/* ============================================
   衣企咨询 企业官网 - 共享样式表
   行业：服饰企业门店运营培训与咨询
   ============================================ */

/* ===== CSS Reset ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.8;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul, ol {
  list-style: none;
}

/* ===== CSS Variables ===== */
:root {
  /* 主色调 - 深邃藏蓝（专业、信赖） */
  --color-primary: #1a2332;
  --color-primary-light: #2a3548;
  --color-primary-dark: #0f1620;

  /* 强调色 - 暖金（高端、时尚） */
  --color-gold: #c9a96a;
  --color-gold-light: #d9bd85;
  --color-gold-dark: #b8945a;

  /* 辅助色 - 酒红（典雅、服饰行业关联） */
  --color-wine: #9e2a2a;
  --color-wine-light: #b83a3a;

  /* 中性色 */
  --bg-light: #f8f7f4;
  --bg-white: #ffffff;
  --bg-gray: #f0f0ec;
  --text-primary: #2d2d2d;
  --text-secondary: #6b6b6b;
  --text-light: #999999;
  --border-color: #e8e8e3;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(26, 35, 50, 0.06);
  --shadow-md: 0 4px 20px rgba(26, 35, 50, 0.08);
  --shadow-lg: 0 8px 40px rgba(26, 35, 50, 0.12);
  --shadow-gold: 0 4px 20px rgba(201, 169, 106, 0.2);

  /* 间距 */
  --container-max: 1200px;
  --header-height: 72px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 通用容器 ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

.section-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 48px;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  margin: 16px auto 0;
  border-radius: 2px;
}

.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-wine { color: var(--color-wine); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  letter-spacing: 1px;
}

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

.btn-primary:hover {
  background: var(--color-gold-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-dark {
  background: var(--color-primary);
  color: #fff;
}

.btn-dark:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
}

.btn-ghost:hover {
  background: var(--color-gold);
  color: var(--color-primary);
}

/* ===== Header 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(26, 35, 50, 0.95);
  backdrop-filter: blur(12px);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  height: 64px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Noto Serif SC', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.logo svg,
.logo img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

/* 顶部导航 LOGO 图片 - 适配深色背景 */
.logo .logo-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
 
  padding: 3px;
  box-shadow:
    0 0 0 1px rgba(201, 169, 106, 0.4),
    0 2px 8px rgba(0, 0, 0, 0.25);
  transition: var(--transition);
  object-fit: contain;
}

.logo:hover .logo-img {
  transform: rotate(8deg) scale(1.06);
  box-shadow:
    0 0 0 2px var(--color-gold),
    0 4px 14px rgba(201, 169, 106, 0.35);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  position: relative;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 1px;
}

.nav-cta {
  margin-left: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

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

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero 区域 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f1620 0%, #1a2332 50%, #2a3548 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(201, 169, 106, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(158, 42, 42, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.03;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,0.5) 35px, rgba(255,255,255,0.5) 36px),
    repeating-linear-gradient(-45deg, transparent, transparent 35px, rgba(255,255,255,0.5) 35px, rgba(255,255,255,0.5) 36px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(201, 169, 106, 0.15);
  border: 1px solid rgba(201, 169, 106, 0.3);
  border-radius: 50px;
  color: var(--color-gold);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 3.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.hero h1 .highlight {
  color: var(--color-gold);
  position: relative;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 600px;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
  color: #fff;
}

.hero-stat-num {
  font-family: 'Noto Serif SC', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.hero-stat-num small {
  font-size: 1rem;
  margin-left: 2px;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* ===== Page Banner (内页通用) ===== */
.page-banner {
  position: relative;
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: linear-gradient(135deg, #0f1620 0%, #1a2332 100%);
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(201, 169, 106, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.page-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.page-banner h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.page-banner p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

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

/* ===== 卡片组件 ===== */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

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

/* ===== 服务卡片网格 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

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

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

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(201, 169, 106, 0.1), rgba(201, 169, 106, 0.05));
  color: var(--color-gold);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 特性区域 ===== */
.feature-section {
  background: var(--bg-white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-light);
  transition: var(--transition);
}

.feature-item:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--color-primary);
  color: var(--color-gold);
}

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

.feature-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== CTA 区域 ===== */
.cta-section {
  position: relative;
  padding: 64px 0;
  background: linear-gradient(135deg, #1a2332 0%, #0f1620 100%);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(201, 169, 106, 0.08) 0%, transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.site-footer {
  background: #0a0f16;
  color: rgba(255, 255, 255, 0.6);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Noto Serif SC', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand span {
  color: var(--color-gold);
}

.footer-brand svg,
.footer-brand img {
  width: 32px;
  height: 32px;
}

/* 底部 LOGO 图片 - 更醒目的金色圆环装饰 */
.footer-brand .logo-img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fffbf0 0%, #f5ecd9 100%);
  padding: 4px;
  box-shadow:
    0 0 0 2px var(--color-gold),
    0 0 0 4px rgba(201, 169, 106, 0.25),
    0 6px 20px rgba(0, 0, 0, 0.35);
  transition: var(--transition);
  object-fit: contain;
  position: relative;
}

.footer-brand:hover .logo-img {
  transform: rotate(360deg) scale(1.05);
  box-shadow:
    0 0 0 2px var(--color-gold-light),
    0 0 0 5px rgba(201, 169, 106, 0.4),
    0 8px 24px rgba(201, 169, 106, 0.3);
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-contact li {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

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

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-gold);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* ===== 课程卡片 ===== */
.course-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.course-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.course-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.course-card-image {
  background: linear-gradient(135deg, #1a2332, #2a3548);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.course-card-image svg {
  width: 80px;
  height: 80px;
  color: var(--color-gold);
  opacity: 0.8;
}

.course-card-body {
  padding: 32px 36px;
}

.course-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(201, 169, 106, 0.12);
  color: var(--color-gold-dark);
  margin-bottom: 12px;
}

.course-card-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.course-card-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.course-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.course-meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-gold);
}

/* ===== 资讯列表 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

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

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.news-card-image {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-card-image svg {
  width: 100%;
  height: 100%;
  display: block;
}

.news-card-image .news-illustration {
  width: 100%;
  height: 100%;
  display: block;
}

.news-card-body {
  padding: 24px 28px;
}

.news-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 10px;
}

.news-date svg {
  width: 14px;
  height: 14px;
}

.news-card-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.5;
  transition: var(--transition);
}

.news-card:hover h3 {
  color: var(--color-gold-dark);
}

.news-card-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--color-gold-dark);
  font-weight: 500;
}

.news-card-link svg {
  width: 14px;
  height: 14px;
  transition: var(--transition);
}

.news-card:hover .news-card-link svg {
  transform: translateX(4px);
}

/* ===== 资讯详情页 ===== */
.article-detail {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-header {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-light);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-meta svg {
  width: 14px;
  height: 14px;
}

.article-body {
  font-size: 1rem;
  line-height: 2;
  color: var(--text-primary);
}

.article-body h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--color-gold);
}

.article-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 20px;
  text-indent: 2em;
}

.article-body ul {
  margin: 0 0 20px 2em;
}

.article-body ul li {
  list-style: disc;
  margin-bottom: 8px;
  line-height: 1.9;
}

.article-body strong {
  color: var(--color-wine);
  font-weight: 600;
}

.article-body blockquote {
  margin: 24px 0;
  padding: 20px 28px;
  background: var(--bg-light);
  border-left: 4px solid var(--color-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.article-nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.article-nav a:hover {
  color: var(--color-gold-dark);
}

/* ===== FAQ 手风琴 ===== */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-primary);
  user-select: none;
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(201, 169, 106, 0.1);
  color: var(--color-gold-dark);
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--color-gold);
  color: #fff;
}

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

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

.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ===== 关于我们 ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro-text h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.about-intro-text p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-intro-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #1a2332, #2a3548);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-intro-visual svg {
  width: 120px;
  height: 120px;
  color: var(--color-gold);
  opacity: 0.6;
}

/* 公司简介 / 核心理念 配图 */
.about-intro-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.about-intro-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(201, 169, 106, 0.35);
  border-radius: var(--radius-xl);
  pointer-events: none;
}

.about-intro-visual:hover .about-intro-img {
  transform: scale(1.05);
}

/* 时间线 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), var(--border-color));
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 3px solid var(--bg-light);
  box-shadow: 0 0 0 2px var(--color-gold);
}

.timeline-year {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 价值观卡片 */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.value-card .value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(201, 169, 106, 0.15), rgba(201, 169, 106, 0.05));
}

.value-card .value-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-gold);
}

.value-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 企业图库 ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: #f0f0f0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.gallery-item:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  transform: translateY(-4px);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item .gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(26, 35, 50, 0.85));
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.gallery-overlay .gallery-zoom {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(201, 169, 106, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-overlay .gallery-zoom svg {
  width: 18px;
  height: 18px;
  color: #fff;
}

/* 图库分类筛选 */
.gallery-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.gallery-filter button {
  padding: 8px 22px;
  border: 2px solid #e0dccc;
  border-radius: 30px;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}

.gallery-filter button:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}

.gallery-filter button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.gallery-item.hidden {
  display: none;
}

/* 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10, 15, 25, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  animation: fadeIn 0.2s ease;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 82vh;
  border-radius: 8px;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-top: 16px;
  text-align: center;
}

.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-btn svg {
  width: 24px;
  height: 24px;
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-close svg {
  width: 24px;
  height: 24px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== 动画 ===== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== 回到顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  border: none;
}

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

.back-to-top:hover {
  background: var(--color-gold);
  color: var(--color-primary);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ===== 资质荣誉 ===== */
.qualifications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.qualification-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.qualification-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

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

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

.qualification-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(201, 169, 106, 0.12), rgba(201, 169, 106, 0.04));
}

.qualification-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-gold);
}

.qualification-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.qualification-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.qualification-card .cert-number {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--color-gold-dark);
  background: rgba(201, 169, 106, 0.1);
  font-weight: 500;
}

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

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.pagination a:hover {
  color: var(--color-gold-dark);
  border-color: var(--color-gold);
  background: rgba(201, 169, 106, 0.06);
  transform: translateY(-1px);
}

.pagination .active {
  background: var(--color-primary);
  color: var(--color-gold);
  border-color: var(--color-primary);
  cursor: default;
}

.pagination .disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination .page-arrow {
  gap: 4px;
}

.pagination .page-arrow svg {
  width: 14px;
  height: 14px;
}

/* ===== 响应式 ===== */
@media (max-width: 968px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .course-card {
    grid-template-columns: 1fr;
  }

  .course-card-image {
    height: 140px;
  }

  .course-card-image svg {
    width: 56px;
    height: 56px;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 22, 32, 0.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    height: auto;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

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

  .nav-menu a {
    display: block;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-menu a.active::after {
    display: none;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .logo .logo-img {
    width: 36px;
    height: 36px;
    padding: 2px;
  }

  .footer-brand .logo-img {
    width: 48px;
    height: 48px;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .hero-stat-num {
    font-size: 1.8rem;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

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

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

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

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

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

  .pagination {
    flex-wrap: wrap;
    gap: 6px;
  }

  .pagination a,
  .pagination span {
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    font-size: 0.85rem;
  }

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

  .page-banner h1 {
    font-size: 1.8rem;
  }

  .article-header h1 {
    font-size: 1.5rem;
  }

  .article-nav {
    flex-direction: column;
    gap: 12px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .container {
    padding: 0 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .hero-stats {
    gap: 16px;
  }

  .hero-stat-num {
    font-size: 1.5rem;
  }

  .service-card,
  .value-card {
    padding: 28px 20px;
  }

  .course-card-body {
    padding: 24px 20px;
  }

  .article-detail {
    padding: 32px 16px 56px;
  }

  .faq-question {
    padding: 16px 20px;
    font-size: 0.95rem;
  }

  .faq-answer-inner {
    padding: 0 20px 20px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .gallery-filter button {
    padding: 6px 16px;
    font-size: 0.82rem;
  }

  .lightbox-btn {
    width: 40px;
    height: 40px;
  }

  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}