/* ===== 聚发刻章 - 全局样式 ===== */
:root {
  --primary: #1A3A6B;
  --primary-dark: #122a4f;
  --primary-light: #2a5298;
  --accent: #C0392B;
  --accent-gold: #D4A017;
  --accent-gold-light: #f0d78c;
  --text: #333333;
  --text-secondary: #666666;
  --text-light: #999999;
  --bg: #ffffff;
  --bg-light: #f5f7fa;
  --bg-dark: #0f2440;
  --border: #e4e7ed;
  --shadow: 0 4px 20px rgba(26, 58, 107, 0.08);
  --shadow-hover: 0 8px 30px rgba(26, 58, 107, 0.15);
  --radius: 8px;
  --radius-lg: 12px;
  --header-height: 72px;
  --font-title: 'SimSun', 'STSong', 'Songti SC', serif;
  --font-body: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section--gray {
  background: var(--bg-light);
}

.section--dark {
  background: var(--bg-dark);
  color: #fff;
}

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

.section-header h2 {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.section--dark .section-header h2 {
  color: #fff;
}

.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
}

.section--dark .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.section-header .divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #a93226 100%);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192, 57, 43, 0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #b8860b 100%);
  color: #fff;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 160, 23, 0.35);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 0;
}

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

/* ===== 顶部导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--primary);
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  flex-shrink: 0;
}

.logo-img {
  height: 42px;
  width: 42px;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  padding: 3px;
  flex-shrink: 0;
}

.logo--footer .logo-img {
  height: 52px;
  width: 52px;
  padding: 4px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-gold), #b8860b);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: bold;
  color: var(--primary-dark);
}

.logo-text {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 3px;
}

.logo-text span {
  color: var(--accent-gold);
}

.nav {
  display: flex;
  gap: 8px;
}

.nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav a:hover,
.nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-phone {
  color: var(--accent-gold);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

.header-phone small {
  display: block;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
}

/* ===== 服务范围提示条 ===== */
.service-area-bar {
  margin-top: var(--header-height);
  background: linear-gradient(90deg, var(--accent-gold) 0%, #e8c547 100%);
  color: var(--primary-dark);
  text-align: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ===== Banner 轮播 ===== */
.hero {
  margin-top: 0;
  position: relative;
  height: 560px;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 36, 64, 0.85) 0%, rgba(26, 58, 107, 0.6) 100%);
}

.hero-slide--1 {
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 560"><rect fill="%231A3A6B" width="1200" height="560"/><circle cx="900" cy="280" r="180" fill="%23C0392B" opacity="0.15"/><circle cx="200" cy="400" r="120" fill="%23D4A017" opacity="0.1"/></svg>');
}

.hero-slide--2 {
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 560"><rect fill="%23122a4f" width="1200" height="560"/><rect x="700" y="100" width="300" height="360" rx="20" fill="%23D4A017" opacity="0.08"/></svg>');
}

.hero-slide--3 {
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 560"><rect fill="%230f2440" width="1200" height="560"/><polygon points="800,80 1100,280 800,480" fill="%23C0392B" opacity="0.12"/></svg>');
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
  color: #fff;
}

.hero-content h1 {
  font-family: var(--font-title);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.hero-content .subtitle {
  font-size: 20px;
  margin-bottom: 12px;
  opacity: 0.95;
}

.hero-content .tagline {
  font-size: 16px;
  color: var(--accent-gold);
  margin-bottom: 32px;
  letter-spacing: 1px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.hero-dot.active {
  background: var(--accent-gold);
  width: 32px;
  border-radius: 6px;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 2;
  transition: background var(--transition);
  backdrop-filter: blur(4px);
}

.hero-arrow:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hero-arrow--prev { left: 24px; }
.hero-arrow--next { right: 24px; }

/* ===== 服务卡片 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid transparent;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-gold-light);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.service-card h3 {
  font-family: var(--font-title);
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  min-height: 75px;
}

.service-card .price {
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 16px;
}

.service-card .actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ===== 优势宫格 ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.advantage-item {
  text-align: center;
  padding: 32px 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.advantage-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.advantage-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.advantage-item h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 600;
}

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

/* ===== 流程步骤 ===== */
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  position: relative;
  margin-bottom: 48px;
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  max-width: 220px;
}

.process-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -12px;
  top: 28px;
  font-size: 24px;
  color: var(--accent-gold);
  font-weight: bold;
}

.step-number {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 16px;
  box-shadow: 0 4px 15px rgba(26, 58, 107, 0.3);
}

.process-step h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 8px;
}

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

.process-step .time {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 12px;
  background: var(--bg-light);
  border-radius: 20px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}

.materials-box {
  background: #fff;
  border-left: 4px solid var(--accent-gold);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  max-width: 700px;
  margin: 0 auto;
}

.materials-box h4 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 16px;
}

.materials-box li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.materials-box li::before {
  content: '✔ ';
  color: var(--accent);
  font-weight: bold;
}

/* ===== 资质展示 ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.cert-item {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
}

.cert-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}

.cert-placeholder {
  aspect-ratio: 3/4;
  background: linear-gradient(180deg, #f8f9fb 0%, #eef1f5 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border: 1px solid var(--border);
}

.cert-placeholder .cert-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.cert-placeholder span {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}

.cert-notice {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 24px;
  background: rgba(26, 58, 107, 0.05);
  border-radius: var(--radius);
}

.cert-notice p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.cert-notice strong {
  color: var(--primary);
}

/* ===== 数据统计 ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item .number {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item .label {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
}

/* ===== 客户评价 ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  position: relative;
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  left: 24px;
  font-size: 60px;
  color: var(--accent-gold);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.review-stars {
  color: var(--accent-gold);
  font-size: 16px;
  margin-bottom: 16px;
}

.review-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.review-author {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  text-align: right;
}

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

.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--primary);
  text-align: left;
  font-family: var(--font-body);
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question .arrow {
  font-size: 12px;
  transition: transform var(--transition);
  color: var(--text-light);
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

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

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand h3 {
  font-family: var(--font-title);
  font-size: 22px;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-brand .logo {
  margin-top: 20px;
}

.footer-slogan {
  margin-top: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  letter-spacing: 0.5px;
}

.footer-nav h4,
.footer-contact h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-nav a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--accent-gold);
}

.footer-contact li {
  padding: 6px 0;
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-contact .icon {
  flex-shrink: 0;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--accent-gold);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.8;
}

/* ===== 悬浮联系按钮 ===== */
.float-contact {
  position: fixed;
  right: 24px;
  bottom: 100px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: all var(--transition);
  position: relative;
}

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

.float-btn--phone {
  background: linear-gradient(135deg, var(--accent), #a93226);
}

.float-btn--wechat {
  background: linear-gradient(135deg, #07c160, #06ad56);
}

.float-btn--top {
  background: var(--primary);
  font-size: 18px;
}

.float-btn .tooltip {
  position: absolute;
  right: 62px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.float-btn:hover .tooltip {
  opacity: 1;
}

/* ===== 子页面通用 ===== */
.page-banner {
  margin-top: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 60px 0;
  text-align: center;
  color: #fff;
}

.page-banner h1 {
  font-family: var(--font-title);
  font-size: 36px;
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.page-banner p {
  font-size: 16px;
  opacity: 0.8;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  justify-content: center;
  margin-top: 16px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
  color: var(--accent-gold);
}

/* ===== 产品页 ===== */
.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-detail-card {
  display: flex;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.product-detail-card:hover {
  box-shadow: var(--shadow-hover);
}

.product-detail-card .icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

.product-detail-card h3 {
  font-family: var(--font-title);
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 8px;
}

.product-detail-card .desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.product-detail-card .features {
  font-size: 13px;
  color: var(--text-light);
}

.product-detail-card .features li {
  padding: 3px 0;
}

.product-detail-card .features li::before {
  content: '• ';
  color: var(--accent-gold);
}

/* ===== 新闻页 ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-item {
  display: flex;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}

.news-date {
  flex-shrink: 0;
  width: 80px;
  text-align: center;
}

.news-date .day {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.news-date .month {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

.news-content h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 8px;
}

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

.news-tag {
  display: inline-block;
  padding: 2px 10px;
  background: var(--bg-light);
  border-radius: 4px;
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 8px;
}

/* ===== 联系页 ===== */
.contact-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.contact-layout .contact-info-card {
  margin-bottom: 0;
}

.contact-info-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.contact-info-card h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-light);
}

.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--bg-light);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-item .icon {
  width: 44px;
  height: 44px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}

.contact-form h3 {
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group label .required {
  color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

/* ===== 流程详情页 ===== */
.process-detail {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.process-detail-item {
  display: flex;
  gap: 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}

.process-detail-item .step-badge {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--accent), #a93226);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
}

.process-detail-item h3 {
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 12px;
}

.process-detail-item p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
}

.process-detail-item .tip {
  display: inline-block;
  padding: 6px 16px;
  background: var(--bg-light);
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent);
  margin-top: 8px;
}

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

  .cert-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (max-width: 768px) {
  .header-contact .btn,
  .header-phone small {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    padding: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 16px;
  }

  .hero {
    height: 480px;
  }

  .hero-content h1 {
    font-size: 28px;
  }

  .hero-content .subtitle {
    font-size: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section-header h2 {
    font-size: 26px;
  }

  .services-grid,
  .advantages-grid,
  .reviews-grid,
  .product-detail-grid,
  .contact-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .process-steps {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .process-step:not(:last-child)::after {
    content: '↓';
    position: static;
    display: block;
    margin-top: 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .news-item {
    flex-direction: column;
  }

  .process-detail-item {
    flex-direction: column;
    text-align: center;
  }

  .process-detail-item .step-badge {
    margin: 0 auto;
  }

  .float-contact {
    right: 16px;
    bottom: 80px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stat-item .number {
    font-size: 36px;
  }
}