/* ==========================================================================
   祥能官网 - 红白参考站风格 全局核心样式表
   设计基准: 1440px 桌面视口，容器 1240px，主色调中国红 #c8161d
   ========================================================================== */

:root {
  --primary-red: #c8161d;
  --primary-red-hover: #b31218;
  --primary-red-light: #fff2f2;
  --text-dark: #1a1a1a;
  --text-heading: #111111;
  --text-body: #333333;
  --text-muted: #666666;
  --text-light: #999999;
  --border-color: #ebebeb;
  --border-light: #f0f0f0;
  --bg-light: #f8f9fb;
  --bg-dark: #1f2022;
  --bg-darker: #151618;
  --footer-bg: #18191c;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --container-width: 1240px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

[hidden] {
  display: none !important;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-body);
  background-color: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  outline: none;
}

/* 容器版心 */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 顶部导航 Header */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: 82px;
  background-color: #ffffff;
  border-bottom: 1px solid #edf0f5;
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

.brand-logo {
  display: flex;
  align-items: center;
  height: 48px;
}

.brand-logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 29px 4px 27px;
  font-size: 15px;
  font-weight: 500;
  color: #222222;
  letter-spacing: 0.5px;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-red);
}

.nav-link.active {
  color: var(--primary-red);
  font-weight: 700;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--primary-red);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #222;
  margin: 5px 0;
  transition: var(--transition);
}

/* 页面内横幅 Subpage Hero Banner */
.subpage-banner {
  position: relative;
  height: 340px;
  background-image: url("../images/banner-sub.jpg?v=20260903");
  background-size: cover;
  background-position: center 30%;
  display: flex;
  align-items: center;
  color: #ffffff;
  overflow: hidden;
}

.subpage-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14, 25, 45, 0.65) 0%, rgba(20, 36, 62, 0.45) 100%);
}

.banner-content {
  position: relative;
  z-index: 2;
}

.banner-title {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #ffffff;
  margin-bottom: 6px;
  line-height: 1.2;
}

.banner-sub {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

/* 首页独有 Hero Banner (Escalator Atrium) */
.home-hero {
  position: relative;
  width: 100%;
  height: 540px;
  background-image: url("../images/hero-home.jpg?v=20260903");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

/* 面包屑导航 Breadcrumb */
.breadcrumb-wrap {
  background-color: #ffffff;
  padding: 20px 0;
  font-size: 13px;
  color: #777777;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: #777777;
}

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

.breadcrumb .sep {
  color: #cccccc;
}

.breadcrumb .current {
  color: var(--text-dark);
  font-weight: 500;
}

/* 标题样式规范 */
.section-title-wrap {
  position: relative;
  margin-bottom: 40px;
  text-align: center;
}

.section-title-wrap.left {
  text-align: left;
}

.section-eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary-red);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: 0.5px;
  position: relative;
  z-index: 2;
}

.section-title.light {
  color: #ffffff;
}

.section-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 90px;
  font-weight: 900;
  letter-spacing: 8px;
  color: rgba(0, 0, 0, 0.03);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

.section-watermark.left {
  left: 0;
  transform: translateY(-50%);
}

.red-line {
  display: block;
  width: 38px;
  height: 3px;
  background-color: var(--primary-red);
  margin-top: 12px;
}

.red-line.center {
  margin-left: auto;
  margin-right: auto;
}

/* 按钮规范 */
.btn-red {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--primary-red);
  color: #ffffff;
  padding: 11px 28px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--primary-red);
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-red:hover {
  background-color: var(--primary-red-hover);
  border-color: var(--primary-red-hover);
  box-shadow: 0 4px 14px rgba(200, 22, 29, 0.3);
  transform: translateY(-1px);
}

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #ffffff;
  padding: 10px 30px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: #111111;
  border-color: #ffffff;
}

/* 通用红头选项卡与分隔线组件 (服务内容、服务优势、服务案例) */
.service-module {
  margin-bottom: 44px;
}

.service-module-header {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 24px;
}

.service-badge {
  background-color: var(--primary-red);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  padding: 8px 24px;
  letter-spacing: 0.5px;
  z-index: 2;
  position: relative;
}

.service-module-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background-color: var(--primary-red);
  z-index: 1;
}

/* 业务卡片三列网格 */
.service-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-feature-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--primary-red);
  padding: 30px 26px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
  transition: var(--transition);
}

.service-feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.service-feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.service-feature-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 业务案例双列网格 */
.service-case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-case-card {
  display: flex;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
  transition: var(--transition);
}

.service-case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

.service-case-img {
  width: 220px;
  flex-shrink: 0;
  overflow: hidden;
}

.service-case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-case-card:hover .service-case-img img {
  transform: scale(1.05);
}

.service-case-info {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-case-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 10px;
}

.service-case-info p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* 专享服务顶部主卡片 (04-08页面顶部) */
.service-hero-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  display: flex;
  padding: 40px;
  gap: 40px;
  margin-bottom: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.service-hero-img {
  width: 440px;
  flex-shrink: 0;
  height: 300px;
  overflow: hidden;
}

.service-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-hero-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.service-hero-content .red-line {
  margin-bottom: 20px;
}

.service-hero-content p {
  font-size: 14.5px;
  color: #555555;
  line-height: 1.85;
}

/* 首页优势专区 (01-首页) */
.home-advantage-section {
  padding: 70px 0;
  background-color: #ffffff;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.06);
}

.adv-card {
  position: relative;
  height: 340px;
  overflow: hidden;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px 24px;
}

.adv-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.adv-card:hover .adv-card-bg {
  transform: scale(1.08);
}

.adv-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 40%, rgba(0,0,0,0.85) 100%);
  transition: background 0.3s ease;
}

.adv-card:hover .adv-card-overlay {
  background: linear-gradient(180deg, rgba(180,18,24,0.3) 0%, rgba(180,18,24,0.65) 50%, rgba(180,18,24,0.92) 100%);
}

.adv-card-content {
  position: relative;
  z-index: 2;
}

.adv-num {
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
  color: #ffffff;
  letter-spacing: 1px;
}

.adv-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
}

.adv-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* 首页关于专区 (01-首页) */
.home-about-section {
  padding: 80px 0;
  background-color: #ffffff;
  position: relative;
}

.home-about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.home-about-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 6px;
}

.home-about-text p {
  font-size: 14.5px;
  color: #555555;
  line-height: 1.9;
  margin-bottom: 16px;
}

.home-about-img-wrap {
  display: flex;
  justify-content: flex-end;
}

.home-about-img {
  width: 420px;
  height: 420px;
  object-fit: cover;
  border-radius: 0 40px 0 0;
}

/* 首页产品与服务深色专区 (01-首页) */
.home-product-section {
  padding: 80px 0;
  background-color: #212121;
  color: #ffffff;
}

.home-product-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.home-product-card {
  background-color: #ffffff;
  border-radius: 2px;
  overflow: hidden;
  transition: var(--transition);
  text-align: center;
}

.home-product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.home-product-card-img {
  height: 160px;
  overflow: hidden;
}

.home-product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.home-product-card:hover .home-product-card-img img {
  transform: scale(1.08);
}

.home-product-card-title {
  padding: 16px 10px;
  font-size: 16px;
  font-weight: 700;
  color: #111111;
  background-color: #ffffff;
  border-top: 1px solid #f0f0f0;
}

.home-product-card:hover .home-product-card-title {
  color: var(--primary-red);
}

/* 首页使命愿景黑金通栏 */
.home-vision-banner {
  padding: 55px 0;
  background-color: #111111;
  color: #ffffff;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.home-vision-banner h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 10px;
  color: #ffffff;
}

.home-vision-banner p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
}

/* 首页成功案例专区 */
.home-case-section {
  padding: 80px 0;
  background-color: #ffffff;
}

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

.home-case-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: var(--transition);
}

.home-case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.home-case-card-img {
  height: 200px;
  overflow: hidden;
}

.home-case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.home-case-card:hover .home-case-card-img img {
  transform: scale(1.05);
}

.home-case-card-body {
  padding: 22px 24px;
}

.home-case-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.home-case-card-body p {
  font-size: 13px;
  color: var(--text-muted);
}

/* 首页联系通栏 */
.home-contact-cta {
  position: relative;
  height: 260px;
  background-image: url("../images/hero-home.jpg?v=20260903");
  background-size: cover;
  background-position: center bottom;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.home-contact-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(14, 18, 25, 0.78);
}

.home-contact-cta-content {
  position: relative;
  z-index: 2;
}

.home-contact-cta h2 {
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
}

/* 02-关于我们 特色样式 */
.stats-counter-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid #f0f0f0;
  border-bottom: 1px solid #f0f0f0;
  margin: 50px 0;
}

.stats-counter-item .number {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary-red);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stats-counter-item .label {
  font-size: 14px;
  color: #777777;
}

.core-business-section {
  margin: 30px 0 80px;
  padding: 56px 64px 60px;
  background-color: #f7f8fa;
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--primary-red);
}

.core-business-section .section-title-wrap {
  margin-bottom: 30px;
}

.core-business-copy {
  max-width: 980px;
  margin: 0 auto;
  border-left: 3px solid var(--primary-red);
  padding: 4px 0 4px 30px;
}

.core-business-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 2.05;
  color: #555555;
}

.core-business-copy p + p {
  margin-top: 8px;
}

.core-business-copy p:last-child {
  margin-bottom: 0;
}

.culture-grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--border-color);
  margin-bottom: 70px;
}

.culture-cell {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 50px;
}

.culture-cell.img-cell {
  padding: 0;
  overflow: hidden;
}

.culture-cell.img-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.culture-cell.red-box {
  background-color: var(--primary-red);
  color: #ffffff;
}

.culture-cell.red-box h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #ffffff;
}

.culture-cell.red-box p {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.9);
}

.culture-cell.white-box {
  background-color: #ffffff;
  color: var(--text-dark);
}

.culture-cell.white-box h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-heading);
}

.culture-cell.white-box p {
  font-size: 14px;
  line-height: 1.85;
  color: #555555;
}

.social-resp-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}

.social-resp-text p {
  font-size: 14.5px;
  line-height: 1.95;
  color: #555555;
}

.social-resp-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 4px;
}

/* 03-产品服务 总览布局 */
.services-hub-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 36px;
  padding: 50px 0 80px;
}

.services-sidebar {
  background-color: #f7f8fa;
  border: 1px solid var(--border-color);
  align-self: start;
}

.services-sidebar-header {
  background-color: var(--primary-red);
  color: #ffffff;
  padding: 16px 20px;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
}

.services-sidebar-nav li a {
  display: block;
  padding: 15px 24px;
  font-size: 14px;
  color: #444444;
  border-bottom: 1px solid #edf0f5;
  transition: var(--transition);
}

.services-sidebar-nav li a:hover,
.services-sidebar-nav li.active a {
  color: var(--primary-red);
  background-color: #ffffff;
  font-weight: 600;
  padding-left: 28px;
}

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

.services-hub-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  text-align: center;
  transition: var(--transition);
  display: block;
}

.services-hub-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.services-hub-card-img {
  height: 200px;
  overflow: hidden;
}

.services-hub-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.services-hub-card:hover .services-hub-card-img img {
  transform: scale(1.05);
}

.services-hub-card-title {
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-heading);
}

.services-hub-card:hover .services-hub-card-title {
  color: var(--primary-red);
}

/* 09-成功案例 筛选与卡片 */
.case-filter-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 30px 0 40px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 22px;
  border: 1px solid #d9d9d9;
  border-radius: 20px;
  font-size: 13.5px;
  color: #555555;
  cursor: pointer;
  background-color: #ffffff;
  transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
  background-color: var(--primary-red);
  border-color: var(--primary-red);
  color: #ffffff;
}

.cases-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.case-full-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.case-full-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.09);
}

.case-full-img {
  height: 180px;
  overflow: hidden;
}

.case-full-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-full-card:hover .case-full-img img {
  transform: scale(1.06);
}

.case-full-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-tag-pill {
  font-size: 11.5px;
  color: var(--primary-red);
  background-color: var(--primary-red-light);
  padding: 3px 8px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 8px;
  align-self: flex-start;
}

.case-full-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.case-metric {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-red);
  margin-bottom: 8px;
}

.case-full-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.case-detail-link {
  margin-top: auto;
  padding-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-red);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 10-新闻资讯 样式 */
.news-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--primary-red);
  margin: 30px 0 25px;
}

.news-tab-item {
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #555555;
  background-color: #f7f8fa;
  cursor: pointer;
  transition: var(--transition);
  border-top: 1px solid #e5e5e5;
  border-left: 1px solid #e5e5e5;
  border-right: 1px solid #e5e5e5;
  margin-right: 4px;
}

.news-tab-item.active {
  background-color: var(--primary-red);
  color: #ffffff;
  border-color: var(--primary-red);
}

.news-list {
  margin-bottom: 60px;
}

.news-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid #eeeeee;
  transition: var(--transition);
  cursor: pointer;
}

.news-item:hover {
  padding-left: 8px;
}

.news-item-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
}

.news-badge {
  color: var(--primary-red);
  font-size: 13.5px;
  font-weight: 700;
  min-width: 70px;
}

.news-info h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 5px;
  transition: color 0.2s;
}

.news-item:hover .news-info h3 {
  color: var(--primary-red);
}

.news-info p {
  font-size: 13.5px;
  color: var(--text-muted);
}

.news-more-btn {
  font-size: 13px;
  color: #888888;
  white-space: nowrap;
  transition: color 0.2s;
}

.news-item:hover .news-more-btn {
  color: var(--primary-red);
}

.news-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 70px;
}

.news-focus-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: var(--transition);
}

.news-focus-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.news-focus-card-img {
  height: 200px;
  overflow: hidden;
}

.news-focus-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-focus-card:hover .news-focus-card-img img {
  transform: scale(1.05);
}

.news-focus-card-body {
  padding: 22px;
}

.news-focus-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.news-focus-card-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 11-人才招聘 样式 */
.career-values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.career-value-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.career-value-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.career-value-card p {
  font-size: 13px;
  color: var(--text-muted);
}

.career-table-wrap {
  margin-bottom: 60px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
}

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

.career-table th {
  background-color: #f7f8fa;
  padding: 16px 24px;
  font-size: 14px;
  font-weight: 600;
  color: #444444;
  text-align: left;
  border-bottom: 1px solid #ebebeb;
}

.career-table td {
  padding: 20px 24px;
  font-size: 14px;
  color: #333333;
  border-bottom: 1px solid #f2f2f2;
}

.career-table tr:hover td {
  background-color: #fafbfc;
}

.career-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 70px;
}

.career-process-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.career-process-step {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.career-process-card p {
  font-size: 13px;
  color: var(--text-muted);
}

/* 12-招聘公告 详情样式 */
.job-detail-box {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 50px 60px;
  margin-bottom: 70px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.job-detail-header {
  text-align: center;
  padding-bottom: 30px;
  border-bottom: 1px solid #f0f0f0;
  margin-bottom: 36px;
}

.job-detail-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.job-detail-meta {
  font-size: 13.5px;
  color: #777777;
  display: flex;
  justify-content: center;
  gap: 24px;
}

.job-section-block {
  margin-bottom: 32px;
}

.job-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 14px;
}

.job-section-title::before {
  content: "";
  display: block;
  width: 4px;
  height: 18px;
  background-color: var(--primary-red);
}

.job-section-list li {
  font-size: 14px;
  color: #555555;
  line-height: 2;
}

.job-apply-btn-wrap {
  margin-top: 40px;
  text-align: center;
}

.btn-apply-wide {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
}

/* 13-联系我们 页面布局 */
.contact-page-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding: 50px 0 80px;
}

.contact-info-panel h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.contact-info-list {
  margin: 30px 0;
}

.contact-info-row {
  padding: 16px 0;
  border-bottom: 1px solid #f0f0f0;
}

.contact-info-row .label {
  font-size: 13px;
  color: var(--primary-red);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-row .val {
  font-size: 15px;
  color: #222222;
  font-weight: 500;
}

.contact-qr-flex {
  display: flex;
  gap: 40px;
  margin: 30px 0;
}

.contact-qr-col {
  text-align: center;
}

.contact-qr-box {
  width: 120px;
  height: 120px;
  border: 1px solid #ebebeb;
  background-color: #fafbfc;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px;
  margin-bottom: 8px;
}

.contact-qr-col span {
  font-size: 13px;
  color: #666666;
}

.contact-map-panel {
  border: 1px solid var(--border-color);
  background-color: #f7f9fc;
  height: 560px;
  overflow: hidden;
  position: relative;
}

.contact-map-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.map-card-overlay {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 18px 22px;
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid #ebebeb;
}

.map-card-overlay h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.map-card-overlay p {
  font-size: 13px;
  color: #666666;
}

/* 统一页尾 Footer */
.site-footer {
  background-color: var(--footer-bg);
  background-image: repeating-linear-gradient(
    45deg,
    #18191c,
    #18191c 12px,
    #151618 12px,
    #151618 24px
  );
  color: #b0b4bb;
  padding: 64px 0 24px;
  font-size: 13px;
  line-height: 1.8;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-col-logo .footer-brand-logo {
  height: 38px;
  width: auto;
  margin-bottom: 18px;
}

.footer-slogan {
  font-size: 13px;
  color: #9297a0;
  line-height: 1.9;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-contact-list li {
  margin-bottom: 8px;
  color: #a1a6b0;
}

.footer-qr-group {
  display: flex;
  gap: 20px;
}

.footer-qr-card {
  width: 120px;
  text-align: center;
}

.footer-qr-box {
  width: 110px;
  height: 110px;
  background-color: #23252a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px;
  margin-bottom: 8px;
  position: relative;
  overflow: hidden;
}

.footer-qr-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-placeholder-text {
  font-size: 12px;
  color: var(--primary-red);
  line-height: 1.4;
  font-weight: 600;
  text-align: center;
}

.footer-qr-card span {
  font-size: 12px;
  color: #8e939e;
}

.footer-bottom {
  padding-top: 22px;
  text-align: center;
  font-size: 12px;
  color: #666c77;
}

/* 浮动工具栏 Floating Toolbar */
.floating-toolbar {
  position: fixed;
  right: 24px;
  bottom: 80px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.floating-btn {
  width: 48px;
  height: 48px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #444444;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  position: relative;
}

.floating-btn:hover {
  background-color: var(--primary-red);
  border-color: var(--primary-red);
  color: #ffffff;
}

.floating-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.floating-btn .tooltip {
  position: absolute;
  right: 58px;
  background-color: #1a1a1a;
  color: #ffffff;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: var(--transition);
}

.floating-btn .tooltip::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 5px solid #1a1a1a;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

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

.floating-btn .qr-popup {
  position: absolute;
  right: 58px;
  bottom: -20px;
  background-color: #ffffff;
  padding: 12px;
  border-radius: 6px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  width: 140px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: var(--transition);
}

.floating-btn:hover .qr-popup {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.floating-btn .qr-popup img {
  width: 116px;
  height: 116px;
  margin-bottom: 6px;
}

.floating-btn .qr-popup span {
  font-size: 12px;
  color: #333333;
  display: block;
}

/* 模态框通用组件 Modal System */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.modal-container {
  background-color: #ffffff;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 22px 28px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fafbfc;
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
}

.modal-close {
  background: none;
  border: none;
  font-size: 26px;
  color: #888888;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--primary-red);
}

.modal-body {
  padding: 28px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #444444;
}

/* 表单样式 Form */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 7px;
  color: #333333;
}

.form-group label .req {
  color: var(--primary-red);
  margin-left: 3px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #d9d9d9;
  border-radius: 3px;
  font-size: 14px;
  color: #333333;
  transition: border-color 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--primary-red);
  box-shadow: 0 0 0 2px rgba(200, 22, 29, 0.1);
}

.form-textarea {
  min-height: 110px;
  resize: vertical;
}

/* 轻量 Toast 提示 */
.toast-msg {
  position: fixed;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background-color: #1e1e20;
  color: #ffffff;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 3000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-icon-success {
  color: #2ed573;
}

/* 响应式媒体查询 */
@media (max-width: 1024px) {
  .header-inner {
    padding: 0 10px;
  }
  .main-nav {
    gap: 20px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .service-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .services-hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 70px;
  }
  .header-inner {
    height: 70px;
  }
  .mobile-toggle {
    display: block;
  }
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    padding: 20px 0;
    gap: 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-120%);
    transition: var(--transition);
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .nav-link {
    width: 100%;
    text-align: center;
    padding: 14px 0;
  }
  .nav-link.active::after {
    display: none;
  }
  .home-hero {
    height: 320px;
  }
  .banner-title {
    font-size: 30px;
  }
  .subpage-banner {
    height: 240px;
  }
  .adv-grid {
    grid-template-columns: 1fr;
  }
  .home-about-grid {
    grid-template-columns: 1fr;
  }
  .home-about-img {
    width: 100%;
    height: 260px;
  }
  .home-product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .home-case-grid {
    grid-template-columns: 1fr;
  }
  .service-hero-card {
    flex-direction: column;
    padding: 24px;
  }
  .service-hero-img {
    width: 100%;
    height: 200px;
  }
  .service-feature-grid {
    grid-template-columns: 1fr;
  }
  .service-case-grid {
    grid-template-columns: 1fr;
  }
  .service-case-card {
    flex-direction: column;
  }
  .service-case-img {
    width: 100%;
    height: 180px;
  }
  .stats-counter-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .core-business-section {
    margin: 20px 0 56px;
    padding: 40px 24px 44px;
  }
  .core-business-copy {
    padding-left: 18px;
  }
  .culture-grid-2x2 {
    grid-template-columns: 1fr;
  }
  .social-resp-grid {
    grid-template-columns: 1fr;
  }
  .services-hub-layout {
    grid-template-columns: 1fr;
  }
  .services-hub-grid {
    grid-template-columns: 1fr;
  }
  .cases-full-grid {
    grid-template-columns: 1fr;
  }
  .career-values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .career-process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-page-layout {
    grid-template-columns: 1fr;
  }
}