*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root,[data-theme="dark"]{
  --bg:#0a0a0f;--bg-card:#12121a;--bg-hover:#1a1a28;
  --text:#e8e8ed;--text-muted:#8888a0;--text-dim:#5a5a70;
  --accent:#6c5ce7;--accent-end:#00b4d8;--accent-warm:#ff6b6b;
  --border:#1e1e2e;--border-light:#2a2a3a;
  --nav-bg:rgba(10,10,15,.88);--bar-bg:rgba(18,18,26,.96);
  --shadow:0 12px 40px rgba(0,0,0,.5);
  --r:10px;--r-lg:16px;
}
[data-theme="light"]{
  --bg:#f7f8fb;--bg-card:#ffffff;--bg-hover:#eef1f7;
  --text:#1a1f2e;--text-muted:#5a6478;--text-dim:#9aa3b8;
  --accent:#5b4ad4;--accent-end:#0090b0;--accent-warm:#e84855;
  --border:#e2e6ee;--border-light:#d4dae6;
  --nav-bg:rgba(255,255,255,.9);--bar-bg:rgba(255,255,255,.96);
  --shadow:0 12px 40px rgba(30,50,100,.12);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

.wrap{max-width:1200px;margin:0 auto;padding:0 16px}

/* header */
.top{position:sticky;top:0;z-index:50;background:var(--nav-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{font-weight:700;font-size:1.1rem;background:linear-gradient(135deg,var(--accent),var(--accent-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.brand-sub{font-size:.75rem;color:var(--text-muted);-webkit-text-fill-color:var(--text-muted);font-weight:500;margin-left:4px}
.topnav{display:flex;gap:18px;align-items:center}
.topnav a{font-size:.9rem;color:var(--text-muted);transition:color .15s}
.topnav a:hover{color:var(--text)}
.theme-btn{font-size:1.05rem;padding:4px 8px;border-radius:8px;transition:background .15s;line-height:1}
.theme-btn:hover{background:var(--bg-hover)}

/* hero */
.hero{padding:40px 0 28px;text-align:center}
.hero h1{font-size:1.8rem;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.hero p{color:var(--text-muted);font-size:.95rem;max-width:580px;margin:0 auto}

/* search */
.search-box{max-width:560px;margin:24px auto 0;position:relative}
.search-box input{width:100%;padding:14px 18px;font-size:1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);color:var(--text);transition:border-color .15s}
.search-box input:focus{outline:none;border-color:var(--accent)}
.search-box input::placeholder{color:var(--text-dim)}
.search-results{position:absolute;top:100%;left:0;right:0;margin-top:6px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);max-height:360px;overflow-y:auto;box-shadow:var(--shadow);z-index:10}
.search-results.hidden{display:none}
.sr-item{padding:10px 14px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px;transition:background .12s}
.sr-item:last-child{border-bottom:none}
.sr-item:hover,.sr-item.active{background:var(--bg-hover)}
.sr-name{font-weight:500}
.sr-meta{font-size:.78rem;color:var(--text-muted)}

/* province grid */
.province-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin-top:30px}
.pv-card{padding:14px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);text-align:center;transition:all .15s;position:relative;cursor:pointer}
.pv-card:hover{border-color:var(--accent);background:var(--bg-hover);transform:translateY(-1px)}
.pv-card.disabled{opacity:.45;cursor:not-allowed}
.pv-card.disabled:hover{transform:none;border-color:var(--border)}
.pv-name{font-size:.95rem;font-weight:500}
.pv-count{font-size:.72rem;color:var(--text-muted);margin-top:3px}
.pv-soon{position:absolute;top:4px;right:4px;font-size:.62rem;padding:1px 5px;background:var(--border-light);border-radius:6px;color:var(--text-dim)}

/* hot combos */
.combo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.combo-card{padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);transition:all .15s;display:block;position:relative}
.combo-card:hover{border-color:var(--accent);background:var(--bg-hover);transform:translateY(-1px)}
.combo-tag{position:absolute;top:10px;right:10px;font-size:.68rem;padding:2px 7px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-end));color:#fff;font-weight:500}
.combo-title{font-size:.95rem;font-weight:600;margin-bottom:4px;padding-right:50px}
.combo-desc{font-size:.78rem;color:var(--text-muted);line-height:1.5}

/* section */
.section{padding:28px 0}
.section-title{font-size:1.1rem;font-weight:600;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between}
.section-title .sub{font-size:.78rem;color:var(--text-muted);font-weight:400}

/* province detail */
.pv-header{padding:24px 0 16px;border-bottom:1px solid var(--border);margin-bottom:16px}
.pv-header h1{font-size:1.5rem;font-weight:700}
.pv-header .meta{font-size:.82rem;color:var(--text-muted);margin-top:6px}

.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.filter-chip{padding:6px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;font-size:.82rem;color:var(--text-muted);cursor:pointer;transition:all .15s;user-select:none}
.filter-chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.filter-chip:hover:not(.active){border-color:var(--accent);color:var(--text)}

/* table */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--r);background:var(--bg-card)}
table.schools{width:100%;border-collapse:collapse;font-size:.85rem;min-width:720px}
table.schools th,table.schools td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
table.schools th{background:var(--bg-hover);font-weight:600;font-size:.78rem;color:var(--text-muted);position:sticky;top:0;z-index:2}
table.schools tr:hover td{background:rgba(108,92,231,.06)}
table.schools tr.selected td{background:rgba(108,92,231,.15)}
.col-name{min-width:140px;white-space:normal!important}
.col-name a{color:var(--accent-end);font-weight:500}
.col-name a:hover{text-decoration:underline}
.col-check{width:36px;text-align:center!important}
.col-check input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--accent)}
.tag{display:inline-block;padding:1px 6px;font-size:.7rem;border-radius:4px;background:var(--border-light);color:var(--text-muted);margin-right:3px}
.tag.t-985{background:#6c5ce7;color:#fff}
.tag.t-211{background:#0984e3;color:#fff}
.tag.t-dfc{background:#00b894;color:#fff}
.rank-n{font-weight:600;color:var(--accent-end)}

/* compare bar */
.compare-bar{position:fixed;bottom:0;left:0;right:0;background:var(--bar-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border);padding:10px 0 calc(10px + env(safe-area-inset-bottom));z-index:40;transform:translateY(100%);transition:transform .2s;box-shadow:0 -4px 20px rgba(0,0,0,.08)}
.compare-bar:not(.hidden){transform:translateY(0)}
.compare-bar .wrap{display:flex;align-items:center;gap:12px}
.cb-count{flex:1;font-size:.9rem;color:var(--text-muted)}
.cb-count b{color:var(--accent-end);font-size:1rem}
.btn-primary{padding:9px 18px;background:linear-gradient(135deg,var(--accent),var(--accent-end));border-radius:var(--r);color:#fff;font-weight:500;font-size:.9rem;transition:opacity .15s}
.btn-primary:hover{opacity:.9}
.btn-primary:disabled{opacity:.4;cursor:not-allowed}
.btn-ghost{padding:8px 12px;background:transparent;border:1px solid var(--border);border-radius:var(--r);color:var(--text-muted);font-size:.85rem;transition:all .15s}
.btn-ghost:hover{border-color:var(--accent);color:var(--text)}

/* compare page */
.cmp-grid{display:grid;gap:0;overflow-x:auto;border:1px solid var(--border);border-radius:var(--r);background:var(--bg-card)}
.cmp-row{display:grid;border-bottom:1px solid var(--border)}
.cmp-row:last-child{border-bottom:none}
.cmp-row.head{position:sticky;top:56px;background:var(--bg-hover);z-index:5}
.cmp-cell{padding:12px 14px;font-size:.85rem;border-right:1px solid var(--border);min-width:180px}
.cmp-cell:first-child{min-width:130px;font-weight:600;color:var(--text-muted);font-size:.8rem;background:var(--bg-hover);position:sticky;left:0;z-index:1}
.cmp-cell:last-child{border-right:none}
.cmp-row.head .cmp-cell{font-weight:700;color:var(--text);font-size:.95rem}
.cmp-row.head .cmp-cell:first-child{background:var(--bg-hover)}
.cmp-cell.empty{color:var(--text-dim)}

/* loading & empty */
.loading{padding:60px 0;text-align:center;color:var(--text-muted)}
.empty{padding:40px 0;text-align:center;color:var(--text-muted)}
.empty p{margin-bottom:10px}

/* foot */
.foot{border-top:1px solid var(--border);margin-top:40px;padding:20px 0 24px;font-size:.82rem;color:var(--text-muted)}
.foot p{margin-bottom:4px}
.foot .muted{color:var(--text-dim);font-size:.76rem}
.foot a{color:var(--accent-end)}

.hidden{display:none!important}
.muted{color:var(--text-muted)}

/* 面包屑 */
.crumb{padding:14px 0 6px;font-size:.82rem;color:var(--text-muted)}
.crumb a{color:var(--accent-end);transition:opacity .15s}
.crumb a:hover{opacity:.75;text-decoration:underline}
.crumb-sep{margin:0 8px;color:var(--text-dim)}

/* 引导三步卡片 */
.guide{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:20px}
.guide-step{padding:16px 18px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);position:relative;overflow:hidden}
.guide-step::before{content:attr(data-n);position:absolute;top:-12px;right:-8px;font-size:3.5rem;font-weight:800;color:var(--border);opacity:.6;line-height:1;pointer-events:none;font-family:Georgia,serif}
.guide-step h4{font-size:.95rem;font-weight:600;margin-bottom:6px}
.guide-step p{font-size:.8rem;color:var(--text-muted);line-height:1.55}

/* 省份页对比提示条 */
.cmp-hint{padding:10px 14px;background:linear-gradient(135deg,rgba(108,92,231,.08),rgba(0,180,216,.06));border:1px solid var(--border);border-radius:var(--r);margin-bottom:12px;font-size:.82rem;color:var(--text-muted);display:flex;align-items:center;gap:8px}
.cmp-hint b{color:var(--accent-end)}
[data-theme="light"] .cmp-hint{background:linear-gradient(135deg,rgba(91,74,212,.05),rgba(0,144,176,.04))}

/* 选中行更明显 */
table.schools tr.selected td{background:rgba(108,92,231,.18)}
[data-theme="light"] table.schools tr.selected td{background:rgba(91,74,212,.08)}
[data-theme="light"] table.schools tr:hover td{background:rgba(91,74,212,.04)}

/* 对比按钮脉冲动画（选了2所时提示） */
.btn-primary.pulse{animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(108,92,231,.5)}50%{box-shadow:0 0 0 10px rgba(108,92,231,0)}}

/* logo 圆标 */
.sch-logo{width:24px;height:24px;border-radius:50%;display:inline-block;vertical-align:middle;margin-right:6px;background-size:cover;background-position:center;background-color:var(--bg-hover);flex-shrink:0}

/* mobile */
@media(max-width:640px){
  .hero{padding:28px 0 20px}
  .hero h1{font-size:1.4rem}
  .hero p{font-size:.85rem}
  .topnav{gap:14px}
  .topnav a{font-size:.82rem}
  .brand{font-size:1rem}
  .province-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px}
  .pv-card{padding:10px 6px}
  .pv-name{font-size:.85rem}
  .cmp-cell{padding:10px;font-size:.8rem;min-width:140px}
  .cmp-cell:first-child{min-width:90px;padding:10px 8px;font-size:.72rem}
  .guide{grid-template-columns:1fr;gap:8px}
  .guide-step{padding:12px 14px}
  .combo-grid{grid-template-columns:1fr}
}