:root{
  --bg:#f5f7fa;
  --card:#ffffff;
  --ink:#0f172a;
  --ink-soft:#475569;
  --muted:#94a3b8;
  --line:#e2e8f0;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --ok:#16a34a;
  --warn:#d97706;
  --bad:#dc2626;
  --shadow:0 4px 16px rgba(15,23,42,.06);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"Microsoft YaHei","PingFang SC",-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}

/* 顶部导航 */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;background:#fff;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;
}
.brand{display:flex;align-items:center;gap:10px;}
.logo{
  width:36px;height:36px;border-radius:9px;background:var(--primary);
  color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-size:15px;letter-spacing:1px;
}
.brand-text{font-weight:700;font-size:17px;color:var(--ink);}
.nav{display:flex;gap:6px;}
.nav-link{
  padding:8px 14px;border-radius:8px;color:var(--ink-soft);font-size:14px;
  font-weight:600;transition:.15s;
}
.nav-link:hover,.nav-link.active{background:#eef2ff;color:var(--primary);}

/* 容器与页面 */
.container{max-width:980px;margin:0 auto;padding:28px 20px 60px;}
.page{display:none;animation:fade .2s ease;}
.page.active{display:block;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

/* 首页 Hero */
.hero{
  background:linear-gradient(135deg,#1e3a8a,#2563eb);
  color:#fff;border-radius:18px;padding:46px 40px;box-shadow:var(--shadow);
}
.hero h1{margin:0 0 14px;font-size:30px;line-height:1.35;font-weight:800;letter-spacing:.5px;}
.subtitle{margin:0;max-width:680px;color:#dbeafe;font-size:15px;}
.hero-actions{margin:26px 0 30px;display:flex;gap:12px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;}
.stat{text-align:center;}
.stat-num{font-size:28px;font-weight:800;color:#fff;}
.stat-label{font-size:13px;color:#bfdbfe;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 22px;border-radius:10px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:.15s;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#bfdbfe;}
.btn-ghost:hover{background:#eff6ff;}
.hero .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);}
.hero .btn-ghost:hover{background:rgba(255,255,255,.22);}

/* 功能卡片 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px;}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);}
.feature-icon{font-size:26px;margin-bottom:8px;}
.feature-card h3{margin:0 0 6px;font-size:16px;color:var(--ink);}
.feature-card p{margin:0;font-size:13px;color:var(--ink-soft);}

/* 通用卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow);margin-top:8px;}
.card h2{margin:0 0 6px;font-size:22px;color:var(--ink);}
.card-hint{margin:0 0 20px;color:var(--ink-soft);font-size:14px;}

/* 表单 */
.form-card{max-width:560px;}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-weight:600;margin-bottom:7px;font-size:14px;}
.req{color:var(--bad);}
.form-row input,.form-row select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;
  font-size:14px;color:var(--ink);background:#fff;font-family:inherit;
}
.form-row input:focus,.form-row select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.form-actions{display:flex;justify-content:space-between;gap:12px;margin-top:24px;}
.form-divider{margin:24px 0 8px;font-size:13px;font-weight:700;color:var(--primary);border-top:1px dashed var(--line);padding-top:16px;}

/* 说明页 */
.intro-block{margin-bottom:20px;}
.intro-block h3{margin:0 0 8px;font-size:16px;color:var(--ink);}
.intro-block p{margin:0;color:var(--ink-soft);font-size:14px;}
.dim-list{margin:0;padding-left:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.dim-list li{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px;}
.dim-list b{color:var(--primary);}
.intro-block ol{margin:6px 0 0;padding-left:20px;color:var(--ink-soft);font-size:14px;}

/* 答题 */
.quiz-progress{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:16px;position:sticky;top:74px;z-index:5;box-shadow:var(--shadow);}
.progress-bar{height:8px;background:#eef2f7;border-radius:99px;overflow:hidden;}
.progress-fill{height:100%;width:0;background:var(--primary);border-radius:99px;transition:width .25s;}
.progress-text{margin-top:8px;font-size:13px;color:var(--ink-soft);font-weight:600;}
.quiz-block{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin-bottom:16px;box-shadow:var(--shadow);}
.quiz-block h3{margin:0 0 4px;font-size:17px;color:var(--ink);}
.dim-role{font-size:12px;font-weight:600;color:var(--muted);background:#f1f5f9;padding:2px 9px;border-radius:99px;margin-left:6px;}
.quiz-block .dim-desc{margin:0 0 16px;font-size:13px;color:var(--muted);}
.q-item{margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed var(--line);}
.q-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.q-text{font-size:14px;font-weight:600;margin-bottom:10px;}
.scale{display:flex;gap:8px;flex-wrap:wrap;}
.scale label{
  flex:1;min-width:84px;text-align:center;border:1px solid var(--line);border-radius:9px;
  padding:9px 6px;cursor:pointer;font-size:13px;color:var(--ink-soft);transition:.15s;background:#fff;
}
.scale label:hover{border-color:var(--primary);color:var(--primary);}
.scale input{display:none;}
.scale input:checked + span{font-weight:700;}
.scale label:has(input:checked){border-color:var(--primary);background:#eff6ff;color:var(--primary);}
.quiz-actions{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;box-shadow:var(--shadow);}

/* 结果 */
.report-head{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:2px solid var(--line);padding-bottom:14px;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.report-meta{font-size:13px;color:var(--ink-soft);text-align:right;line-height:1.8;}
.result-overview{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-bottom:24px;}
.overall-score{text-align:center;background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:20px 28px;min-width:150px;}
.score-num{font-size:46px;font-weight:800;color:var(--primary);line-height:1;}
.score-label{font-size:13px;color:var(--muted);margin-top:6px;}
.score-level{margin-top:10px;display:inline-block;padding:4px 14px;border-radius:99px;font-size:13px;font-weight:700;background:#dcfce7;color:var(--ok);}
.radar-wrap{text-align:center;flex:1;min-width:320px;}
.legend{margin-top:6px;font-size:13px;color:var(--ink-soft);}
.legend-item{display:inline-flex;align-items:center;margin:0 10px;}
.dot{width:11px;height:11px;border-radius:50%;display:inline-block;margin-right:6px;}
.dot-personal{background:var(--primary);}

.score-table{width:100%;border-collapse:collapse;margin-bottom:24px;font-size:14px;}
.score-table th,.score-table td{padding:11px 12px;text-align:center;border-bottom:1px solid var(--line);}
.score-table th{background:#f8fafc;color:var(--ink-soft);font-weight:700;}
.score-table td:first-child{text-align:left;font-weight:600;}
.tag{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:700;}
.tag-up{background:#dcfce7;color:var(--ok);}
.tag-down{background:#fee2e2;color:var(--bad);}
.tag-flat{background:#f1f5f9;color:var(--ink-soft);}
.lvl{font-weight:700;}

.advice .advice-item{background:#f8fafc;border-left:4px solid var(--primary);border-radius:0 10px 10px 0;padding:14px 16px;margin-bottom:12px;}
.advice-sub{font-size:13px;font-weight:700;color:var(--ink);margin:10px 0 6px;}
.advice-actions{margin:0 0 8px;padding-left:20px;}
.advice-actions li{font-size:13px;color:var(--ink-soft);margin-bottom:4px;line-height:1.65;}
.advice-res{font-size:12.5px;color:var(--primary);background:#eff6ff;border-radius:8px;padding:8px 10px;margin-top:8px;line-height:1.6;}
.advice-item.path{background:#f8fafc;border-left-color:var(--primary);}
.advice-item h4{margin:0 0 6px;font-size:15px;color:var(--ink);}
.advice-item p{margin:0;font-size:14px;color:var(--ink-soft);}
.advice-item.warn{border-left-color:var(--warn);}
.advice-item.bad{border-left-color:var(--bad);}

/* 答题分区 */
.quiz-part{margin-bottom:8px;}
.part-title{font-size:18px;color:var(--ink);margin:24px 0 4px;padding-left:12px;border-left:4px solid var(--primary);}
.part-hint{margin:0 0 16px;font-size:13px;color:var(--muted);}
.factor-role{background:#ecfdf5;color:var(--ok);}

/* 成长环境影响诊断 */
.factor-section{margin-top:30px;border-top:1px dashed var(--line);padding-top:22px;}
.factor-overview{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-bottom:24px;}
.sub-h{font-size:15px;color:var(--ink);margin:18px 0 10px;}
.section-note{font-size:13px;color:var(--muted);margin:0 0 14px;line-height:1.7;}
.integrated{background:linear-gradient(135deg,#eff6ff,#f8fafc);border:1px solid #bfdbfe;border-radius:14px;padding:18px 20px;margin-top:8px;}
.integrated h4{margin:0 0 14px;font-size:16px;color:var(--primary);}
.diag-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
.diag-cell{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;text-align:center;}
.diag-k{font-size:13px;color:var(--muted);margin-bottom:6px;}
.diag-v{font-size:18px;font-weight:800;}
.diag-desc{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.8;}

/* 自由补充 */
.free-text-section{margin-top:30px;border-top:1px dashed var(--line);padding-top:22px;}
.free-text{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:14px;color:var(--ink);background:#fff;font-family:inherit;resize:vertical;}
.free-text:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.free-line{font-size:14px;color:var(--ink-soft);margin-bottom:10px;line-height:1.7;}
.free-line b{color:var(--ink);}
.radar-wrap canvas{max-width:100%;height:auto;}

.report-actions{margin-top:26px;display:flex;gap:12px;justify-content:flex-end;}

/* 指南 */
.guide-steps{display:grid;gap:12px;margin-bottom:24px;}
.guide-step{display:flex;gap:14px;align-items:flex-start;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:14px 16px;}
.step-no{flex:none;width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px;}
.guide-step div{font-size:14px;color:var(--ink-soft);}
.guide-step b{color:var(--ink);}
.role-table{width:100%;border-collapse:collapse;font-size:14px;}
.role-table th,.role-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);}
.role-table th{background:#f8fafc;color:var(--ink-soft);font-weight:700;}

/* 首页系统说明 */
.sys-info{margin-top:22px;}
.sys-intro{font-size:14.5px;color:var(--ink-soft);margin:0 0 18px;line-height:1.85;}
.sys-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.sys-item{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:14px 16px;}
.sys-key{font-weight:700;color:var(--primary);font-size:13px;margin-bottom:6px;}
.sys-val{font-size:13.5px;color:var(--ink-soft);line-height:1.75;}

/* 操作指南扩展标记与注记 */
.ext-tag{display:inline-block;margin-top:5px;font-size:11px;font-weight:700;color:var(--warn);background:#fef3c7;padding:1px 9px;border-radius:99px;}
.guide-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.75;}

.footer{text-align:center;color:var(--muted);font-size:13px;padding:24px;}

/* 打印 */
@media print{
  .topbar,.footer,.nav,.no-print,.hero-actions,.quiz-progress,.form-actions{display:none !important;}
  body{background:#fff;}
  .page{display:none !important;}
  #page-result{display:block !important;}
  .card{box-shadow:none;border:none;padding:0;}
  .container{max-width:100%;padding:0;}
}
@media (max-width:720px){
  .feature-grid{grid-template-columns:1fr 1fr;}
  .dim-list{grid-template-columns:1fr;}
  .sys-grid{grid-template-columns:1fr;}
  .diag-grid{grid-template-columns:1fr;}
  .hero{padding:32px 22px;}
  .hero h1{font-size:24px;}
}

/* 正式界面与移动端适配 */
[hidden]{display:none!important;}
button,input,select,textarea{font-family:inherit;}
button,a{touch-action:manipulation;}
button:disabled{opacity:.55;cursor:not-allowed;}
button:focus-visible,a:focus-visible{outline:3px solid #93b4fc;outline-offset:3px;}
.topbar{gap:20px;padding:16px 32px;}
.brand{min-width:0;max-width:760px;}
.brand-text{font-size:16px;line-height:1.6;}
.logo{flex:none;}
.nav{flex:none;}
.nav-link{border:0;background:transparent;font-family:inherit;cursor:pointer;white-space:nowrap;}
.hero{background:linear-gradient(115deg,#142d56,#1d4fa3);padding:50px 42px;}
.hero-eyebrow{font-size:12px;letter-spacing:3px;color:#b2c9eb;margin-bottom:20px;}
.hero h1{font-size:30px;line-height:1.65;letter-spacing:1px;}
.hero-steps{display:flex;gap:28px;flex-wrap:wrap;font-size:13px;color:#c3d4ed;margin:22px 0 30px;}
.hero-actions{margin:0;}
.btn-light{background:#fff;color:#194984;gap:22px;min-width:160px;}
.btn-light:hover{background:#edf4ff;}
.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.feature-card{padding:24px;box-shadow:none;}
.feature-no{display:block;font-size:12px;color:#7f99be;letter-spacing:2px;margin-bottom:14px;}
.feature-card p{font-size:12px;}
.form-card{max-width:780px;margin:0 auto;}
.section-kicker{font-size:11px;letter-spacing:2px;color:#7b8ea9;margin-bottom:8px;}
.form-card h2{margin-bottom:28px;}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;}
.full-row{grid-column:1/-1;}
.field-note{display:block;color:#7d8ba0;font-size:11px;margin-top:6px;}
.dim-list span{color:var(--muted);font-size:12px;}
.form-error{color:var(--bad);background:#fff1f1;border:1px solid #fecaca;border-radius:8px;padding:12px 16px;font-size:13px;}
.q-item{border:0;border-bottom:1px dashed var(--line);margin:0 0 20px;padding:0 0 20px;min-inline-size:0;scroll-margin-top:160px;}
.q-text{padding:0;line-height:1.8;}
.scale{padding-top:6px;}
.scale label{position:relative;display:flex;align-items:center;justify-content:center;}
.scale input{display:block;position:absolute;opacity:0;width:1px;height:1px;}
.scale label:has(input:focus-visible){outline:3px solid #93b4fc;outline-offset:2px;}
.q-item.unanswered{border-left:3px solid #e5a856;padding-left:12px;}
.free-label{display:block;margin-top:20px;}
.radar-wrap{min-width:0;flex:1 1 280px;max-width:100%;}
.overall-score{flex:none;}
.table-scroll{width:100%;overflow-x:auto;}
.score-table{min-width:360px;}
.free-line span{white-space:pre-wrap;overflow-wrap:anywhere;}
.report-meta{max-width:100%;overflow-wrap:anywhere;}
.advice-actions{margin-top:12px;}
.free-text{display:block;}
@media(max-width:760px){
  .topbar{position:static;flex-wrap:wrap;padding:14px 18px;gap:10px;}
  .brand{width:100%;gap:10px;}
  .brand-text{font-size:13px;line-height:1.65;}
  .logo{width:32px;height:32px;font-size:12px;}
  .nav{margin-left:auto;gap:4px;}
  .nav-link{font-size:12px;padding:6px 10px;}
  .container{padding:20px 14px 40px;}
  .hero{padding:28px 23px;border-radius:12px;}
  .hero h1{font-size:23px;line-height:1.7;letter-spacing:0;}
  .hero h1 br{display:none;}
  .hero-eyebrow{margin-bottom:14px;font-size:11px;}
  .hero-steps{gap:12px;font-size:11px;margin:20px 0 24px;}
  .feature-grid{grid-template-columns:1fr;gap:12px;margin-top:16px;}
  .feature-card{padding:18px 20px;}
  .feature-no{margin-bottom:8px;}
  .feature-card h3{font-size:15px;}
  .card{padding:22px 18px;border-radius:12px;}
  .card h2{font-size:21px;}
  .form-grid{grid-template-columns:1fr;}
  .form-row input,.form-row select,.free-text{font-size:16px;}
  .quiz-progress{top:0;border-radius:0 0 10px 10px;padding:12px 14px;}
  .quiz-block{padding:20px 16px;}
  .quiz-block h3{font-size:16px;margin-bottom:18px;}
  .scale{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;}
  .scale label{min-width:0;padding:10px 5px;font-size:12px;}
  .scale label:last-child{grid-column:1/-1;}
  .q-text{font-size:13px;}
  .quiz-actions{padding:14px;}
  .btn{padding:10px 16px;font-size:14px;}
  .result-overview,.factor-overview{gap:18px;}
  .overall-score{width:100%;padding:20px;}
  .report-meta{text-align:left;font-size:12px;}
  .report-head{gap:14px;}
  .radar-wrap{flex-basis:100%;}
  .score-table{font-size:12px;}
  .score-table th,.score-table td{padding:10px 8px;}
  .advice .advice-item{padding:13px;}
  .advice-item h4{font-size:14px;}
  .advice-item p{font-size:13px;}
  .report-actions{flex-wrap:wrap;justify-content:stretch;}
  .report-actions .btn{flex:1;}
  .footer{font-size:11px;padding:18px 24px;}
}
@media print{
  .hero,.feature-grid{display:none!important;}
  .table-scroll{overflow:visible;}
  .report-head,.overall-score,.quiz-block,.advice-item,.free-line,tr{break-inside:avoid;}
  .factor-section,.free-text-section{margin-top:20px;}
  .score-table{min-width:0;}
  .page{animation:none!important;}
  canvas{max-width:100%;}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important;}}