/* 填问卷 · 站点样式（纯中文站点，响应式，无外部依赖） */
:root{
  --brand:#0ea5a4;         /* 主色 青绿 */
  --brand-2:#2563eb;       /* 辅助 蓝 */
  --accent:#f59e0b;        /* 点缀 琥珀 */
  --ink:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#f6f8fb;
  --card:#ffffff;
  --radius:16px;
  --shadow:0 6px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;line-height:1.7}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{width:min(1080px,94vw);margin:0 auto}
h1,h2,h3{line-height:1.3;color:var(--ink)}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{color:#374151;padding:8px 10px;border-radius:10px;font-size:15px}
.nav a:hover{background:#f1f5f9;text-decoration:none;color:var(--brand)}
.nav .cat-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none}

/* buttons */
.btn{display:inline-block;padding:10px 18px;border-radius:12px;font-weight:600;border:1px solid transparent;cursor:pointer;font-size:15px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0c8f8e;text-decoration:none}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.btn-sm{padding:6px 12px;font-size:14px;border-radius:10px}
.chip{display:inline-block;padding:6px 12px;border-radius:999px;background:#ecfeff;color:#0e7490;font-size:13px;font-weight:600}

/* hero */
.hero{padding:56px 0 32px;text-align:center}
.hero h1{font-size:40px;margin:14px 0 12px}
.hero p{color:var(--muted);max-width:720px;margin:0 auto 22px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* sections & grids */
.section{padding:28px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.section-head h2{font-size:22px;margin:0}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.hero h1{font-size:30px}}

/* card */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card:hover{border-color:#cbd5e1}
.card h3{margin:8px 0;font-size:18px}
.card .meta{color:var(--muted);font-size:13px;display:flex;gap:10px;flex-wrap:wrap}
.card .desc{color:var(--muted);font-size:14px;flex:1;margin:6px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .card-cta{margin-top:auto}

/* breadcrumb */
.breadcrumb{font-size:14px;color:var(--muted);padding:14px 0}
.breadcrumb a{color:var(--muted)}

/* detail */
.detail-head{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.detail-head h1{font-size:28px;margin:8px 0 12px}
.detail-meta{color:var(--muted);font-size:14px;display:flex;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-top:18px}
.article-body img{border-radius:10px;margin:12px 0}
.article-body h2{font-size:20px;margin:22px 0 10px}
.article-body p{margin:12px 0}
.article-body ul{padding-left:22px}

/* quiz */
.quiz-wrap{max-width:720px;margin:0 auto;padding:24px 0}
.quiz-progress{position:sticky;top:64px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);z-index:10}
.quiz-progress .row{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-bottom:8px}
.quiz-bar{height:10px;background:#eef2f7;border-radius:999px;overflow:hidden}
.quiz-bar>i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .25s ease}
.quiz-q{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-top:18px;box-shadow:var(--shadow)}
.quiz-q h2{font-size:22px;margin:0 0 18px}
.quiz-options{display:flex;flex-direction:column;gap:12px}
.opt{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;transition:.15s;background:#fff}
.opt:hover{border-color:var(--brand);background:#f0fdfa}
.opt .idx{width:26px;height:26px;border-radius:50%;background:#f1f5f9;color:#475569;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:none}
.opt.on{border-color:var(--brand);background:#ecfeff}
.opt.on .idx{background:var(--brand);color:#fff}
.quiz-nav{display:flex;justify-content:space-between;margin-top:20px;gap:12px}

/* result */
.result-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);text-align:center}
.result-score{font-size:46px;font-weight:800;color:var(--brand);line-height:1}
.result-sub{color:var(--muted);margin-top:8px}
.result-text{text-align:left;margin-top:22px;background:#f8fafc;border-radius:12px;padding:18px}
.result-items{text-align:left;margin-top:18px}
.result-items li{margin:6px 0;font-size:14px;color:#374151}

/* forms */
.form-narrow{max-width:440px;margin:36px auto}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,165,164,.12)}
.field textarea{min-height:120px;resize:vertical}
.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:11px;padding:10px 14px;font-size:14px;margin-bottom:16px}
.tip{color:var(--muted);font-size:13px}
.form-foot{text-align:center;margin-top:16px;color:var(--muted);font-size:14px}

/* tbl */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.tbl th,.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
.tbl th{background:#f8fafc;font-weight:700}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700}
.badge-ok{background:#dcfce7;color:#166534}
.badge-off{background:#f1f5f9;color:#64748b}
.badge-warn{background:#fef9c3;color:#854d0e}

/* empty & footer */
.empty{text-align:center;color:var(--muted);padding:48px 0}
.site-footer{margin-top:48px;border-top:1px solid var(--line);background:#fff}
.site-footer .inner{padding:26px 0;color:var(--muted);font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.site-footer a{color:var(--muted)}
.pager{display:flex;gap:8px;justify-content:center;padding:22px 0;flex-wrap:wrap}
.pager a,.pager span{padding:7px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:14px;color:var(--ink)}
.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}
.ad-slot{display:none}