/* ========================================
   搭程逸 科技官网 - 主样式表
   风格：深色科技 + 渐变光效 + 响应式
   ======================================== */

/* === CSS 变量 === */
:root {
  /* 主色 */
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-accent: #06b6d4;
  --color-accent-light: #22d3ee;

  /* 中性色 */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-card: #16161f;
  --color-bg-hover: #1e1e2a;
  --color-border: #2a2a3a;
  --color-border-light: #3a3a4a;

  /* 文字色 */
  --color-text: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-text-heading: #fafafa;

  /* 状态色 */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #6366f1, #06b6d4);
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0a0a0f 100%);
  --gradient-card: linear-gradient(180deg, rgba(99,102,241,0.08) 0%, transparent 100%);
  --gradient-glow: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);

  /* 间距 */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 字体 */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(99,102,241,0.3);

  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === 基础重置 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  /* 锚点定位时为固定 Header 预留空间，避免目标标题被遮挡 */
  scroll-padding-top: 84px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

a { color: var(--color-primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent-light); }

img { max-width: 100%; height: auto; }

ul { list-style: none; }

/* === 容器 === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* === 按钮 === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.4rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(99,102,241,0.5); }

.btn-outline {
  background: transparent;
  color: var(--color-primary-light);
  border: 1px solid var(--color-primary);
}
.btn-outline:hover { background: rgba(99,102,241,0.1); }

.btn-glass {
  background: rgba(255,255,255,0.08);
  color: white;
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(255,255,255,0.15); }

.btn-sm { padding: 0.4rem 1rem; font-size: 0.82rem; }
.btn-lg { padding: 0.8rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-arrow { transition: transform 0.3s; }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
}

.logo-img {
  height: 32px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  border-radius: 4px;
}

.logo-icon {
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 登录框头像图标（2026-10-18：登录专用图标） */
.login-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.main-nav .nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-sm) 0;
  position: relative;
}

.nav-link:hover, .nav-link.active { color: white; }

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* 汉堡按钮点击后变 "X" */
.mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单展开时锁定背景滚动（main.js 切换） */
body.nav-open { overflow: hidden; }

/* === Hero === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

/* 移动端浏览器地址栏会收缩视口，svh 更贴合实际可视高度 */
@supports (min-height: 100svh) {
  .hero { min-height: 100svh; }
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(99,102,241,0.3) 50%, transparent 100%),
    radial-gradient(2px 2px at 40% 70%, rgba(6,182,212,0.3) 50%, transparent 100%),
    radial-gradient(2px 2px at 60% 20%, rgba(99,102,241,0.2) 50%, transparent 100%),
    radial-gradient(2px 2px at 80% 60%, rgba(6,182,212,0.2) 50%, transparent 100%),
    radial-gradient(1px 1px at 10% 80%, rgba(255,255,255,0.15) 50%, transparent 100%),
    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.1) 50%, transparent 100%);
  animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-20px) translateX(10px); }
  50% { transform: translateY(-10px) translateX(-15px); }
  75% { transform: translateY(-25px) translateX(5px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
}

.hero-title-line { display: block; color: var(--color-text-heading); }
.hero-title-line.accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
}

.stat-item { text-align: left; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* === Sections === */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-tag {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(99,102,241,0.1);
  color: var(--color-primary-light);
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  border: 1px solid rgba(99,102,241,0.2);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}

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

/* === 产品卡片 === */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.product-card:hover::before { opacity: 1; }

.product-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-primary-light);
}

.icon-ai { background: rgba(99,102,241,0.15); }
.icon-cloud { background: rgba(6,182,212,0.15); color: var(--color-accent); }
.icon-data { background: rgba(16,185,129,0.15); color: var(--color-success); }
.icon-security { background: rgba(245,158,11,0.15); color: var(--color-warning); }

.product-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}

.product-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  font-size: 0.92rem;
  line-height: 1.7;
}

.feature-list {
  margin-bottom: var(--space-lg);
}

.feature-list li {
  padding: var(--space-xs) 0;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.feature-list li::before {
  content: '✓';
  color: var(--color-success);
  margin-right: var(--space-sm);
}

.card-link {
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.9rem;
}
.card-link:hover { color: var(--color-accent-light); }

/* === 优势区域 === */
.section-advantages { background: var(--color-bg-secondary); }

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.advantage-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.adv-icon { font-size: 2rem; flex-shrink: 0; }

.advantage-item h4 {
  color: var(--color-text-heading);
  margin-bottom: var(--space-sm);
}

.advantage-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === 客户评价 === */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.testimonial-stars {
  color: var(--color-warning);
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonial-text {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-author .author-name {
  display: block;
  font-weight: 700;
  color: var(--color-text-heading);
}

.testimonial-author .author-role {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* === CTA === */
.section-cta {
  background: var(--gradient-primary);
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-md);
}

.cta-content p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: var(--space-2xl);
}

.cta-actions {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .btn-outline {
  color: white;
  border-color: rgba(255,255,255,0.4);
}
.cta-actions .btn-outline:hover { background: rgba(255,255,255,0.15); }

/* === 下载页 === */
.download-platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.platform-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: var(--transition);
}

.platform-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.platform-icon {
  color: var(--color-primary-light);
  margin-bottom: var(--space-lg);
}

.platform-card h3 {
  font-size: 1.4rem;
  color: var(--color-text-heading);
  margin-bottom: var(--space-sm);
}

.platform-version {
  color: var(--color-primary-light);
  font-size: 0.9rem;
  font-weight: 600;
}

.platform-size {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

/* 客户端卡片更新日志 */
.platform-changelog {
  margin: 0.5rem 0 var(--space-md);
  text-align: left;
  font-size: 0.82rem;
}
.changelog-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  user-select: none;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}
.changelog-toggle:hover {
  color: var(--color-primary-light);
}
.changelog-label {
  font-weight: 600;
}
.changelog-arrow {
  display: inline-block;
  transition: transform 0.2s;
  font-size: 0.7rem;
}
.platform-changelog.changelog-expanded .changelog-arrow {
  transform: rotate(90deg);
}
.changelog-content {
  color: var(--color-text-secondary);
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  white-space: pre-wrap;
  word-break: break-word;
}
.platform-changelog.changelog-expanded .changelog-content {
  max-height: 6rem;
  overflow-y: auto;
  scrollbar-width: thin;
}

.platform-req {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  margin-top: var(--space-md);
}

/* 版本历史 */
.version-history {
  margin-bottom: var(--space-3xl);
}

.version-history h3 {
  font-size: 1.5rem;
  color: var(--color-text-heading);
  margin-bottom: var(--space-xl);
}

.version-item {
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.version-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.version-num {
  font-weight: 700;
  color: var(--color-text-heading);
  font-size: 1.1rem;
}

.version-date {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.version-badge {
  background: var(--color-primary);
  color: white;
  padding: 0.15rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.version-changes li {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: var(--space-xs) 0;
  padding-left: var(--space-lg);
  position: relative;
}

.version-changes li::before {
  content: '•';
  color: var(--color-primary-light);
  position: absolute;
  left: 0;
}

/* 安装指南 */
.install-guide h3 {
  font-size: 1.5rem;
  color: var(--color-text-heading);
  margin-bottom: var(--space-xl);
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.guide-step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h4 {
  color: var(--color-text-heading);
  margin-bottom: var(--space-xs);
}

.step-content p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* === 产品详情页 === */
.product-showcases { margin-bottom: var(--space-3xl); }

.showcase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.showcase-item.reverse { direction: rtl; }
.showcase-item.reverse > * { direction: ltr; }

.showcase-tag {
  display: inline-block;
  padding: 0.2rem 0.8rem;
  background: rgba(6,182,212,0.1);
  color: var(--color-accent);
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.showcase-content h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}

.showcase-content > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.showcase-features {
  margin-bottom: var(--space-xl);
}

.showcase-features li {
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
  font-size: 0.92rem;
}

.showcase-features li strong { color: var(--color-text-heading); }

.showcase-actions {
  display: flex;
  gap: var(--space-md);
}

.visual-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  overflow: hidden;
}

.code-block {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-header {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.code-block pre {
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-primary-light);
  overflow-x: auto;
}

/* 搭程逸客户端（Qt 图形界面）示意 */
.client-mockup {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.client-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.client-titlebar-dots {
  display: inline-flex;
  gap: 5px;
}

.client-titlebar-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.client-titlebar-dots i:nth-child(1) { background: #ff5f57; }
.client-titlebar-dots i:nth-child(2) { background: #febc2e; }
.client-titlebar-dots i:nth-child(3) { background: #28c840; }

.client-titlebar-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.client-body {
  display: flex;
  min-height: 230px;
}

.client-sidebar {
  list-style: none;
  width: 132px;
  flex-shrink: 0;
  padding: var(--space-sm);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.client-sidebar li {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.client-sidebar li.active {
  background: rgba(99,102,241,0.15);
  color: var(--color-primary-light);
  font-weight: 600;
}

.client-main {
  flex: 1;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.client-main-tip {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.client-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
}

.client-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--color-text);
}

.client-checkbox {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  border: 1px solid var(--color-border-light);
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 0.62rem;
  color: #fff;
}

.client-checkbox.checked {
  background: var(--gradient-primary);
  border-color: transparent;
}

.client-status {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.client-status.done { color: var(--color-success); }
.client-status.installing { color: var(--color-accent); }

.client-install-btn {
  margin-top: auto;
  padding: 9px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: default;
}

@media (max-width: 480px) {
  .client-body { flex-direction: column; }
  .client-sidebar {
    width: auto;
    flex-direction: row;
    flex-wrap: wrap;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
}

.cloud-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  text-align: center;
}

.cloud-node {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
}

.cloud-node.center {
  grid-column: 1 / -1;
  background: var(--gradient-primary);
  color: white;
  font-size: 1.2rem;
}

.cloud-node.n1 { background: rgba(99,102,241,0.15); color: var(--color-primary-light); }
.cloud-node.n2 { background: rgba(6,182,212,0.15); color: var(--color-accent); }
.cloud-node.n3 { background: rgba(16,185,129,0.15); color: var(--color-success); }
.cloud-node.n4 { background: rgba(245,158,11,0.15); color: var(--color-warning); }

.data-flow {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.flow-step {
  padding: var(--space-sm) var(--space-lg);
  background: rgba(99,102,241,0.15);
  color: var(--color-primary-light);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.flow-arrow { color: var(--color-text-muted); font-size: 1.2rem; }

/* 技术栈 */
.tech-stack {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.tech-stack h3 {
  color: var(--color-text-heading);
  margin-bottom: var(--space-xl);
}

.stack-badges { display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: center; }

.badge {
  padding: 0.4rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* === 关于页 === */
.about-story {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.story-content h3, .core-values h3, .timeline h3, .join-us h3 {
  font-size: 1.5rem;
  color: var(--color-text-heading);
  margin-bottom: var(--space-xl);
}

.story-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.story-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.number-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.number-label {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* 核心价值 */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.value-card {
  padding: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.value-icon { font-size: 2rem; margin-bottom: var(--space-md); }

.value-card h4 {
  color: var(--color-text-heading);
  margin-bottom: var(--space-sm);
}

.value-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* 时间线 */
.timeline-items {
  position: relative;
  padding-left: 80px;
  margin-bottom: var(--space-3xl);
}

.timeline-items::before {
  content: '';
  position: absolute;
  left: 35px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
}

.timeline-year {
  position: absolute;
  left: -80px;
  top: 0;
  width: 60px;
  text-align: right;
  font-weight: 800;
  color: var(--color-primary-light);
  font-size: 1.1rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -49px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
}

.timeline-content h4 {
  color: var(--color-text-heading);
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* 加入我们 */
.join-us {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.join-us p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.join-positions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.position-tag {
  padding: 0.5rem 1.2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-primary);
  color: var(--color-primary-light);
  border-radius: 20px;
  font-size: 0.9rem;
}

/* === 新闻页 === */
.news-categories {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.cat-btn {
  padding: 0.5rem 1.2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.cat-btn.active, .cat-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.news-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

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

.news-cover {
  height: 180px;
  display: flex;
  align-items: flex-start;
  padding: var(--space-md);
}

.news-cat {
  padding: 0.2rem 0.8rem;
  background: rgba(0,0,0,0.4);
  color: white;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.news-body {
  padding: var(--space-xl);
}

.news-date {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.news-body h3 {
  margin: var(--space-sm) 0;
}

.news-body h3 a {
  color: var(--color-text-heading);
  font-size: 1.1rem;
}

.news-body h3 a:hover { color: var(--color-primary-light); }

.news-body p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* 分页 */
.pagination {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.page-btn {
  padding: 0.5rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.page-btn.active, .page-btn:hover:not(:disabled) {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.page-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* === 登录页 === */
.section-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  background: var(--gradient-hero);
}

/* flex 容器的子项默认不撑满主轴，.container 会收缩到内容宽度，
   导致登录框远小于设计宽度；这里强制占满一行恢复设计宽度 */
.section-login .container { width: 100%; }

.login-wrapper {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}

/* 登录框内文字整体调大 2px（页签/标签/输入框/提示/页脚/按钮） */
.login-wrapper .login-brand h2 { font-size: calc(1.75rem + 2px); }
.login-wrapper .login-brand p { font-size: calc(0.95rem + 2px); }
.login-wrapper .tab-btn { font-size: calc(0.95rem + 2px); }
.login-wrapper .form-group label { font-size: calc(0.85rem + 2px); }
.login-wrapper .form-group input,
.login-wrapper .form-group select,
.login-wrapper .form-group textarea { font-size: calc(0.95rem + 2px); }
.login-wrapper .form-options,
.login-wrapper .forgot-link,
.login-wrapper .form-message { font-size: calc(0.85rem + 2px); }
.login-wrapper .login-footer { font-size: calc(0.8rem + 2px); }
.login-wrapper .btn-lg { font-size: calc(1rem + 2px); }

.login-brand {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.login-brand h2 {
  color: var(--color-text-heading);
  font-size: 1.75rem;
  margin-top: var(--space-md);
}

.login-brand p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-top: var(--space-sm);
}

.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.tab-btn {
  flex: 1;
  padding: var(--space-md);
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.tab-btn.active {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary);
}

/* 表单 */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  font-size: 0.85rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  cursor: pointer;
}

.forgot-link { color: var(--color-primary-light); font-size: 0.85rem; }

.login-form { display: none; }
.login-form.active { display: block; }

.form-message {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  text-align: center;
  display: none;
}

.form-message.show { display: block; }
.form-message.success { background: rgba(16,185,129,0.1); color: var(--color-success); }
.form-message.error { background: rgba(239,68,68,0.1); color: var(--color-error); }

.login-footer {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* === 联系页 === */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
}

.contact-form-wrapper h3, .contact-info h3 {
  font-size: 1.3rem;
  color: var(--color-text-heading);
  margin-bottom: var(--space-xl);
}

.info-item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.info-icon { font-size: 1.5rem; flex-shrink: 0; }

.info-item h4 {
  color: var(--color-text-heading);
  margin-bottom: var(--space-xs);
  font-size: 0.95rem;
}

.info-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === Footer === */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.footer-logo .logo-img {
  height: 28px;
  max-width: 140px;
}

.footer-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.footer-col h4 {
  color: var(--color-text-heading);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-col ul li a:hover { color: var(--color-primary-light); }

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* === 404 === */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-bg);
}

.error-code {
  font-size: 8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.error-page h1 {
  color: var(--color-text-heading);
  margin: var(--space-md) 0;
}

.error-page p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .showcase-item { grid-template-columns: 1fr; }
  .showcase-item.reverse { direction: ltr; }
  .about-story { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  /* 平板竖屏 / 手机横屏即切换汉堡导航：桌面导航一行在该宽度已放不下 */
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }

  /* 面板用 absolute 挂靠 Header：.site-header 自身是 fixed，必然成为面板的包含块。
     不能用 position: fixed —— Header 的 backdrop-filter 会把 fixed 后代的
     top/bottom 改算到 Header 盒子上，bottom:0 会把面板高度压成约 0（只剩一条缝）。
     top:100% = Header 下缘；高度随内容，超高时面板内部滚动。 */
  .main-nav.open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,10,15,0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: var(--space-lg) var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  @supports (height: 100svh) {
    .main-nav.open { max-height: calc(100svh - 72px); }
  }

  .main-nav.open .nav-list {
    flex-direction: column;
    gap: 0;
  }

  /* 放大点击区域，逐项分隔 */
  .main-nav.open .nav-list li { border-bottom: 1px solid var(--color-border); }
  .main-nav.open .nav-link { display: block; padding: var(--space-md) 0; font-size: 1.05rem; }
  .main-nav.open .nav-link.active { color: var(--color-primary-light); }
  .main-nav.open .nav-link.active::after { display: none; }

  /* Header 收敛为：logo + 登录/用户名 + 汉堡；CTA 入口在面板与页面内均有 */
  .header-actions { gap: var(--space-sm); }
  .header-actions .btn { display: none; }
  .header-user-info { max-width: 96px; overflow: hidden; }
  .user-name-link { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.2rem; }
  .hero-desc { font-size: 1.05rem; }
  .hero-stats { flex-wrap: wrap; gap: var(--space-lg) var(--space-xl); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .showcase-item { gap: var(--space-xl); padding: var(--space-lg) 0; }
  .showcase-content h3 { font-size: 1.5rem; }
  .showcase-actions { flex-wrap: wrap; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .form-row { grid-template-columns: 1fr; }
  .story-numbers { grid-template-columns: 1fr 1fr; }

  /* 选项卡过多时横向滑动，不撑破容器 */
  .profile-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .ptab-btn { white-space: nowrap; flex-shrink: 0; padding: var(--space-md); }

  /* 轮播与文章排版收紧 */
  .carousel-overlay { padding: var(--space-lg) var(--space-md); }
  .carousel-btn { width: 34px; height: 34px; }

  /* iOS Safari：可输入控件字号 ≥16px，聚焦时不会自动放大页面 */
  .form-group input,
  .form-group select,
  .form-group textarea,
  .appt-form .form-group select,
  .appt-form .form-group textarea,
  .amount-input-wrap input,
  .filter-select { font-size: 16px; }
}

/* === 新闻页轮播 === */
.news-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 16px;
  margin-bottom: var(--space-2xl);
  aspect-ratio: 21/9;
}
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  height: 100%;
}
.carousel-slide {
  min-width: 100%;
  height: 100%;
}
.carousel-cover {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  position: relative;
}
.carousel-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-2xl) var(--space-xl);
  background: linear-gradient(transparent, rgba(10,10,15,0.9));
}
.carousel-cat {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 2px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  margin-bottom: var(--space-sm);
}
.carousel-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: var(--space-xs) 0;
  line-height: 1.3;
}
.carousel-title a { color: var(--color-text-heading); text-decoration: none; }
.carousel-title a:hover { color: var(--color-primary-light); }
.carousel-summary {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: var(--space-sm) 0;
  max-width: 600px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.carousel-meta {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  display: flex;
  gap: var(--space-md);
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 2;
  transition: background 0.2s;
}
.carousel-btn:hover { background: rgba(99,102,241,0.8); }
.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }
.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.2s;
}
.carousel-dot.active { background: var(--color-primary-light); }

/* === 新闻分类筛选 === */
.news-categories {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.cat-btn {
  padding: 6px 18px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.cat-btn:hover { border-color: var(--color-primary); color: var(--color-primary-light); }
.cat-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* === 置顶标记 === */
.news-top {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--color-warning);
  color: #000;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}

/* === 文章详情页 === */
.container-narrow { max-width: 800px; }
.article-detail { padding: var(--space-2xl) 0; }
.article-header { margin-bottom: var(--space-xl); }
.article-meta {
  display: flex;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}
.article-category {
  background: var(--color-primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
}
.article-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.3;
}
.article-tags { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-sm); }
.article-tags .tag {
  background: var(--color-bg-hover);
  color: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  border: 1px solid var(--color-border);
}
.article-cover {
  margin: var(--space-xl) 0;
  border-radius: 12px;
  overflow: hidden;
}
.article-cover img { width: 100%; display: block; }
.article-content {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.8;
}
.article-content h1, .article-content h2, .article-content h3 {
  color: var(--color-text-heading);
  margin: 1.5em 0 0.5em;
}
.article-content p { margin: 1em 0; }
.article-content pre {
  background: var(--color-bg-secondary);
  padding: var(--space-md);
  border-radius: 8px;
  overflow-x: auto;
  margin: 1em 0;
}
.article-content code {
  background: var(--color-bg-hover);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.article-content pre code { background: none; padding: 0; }
.article-content img { max-width: 100%; border-radius: 8px; }
.article-content a { color: var(--color-primary-light); }
.article-content a:hover { text-decoration: underline; }
.article-footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}
.article-empty {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
}
.article-empty h2 { margin-bottom: var(--space-xl); }

/* === 新闻meta === */
.news-meta {
  display: flex;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  margin-top: var(--space-sm);
}

/* === 后台文章编辑弹窗 === */
.modal-lg { max-width: 900px; }
.form-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-light);
  margin: var(--space-xl) 0 var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}
.filter-bar {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.filter-select {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-secondary);
  color: var(--color-text);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .news-carousel { aspect-ratio: 16/9; }
  .carousel-title { font-size: 1.1rem; }
  .carousel-summary { display: none; }
  .article-title { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-md); }
  .hero-title { font-size: 1.8rem; }
  .section { padding: var(--space-2xl) 0; }

  .stat-num { font-size: 1.5rem; }

  /* 卡片内边距收紧，给内容留更多宽度 */
  .product-card,
  .platform-card,
  .testimonial-card,
  .value-card,
  .version-item,
  .tech-stack { padding: var(--space-xl); }

  .error-code { font-size: 5rem; }

  /* 时间线：年份改为条目上方，去掉左侧轨道，避免窄屏被挤成一列细条 */
  .timeline-items { padding-left: 0; }
  .timeline-items::before { display: none; }
  .timeline-item::before { display: none; }
  .timeline-year {
    position: static;
    display: block;
    width: auto;
    text-align: left;
    margin-bottom: var(--space-xs);
  }

  .story-numbers { gap: var(--space-md); }

  /* 极窄屏（<352px）：网格 minmax 最小列宽会超过可用宽度导致卡片被裁切，统一改单列 */
  .advantages-grid,
  .testimonials-grid,
  .news-grid { grid-template-columns: 1fr; }
}

/* ========================================
   个人中心 - 样式
   ======================================== */

/* Header 用户名 */
.header-user-info {
  display: inline-flex;
  align-items: center;
  margin-right: var(--space-sm);
}
.user-name-link {
  color: var(--color-accent) !important;
  font-weight: 600;
}
.user-name-link:hover {
  color: var(--color-accent-light) !important;
}

/* 认证提示 */
.profile-auth-prompt {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
}
.prompt-card {
  text-align: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  max-width: 480px;
}
.prompt-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
}
.prompt-card h2 {
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}
.prompt-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* 用户信息卡 */
.profile-user-card {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-2xl);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.user-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}
.user-info-main h2 {
  color: var(--color-text-heading);
  margin: 0 0 var(--space-xs);
  font-size: 1.5rem;
}
.user-info-main p {
  color: var(--color-text-secondary);
  margin: 0;
}
.user-since {
  font-size: 0.85rem;
  color: var(--color-text-muted) !important;
  margin-top: var(--space-xs) !important;
}
/* VIP 会员身份（2026-10-06）：金色徽标 + 到期日 */
.user-vip-line {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  flex-wrap: wrap;
}
.vip-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #b45309;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.18), rgba(245, 158, 11, 0.12));
  border: 1px solid rgba(245, 158, 11, 0.45);
}
.vip-expire {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.user-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-left: auto;
  flex-wrap: wrap;
}

/* 余额卡片 */
.balance-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(139,92,246,0.12));
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-lg);
  margin-left: var(--space-lg);
  flex-shrink: 0;
}
.balance-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.balance-value-wrap {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.balance-currency {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}
.balance-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.balance-recharge-btn {
  padding: var(--space-xs) var(--space-md) !important;
  font-size: 0.85rem !important;
  white-space: nowrap;
  border-radius: var(--radius-md) !important;
}

.stat-item {
  text-align: center;
}
.stat-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-accent);
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* Tab 导航 */
.profile-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}
.ptab-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}
.ptab-btn:hover {
  color: var(--color-text);
}
.ptab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* 面板 */
.profile-panel {
  display: none;
}
.profile-panel.active {
  display: block;
}
.panel-header {
  margin-bottom: var(--space-lg);
}
.panel-header h3 {
  color: var(--color-text-heading);
  margin: 0 0 var(--space-xs);
}
.panel-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* 记录卡片 */
.record-cards {
  display: grid;
  gap: var(--space-lg);
}
.record-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s;
}
.record-card:hover {
  border-color: var(--color-border-light);
}
.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  background: rgba(255,255,255,0.02);
}
.card-icon {
  font-size: 1.2rem;
}
.card-title {
  font-weight: 600;
  color: var(--color-text-heading);
  flex: 1;
}
.card-amount {
  font-weight: 700;
  color: var(--color-warning);
  font-size: 1.1rem;
  margin-right: var(--space-sm);
}
.card-badge {
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
  white-space: nowrap;
}
.status-success { background: rgba(16,185,129,0.15); color: var(--color-success); }
.status-error   { background: rgba(239,68,68,0.15); color: var(--color-error); }
.status-pending  { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.status-warning  { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.status-info     { background: rgba(59,130,246,0.15); color: var(--color-info); }
.status-muted    { background: rgba(113,113,122,0.15); color: var(--color-text-muted); }

/* 充值/消费记录类型筛选（2026-10-06） */
.record-type-filter {
  display: flex;
  gap: 8px;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.type-filter-btn {
  padding: 0.4rem 1.1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.type-filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.type-filter-btn.active {
  background: rgba(99,102,241,0.12);
  border-color: var(--color-primary);
  color: var(--color-primary-light);
  font-weight: 600;
}

.card-body {
  padding: var(--space-md) var(--space-lg);
}
.card-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
}
.card-row.card-error .row-value {
  color: var(--color-error);
}
.row-label {
  color: var(--color-text-muted);
  min-width: 80px;
  flex-shrink: 0;
}
.row-value {
  color: var(--color-text-secondary);
  text-align: right;
  flex: 1;
  word-break: break-all;
}
.row-value.mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

/* 空状态 & 加载 */
.empty-state, .loading-spinner {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* 分页 */
.records-pagination {
  margin-top: var(--space-lg);
}
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.page-btn {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.page-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.page-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.page-info {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-left: var(--space-md);
}

/* 响应式 */
@media (max-width: 768px) {
  .profile-user-card {
    flex-direction: column;
    text-align: center;
    padding: var(--space-xl);
  }
  .user-stats {
    margin-left: 0;
    justify-content: center;
  }
  .balance-card {
    margin-left: 0;
    margin-top: var(--space-sm);
    width: 100%;
    justify-content: center;
  }
  .user-info-main h2 { font-size: 1.2rem; }
  .stat-value { font-size: 1.4rem; }
  .card-row { flex-direction: column; gap: 2px; }
  .row-value { text-align: left; }
  .amount-presets { flex-wrap: wrap; }
  .pay-methods { flex-direction: column; }
  .appt-form .form-row { grid-template-columns: 1fr; }
  .login-wrapper { padding: 1.5rem 1.25rem; max-width: 100%; }
}

/* ========================================
   充值 & 预约 操作区
   ======================================== */

.action-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.action-box-title {
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  color: var(--color-text-heading);
  border-bottom: 1px solid var(--color-border);
  background: rgba(99,102,241,0.05);
  font-size: 1rem;
}

.action-box-body {
  padding: var(--space-lg);
}

/* 充值金额预设 */
.amount-presets {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.preset-btn {
  flex: 1;
  padding: 0.65rem 0.5rem;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.preset-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.preset-btn.active {
  background: rgba(99,102,241,0.12);
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

/* 自定义金额 */
.amount-custom {
  margin-bottom: var(--space-lg);
}

.amount-custom label {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

.amount-input-wrap {
  display: flex;
  align-items: center;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}

.amount-input-wrap:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.amount-prefix {
  padding: 0.75rem 1rem;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  font-weight: 700;
  background: rgba(255,255,255,0.03);
  border-right: 1px solid var(--color-border);
}

.amount-input-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: 600;
  outline: none;
  min-width: 0;
}

.amount-input-wrap input::placeholder {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.9rem;
}

/* 支付方式选择 */
.pay-method-select {
  margin-bottom: var(--space-lg);
}

.pay-method-select > label {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

.pay-methods {
  display: flex;
  gap: var(--space-md);
}

.pay-method-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.2rem;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  flex: 1;
  justify-content: center;
}

.pay-method-option input[type="radio"] {
  display: none;
}

.pay-method-option:hover {
  border-color: var(--color-border-light);
}

.pay-method-option.active {
  border-color: var(--color-primary);
  background: rgba(99,102,241,0.08);
}

.pay-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
}

.wechat-icon {
  background: rgba(7,193,96,0.15);
  color: #07c160;
}

.alipay-icon {
  background: rgba(0,160,233,0.15);
  color: #00a0e9;
}

.pay-name {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.pay-method-option.active .pay-name {
  color: var(--color-text);
}

/* 预约表单 */
.appt-form .form-group {
  margin-bottom: var(--space-md);
}

.appt-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: 0;
}

.appt-form .form-group select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2371717a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.appt-form .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.appt-form .form-group textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  resize: vertical;
  min-height: 80px;
  transition: border-color 0.2s;
}

.appt-form .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.required {
  color: var(--color-error);
  margin-left: 2px;
}

/* 表单消息样式增强 */
.form-message.msg-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--color-error);
  display: block;
}

.form-message.msg-success {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--color-success);
  display: block;
}

/* ========================================
   发票申请页（2026-10-06 开票功能）
   ======================================== */

.title-list {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.title-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  flex-wrap: wrap;
}

.title-item:hover {
  border-color: var(--color-accent);
}

.title-item.selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.title-main {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 240px;
}

.title-type-badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(99,102,241,0.15);
  color: var(--color-primary);
  font-weight: 600;
  white-space: nowrap;
}

.title-name {
  font-weight: 600;
  color: var(--color-text-heading);
}

.title-default-badge {
  font-size: 0.7rem;
  padding: 1px 8px;
  border-radius: 10px;
  background: rgba(16,185,129,0.15);
  color: var(--color-success);
  font-weight: 600;
  white-space: nowrap;
}

.title-sub {
  display: flex;
  gap: var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  flex: 1;
  flex-wrap: wrap;
}

.title-ops {
  display: flex;
  gap: var(--space-sm);
}

.order-list {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.order-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s;
}

.order-item:hover {
  border-color: var(--color-accent);
}

.order-item input[type="checkbox"] {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.order-info {
  flex: 1;
  display: grid;
  gap: 4px;
}

.order-line1 {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
}

.order-desc {
  font-weight: 600;
  color: var(--color-text-heading);
}

.order-amount {
  font-weight: 700;
  color: var(--color-warning);
  white-space: nowrap;
}

.order-line2 {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.order-summary {
  padding: var(--space-md) var(--space-lg);
  background: rgba(99,102,241,0.06);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.order-summary b {
  color: var(--color-primary);
}

.order-nos {
  word-break: break-all;
  text-align: right;
}

.invoice-tip {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(16,185,129,0.08);
  border-radius: var(--radius-sm);
  color: var(--color-success);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .title-main { min-width: 100%; }
  .title-sub { flex-direction: column; gap: 4px; }
  .order-nos { text-align: left; }
}

/* ========================================
   法务文档页 + 认证弹窗（2026-10-18）
   ======================================== */

/* === 服务条款/隐私政策 文档页 === */
.legal-doc {
  max-width: 860px;
  margin: var(--space-2xl) auto 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}
.legal-doc .legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.legal-doc h3 {
  color: var(--color-text-heading);
  font-size: 1.12rem;
  margin: var(--space-xl) 0 var(--space-md);
  padding-left: 0.75rem;
  border-left: 3px solid var(--color-primary);
}
.legal-doc h3:first-of-type { margin-top: 0; }
.legal-doc p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: var(--space-md);
}
.legal-doc ul, .legal-doc ol {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
  margin: 0 0 var(--space-md) 1.4em;
}
.legal-doc li { margin-bottom: var(--space-xs); }
.legal-doc strong { color: var(--color-text); }
.legal-doc a { color: var(--color-primary-light); }
.legal-doc a:hover { text-decoration: underline; }

/* === 忘记密码弹窗（深色主题修复） === */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  padding: var(--space-md);
}
.auth-modal-box {
  width: 420px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.auth-modal-box h3 {
  margin: 0 0 6px;
  color: var(--color-text-heading);
  font-size: 1.2rem;
}
.auth-modal-hint {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.7;
}
.auth-modal-box .form-group { margin-bottom: 14px; }
.auth-modal-actions { display: flex; gap: 10px; }
.auth-modal-actions .btn { flex: 1; padding: 10px; }
.auth-modal-msg {
  color: var(--color-error);
  font-size: 0.82rem;
  margin-bottom: 10px;
  min-height: 18px;
}

/* === 页脚法务链接 === */
.footer-legal {
  margin-top: var(--space-sm);
  font-size: 0.8rem;
}
.footer-legal a { color: var(--color-text-muted); }
.footer-legal a:hover { color: var(--color-primary-light); }

/* ===== 微信扫码登录（2026-10-23，login.html 的 wechat 页签） ===== */
.wx-qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}
.wx-qr-box img {
  width: 200px;
  height: 200px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
}
.wx-qr-tip {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  text-align: center;
  line-height: 1.6;
}