/* ================================================
   预测之神 - 全站公共样式
   主题：神秘星空 · 水晶球预言
   ================================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #6c3de8;
  --primary-dark: #4a1fa8;
  --primary-light: #9d6ef8;
  --accent: #f5c518;
  --accent-light: #ffe066;
  --bg-dark: #0a0a1a;
  --bg-card: rgba(20, 15, 50, 0.85);
  --bg-card2: rgba(30, 20, 70, 0.9);
  --bg-nav: rgba(8, 5, 25, 0.97);
  --text-primary: #e8e0ff;
  --text-secondary: #a89dd0;
  --text-muted: #6b5f99;
  --border: rgba(108, 61, 232, 0.35);
  --border-hover: rgba(245, 197, 24, 0.6);
  --glow: 0 0 20px rgba(108, 61, 232, 0.5);
  --glow-gold: 0 0 15px rgba(245, 197, 24, 0.5);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* 星空背景 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(108, 61, 232, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(157, 110, 248, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(75, 0, 130, 0.15) 0%, transparent 50%),
    linear-gradient(135deg, #0a0a1a 0%, #0d0826 50%, #0a0a1a 100%);
  pointer-events: none;
  z-index: -2;
}

/* 动态星点 */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    radial-gradient(circle, #fff 1px, transparent 1px),
    radial-gradient(circle, rgba(255,255,255,0.6) 1px, transparent 1px),
    radial-gradient(circle, rgba(245,197,24,0.8) 1px, transparent 1px);
  background-size: 200px 200px, 150px 150px, 300px 300px;
  background-position: 0 0, 70px 50px, 130px 100px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
  animation: starTwinkle 8s ease-in-out infinite alternate;
}

@keyframes starTwinkle {
  0% { opacity: 0.3; }
  100% { opacity: 0.6; }
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
input, textarea, select, button { font-family: inherit; outline: none; }

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

/* ---------- 顶部导航 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.5);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.nav-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: radial-gradient(circle at 35% 35%, #c084fc, #6c3de8 60%, #3b1a7a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 20px rgba(108,61,232,0.8), inset 0 0 10px rgba(255,255,255,0.2);
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(108,61,232,0.8), inset 0 0 10px rgba(255,255,255,0.2); }
  50% { box-shadow: 0 0 35px rgba(157,110,248,1), 0 0 60px rgba(108,61,232,0.4), inset 0 0 15px rgba(255,255,255,0.3); }
}

.nav-logo .logo-text-main { color: #fff; }
.nav-logo .logo-text-sub {
  font-size: 12px;
  color: var(--accent);
  font-weight: 400;
  letter-spacing: 3px;
  display: block;
  line-height: 1;
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-menu a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #fff;
  background: rgba(108,61,232,0.25);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* 导航右侧 */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-points {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: rgba(245,197,24,0.1);
  border: 1px solid rgba(245,197,24,0.3);
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}

.nav-points .point-icon { font-size: 16px; }

.btn-login, .btn-register {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-login {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-login:hover {
  color: #fff;
  border-color: var(--primary-light);
}

.btn-register {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(108,61,232,0.4);
}

.btn-register:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(108,61,232,0.6);
}

.nav-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  cursor: pointer;
  border: 2px solid var(--primary);
  transition: var(--transition);
}

.nav-avatar:hover { border-color: var(--accent); }

/* 汉堡菜单（移动端） */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

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

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  box-shadow: 0 4px 15px rgba(108,61,232,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: #1a0e00;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(245,197,24,0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  color: #fff;
  border-color: var(--primary-light);
  background: rgba(108,61,232,0.15);
}

.btn-sm { padding: 7px 16px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 12px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 30px rgba(108,61,232,0.2);
  transform: translateY(-3px);
}

/* ---------- 预测卡片 ---------- */
.predict-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.predict-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  background-size: 200% 100%;
  opacity: 0;
  transition: var(--transition);
}

.predict-card:hover::before { opacity: 1; animation: shimmer 2s linear infinite; }

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.predict-card:hover {
  border-color: rgba(108,61,232,0.6);
  box-shadow: 0 10px 40px rgba(108,61,232,0.25);
  transform: translateY(-5px);
}

.predict-card-header {
  padding: 16px 18px 12px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.predict-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.tag-sports { background: rgba(255,100,100,0.2); color: #ff6464; border: 1px solid rgba(255,100,100,0.3); }
.tag-military { background: rgba(100,180,100,0.2); color: #64b464; border: 1px solid rgba(100,180,100,0.3); }
.tag-entertainment { background: rgba(255,150,50,0.2); color: #ff9632; border: 1px solid rgba(255,150,50,0.3); }
.tag-stock { background: rgba(100,220,180,0.2); color: #64dcb4; border: 1px solid rgba(100,220,180,0.3); }
.tag-tech { background: rgba(100,180,255,0.2); color: #64b4ff; border: 1px solid rgba(100,180,255,0.3); }
.tag-world { background: rgba(200,100,255,0.2); color: #c864ff; border: 1px solid rgba(200,100,255,0.3); }
.tag-nature { background: rgba(100,230,130,0.2); color: #64e682; border: 1px solid rgba(100,230,130,0.3); }
.tag-economy { background: rgba(255,200,50,0.2); color: #ffc832; border: 1px solid rgba(255,200,50,0.3); }
.tag-society { background: rgba(255,100,200,0.2); color: #ff64c8; border: 1px solid rgba(255,100,200,0.3); }
.tag-hot { background: rgba(255,80,80,0.2); color: #ff5050; border: 1px solid rgba(255,80,80,0.3); }

.predict-card-deadline {
  font-size: 11px;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 3px;
  flex-shrink: 0;
}

.predict-card-title {
  padding: 0 18px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 进度条区 */
.predict-options-bar {
  padding: 0 18px 14px;
}

.option-bar-item {
  margin-bottom: 8px;
}

.option-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.option-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}

.option-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transition: width 0.8s ease;
}

.option-bar-fill.gold { background: linear-gradient(90deg, #b8860b, var(--accent)); }

/* 卡片底部 */
.predict-card-footer {
  padding: 12px 18px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(108,61,232,0.15);
}

.predict-card-stats {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.predict-card-stats span {
  display: flex; align-items: center; gap: 3px;
}

.stat-highlight { color: var(--accent) !important; font-weight: 600; }

.btn-join {
  padding: 7px 18px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}

.btn-join:hover {
  box-shadow: 0 4px 15px rgba(108,61,232,0.5);
  transform: translateY(-1px);
}

/* ---------- 区块标题 ---------- */
.section {
  padding: 50px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.section-title .title-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: var(--glow);
}

.section-title .title-line {
  width: 3px; height: 24px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  border-radius: 2px;
}

.section-more {
  font-size: 13px;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 4px;
  transition: var(--transition);
}

.section-more:hover { color: var(--primary-light); }

/* ---------- 3列网格 ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ---------- 分类选项卡 ---------- */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.cat-tab {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: transparent;
  transition: var(--transition);
  display: flex; align-items: center; gap: 5px;
}

.cat-tab:hover {
  color: #fff;
  border-color: var(--primary-light);
  background: rgba(108,61,232,0.15);
}

.cat-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(108,61,232,0.4);
}

/* ---------- 表单样式 ---------- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-label .required { color: #ff6464; margin-left: 3px; }

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-light);
  background: rgba(108,61,232,0.08);
  box-shadow: 0 0 0 3px rgba(108,61,232,0.15);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b5f99' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ---------- 徽章/标签 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-active { background: rgba(100,220,100,0.2); color: #64dc64; border: 1px solid rgba(100,220,100,0.3); }
.badge-ended { background: rgba(150,150,150,0.2); color: #969696; border: 1px solid rgba(150,150,150,0.3); }
.badge-settling { background: rgba(245,197,24,0.2); color: var(--accent); border: 1px solid rgba(245,197,24,0.3); }
.badge-hot { background: rgba(255,80,80,0.2); color: #ff5050; border: 1px solid rgba(255,80,80,0.3); }

/* ---------- 页脚 ---------- */
.footer {
  background: rgba(5, 3, 15, 0.97);
  border-top: 1px solid var(--border);
  padding: 50px 0 0;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .brand-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 14px 0 20px;
}

.footer-social {
  display: flex; gap: 10px;
}

.social-btn {
  width: 36px; height: 36px;
  background: rgba(108,61,232,0.2);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.social-btn:hover {
  background: rgba(108,61,232,0.4);
  border-color: var(--primary-light);
}

.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
  display: flex; align-items: center; gap: 5px;
}

.footer-links a:hover { color: var(--primary-light); padding-left: 3px; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- 页面标题区 ---------- */
.page-hero {
  padding: 50px 0 40px;
  text-align: center;
  position: relative;
}

.page-hero-title {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.page-hero-sub {
  font-size: 15px;
  color: var(--text-secondary);
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
}

.page-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  background: transparent;
  transition: var(--transition);
  text-decoration: none;
}

.page-btn:hover, .page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------- 弹窗通用 ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 90%;
  max-width: 480px;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-overlay.show .modal-box {
  transform: translateY(0) scale(1);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
}

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--text-secondary);
  width: 30px; height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}

.modal-close:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* ---------- 提示框 ---------- */
.toast {
  position: fixed;
  top: 80px; right: 20px;
  z-index: 9999;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 20px;
  display: flex; align-items: center; gap: 10px;
  font-size: 14px;
  color: var(--text-primary);
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  transform: translateX(120%);
  transition: transform 0.35s ease;
  min-width: 240px;
}

.toast.show { transform: translateX(0); }
.toast.success { border-left: 3px solid #64dc64; }
.toast.error { border-left: 3px solid #ff6464; }
.toast.info { border-left: 3px solid var(--primary-light); }

/* ---------- 排名徽章 ---------- */
.rank-1 { color: #ffd700; }
.rank-2 { color: #c0c0c0; }
.rank-3 { color: #cd7f32; }

/* ---------- 空状态 ---------- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state p { font-size: 15px; }

/* ---------- 加载动画 ---------- */
.loading-spin {
  width: 20px; height: 20px;
  border: 2px solid rgba(108,61,232,0.3);
  border-top-color: var(--primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.02); }
::-webkit-scrollbar-thumb { background: rgba(108,61,232,0.4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108,61,232,0.7); }

/* ---------- 公告横幅 ---------- */
.marquee-bar {
  background: rgba(108,61,232,0.15);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.marquee-label {
  flex-shrink: 0;
  padding: 0 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  display: flex; align-items: center; gap: 5px;
  border-right: 1px solid var(--border);
  margin-right: 16px;
}

.marquee-track {
  flex: 1;
  overflow: hidden;
}

.marquee-content {
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-secondary);
  animation: marqueeScroll 30s linear infinite;
  display: inline-block;
}

@keyframes marqueeScroll {
  0% { transform: translateX(100vw); }
  100% { transform: translateX(-100%); }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-nav);
    padding: 16px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
    max-height: 70vh;
    overflow-y: auto;
  }
  .nav-menu.open a {
    padding: 12px 16px;
    border-radius: 8px;
  }
  .nav-toggle { display: flex; }
  .nav-right { gap: 8px; }
  .nav-points { padding: 4px 10px; font-size: 12px; }
  .nav-avatar { width: 32px; height: 32px; font-size: 16px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero-title { font-size: 26px; }
  .section-title { font-size: 18px; }
  .container { padding: 0 16px; }
}

/* 超小屏幕适配 (iPhone SE等) */
@media (max-width: 375px) {
  .nav-logo { font-size: 18px; }
  .nav-logo .logo-icon { width: 36px; height: 36px; font-size: 18px; }
  .nav-logo .logo-text-sub { display: none; }
  .nav-points { font-size: 11px; padding: 3px 8px; }
  .container { padding: 0 12px; }
}

/* 手机端弹窗和Toast适配 */
@media (max-width: 768px) {
  .modal-box {
    padding: 24px;
    width: 92%;
    max-width: 380px;
    max-height: 80vh;
    overflow-y: auto;
  }

  .modal-title { font-size: 16px; margin-bottom: 16px; }
  .modal-close {
    width: 32px; height: 32px;
    font-size: 16px;
    top: 12px; right: 12px;
  }

  .toast {
    top: 70px;
    right: 12px;
    left: 12px;
    min-width: auto;
    font-size: 13px;
    padding: 12px 16px;
  }

  /* 表单样式适配 */
  .form-control {
    padding: 10px 14px;
    font-size: 13px;
  }

  textarea.form-control {
    min-height: 80px;
  }

  select.form-control {
    padding-right: 36px;
    background-position: right 12px center;
  }

  /* 按钮适配 */
  .btn {
    padding: 8px 16px;
    font-size: 13px;
  }

  .btn-sm {
    padding: 6px 12px;
    font-size: 11px;
  }
}