:root{
  --bg:#0b1220;
  --text:#e7eefc;
  --muted:#a9b7d0;
  --line:rgba(255,255,255,.08);
  --primary:#6ea8ff;
  --primary2:#8b5cf6;
  --danger:#ff6b6b;
  --radius:16px;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
}

/* 只针对问卷页面应用深色主题 */
body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

.questionnaire-section {
  background: 
      radial-gradient(900px 500px at 20% 0%, rgba(139,92,246,.35), transparent 55%),
      radial-gradient(900px 500px at 80% 10%, rgba(110,168,255,.30), transparent 55%),
      linear-gradient(180deg, var(--bg), #070b14 70%) !important;
  color: var(--text);
  min-height: 100vh;
  padding: 48px 16px !important;
}

.questionnaire-header h1 {
  color: var(--text) !important;
}

.questionnaire-header p {
  color: var(--muted) !important;
}

/* 问卷表单容器 */
.questionnaire-form {
  max-width: 980px;
  margin: 0 auto;
}

/* 问题卡片样式 - 适配现有的 form-question */
.form-question {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow) !important;
  padding: 18px !important;
  margin-bottom: 16px !important;
  transition: transform .06s ease, border-color .15s ease;
}

.form-question:hover {
  border-color: rgba(110,168,255,.35) !important;
  transform: translateY(-1px);
}

/* 问题标签 */
.question-label {
  color: var(--text) !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  margin-bottom: 12px !important;
  display: block;
}

.question-label .required {
  color: var(--danger) !important;
}

/* 问题描述 */
.question-description {
  color: var(--muted) !important;
  font-size: 13px !important;
  margin-bottom: 12px !important;
}

/* 输入框样式 */
.form-input,
.form-select,
.form-textarea {
  width: 100% !important;
  padding: 12px !important;
  border-radius: 12px !important;
  border: 1px solid var(--line) !important;
  background: rgba(255,255,255,.04) !important;
  color: var(--text) !important;
  outline: none !important;
  font-family: inherit !important;
  font-size: 14px !important;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: rgba(110,168,255,.55) !important;
  box-shadow: 0 0 0 4px rgba(110,168,255,.14) !important;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--muted) !important;
  opacity: 0.6;
}

/* 级联选择标签 */
.level-label {
  display: block;
  margin: 10px 0 6px !important;
  color: var(--muted) !important;
  font-size: 12px !important;
}

/* 选择卡片样式 - 适配现有的 choice-card */
.choice-card {
  position: relative;
  padding: 12px 16px !important;
  background: rgba(255,255,255,.03) !important;
  border: 1px solid var(--line) !important;
  border-radius: 12px !important;
  cursor: pointer;
  transition: transform .06s ease, border-color .15s ease, background .15s ease;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.choice-card:hover {
  transform: translateY(-1px);
  border-color: rgba(110,168,255,.35) !important;
  background: rgba(110,168,255,.08) !important;
}

.choice-card.selected {
  border-color: rgba(110,168,255,.55) !important;
  background: rgba(110,168,255,.12) !important;
}

.choice-card input[type="checkbox"],
.choice-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.choice-card .checkmark {
  width: 22px;
  height: 22px;
  border: 2px solid var(--line);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
  background: rgba(255,255,255,.04);
}

.choice-card input[type="radio"] + .checkmark {
  border-radius: 50%;
}

.choice-card input[type="checkbox"]:checked + .checkmark,
.choice-card input[type="radio"]:checked + .checkmark {
  background: linear-gradient(90deg, var(--primary), var(--primary2));
  border-color: transparent;
}

.choice-card input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.choice-card input[type="radio"]:checked + .checkmark::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: white;
}

.choice-card .choice-text {
  flex: 1;
  font-size: 13px !important;
  color: var(--text) !important;
  line-height: 1.5;
}

.choice-card input[type="checkbox"]:checked ~ .choice-text,
.choice-card input[type="radio"]:checked ~ .choice-text {
  color: var(--text);
  font-weight: 500;
}

/* 级联多选样式 */
.cascaded-multi-item {
  padding: 14px !important;
  border-radius: 14px !important;
  border: 1px solid var(--line) !important;
  background: rgba(0,0,0,.16) !important;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.cascaded-multi-item:hover {
  border-color: rgba(110,168,255,.35) !important;
  background: rgba(0,0,0,.24) !important;
}

.cascaded-multi-item.selected {
  border-color: rgba(110,168,255,.75) !important;
  background: rgba(110,168,255,.12) !important;
  border-width: 2px !important;
  box-shadow: 0 0 0 2px rgba(110,168,255,.2) !important;
}

.level1-label {
  color: #111827 !important;
  font-size: 13px !important;
  font-weight: 500;
  user-select: none;
}

.level1-wrapper {
  cursor: pointer;
}

.level2-container {
  margin-left: 2rem;
  margin-top: 1rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--line);
}

.level2-label {
  color: #111827 !important;
  font-size: 12px !important;
  background: rgba(255,255,255,.03) !important;
  border: 1px solid var(--line) !important;
  padding: 10px 12px !important;
  border-radius: 8px !important;
  user-select: none;
  transition: all 0.3s ease;
}

.level2-label:hover {
  border-color: rgba(110,168,255,.35) !important;
  background: rgba(110,168,255,.08) !important;
}

.level2-checkbox:checked + .level2-label,
.level2-item.selected .level2-label {
  border-color: rgba(110,168,255,.75) !important;
  background: rgba(110,168,255,.12) !important;
  border-width: 2px !important;
  box-shadow: 0 0 0 2px rgba(110,168,255,.2) !important;
}

.level2-item {
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 2px; /* 为边框留出空间 */
}

.level2-item.selected {
  border: 2px solid rgba(110,168,255,.75) !important;
  border-radius: 8px !important;
  box-shadow: 0 0 0 2px rgba(110,168,255,.2) !important;
}

/* 确保选中状态不会被覆盖 */
.cascaded-multi-item.selected,
.level2-item.selected {
  border-color: rgba(110,168,255,.75) !important;
  border-width: 2px !important;
  box-shadow: 0 0 0 2px rgba(110,168,255,.2) !important;
}

/* 多选和单选容器 */
.multi-choice,
.single-choice {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

/* 复选框标签 */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text) !important;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--primary);
}

/* 提交按钮 */
.form-submit .btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--primary2)) !important;
  border: none !important;
  border-radius: 12px !important;
  padding: 14px 32px !important;
  color: var(--text) !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}

.form-submit .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(110,168,255,.3);
}

/* 模态框样式 */
.modal {
  background: rgba(0,0,0,.7) !important;
}

.modal-content {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04)) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  color: var(--text) !important;
  box-shadow: var(--shadow) !important;
}

.modal-content h2 {
  color: var(--text) !important;
}

/* 响应式 */
@media (max-width: 900px) {
  .questionnaire-section {
      padding: 32px 16px !important;
  }
  
  .form-question {
      padding: 16px !important;
  }
  
  .multi-choice,
  .single-choice {
      grid-template-columns: 1fr;
  }
}

button {
  font-family: inherit;
}

/* =========================
 DELPHI Form - Polished Layout
 ========================= */

/* 页面最大宽度 + 居中 */
body{
background: #f6f7fb !important;
color:#111827;
margin: 0;
padding: 0;
}

/* 顶部导航（如果你已有 nav/header 就会更好看） */
header, nav{
position: sticky;
top:0;
z-index:10;
backdrop-filter: blur(10px);
background: rgba(246,247,251,.85);
border-bottom: 1px solid rgba(17,24,39,.08);
}

/* 主要内容容器 */
.form-page{
max-width: 980px;
width: 100%;
margin: 28px auto 60px;
padding: 0 24px;
box-sizing: border-box;
}

/* 标题区（Hero） */
.form-hero{
margin: 12px 0 18px;
padding: 22px 22px;
border-radius: 16px;
background: linear-gradient(135deg, rgba(110,168,255,.16), rgba(139,92,246,.14));
border: 1px solid rgba(17,24,39,.08);
}

.form-hero h1{
margin:0 0 10px;
font-size: 28px;
letter-spacing: .2px;
color: #111827;
}

.form-hero p{
margin:0;
color: rgba(17,24,39,.72);
line-height: 1.7;
font-size: 14px;
}

/* 主卡片 */
.form-card{
background:#fff;
border: 1px solid rgba(17,24,39,.08);
border-radius: 18px;
box-shadow: 0 20px 60px rgba(17,24,39,.08);
overflow: hidden;
}

/* 卡片头：可以放进度/提示 */
.form-cardHeader{
padding: 16px 18px;
border-bottom: 1px solid rgba(17,24,39,.08);
display:flex;
align-items:center;
justify-content:space-between;
gap: 12px;
flex-wrap: wrap;
}

.form-chip{
display:inline-flex;
align-items:center;
gap:8px;
padding: 8px 12px;
border-radius: 999px;
background: rgba(17,24,39,.04);
border: 1px solid rgba(17,24,39,.08);
color: rgba(17,24,39,.72);
font-size: 12px;
}

/* 卡片内容 */
.form-cardBody{
padding: 18px;
}

/* 每道题：独立块 + 留白 */
.form-question{
padding: 16px 14px !important;
border: 1px solid rgba(17,24,39,.08) !important;
border-radius: 14px !important;
background: #fff !important;
margin-bottom: 14px !important;
transition: all 0.2s ease;
}

.form-question:hover{
border-color: rgba(110,168,255,.45) !important;
box-shadow: 0 10px 30px rgba(110,168,255,.12) !important;
}

/* 题目标题 + 必填 */
.form-questionTitle{
display:flex;
align-items:flex-start;
justify-content:space-between;
gap: 12px;
margin-bottom: 10px;
}

.form-questionTitle .left{
display:flex;
flex-direction:column;
gap:6px;
flex: 1;
}

.form-questionTitle .q{
font-size: 14px;
font-weight: 700;
line-height: 1.6;
color: #111827;
}

/* 确保 Q4, Q6, Q8 的问题标题样式与其他问题一致 - 强制黑色 */
.form-question[data-question="q4"] .form-questionTitle .q,
.form-question[data-question="q6"] .form-questionTitle .q,
.form-question[data-question="q8"] .form-questionTitle .q {
font-size: 14px !important;
font-weight: 700 !important;
line-height: 1.6 !important;
color: #111827 !important;
}

/* 更具体的选择器，确保覆盖所有可能的样式 */
div[data-question="q4"] .form-questionTitle .left .q,
div[data-question="q6"] .form-questionTitle .left .q,
div[data-question="q8"] .form-questionTitle .left .q {
color: #111827 !important;
font-size: 14px !important;
font-weight: 700 !important;
line-height: 1.6 !important;
}

.form-questionTitle .desc{
font-size: 12px;
color: rgba(17,24,39,.68);
line-height: 1.6;
}

.form-required{
font-size: 12px;
color: rgba(239,68,68,.95);
background: rgba(239,68,68,.08);
border: 1px solid rgba(239,68,68,.18);
padding: 6px 10px;
border-radius: 999px;
white-space: nowrap;
flex-shrink: 0;
}

/* 输入控件统一变好看 */
input[type="text"], input[type="tel"], input[type="email"], input[type="number"], textarea, select{
width: 100%;
min-height: 46px;
padding: 10px 12px;
border-radius: 12px;
border: 1px solid rgba(17,24,39,.12);
background: #fff;
outline: none;
font-size: 14px;
color: #111827;
font-family: inherit;
}

textarea{min-height: 110px; resize: vertical;}

input:focus, select:focus, textarea:focus{
border-color: rgba(110,168,255,.75);
box-shadow: 0 0 0 4px rgba(110,168,255,.18);
}

input::placeholder, textarea::placeholder {
color: rgba(17,24,39,.5);
}

/* 选项：更像 Typeform/Notion */
.option-list{
display: grid;
gap: 10px;
margin-top: 8px;
}

.option{
display:flex;
align-items:flex-start;
gap: 10px;
padding: 10px 12px;
border-radius: 12px;
border: 1px solid rgba(17,24,39,.10);
background: rgba(17,24,39,.02);
cursor: pointer;
transition: all 0.2s ease;
}

.option:hover{
background: rgba(110,168,255,.08);
border-color: rgba(110,168,255,.35);
}

.option input{
margin-top: 2px;
width: auto;
min-height: auto;
flex-shrink: 0;
}

.option label {
cursor: pointer;
flex: 1;
color: #111827;
font-size: 14px;
}

/* 级联选择样式适配 */
.cascaded-choice {
margin-top: 8px;
}

.level-label {
color: rgba(17,24,39,.68) !important;
font-size: 12px !important;
margin-bottom: 6px !important;
}

/* 底部按钮区 */
.form-actions{
display:flex;
justify-content:flex-end;
gap: 10px;
padding-top: 10px;
}

.btn{
border: 1px solid rgba(17,24,39,.12);
background: #fff;
color:#111827;
border-radius: 12px;
padding: 11px 14px;
font-weight: 700;
cursor:pointer;
font-size: 14px;
transition: all 0.2s ease;
}

.btnPrimary{
border-color: transparent;
color:#fff;
background: linear-gradient(90deg, #6ea8ff, #8b5cf6);
}

.btnPrimary:hover{filter: brightness(.98); transform: translateY(-1px);}

.form-submit {
margin-top: 24px;
text-align: center;
}

.form-submit .btn-primary {
background: linear-gradient(90deg, #6ea8ff, #8b5cf6) !important;
border: none !important;
color: #fff !important;
padding: 14px 32px !important;
font-size: 15px !important;
font-weight: 600 !important;
}

/* 兼容原有的选择卡片 */
.choice-card {
background: rgba(17,24,39,.02) !important;
border: 1px solid rgba(17,24,39,.10) !important;
}

.choice-card:hover {
background: rgba(110,168,255,.08) !important;
border-color: rgba(110,168,255,.35) !important;
}

.choice-card.selected {
background: rgba(110,168,255,.12) !important;
border-color: rgba(110,168,255,.55) !important;
}

.choice-card .choice-text {
color: #111827 !important;
font-size: 13px !important;
}

/* 级联多选样式 */
.cascaded-multi-item {
background: rgba(17,24,39,.02) !important;
border: 1px solid rgba(17,24,39,.10) !important;
}

.cascaded-multi-item:hover {
background: rgba(110,168,255,.08) !important;
border-color: rgba(110,168,255,.35) !important;
}

.cascaded-multi-item.selected {
background: rgba(110,168,255,.12) !important;
border-color: rgba(110,168,255,.55) !important;
}

/* 移动端优化 */
@media (max-width: 640px){
.form-hero h1{font-size: 22px;}
.form-cardBody{padding: 14px;}
.form-question{padding: 14px 12px !important;}
.form-page {
  max-width: 100%;
  width: calc(100% - 32px);
  margin: 20px auto 40px;
  padding: 0 16px;
  box-sizing: border-box;
}
.form-questionTitle {
  flex-direction: column;
  align-items: flex-start;
}
.form-required {
  margin-top: 4px;
}
}

/* ===========================
 DESKTOP TUNING (PC only)
 目标：电脑端也像手机端一样紧凑、统一、好看
 =========================== */

@media (min-width: 900px){

/* 1) 页面背景：轻微灰底 + 内容居中 */
html, body{
  background: #f6f7f9;
  margin: 0;
  padding: 0;
}

/* 2) 收紧内容宽度：解决"太宽不协调"的核心 */
/* 这些选择器是兜底写法，你有明确容器类名的话可以精简 */
/* 排除 .page 和导航栏的 .container，让它们使用自己的宽度 */
main, .content, .wrap, .wrapper{
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 确保 .page 正确居中 */
.page {
  width: 100%;
  margin: 0 auto;
  padding: 0;
}

/* 确保导航栏容器不受影响 */
.navbar .container {
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
}

/* 3) 如果你的表单/内容是直接贴在页面上，给它一个"卡片感" */
/* 若你有明确表单外层（比如 .form-card / .card / .panel / .assessment）可替换 */
.form-card, .card, .panel, .form-container, .assessment, .questionnaire{
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
  padding: 28px 28px;
}

/* 兜底：如果你没有上面的容器类，至少给 section / article 做卡片化 */
section, article{
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
  padding: 28px 28px;
  margin-top: 18px;
}

/* 4) 标题与说明文字：更"出版物"一点 */
h1{
  font-size: 30px;
  line-height: 1.25;
  margin: 6px 0 14px;
  letter-spacing: .2px;
}
p, .intro, .desc{
  font-size: 16px;
  line-height: 1.85;
  color: rgba(0,0,0,.75);
}

/* 5) 表单整体节奏：模块间距统一 */
.form-item, .question, .q-item, .field{
  margin: 18px 0;
}
label, .q-title{
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: .2px;
}
.hint, .helper, small{
  display: block;
  margin-top: 6px;
  color: rgba(0,0,0,.55);
  line-height: 1.6;
}

/* 6) 输入框：保持手机端手感，电脑端也会显得统一高级 */
input, select, textarea{
  width: 100%;
  font-size: 16px;              /* iOS 必须 >=16，电脑端也保持一致更协调 */
  line-height: 1.2;
  padding: 12px 12px;
  border: 1px solid #ddd;
  border-radius: 12px;
  background: #fff;
  outline: none;
}
input:focus, select:focus, textarea:focus{
  border-color: rgba(0,0,0,.35);
}

/* 7) checkbox/radio 区域：电脑端两列，避免"空一大片" */
.checkbox-group, .options, .choice-group{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
  margin-top: 12px;
}

/* 8) 顶部导航：电脑端不要太高、也别压内容 */
header{
  background: #fff;
}

/* 可选：让内容离导航有一点距离 */
main{
  padding-top: 24px;
  padding-bottom: 40px;
}
}

/* 9) 超大屏再收一点（可选） */
@media (min-width: 1200px){
main, .content, .wrap, .wrapper{
  max-width: 820px;
}

/* 确保 .form-page 在超大屏也正确居中 */
/* 确保导航栏容器不受影响 */
.navbar .container {
  max-width: 1200px !important;
}
}

/* 强制 Q4, Q6, Q8 问题标题为黑色 - 最高优先级 */
.form-question[data-question="q4"] .form-questionTitle .left .q,
.form-question[data-question="q6"] .form-questionTitle .left .q,
.form-question[data-question="q8"] .form-questionTitle .left .q,
div.form-question[data-question="q4"] div.form-questionTitle div.left div.q,
div.form-question[data-question="q6"] div.form-questionTitle div.left div.q,
div.form-question[data-question="q8"] div.form-questionTitle div.left div.q {
color: #111827 !important;
font-size: 14px !important;
font-weight: 700 !important;
line-height: 1.6 !important;
}

/* 强制 Q4, Q6, Q8 的选项文字为黑色 - 最高优先级 */
.form-question[data-question="q4"] .level1-label,
.form-question[data-question="q4"] .level2-label,
.form-question[data-question="q6"] .level1-label,
.form-question[data-question="q6"] .level2-label,
.form-question[data-question="q8"] .level1-label,
.form-question[data-question="q8"] .level2-label,
#q4_container .level1-label,
#q4_container .level2-label,
#q6_container .level1-label,
#q6_container .level2-label,
#q8_container .level1-label,
#q8_container .level2-label,
label.level1-label,
label.level2-label {
color: #111827 !important;
}