/* 皇冠体育官网 - 完整样式表 */
/* 基础重置与全局变量 */
:root {
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-accent: #f5c518;
  --color-accent2: #e94560;
  --color-bg: #0f0f23;
  --color-surface: rgba(26, 26, 46, 0.85);
  --color-text: #e0e0e0;
  --color-text-light: #b0b0b0;
  --color-heading: #ffffff;
  --color-card-bg: rgba(255, 255, 255, 0.05);
  --color-card-border: rgba(255, 255, 255, 0.1);
  --color-glass: rgba(255, 255, 255, 0.08);
  --color-glass-border: rgba(255, 255, 255, 0.15);
  --color-btn-primary: #f5c518;
  --color-btn-primary-text: #1a1a2e;
  --color-btn-secondary: transparent;
  --color-btn-secondary-border: #f5c518;
  --color-btn-secondary-text: #f5c518;
  --color-footer-bg: #0d0d1a;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1200px;
  --nav-height: 70px;
}

/* 亮色模式变量 */
[data-theme="light"] {
  --color-primary: #ffffff;
  --color-secondary: #f8f9fa;
  --color-bg: #f0f2f5;
  --color-surface: rgba(255, 255, 255, 0.9);
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-heading: #1a1a2e;
  --color-card-bg: rgba(255, 255, 255, 0.8);
  --color-card-border: rgba(0, 0, 0, 0.08);
  --color-glass: rgba(255, 255, 255, 0.7);
  --color-glass-border: rgba(0, 0, 0, 0.1);
  --color-footer-bg: #1a1a2e;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #d4a800;
}

/* 容器 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部导航 */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  transition: background var(--transition), backdrop-filter var(--transition);
  height: var(--nav-height);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-heading);
  font-weight: 700;
  font-size: 1.3rem;
  transition: opacity var(--transition);
}
.logo:hover {
  opacity: 0.85;
}
.logo svg {
  flex-shrink: 0;
}
.logo-text {
  background: linear-gradient(135deg, var(--color-accent), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}
.nav-links li a {
  text-decoration: none;
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}
.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: transform var(--transition);
}
.nav-links li a:hover {
  color: var(--color-accent);
  background: rgba(245, 197, 24, 0.1);
}
.nav-links li a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

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

#dark-mode-toggle,
#mobile-menu-toggle {
  background: none;
  border: 1px solid var(--color-glass-border);
  color: var(--color-text);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  background: var(--color-glass);
}
#dark-mode-toggle:hover,
#mobile-menu-toggle:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  transform: scale(1.05);
}

#mobile-menu-toggle {
  display: none;
}

/* Hero 区域 */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 20px 60px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, #0f3460 100%);
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(245, 197, 24, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(233, 69, 96, 0.06) 0%, transparent 50%);
  animation: heroGlow 15s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes heroGlow {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-5%, 5%) rotate(5deg); }
}

.hero-content {
  flex: 1;
  max-width: 600px;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-heading);
  margin-bottom: 16px;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--color-accent), #ff6b6b, var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 12px;
}
.hero-description {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
  max-width: 500px;
}

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

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-btn-primary);
  color: var(--color-btn-primary-text);
  box-shadow: 0 4px 20px rgba(245, 197, 24, 0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(245, 197, 24, 0.4);
}
.btn-secondary {
  background: var(--color-btn-secondary);
  color: var(--color-btn-secondary-text);
  border-color: var(--color-btn-secondary-border);
}
.btn-secondary:hover {
  background: rgba(245, 197, 24, 0.1);
  transform: translateY(-3px);
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 450px;
  animation: fadeInRight 1s ease-out 0.3s both;
  margin-left: 40px;
}
.hero-visual svg {
  width: 100%;
  height: auto;
  max-width: 400px;
  filter: drop-shadow(0 10px 40px rgba(245, 197, 24, 0.15));
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* 通用区域标题 */
section h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-heading);
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  display: inline-block;
  width: 100%;
}
section h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  border-radius: 4px;
  margin: 16px auto 0;
}

/* 关于我们 */
.about-section {
  padding: 80px 0;
  background: var(--color-secondary);
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.about-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}
.about-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  border-color: var(--color-accent);
}
.about-card h3 {
  color: var(--color-accent);
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.about-card p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 服务 */
.services-section {
  padding: 80px 0;
  background: var(--color-bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: all var(--transition);
  box-shadow: var(--shadow-glass);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover::before {
  transform: scaleX(1);
}
.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.service-card h3 {
  color: var(--color-accent);
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.service-card p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 特色 */
.features-section {
  padding: 80px 0;
  background: var(--color-secondary);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}
.feature-card:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--color-accent2);
}
.feature-card h3 {
  color: var(--color-heading);
  font-size: 1.2rem;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}
.feature-card h3::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  margin: 8px auto 0;
  border-radius: 3px;
}
.feature-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* HowTo 步骤 */
.howto-section {
  padding: 80px 0;
  background: var(--color-bg);
}
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glass);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent2));
  color: #fff;
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 16px;
  transition: transform var(--transition);
}
.step:hover .step-number {
  transform: scale(1.1) rotate(5deg);
}
.step h3 {
  color: var(--color-heading);
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.step p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* 知识中心 */
.resources-section {
  padding: 80px 0;
  background: var(--color-secondary);
}
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.resource-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.resource-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-accent);
}
.resource-card h3 {
  color: var(--color-heading);
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.resource-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}
.resource-card a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition);
  align-self: flex-start;
}
.resource-card a:hover {
  color: var(--color-accent2);
  transform: translateX(4px);
}

/* FAQ */
.faq-section {
  padding: 80px 0;
  background: var(--color-bg);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover {
  border-color: var(--color-accent);
}
.faq-item summary {
  padding: 18px 24px;
  font-weight: 600;
  color: var(--color-heading);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: transform var(--transition);
  font-weight: 300;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item[open] summary {
  color: var(--color-accent);
}
.faq-item p {
  padding: 0 24px 18px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 联系 */
.contact-section {
  padding: 80px 0;
  background: var(--color-secondary);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 32px;
}
.contact-info h3 {
  color: var(--color-accent);
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.contact-info p {
  color: var(--color-text);
  margin-bottom: 12px;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.contact-info p::before {
  content: '•';
  color: var(--color-accent);
  font-weight: bold;
}

.contact-form {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 32px;
}
.contact-form label {
  display: block;
  color: var(--color-heading);
  font-weight: 500;
  margin-bottom: 6px;
  font-size: 0.95rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 20px;
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font-sans);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(245, 197, 24, 0.15);
}
.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}
.contact-form button {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
}

/* 页脚 */
footer {
  background: var(--color-footer-bg);
  padding: 40px 0;
  border-top: 1px solid var(--color-glass-border);
}
.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}
.footer-info p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}
.footer-links li a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links li a:hover {
  color: var(--color-accent);
}

/* 返回顶部按钮 */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(245, 197, 24, 0.3);
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  z-index: 999;
}
#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 30px rgba(245, 197, 24, 0.4);
}

/* 滚动动画类 */
[data-animate] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}
[data-animate="fade-left"] {
  transform: translateX(-40px);
}
[data-animate="fade-left"].animate-in {
  transform: translateX(0);
}
[data-animate="fade-right"] {
  transform: translateX(40px);
}
[data-animate="fade-right"].animate-in {
  transform: translateX(0);
}
[data-animate="scale"] {
  transform: scale(0.9);
}
[data-animate="scale"].animate-in {
  transform: scale(1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero-section {
    flex-direction: column;
    text-align: center;
    padding-top: calc(var(--nav-height) + 30px);
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-description {
    margin: 0 auto 32px;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    margin-left: 0;
    margin-top: 40px;
    max-width: 350px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--color-glass-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
  }
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links li a {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    font-size: 1.05rem;
  }
  #mobile-menu-toggle {
    display: flex;
  }
  .hero-section {
    padding: calc(var(--nav-height) + 20px) 16px 40px;
  }
  .hero-content h1 {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }
  .hero-subtitle {
    font-size: 1.1rem;
  }
  .hero-visual {
    max-width: 280px;
  }
  section {
    padding: 60px 0 !important;
  }
  section h2 {
    font-size: 1.6rem;
    margin-bottom: 32px;
  }
  .about-grid,
  .services-grid,
  .features-grid,
  .resources-grid,
  .howto-steps {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    gap: 24px;
  }
  .contact-info,
  .contact-form {
    padding: 24px;
  }
  #back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 12px;
  }
  .logo-text {
    font-size: 1.1rem;
  }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    padding: 12px 24px;
  }
  .hero-visual {
    max-width: 220px;
  }
  .faq-item summary {
    padding: 14px 16px;
    font-size: 0.95rem;
  }
  .faq-item p {
    padding: 0 16px 14px;
  }
}

/* 暗色模式切换过渡 */
body {
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* 性能优化 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* 打印样式 */
@media print {
  header, #back-to-top, .hero-visual {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
  .hero-section {
    background: #fff !important;
    min-height: auto;
    padding: 20px;
  }
  .hero-content h1 {
    -webkit-text-fill-color: #1a1a2e;
  }
  .btn-primary, .btn-secondary {
    border: 1px solid #000;
    color: #000 !important;
    background: transparent !important;
  }
}

/* 毛玻璃通用类 */
.glass {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
}

/* 渐变边框卡片 */
.gradient-border {
  position: relative;
  border: none;
}
.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}