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

:root {
  --color-primary: #F97316;
  --color-primary-hover: #EA580C;
  --color-dark: #1a1a1a;
  --color-dark-secondary: #2d2d2d;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-text-light: #999999;
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F9FAFB;
  --color-border: #E5E7EB;
  --color-white: #FFFFFF;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航栏 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 15px;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

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

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

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

/* 汉堡菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

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

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== 页面标题区 ===== */
.page-hero {
  padding: 140px 0 80px;
  background: var(--color-dark);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(249,115,22,0.15) 0%, transparent 60%);
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ===== 通用区块 ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 17px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-header .subtitle-accent {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

/* ===== 首页 Banner ===== */
.banner {
  padding: 160px 0 100px;
  background: var(--color-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(249,115,22,0.12) 0%, transparent 50%),
              radial-gradient(ellipse at 30% 80%, rgba(249,115,22,0.08) 0%, transparent 40%);
}

.banner .container {
  position: relative;
  z-index: 1;
}

.banner-content {
  max-width: 680px;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(249,115,22,0.15);
  border: 1px solid rgba(249,115,22,0.3);
  border-radius: 100px;
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 24px;
}

.banner h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.banner h1 span {
  color: var(--color-primary);
}

.banner p {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 540px;
}

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(249,115,22,0.3);
}

.btn-outline {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.25);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(249,115,22,0.08);
}

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

.btn-outline-dark:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== 首页业务概览 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 40px 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: default;
}

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

.service-card .icon {
  width: 52px;
  height: 52px;
  background: rgba(249,115,22,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-dark);
}

.service-card p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== 数据统计 ===== */
.stats {
  background: var(--color-bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: 44px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 15px;
  color: var(--color-text-secondary);
}

/* ===== 新闻列表（首页 & 列表页） ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.news-card .thumb {
  width: 100%;
  height: 200px;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--color-text-light);
}

.news-card .body {
  padding: 24px;
}

.news-card .meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.news-card .meta .tag {
  padding: 2px 10px;
  background: rgba(249,115,22,0.1);
  color: var(--color-primary);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}

.news-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 新闻标签筛选 ===== */
.news-filters {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.news-filters button {
  padding: 8px 24px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.news-filters button:hover,
.news-filters button.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 56px;
}

.pagination button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

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

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== 新闻详情页 ===== */
.article-wrap {
  padding: 140px 0 80px;
}

.article-container {
  max-width: 800px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: var(--transition);
}

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

.breadcrumb .sep {
  color: var(--color-text-light);
}

.article-header {
  margin-bottom: 40px;
}

.article-header h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.3;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  color: var(--color-text-light);
  flex-wrap: wrap;
}

.article-meta .tag {
  padding: 2px 12px;
  background: rgba(249,115,22,0.1);
  color: var(--color-primary);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}

.article-body {
  font-size: 17px;
  line-height: 1.9;
  color: var(--color-text);
}

.article-body h2 {
  font-size: 26px;
  font-weight: 600;
  margin: 48px 0 16px;
  color: var(--color-dark);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 36px 0 12px;
  color: var(--color-dark);
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: normal;
  color: var(--color-text-secondary);
}

.article-body blockquote p {
  margin-bottom: 0;
}

/* 文章导航（上/下篇） */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.article-nav a {
  padding: 20px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.article-nav a:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.article-nav .label {
  font-size: 12px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.article-nav .title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
}

.article-nav .next {
  text-align: right;
}

.article-nav .prev:only-child,
.article-nav .next:only-child {
  grid-column: 1 / -1;
}

.article-nav .next:only-child {
  text-align: right;
}

/* ===== 关于我们 ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 24px;
}

.about-text p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  color: var(--color-text-light);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.value-card {
  padding: 32px;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.value-card .icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.value-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* ===== 服务详情 ===== */
.service-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.service-detail-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail-item:last-child {
  border-bottom: none;
}

.service-detail-item:nth-child(even) .service-info {
  order: 2;
}

.service-detail-item:nth-child(even) .service-visual {
  order: 1;
}

.service-info .icon-big {
  width: 60px;
  height: 60px;
  background: rgba(249,115,22,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.service-info h3 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-dark);
}

.service-info p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-info ul {
  padding-left: 0;
}

.service-info ul li {
  padding-left: 24px;
  position: relative;
  margin-bottom: 8px;
  color: var(--color-text-secondary);
}

.service-info ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.service-visual {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  color: var(--color-text-light);
}

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item .icon {
  width: 48px;
  height: 48px;
  background: rgba(249,115,22,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-dark);
}

.contact-item p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.contact-map {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-bg-secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--color-text-light);
}

/* ===== 新闻相关推荐 ===== */
.related-news {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.related-news h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--color-dark);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.related-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.related-card .date {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.related-card h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

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

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ===== 右侧客服悬浮按钮 ===== */
.float-consult {
  position: fixed;
  right: 24px;
  bottom: 120px;
  z-index: 999;
}

.float-consult a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 22px;
  box-shadow: 0 4px 16px rgba(249,115,22,0.35);
  transition: var(--transition);
}

.float-consult a:hover {
  background: var(--color-primary-hover);
  transform: scale(1.08);
  box-shadow: 0 8px 24px rgba(249,115,22,0.45);
}

/* ===== 返回顶部 ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 56px;
  z-index: 999;
  width: 44px;
  height: 44px;
  background: var(--color-dark);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-top:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-content { gap: 40px; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .menu-toggle { display: flex; }

  .banner { padding: 120px 0 80px; min-height: auto; }
  .banner h1 { font-size: 34px; }
  .banner p { font-size: 16px; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 28px; }

  .page-hero { padding: 120px 0 60px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p { font-size: 16px; }

  .services-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item h3 { font-size: 32px; }

  .about-content { grid-template-columns: 1fr; gap: 32px; }
  .values-grid { grid-template-columns: 1fr; }
  .service-detail-item { grid-template-columns: 1fr; gap: 32px; }
  .service-detail-item:nth-child(even) .service-info { order: 0; }
  .service-detail-item:nth-child(even) .service-visual { order: 0; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .article-wrap { padding: 120px 0 60px; }
  .article-header h1 { font-size: 26px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }

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

  .news-filters { gap: 8px; }
  .news-filters button { padding: 6px 16px; font-size: 13px; }

  .float-consult { right: 16px; bottom: 100px; }
  .float-consult a { width: 44px; height: 44px; font-size: 18px; }
  .back-top { right: 16px; bottom: 44px; width: 38px; height: 38px; }
}