/* EasyTrail 全局样式 */

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

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-soft: #f9fafb;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html {
  font-size: 16px;
  line-height: 1.6;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.main-content {
  flex: 1;
  padding: 2rem 0;
}

/* 顶部导航 */
.site-header {
  background: white;
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  font-weight: 600;
}

.site-logo:hover {
  text-decoration: none;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-size: 1.25rem;
}

.logo-tagline {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--color-primary);
}

/* Hero 区域 */
.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.search-form {
  display: flex;
  gap: 0.5rem;
  max-width: 600px;
  margin: 0 auto 1rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  outline: none;
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.search-button {
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
  font-weight: 500;
}

/* 寻字 logo 样式 (Mavis 8/27 23:12 改: 跟首页一致 border-radius 8px) */
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #2563eb;
  color: #fff;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  margin-right: 0.5rem;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
  letter-spacing: 0.5px;
}
.logo-tagline {
  font-size: 0.8rem;
  color: #6b7280;
  margin-left: 0.5rem;
}

/* 首页搜索 tab (国内/全球) + 单搜索按钮 (方案 B) */
.search-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.search-form .search-input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  outline: none;
  font-family: inherit;
  box-sizing: border-box;
}
.search-form .search-input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.search-form .scope-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  background: #f3f4f6;
}
.search-form .scope-btn {
  padding: 0.7rem 0.5rem;
  border: none;
  background: transparent;
  font-size: 0.95rem;
  font-weight: 500;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.search-form .scope-btn:hover {
  color: #1f2937;
}
.search-form .scope-btn.active {
  background: #2563eb;
  color: #fff;
}
.search-form .search-button-primary {
  width: auto;
  min-width: 140px;
  max-width: 200px;
  margin: 0 auto;
  padding: 0.7rem 1.5rem;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
  display: block;
}
.search-form .search-button-primary:hover {
  background: #1d4ed8;
}

.search-button:hover {
  background: var(--color-primary-dark);
}

.search-suggestions {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.search-suggestions a {
  margin-left: 0.5rem;
}

/* 数据概览 */
.stats-section {
  padding: 2rem 0;
}

.stats-section .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--color-bg-soft);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* 分类区 */
.categories-section {
  padding: 3rem 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.category-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.15s;
  color: var(--color-text);
}

.category-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.category-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.category-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* 使用步骤 */
.how-section {
  padding: 3rem 0;
  background: var(--color-bg-soft);
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.how-step {
  text-align: center;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 auto 1rem;
}

.step-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* 数据来源声明 */
.source-section {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.source-section p {
  margin: 0.25rem 0;
}

.source-update {
  font-size: 0.85rem;
}

/* 页脚 */
.site-footer {
  background: #1f2937;
  color: #d1d5db;
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: white;
  margin-bottom: 0.75rem;
}

.footer-col a {
  display: block;
  color: #9ca3af;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: white;
}

.footer-col p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0.25rem 0;
}

.footer-warning {
  color: #f59e0b;
}

.footer-thanks {
  color: #94a3b8;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-top: 0.4rem !important;
  opacity: 0.85;
}

/* 响应式 */
@media (max-width: 768px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .search-form {
    flex-direction: column;
  }

  .stats-section .container {
    grid-template-columns: repeat(2, 1fr);
  }
}