/* 默认主题 - 移动端自适应, 每测评可换主题(覆盖本文件的部分变量/配色) */
:root{
  --primary:#5b6cff; --primary-d:#4453e0; --bg:#f5f6fa; --card:#fff;
  --text:#222; --sub:#888; --radius:16px; --maxw:720px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;background:var(--card);box-shadow:0 2px 10px rgba(0,0,0,.05)}
.site-header .logo{font-weight:800;color:var(--primary);font-size:18px;text-decoration:none}
.site-header nav a{margin-left:14px;color:var(--text);text-decoration:none;font-size:14px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:16px}
.site-footer{text-align:center;color:var(--sub);font-size:12px;padding:24px 16px}
.site-footer a{color:var(--sub);text-decoration:none;margin:0 4px}
.card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:14px;
  box-shadow:0 4px 16px rgba(0,0,0,.04)}
.btn{display:inline-block;border:none;border-radius:999px;background:var(--primary);color:#fff;
  padding:12px 22px;font-size:15px;cursor:pointer;text-decoration:none;text-align:center;transition:.15s}
.btn:active{transform:scale(.97)}
.btn.block{display:block;width:100%}
.btn.ghost{background:#eef;color:var(--primary)}
.btn[disabled]{opacity:.5}
.tag{display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;background:#eef;color:var(--primary)}
.tag.free{background:#e8f8ee;color:#1aa55a}
.tag.pay{background:#fff3e0;color:#e08a00}
/* 测评列表 */
.assessment-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.assessment-item{background:var(--card);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 4px 16px rgba(0,0,0,.04);text-decoration:none;color:inherit;display:block}
.assessment-item .cover{width:100%;aspect-ratio:4/3;object-fit:cover;background:#eee}
.assessment-item .body{padding:10px}
.assessment-item .title{font-weight:700;font-size:15px;margin:0 0 4px}
.assessment-item .desc{font-size:12px;color:var(--sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero{border-radius:var(--radius);overflow:hidden;margin-bottom:14px}
.hero img{width:100%;display:block}
.assessment-detail h1{font-size:22px;margin:4px 0}
.assessment-detail .price{font-size:20px;color:var(--primary);font-weight:800}
/* 答题 */
.quiz .q{padding:16px 0;border-bottom:1px solid #f0f0f0}
.quiz .q:last-child{border-bottom:none}
.quiz .qt{font-weight:600;margin-bottom:10px}
.opt{display:block;padding:12px 14px;border:1px solid #e6e6e6;border-radius:12px;margin-bottom:8px;
  cursor:pointer;transition:.15s;background:#fff}
.opt:active{background:#f3f4ff}
.opt.sel{border-color:var(--primary);background:#f3f4ff}
.opt input{margin-right:8px}
/* 结果 */
.result .score{font-size:34px;font-weight:800;color:var(--primary)}
.result .ai-box{background:#f8f9ff;border-left:4px solid var(--primary);padding:14px;border-radius:10px;
  white-space:pre-wrap;font-size:15px}
.lock-mask{text-align:center;padding:30px 10px}
.lock-mask .icon{font-size:40px}
/* 表单 */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--sub);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid #e0e0e0;border-radius:12px;
  font-size:15px;outline:none}
.field input:focus{border-color:var(--primary)}
.row{display:flex;gap:10px;align-items:center}
.muted{color:var(--sub);font-size:13px}
.captcha-img{height:42px;border-radius:8px;cursor:pointer}
@media(min-width:640px){
  .assessment-list{grid-template-columns:repeat(3,1fr)}
}