/* ===== base.css — 全站基础样式 ===== */
/* 来源：head.html 内联 <style>（变量+导航+section+卡片+footer+分页+面包屑+动画+响应式） */

  :root{
    --white:#ffffff;
    --gray-l:#e5e7eb;
    --gray-m:#9ca3af;
    --gray-d:#4a5568;
    --char:#1a202c;
    --klein:#1e3a8a;
    --klein-l:#3b5bb5;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:'Noto Sans SC',system-ui,sans-serif;background:var(--white);color:var(--char);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
  .container{max-width:1280px;margin:0 auto;padding:0 32px}
  a{color:var(--klein);text-decoration:none;transition:color .2s}
  a:hover{color:var(--char)}

  /* NAV */
  nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--gray-l)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo,h1.logo{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:600;font-size:22px;color:var(--char);letter-spacing:-.01em;text-decoration:none;margin:0}
  h1.logo a{color:inherit;text-decoration:none;display:flex;align-items:center;gap:10px}
  .logo-dot{width:8px;height:8px;background:var(--klein);border-radius:50%}
  .logo small{font-size:11px;color:var(--gray-m);letter-spacing:.2em;font-weight:400;font-family:'Noto Sans SC'}
  .nav-links{display:flex;gap:34px;list-style:none}
  .nav-links a{color:var(--gray-d);text-decoration:none;font-size:14px;font-weight:400;transition:color .2s;position:relative;padding:8px 0}
  .nav-links a:hover,.nav-links a.active{color:var(--char)}
  .nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--klein)}
  .nav-cta{padding:9px 20px;background:var(--char);color:var(--white);font-size:13px;letter-spacing:.05em;text-decoration:none;font-weight:500;transition:background .2s}
  .nav-cta:hover{background:var(--klein)}
  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer}
  .burger span{width:22px;height:1.5px;background:var(--char);transition:.3s}

  /* SECTION 通用 */
  section{padding:100px 0}
  .sec-head{margin-bottom:64px;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
  .sec-left{max-width:560px}
  .sec-eyebrow{font-family:'Fraunces',serif;font-style:italic;color:var(--klein);font-size:14px;letter-spacing:.05em;margin-bottom:12px;display:block}
  .sec-title{font-family:'Fraunces',serif;font-size:clamp(32px,4vw,48px);font-weight:400;color:var(--char);letter-spacing:-.01em;line-height:1.1}
  .sec-title .zh{font-family:'Noto Sans SC';font-weight:500;display:block;font-size:.55em;margin-top:8px;letter-spacing:.02em}
  .sec-sub{font-size:14px;color:var(--gray-d);max-width:380px;line-height:1.7}
  .sec-link{color:var(--char);font-size:13px;text-decoration:none;border-bottom:1px solid var(--char);padding-bottom:2px;font-weight:500}
  .sec-link:hover{color:var(--klein);border-color:var(--klein)}

  /* CITY TABS */
  .city-tabs{display:flex;gap:0;border-bottom:1px solid var(--gray-l);margin-bottom:48px;overflow-x:auto}
  .city-tab{padding:14px 24px;border:none;background:transparent;color:var(--gray-m);font-size:14px;cursor:pointer;font-family:inherit;font-weight:500;transition:color .2s;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
  .city-tab:hover{color:var(--char)}
  .city-tab.active{color:var(--char);border-bottom-color:var(--klein)}

  /* MEMBER CARD 通用 */
  .member-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--gray-l);border:1px solid var(--gray-l)}
  .member-card{background:var(--white);transition:background .3s;position:relative;cursor:pointer}
  .member-card:hover{background:#f5f5f7}
  .mc-photo{height:300px;position:relative;overflow:hidden;background:linear-gradient(160deg,#e5e7eb,#9ca3af)}
  .mc-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
  .member-card:hover .mc-photo img{transform:scale(1.04)}
  .mc-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 70%,rgba(0,0,0,.18) 100%);pointer-events:none}
  .mc-badge{position:absolute;top:14px;left:14px;background:var(--white);color:var(--char);font-size:10px;font-weight:600;padding:5px 10px;letter-spacing:.12em;display:flex;align-items:center;gap:5px}
  .mc-badge::before{content:"";width:5px;height:5px;background:var(--klein);border-radius:50%}
  .mc-fav{position:absolute;top:14px;right:14px;color:var(--gray-d);font-size:14px;background:var(--white);width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:1px solid var(--gray-l);font-family:'Fraunces',serif;font-weight:300}
  .mc-info{padding:22px 20px}
  .mc-name{font-family:'Fraunces',serif;font-size:22px;font-weight:500;color:var(--char);margin-bottom:6px}
  .mc-name a{color:inherit;text-decoration:none}
  .mc-stats{font-size:12px;color:var(--gray-d);margin-bottom:14px;letter-spacing:.02em;padding-bottom:12px;border-bottom:1px solid var(--gray-l)}
  .mc-stats strong{color:var(--char);font-weight:600}
  .mc-meta{font-size:12.5px;color:var(--gray-m);margin-bottom:18px;letter-spacing:.03em}
  .mc-meta a{color:var(--gray-d);text-decoration:none;transition:color .2s}
  .mc-meta a:hover{color:var(--klein)}
  .mc-meta span{margin:0 6px;color:var(--gray-l)}
  .mc-services{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
  .mc-services a{font-size:11px;color:var(--gray-d);background:#f5f5f7;padding:3px 9px;text-decoration:none;transition:all .2s;letter-spacing:.02em;font-weight:500}
  .mc-services a:hover{background:var(--klein);color:#fff}
  .mc-extra{display:flex;justify-content:space-between;font-size:11px;color:var(--gray-m);padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--gray-l);letter-spacing:.02em}
  .mc-extra strong{color:var(--char);font-weight:600}
  .mc-price{display:flex;justify-content:space-between;align-items:baseline;padding-top:18px;border-top:1px solid var(--gray-l)}
  .mc-price .p{font-family:'Fraunces',serif;font-size:24px;color:var(--char);font-weight:500}
  .mc-price .p small{font-size:12px;color:var(--gray-m);font-family:'Noto Sans SC';font-weight:400}
  .mc-price .book{font-size:12px;color:var(--char);text-decoration:none;font-weight:500;letter-spacing:.05em}
  .mc-price .book::after{content:" →";color:var(--klein)}
  .mc-status{position:absolute;bottom:14px;left:14px;background:rgba(255,255,255,.94);color:var(--gray-d);font-size:10px;padding:4px 9px;letter-spacing:.03em;display:flex;align-items:center;gap:5px;font-weight:500}
  .mc-status::before{content:"";width:5px;height:5px;background:#22c55e;border-radius:50%;display:inline-block}
  .mc-status.offline::before{background:var(--gray-m)}

  /* FOOTER */
  footer{border-top:1px solid var(--gray-l);padding:64px 0 110px}
  .foot-grid{display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:32px;margin-bottom:48px}
  .foot-brand{font-family:'Fraunces',serif;font-size:22px;font-weight:600;color:var(--char);margin-bottom:8px}
  .foot-tag{font-size:13px;color:var(--gray-m);line-height:1.7}
  .foot-col h5{font-size:12px;color:var(--char);font-weight:600;margin-bottom:18px;letter-spacing:.08em}
  .foot-col ul{list-style:none}
  .foot-col li{margin-bottom:10px}
  .foot-col a{color:var(--gray-d);text-decoration:none;font-size:13px;transition:color .2s}
  .foot-col a:hover{color:var(--klein)}
  .foot-bottom{padding-top:32px;border-top:1px solid var(--gray-l);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;color:var(--gray-m);font-size:12px;letter-spacing:.04em}

  /* MOBILE CTA */
  .mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--white);border-top:1px solid var(--gray-l)}
  .mobile-cta a{flex:1;padding:16px;text-align:center;text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.04em}
  .mcta-call{color:var(--char);border-right:1px solid var(--gray-l)}
  .mcta-book{background:var(--char);color:var(--white)}

  /* BREADCRUMB 通用 */
  .crumb{padding:24px 0 0;font-size:13px;color:var(--gray-m);letter-spacing:.02em}
  .crumb a{color:var(--gray-d)}
  .crumb span{margin:0 8px;color:var(--gray-l)}

  /* PAGINATION 通用 */
  .pagination{display:flex;justify-content:center;gap:6px;padding:32px 0 0;flex-wrap:wrap;align-items:center}
  .pagination a,.pagination span{padding:8px 14px;border:1px solid var(--gray-l);color:var(--gray-d);font-size:13px;text-decoration:none;transition:all .2s;background:var(--white)}
  .pagination a:hover{border-color:var(--char);color:var(--char)}
  .pagination .page-num{padding:8px 14px;border:1px solid var(--gray-l);color:var(--gray-d);font-size:13px;text-decoration:none;background:var(--white)}
  .pagination .page-num:hover{border-color:var(--char);color:var(--char)}
  .pagination .page-num-current{background:var(--char);color:var(--white);border-color:var(--char);padding:8px 14px;font-size:13px}
  .pagination .page-info{color:var(--gray-m);font-size:12px;border:none;background:transparent;padding:4px 8px}

  /* ANIMATIONS */
  @keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
  .anim{animation:fadeUp .8s ease both}
  .d1{animation-delay:.1s}.d2{animation-delay:.25s}.d3{animation-delay:.4s}

  /* RESPONSIVE 公共 */
  @media (max-width:980px){
    .member-grid{grid-template-columns:repeat(2,1fr)}
    .foot-grid{grid-template-columns:repeat(3,1fr)}
    .nav-links{display:none;position:fixed;top:60px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:12px 24px;border-bottom:1px solid var(--gray-l);box-shadow:0 4px 12px rgba(0,0,0,.08);z-index:100}
    .nav-links.nav-open{display:flex}
    .nav-links.nav-open li{padding:10px 0;border-bottom:1px solid var(--gray-l)}
    .nav-links.nav-open li:last-child{border-bottom:none}
    .burger{display:flex}
    .burger-active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
    .burger-active span:nth-child(2){opacity:0}
    .burger-active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  }
  @media (max-width:560px){
    .container{padding:0 16px}
    .member-grid{grid-template-columns:1fr}
    .foot-grid{grid-template-columns:1fr 1fr;gap:18px 14px}
    .foot-col:first-child{grid-column:1/-1;margin-bottom:2px}
    .foot-col:first-child .foot-brand{font-size:18px;margin-bottom:4px}
    .foot-col:first-child .foot-tag{font-size:12px;line-height:1.6}
    .foot-col:first-child .foot-tag:last-of-type{margin-top:4px}
    .foot-col:first-child .foot-social{margin-top:10px;gap:6px}
    .foot-col:first-child .foot-social a{padding:4px 9px;font-size:11px}
    .foot-col h5{margin-bottom:10px;font-size:11px}
    .foot-col li{margin-bottom:7px}
    .foot-col a{font-size:12px}
    .foot-trust{padding:14px 0;margin-bottom:16px;gap:7px 12px}
    .foot-trust .ft-label{display:none}
    .foot-trust .ft-divider{display:none}
    .foot-trust .ft-item{font-size:11px}
    .foot-bottom{flex-direction:column;align-items:flex-start;gap:5px;padding-top:18px;font-size:11px}
    footer{padding:36px 0 78px}
    .mobile-cta{display:flex}
    .sec-head{margin-bottom:20px!important}
    .sec-eyebrow{font-size:11px!important}
    .sec-title{font-size:22px!important}
    .sec-sub{font-size:13px!important;margin-top:4px!important}
    section{padding-top:40px!important}
    #members{padding-top:60px!important}
    #limited,#newcomers,#stories,#citypick{padding-top:40px!important}
    .city-pick-grid{grid-template-columns:repeat(2,1fr)!important}
    .rank-list{grid-template-columns:1fr!important}
    .pledge-list{grid-template-columns:1fr!important}
    .flow-list{grid-template-columns:1fr!important}
    .app-showcase{grid-template-columns:1fr!important;gap:32px!important}
    .app-phone{width:200px;height:400px}
    .split{grid-template-columns:1fr!important;gap:32px!important}
    .faq-box{padding-left:0!important;border-left:none!important;padding-top:24px!important;border-top:1px solid var(--gray-l)!important}
  }

/* ===== 来源 foot.css（footer 社交 + QQ 弹窗） ===== */
  .foot-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
  .foot-social a{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;font-size:12px;color:var(--gray-d);background:#f5f5f7;text-decoration:none;transition:all .2s;letter-spacing:.02em;font-weight:500}
  .foot-social a:hover{background:var(--char);color:#fff}
  .foot-social .s-ico{width:14px;height:14px;display:inline-flex;align-items:center;justify-content:center;font-size:13px}
  .foot-trust{padding:28px 0;border-top:1px solid var(--gray-l);border-bottom:1px solid var(--gray-l);margin-bottom:32px;display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center}
  .foot-trust .ft-label{font-size:12px;color:var(--gray-m);letter-spacing:.08em;font-weight:600;margin-right:6px}
  .foot-trust .ft-item{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--gray-d);letter-spacing:.02em}
  .foot-trust .ft-item::before{content:"✓";color:#22c55e;font-weight:700;font-size:13px}
  .foot-trust .ft-divider{width:1px;height:12px;background:var(--gray-l)}

.qq-dialog{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center}
.qq-dialog-mask{position:absolute;inset:0;background:rgba(0,0,0,.5)}
.qq-dialog-box{position:relative;background:#fff;border-radius:16px;padding:36px 32px 28px;width:80%;max-width:320px;text-align:center;z-index:1}
.qq-dialog-close{position:absolute;top:12px;right:16px;font-size:24px;color:#9ca3af;cursor:pointer;line-height:1}
.qq-dialog-title{font-size:18px;font-weight:600;color:#1a202c;margin-bottom:8px}
.qq-dialog-desc{font-size:13px;color:#9ca3af;margin-bottom:20px}
.qq-dialog-num{font-size:28px;font-weight:700;color:#1e3a8a;letter-spacing:.05em;padding:16px 0;border:2px dashed #e5e7eb;border-radius:8px;margin-bottom:16px;user-select:all;-webkit-user-select:all}
.qq-dialog-tip{font-size:12px;color:#9ca3af}