:root{
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --blue-deep:#0F2A4A;
  --blue-soft:#EFF6FF;
  --blue-tint:#F5F8FF;
  --cyan:#0EA5E9;
  --teal:#0D9488;
  --ink:#111827;
  --ink-2:#374151;
  --ink-3:#6B7280;
  --ink-4:#9CA3AF;
  --line:#E5E7EB;
  --line-soft:#F3F4F6;
  --bg:#FFFFFF;
  --bg-soft:#F9FAFB;
  --gold:#B45309;
  --shadow-sm:0 1px 3px rgba(0,0,0,.04);
  --shadow-md:0 4px 20px rgba(15,42,74,.08);
  --shadow-lg:0 16px 48px rgba(15,42,74,.12);
  --shadow-card:0 1px 3px rgba(0,0,0,.03), 0 0 0 1px rgba(0,0,0,.03);
  --ease:cubic-bezier(.22,.68,0,1.1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --radius:16px;
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;scroll-padding-top:72px}
html,body{
  background:#FAFBFC;color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Helvetica Neue","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.7;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
body{min-height:100vh;overflow-x:hidden}
a{color:var(--blue-dark);text-decoration:none}
a:hover{color:var(--blue)}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ===== 顶栏 ===== */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(16px);
  -webkit-backdrop-filter:saturate(140%) blur(16px);
  background:rgba(250,251,252,.88);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.topbar .row{
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;
  padding:14px 28px;gap:16px;
}
.topbar .brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink)}
.topbar .brand .logo{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#0F2A4A,#2563EB);
  display:grid;place-items:center;color:#fff;font-size:16px;
  box-shadow:0 2px 8px rgba(15,42,74,.2);
}
.topbar .brand .title{font-size:14.5px;letter-spacing:.3px;color:var(--ink-2)}

/* ===== Hero ===== */
.hero{
  position:relative;color:#fff;
  padding:100px 28px 96px;
  background:url('hero-bg.png') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(
    135deg,
    rgba(10,25,50,.82) 0%,
    rgba(15,35,65,.72) 35%,
    rgba(20,50,90,.55) 65%,
    rgba(14,80,120,.45) 100%
  );
}
.hero .orb{
  position:absolute;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle, rgba(255,255,255,.1), transparent 70%);
  filter:blur(1px);
}
.hero .orb-1{width:300px;height:300px;right:-60px;top:-80px;animation:drift-a 14s ease-in-out infinite}
.hero .orb-2{width:200px;height:200px;left:-40px;bottom:-40px;animation:drift-b 18s ease-in-out infinite}
.hero .orb-3{width:160px;height:160px;right:30%;top:50%;animation:drift-c 12s ease-in-out infinite}
@keyframes drift-a{0%,100%{transform:translate(0,0)}50%{transform:translate(-20px,30px)}}
@keyframes drift-b{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-20px)}}
@keyframes drift-c{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,20px)}}

.hero .wave-bottom{
  position:absolute;bottom:-1px;left:0;right:0;
  height:64px;pointer-events:none;
}
.hero .wave-bottom svg{width:100%;height:100%;display:block}

.hero .container{max-width:1120px;margin:0 auto;position:relative;z-index:1}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;text-transform:uppercase;
  opacity:.7;margin-bottom:18px;font-weight:600;
}
.hero .eyebrow::after{content:"";width:32px;height:1px;background:rgba(255,255,255,.4)}
.hero h1{
  font-size:clamp(30px,5vw,48px);line-height:1.15;
  letter-spacing:-.5px;font-weight:800;max-width:680px;
}
.hero .lede{
  margin-top:18px;font-size:clamp(14px,1.8vw,16.5px);
  max-width:580px;color:rgba(255,255,255,.78);line-height:1.8;
}
.hero .stat-row{margin-top:40px;display:flex;flex-wrap:wrap;gap:16px}
.hero .stat{
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.12);
  padding:20px 28px;border-radius:16px;min-width:120px;
  transition:background .3s;
}
.hero .stat:hover{background:rgba(255,255,255,.14)}
.hero .stat .v{font-size:32px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.hero .stat .k{font-size:11.5px;opacity:.65;margin-top:8px;letter-spacing:.6px;font-weight:500}

/* ===== 通用 ===== */
.container{max-width:1120px;margin:0 auto;padding:0 28px}
.section{padding-top:48px;padding-bottom:64px}

/* ===== 搜索栏 ===== */
.toolbar{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-bottom:28px;
}
.search{flex:1;min-width:260px;position:relative}
.search input{
  width:100%;padding:14px 44px 14px 48px;font-size:15px;
  background:#fff;border:1.5px solid var(--line);border-radius:14px;
  transition:all .25s var(--ease-out);
  box-shadow:var(--shadow-sm);
}
.search input:focus{
  outline:none;border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(37,99,235,.1), var(--shadow-md);
}
.search input::placeholder{color:var(--ink-4)}
.search .search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-4);pointer-events:none;
  transition:color .2s;
}
.search input:focus ~ .search-icon{color:var(--blue)}
.count-pill{
  margin-left:auto;font-size:13px;color:var(--ink-3);font-weight:500;
  padding:8px 16px;background:#fff;border-radius:999px;
  border:1px solid var(--line);
}

/* ===== 筛选区 ===== */
.filter-section{margin-bottom:32px}
.filter-group{margin-bottom:16px}
.filter-header{
  display:flex;align-items:center;gap:8px;
  margin-bottom:10px;cursor:pointer;user-select:none;
}
.filter-header .label{font-size:12.5px;color:var(--ink-3);font-weight:600;letter-spacing:.5px}
.filter-header .arrow{
  width:16px;height:16px;color:var(--ink-4);
  transition:transform .25s var(--ease-out);
}
.filter-header.collapsed .arrow{transform:rotate(-90deg)}
.chip-row{display:flex;gap:7px;flex-wrap:wrap;transition:all .3s;overflow:hidden}
.chip-row.collapsed{max-height:0;margin:0;opacity:0;pointer-events:none}
.chip{
  padding:6px 14px;border-radius:8px;font-size:12.5px;font-weight:500;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  cursor:pointer;transition:all .2s var(--ease-out);
  box-shadow:0 1px 2px rgba(0,0,0,.02);
}
.chip:hover{border-color:var(--blue);color:var(--blue-dark);background:var(--blue-soft)}
.chip.active{
  background:var(--blue-deep);color:#fff;border-color:var(--blue-deep);
  box-shadow:0 2px 8px rgba(15,42,74,.2);
}
.chip .num{opacity:.55;margin-left:3px;font-weight:400}

/* ===== 成员卡片网格 ===== */
.members-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
}
@media (max-width:980px){.members-grid{grid-template-columns:repeat(2, 1fr)}}
@media (max-width:640px){.members-grid{grid-template-columns:1fr}}

.mcard{
  background:#fff;
  border:1px solid rgba(0,0,0,.06);
  border-radius:var(--radius);
  padding:0;
  transition:all .3s var(--ease-out);
  position:relative;cursor:pointer;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.mcard::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  border-radius:3px 0 0 3px;
  background:var(--accent, var(--blue));
  opacity:0;transition:opacity .3s;
}
.mcard:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.mcard:hover::before{opacity:1}
.mcard:hover .mcard-f{color:var(--blue);transform:translateX(3px)}

.mcard-inner{padding:22px 24px 18px}

.mcard-h{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.mcard .avatar{
  width:46px;height:46px;border-radius:12px;flex:none;
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:17px;
  letter-spacing:.5px;text-shadow:0 1px 3px rgba(0,0,0,.15);
  box-shadow:0 2px 8px rgba(0,0,0,.12);
}
.mcard-id{min-width:0;flex:1}
.mcard-name{
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.3;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.mcard-meta{
  font-size:12px;color:var(--ink-3);margin-top:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  display:flex;align-items:center;gap:6px;
}
.mcard-meta .city{display:inline-flex;align-items:center;gap:5px}
.mcard-meta .city::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--teal);
}

.mcard-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px;min-height:22px}
.mcard-tags .t-chip{
  font-size:11px;padding:3px 8px;border-radius:6px;
  background:var(--blue-soft);color:var(--blue-dark);font-weight:600;
  white-space:nowrap;line-height:1.4;
}

.mcard-punch{
  font-size:13.5px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;
  -webkit-line-clamp:3;
  margin-bottom:12px;
}

.mcard-f{
  font-size:12px;color:var(--ink-4);
  text-align:right;letter-spacing:.3px;font-weight:500;
  transition:all .25s var(--ease-out);
}

/* ===== Modal ===== */
.modal-mask{
  position:fixed;inset:0;background:rgba(10,20,40,.45);
  display:none;align-items:center;justify-content:center;
  z-index:200;padding:24px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.modal-mask.open{display:flex}
.modal{
  background:#fff;border-radius:20px;max-width:560px;width:100%;
  max-height:85vh;overflow:auto;
  box-shadow:0 32px 80px rgba(15,42,74,.25), 0 0 0 1px rgba(0,0,0,.04);
  animation:modalIn .35s var(--ease-out);
}
@keyframes modalIn{from{transform:translateY(12px) scale(.97);opacity:0}to{transform:none;opacity:1}}
.modal .modal-wrap{position:relative}
.modal .modal-accent{
  height:4px;border-radius:20px 20px 0 0;
}
.modal .head{
  padding:28px 28px 0;display:flex;gap:16px;align-items:flex-start;
}
.modal .head .avatar{
  width:56px;height:56px;border-radius:14px;flex:none;
  display:grid;place-items:center;color:#fff;font-size:20px;font-weight:700;
  box-shadow:0 4px 12px rgba(0,0,0,.15);
}
.modal .head-info{min-width:0;flex:1;padding-top:4px}
.modal .head-name{font-size:22px;font-weight:700;line-height:1.3;color:var(--ink)}
.modal .head-sub{font-size:13px;color:var(--ink-3);margin-top:4px}
.modal .head-city{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12.5px;color:var(--teal);font-weight:600;margin-top:6px;
}
.modal .head-city svg{width:14px;height:14px}
.modal .body{padding:20px 28px 32px}
.modal .modal-tags{
  display:flex;flex-wrap:wrap;gap:6px;padding:12px 0 0;
}
.modal .modal-tags .t-chip{
  font-size:11.5px;padding:4px 10px;border-radius:7px;
  background:var(--blue-soft);color:var(--blue-dark);font-weight:600;
}
.modal .field{padding:16px 0;border-top:1px solid var(--line-soft)}
.modal .field:first-of-type{margin-top:8px}
.modal .field-k{
  font-size:11.5px;font-weight:700;color:var(--ink-3);
  letter-spacing:.8px;text-transform:uppercase;margin-bottom:8px;
}
.modal .field-v{font-size:14.5px;color:var(--ink-2);line-height:1.85;white-space:pre-wrap;word-break:break-word}
.modal .close{
  position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:10px;
  background:var(--bg-soft);display:grid;place-items:center;color:var(--ink-3);
  cursor:pointer;transition:all .2s;
  border:1px solid var(--line);
}
.modal .close:hover{background:var(--line);color:var(--ink)}
.modal .close svg{width:16px;height:16px}

/* ===== 页脚 ===== */
.footer{
  padding:48px 28px;text-align:center;color:var(--ink-4);font-size:13px;
  border-top:1px solid var(--line-soft);margin-top:32px;
  background:#fff;
}

/* ===== 动画 ===== */
.reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .45s var(--ease-out),transform .45s var(--ease-out);
  will-change:opacity,transform;
}
.reveal.visible{opacity:1;transform:none}
.reveal:nth-child(3n+2){transition-delay:.04s}
.reveal:nth-child(3n+3){transition-delay:.08s}

/* ===== 空状态 ===== */
.empty-state{
  color:var(--ink-3);padding:80px 24px;text-align:center;font-size:15px;
  grid-column:1/-1;
}
.empty-state .icon{font-size:40px;margin-bottom:12px;opacity:.4}
.empty-state .msg{font-weight:500}
.empty-state .hint{font-size:13px;color:var(--ink-4);margin-top:6px}

/* ===== 移动端 ===== */
@media (max-width:680px){
  body{font-size:14.5px}
  .hero{padding:72px 20px 80px}
  .hero h1{font-size:26px;line-height:1.25}
  .hero .lede{font-size:14px;margin-top:12px}
  .hero .stat-row{gap:10px;margin-top:24px}
  .hero .stat{padding:16px 18px;min-width:0;flex:1 1 calc(50% - 5px)}
  .hero .stat .v{font-size:26px}
  .hero .stat .k{font-size:11px}
  .topbar .row{padding:12px 16px;gap:8px}
  .topbar .brand .logo{width:30px;height:30px;font-size:14px}
  .topbar .brand .title{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .container{padding:0 16px}
  .section{padding-top:32px;padding-bottom:48px}
  .mcard-inner{padding:18px 18px 14px}
  .mcard-name{font-size:15px}

  .modal-mask{padding:0;align-items:flex-end}
  .modal{
    max-height:92vh;border-radius:20px 20px 0 0;max-width:100%;
    animation:slideUp .35s var(--ease-out);
  }
  .modal .head{padding:22px 20px 0}
  .modal .body{padding:16px 20px 28px}
  @keyframes slideUp{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
}
@media (max-width:420px){
  .hero h1{font-size:23px}
  .hero .stat{flex:1 1 100%}
  .topbar .brand .title{font-size:12px}
}

/* ===== 搜索清除按钮 ===== */
.search .clear-btn{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:6px;
  background:var(--line);display:none;
  place-items:center;color:var(--ink-3);
  cursor:pointer;transition:all .15s;
}
.search .clear-btn.show{display:grid}
.search .clear-btn:hover{background:var(--ink-4);color:#fff}
.search .clear-btn svg{width:12px;height:12px}

/* ===== 筛选重置 ===== */
.filter-reset{
  display:none;align-items:center;gap:6px;
  font-size:12.5px;color:var(--blue);font-weight:500;
  cursor:pointer;padding:6px 14px;border-radius:8px;
  background:var(--blue-soft);border:1px solid rgba(37,99,235,.12);
  transition:all .2s;margin-bottom:16px;
}
.filter-reset.show{display:inline-flex}
.filter-reset:hover{background:rgba(37,99,235,.15)}
.filter-reset svg{width:14px;height:14px}

/* ===== 搜索高亮 ===== */
mark.hl{background:rgba(37,99,235,.12);color:var(--blue-dark);border-radius:2px;padding:0 1px}

/* ===== 弹窗 close sticky ===== */
.modal .modal-close-wrap{
  position:sticky;top:0;height:0;z-index:10;pointer-events:none;
}
.modal .modal-close-wrap .close{pointer-events:all}

/* ===== 标签展开 ===== */
.chip-row .show-more-btn{
  padding:6px 14px;border-radius:8px;font-size:12.5px;font-weight:500;
  background:none;border:1px dashed var(--line);color:var(--ink-3);
  cursor:pointer;transition:all .2s;
}
.chip-row .show-more-btn:hover{border-color:var(--blue);color:var(--blue)}

/* ===== 回到顶部 ===== */
.back-top{
  position:fixed;bottom:32px;right:32px;z-index:100;
  width:44px;height:44px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  display:grid;place-items:center;color:var(--ink-3);
  cursor:pointer;transition:all .3s var(--ease-out);
  opacity:0;transform:translateY(12px);pointer-events:none;
}
.back-top.show{opacity:1;transform:none;pointer-events:all}
.back-top:hover{color:var(--blue);border-color:var(--blue);box-shadow:var(--shadow-lg)}
.back-top svg{width:20px;height:20px}
@media (max-width:680px){
  .back-top{bottom:20px;right:20px;width:40px;height:40px;border-radius:12px}
}