/* QuickQ 站点共享样式 - 所有页面共用 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;font-size:15px;line-height:1.7;color:#2F5478;background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:#0055DD;text-decoration:none;transition:color .2s}
a:hover{color:#0044BB}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{color:#0A2540;line-height:1.3;font-weight:600}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 导航栏 */
.navbar{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 12px rgba(10,37,64,.06);border-bottom:1px solid #E8F0FE}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1200px;margin:0 auto;padding:0 20px}
.nav-logo{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:700;color:#0A2540}
.nav-logo .logo-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#0055DD,#0044BB);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.nav-logo span{color:#0055DD}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:#2F5478;font-size:15px;font-weight:500;padding:6px 0;position:relative}
.nav-links a:hover{color:#0055DD}
.nav-links a.active{color:#0055DD}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:#0055DD;border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s;text-align:center;line-height:1;text-decoration:none}
.btn-primary{background:#0055DD;color:#fff}
.btn-primary:hover{background:#0044BB;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,85,221,.25)}
.btn-outline{background:#fff;color:#0055DD;border:1px solid #0055DD}
.btn-outline:hover{background:#F0F7FF;color:#0055DD}
.btn-sm{padding:8px 18px;font-size:13px}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:#0A2540;cursor:pointer;width:36px;height:36px}

/* 通用section */
.section{padding:70px 0 60px}
.section-light{background:#F7FAFF}
.section-head{text-align:center;max-width:720px;margin:0 auto 50px}
.section-head .eyebrow{color:#0055DD;font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px;display:inline-block}
.section-head h2{font-size:28px;color:#0A2540;margin-bottom:14px}
.section-head p{color:#5A7FA0;font-size:16px}

/* 面包屑 */
.breadcrumb{padding:18px 0;background:#F7FAFF;font-size:13px;color:#5A7FA0}
.breadcrumb a{color:#5A7FA0}
.breadcrumb a:hover{color:#0055DD}
.breadcrumb .sep{margin:0 8px;color:#C0CDD9}
.breadcrumb .current{color:#0A2540;font-weight:500}

/* 子页hero */
.page-hero{padding:60px 0 50px;background:linear-gradient(135deg,#ffffff 0%,#e8f0fe 100%);text-align:center}
.page-hero h1{font-size:32px;margin-bottom:14px}
.page-hero p{font-size:16px;color:#5A7FA0;max-width:700px;margin:0 auto}

/* footer */
footer{background:#0A2540;border-top:3px solid #0055DD;padding:60px 0 24px;color:rgba(255,255,255,.7);font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:50px;margin-bottom:40px}
.foot-brand{font-size:22px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-brand span{color:#4DA3FF}
.foot-desc{color:rgba(255,255,255,.6);line-height:1.8;margin-bottom:14px;font-size:13px}
.foot-icp{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.6);font-size:13px}
.foot-icp a{color:rgba(255,255,255,.6)}
.foot-icp a:hover{color:#fff}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:rgba(255,255,255,.65);font-size:13px}
.foot-col ul a:hover{color:#fff}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;color:rgba(255,255,255,.5);font-size:13px}

/* 通用卡片 */
.card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 8px 24px rgba(10,37,64,.08);border:1px solid #E8F0FE}
.card:hover{border-color:#0055DD}

/* 响应式 */
@media (max-width:1024px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .nav-mobile-open .nav-links{display:flex;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:16px;box-shadow:0 8px 24px rgba(10,37,64,.1);border-top:1px solid #E8F0FE;align-items:flex-start}
  .nav-mobile-open .nav-cta .btn{display:inline-flex}
  .nav-mobile-open{position:relative}
  .section{padding:50px 0 40px}
  .section-head h2{font-size:24px}
  .page-hero{padding:40px 0 30px}
  .page-hero h1{font-size:24px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
}