/* ============================================================
   天堂1官网 - 主样式表
   蓝白主题 / 游戏风格
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&display=swap');

/* ============================================================
   CSS 变量
   ============================================================ */
:root {
  /* 高端暗曜蓝 - 皇家蓝白游戏色系 */
  --primary-900: #040811; /* 深邃曜石背景色 */
  --primary-800: #091021; /* 半透明水晶卡片底色 */
  --primary-700: #101c36; /* 边框/悬浮加深色 */
  --primary-600: #1b2d54; /* 按钮边框/主装饰色 */
  --primary-500: #1d4ed8; /* 极光宝蓝色 */
  --primary-400: #00d2ff; /* 霓虹天蓝色 */
  --primary-300: #64e5ff; /* 高光冰蓝色 */
  --primary-200: #a5f3ff; /* 淡雅天蓝色 */
  --primary-100: #e0faff; /* 极浅冰蓝色 */

  /* 白/银灰 */
  --white: #ffffff;
  --gray-50: #f4faff;
  --gray-100: #e1effe;
  --gray-200: #cce3ff;
  --gray-300: #a3cfff;
  --gray-400: #7eb3f7;
  --gray-500: #5587cb;
  --gray-600: #385b91;
  --gray-700: #1f365c;
  --gray-900: #0c182e;

  /* 极致高光点缀 */
  --gold: #ffb700; /* 纯金黄色 */
  --gold-light: #ffe066;
  --red: #ff3366; /* 霓虹艳红 */
  --green: #00ff88; /* 荧光绿 */
  --orange: #ff7700;
  --purple: #aa55ff;

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* 奢华阴影系统 */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 25px rgba(0, 210, 255, 0.25);
  --shadow-glow-gold: 0 0 25px rgba(255, 183, 0, 0.35);

  /* 过渡 */
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 14px;
}

body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
  background: var(--primary-900);
  color: var(--white);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--primary-300);
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: var(--white); }

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

ul { list-style: none; }

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================================
   滚动条美化
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--primary-800); }
::-webkit-scrollbar-thumb { background: var(--primary-600); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-500); }

/* ============================================================
   布局容器
   ============================================================ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.container-sm { max-width: 960px; margin: 0 auto; padding: 0 var(--space-lg); }

/* Grid */
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

/* Flex */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ============================================================
   顶部公告栏
   ============================================================ */
.top-notice {
  background: linear-gradient(90deg, var(--primary-700), var(--primary-600));
  padding: 8px 0;
  font-size: 12px;
  border-bottom: 1px solid rgba(59,130,246,0.3);
}
.top-notice-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.notice-ticker {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
}
.notice-label {
  background: var(--gold);
  color: #000;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
.notice-scroll {
  overflow: hidden;
  flex: 1;
}
.notice-scroll-inner {
  display: flex;
  gap: 40px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}
.notice-scroll-inner a {
  color: var(--gray-300);
  font-size: 12px;
}
.notice-scroll-inner a:hover { color: var(--white); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.top-notice-links {
  display: flex;
  gap: var(--space-md);
  font-size: 12px;
  color: var(--gray-400);
  flex-shrink: 0;
  margin-left: var(--space-lg);
}
.top-notice-links a { color: var(--gray-400); }
.top-notice-links a:hover { color: var(--white); }

/* ============================================================
   主导航
   ============================================================ */
.site-header {
  background: linear-gradient(180deg, var(--primary-800) 0%, rgba(15,31,61,0.95) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(59,130,246,0.2);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.header-inner {
  display: flex;
  align-items: center;
  height: 70px;
  gap: var(--space-xl);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
  text-decoration: none;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-300));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--shadow-glow);
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-title {
  font-size: 20px;
  font-weight: 900;
  background: linear-gradient(90deg, var(--primary-300), var(--white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}
.logo-sub {
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* 主导航链接 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  color: var(--gray-300);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(59,130,246,0.15);
}
.nav-link .nav-dot {
  width: 6px;
  height: 6px;
  background: var(--primary-400);
  border-radius: 50%;
  opacity: 0;
  transition: var(--transition);
}
.nav-link:hover .nav-dot, .nav-link.active .nav-dot { opacity: 1; }

/* 下拉菜单 */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--primary-800);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-lg);
  min-width: 160px;
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 200;
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 8px 12px;
  color: var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 13px;
}
.nav-dropdown a:hover { color: var(--white); background: rgba(59,130,246,0.15); }

/* 用户区域 */
.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}
.btn-login {
  padding: 7px 16px;
  background: transparent;
  border: 1px solid var(--primary-400);
  color: var(--primary-300);
  border-radius: var(--radius-md);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-login:hover {
  background: rgba(59,130,246,0.15);
  color: var(--white);
}
.btn-register {
  padding: 7px 16px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}
.btn-register:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}
.user-avatar-nav {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--primary-400);
  object-fit: cover;
}
.user-nav-info { font-size: 13px; color: var(--gray-300); }

/* ============================================================
   Hero区域 / 轮播
   ============================================================ */
.hero-section {
  position: relative;
  height: 480px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1628 0%, #162a52 40%, #1e3a6e 70%, #0a1628 100%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--primary-300);
  border-radius: 50%;
  animation: float-particle linear infinite;
  opacity: 0.6;
}
@keyframes float-particle {
  0% { transform: translateY(100vh) translateX(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-20px) translateX(40px); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-xl);
  height: 100%;
  align-items: center;
}

/* 巨型轮播幻灯片样式设计 */
.hero-left-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
}

.hero-carousel {
  position: relative;
  width: 100%;
  height: 330px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(59,130,246,0.25);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: hidden;
  background: var(--primary-800);
}

.carousel-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s;
  z-index: 1;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.carousel-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,22,40,0.85) 100%);
  z-index: 3;
}

/* 轮播文字悬浮条 */
.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-xl);
  z-index: 4;
  backdrop-filter: blur(4px);
  background: linear-gradient(180deg, transparent, rgba(13,27,51,0.9));
}

.carousel-tag {
  display: inline-block;
  padding: 3px 8px;
  background: var(--primary-500);
  border: 1px solid rgba(59,130,246,0.5);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.carousel-caption h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  letter-spacing: 1px;
}

/* 左右控制按钮 */
.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(15,31,61,0.65);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
  outline: none;
}

.carousel-control:hover {
  background: var(--primary-500);
  border-color: var(--primary-400);
  box-shadow: var(--shadow-glow);
  transform: translateY(-50%) scale(1.05);
}

.carousel-prev { left: var(--space-md); }
.carousel-next { right: var(--space-md); }

/* 指示小点 */
.carousel-dots {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-xl);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: 1px solid rgba(0,0,0,0.2);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot:hover, .carousel-dot.active {
  background: var(--primary-400);
  box-shadow: 0 0 8px var(--primary-400);
  transform: scale(1.2);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
}
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
  color: var(--white);
  border-radius: var(--radius-lg);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,0.5);
  color: var(--white);
}
.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-lg);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
}
.btn-hero-secondary:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

/* 服务器状态侧边 */
.hero-servers {
  background: rgba(15,31,61,0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
}
.server-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(59,130,246,0.15);
}
.server-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-200);
}
.server-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.server-item:last-child { border-bottom: none; }
.server-name {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.server-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.server-dot.online { background: var(--green); box-shadow: 0 0 6px var(--green); }
.server-dot.busy { background: var(--orange); box-shadow: 0 0 6px var(--orange); }
.server-dot.full { background: var(--red); box-shadow: 0 0 6px var(--red); }
.server-dot.maintenance { background: var(--gray-400); }
.server-status-text {
  font-size: 11px;
  color: var(--gray-400);
}
.server-bar-wrap {
  width: 80px;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.server-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 1s ease;
}
.server-bar.online { background: linear-gradient(90deg, var(--green), #86efac); }
.server-bar.busy { background: linear-gradient(90deg, var(--orange), #fed7aa); }
.server-bar.full { background: linear-gradient(90deg, var(--red), #fca5a5); }
.server-bar.maintenance { background: var(--gray-400); }

/* ============================================================
   统计数字
   ============================================================ */
.stats-bar {
  background: linear-gradient(90deg, var(--primary-700), var(--primary-600), var(--primary-700));
  border-top: 1px solid rgba(59,130,246,0.3);
  border-bottom: 1px solid rgba(59,130,246,0.2);
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide: each;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  border-right: 1px solid rgba(59,130,246,0.15);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-size: 28px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-300), var(--white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-label {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ============================================================
   卡片组件
   ============================================================ */
.card {
  background: var(--primary-800);
  border: 1px solid rgba(59,130,246,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  border-color: rgba(59,130,246,0.3);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}
.card-body { padding: var(--space-lg); }
.card-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid rgba(59,130,246,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-more {
  font-size: 12px;
  color: var(--gray-400);
}
.card-more:hover { color: var(--primary-300); }

/* ============================================================
   新闻模块
   ============================================================ */
.news-tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-md);
  border-bottom: 1px solid rgba(59,130,246,0.1);
}
.news-tab {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--gray-400);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition);
}
.news-tab.active {
  color: var(--primary-300);
  border-bottom-color: var(--primary-400);
}
.news-tab:hover { color: var(--white); }

.news-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { padding-left: 6px; }
.news-num {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.news-num.n1 { background: #ef4444; color: #fff; }
.news-num.n2 { background: #f97316; color: #fff; }
.news-num.n3 { background: #eab308; color: #000; }
.news-num.nn { background: rgba(255,255,255,0.1); color: var(--gray-400); }

.news-content { flex: 1; min-width: 0; }
.news-title-link {
  display: block;
  font-size: 13px;
  color: var(--gray-200);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-title-link:hover { color: var(--primary-300); }
.news-meta {
  display: flex;
  gap: var(--space-sm);
  margin-top: 4px;
  font-size: 11px;
  color: var(--gray-500);
}

/* 大新闻卡片 */
.news-card-big {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.news-card-big:last-child { border-bottom: none; }
.news-card-img {
  width: 120px;
  height: 75px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.news-card-info {}
.news-cat-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 6px;
}
.tag-notice { background: rgba(239,68,68,0.2); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }
.tag-update { background: rgba(34,197,94,0.2); color: #4ade80; border: 1px solid rgba(34,197,94,0.3); }
.tag-event { background: rgba(245,158,11,0.2); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); }
.tag-maintenance { background: rgba(100,116,139,0.3); color: #94a3b8; border: 1px solid rgba(100,116,139,0.4); }
.tag-guide { background: rgba(139,92,246,0.2); color: #c4b5fd; border: 1px solid rgba(139,92,246,0.3); }

.news-card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-100);
  margin-bottom: 6px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-title a { color: inherit; }
.news-card-title a:hover { color: var(--primary-300); }
.news-card-meta { font-size: 11px; color: var(--gray-500); }

/* ============================================================
   页面内容区域
   ============================================================ */
.main-content {
  padding: var(--space-2xl) 0;
}
.layout-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-xl);
  align-items: start;
}
.layout-sidebar {}

/* 区块标题 */
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}
.section-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--primary-400), var(--primary-600));
  border-radius: 2px;
}
.section-title a {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-400);
  margin-left: auto;
}
.section-title a:hover { color: var(--primary-300); }

/* ============================================================
   论坛预览
   ============================================================ */
.forum-board-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.forum-board-card {
  background: var(--primary-800);
  border: 1px solid rgba(59,130,246,0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  gap: var(--space-md);
  transition: var(--transition);
}
.forum-board-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.forum-board-icon {
  font-size: 28px;
  flex-shrink: 0;
}
.forum-board-info {}
.forum-board-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-100);
  margin-bottom: 4px;
}
.forum-board-name a { color: inherit; }
.forum-board-name a:hover { color: var(--primary-300); }
.forum-board-desc {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 6px;
}
.forum-board-stats {
  display: flex;
  gap: var(--space-md);
  font-size: 11px;
  color: var(--gray-500);
}

/* 热帖列表 */
.hot-thread-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.hot-thread-item:last-child { border-bottom: none; }
.hot-badge {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.hot-badge.hot { background: rgba(239,68,68,0.2); color: #f87171; }
.hot-badge.elite { background: rgba(245,158,11,0.2); color: #fcd34d; }
.hot-badge.new { background: rgba(34,197,94,0.2); color: #4ade80; }

.hot-thread-title {
  flex: 1;
  font-size: 13px;
  color: var(--gray-200);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hot-thread-title a { color: inherit; }
.hot-thread-title a:hover { color: var(--primary-300); }
.hot-thread-count {
  font-size: 11px;
  color: var(--gray-500);
  flex-shrink: 0;
}

/* ============================================================
   侧边栏组件
   ============================================================ */
.sidebar-widget {
  background: var(--primary-800);
  border: 1px solid rgba(59,130,246,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-lg);
}
.widget-header {
  padding: 12px var(--space-md);
  background: rgba(59,130,246,0.08);
  border-bottom: 1px solid rgba(59,130,246,0.1);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.widget-body { padding: var(--space-md); }

/* 快速下载 */
.quick-dl-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.quick-dl-item:last-child { border-bottom: none; }
.quick-dl-name { font-size: 13px; color: var(--gray-200); }
.quick-dl-size { font-size: 11px; color: var(--gray-500); }
.btn-dl-sm {
  padding: 4px 10px;
  background: rgba(59,130,246,0.2);
  color: var(--primary-300);
  border-radius: var(--radius-sm);
  font-size: 11px;
  transition: var(--transition);
}
.btn-dl-sm:hover {
  background: var(--primary-500);
  color: var(--white);
}

/* 活跃用户 */
.active-user-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.active-user-tag {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: var(--radius-full);
  font-size: 11px;
  color: var(--gray-300);
  transition: var(--transition);
}
.active-user-tag:hover { background: rgba(59,130,246,0.2); color: var(--white); }
.active-user-avatar {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
}

/* ============================================================
   职业展示
   ============================================================ */
.class-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.class-card {
  background: linear-gradient(135deg, var(--primary-800), var(--primary-700));
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.class-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(59,130,246,0.3);
  border-color: rgba(59,130,246,0.5);
}
.class-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
  display: block;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}
.class-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--white), var(--primary-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.class-role {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: var(--space-md);
}
.class-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
}
.class-tag {
  padding: 2px 8px;
  background: rgba(59,130,246,0.15);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-full);
  font-size: 11px;
  color: var(--primary-300);
}

/* ============================================================
   通用按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
  color: var(--white);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--primary-400);
  color: var(--primary-300);
}
.btn-outline:hover {
  background: rgba(59,130,246,0.15);
  color: var(--white);
}
.btn-danger {
  background: rgba(239,68,68,0.2);
  border: 1px solid rgba(239,68,68,0.3);
  color: #f87171;
}
.btn-danger:hover { background: rgba(239,68,68,0.35); }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }

/* ============================================================
   表单样式
   ============================================================ */
.form-group { margin-bottom: var(--space-md); }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-300);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
}
.form-control:focus {
  border-color: var(--primary-400);
  background: rgba(59,130,246,0.08);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-control::placeholder { color: var(--gray-500); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-hint { font-size: 11px; color: var(--gray-500); margin-top: 4px; }
.form-error { font-size: 11px; color: #f87171; margin-top: 4px; }

/* ============================================================
   分页
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin: var(--space-xl) 0;
}
.page-info {
  font-size: 12px;
  color: var(--gray-400);
  margin-right: var(--space-sm);
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  background: var(--primary-800);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 13px;
  transition: var(--transition);
}
.page-btn:hover { background: rgba(59,130,246,0.2); color: var(--white); border-color: var(--primary-400); }
.page-btn.active {
  background: var(--primary-500);
  color: var(--white);
  border-color: var(--primary-500);
}
.page-ellipsis { color: var(--gray-500); padding: 0 4px; }

/* ============================================================
   警告/提示框
   ============================================================ */
.alert {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: #fcd34d; }
.alert-info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: var(--primary-200); }

/* ============================================================
   徽章
   ============================================================ */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}
.badge-top { background: rgba(239,68,68,0.2); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }
.badge-elite { background: rgba(245,158,11,0.2); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); }
.badge-hot { background: rgba(249,115,22,0.2); color: #fb923c; border: 1px solid rgba(249,115,22,0.3); }
.badge-new { background: rgba(34,197,94,0.2); color: #4ade80; border: 1px solid rgba(34,197,94,0.3); }
.badge-locked { background: rgba(100,116,139,0.3); color: #94a3b8; border: 1px solid rgba(100,116,139,0.4); }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: var(--primary-900);
  border-top: 1px solid rgba(59,130,246,0.15);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}
.footer-about .footer-logo {
  font-size: 22px;
  font-weight: 900;
  background: linear-gradient(90deg, var(--primary-300), var(--white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}
.footer-about p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}
.footer-social {
  display: flex;
  gap: var(--space-sm);
}
.social-btn {
  width: 36px;
  height: 36px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
  cursor: pointer;
}
.social-btn:hover {
  background: rgba(59,130,246,0.3);
  border-color: var(--primary-400);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-200);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(59,130,246,0.15);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 13px;
  color: var(--gray-500);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--primary-300);
  padding-left: 6px;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(59,130,246,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray-500);
}
.footer-icp a { color: var(--gray-500); }
.footer-icp a:hover { color: var(--gray-300); }

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gray-500);
  padding: var(--space-md) 0;
}
.breadcrumb a { color: var(--gray-400); }
.breadcrumb a:hover { color: var(--primary-300); }
.breadcrumb-sep { color: var(--gray-600); }

/* ============================================================
   页面标题横幅
   ============================================================ */
.page-banner {
  background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-700) 100%);
  border-bottom: 1px solid rgba(59,130,246,0.2);
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 30 L30 0 L60 30 L30 60Z' fill='none' stroke='rgba(59,130,246,0.05)' stroke-width='1'/%3E%3C/svg%3E") repeat;
}
.page-banner-content { position: relative; }
.page-banner h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}
.page-banner p { color: var(--gray-400); font-size: 14px; }

/* ============================================================
   加载动画
   ============================================================ */
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(59,130,246,0.2);
  border-top-color: var(--primary-400);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 20px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .layout-grid { grid-template-columns: 1fr; }
  .hero-content { grid-template-columns: 1fr; }
  .hero-servers { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .class-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .forum-board-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 32px; }
  .main-nav { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .class-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .class-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   工具类
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--gray-400); }
.text-small { font-size: 12px; }
.text-primary { color: var(--primary-300); }
.fw-bold { font-weight: 700; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.hidden { display: none !important; }
.w-full { width: 100%; }
.divider { height: 1px; background: rgba(59,130,246,0.1); margin: var(--space-lg) 0; }

/* ============================================================
   动画效果
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.animate-fade-up { animation: fadeInUp 0.5s ease forwards; }
.animate-fade { animation: fadeIn 0.4s ease forwards; }

/* 骨架屏 */
.skeleton {
  background: linear-gradient(90deg, var(--primary-800) 25%, var(--primary-700) 50%, var(--primary-800) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}