/* ===== 大象数码回收官网主样式 ===== */

/* CSS 变量 */
:root {
  --primary: #1a6b3c;        /* 主色：深绿，象征专业、环保 */
  --primary-light: #2e8b57;
  --primary-dark: #0f4428;
  --accent: #f5a623;         /* 强调色：金黄 */
  --accent-dark: #d4881a;
  --text-dark: #1a1a1a;
  --text-body: #333333;
  --text-muted: #666666;
  --text-light: #999999;
  --bg-white: #ffffff;
  --bg-light: #f7f9f7;
  --bg-section: #f0f5f1;
  --border: #e0e8e2;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --font-main: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

/* ===== 容器 ===== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 通用节标题 ===== */
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.8;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-sub {
  margin: 0 auto;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 20px;
  max-width: 1160px;
  margin: 0 auto;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Logo 图片（真实图片版） */
.nav-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

/* 保留旧 icon 类以防其他地方引用 */
.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-logo-icon svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-logo-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
}

.nav-logo-tagline {
  font-size: 11px;
  color: var(--text-muted);
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 14px;
  color: var(--text-body);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* 导航CTA */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.btn-nav-phone svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: white;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26,107,60,0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--primary);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--primary);
  transition: all var(--transition);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
}

/* 汉堡菜单（移动端） */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== 英雄区 ===== */
.hero {
  padding: 130px 0 80px;
  background: linear-gradient(135deg, #f0f7f3 0%, #e8f4ec 50%, #f5f9f6 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26,107,60,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(26,107,60,0.1);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-title .highlight {
  color: var(--primary);
  position: relative;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 6px;
  background: rgba(26,107,60,0.15);
  z-index: -1;
  border-radius: 3px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(26,107,60,0.3);
}

.btn-hero-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,107,60,0.4);
  color: white;
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
}

.btn-hero-secondary:hover {
  color: var(--primary-dark);
}

.btn-hero-secondary svg {
  transition: transform var(--transition);
}

.btn-hero-secondary:hover svg {
  transform: translateX(4px);
}

/* 英雄统计 */
.hero-stats {
  display: flex;
  gap: 32px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 英雄卡片区 */
.hero-visual {
  position: relative;
}

.hero-card-main {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.hero-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-card-title svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.hero-price-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-price-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
}

.hero-price-item-name {
  font-size: 14px;
  color: var(--text-body);
  font-weight: 500;
}

.hero-price-item-tag {
  font-size: 13px;
  color: var(--primary);
  font-weight: 700;
  background: rgba(26,107,60,0.1);
  padding: 3px 10px;
  border-radius: 20px;
}

.hero-card-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 浮动小卡片 */
.hero-float-card {
  position: absolute;
  background: white;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 3;
}

.hero-float-1 {
  top: -20px;
  right: -20px;
}

.hero-float-2 {
  bottom: -20px;
  left: -20px;
}

.hero-float-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-float-icon.green {
  background: rgba(26,107,60,0.1);
  color: var(--primary);
}

.hero-float-icon.orange {
  background: rgba(245,166,35,0.15);
  color: var(--accent-dark);
}

.hero-float-icon svg {
  width: 18px;
  height: 18px;
}

.hero-float-info strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
}

.hero-float-info span {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== 信任条带 ===== */
.trust-bar {
  background: var(--primary);
  padding: 18px 0;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 500;
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

/* ===== 服务项目 ===== */
.services {
  padding: 96px 0;
  background: var(--bg-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

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

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(26,107,60,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.service-icon svg {
  width: 26px;
  height: 26px;
}

.service-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.service-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tag {
  font-size: 12px;
  color: var(--primary);
  background: rgba(26,107,60,0.08);
  padding: 3px 10px;
  border-radius: 20px;
}

/* ===== 流程步骤 ===== */
.process {
  padding: 96px 0;
  background: var(--bg-section);
}

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

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--primary) 0px,
    var(--primary) 8px,
    transparent 8px,
    transparent 16px
  );
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step-num {
  width: 72px;
  height: 72px;
  background: var(--bg-white);
  border: 3px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.process-step:hover .process-step-num {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
}

.process-step-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.process-step-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 平台优势 ===== */
.advantages {
  padding: 96px 0;
  background: var(--bg-white);
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.advantages-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.advantage-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.advantage-icon {
  width: 48px;
  height: 48px;
  background: rgba(26,107,60,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.advantage-icon svg {
  width: 24px;
  height: 24px;
}

.advantage-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.advantage-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 优势卡片视觉 */
.advantages-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.adv-stat-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}

.adv-stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.adv-stat-card:first-child {
  grid-column: 1 / -1;
  background: var(--primary);
  color: white;
}

.adv-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.adv-stat-card:first-child .adv-stat-num {
  color: white;
}

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

.adv-stat-card:first-child .adv-stat-label {
  color: rgba(255,255,255,0.8);
}

/* ===== 价格参考 ===== */
.pricing {
  padding: 96px 0;
  background: var(--bg-section);
}

.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.pricing-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-white);
  transition: all var(--transition);
}

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

.pricing-table-wrap {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: none;
}

.pricing-table-wrap.active {
  display: block;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
}

.pricing-table thead {
  background: var(--primary);
  color: white;
}

.pricing-table th {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
}

.pricing-table td {
  padding: 14px 20px;
  font-size: 14px;
  color: var(--text-body);
  border-bottom: 1px solid var(--border);
}

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

.pricing-table tbody tr:hover {
  background: var(--bg-light);
}

.price-range {
  color: var(--primary);
  font-weight: 700;
}

.price-condition {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

.pricing-note {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.pricing-note a {
  color: var(--primary);
  font-weight: 600;
}

/* ===== 城市覆盖 ===== */
.coverage {
  padding: 96px 0;
  background: var(--bg-white);
}

.coverage-cities {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.coverage-city {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-body);
  font-weight: 500;
  transition: all var(--transition);
}

.coverage-city svg {
  width: 14px;
  height: 14px;
  color: var(--primary);
  flex-shrink: 0;
}

.coverage-city:hover {
  background: rgba(26,107,60,0.08);
  color: var(--primary);
}

.coverage-desc {
  margin-top: 24px;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq {
  padding: 96px 0;
  background: var(--bg-section);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  transition: color var(--transition);
  font-family: var(--font-main);
}

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

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: 12px;
  transition: all var(--transition);
}

.faq-icon svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--primary);
  color: white;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

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

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin: 0 24px;
  margin-bottom: 20px;
}

/* ===== CTA 区 ===== */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-inner p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--primary);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  color: var(--primary-dark);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: white;
  border: 2px solid rgba(255,255,255,0.5);
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}

.btn-cta-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
  color: white;
}

.cta-contact-info {
  margin-top: 28px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.cta-contact-info strong {
  color: var(--accent);
}

/* ===== 页脚 ===== */
.footer {
  background: #0a2a18;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 页脚真实Logo图片 */
.footer-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

/* 保留旧icon类 */
.footer-logo-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo-icon svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.footer-logo-name {
  font-size: 16px;
  font-weight: 700;
  color: white;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-contact {
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.footer-contact-item strong {
  color: white;
}

.footer-section h4 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

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

/* 旧的单二维码布局（保留备用） */
.footer-wechat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-qr-placeholder {
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  text-align: center;
  padding: 8px;
  line-height: 1.4;
}

/* 新双二维码布局 */
.footer-qr-group {
  display: flex;
  gap: 12px;
}

.footer-qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.footer-qr-img {
  width: 90px;
  height: 90px;
  border-radius: 8px;
  object-fit: cover;
  background: white;
  padding: 3px;
}

.footer-qr-item span {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-icp {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ===== 浮动咨询按钮 ===== */
.float-consult {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  border: none;
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-btn-phone {
  background: var(--primary);
  color: white;
}

.float-btn-wechat {
  background: #07c160;
  color: white;
}

.float-btn-top {
  background: white;
  color: var(--primary);
  border: 2px solid var(--border);
}

.float-btn svg {
  width: 22px;
  height: 22px;
}

.float-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  white-space: nowrap;
  background: var(--text-dark);
  color: white;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  pointer-events: none;
  opacity: 0;
  transform: translateX(4px);
  transition: all var(--transition);
}

.float-tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--text-dark);
  border-right: none;
}

.float-btn:hover .float-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.2rem; }
  .hero-grid { gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: white;
    padding: 24px 20px;
    box-shadow: var(--shadow-md);
    gap: 20px;
    z-index: 999;
  }

  .nav-menu.open + .nav-cta {
    display: flex;
    padding: 0 20px 24px;
    position: fixed;
    top: 68px;
    /* ... handled via JS */
  }

  .hero { padding: 100px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .hero-title { font-size: 2rem; }
  .hero-stats { gap: 20px; }
  
  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  
  .advantages-grid { grid-template-columns: 1fr; }
  .advantages-visual { order: -1; }
  
  .section-title { font-size: 1.6rem; }
  .cta-inner h2 { font-size: 1.8rem; }
  
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  
  .trust-bar-inner { gap: 24px; }
  
  .coverage-cities { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.7rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .process-steps { grid-template-columns: 1fr; }
  .coverage-cities { grid-template-columns: repeat(2, 1fr); }
  .cta-actions { flex-direction: column; align-items: center; }
  .pricing-tabs { justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
}

/* ===== 动效辅助 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }