:/* 意昂体育(EON SPORTS) 官方网站 - style.css */
:root {
  --primary: #1a2a6c;
  --secondary: #b21f1f;
  --accent: #fdbb2d;
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --text: #1a1a2e;
  --text-light: #6c757d;
  --shadow: 0 8px 32px rgba(0,0,0,0.08);
  --radius: 20px;
  --glass: rgba(255,255,255,0.7);
  --glass-border: rgba(255,255,255,0.3);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

[data-theme=dark] {
  --primary: #0f1a3a;
  --secondary: #8b1a1a;
  --accent: #e6a800;
  --bg: #0d1117;
  --card-bg: #161b22;
  --text: #e6edf3;
  --text-light: #8b949e;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glass: rgba(22,27,34,0.8);
  --glass-border: rgba(48,54,61,0.5);
}

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

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

body {
  font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--transition),color var(--transition);
  overflow-x: hidden;
}

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

a:hover {
  color: var(--secondary);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 48px;
  font-size: 1.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  color: #fff;
  box-shadow: 0 4px 20px rgba(26,42,108,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,42,108,0.4);
}

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

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

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
}

.glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
  gap: 24px;
}

.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 32px;
}

.mb-4 {
  margin-bottom: 32px;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease,transform 0.7s ease;
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition);
  padding: 16px 0;
}

.header-scrolled {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.1);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.logo svg {
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition);
  color: var(--text);
}

.theme-toggle:hover {
  background: var(--primary);
  color: #fff;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
  padding: 8px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--glass);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  display: flex;
}

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  padding: 12px 24px;
  border-radius: 12px;
}

.mobile-menu a:hover {
  background: var(--primary);
  color: #fff;
}

.mobile-menu .close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg,var(--primary),var(--secondary),var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 32px;
  max-width: 540px;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.9rem;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.banner-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 400px;
  margin-top: 40px;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  border-radius: var(--radius);
  background: linear-gradient(135deg,var(--primary),var(--secondary));
}

.banner-slide.active {
  opacity: 1;
  position: relative;
}

.banner-slide .slide-content {
  color: #fff;
  text-align: center;
  max-width: 600px;
}

.banner-slide h3 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.banner-slide p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.banner-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.banner-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-light);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.banner-dot.active {
  background: var(--primary);
  transform: scale(1.3);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 24px;
  margin-top: 48px;
}

.stat-item {
  text-align: center;
  padding: 24px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  color: var(--text-light);
  margin-top: 8px;
  font-size: 0.95rem;
}

.product-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
  text-align: center;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.product-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  color: #fff;
  font-size: 1.8rem;
}

.product-card h4 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.product-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.service-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.service-item:hover {
  transform: translateX(4px);
}

.service-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  color: #fff;
  font-size: 1.5rem;
}

.service-content h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.service-content p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
}

.case-image {
  height: 200px;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
}

.case-body {
  padding: 24px;
}

.case-body h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.case-body p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.testimonial-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-size: 4rem;
  position: absolute;
  top: 8px;
  left: 20px;
  color: var(--primary);
  opacity: 0.15;
  line-height: 1;
}

.testimonial-card p {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}

.partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  align-items: center;
}

.partner-item {
  padding: 16px 24px;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  font-weight: 600;
  color: var(--text-light);
  transition: all var(--transition);
}

.partner-item:hover {
  color: var(--primary);
  transform: scale(1.05);
}

.article-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.article-card:hover {
  transform: translateY(-4px);
}

.article-image {
  height: 180px;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

.article-body {
  padding: 24px;
}

.article-body .date {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

.article-body h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-body p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.article-body .read-more {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.faq-item {
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 8px 0;
  user-select: none;
}

.faq-question .icon {
  font-size: 1.5rem;
  transition: transform var(--transition);
}

.faq-answer {
  padding: 8px 0 16px;
  color: var(--text-light);
  line-height: 1.8;
  display: none;
}

.faq-answer.open {
  display: block;
}

.howto-steps {
  counter-reset: step;
}

.howto-step {
  padding: 20px 0 20px 60px;
  position: relative;
  border-left: 3px solid var(--primary);
  margin-left: 20px;
}

.howto-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -20px;
  top: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.howto-step h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.howto-step p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-info-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.footer {
  background: var(--primary);
  color: #fff;
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer h4 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--accent);
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 8px;
}

.footer ul li a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer ul li a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #fff;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  transition: all var(--transition);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  display: flex;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0;
  font-size: 0.9rem;
  color: var(--text-light);
}

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

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

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

.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.search-modal.open {
  display: flex;
  opacity: 1;
}

.search-modal-content {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px;
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
}

.search-modal input {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid var(--glass-border);
  border-radius: 12px;
  font-size: 1.1rem;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border var(--transition);
}

.search-modal input:focus {
  border-color: var(--primary);
}

.search-modal .close-search {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
}

.eeat-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  margin-bottom: 24px;
}

.eeat-section h4 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.eeat-section p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.8;
}

.eeat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  gap: 24px;
}

.related-articles {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 24px;
  margin-top: 32px;
}

.related-articles .article-card {
  margin: 0;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(180px,1fr));
  gap: 24px;
}

.sitemap-grid h4 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.sitemap-grid ul {
  list-style: none;
}

.sitemap-grid ul li {
  margin-bottom: 6px;
}

.sitemap-grid ul li a {
  font-size: 0.9rem;
  color: var(--text-light);
}

.sitemap-grid ul li a:hover {
  color: var(--primary);
}

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2,1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .grid-2,.grid-3,.grid-4 {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2,1fr);
  }
  .stat-number {
    font-size: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .banner-slide h3 {
    font-size: 1.4rem;
  }
  .banner-slide p {
    font-size: 0.95rem;
  }
  .hero-content {
    text-align: center;
    margin: 0 auto;
  }
  .hero-actions {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .container {
    padding: 0 16px;
  }
  section {
    padding: 48px 0;
  }
}