1px)}
.gk-btn-action:active{transform:scale(.98)}
.gk-btn-outline{background:#fff;border-color:var(--border);color:var(--text)}
.gk-btn-outline:hover{background:var(--primary-light);border-color:var(--primary-light);color:var(--primary-dark)}
.gk-btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.gk-btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark)}
.gk-btn-sm{height:40px;padding:0 18px;font-size:14px}
.gk-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary)}
.gk-link-arrow i{font-size:13px;transition:transform .2s ease-out}
.gk-link-arrow:hover{color:var(--primary-dark);text-decoration:none}
.gk-link-arrow:hover i{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.gk-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--border);transition:box-shadow .2s ease-out;
}
.gk-header.is-scrolled{box-shadow:var(--s-card)}
.gk-navbar{padding:0;background:#fff}
.gk-navbar>.container{min-height:68px;align-items:center}
.gk-brand{display:flex;align-items:center;gap:10px;text-decoration:none;padding:0}
.gk-brand:hover{text-decoration:none}
.gk-brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;letter-spacing:0;
}
.gk-brand-text{display:flex;flex-direction:column;line-height:1.15}
.gk-brand-name{font-size:17px;font-weight:700;color:var(--text)}
.gk-brand-sub{font-size:11px;color:var(--text-3);font-weight:400}
.gk-nav-list{gap:2px;align-items:center}
.gk-nav-list .nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:8px 14px;border-radius:8px;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.gk-nav-list .nav-link:hover{background:var(--primary-light);color:var(--primary)}
.gk-nav-list .nav-link.active{color:var(--primary);font-weight:600}
.gk-nav-list .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;
}
.gk-actions{display:flex;align-items:center;gap:12px}
.gk-search{position:relative;width:220px}
.gk-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid transparent;
  background:var(--bg);padding:0 16px 0 40px;font-size:14px;
  transition:background-color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.gk-search input::placeholder{color:var(--text-3)}
.gk-search input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 2px rgba(42,91,215,.18)}
.gk-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;pointer-events:none}
.gk-toggler{
  border:1px solid var(--border);border-radius:10px;width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--text-2);
}
.gk-toggler:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:2px}
.gk-mobile-search{margin:16px 0 8px}
.gk-mobile-search .gk-search{width:100%}
.gk-mobile-actions{display:flex;gap:12px;margin:12px 0 20px;flex-wrap:wrap}
.gk-mobile-actions .gk-btn{flex:1 1 140px}

/* ---------- 通用板块 ---------- */
.gk-section{padding:96px 0;scroll-margin-top:88px}
.gk-section-alt{background:var(--section);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.gk-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.gk-h2{
  position:relative;font-size:30px;font-weight:700;line-height:1.3;color:var(--text);
  padding-left:16px;
}
.gk-h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--primary);border-radius:2px;
}
.gk-lead{font-size:16px;line-height:1.85;color:var(--text-2);margin-top:14px;max-width:760px}
.gk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary);background:var(--primary-light);border-radius:999px;padding:5px 14px;
}

/* ---------- Hero ---------- */
.gk-hero{padding:72px 0 88px;background:linear-gradient(180deg,#F6F8FC 0%,#F1F5FB 100%);position:relative;overflow:hidden}
.gk-hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(42,91,215,.10),rgba(42,91,215,0) 70%);
}
.gk-hero-inner{position:relative;z-index:1}
.gk-hero h1{font-size:44px;font-weight:700;line-height:1.22;margin:20px 0 18px;color:var(--text)}
.gk-hero-sub{font-size:18px;line-height:1.8;color:var(--text-2);max-width:560px}
.gk-hero-actions{display:flex;align-items:center;gap:22px;margin-top:30px;flex-wrap:wrap}
.gk-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:34px}
.gk-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3)}
.gk-trust li i{color:var(--accent);font-size:15px}
.gk-hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--s-card);background:var(--section)}
.gk-hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg)}
.gk-hero-visual::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(#2A5BD7 1px,transparent 1px);background-size:16px 16px;opacity:.06;
}
.gk-hero-chip{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:600;color:var(--text-2);
  box-shadow:var(--s-1);display:flex;align-items:center;gap:8px;
}
.gk-hero-chip span{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- 信任条 ---------- */
.gk-trustbar{background:var(--section);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.gk-trustbar-list{display:grid;grid-template-columns:repeat(4,1fr)}
.gk-trustbar-list li{display:flex;align-items:center;justify-content:center;gap:10px;height:72px;font-size:14px;color:var(--text-2)}
.gk-trustbar-list li i{color:var(--accent);font-size:16px}

/* ---------- 问答卡 ---------- */
.gk-q-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.gk-q-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 24px 22px 30px;box-shadow:var(--s-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.gk-q-card::before{
  content:"";position:absolute;left:-1px;top:26px;width:4px;height:20px;
  background:var(--primary);border-radius:0 4px 4px 0;
}
.gk-q-card:hover{box-shadow:var(--s-card);transform:translateY(-2px)}
.gk-q-mark{
  display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;
  border-radius:8px;background:var(--primary-light);color:var(--primary);
  font-size:14px;font-weight:700;margin-bottom:12px;
}
.gk-q-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px}
.gk-q-card p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:14px}

/* ---------- 方案卡 ---------- */
.gk-sol-big{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--s-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.gk-sol-big:hover{box-shadow:var(--s-hover);transform:translateY(-4px)}
.gk-sol-media{aspect-ratio:16/9;overflow:hidden;background:var(--section)}
.gk-sol-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.gk-sol-body{padding:24px;display:flex;flex-direction:column;flex:1}
.gk-icon-round{
  width:42px;height:42px;border-radius:12px;background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px;
}
.gk-sol-big h3{font-size:20px;font-weight:600;margin-bottom:10px}
.gk-sol-big p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:18px}
.gk-sol-big .gk-link-arrow{margin-top:auto}
.gk-sol-side{display:grid;grid-template-rows:repeat(3,1fr);gap:24px;height:100%}
.gk-sol-small{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--s-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.gk-sol-small:hover{box-shadow:var(--s-card);transform:translateY(-2px)}
.gk-sol-small .gk-icon-round{margin-bottom:0;width:38px;height:38px;font-size:15px;flex:0 0 38px}
.gk-sol-small h3{font-size:17px;font-weight:600;margin-bottom:6px}
.gk-sol-small p{font-size:14px;line-height:1.75;color:var(--text-2)}

/* ---------- 数据条 ---------- */
.gk-stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);background:#fff;
  border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--s-1);overflow:hidden;
}
.gk-stat{padding:34px 24px;border-left:1px solid var(--divider)}
.gk-stat:first-child{border-left:none}
.gk-stat-num{font-size:38px;font-weight:600;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums}
.gk-stat-num em{font-style:normal;font-size:18px;color:var(--accent);margin-left:3px}
.gk-stat-label{font-size:14px;color:var(--text-3);margin-top:8px}
.gk-stats-note{font-size:12px;color:var(--text-3);margin-top:16px;line-height:1.7}

/* ---------- 资讯卡 ---------- */
.gk-news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--s-1);color:inherit;
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.gk-news-card:hover{box-shadow:var(--s-hover);transform:translateY(-4px);color:inherit;text-decoration:none}
.gk-news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--section)}
.gk-news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease-out}
.gk-news-card:hover .gk-news-thumb img{transform:scale(1.04)}
.gk-badge-cat{
  position:absolute;left:12px;top:12px;background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;line-height:1.5;
}
.gk-news-body{padding:20px 24px 22px;display:flex;flex-direction:column;flex:1}
.gk-news-title{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gk-news-sum{
  font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gk-news-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--text-3);margin-top:auto;padding-top:14px;border-top:1px solid var(--divider);
}
.gk-news-foot i{color:var(--primary);font-size:13px}
.gk-empty{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--border);
  border-radius:var(--r-md);color:var(--text-3);font-size:14px;
}
.gk-empty i{display:block;font-size:26px;color:var(--text-3);opacity:.6;margin-bottom:12px}

/* ---------- 表单 ---------- */
.gk-check-list{margin-top:20px;display:grid;gap:12px}
.gk-check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);line-height:1.75}
.gk-check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.gk-form-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--s-card);
}
.gk-form-card label{font-size:14px;font-weight:600;color:var(--text);display:block;margin-bottom:8px}
.gk-form-card .gk-field{margin-bottom:18px}
.gk-input,.gk-select,.gk-textarea{
  width:100%;height:44px;border-radius:var(--r-sm);border:1px solid var(--border);
  background:#fff;padding:0 14px;font-size:15px;color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.gk-textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:88px}
.gk-input::placeholder,.gk-textarea::placeholder{color:var(--text-3)}
.gk-input:focus,.gk-select:focus,.gk-textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(42,91,215,.18);
}
.gk-input.is-error,.gk-select.is-error{border-color:var(--danger);box-shadow:0 0 0 2px rgba(229,72,77,.14)}
.gk-err{font-size:12px;color:var(--danger);margin-top:6px}
.gk-form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:8px}
.gk-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin:0}
.gk-check input{width:16px;height:16px;accent-color:var(--primary);margin:0}
.gk-form-note{font-size:13px;color:var(--text-3);line-height:1.7;margin-top:16px}
.gk-form-tip{
  margin-top:16px;font-size:13px;color:var(--success);background:#EFFAF3;
  border:1px solid #CFEEDC;border-radius:var(--r-sm);padding:10px 14px;
}

/* ---------- FAQ ---------- */
.gk-faq-wrap{max-width:840px;margin:0 auto}
.gk-accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--s-1);
}
.gk-accordion .accordion-item:last-child{margin-bottom:0}
.gk-accordion .accordion-button{
  position:relative;width:100%;background:#fff;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  padding:20px 60px 20px 24px;box-shadow:none;
  transition:color .18s ease-out,box-shadow .18s ease-out;
}
.gk-accordion .accordion-button:not(.collapsed){color:var(--primary);box-shadow:inset 0 3px 0 0 var(--primary)}
.gk-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.gk-accordion .accordion-button::before,
.gk-accordion .accordion-button::after{content:"";position:absolute;background:var(--primary);transition:opacity .2s ease-out}
.gk-accordion .accordion-button::before{right:24px;top:50%;width:16px;height:1.6px;transform:translateY(-50%)}
.gk-accordion .accordion-button::after{right:31.2px;top:50%;width:1.6px;height:16px;transform:translateY(-50%)}
.gk-accordion .accordion-button:not(.collapsed)::after{opacity:0}
.gk-accordion .accordion-body{
  padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ---------- CTA 条 ---------- */
.gk-cta{
  background:var(--section);border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:36px 0;
}
.gk-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.gk-cta-title{font-size:20px;font-weight:600;color:var(--text)}
.gk-cta-sub{font-size:14px;color:var(--text-2);margin-top:6px}

/* ---------- 隐私条 ---------- */
.gk-privacy{
  background:var(--section);border-top:1px solid var(--border);
  padding:22px 0;
}
.gk-privacy-inner{display:flex;align-items:flex-start;gap:14px}
.gk-privacy-inner>i{color:var(--accent);font-size:18px;margin-top:4px}
.gk-privacy p{font-size:13px;line-height:1.75;color:var(--text-2)}
.gk-privacy a{font-size:13px}

/* ---------- 页脚 ---------- */
.gk-footer{background:var(--footer);color:var(--footer-text);padding:64px 0 0;margin-top:0}
.gk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.gk-footer-brand .gk-brand-mark{background:#fff;color:var(--footer)}
.gk-footer-brand .gk-brand-name{color:#fff}
.gk-footer-brand .gk-brand-sub{color:var(--footer-text)}
.gk-footer p{font-size:14px;line-height:1.85;color:var(--footer-text)}
.gk-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.gk-footer-links li{margin-bottom:10px}
.gk-footer-links a{font-size:14px;color:var(--footer-text)}
.gk-footer-links a:hover{color:#fff;text-decoration:none}
.gk-footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--footer-text);
}
.gk-footer-bottom a{color:var(--footer-text);font-size:13px}
.gk-footer-bottom a:hover{color:#fff;text-decoration:none}

/* ---------- 悬浮表单 ---------- */
.gk-float-card{
  position:fixed;right:24px;bottom:24px;width:320px;z-index:1050;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--s-hover);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s ease-out;
}
.gk-float-card.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.gk-float-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:14px}
.gk-float-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.5}
.gk-float-close{
  border:1px solid var(--border);background:#fff;color:var(--text-3);
  width:26px;height:26px;border-radius:8px;line-height:1;flex:0 0 26px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.gk-float-close:hover{background:var(--section);color:var(--text)}
.gk-float-card .gk-field{margin-bottom:12px}
.gk-float-card .gk-input,.gk-float-card .gk-select{height:40px;font-size:14px}
.gk-float-card label{font-size:13px}
.gk-float-card .gk-btn{width:100%}
.gk-float-note{font-size:12px;color:var(--text-3);line-height:1.6;margin-top:10px}

.gk-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1060;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border-top:1px solid var(--border);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px rgba(15,27,45,.07);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s ease-out;
}
.gk-mobile-bar.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.gk-mobile-bar span{font-size:13px;color:var(--text-2)}
.gk-drawer{
  position:fixed;left:0;right:0;bottom:0;z-index:1070;
  background:#fff;border-radius:20px 20px 0 0;border-top:1px solid var(--border);
  max-height:70vh;overflow-y:auto;padding:20px 16px calc(24px + env(safe-area-inset-bottom));
  box-shadow:0 -14px 36px rgba(15,27,45,.16);
  transform:translateY(102%);transition:transform .24s ease-out;display:none;
}
.gk-drawer.is-open{transform:translateY(0)}
.gk-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.gk-drawer-head strong{font-size:15px;color:var(--text)}

/* ---------- 返回顶部 ---------- */
.gk-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;z-index:1040;
  border-radius:50%;background:#fff;border:1px solid var(--border);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--s-card);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out,background-color .18s ease-out;
}
.gk-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.gk-top:hover{background:var(--primary-light);color:var(--primary-dark)}
.gk-top.lift{bottom:96px}

/* ---------- 栅格与响应式 ---------- */
@media (max-width:1199.98px){
  .gk-hero h1{font-size:38px}
  .gk-search{width:190px}
}
@media (max-width:991.98px){
  .gk-section{padding:64px 0}
  .gk-hero{padding:52px 0 64px}
  .gk-hero h1{font-size:32px}
  .gk-hero-sub{font-size:17px}
  .gk-h2{font-size:25px}
  .gk-sec-head{margin-bottom:30px}
  .gk-navbar>.container{min-height:58px}
  .gk-nav-list{gap:0;margin:6px 0 0}
  .gk-nav-list .nav-link{padding:12px 4px;border-radius:0;border-bottom:1px solid var(--divider)}
  .gk-nav-list .nav-link.active::after{left:4px;right:auto;width:28px}
  .gk-navbar .navbar-collapse{
    border-top:1px solid var(--border);padding-top:10px;margin-top:10px;
  }
  .gk-sol-side{grid-template-rows:none;height:auto}
  .gk-stats-grid{grid-template-columns:repeat(2,1fr)}
  .gk-stat:nth-child(3){border-left:none}
  .gk-stat{border-top:1px solid var(--divider)}
  .gk-stat:nth-child(-n+2){border-top:none}
  .gk-cta-inner{flex-direction:column;align-items:flex-start}
  .gk-cta .gk-btn{width:100%}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .gk-section{padding:48px 0}
  .gk-hero{padding:40px 0 48px}
  .gk-hero h1{font-size:28px}
  .gk-hero-sub{font-size:16px}
  .gk-hero-actions{gap:16px}
  .gk-hero-actions .gk-btn-action{width:100%}
  .gk-h2{font-size:22px}
  .gk-lead{font-size:15px}
  .gk-q-grid{grid-template-columns:1fr;gap:16px}
  .gk-q-card{padding:20px 20px 18px 24px}
  .gk-form-card{padding:20px}
  .gk-float-card{display:none}
  .gk-mobile-bar{display:flex}
  .gk-top{right:16px;bottom:78px}
  .gk-footer{padding-top:48px}
  .gk-footer-bottom{margin-top:32px}
}
@media (max-width:575.98px){
  .gk-trustbar-list{grid-template-columns:repeat(2,1fr)}
  .gk-trustbar-list li{height:52px;font-size:13px}
  .gk-stats-grid{grid-template-columns:1fr}
  .gk-stat{border-left:none}
  .gk-stat:nth-child(2){border-top:1px solid var(--divider)}
  .gk-stat-num{font-size:32px}
  .gk-form-foot .gk-btn{width:100%}
  .gk-sec-head .gk-link-arrow{display:none}
}

/* roulang page: article */
:root{
  --gk-primary:#2A5BD7;
  --gk-primary-dark:#1B3E9E;
  --gk-primary-soft:#E8EFFC;
  --gk-accent:#12B3A6;
  --gk-action:#FF7A1A;
  --gk-action-hover:#E86A0C;
  --gk-text:#0F1B2D;
  --gk-text-2:#5A6B85;
  --gk-text-3:#8A97AC;
  --gk-bg:#F6F8FC;
  --gk-card:#FFFFFF;
  --gk-soft:#F1F5FB;
  --gk-border:#E4EAF3;
  --gk-divider:#EDF1F7;
  --gk-footer:#101E38;
  --gk-radius-xl:22px;
  --gk-radius-lg:20px;
  --gk-radius:16px;
  --gk-radius-sm:10px;
  --gk-shadow-1:0 1px 2px rgba(15,27,45,.05);
  --gk-shadow-2:0 6px 20px rgba(15,27,45,.07);
  --gk-shadow-3:0 14px 36px rgba(15,27,45,.12);
  --gk-ease:cubic-bezier(.33,.8,.4,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--gk-text);
  background-color:var(--gk-bg);
  background-image:radial-gradient(rgba(42,91,215,.055) 1px, transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block;}
a{color:var(--gk-primary);text-decoration:none;transition:color .18s var(--gk-ease);}
a:hover{color:var(--gk-primary-dark);text-decoration:underline;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--gk-text);}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--gk-primary);outline-offset:2px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
.gk-num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.gk-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--gk-border);
  transition:box-shadow .22s var(--gk-ease);
}
.gk-header.is-scrolled{box-shadow:0 6px 20px rgba(15,27,45,.08);}
.gk-navbar{padding:0;min-height:68px;display:flex;align-items:center;}
.gk-navbar .container{display:flex;align-items:center;flex-wrap:nowrap;gap:14px;}
.gk-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.gk-brand:hover{text-decoration:none;}
.gk-brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gk-primary),var(--gk-primary-dark));
  color:#fff;font-weight:700;font-size:18px;
  border-radius:11px;
  box-shadow:0 6px 16px rgba(42,91,215,.28);
}
.gk-brand-text{display:flex;flex-direction:column;line-height:1.2;}
.gk-brand-name{font-size:17px;font-weight:700;color:var(--gk-text);letter-spacing:0;}
.gk-brand-sub{font-size:12px;color:var(--gk-text-3);}
.gk-nav-list{display:flex;align-items:center;gap:4px;}
.gk-nav-list .nav-link{
  font-size:15px;color:var(--gk-text-2);
  padding:8px 14px;border-radius:8px;
  transition:background-color .18s var(--gk-ease),color .18s var(--gk-ease);
}
.gk-nav-list .nav-link:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);}
.gk-nav-list .nav-link.active{
  color:var(--gk-primary);font-weight:600;background:transparent;
  position:relative;
}
.gk-nav-list .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--gk-primary);border-radius:2px;
}
.gk-actions{display:flex;align-items:center;gap:10px;}
.gk-search{
  display:flex;align-items:center;gap:8px;
  background:var(--gk-bg);
  border:1px solid transparent;
  border-radius:999px;
  padding:0 14px;height:40px;width:220px;
  transition:border-color .18s var(--gk-ease),background-color .18s var(--gk-ease),box-shadow .18s var(--gk-ease);
}
.gk-search i{color:var(--gk-text-3);font-size:13px;}
.gk-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--gk-text);
}
.gk-search input::placeholder{color:var(--gk-text-3);}
.gk-search:focus-within{background:#fff;border-color:var(--gk-primary);box-shadow:0 0 0 2px rgba(42,91,215,.18);}
.gk-toggler{
  margin-left:auto;background:#fff;border:1px solid var(--gk-border);
  width:42px;height:40px;border-radius:10px;color:var(--gk-text);
  display:flex;align-items:center;justify-content:center;
}
.gk-toggler:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);}
.gk-mobile-search{padding:14px 0 4px;}
.gk-mobile-search .gk-search{width:100%;}
.gk-mobile-actions{display:flex;flex-direction:column;gap:10px;padding:14px 0 6px;}
.gk-mobile-actions .gk-btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.gk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:0 18px;height:40px;border-radius:var(--gk-radius-sm);
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--gk-ease),color .2s var(--gk-ease),border-color .2s var(--gk-ease),transform .2s var(--gk-ease),box-shadow .2s var(--gk-ease);
}
.gk-btn:hover{text-decoration:none;transform:translateY(-1px);}
.gk-btn:active{transform:scale(.98);}
.gk-btn-primary{background:var(--gk-primary);color:#fff;box-shadow:0 6px 16px rgba(42,91,215,.28);}
.gk-btn-primary:hover{background:var(--gk-primary-dark);color:#fff;}
.gk-btn-action{background:var(--gk-action);color:#fff;box-shadow:0 6px 16px rgba(255,122,26,.28);}
.gk-btn-action:hover{background:var(--gk-action-hover);color:#fff;}
.gk-btn-ghost{background:transparent;color:var(--gk-primary);border-color:var(--gk-primary);}
.gk-btn-ghost:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);}
.gk-btn-outline{background:#fff;color:var(--gk-text);border-color:var(--gk-border);}
.gk-btn-outline:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);border-color:var(--gk-primary-soft);}
.gk-btn-sm{height:40px;font-size:14px;padding:0 16px;}
.gk-btn-lg{height:50px;font-size:16px;padding:0 26px;border-radius:12px;}
.gk-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--gk-primary);}
.gk-link-arrow i{font-size:12px;transition:transform .2s var(--gk-ease);}
.gk-link-arrow:hover{text-decoration:none;color:var(--gk-primary-dark);}
.gk-link-arrow:hover i{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.gk-crumb-wrap{background:#fff;border-bottom:1px solid var(--gk-divider);}
.gk-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:14px;color:var(--gk-text-3);
}
.gk-breadcrumb a{color:var(--gk-text-3);}
.gk-breadcrumb a:hover{color:var(--gk-primary);text-decoration:none;}
.gk-breadcrumb .sep{color:#C3CCDC;}
.gk-breadcrumb .current{color:var(--gk-text);max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ---------- 文章头部 ---------- */
.gk-article-head{padding:44px 0 28px;}
.gk-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:5px 10px;border-radius:999px;
  background:var(--gk-primary-soft);color:var(--gk-primary-dark);font-weight:600;
}
.gk-badge-time{background:var(--gk-soft);color:var(--gk-text-2);font-weight:500;}
.gk-article-title{
  font-size:38px;line-height:1.3;font-weight:700;
  margin:16px 0 18px;letter-spacing:0;
  overflow-wrap:anywhere;
}
.gk-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--gk-text-3);
}
.gk-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--gk-accent);display:inline-block;}
.gk-meta .sep{color:#C3CCDC;}
.gk-cover{margin:26px 0 0;}
.gk-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:1px solid var(--gk-border);background:var(--gk-soft);}
.gk-cover figcaption{font-size:13px;color:var(--gk-text-3);margin-top:10px;text-align:center;}

/* ---------- 正文布局 ---------- */
.gk-main{padding:28px 0 72px;}
.gk-article-body{
  max-width:800px;
  background:#fff;
  border:1px solid var(--gk-border);
  border-radius:var(--gk-radius);
  box-shadow:var(--gk-shadow-1);
  padding:34px 36px;
  font-size:17px;line-height:1.9;color:#1B2739;
}
.gk-article-body p{margin:0 0 18px;text-align:left;}
.gk-article-body h2{
  position:relative;font-size:24px;line-height:1.35;
  margin:40px 0 16px;padding-left:14px;
}
.gk-article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--gk-primary);
}
.gk-article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px;}
.gk-article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--gk-primary-dark);}
.gk-article-body ul,.gk-article-body ol{margin:0 0 18px;padding-left:4px;}
.gk-article-body li{position:relative;padding-left:20px;margin-bottom:10px;}
.gk-article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--gk-primary-soft);border:2px solid var(--gk-primary);
}
.gk-article-body ol{counter-reset:gkli;}
.gk-article-body ol li{counter-increment:gkli;}
.gk-article-body ol li::before{
  content:counter(gkli);
  position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:6px;
  background:var(--gk-primary-soft);color:var(--gk-primary-dark);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.gk-article-body blockquote{
  margin:22px 0;padding:16px 20px;
  background:var(--gk-soft);
  border-left:3px solid var(--gk-primary);
  border-radius:0 12px 12px 0;
  font-size:16px;color:var(--gk-text-2);
}
.gk-article-body blockquote p:last-child{margin-bottom:0;}
.gk-article-body img{border-radius:12px;margin:22px auto;border:1px solid var(--gk-border);}
.gk-article-body a{color:var(--gk-primary);text-decoration:underline;text-underline-offset:3px;}
.gk-article-body a:hover{color:var(--gk-primary-dark);}
.gk-article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.gk-article-body thead th{background:var(--gk-soft);font-weight:600;color:var(--gk-text);}
.gk-article-body th,.gk-article-body td{
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--gk-divider);
}
.gk-article-body tr:last-child td{border-bottom:0;}
.gk-table-scroll{overflow-x:auto;border:1px solid var(--gk-border);border-radius:12px;margin:22px 0;}
.gk-table-scroll table{margin:0;min-width:520px;}
.gk-figure{margin:22px 0;}
.gk-figure img{margin:0 0 8px;}
.gk-figure figcaption{font-size:13px;color:var(--gk-text-3);text-align:center;}

/* ---------- 文末区 ---------- */
.gk-article-foot{margin-top:28px;padding-top:22px;border-top:1px solid var(--gk-divider);}
.gk-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.gk-tag{
  font-size:13px;line-height:1;padding:6px 12px;border-radius:999px;
  background:var(--gk-soft);color:var(--gk-text-2);border:1px solid var(--gk-border);
}
.gk-tag:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);text-decoration:none;border-color:var(--gk-primary-soft);}
.gk-copyright{font-size:13px;color:var(--gk-text-3);line-height:1.8;}
.gk-foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;}
.gk-share{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--gk-text-3);}
.gk-share a{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--gk-border);
  display:flex;align-items:center;justify-content:center;color:var(--gk-text-2);background:#fff;
  transition:all .2s var(--gk-ease);
}
.gk-share a:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);border-color:var(--gk-primary-soft);text-decoration:none;}

/* ---------- 侧栏 ---------- */
.gk-side{position:sticky;top:96px;}
.gk-side-card{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-radius);
  box-shadow:var(--gk-shadow-1);padding:22px;margin-bottom:20px;
}
.gk-side-card h3{
  font-size:17px;font-weight:600;margin-bottom:14px;padding-left:12px;position:relative;
}
.gk-side-card h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--gk-primary);
}
.gk-side-list li{padding:12px 0;border-bottom:1px dashed var(--gk-divider);}
.gk-side-list li:last-child{border-bottom:0;padding-bottom:0;}
.gk-side-list li:first-child{padding-top:0;}
.gk-side-list .t{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;line-height:1.6;color:var(--gk-text);font-weight:500;
}
.gk-side-list .t:hover{color:var(--gk-primary);text-decoration:none;}
.gk-side-list .d{font-size:13px;color:var(--gk-text-3);margin-top:6px;display:flex;align-items:center;gap:6px;}
.gk-side-list .d::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gk-accent);}
.gk-side-links li{margin-bottom:10px;}
.gk-side-links a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--gk-text-2);padding:9px 12px;border-radius:10px;
  background:var(--gk-bg);border:1px solid transparent;
  transition:all .2s var(--gk-ease);
}
.gk-side-links a:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);text-decoration:none;}
.gk-side-note{font-size:13px;color:var(--gk-text-2);line-height:1.8;}

/* ---------- 相关推荐 ---------- */
.gk-related{padding:8px 0 0;}
.gk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.gk-section-head h2{
  font-size:26px;position:relative;padding-left:14px;
}
.gk-section-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--gk-primary);
}
.gk-card{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-radius);
  box-shadow:var(--gk-shadow-1);padding:24px;height:100%;
  transition:transform .22s var(--gk-ease),box-shadow .22s var(--gk-ease),border-color .22s var(--gk-ease);
}
a.gk-card{display:block;color:inherit;}
a.gk-card:hover{transform:translateY(-4px);box-shadow:var(--gk-shadow-3);border-color:#D6E0F0;text-decoration:none;color:inherit;}
.gk-card-media{position:relative;margin:-24px -24px 18px;border-radius:var(--gk-radius) var(--gk-radius) 0 0;overflow:hidden;}
.gk-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--gk-soft);border-radius:12px;}
.gk-card-media .gk-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--gk-primary-dark);}
.gk-card h3{
  font-size:18px;font-weight:600;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gk-card .desc{
  font-size:14px;color:var(--gk-text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gk-card-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--gk-divider);
  display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--gk-text-3);
}
.gk-card-foot i{color:var(--gk-primary);font-size:13px;transition:transform .2s var(--gk-ease);}
a.gk-card:hover .gk-card-foot i{transform:translateX(3px);}

/* ---------- 底部 CTA ---------- */
.gk-cta{background:var(--gk-soft);border-top:1px solid var(--gk-border);border-bottom:1px solid var(--gk-border);}
.gk-cta-inner{
  min-height:120px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 0;
}
.gk-cta-inner h3{font-size:22px;margin-bottom:6px;}
.gk-cta-inner p{margin:0;font-size:14px;color:var(--gk-text-2);}

/* ---------- 隐私小字 ---------- */
.gk-privacy-bar{background:var(--gk-bg);padding:20px 0 8px;}
.gk-privacy-bar .inner{
  display:flex;gap:12px;align-items:flex-start;
  font-size:13px;color:var(--gk-text-3);line-height:1.8;
}
.gk-privacy-bar i{color:var(--gk-accent);margin-top:4px;}

/* ---------- 空态 ---------- */
.gk-empty{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-radius);
  box-shadow:var(--gk-shadow-1);padding:56px 24px;text-align:center;
}
.gk-empty i{font-size:34px;color:var(--gk-primary);margin-bottom:16px;display:block;}
.gk-empty p{color:var(--gk-text-2);font-size:15px;margin-bottom:20px;}

/* ---------- 页脚 ---------- */
.gk-footer{background:var(--gk-footer);color:#B9C6DC;padding:56px 0 24px;margin-top:0;}
.gk-footer .gk-brand-name{color:#fff;}
.gk-footer .gk-brand-sub{color:#8FA0BC;}
.gk-footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
.gk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.gk-footer p{font-size:14px;line-height:1.8;color:#B9C6DC;margin:0;}
.gk-footer-links li{margin-bottom:10px;}
.gk-footer-links a{font-size:14px;color:#B9C6DC;}
.gk-footer-links a:hover{color:#fff;text-decoration:none;}
.gk-footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8FA0BC;
}
.gk-footer-bottom a{color:#8FA0BC;}
.gk-footer-bottom a:hover{color:#fff;}

/* ---------- 返回顶部 / 悬浮卡 ---------- */
.gk-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--gk-border);box-shadow:var(--gk-shadow-2);
  color:var(--gk-primary);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .22s var(--gk-ease);z-index:1020;
}
.gk-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.gk-top:hover{background:var(--gk-primary-soft);text-decoration:none;}
body.gk-float-open .gk-top{bottom:80px;}

.gk-float{
  position:fixed;right:24px;bottom:24px;width:320px;z-index:1010;
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-radius);
  box-shadow:var(--gk-shadow-3);padding:20px;
  transform:translateY(16px);opacity:0;visibility:hidden;
  transition:all .24s var(--gk-ease);
}
.gk-float.show{transform:translateY(0);opacity:1;visibility:visible;}
.gk-float-close{
  position:absolute;right:10px;top:10px;width:26px;height:26px;border-radius:50%;
  border:0;background:var(--gk-bg);color:var(--gk-text-3);
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.gk-float-close:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);}
.gk-float h4{font-size:16px;margin-bottom:6px;}
.gk-float p{font-size:13px;color:var(--gk-text-2);margin-bottom:12px;}
.gk-field{margin-bottom:10px;}
.gk-field label{display:block;font-size:13px;font-weight:600;color:var(--gk-text-2);margin-bottom:6px;}
.gk-input,.gk-select{
  width:100%;height:42px;border:1px solid var(--gk-border);border-radius:var(--gk-radius-sm);
  padding:0 12px;font-size:14px;color:var(--gk-text);background:#fff;outline:none;
  transition:border-color .18s var(--gk-ease),box-shadow .18s var(--gk-ease);
}
.gk-input:focus,.gk-select:focus{border-color:var(--gk-primary);box-shadow:0 0 0 2px rgba(42,91,215,.18);}
.gk-check{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--gk-text-3);margin:10px 0 12px;}
.gk-check input{margin-top:3px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .gk-cover{margin-top:22px;}
}
@media (max-width:991.98px){
  .gk-navbar{min-height:60px;}
  .gk-nav-list{flex-direction:column;align-items:stretch;padding-top:8px;gap:2px;}
  .gk-nav-list .nav-link{padding:11px 14px;}
  .gk-nav-list .nav-link.active::after{display:none;}
  .gk-article-title{font-size:30px;}
  .gk-article-body{padding:26px 22px;font-size:16px;}
  .gk-article-body h2{font-size:22px;}
  .gk-article-body h3{font-size:19px;}
  .gk-side{position:static;margin-top:28px;}
  .gk-section-head h2{font-size:22px;}
  .gk-cta-inner{flex-direction:column;align-items:flex-start;gap:16px;padding:30px 0;}
  .gk-cta-inner .gk-btn{width:100%;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .gk-article-head{padding:28px 0 18px;}
  .gk-article-title{font-size:26px;margin:12px 0 14px;}
  .gk-main{padding:18px 0 56px;}
  .gk-cover img{aspect-ratio:16/10;}
  .gk-footer{padding:40px 0 20px;}
  .gk-footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .gk-brand-sub{display:none;}
  .gk-brand-name{font-size:15px;}
  .gk-brand-mark{width:32px;height:32px;flex-basis:32px;font-size:16px;}
  .gk-article-title{font-size:23px;}
  .gk-article-body{padding:22px 18px;font-size:16px;line-height:1.85;}
  .gk-top{right:16px;bottom:16px;}
  .gk-float{
    right:0;left:0;bottom:0;width:auto;border-radius:20px 20px 0 0;
    max-height:70vh;overflow-y:auto;padding:22px 18px calc(22px + env(safe-area-inset-bottom));
  }
}

/* roulang page: category1 */
:root{
  --gk-primary:#2A5BD7;
  --gk-primary-dark:#1B3E9E;
  --gk-primary-soft:#E8EFFC;
  --gk-accent:#12B3A6;
  --gk-action:#FF7A1A;
  --gk-action-dark:#E86A0C;
  --gk-text:#0F1B2D;
  --gk-text-2:#5A6B85;
  --gk-text-3:#8A97AC;
  --gk-bg:#F6F8FC;
  --gk-card:#FFFFFF;
  --gk-bg-soft:#F1F5FB;
  --gk-border:#E4EAF3;
  --gk-line:#EDF1F7;
  --gk-footer:#101E38;
  --gk-footer-text:#B9C6DC;
  --gk-success:#12A150;
  --gk-danger:#E5484D;
  --gk-radius-xl:22px;
  --gk-radius:16px;
  --gk-radius-sm:10px;
  --gk-radius-pill:999px;
  --gk-shadow-1:0 1px 2px rgba(15,27,45,.05);
  --gk-shadow-2:0 6px 20px rgba(15,27,45,.07);
  --gk-shadow-3:0 14px 36px rgba(15,27,45,.12);
  --gk-shadow-btn:0 6px 16px rgba(42,91,215,.28);
  --gk-shadow-action:0 6px 16px rgba(255,122,26,.28);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--gk-text);
  background:var(--gk-bg);
  padding-top:68px;
}
img{max-width:100%;display:block;}
a{color:var(--gk-primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out;}
a:hover{color:var(--gk-primary-dark);text-decoration:underline;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--gk-text);letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gk-primary);outline-offset:2px;}

.gk-container,
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ---------- 导航 ---------- */
.gk-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:#FFFFFF;
  border-bottom:1px solid var(--gk-border);
  transition:box-shadow .2s ease-out;
}
.gk-header.is-scrolled{box-shadow:var(--gk-shadow-2);}
.gk-navbar{padding:0;height:68px;}
.gk-navbar .container{height:68px;display:flex;align-items:center;gap:12px;}
.gk-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.gk-brand:hover{text-decoration:none;}
.gk-brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--gk-primary);
  color:#FFFFFF;
  border-radius:11px;
  font-weight:700;font-size:18px;
  box-shadow:var(--gk-shadow-btn);
}
.gk-brand-text{display:flex;flex-direction:column;line-height:1.2;}
.gk-brand-name{font-size:16px;font-weight:700;color:var(--gk-text);}
.gk-brand-sub{font-size:12px;color:var(--gk-text-3);}
.gk-toggler{
  margin-left:auto;
  width:40px;height:40px;
  border:1px solid var(--gk-border);
  background:#FFFFFF;
  border-radius:var(--gk-radius-sm);
  color:var(--gk-text-2);
  display:flex;align-items:center;justify-content:center;
}
.gk-nav-list{gap:2px;}
.gk-nav-list .nav-link{
  font-size:15px;
  color:var(--gk-text-2);
  padding:8px 14px;
  border-radius:8px;
  position:relative;
  transition:color .18s ease-out,background-color .18s ease-out;
}
.gk-nav-list .nav-link:hover{background:var(--gk-primary-soft);color:var(--gk-primary);text-decoration:none;}
.gk-nav-list .nav-link.active{
  color:var(--gk-primary);
  font-weight:600;
  background:transparent;
}
.gk-nav-list .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;background:var(--gk-primary);border-radius:2px;
}
.gk-actions{align-items:center;gap:10px;}
.gk-search{
  position:relative;
  display:flex;align-items:center;
  width:230px;
}
.gk-search i{
  position:absolute;left:14px;
  color:var(--gk-text-3);font-size:14px;pointer-events:none;
}
.gk-search input{
  width:100%;height:40px;
  padding:0 14px 0 36px;
  background:var(--gk-bg);
  border:1px solid var(--gk-border);
  border-radius:var(--gk-radius-pill);
  font-size:14px;
  color:var(--gk-text);
  transition:background-color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.gk-search input::placeholder{color:var(--gk-text-3);}
.gk-search input:focus{
  outline:none;background:#FFFFFF;border-color:var(--gk-primary);
  box-shadow:0 0 0 2px rgba(42,91,215,.18);
}
.gk-mobile-search{padding:12px 0 4px;}
.gk-mobile-search .gk-search{width:100%;}
.gk-mobile-actions{display:flex;gap:10px;padding:12px 0 16px;}
.gk-mobile-actions .gk-btn{flex:1;}

/* ---------- 按钮 ---------- */
.gk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  font-size:15px;font-weight:600;
  border-radius:var(--gk-radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.gk-btn:hover{text-decoration:none;}
.gk-btn-sm{height:40px;padding:0 18px;font-size:15px;}
.gk-btn-primary{background:var(--gk-primary);color:#FFFFFF;box-shadow:var(--gk-shadow-btn);}
.gk-btn-primary:hover{background:var(--gk-primary-dark);color:#FFFFFF;transform:translateY(-1px);}
.gk-btn-primary:active{transform:scale(.98);}
.gk-btn-action{background:var(--gk-action);color:#FFFFFF;box-shadow:var(--gk-shadow-action);}
.gk-btn-action:hover{background:var(--gk-action-dark);color:#FFFFFF;transform:translateY(-1px);}
.gk-btn-action:active{transform:scale(.98);}
.gk-btn-ghost{background:transparent;border-color:var(--gk-primary);color:var(--gk-primary);}
.gk-btn-ghost:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);}
.gk-btn-secondary{background:#FFFFFF;border-color:var(--gk-border);color:var(--gk-text);}
.gk-btn-secondary:hover{background:var(--gk-primary-soft);border-color:var(--gk-primary-soft);color:var(--gk-primary-dark);}
.gk-btn-link{
  display:inline-flex;align-items:center;gap:8px;
  background:none;border:none;padding:0;
  color:var(--gk-primary);font-weight:600;font-size:15px;
}
.gk-btn-link i{transition:transform .18s ease-out;}
.gk-btn-link:hover{color:var(--gk-primary-dark);text-decoration:none;}
.gk-btn-link:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.gk-badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  font-size:12px;font-weight:600;
  border-radius:var(--gk-radius-pill);
  background:var(--gk-primary-soft);
  color:var(--gk-primary);
  line-height:1.6;
}
.gk-badge-time{background:var(--gk-bg-soft);color:var(--gk-text-2);font-weight:500;}

/* ---------- 页头 ---------- */
.gk-page-head{
  background:#FFFFFF;
  border-bottom:1px solid var(--gk-border);
  padding:48px 0 56px;
}
.gk-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--gk-text-3);
  margin-bottom:20px;
}
.gk-breadcrumb a{color:var(--gk-text-3);}
.gk-breadcrumb a:hover{color:var(--gk-primary);}
.gk-breadcrumb .sep{color:#C6D0DF;}
.gk-breadcrumb .current{color:var(--gk-text);}
.gk-page-head h1{
  font-size:40px;
  line-height:1.22;
  margin-bottom:16px;
}
.gk-page-lead{
  font-size:17px;
  color:var(--gk-text-2);
  max-width:600px;
}
.gk-page-figure{
  border-radius:var(--gk-radius-xl);
  overflow:hidden;
  box-shadow:var(--gk-shadow-2);
  border:1px solid var(--gk-border);
  background:var(--gk-bg-soft);
  max-width:480px;
  margin-left:auto;
}
.gk-page-figure img{width:100%;height:230px;object-fit:cover;}

/* ---------- 锚点条 ---------- */
.gk-anchor-bar{
  position:sticky;
  top:68px;
  z-index:1020;
  background:#FFFFFF;
  border-bottom:1px solid var(--gk-border);
  padding:12px 0;
}
.gk-anchor-scroll{
  display:flex;gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.gk-anchor-scroll::-webkit-scrollbar{display:none;}
.gk-anchor-scroll a{
  flex:0 0 auto;
  padding:8px 16px;
  font-size:14px;
  font-weight:500;
  border-radius:var(--gk-radius-pill);
  background:var(--gk-bg-soft);
  color:var(--gk-text-2);
  white-space:nowrap;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.gk-anchor-scroll a:hover{background:var(--gk-primary-soft);color:var(--gk-primary);text-decoration:none;}
.gk-anchor-scroll a.is-active{background:var(--gk-primary-soft);color:var(--gk-primary);font-weight:600;}

/* ---------- 板块 ---------- */
.gk-section{padding:96px 0;}
.gk-section-soft{background:var(--gk-bg-soft);}
.gk-section-head{margin-bottom:48px;max-width:760px;}
.gk-section-title{
  font-size:30px;
  line-height:1.3;
  position:relative;
  padding-left:18px;
  margin-bottom:14px;
}
.gk-section-title::before{
  content:"";position:absolute;left:0;top:6px;
  width:4px;height:22px;border-radius:2px;background:var(--gk-primary);
}
.gk-section-desc{font-size:16px;color:var(--gk-text-2);}

/* ---------- 交替图文 ---------- */
.gk-alt-row + .gk-alt-row{margin-top:88px;}
.gk-alt-row h2{
  font-size:26px;line-height:1.35;margin-bottom:16px;
}
.gk-alt-row p{font-size:16px;color:var(--gk-text-2);margin-bottom:16px;}
.gk-figure{
  border-radius:var(--gk-radius);
  overflow:hidden;
  border:1px solid var(--gk-border);
  box-shadow:var(--gk-shadow-2);
  background:var(--gk-bg-soft);
}
.gk-figure img{width:100%;height:300px;object-fit:cover;}
.gk-points{margin-top:8px;}
.gk-points li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--gk-text-2);
  margin-bottom:10px;
}
.gk-points li::before{
  content:"";position:absolute;left:0;top:12px;
  width:8px;height:8px;border-radius:50%;
  background:var(--gk-primary-soft);
  border:2px solid var(--gk-primary);
}

/* ---------- 卡片墙 ---------- */
.gk-card{
  background:var(--gk-card);
  border:1px solid var(--gk-border);
  border-radius:var(--gk-radius);
  box-shadow:var(--gk-shadow-1);
  padding:24px;
  height:100%;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.gk-card:hover{box-shadow:var(--gk-shadow-3);transform:translateY(-4px);border-color:#D8E2F2;}
.gk-card-icon{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--gk-primary-soft);
  color:var(--gk-primary);
  font-size:17px;
  margin-bottom:18px;
}
.gk-card-icon.is-accent{background:rgba(18,179,166,.12);color:var(--gk-accent);}
.gk-card h3{
  font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;
}
.gk-card p{font-size:15px;color:var(--gk-text-2);line-height:1.75;}
.gk-card-mini{padding:20px;}
.gk-card-mini h3{font-size:17px;margin-bottom:8px;}
.gk-card-mini p{font-size:14px;}

/* ---------- 对照卡 ---------- */
.gk-compare{
  background:#FFFFFF;
  border:1px solid var(--gk-border);
  border-radius:var(--gk-radius);
  padding:28px;
  height:100%;
}
.gk-compare.is-soft{
  background:var(--gk-bg-soft);
  border-color:transparent;
}
.gk-compare h3{
  font-size:19px;font-weight:600;margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.gk-compare h3 i{font-size:15px;}
.gk-compare.is-soft h3 i{color:var(--gk-accent);}
.gk-compare.is-plain h3 i{color:var(--gk-primary);}
.gk-compare ul li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--gk-text-2);
  margin-bottom:12px;
  line-height:1.75;
}
.gk-compare ul li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--gk-text-3);
}
.gk-compare.is-soft ul li::before{background:var(--gk-accent);}
.gk-compare.is-plain ul li::before{background:var(--gk-primary);}

/* ---------- FAQ ---------- */
.gk-faq-wrap{max-width:900px;margin:0 auto;}
.gk-faq .accordion-item{
  background:#FFFFFF;
  border:1px solid var(--gk-border);
  border-radius:var(--gk-radius);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--gk-shadow-1);
}
.gk-faq .accordion-button{
  background:#FFFFFF;
  font-size:17px;
  font-weight:600;
  color:var(--gk-text);
  padding:20px 56px 20px 22px;
  border-radius:var(--gk-radius) !important;
  box-shadow:none !important;
  position:relative;
}
.gk-faq .accordion-button::after{
  content:"";
  position:absolute;right:22px;top:50%;
  width:14px;height:14px;
  margin:0;transform:translateY(-50%);
  background:
    linear-gradient(var(--gk-primary),var(--gk-primary)) center/14px 2px no-repeat,
    linear-gradient(var(--gk-primary),var(--gk-primary)) center/2px 14px no-repeat;
  transition:background-size .18s ease-out;
}
.gk-faq .accordion-button:not(.collapsed){
  color:var(--gk-primary);
  background:#FFFFFF;
  border-top:2px solid var(--gk-primary);
}
.gk-faq .accordion-button:not(.collapsed)::after{
  background:
    linear-gradient(var(--gk-primary),var(--gk-primary)) center/14px 2px no-repeat;
}
.gk-faq .accordion-button:focus{
  box-shadow:none !important;
  outline:2px solid var(--gk-primary);
  outline-offset:-3px;
}
.gk-faq .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--gk-text-2);
}

/* ---------- CTA 条 ---------- */
.gk-cta{
  background:var(--gk-bg-soft);
  border-top:1px solid var(--gk-border);
  border-bottom:1px solid var(--gk-border);
  padding:44px 0;
}
.gk-cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.gk-cta h2{font-size:24px;line-height:1.4;margin-bottom:8px;}
.gk-cta p{font-size:15px;color:var(--gk-text-2);}
.gk-privacy-line{
  padding:20px 0 28px;
  font-size:13px;
  color:var(--gk-text-3);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.gk-privacy-line i{color:var(--gk-accent);}

/* ---------- 页脚 ---------- */
.gk-footer{
  background:var(--gk-footer);
  color:var(--gk-footer-text);
  padding:64px 0 0;
  margin-top:0;
}
.gk-footer .gk-brand-mark{box-shadow:none;}
.gk-footer .gk-brand-name{color:#FFFFFF;}
.gk-footer .gk-brand-sub{color:var(--gk-footer-text);}
.gk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.gk-footer p{font-size:14px;line-height:1.8;color:var(--gk-footer-text);}
.gk-footer h4{
  font-size:15px;color:#FFFFFF;font-weight:600;margin-bottom:16px;
}
.gk-footer-links li{margin-bottom:10px;}
.gk-footer-links a{
  font-size:14px;color:var(--gk-footer-text);
  transition:color .18s ease-out;
}
.gk-footer-links a:hover{color:#FFFFFF;text-decoration:none;}
.gk-footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--gk-footer-text);
}
.gk-footer-bottom a{color:var(--gk-footer-text);}
.gk-footer-bottom a:hover{color:#FFFFFF;text-decoration:none;}

/* ---------- 返回顶部 ---------- */
.gk-top{
  position:fixed;right:24px;bottom:24px;
  width:44px;height:44px;
  display:none;align-items:center;justify-content:center;
  background:#FFFFFF;
  border:1px solid var(--gk-border);
  border-radius:50%;
  box-shadow:var(--gk-shadow-2);
  color:var(--gk-primary);
  z-index:1010;
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.gk-top:hover{box-shadow:var(--gk-shadow-3);transform:translateY(-2px);text-decoration:none;}
.gk-top.is-show{display:flex;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .gk-search{width:200px;}
}
@media (max-width:991.98px){
  .gk-navbar{height:68px;}
  .gk-nav-list{padding:8px 0 0;}
  .gk-nav-list .nav-link{padding:10px 12px;}
  .gk-nav-list .nav-link.active::after{display:none;}
  .gk-nav-list .nav-link.active{background:var(--gk-primary-soft);}
  .gk-section{padding:64px 0;}
  .gk-section-title{font-size:26px;}
  .gk-page-head{padding:36px 0 44px;}
  .gk-page-head h1{font-size:32px;}
  .gk-page-figure{margin:28px auto 0;max-width:100%;}
  .gk-page-figure img{height:200px;}
  .gk-alt-row + .gk-alt-row{margin-top:56px;}
}
@media (max-width:767.98px){
  body{font-size:15px;padding-top:58px;}
  .gk-navbar,
  .gk-navbar .container{height:58px;}
  .gk-brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px;border-radius:10px;}
  .gk-brand-name{font-size:15px;}
  .gk-brand-sub{display:none;}
  .gk-anchor-bar{top:58px;}
  .gk-section{padding:48px 0;}
  .gk-section-head{margin-bottom:32px;}
  .gk-section-title{font-size:22px;padding-left:14px;}
  .gk-section-title::before{height:18px;top:5px;}
  .gk-section-desc{font-size:15px;}
  .gk-page-head h1{font-size:28px;}
  .gk-page-lead{font-size:15px;}
  .gk-alt-row h2{font-size:21px;}
  .gk-figure img{height:210px;}
  .gk-card{padding:20px;}
  .gk-compare{padding:22px;}
  .gk-cta{padding:32px 0;}
  .gk-cta-inner{flex-direction:column;align-items:stretch;gap:18px;}
  .gk-cta h2{font-size:20px;}
  .gk-cta .gk-btn{width:100%;}
  .gk-footer{padding-top:44px;}
  .gk-footer-bottom{margin-top:32px;flex-direction:column;gap:8px;}
  .gk-top{right:16px;bottom:16px;}
}
@media (max-width:575.98px){
  .container,.gk-container{padding-left:16px;padding-right:16px;}
  .gk-section{padding:44px 0;}
  .gk-btn{width:100%;}
  .gk-btn-sm{width:auto;}
  .gk-anchor-scroll a{padding:7px 14px;font-size:13px;}
  .gk-faq .accordion-button{font-size:16px;padding:16px 50px 16px 18px;}
}

/* roulang page: category2 */
:root{
  --gk-primary:#2A5BD7;
  --gk-primary-dark:#1B3E9E;
  --gk-primary-soft:#E8EFFC;
  --gk-accent:#12B3A6;
  --gk-action:#FF7A1A;
  --gk-action-dark:#E86A0C;
  --gk-text:#0F1B2D;
  --gk-text-sub:#5A6B85;
  --gk-text-weak:#8A97AC;
  --gk-bg:#F6F8FC;
  --gk-card:#FFFFFF;
  --gk-bg-soft:#F1F5FB;
  --gk-border:#E4EAF3;
  --gk-line:#EDF1F7;
  --gk-footer:#101E38;
  --gk-success:#12A150;
  --gk-danger:#E5484D;
  --gk-r-lg:22px;
  --gk-r-md:16px;
  --gk-r-sm:12px;
  --gk-r-btn:10px;
  --gk-shadow-1:0 1px 2px rgba(15,27,45,.05);
  --gk-shadow-2:0 6px 20px rgba(15,27,45,.07);
  --gk-shadow-3:0 14px 36px rgba(15,27,45,.12);
  --gk-shadow-btn:0 6px 16px rgba(42,91,215,.28);
  --gk-font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--gk-font);
  font-size:16px;
  line-height:1.8;
  color:var(--gk-text);
  background:var(--gk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--gk-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--gk-primary-dark);text-decoration:underline;}
h1,h2,h3,h4,h5{margin:0;color:var(--gk-text);letter-spacing:0;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--gk-primary);outline-offset:2px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){
  .container{max-width:1280px;}
}

/* ============ 通用按钮 ============ */
.gk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:12px 22px;border-radius:var(--gk-r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  text-decoration:none;
}
.gk-btn:hover{text-decoration:none;}
.gk-btn-primary{background:var(--gk-primary);color:#fff;box-shadow:var(--gk-shadow-btn);}
.gk-btn-primary:hover{background:var(--gk-primary-dark);color:#fff;transform:translateY(-1px);}
.gk-btn-primary:active{transform:scale(.98);}
.gk-btn-action{background:var(--gk-action);color:#fff;box-shadow:0 6px 16px rgba(255,122,26,.28);}
.gk-btn-action:hover{background:var(--gk-action-dark);color:#fff;transform:translateY(-1px);}
.gk-btn-action:active{transform:scale(.98);}
.gk-btn-ghost{background:transparent;color:var(--gk-primary);border-color:var(--gk-primary);}
.gk-btn-ghost:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);border-color:var(--gk-primary-dark);}
.gk-btn-soft{background:#fff;color:var(--gk-text);border-color:var(--gk-border);box-shadow:var(--gk-shadow-1);}
.gk-btn-soft:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);border-color:var(--gk-primary-soft);}
.gk-btn-sm{padding:10px 18px;font-size:14px;}
.gk-btn-block{width:100%;}
.gk-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--gk-primary);
}
.gk-link-arrow i{transition:transform .18s ease-out;}
.gk-link-arrow:hover{color:var(--gk-primary-dark);text-decoration:none;}
.gk-link-arrow:hover i{transform:translateX(3px);}

/* ============ 导航 ============ */
.gk-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--gk-border);
  transition:box-shadow .2s ease-out;
}
.gk-header.is-scrolled{box-shadow:var(--gk-shadow-2);}
.gk-navbar{padding:0;}
.gk-navbar > .container{min-height:68px;display:flex;align-items:center;gap:16px;flex-wrap:nowrap;}
.gk-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.gk-brand:hover{text-decoration:none;}
.gk-brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(140deg,var(--gk-primary),var(--gk-primary-dark));
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(42,91,215,.28);
}
.gk-brand-text{display:flex;flex-direction:column;line-height:1.2;}
.gk-brand-name{font-size:15px;font-weight:700;color:var(--gk-text);white-space:nowrap;}
.gk-brand-sub{font-size:11px;color:var(--gk-text-weak);white-space:nowrap;}
.gk-nav-list{gap:4px;}
.gk-nav-list .nav-link{
  font-size:15px;font-weight:500;color:var(--gk-text-sub);
  padding:8px 14px;border-radius:8px;position:relative;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.gk-nav-list .nav-link:hover{background:var(--gk-primary-soft);color:var(--gk-primary-dark);}
.gk-nav-list .nav-link.active{color:var(--gk-primary);font-weight:600;background:transparent;}
.gk-nav-list .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--gk-primary);
}
.gk-actions{align-items:center;gap:10px;flex:0 0 auto;}
.gk-search{
  display:flex;align-items:center;gap:8px;
  background:var(--gk-bg);border:1px solid var(--gk-border);
  border-radius:999px;padding:8px 16px;width:220px;
  transition:background-color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.gk-search i{color:var(--gk-text-weak);font-size:13px;}
.gk-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--gk-text);font-family:inherit;
}
.gk-search input::placeholder{color:var(--gk-text-weak);}
.gk-search:focus-within{background:#fff;border-color:var(--gk-primary);box-shadow:0 0 0 2px rgba(42,91,215,.18);}
.gk-toggler{
  border:1px solid var(--gk-border);background:#fff;color:var(--gk-text);
  width:40px;height:40px;border-radius:10px;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 40px;
}
.gk-mobile-search{margin-bottom:14px;}
.gk-mobile-search .gk-search{width:100%;}
.gk-mobile-actions{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
@media (max-width:991.98px){
  .gk-navbar > .container{min-height:58px;flex-wrap:wrap;}
  .gk-navbar .navbar-collapse{
    padding:16px 0 20px;border-top:1px solid var(--gk-border);margin-top:10px;
  }
  .gk-nav-list{gap:2px;}
  .gk-nav-list .nav-link{padding:10px 12px;}
  .gk-nav-list .nav-link.active::after{display:none;}
  .gk-nav-list .nav-link.active{background:var(--gk-primary-soft);}
}
@media (max-width:575.98px){
  .gk-brand-sub{display:none;}
  .gk-brand-name{font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}

/* ============ 面包屑 ============ */
.gk-crumb{font-size:14px;color:var(--gk-text-weak);padding:20px 0 0;}
.gk-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.gk-crumb li{display:flex;align-items:center;gap:8px;}
.gk-crumb li+li::before{content:"/";color:#C3CDDE;}
.gk-crumb a{color:var(--gk-text-weak);}
.gk-crumb a:hover{color:var(--gk-primary);}
.gk-crumb .is-current{color:var(--gk-text);font-weight:500;}

/* ============ 页头 ============ */
.gk-cat-hero{padding:28px 0 8px;}
.gk-cat-hero-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:start;
}
.gk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--gk-primary-soft);color:var(--gk-primary);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.gk-cat-hero h1{
  font-size:42px;font-weight:700;line-height:1.22;margin-bottom:16px;
}
.gk-cat-hero .gk-lead{
  font-size:17px;color:var(--gk-text-sub);max-width:640px;margin-bottom:22px;
}
.gk-hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.gk-hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--gk-text-sub);
  background:#fff;border:1px solid var(--gk-border);border-radius:999px;
  padding:6px 14px;box-shadow:var(--gk-shadow-1);
}
.gk-hero-tags i{color:var(--gk-accent);font-size:12px;}
.gk-brief-card{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-r-md);
  padding:24px;box-shadow:var(--gk-shadow-2);
}
.gk-brief-card h2{
  font-size:17px;font-weight:600;margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.gk-brief-card h2 i{color:var(--gk-primary);}
.gk-brief-list{display:flex;flex-direction:column;gap:14px;}
.gk-brief-list li{display:flex;gap:12px;font-size:15px;color:var(--gk-text-sub);line-height:1.7;}
.gk-brief-list .gk-num{
  flex:0 0 26px;width:26px;height:26px;border-radius:9px;
  background:var(--gk-primary-soft);color:var(--gk-primary);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.gk-brief-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--gk-line);
  font-size:13px;color:var(--gk-text-weak);line-height:1.7;
}
@media (max-width:991.98px){
  .gk-cat-hero{padding:20px 0 4px;}
  .gk-cat-hero-grid{grid-template-columns:1fr;gap:24px;}
  .gk-cat-hero h1{font-size:30px;}
  .gk-cat-hero .gk-lead{font-size:16px;}
}
@media (max-width:575.98px){
  .gk-cat-hero h1{font-size:27px;}
}

/* ============ 区块通用 ============ */
.gk-section{padding:88px 0;}
.gk-section-soft{background:var(--gk-bg-soft);}
.gk-section-head{max-width:720px;margin-bottom:40px;}
.gk-section-head h2{
  font-size:30px;font-weight:700;line-height:1.3;display:flex;align-items:flex-start;gap:14px;
}
.gk-section-head h2::before{
  content:"";flex:0 0 4px;width:4px;height:20px;border-radius:2px;
  background:var(--gk-primary);margin-top:8px;
}
.gk-section-head p{margin-top:14px;color:var(--gk-text-sub);font-size:16px;}
@media (max-width:991.98px){
  .gk-section{padding:64px 0;}
  .gk-section-head h2{font-size:24px;}
  .gk-section-head{margin-bottom:28px;}
}
@media (max-width:575.98px){
  .gk-section{padding:48px 0;}
  .gk-section-head h2{font-size:22px;}
  .gk-section-head h2::before{margin-top:6px;}
}

/* ============ 时间轴步骤 ============ */
.gk-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 32px;}
.gk-step{
  position:relative;background:#fff;border:1px solid var(--gk-border);
  border-radius:var(--gk-r-md);padding:24px 24px 24px 32px;
  box-shadow:var(--gk-shadow-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.gk-step:hover{box-shadow:var(--gk-shadow-3);transform:translateY(-4px);}
.gk-step::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;
  background:linear-gradient(180deg,var(--gk-primary),rgba(42,91,215,.15));border-radius:2px;
}
.gk-step-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.gk-step-num{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  background:#fff;border:2px solid var(--gk-primary);color:var(--gk-primary);
  font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.gk-step h3{font-size:19px;font-weight:600;}
.gk-step p{font-size:15px;color:var(--gk-text-sub);line-height:1.85;margin:0;}
@media (max-width:767.98px){
  .gk-steps{grid-template-columns:1fr;gap:18px;}
}

/* ============ 数据条 ============ */
.gk-stats{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-r-md);
  box-shadow:var(--gk-shadow-1);overflow:hidden;
}
.gk-stats-row{display:grid;grid-template-columns:repeat(3,1fr);}
.gk-stat{padding:32px 24px;border-left:1px solid var(--gk-line);}
.gk-stat:first-child{border-left:0;}
.gk-stat-num{
  font-size:38px;font-weight:600;line-height:1.1;color:var(--gk-primary);
  font-variant-numeric:tabular-nums;
}
.gk-stat-num em{font-style:normal;color:var(--gk-accent);}
.gk-stat-label{margin-top:8px;font-size:14px;color:var(--gk-text-weak);}
.gk-stats-foot{
  padding:14px 24px;background:var(--gk-bg-soft);border-top:1px solid var(--gk-line);
  font-size:12px;color:var(--gk-text-weak);line-height:1.7;
}
@media (max-width:767.98px){
  .gk-stats-row{grid-template-columns:1fr;}
  .gk-stat{border-left:0;border-top:1px solid var(--gk-line);padding:22px 20px;}
  .gk-stat:first-child{border-top:0;}
  .gk-stat-num{font-size:30px;}
}

/* ============ 卡片墙（2×2 大卡） ============ */
.gk-bigcards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.gk-bigcard{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-r-md);
  overflow:hidden;box-shadow:var(--gk-shadow-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
  display:flex;flex-direction:column;
}
.gk-bigcard:hover{box-shadow:var(--gk-shadow-3);transform:translateY(-4px);}
.gk-bigcard-media{position:relative;aspect-ratio:16/9;background:var(--gk-bg-soft);}
.gk-bigcard-media img{width:100%;height:100%;object-fit:cover;}
.gk-bigcard-media .gk-badge{
  position:absolute;top:14px;left:14px;
}
.gk-bigcard-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.gk-bigcard-body h3{font-size:19px;font-weight:600;line-height:1.5;}
.gk-bigcard-body p{font-size:15px;color:var(--gk-text-sub);line-height:1.85;margin:0;}
.gk-bigcard-points{display:flex;flex-direction:column;gap:8px;margin-top:4px;}
.gk-bigcard-points li{
  display:flex;gap:10px;font-size:14px;color:var(--gk-text-sub);line-height:1.7;
}
.gk-bigcard-points i{color:var(--gk-accent);font-size:11px;margin-top:8px;}
@media (max-width:767.98px){
  .gk-bigcards{grid-template-columns:1fr;gap:18px;}
  .gk-bigcard-body{padding:20px;}
}

.gk-badge{
  display:inline-flex;align-items:center;
  background:var(--gk-primary-soft);color:var(--gk-primary);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
}
.gk-badge-time{background:var(--gk-bg-soft);color:var(--gk-text-sub);}

/* ============ 无边框表格 ============ */
.gk-table-wrap{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-r-md);
  box-shadow:var(--gk-shadow-1);overflow-x:auto;
}
.gk-table{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
.gk-table thead th{
  background:var(--gk-bg-soft);font-weight:600;font-size:14px;color:var(--gk-text);
  text-align:left;padding:16px 20px;white-space:nowrap;border:0;
}
.gk-table tbody td{
  padding:18px 20px;color:var(--gk-text-sub);line-height:1.75;
  border-top:1px solid var(--gk-line);vertical-align:top;
}
.gk-table tbody tr:first-child td{border-top:1px solid var(--gk-line);}
.gk-table tbody td:first-child{font-weight:600;color:var(--gk-text);}
.gk-table tbody tr:hover td{background:#FAFCFF;}
.gk-table .gk-cell-tag{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:rgba(18,179,166,.12);color:#0E8C82;
}
.gk-table .gk-cell-tag.is-warn{background:rgba(229,72,77,.1);color:#C43A3F;}
.gk-table-note{margin-top:12px;font-size:12px;color:var(--gk-text-weak);}

/* ============ FAQ ============ */
.gk-faq{max-width:840px;margin:0 auto;}
.gk-faq .accordion-item{
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--gk-shadow-1);
}
.gk-faq .accordion-item::before{
  content:"";display:block;height:0;background:var(--gk-primary);transition:height .2s ease-out;
}
.gk-faq .accordion-item:has(.accordion-button:not(.collapsed))::before{height:2px;}
.gk-faq .accordion-button{
  background:#fff;color:var(--gk-text);font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 56px 20px 22px;box-shadow:none;border:0;
}
.gk-faq .accordion-button:not(.collapsed){color:var(--gk-primary-dark);background:#fff;}
.gk-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--gk-primary-soft);outline-offset:-2px;}
.gk-faq .accordion-button::after{display:none;}
.gk-faq .gk-faq-icon{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border:1px solid var(--gk-primary);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--gk-primary);font-size:11px;transition:transform .2s ease-out;
}
.gk-faq .accordion-button:not(.collapsed) .gk-faq-icon{transform:translateY(-50%) rotate(180deg);}
.gk-faq .accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--gk-text-sub);
}
.gk-faq .accordion-button-wrapper{position:relative;display:block;}

/* ============ CTA 条 ============ */
.gk-cta-band{background:var(--gk-bg-soft);border-top:1px solid var(--gk-border);border-bottom:1px solid var(--gk-border);}
.gk-cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:36px 0;
}
.gk-cta-inner h2{font-size:24px;font-weight:700;margin-bottom:8px;}
.gk-cta-inner p{margin:0;color:var(--gk-text-sub);font-size:15px;}
@media (max-width:767.98px){
  .gk-cta-inner{flex-direction:column;align-items:stretch;gap:20px;padding:32px 0;}
  .gk-cta-inner h2{font-size:20px;}
}

/* ============ 隐私小字 ============ */
.gk-privacy{
  background:var(--gk-bg-soft);border-top:1px solid var(--gk-border);
  padding:20px 0;font-size:13px;color:var(--gk-text-sub);line-height:1.8;
}
.gk-privacy i{color:var(--gk-primary);margin-right:8px;}
.gk-privacy a{font-weight:500;}

/* ============ 页脚 ============ */
.gk-footer{
  background:var(--gk-footer);color:#B9C6DC;padding:64px 0 0;
}
.gk-footer .gk-brand-name{color:#fff;}
.gk-footer .gk-brand-sub{color:#8FA1C0;}
.gk-footer .gk-brand-mark{background:linear-gradient(140deg,#2A5BD7,#4A79E8);}
.gk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.gk-footer p{font-size:14px;line-height:1.85;color:#B9C6DC;margin:0;}
.gk-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.gk-footer-links{display:flex;flex-direction:column;gap:10px;}
.gk-footer-links a{font-size:14px;color:#B9C6DC;}
.gk-footer-links a:hover{color:#fff;text-decoration:none;}
.gk-footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px 24px;
  font-size:13px;color:#8FA1C0;
}
.gk-footer-bottom a{color:#B9C6DC;}
.gk-footer-bottom a:hover{color:#fff;}
@media (max-width:767.98px){
  .gk-footer{padding-top:48px;}
  .gk-footer-bottom{flex-direction:column;gap:8px;}
}

/* ============ 悬浮表单 ============ */
.gk-float{
  position:fixed;right:24px;bottom:24px;width:320px;z-index:1020;
  background:#fff;border:1px solid var(--gk-border);border-radius:var(--gk-r-md);
  box-shadow:var(--gk-shadow-3);padding:22px;display:none;
}
.gk-float.is-open{display:block;}
.gk-float-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px;}
.gk-float-head strong{font-size:15px;font-weight:600;}
.gk-float-close{
  border:0;background:var(--gk-bg-soft);color:var(--gk-text-sub);
  width:26px;height:26px;border-radius:8px;font-size:12px;flex:0 0 26px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.gk-float-close:hover{background:var(--gk-primary-soft);color:var(--gk-primary);}
.gk-field{margin-bottom:12px;}
.gk-field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--gk-text);}
.gk-field input,.gk-field select{
  width:100%;height:42px;border:1px solid var(--gk-border);border-radius:var(--gk-r-btn);
  padding:0 12px;font-size:14px;font-family:inherit;color:var(--gk-text);background:#fff;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.gk-field input:focus,.gk-field select:focus{
  outline:none;border-color:var(--gk-primary);box-shadow:0 0 0 2px rgba(42,91,215,.18);
}
.gk-float .gk-consent{
  display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--gk-text-weak);
  line-height:1.6;margin:12px 0 14px;
}
.gk-float .gk-consent input{margin-top:3px;flex:0 0 auto;}

.gk-float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;display:none;
  background:#fff;border-top:1px solid var(--gk-border);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px rgba(15,27,45,.08);
  align-items:center;gap:12px;
}
.gk-float-bar span{font-size:13px;color:var(--gk-text-sub);flex:1;}
@media (max-width:767.98px){
  .gk-float{display:none !important;}
  .gk-float-bar{display:flex;}
}

/* ============ 返回顶部 ============ */
.gk-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--gk-border);box-shadow:var(--gk-shadow-2);
  color:var(--gk-primary);font-size:14px;display:none;align-items:center;justify-content:center;
  cursor:pointer;z-index:1010;transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.gk-top.is-show{display:flex;}
.gk-top:hover{transform:translateY(-3px);box-shadow:var(--gk-shadow-3);}
.gk-top.is-lifted{bottom:96px;}
@media (max-width:767.98px){
  .gk-top{right:16px;bottom:82px;}
}