/* ===== MK体育 - common.css 全站公共样式 ===== */
/* 配色：K珊瑚粉系列 - 主色#FADBD8 辅色#E74C3C 深色背景#2C1818 */

/* --- CSS变量 --- */
:root {
  --primary: #FADBD8;
  --primary-dark: #F5B7B1;
  --secondary: #E74C3C;
  --secondary-dark: #C0392B;
  --dark-bg: #2C1818;
  --dark-bg-light: #3D2222;
  --text: #333333;
  --text-light: #666666;
  --text-muted: #888888;
  --white: #FFFFFF;
  --gray-bg: #FAFAFA;
  --border: #EEEEEE;
  --shadow: rgba(231, 76, 60, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1200px;
  --header-height: 72px;
}

/* --- 重置 --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Serif SC', 'Songti SC', 'STSongti', 'SimSun', serif;
  color: var(--text);
  line-height: 1.8;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--secondary); transition: color 0.3s; }
a:hover { color: var(--secondary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* --- 容器 --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* --- 头部 --- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: 0 2px 20px var(--shadow); }
.header-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.25rem; color: var(--dark-bg);
}
.logo svg { width: 36px; height: 36px; }
.logo-text-en {
  font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--secondary); font-family: 'Arial', sans-serif;
}

/* --- 胶囊导航 N5 --- */
.nav-capsule {
  display: flex; align-items: center; gap: 6px;
  background: var(--gray-bg); border-radius: 50px;
  padding: 5px;
}
.nav-capsule a {
  display: block; padding: 8px 18px; border-radius: 50px;
  color: var(--text); font-size: 0.9rem; font-weight: 500;
  transition: all 0.3s; white-space: nowrap;
}
.nav-capsule a:hover, .nav-capsule a.active {
  background: var(--secondary); color: var(--white);
}

/* 移动端菜单 */
.mobile-menu-btn {
  display: none; width: 40px; height: 40px; border-radius: 50%;
  background: var(--gray-bg); align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.mobile-menu-btn span {
  display: block; width: 18px; height: 2px; background: var(--text);
  transition: all 0.3s;
}
.mobile-nav {
  display: none; position: fixed; top: var(--header-height); left: 0; right: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border); padding: 20px;
  z-index: 999;
}
.mobile-nav a {
  display: block; padding: 12px 16px; border-radius: var(--radius-sm);
  color: var(--text); font-weight: 500; margin-bottom: 4px;
}
.mobile-nav a:hover, .mobile-nav a.active {
  background: var(--primary); color: var(--secondary-dark);
}

/* --- 按钮 B1圆角填充 --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 28px; border-radius: var(--radius);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: all 0.3s; border: 2px solid transparent;
}
.btn-primary {
  background: var(--secondary); color: var(--white);
  border-color: var(--secondary);
}
.btn-primary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); color: var(--white); }
.btn-outline {
  background: transparent; color: var(--secondary);
  border-color: var(--secondary);
}
.btn-outline:hover { background: var(--secondary); color: var(--white); }
.btn-light {
  background: var(--primary); color: var(--dark-bg);
  border-color: var(--primary);
}
.btn-light:hover { background: var(--primary-dark); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }

/* --- 页脚 --- */
.footer {
  background: var(--dark-bg); color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
}
.footer-brand .logo { color: var(--white); margin-bottom: 16px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; }
.footer-title {
  color: var(--white); font-size: 1rem; font-weight: 600;
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: rgba(255,255,255,0.6); font-size: 0.85rem;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--primary); }
.footer-contact li {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 12px; font-size: 0.85rem;
}
.footer-contact svg {
  width: 16px; height: 16px; min-width: 16px;
  fill: var(--secondary); margin-top: 3px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 40px; padding: 20px;
  text-align: center; font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--primary); }

/* --- 面包屑 --- */
.breadcrumb {
  background: var(--gray-bg); padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  font-size: 0.85rem; color: var(--text-muted);
}
.breadcrumb-inner a { color: var(--text-light); }
.breadcrumb-inner a:hover { color: var(--secondary); }
.breadcrumb-inner span { margin: 0 8px; color: var(--text-muted); }

/* --- 分页 --- */
.pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 8px; margin-top: 40px; flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 12px;
  border-radius: var(--radius-sm); font-size: 0.9rem;
  color: var(--text); background: var(--white);
  border: 1px solid var(--border); transition: all 0.3s;
}
.pagination a:hover { background: var(--primary); border-color: var(--primary); }
.pagination .current {
  background: var(--secondary); color: var(--white);
  border-color: var(--secondary);
}

/* --- 回到顶部 --- */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--secondary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; visibility: hidden;
  transition: all 0.3s; box-shadow: 0 4px 12px rgba(231,76,60,0.3);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--secondary-dark); transform: translateY(-2px); }

/* --- 区块标题 --- */
.section-header { text-align: center; margin-bottom: 50px; }
.section-tag {
  display: inline-block; padding: 6px 16px;
  background: var(--primary); color: var(--secondary);
  border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 16px;
}
.section-title {
  font-size: 2rem; font-weight: 700; color: var(--dark-bg);
  margin-bottom: 12px; line-height: 1.3;
}
.section-desc {
  font-size: 1rem; color: var(--text-light); max-width: 600px;
  margin: 0 auto;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
  .nav-capsule { display: none; }
  .mobile-menu-btn { display: flex; }
  .mobile-nav.active { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --header-height: 60px; }
  .section-title { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .btn { padding: 10px 22px; font-size: 0.9rem; }
}
@media (max-width: 480px) {
  .container, .container-sm { padding: 0 15px; }
  .section-title { font-size: 1.3rem; }
  .logo { font-size: 1rem; }
}

/* --- 动画 --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

/* --- 服务流程标记 --- */
.process-step {
  position: relative; text-align: center;
}
.process-step-num {
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--secondary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700; margin: 0 auto 16px;
}
.process-step-title {
  font-size: 1.1rem; font-weight: 600; color: var(--dark-bg);
  margin-bottom: 8px;
}
.process-step-desc {
  font-size: 0.9rem; color: var(--text-light); line-height: 1.6;
}

/* --- 辅助类 --- */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }
.pt-60 { padding-top: 60px; }
.pb-60 { padding-bottom: 60px; }
.bg-gray { background: var(--gray-bg); }
.bg-primary-light { background: var(--primary); }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-20 { gap: 20px; }