/* ===== 数字维尔·数字坊AI智能AI销售平台 - 全局样式 ===== */

:root {
  --bg-primary: #0A0E14;
  --bg-secondary: #1C2128;
  --bg-card: #2A313C;
  --bg-card-hover: #3A4452;
  --accent-cyan: #E8B86D;
  --accent-cyan-glow: rgba(232, 184, 109, 0.15);
  --accent-blue: #5BA8D4;
  --accent-purple: #C4956B;
  --accent-magenta: #7DD3A0;
  --text-primary: #E6EDF3;
  --text-secondary: #A8B2C0;
  --text-muted: #6B7585;
  --border-color: rgba(232, 184, 109, 0.15);
  --border-active: rgba(232, 184, 109, 0.4);
  --gradient-hero: linear-gradient(135deg, #0A0E14 0%, #1C2128 50%, #0A0E14 100%);
  --gradient-accent: linear-gradient(135deg, #E8B86D 0%, #5BA8D4 100%);
  --gradient-purple: linear-gradient(135deg, #C4956B 0%, #5BA8D4 100%);
  --shadow-glow: 0 0 30px rgba(232, 184, 109, 0.1);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 64px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.navbar-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #0A0E14 0%, #1C2128 100%);
  border: 1.5px solid transparent;
  background-clip: padding-box;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--accent-cyan);
  font-weight: 900;
  letter-spacing: 0.5px;
  position: relative;
  flex-shrink: 0;
  box-shadow:
    0 0 12px rgba(232, 184, 109, 0.25),
    inset 0 0 8px rgba(124, 58, 237, 0.08);
}

.navbar-logo .logo-icon::before {
  content: '';
  position: absolute;
  inset: -1.5px;
  border-radius: 10px;
  padding: 1.5px;
  background: linear-gradient(135deg, #E8B86D 0%, #5BA8D4 40%, #C4956B 70%, #7DD3A0 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.navbar-logo .logo-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: radial-gradient(circle at 50% 50%, rgba(232, 184, 109, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-menu a {
  font-size: 14px;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--accent-cyan);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(232, 184, 109, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-active);
  color: var(--accent-cyan);
}

.btn-outline:hover {
  background: var(--accent-cyan-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--accent-cyan);
}

/* ===== 通用容器 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 100px 0;
}

/* ===== 区块底色差异化 ===== */
#business {
  background: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(232, 184, 109, 0.07) 0%, transparent 65%);
}
#business .step-card {
  background: linear-gradient(160deg, rgba(232, 184, 109, 0.08) 0%, var(--bg-card) 45%);
}
#business .step-card .card-icon {
  background: rgba(232, 184, 109, 0.12);
  border: 1px solid rgba(232, 184, 109, 0.2);
}

#loop {
  background: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(91, 168, 212, 0.06) 0%, transparent 65%);
}
#loop .loop-item {
  background: linear-gradient(160deg, rgba(91, 168, 212, 0.07) 0%, var(--bg-card) 50%);
}

#advantages {
  background: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(196, 149, 107, 0.06) 0%, transparent 65%);
}
#advantages .feature-card {
  background: linear-gradient(160deg, rgba(196, 149, 107, 0.07) 0%, var(--bg-card) 50%);
}
#advantages .feature-card .card-icon {
  background: rgba(196, 149, 107, 0.12);
  border: 1px solid rgba(196, 149, 107, 0.2);
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 60px;
}

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== 卡片 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 网格 ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand::before {
  content: 'SZF';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 11px;
  font-weight: 900;
  color: var(--accent-cyan);
  background:
    linear-gradient(135deg, #0A0E14 0%, #1C2128 100%) padding-box,
    linear-gradient(135deg, #E8B86D 0%, #5BA8D4 40%, #C4956B 70%, #7DD3A0 100%) border-box;
  border: 1px solid transparent;
  border-radius: 8px;
  box-shadow:
    0 0 10px rgba(232, 184, 109, 0.2),
    inset 0 0 1px rgba(124, 58, 237, 0.3);
  flex-shrink: 0;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

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

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

.footer-col a {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 后台管理样式 ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
  padding-top: 64px;
}

.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 24px 0;
  flex-shrink: 0;
  position: fixed;
  top: 64px;
  bottom: 0;
  left: 0;
  overflow-y: auto;
  z-index: 900;
}

.sidebar-section {
  margin-bottom: 24px;
}

.sidebar-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0 24px;
  margin-bottom: 8px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.sidebar-item.active {
  background: var(--accent-cyan-glow);
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
}

.sidebar-item .icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.admin-main {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
  min-width: 0;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.admin-title {
  font-size: 24px;
  font-weight: 700;
}

.admin-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 统计卡片 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-change {
  font-size: 12px;
  margin-top: 8px;
}

.stat-change.up {
  color: #00E676;
}

.stat-change.down {
  color: #FF5252;
}

/* 表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.data-table th {
  background: var(--bg-secondary);
  padding: 14px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid rgba(232, 184, 109, 0.06);
}

.data-table tr:hover td {
  background: var(--bg-card-hover);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success {
  background: rgba(0, 230, 118, 0.15);
  color: #00E676;
}

.badge-warning {
  background: rgba(255, 193, 7, 0.15);
  color: #FFC107;
}

.badge-danger {
  background: rgba(255, 82, 82, 0.15);
  color: #FF5252;
}

.badge-info {
  background: rgba(232, 184, 109, 0.15);
  color: var(--accent-cyan);
}

.badge-muted {
  background: rgba(107, 123, 148, 0.15);
  color: var(--text-muted);
}

/* 图表占位 */
.chart-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.chart-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.chart-bar-container {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  height: 200px;
  padding-top: 20px;
}

.chart-bar {
  flex: 1;
  background: var(--gradient-accent);
  border-radius: 4px 4px 0 0;
  position: relative;
  min-height: 20px;
  transition: var(--transition);
}

.chart-bar:hover {
  opacity: 0.8;
}

.chart-bar-label {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.chart-bar-value {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

/* 进度条（占比展示） */
.progress-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 8px;
}

.progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-name {
  font-size: 13px;
  color: var(--text-secondary);
  width: 72px;
  flex-shrink: 0;
}

.progress-track {
  flex: 1;
  height: 10px;
  background: var(--bg-primary);
  border-radius: 100px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 100px;
  transition: width 0.6s ease;
}

.progress-percent {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  width: 44px;
  text-align: right;
  flex-shrink: 0;
}

/* 登录页 */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.login-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

.login-bg-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-cyan);
  top: -100px;
  right: -100px;
}

.login-bg-orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-purple);
  bottom: -50px;
  left: -50px;
}

.login-card {
  position: relative;
  z-index: 1;
  background: rgba(19, 40, 74, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 420px;
  box-shadow: var(--shadow-card);
}

.login-title {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.login-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 32px;
}

.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 32px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.login-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition);
}

.login-tab.active {
  background: var(--gradient-accent);
  color: var(--bg-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* 演进时间线 */
.timeline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  padding: 60px 0 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 90px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--text-muted) 0%, var(--accent-cyan) 100%);
}

.timeline-item {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.timeline-dot {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

.timeline-item.active .timeline-dot {
  background: var(--gradient-accent);
  border-color: var(--accent-cyan);
}

.timeline-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 12px;
  color: var(--text-muted);
  padding: 0 8px;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  background: var(--accent-cyan-glow);
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar-menu { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .sidebar { width: 60px; }
  .sidebar-item span:not(.icon) { display: none; }
  .sidebar-label { display: none; }
  .admin-main { margin-left: 60px; padding: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .timeline { flex-direction: column; gap: 24px; }
  .timeline::before { display: none; }
  .section { padding: 60px 0; }
  .section-title { font-size: 26px; }
  .login-card { width: 90%; padding: 32px; }
}

/* ===== 导航栏移动端菜单按钮 ===== */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* 锚点偏移，避免固定导航栏遮挡标题 */
section[id] { scroll-margin-top: 88px; }

/* ===== 首页 Hero 主视觉 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 32px 80px;
  background: var(--gradient-hero);
  overflow: hidden;
}
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.18;
  pointer-events: none;
}
.hero::before {
  width: 480px;
  height: 480px;
  background: var(--accent-cyan);
  top: -120px;
  right: -120px;
}
.hero::after {
  width: 380px;
  height: 380px;
  background: var(--accent-purple);
  bottom: -100px;
  left: -100px;
}
.hero-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--border-active);
  background: var(--accent-cyan-glow);
  border-radius: 100px;
  font-size: 13px;
  color: var(--accent-cyan);
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}
.hero-title {
  position: relative;
  font-size: 56px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.hero-subtitle {
  position: relative;
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 40px;
}
.hero-actions {
  position: relative;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-actions .btn {
  padding: 14px 32px;
  font-size: 15px;
}

/* Hero 数据条 */
.hero-data-bar {
  position: relative;
  display: flex;
  margin-top: 72px;
  background: rgba(19, 40, 74, 0.55);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 1040px;
  width: 100%;
}
.hero-data-item {
  flex: 1;
  padding: 22px 16px;
  text-align: center;
  border-right: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-secondary);
}
.hero-data-item:last-child { border-right: none; }
.hero-data-item strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

/* ===== 业务流程步骤卡 ===== */
.step-card { position: relative; overflow: hidden; }
.step-card .step-num {
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 44px;
  font-weight: 800;
  color: rgba(232, 184, 109, 0.12);
  line-height: 1;
}
.step-card .card-icon { color: var(--accent-cyan); }

/* ===== 核心优势卡片 ===== */
.feature-card .card-icon { color: var(--accent-cyan); }

/* ===== 时间线底部说明 ===== */
.timeline-foot {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== 客户生命周期 ===== */
.lifecycle {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
}
.lifecycle-node {
  flex: 1;
  min-width: 132px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 14px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.lifecycle-node:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.lifecycle-node.normal { border-color: rgba(232, 184, 109, 0.45); }
.lifecycle-node.absorb { border-color: rgba(255, 82, 82, 0.5); }
.lifecycle-node.reversible { border-color: rgba(255, 193, 7, 0.5); }
.lifecycle-code {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.lifecycle-node.absorb .lifecycle-code { color: #FF5252; }
.lifecycle-node.reversible .lifecycle-code { color: #FFC107; }
.lifecycle-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
}
.lifecycle-type {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 600;
}
.lifecycle-type.t-normal { background: rgba(232, 184, 109, 0.15); color: var(--accent-cyan); }
.lifecycle-type.t-absorb { background: rgba(255, 82, 82, 0.15); color: #FF5252; }
.lifecycle-type.t-reversible { background: rgba(255, 193, 7, 0.15); color: #FFC107; }
.lifecycle-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 22px;
  padding: 0 4px;
  opacity: 0.55;
}
.lifecycle-legend {
  display: flex;
  gap: 28px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.legend-dot.normal { background: var(--accent-cyan); }
.legend-dot.absorb { background: #FF5252; }
.legend-dot.reversible { background: #FFC107; }

/* ===== CTA 区 ===== */
.cta {
  position: relative;
  text-align: center;
  padding: 100px 32px;
  background: linear-gradient(135deg, #1C2128 0%, #2A313C 50%, #0A0E14 100%);
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(232, 184, 109, 0.18), transparent 60%);
}
.cta-title {
  position: relative;
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-subtitle {
  position: relative;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}
.cta .btn {
  position: relative;
  padding: 16px 40px;
  font-size: 16px;
}

/* ===== 关于页 Banner ===== */
.page-banner {
  padding: 160px 32px 90px;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(232, 184, 109, 0.14), transparent 60%);
}
.page-banner::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: var(--accent-purple);
  filter: blur(100px);
  opacity: 0.12;
  top: -80px;
  right: -80px;
}
.page-banner h1 {
  position: relative;
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
}
.page-banner p {
  position: relative;
  font-size: 18px;
  color: var(--text-secondary);
}

/* 公司简介 */
.company-intro {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.9;
}
.company-intro .highlight { color: var(--accent-cyan); font-weight: 600; }

/* 七层技术架构 */
.arch-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}
.arch-layer {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 22px 28px;
  transition: var(--transition);
}
.arch-layer:hover {
  background: var(--bg-card-hover);
  transform: translateX(6px);
  box-shadow: var(--shadow-glow);
}
.arch-num {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-cyan-glow);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
}
.arch-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.arch-info p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* 技术栈标签 */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  max-width: 920px;
  margin: 0 auto;
}
.tech-tag {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}
.tech-tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: var(--accent-cyan-glow);
  transform: translateY(-2px);
}

/* 发展历程 垂直时间线 */
.dev-timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 8px;
}
.dev-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
}
.dev-timeline-item {
  position: relative;
  padding: 0 0 36px 40px;
}
.dev-timeline-item:last-child { padding-bottom: 0; }
.dev-timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 0 4px rgba(232, 184, 109, 0.1);
}
.dev-timeline-time {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}
.dev-timeline-content {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 新组件响应式 ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 44px; }
  .hero-data-bar { flex-wrap: wrap; }
  .hero-data-item {
    flex: 1 1 45%;
    border-bottom: 1px solid var(--border-color);
  }
  .lifecycle { flex-direction: column; align-items: stretch; }
  .lifecycle-node { min-width: auto; }
  .lifecycle-arrow { transform: rotate(90deg); padding: 6px 0; }
}

@media (max-width: 768px) {
  .navbar-toggle { display: flex; }
  .navbar-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-secondary);
    padding: 16px 32px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
  }
  .navbar-menu.open { display: flex; }
  .hero { padding: 120px 24px 60px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .hero-data-item { flex: 1 1 100%; border-right: none; }
  .cta-title { font-size: 28px; }
  .page-banner { padding: 130px 24px 70px; }
  .page-banner h1 { font-size: 32px; }
  .arch-layer { flex-direction: column; align-items: flex-start; gap: 12px; }
  .company-intro { font-size: 15px; }
}

/* ===== 页面横幅（核心优势 / 联系我们） ===== */
.page-hero {
  padding: 160px 0 100px;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: var(--accent-cyan);
  filter: blur(130px);
  opacity: 0.08;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
}

.page-hero::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: var(--accent-purple);
  filter: blur(130px);
  opacity: 0.06;
  bottom: -160px;
  right: -80px;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.page-hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== 优势详情卡片 ===== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.advantage-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.advantage-card .card-icon {
  background: var(--gradient-accent);
  color: var(--bg-primary);
  margin-bottom: 24px;
  font-size: 26px;
}

.advantage-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.advantage-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.tech-points {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  margin-top: auto;
}

.tech-points li {
  position: relative;
  padding-left: 28px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
}

.tech-points li:last-child {
  margin-bottom: 0;
}

.tech-points li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-cyan);
  font-weight: 700;
}

/* ===== 合规对比表格 ===== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.comparison-table th {
  background: var(--bg-secondary);
  padding: 18px 22px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th.col-ours {
  color: var(--accent-cyan);
}

.comparison-table td {
  padding: 18px 22px;
  font-size: 14px;
  border-bottom: 1px solid rgba(232, 184, 109, 0.06);
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.comparison-table td.col-policy {
  color: var(--text-primary);
  font-weight: 600;
}

.comparison-table td.col-trad {
  color: var(--text-muted);
}

.comparison-table td.col-ours {
  color: var(--accent-cyan);
  font-weight: 500;
}

.comparison-table tr:hover td {
  background: var(--bg-card-hover);
}

/* ===== 联系信息卡片 ===== */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}

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

.contact-info-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 20px;
}

.contact-info-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 14px;
}

.contact-info-detail {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.contact-info-detail a {
  color: var(--accent-cyan);
}

.contact-info-detail .muted {
  color: var(--text-muted);
  font-size: 13px;
}

/* ===== 联系表单 ===== */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 780px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

textarea.form-input {
  resize: vertical;
  min-height: 130px;
  font-family: inherit;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23E8B86D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
}

select.form-input option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-success {
  display: none;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.4);
  color: #00E676;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 14px;
  align-items: center;
  gap: 10px;
}

.form-success.show {
  display: flex;
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 15px;
}

/* ===== 地址区块 ===== */
.address-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.address-block::before {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: var(--accent-cyan);
  filter: blur(120px);
  opacity: 0.07;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
}

.address-inner {
  position: relative;
  z-index: 1;
}

.address-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.address-text {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.7;
}

.address-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ===== 新增响应式 ===== */
@media (max-width: 768px) {
  .page-hero { padding: 120px 0 70px; }
  .page-hero-title { font-size: 32px; }
  .page-hero-subtitle { font-size: 15px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-card { padding: 28px; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .comparison-table th,
  .comparison-table td { padding: 14px 16px; font-size: 13px; }
  .address-block { padding: 40px 24px; }
  .address-text { font-size: 16px; }
}

/* ============================================== */
/* ===== 抖音小程序落地页（移动端优先设计） ===== */
/* ============================================== */

.lp-page {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
}

/* 桌面端两侧装饰 */
@media (min-width: 481px) {
  .lp-page {
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
  }
}

/* 顶部返回条 */
.lp-topbar {
  position: sticky;
  top: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}
.lp-topbar a {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.lp-topbar a:hover { color: var(--accent-cyan); }
.lp-topbar .lp-brand {
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lp-topbar .lp-brand .logo-icon {
  width: 28px;
  height: 28px;
  font-size: 10px;
  border-radius: 7px;
}
.lp-topbar .lp-brand .logo-icon::before {
  border-radius: 7px;
  inset: -1px;
  padding: 1px;
}
.lp-topbar .lp-brand .logo-icon::after {
  border-radius: 7px;
}

/* Hero 区 */
.lp-hero {
  position: relative;
  padding: 48px 24px 40px;
  text-align: center;
  background: var(--gradient-hero);
  overflow: hidden;
}
.lp-hero::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--accent-cyan);
  filter: blur(80px);
  opacity: 0.12;
  top: -100px;
  right: -80px;
}
.lp-hero::after {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: var(--accent-purple);
  filter: blur(80px);
  opacity: 0.1;
  bottom: -60px;
  left: -60px;
}
.lp-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(255, 0, 80, 0.15);
  border: 1px solid rgba(255, 0, 80, 0.4);
  border-radius: 100px;
  font-size: 12px;
  color: #FF4D6D;
  font-weight: 600;
  margin-bottom: 24px;
  animation: lp-pulse 2s ease-in-out infinite;
}
.lp-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FF4D6D;
  box-shadow: 0 0 6px #FF4D6D;
}
.lp-hero h1 {
  position: relative;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}
.lp-hero h1 .text-gradient {
  display: inline;
}
.lp-hero-desc {
  position: relative;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* Hero 内嵌表单 */
.lp-hero-form {
  position: relative;
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}
.lp-hero-form input {
  flex: 1;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition);
}
.lp-hero-form input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}
.lp-hero-form input::placeholder { color: var(--text-muted); }
.lp-hero-form button {
  flex-shrink: 0;
  padding: 14px 20px;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.lp-hero-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(232, 184, 109, 0.35);
}
.lp-trust {
  position: relative;
  font-size: 12px;
  color: var(--text-muted);
}
.lp-trust strong { color: var(--accent-cyan); font-weight: 600; }

/* 通用 section */
.lp-section {
  padding: 44px 24px;
}
.lp-section-title {
  font-size: 22px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 8px;
}
.lp-section-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 32px;
}

/* 痛点列表 */
.lp-pain-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lp-pain-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: var(--transition);
}
.lp-pain-item:hover {
  border-color: rgba(255, 82, 82, 0.3);
  background: var(--bg-card-hover);
}
.lp-pain-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(255, 82, 82, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.lp-pain-text h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.lp-pain-text p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 解决方案流程 */
.lp-solution {
  background: var(--bg-secondary);
}
.lp-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.lp-flow-item {
  display: flex;
  gap: 16px;
  position: relative;
  padding-bottom: 28px;
}
.lp-flow-item:last-child { padding-bottom: 0; }
.lp-flow-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), rgba(232, 184, 109, 0.1));
}
.lp-flow-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  position: relative;
  z-index: 1;
}
.lp-flow-content {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.lp-flow-content h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--accent-cyan);
}
.lp-flow-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.lp-flow-tag {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  background: var(--accent-cyan-glow);
  border-radius: 100px;
  font-size: 11px;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* 数据指标 */
.lp-metrics {
  background: var(--bg-primary);
}
.lp-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.lp-metric {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
}
.lp-metric:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.lp-metric-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
  line-height: 1.1;
}
.lp-metric-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 核心能力卡片 */
.lp-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lp-feature {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.lp-feature::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-accent);
}
.lp-feature:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateX(4px);
}
.lp-feature-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.lp-feature-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.lp-feature h3 {
  font-size: 15px;
  font-weight: 600;
}
.lp-feature p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 留资表单 */
.lp-form-section {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.lp-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
}
.lp-form .form-group { margin-bottom: 16px; }
.lp-form .form-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}
.lp-form .form-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}
.lp-form .form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}
.lp-form textarea.form-input {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}
.lp-form select.form-input {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23E8B86D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.lp-form select.form-input option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.lp-form-submit {
  width: 100%;
  padding: 15px;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 4px;
}
.lp-form-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(232, 184, 109, 0.35);
}
.lp-form-success {
  display: none;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.4);
  color: #00E676;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
  text-align: center;
}
.lp-form-success.show { display: block; }
.lp-form-note {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.6;
}

/* 页脚 */
.lp-footer {
  padding: 32px 24px 100px;
  text-align: center;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}
.lp-footer-brand {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.lp-footer p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.8;
}
.lp-footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 14px;
}
.lp-footer-links a {
  font-size: 12px;
  color: var(--text-muted);
}
.lp-footer-links a:hover { color: var(--accent-cyan); }

/* 底部悬浮 CTA */
.lp-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-active);
  z-index: 600;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
}
.lp-sticky-bar input {
  flex: 1;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
}
.lp-sticky-bar input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}
.lp-sticky-bar input::placeholder { color: var(--text-muted); }
.lp-sticky-bar button {
  flex-shrink: 0;
  padding: 12px 22px;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  animation: lp-glow 1.8s ease-in-out infinite;
}

/* 动画 */
@keyframes lp-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
@keyframes lp-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(232, 184, 109, 0.2); }
  50% { box-shadow: 0 0 20px rgba(232, 184, 109, 0.5); }
}
@keyframes lp-fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.lp-fade-in {
  animation: lp-fade-up 0.5s ease forwards;
  opacity: 0;
}

/* ============================================== */
/* ===== PPT 内容扩展样式 ===== */
/* ============================================== */

/* 五层架构 */
.arch-layers {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}
.arch-layer {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.arch-layer:hover {
  border-color: var(--border-active);
  transform: translateX(4px);
}
.arch-layer-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-cyan);
}
.arch-layer-body { flex: 1; }
.arch-layer-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.arch-layer-title .weight {
  font-size: 12px;
  color: var(--accent-cyan);
  margin-left: 8px;
}
.arch-layer-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 十步闭环 */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.loop-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
}
.loop-item:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.loop-item-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 12px;
}
.loop-item-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.loop-item-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 设计理念 */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.philosophy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.philosophy-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gradient-accent);
}
.philosophy-card:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}
.philosophy-icon {
  font-size: 28px;
  margin-bottom: 14px;
}
.philosophy-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.philosophy-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 八大智能体 */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.agent-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  transition: var(--transition);
  text-align: center;
}
.agent-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.agent-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-cyan-glow);
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}
.agent-card h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.agent-card p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* GEO 矩阵 */
.geo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.geo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}
.geo-card:hover {
  border-color: var(--border-active);
}
.geo-platform {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.geo-strategy {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}
.geo-target {
  font-size: 12px;
  color: var(--accent-cyan);
  font-weight: 500;
}

/* 竞品对比表 */
.competitor-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}
.competitor-table th,
.competitor-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  line-height: 1.6;
}
.competitor-table th {
  background: var(--bg-card);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}
.competitor-table th.highlight {
  color: var(--accent-cyan);
}
.competitor-table td:first-child {
  font-weight: 600;
  color: var(--text-secondary);
}
.competitor-table tr:hover td {
  background: var(--bg-card);
}

/* 响应式 */
@media (max-width: 768px) {
  .loop-grid { grid-template-columns: repeat(2, 1fr); }
  .philosophy-grid { grid-template-columns: 1fr; }
  .agent-grid { grid-template-columns: 1fr 1fr; }
  .geo-grid { grid-template-columns: 1fr; }
  .competitor-table { font-size: 12px; }
  .competitor-table th, .competitor-table td { padding: 12px 10px; }
}

/* 抖音落地页桌面端居中 */
@media (min-width: 481px) {
  body { background: #070A10; }
  .lp-page { margin-top: 0; }
}

/* ============================================== */
/* ===== 后台子页面通用扩展样式 ===== */
/* ============================================== */

/* 筛选栏 */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-label {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.filter-input {
  padding: 8px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  transition: var(--transition);
  min-width: 140px;
}
.filter-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}
.filter-input::placeholder { color: var(--text-muted); }
select.filter-input {
  cursor: pointer;
  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 24 24' fill='none' stroke='%23E8B86D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}
select.filter-input option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.filter-actions {
  margin-left: auto;
  display: flex;
  gap: 10px;
}
.filter-actions .btn { padding: 8px 18px; font-size: 13px; }

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
}
.pagination-info {
  font-size: 13px;
  color: var(--text-muted);
}
.pagination-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover:not(:disabled) {
  border-color: var(--border-active);
  color: var(--accent-cyan);
}
.page-btn.active {
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border-color: transparent;
  font-weight: 600;
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.page-ellipsis {
  color: var(--text-muted);
  padding: 0 4px;
  font-size: 13px;
}

/* 开关 */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  transition: var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--text-muted);
  border-radius: 50%;
  transition: var(--transition);
}
.toggle-switch input:checked + .toggle-slider {
  background: var(--accent-cyan-glow);
  border-color: var(--accent-cyan);
}
.toggle-switch input:checked + .toggle-slider::before {
  left: 22px;
  background: var(--accent-cyan);
}

/* 详情/配置表单 */
.detail-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  max-width: 720px;
}
.detail-form .form-group { margin-bottom: 24px; }
.detail-form .form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: block;
}
.detail-form .form-input,
.detail-form textarea.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}
.detail-form .form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}
.detail-form textarea.form-input {
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
}
.detail-form select.form-input {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23E8B86D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.detail-form select.form-input option {
  background: var(--bg-secondary);
}
.detail-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-actions {
  display: flex;
  gap: 12px;
  padding-top: 8px;
}

/* 信息展示行 */
.info-row {
  display: flex;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}
.info-row:last-child { border-bottom: none; }
.info-label {
  width: 140px;
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-muted);
}
.info-value {
  font-size: 14px;
  color: var(--text-primary);
  flex: 1;
}

/* 状态指示器 */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.status-dot.online { background: #00E676; box-shadow: 0 0 6px #00E676; }
.status-dot.offline { background: var(--text-muted); }
.status-dot.warning { background: #FFC107; box-shadow: 0 0 6px #FFC107; }
.status-dot.danger { background: #FF5252; box-shadow: 0 0 6px #FF5252; }

/* 表格操作按钮 */
.table-actions {
  display: flex;
  gap: 8px;
}
.table-btn {
  padding: 4px 12px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.table-btn:hover {
  border-color: var(--border-active);
  color: var(--accent-cyan);
}
.table-btn.danger:hover {
  border-color: rgba(255, 82, 82, 0.4);
  color: #FF5252;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 16px; }
.empty-state p { font-size: 14px; }

/* 响应式 */
@media (max-width: 768px) {
  .filter-bar { flex-direction: column; align-items: stretch; gap: 12px; }
  .filter-actions { margin-left: 0; }
  .detail-form { padding: 20px; }
  .detail-form .form-row { grid-template-columns: 1fr; }
  .info-label { width: 100px; }
  .pagination { flex-direction: column; gap: 12px; }
}

/* ============================================== */
/* ===== 知识库上传页面样式 ===== */
/* ============================================== */

/* 上传区域整体 */
.upload-page {
  max-width: 900px;
}

/* 面包屑导航 */
.upload-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.upload-breadcrumb a {
  color: var(--accent-cyan);
  transition: var(--transition);
}
.upload-breadcrumb a:hover {
  text-decoration: underline;
}

/* 拖拽上传区 */
.upload-zone {
  position: relative;
  border: 2px dashed var(--border-active);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  background: var(--bg-card);
  transition: var(--transition);
  cursor: pointer;
  margin-bottom: 24px;
}
.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}
.upload-icon {
  font-size: 56px;
  margin-bottom: 16px;
  display: block;
  line-height: 1;
}
.upload-zone-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.upload-zone-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.upload-zone-formats {
  font-size: 12px;
  color: var(--text-muted);
}
.upload-zone-formats strong {
  color: var(--accent-cyan);
}
.upload-zone input[type="file"] {
  display: none;
}
.upload-zone-btn {
  display: inline-block;
  padding: 10px 28px;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}
.upload-zone-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(232, 184, 109, 0.35);
}

/* 上传配置表单 */
.upload-config {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}
.upload-config-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.upload-config .form-group { margin-bottom: 24px; }
.upload-config .form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: block;
}
.upload-config .form-label .required {
  color: #FF5252;
  margin-left: 2px;
}
.upload-config .form-input,
.upload-config textarea.form-input,
.upload-config select.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}
.upload-config .form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}
.upload-config textarea.form-input {
  resize: vertical;
  min-height: 90px;
  font-family: inherit;
}
.upload-config select.form-input {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23E8B86D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.upload-config select.form-input option {
  background: var(--bg-secondary);
}
.upload-config .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* 分类标签选择 */
.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.category-tag {
  padding: 8px 18px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}
.category-tag:hover {
  border-color: var(--border-active);
  color: var(--accent-cyan);
}
.category-tag.selected {
  background: var(--accent-cyan-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* 高级配置折叠 */
.advanced-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 12px 0;
  border-top: 1px solid var(--border-color);
  margin-top: 8px;
}
.advanced-toggle .arrow {
  transition: transform 0.3s ease;
  font-size: 12px;
}
.advanced-toggle.open .arrow {
  transform: rotate(90deg);
}
.advanced-content {
  display: none;
  padding-top: 16px;
}
.advanced-content.open {
  display: block;
}

/* 已选文件列表 */
.file-list-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  margin-bottom: 24px;
}
.file-list-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.file-list-title .count {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
}
.file-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.file-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.file-item:hover {
  border-color: var(--border-active);
}
.file-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.file-icon.pdf { background: rgba(255, 82, 82, 0.12); }
.file-icon.doc { background: rgba(232, 184, 109, 0.12); }
.file-icon.xls { background: rgba(0, 230, 118, 0.12); }
.file-icon.txt { background: rgba(107, 123, 148, 0.12); }
.file-info {
  flex: 1;
  min-width: 0;
}
.file-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.file-status {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.file-status.waiting { color: var(--text-muted); }
.file-status.uploading { color: var(--accent-cyan); }
.file-status.success { color: #00E676; }
.file-status.error { color: #FF5252; }
.file-progress {
  width: 100px;
  height: 6px;
  background: var(--bg-card);
  border-radius: 100px;
  overflow: hidden;
  flex-shrink: 0;
}
.file-progress-bar {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 100px;
  transition: width 0.3s ease;
}
.file-remove {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.file-remove:hover {
  background: rgba(255, 82, 82, 0.12);
  color: #FF5252;
}

/* 底部操作按钮 */
.upload-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 16px 0;
}
.upload-actions .btn {
  padding: 12px 32px;
  font-size: 15px;
}

/* 上传提示 */
.upload-tips {
  background: rgba(232, 184, 109, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.upload-tips-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.upload-tips ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.upload-tips li {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
  line-height: 1.7;
}
.upload-tips li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--accent-cyan);
}

/* 响应式 */
@media (max-width: 768px) {
  .upload-zone { padding: 32px 16px; }
  .upload-config,
  .file-list-section { padding: 20px; }
  .upload-config .form-row { grid-template-columns: 1fr; }
  .file-item { flex-wrap: wrap; }
  .file-progress { width: 80px; }
}

/* ============================================== */
/* ===== 小程序展示页（手机预览框） ===== */
/* ============================================== */

.mp-showcase {
  padding: 60px 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.mp-showcase-hero {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.mp-showcase-text h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 36px;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
}

.mp-showcase-text .mp-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(125, 211, 160, 0.1);
  border: 1px solid rgba(125, 211, 160, 0.2);
  font-size: 12px;
  color: var(--green, #7DD3A0);
  margin-bottom: 20px;
}

.mp-showcase-text .mp-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green, #7DD3A0);
  box-shadow: 0 0 6px var(--green, #7DD3A0);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.mp-showcase-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.mp-showcase-text .mp-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mp-showcase-text .mp-actions .btn-primary {
  background: var(--gradient-accent);
  color: #0D1117;
  padding: 12px 28px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mp-showcase-text .mp-actions .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(232, 184, 109, 0.3);
}

.mp-showcase-text .mp-actions .btn-ghost {
  background: rgba(232, 184, 109, 0.08);
  color: var(--accent-gold);
  border: 1px solid var(--border-accent);
  padding: 12px 28px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.3s ease;
}

.mp-showcase-text .mp-actions .btn-ghost:hover {
  background: rgba(232, 184, 109, 0.15);
}

/* 手机预览框 */
.phone-frame {
  width: 320px;
  height: 640px;
  border-radius: 40px;
  background: #0D1117;
  border: 3px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(232, 184, 109, 0.1);
  overflow: hidden;
  position: relative;
  margin: 0 auto;
}

/* 手机刘海 */
.phone-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 24px;
  background: #0D1117;
  border-radius: 0 0 16px 16px;
  z-index: 10;
}

.phone-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 37px;
}

/* 手机框悬浮装饰 */
.phone-glow {
  position: absolute;
  top: -20px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(232, 184, 109, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* 功能亮点网格 */
.mp-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}

.mp-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px 24px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.mp-feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.mp-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.mp-feature-card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.mp-feature-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 页面预览标签 */
.mp-tabs-preview {
  display: flex;
  gap: 8px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.mp-tab-chip {
  padding: 8px 18px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.mp-tab-chip.active,
.mp-tab-chip:hover {
  background: rgba(232, 184, 109, 0.08);
  border-color: var(--border-accent);
  color: var(--accent-gold);
}

/* 合规提示条 */
.mp-compliance {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-radius: 12px;
  background: rgba(240, 160, 75, 0.06);
  border: 1px solid rgba(240, 160, 75, 0.15);
  margin-bottom: 40px;
}

.mp-compliance-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.mp-compliance-text {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.mp-compliance-text strong {
  color: var(--accent-gold);
}

/* 响应式 */
@media (max-width: 900px) {
  .mp-showcase-hero {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .mp-showcase-text h1 {
    font-size: 28px;
  }

  .mp-showcase-text .mp-actions {
    justify-content: center;
  }

  .phone-frame {
    width: 280px;
    height: 560px;
  }
}

@media (max-width: 480px) {
  .mp-showcase {
    padding: 30px 16px;
  }

  .mp-showcase-text h1 {
    font-size: 24px;
  }

  .phone-frame {
    width: 260px;
    height: 520px;
  }

  .mp-features {
    grid-template-columns: 1fr;
  }
}