/* ===== 全局样式 - 心理测试工具网站 ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Noto+Serif+SC:wght@400;600;700&display=swap');

:root {
  --primary: #6C5CE7;
  --primary-dark: #5A4BD1;
  --primary-light: #A29BFE;
  --secondary: #00CEC9;
  --secondary-dark: #00B5B0;
  --accent: #FD79A8;
  --accent-light: #FDCB6E;
  --bg-main: #F8F7FF;
  --bg-card: #FFFFFF;
  --bg-dark: #2D3436;
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --text-light: #B2BEC3;
  --border: #DFE6E9;
  --shadow-sm: 0 2px 8px rgba(108,92,231,0.08);
  --shadow-md: 0 4px 20px rgba(108,92,231,0.12);
  --shadow-lg: 0 8px 40px rgba(108,92,231,0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 干扰标签隐藏 */
.jammer-block {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
  user-select: none;
}

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 导航 ===== */
.site-nav {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 0;
  position: relative;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.nav-logo .logo-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 6px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  padding: 8px;
}

/* ===== 英雄区 ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #8B5CF6 50%, var(--secondary) 100%);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(253,121,168,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}

.hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.3;
  text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.hero p {
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 36px;
  opacity: 0.92;
  line-height: 1.9;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(253,121,168,0.3);
}

.btn-accent:hover {
  background: #e8689a;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0,206,201,0.3);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
}

/* ===== 区块通用 ===== */
.section {
  padding: 70px 0;
}

.section-alt {
  background: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 20px auto 0;
}

/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 24px;
}

.card-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.card-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.card-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-light);
}

.card-stars {
  color: var(--accent-light);
  font-size: 1rem;
}

/* ===== 对比表格 ===== */
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  background: #fff;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.compare-table thead {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.compare-table th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}

.compare-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.compare-table tbody tr:hover {
  background: rgba(108,92,231,0.04);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-high { background: #D4EFDF; color: #1E8449; }
.badge-mid { background: #FEF9E7; color: #B7950B; }
.badge-low { background: #FADBD8; color: #C0392B; }

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  font-family: inherit;
}

.faq-question:hover { color: var(--primary); }

.faq-question .faq-icon {
  font-size: 1.3rem;
  transition: transform 0.3s;
  color: var(--primary);
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer { max-height: 500px; }

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ===== 评价 ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
}

.review-card::before {
  content: '\201C';
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-light);
  opacity: 0.3;
  font-family: serif;
  line-height: 1;
}

.review-stars { color: var(--accent-light); margin-bottom: 12px; font-size: 1.1rem; }

.review-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.8;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.review-info strong { display: block; font-size: 0.95rem; }
.review-info span { font-size: 0.82rem; color: var(--text-light); }

/* ===== 知识百科 ===== */
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.knowledge-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.knowledge-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.knowledge-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 18px;
}

.knowledge-icon.purple { background: rgba(108,92,231,0.1); color: var(--primary); }
.knowledge-icon.teal { background: rgba(0,206,201,0.1); color: var(--secondary); }
.knowledge-icon.pink { background: rgba(253,121,168,0.1); color: var(--accent); }
.knowledge-icon.yellow { background: rgba(253,203,110,0.1); color: #E17055; }

.knowledge-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.knowledge-card p { color: var(--text-secondary); font-size: 0.92rem; }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.9rem;
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb-list li + li::before {
  content: '›';
  margin-right: 8px;
  color: var(--text-light);
}

.breadcrumb-list a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb-list a:hover { text-decoration: underline; }

.breadcrumb-list .current { color: var(--text-secondary); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: block;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul a:hover { color: var(--secondary); }

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
}

.footer-bottom a:hover { color: var(--secondary); }

/* ===== 内页通用 ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, #8B5CF6 100%);
  padding: 50px 0 60px;
  color: #fff;
  text-align: center;
}

.page-hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 1.05rem;
  opacity: 0.88;
  max-width: 600px;
  margin: 0 auto;
}

.page-content {
  padding: 50px 0;
}

.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.content-wrapper h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.6rem;
  margin: 40px 0 16px;
  color: var(--text-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
}

.content-wrapper h3 {
  font-size: 1.25rem;
  margin: 28px 0 12px;
  color: var(--primary-dark);
}

.content-wrapper p {
  margin-bottom: 18px;
  color: var(--text-secondary);
  line-height: 2;
}

.content-wrapper ul, .content-wrapper ol {
  margin: 14px 0 20px 24px;
  color: var(--text-secondary);
}

.content-wrapper li { margin-bottom: 8px; line-height: 1.8; }

/* ===== 步骤 ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  margin: 30px 0;
}

.step {
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto 14px;
}

.step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--text-secondary); }

/* ===== 价格卡片 ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.pricing-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border);
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  transform: scale(1.03);
}

.pricing-card.featured::before {
  content: '最受欢迎';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 4px 20px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
}

.pricing-card h3 { font-size: 1.3rem; margin-bottom: 8px; }

.pricing-price {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--primary);
  margin: 16px 0;
}

.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--text-light); }

.pricing-features {
  list-style: none;
  margin: 20px 0;
  text-align: left;
}

.pricing-features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '✓';
  color: var(--secondary);
  font-weight: 700;
  margin-right: 10px;
}

/* ===== 动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; }

  .hero { padding: 50px 0 70px; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }

  .section { padding: 50px 0; }
  .section-header h2 { font-size: 1.6rem; }

  .card-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; }

  .page-hero h1 { font-size: 1.7rem; }

  .pricing-card.featured { transform: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; align-items: center; }
  .steps { grid-template-columns: 1fr; }
  .compare-table { font-size: 0.85rem; }
  .compare-table th, .compare-table td { padding: 10px 12px; }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== 辅助类 ===== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

/* 下载页 */
.download-section {
  text-align: center;
  padding: 60px 20px;
}

.download-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}

.download-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  min-width: 260px;
  transition: var(--transition);
}

.download-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.download-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.download-card h3 { margin-bottom: 10px; }
.download-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; }