/* ===== CSS Variables ===== */
:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --bg-input: #16213e;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --text-muted: #6c6c80;
  --border-color: #2a2a4a;
  --shadow: 0 4px 20px rgba(0,0,0,0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --nav-height: 64px;
  --max-width: 1280px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  padding-top: var(--nav-height);
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea {
  font-family: inherit; font-size: inherit; outline: none; border: none;
}

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

/* ===== Navigation ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: rgba(22, 33, 62, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}
.navbar .container {
  display: flex; align-items: center; height: 100%; gap: 24px;
}
.nav-logo {
  font-size: 1.4rem; font-weight: 700; color: var(--accent);
  white-space: nowrap; flex-shrink: 0;
}
.nav-links { display: flex; gap: 20px; flex-shrink: 0; }
.nav-links a {
  color: var(--text-secondary); font-size: 0.95rem; padding: 4px 0;
  border-bottom: 2px solid transparent; transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary); border-bottom-color: var(--accent);
}
.nav-search {
  flex: 1; max-width: 320px; position: relative;
}
.nav-search input {
  width: 100%; padding: 8px 40px 8px 16px; border-radius: 20px;
  background: var(--bg-primary); color: var(--text-primary);
  border: 1px solid var(--border-color); transition: var(--transition);
}
.nav-search input:focus { border-color: var(--accent); }
.nav-search .search-btn {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: none; color: var(--text-secondary); cursor: pointer;
  padding: 6px 10px; font-size: 1rem;
}
.nav-user { display: flex; align-items: center; gap: 12px; flex-shrink: 0; margin-left: auto; }
.nav-user .btn-login, .nav-user .btn-register {
  padding: 6px 16px; border-radius: 20px; font-size: 0.9rem; cursor: pointer;
  transition: var(--transition);
}
.nav-user .btn-login {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.nav-user .btn-login:hover { border-color: var(--accent); color: var(--accent); }
.nav-user .btn-register {
  background: linear-gradient(135deg, var(--accent), #c0392b);
  color: #fff; border: none;
}
.nav-user .btn-register:hover { opacity: 0.9; }
.user-dropdown { position: relative; display: none; }
.user-dropdown.show { display: flex; }
.user-dropdown .avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 0.95rem;
  cursor: pointer; color: #fff;
}
.user-dropdown .dropdown-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); min-width: 160px; padding: 8px 0;
  box-shadow: var(--shadow); display: none;
}
.user-dropdown .dropdown-menu.show { display: block; }
.user-dropdown .dropdown-menu a,
.user-dropdown .dropdown-menu button {
  display: block; width: 100%; text-align: left; padding: 10px 16px;
  color: var(--text-secondary); background: none; cursor: pointer;
  font-size: 0.9rem; border: none;
}
.user-dropdown .dropdown-menu a:hover,
.user-dropdown .dropdown-menu button:hover {
  background: var(--bg-primary); color: var(--text-primary);
}
.hamburger {
  display: none; background: none; color: var(--text-primary);
  font-size: 1.5rem; cursor: pointer; padding: 4px;
}

/* ===== Banner / Carousel ===== */
.banner { position: relative; overflow: hidden; border-radius: var(--radius); margin: 24px 0; }
.banner-track {
  display: flex; transition: transform 0.6s ease;
}
.banner-slide {
  min-width: 100%; position: relative; aspect-ratio: 3/1;
  background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
}
.banner-slide img {
  width: 100%; height: 100%; object-fit: cover;
}
.banner-slide .banner-text {
  position: absolute; bottom: 30px; left: 30px;
  font-size: 1.5rem; font-weight: 700; text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}
.banner-dots {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px;
}
.banner-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer; transition: var(--transition);
}
.banner-dots span.active { background: var(--accent); width: 24px; border-radius: 5px; }

/* ===== Section ===== */
.section { margin: 32px 0; }
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.section-header h2 { font-size: 1.4rem; font-weight: 700; }
.section-header a { font-size: 0.9rem; color: var(--text-secondary); }

/* ===== Grid Cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.card {
  background: var(--bg-card); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}
.card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 8px 30px rgba(233, 69, 96, 0.15);
}
.card-cover {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
  background: var(--bg-secondary);
}
.card-cover img {
  width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease;
}
.card:hover .card-cover img { transform: scale(1.08); }
.card-cover .tag {
  position: absolute; top: 8px; left: 8px;
  background: var(--accent); color: #fff; font-size: 0.75rem;
  padding: 2px 8px; border-radius: 4px;
}
.card-cover .views {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.7); color: #fff; font-size: 0.75rem;
  padding: 2px 8px; border-radius: 4px;
}
.card-info { padding: 12px; }
.card-info h3 {
  font-size: 0.95rem; font-weight: 600; margin-bottom: 6px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card-info .meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-muted);
}

/* ===== Filter / Sort Bar ===== */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--border-color); margin-bottom: 24px;
}
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tabs .tab {
  padding: 6px 18px; border-radius: 20px; font-size: 0.9rem;
  background: var(--bg-secondary); color: var(--text-secondary);
  cursor: pointer; border: 1px solid transparent; transition: var(--transition);
}
.filter-tabs .tab:hover { color: var(--text-primary); border-color: var(--border-color); }
.filter-tabs .tab.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.sort-group { margin-left: auto; display: flex; gap: 8px; }
.sort-group .sort-btn {
  padding: 6px 14px; border-radius: 20px; font-size: 0.85rem;
  background: var(--bg-secondary); color: var(--text-secondary);
  cursor: pointer; border: 1px solid transparent; transition: var(--transition);
}
.sort-group .sort-btn.active {
  background: var(--accent); color: #fff;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm); font-size: 1rem;
  font-weight: 600; cursor: pointer; transition: var(--transition); border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #c0392b);
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-lg { padding: 16px 48px; font-size: 1.1rem; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== Forms ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; margin-bottom: 8px; font-size: 0.9rem; color: var(--text-secondary);
}
.form-control {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text-primary);
  border: 1px solid var(--border-color); transition: var(--transition);
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(233,69,96,0.15); }
.form-control::placeholder { color: var(--text-muted); }

/* ===== Pagination ===== */
.pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 8px; margin: 32px 0;
}
.pagination .page-btn {
  min-width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--bg-secondary); color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border: 1px solid transparent;
  font-size: 0.9rem; transition: var(--transition);
}
.pagination .page-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.pagination .page-btn.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.pagination .page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal {
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 32px; max-width: 480px; width: 90%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: translateY(20px); transition: var(--transition);
}
.modal-overlay.show .modal { transform: translateY(0); }
.modal h3 { margin-bottom: 20px; font-size: 1.3rem; }
.modal-close {
  float: right; background: none; color: var(--text-secondary);
  font-size: 1.5rem; cursor: pointer; line-height: 1;
}

/* ===== Detail Page ===== */
.detail-hero {
  position: relative; border-radius: var(--radius); overflow: hidden;
  margin: 24px 0; aspect-ratio: 21/9; background: var(--bg-card);
}
.detail-hero img { width: 100%; height: 100%; object-fit: cover; }
.detail-hero .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(transparent 40%, rgba(26,26,46,0.95));
}
.detail-info {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
}
.detail-info h1 { font-size: 1.8rem; margin-bottom: 8px; }
.detail-info .tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.detail-info .tags span {
  background: rgba(233,69,96,0.2); color: var(--accent);
  padding: 3px 10px; border-radius: 4px; font-size: 0.85rem;
}
.detail-info .meta-text { color: var(--text-secondary); font-size: 0.9rem; }
.detail-body { margin: 24px 0; }
.detail-body .description {
  color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px;
}
.detail-body .episodes-info {
  background: var(--bg-card); padding: 16px 20px; border-radius: var(--radius-sm);
  margin-bottom: 24px; color: var(--text-secondary);
}
.detail-actions { display: flex; gap: 16px; margin-bottom: 32px; }

/* ===== Ad Page ===== */
.ad-page {
  position: fixed; inset: 0; z-index: 3000;
  background: var(--bg-primary);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ad-page .ad-hint {
  position: absolute; top: 24px; color: var(--text-secondary); font-size: 0.95rem;
}
.ad-content {
  max-width: 600px; width: 90%; text-align: center;
}
.ad-content img {
  width: 100%; border-radius: var(--radius); margin-bottom: 24px;
}
.ad-content .ad-title { font-size: 1.3rem; margin-bottom: 16px; }
.countdown-circle {
  width: 100px; height: 100px; position: relative;
  margin: 24px auto;
}
.countdown-circle svg { transform: rotate(-90deg); }
.countdown-circle circle {
  fill: none; stroke-width: 4;
}
.countdown-circle .bg { stroke: var(--border-color); }
.countdown-circle .progress {
  stroke: var(--accent); stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
}
.countdown-circle .number {
  position: absolute; inset: 0; display: flex; align-items: center;
  justify-content: center; font-size: 2rem; font-weight: 700;
}
.ad-skip {
  margin-top: 20px;
}

/* ===== Auth Page ===== */
.auth-page {
  min-height: calc(100vh - var(--nav-height));
  display: flex; align-items: center; justify-content: center; padding: 40px 20px;
}
.auth-card {
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 40px; max-width: 420px; width: 100%; box-shadow: var(--shadow);
}
.auth-card h2 { text-align: center; margin-bottom: 24px; }
.auth-tabs {
  display: flex; margin-bottom: 24px; border-bottom: 1px solid var(--border-color);
}
.auth-tabs .tab {
  flex: 1; text-align: center; padding: 12px; cursor: pointer;
  color: var(--text-secondary); font-weight: 600;
  border-bottom: 2px solid transparent; transition: var(--transition);
}
.auth-tabs .tab.active {
  color: var(--accent); border-bottom-color: var(--accent);
}
.auth-form { display: none; }
.auth-form.active { display: block; }

/* ===== User Profile ===== */
.profile-layout {
  display: grid; grid-template-columns: 220px 1fr; gap: 24px; margin: 24px 0;
}
.profile-sidebar {
  background: var(--bg-secondary); border-radius: var(--radius);
  padding: 24px; height: fit-content;
}
.profile-sidebar .avatar-lg {
  width: 80px; height: 80px; border-radius: 50%; background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 700; color: #fff;
  margin: 0 auto 16px;
}
.profile-sidebar .user-name { text-align: center; font-weight: 600; margin-bottom: 4px; }
.profile-sidebar .user-vip {
  text-align: center; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px;
}
.profile-sidebar .vip-badge {
  display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 0.8rem;
  font-weight: 600;
}
.vip-0 { background: var(--border-color); color: var(--text-secondary); }
.vip-1 { background: linear-gradient(135deg, #f39c12, #e67e22); color: #fff; }
.vip-2 { background: linear-gradient(135deg, #9b59b6, #8e44ad); color: #fff; }
.profile-tabs { display: flex; flex-direction: column; gap: 4px; }
.profile-tabs .tab {
  padding: 10px 16px; border-radius: var(--radius-sm);
  color: var(--text-secondary); cursor: pointer;
  font-size: 0.9rem; transition: var(--transition); border: none;
  background: none; text-align: left; width: 100%;
}
.profile-tabs .tab:hover { background: var(--bg-primary); color: var(--text-primary); }
.profile-tabs .tab.active { background: var(--accent); color: #fff; }
.profile-content {
  background: var(--bg-secondary); border-radius: var(--radius); padding: 24px;
}
.profile-section { display: none; }
.profile-section.active { display: block; }

/* ===== Table ===== */
.table-wrap { overflow-x: auto; }
table {
  width: 100%; border-collapse: collapse; font-size: 0.9rem;
}
table th, table td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid var(--border-color);
}
table th { color: var(--text-secondary); font-weight: 600; white-space: nowrap; }
table td { color: var(--text-primary); }
.status-success { color: #2ecc71; }
.status-pending { color: #f39c12; }
.status-failed { color: var(--accent); }

/* ===== Recharge Page ===== */
.recharge-cards {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 24px 0;
}
.recharge-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 28px;
  text-align: center; border: 2px solid transparent;
  cursor: pointer; transition: var(--transition);
}
.recharge-card:hover, .recharge-card.selected {
  border-color: var(--accent); transform: translateY(-4px);
}
.recharge-card .plan-name { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.recharge-card .plan-price { font-size: 2rem; font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.recharge-card .plan-price small { font-size: 0.9rem; color: var(--text-muted); }
.recharge-card .plan-desc { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }
.payment-methods {
  display: flex; gap: 12px; margin: 20px 0; flex-wrap: wrap;
}
.payment-method {
  padding: 12px 24px; border-radius: var(--radius-sm);
  background: var(--bg-card); color: var(--text-secondary);
  cursor: pointer; border: 2px solid transparent;
  transition: var(--transition); font-size: 0.95rem;
}
.payment-method:hover { border-color: var(--border-color); }
.payment-method.selected { border-color: var(--accent); color: var(--text-primary); }
.card-input-group {
  display: none; margin: 20px 0; gap: 12px;
}
.card-input-group.show { display: flex; flex-direction: column; }

/* ===== Toast ===== */
.toast-container {
  position: fixed; top: 80px; right: 20px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 20px; border-radius: var(--radius-sm);
  color: #fff; font-size: 0.9rem; min-width: 240px;
  box-shadow: var(--shadow); animation: slideIn 0.3s ease;
}
.toast-success { background: #27ae60; }
.toast-error { background: #e74c3c; }
.toast-info { background: #2980b9; }
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== Loading ===== */
.loading-overlay {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(26,26,46,0.6);
  display: none; align-items: center; justify-content: center;
}
.loading-overlay.show { display: flex; }
.spinner {
  width: 48px; height: 48px; border: 4px solid var(--border-color);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Footer ===== */
.footer {
  text-align: center; padding: 32px 0; color: var(--text-muted);
  border-top: 1px solid var(--border-color); margin-top: 48px; font-size: 0.85rem;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--text-muted);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 12px; }

/* ===== Admin Backend Layout ===== */
.admin-body {
  background: #f0f2f5;
  padding-top: 0;
}

/* 侧边栏 */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: 240px; background: #304156; color: #fff;
  padding-top: 0; z-index: 100; transition: transform .3s;
}
.sidebar-header {
  padding: 20px; text-align: center;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-header h2 { font-size: 16px; color: #fff; }
.sidebar-nav { list-style: none; padding: 10px 0; }
.sidebar-nav li a {
  display: flex; align-items: center; padding: 14px 24px;
  color: #bfcbd9; text-decoration: none; font-size: 14px; transition: all .2s;
}
.sidebar-nav li a:hover,
.sidebar-nav li a.active {
  background: rgba(255,255,255,.08); color: #409eff;
}
.sidebar-nav li a .icon {
  margin-right: 10px; font-size: 16px; width: 20px; text-align: center;
}

/* 主内容区 */
.main {
  margin-left: 240px; padding: 24px;
  min-height: 100vh; transition: margin-left .3s;
}
.top-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; background: #fff;
  padding: 16px 24px; border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.top-bar h1 { font-size: 20px; color: #303133; }
.top-bar .user-info { color: #909399; font-size: 13px; }
.menu-toggle {
  display: none; background: none; border: none;
  font-size: 22px; cursor: pointer; color: #606266;
}

/* 统计卡片 */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 24px;
}
.stat-card {
  background: #fff; border-radius: 8px;
  padding: 20px 24px; box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.stat-card .label { color: #909399; font-size: 13px; margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: #303133; }
.stat-card.blue  .value { color: #409eff; }
.stat-card.green .value { color: #67c23a; }
.stat-card.orange .value { color: #e6a23c; }
.stat-card.purple .value { color: #9b59b6; }

/* 后台内容卡片 */
.admin-card {
  background: #fff; border-radius: 8px;
  padding: 20px 24px; box-shadow: 0 1px 4px rgba(0,0,0,.06);
  margin-bottom: 24px;
}
.card-header {
  font-size: 16px; font-weight: 600; margin-bottom: 16px;
  color: #303133; padding-bottom: 12px;
  border-bottom: 1px solid #ebeef5;
}

/* 表格斑马纹 */
table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.02);
}
table tbody tr:hover {
  background: rgba(64, 158, 255, 0.04);
}

/* 工具栏 */
.toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px; flex-wrap: wrap; gap: 10px;
}
.search-box { display: flex; gap: 8px; }
.search-box input {
  padding: 8px 14px; border: 1px solid #dcdfe6;
  border-radius: 4px; width: 220px; outline: none;
}
.search-box input:focus { border-color: #409eff; }

/* 徽章 */
.badge {
  display: inline-block; padding: 2px 8px;
  border-radius: 10px; font-size: 12px;
}
.badge-success { background: #e1f3d8; color: #67c23a; }
.badge-danger  { background: #fde2e2; color: #f56c6c; }
.badge-info    { background: #d9ecff; color: #409eff; }
.badge-warning { background: #faecd8; color: #e6a23c; }

/* 后台小按钮 */
.btn-small { padding: 4px 10px; font-size: 12px; border-radius: 4px; }
.btn-success { background: #67c23a; color: #fff; }
.btn-success:hover { background: #5daf34; }
.btn-danger  { background: #f56c6c; color: #fff; }
.btn-danger:hover  { background: #e04b4b; }

/* 后台 Toast（单元素模式） */
#toast {
  position: fixed; top: 20px; right: 20px; z-index: 9999;
  padding: 12px 20px; border-radius: 6px;
  color: #fff; font-size: 14px; min-width: 200px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  opacity: 0; transform: translateX(100%);
  transition: all .3s ease; pointer-events: none;
}
#toast.show {
  opacity: 1; transform: translateX(0); pointer-events: auto;
}
#toast.toast-success { background: #67c23a; }
#toast.toast-error   { background: #f56c6c; }
#toast.toast-info    { background: #409eff; }

/* 后台分页 */
.pagination-wrap {
  display: flex; justify-content: center; align-items: center;
  gap: 6px; margin-top: 16px; padding-top: 16px;
  border-top: 1px solid #ebeef5;
}
.pagination-wrap button {
  padding: 6px 12px; border: 1px solid #dcdfe6;
  border-radius: 4px; background: #fff; color: #606266;
  cursor: pointer; font-size: 13px; transition: all .2s;
}
.pagination-wrap button:hover { border-color: #409eff; color: #409eff; }
.pagination-wrap button.current { background: #409eff; color: #fff; border-color: #409eff; }
.pagination-wrap button:disabled { opacity: .4; cursor: not-allowed; }
.pagination-wrap span { color: #909399; font-size: 13px; }

/* 后台模态框扩展 */
.modal-overlay.active {
  opacity: 1; visibility: visible;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px;
}
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid #ebeef5;
}

/* 后台响应式 */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-240px); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .menu-toggle { display: block; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .stats-row { grid-template-columns: 1fr; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .profile-layout { grid-template-columns: 1fr; }
  .profile-sidebar { display: flex; align-items: center; gap: 16px; }
  .profile-sidebar .avatar-lg { margin: 0; width: 56px; height: 56px; font-size: 1.4rem; }
  .profile-sidebar .user-name,
  .profile-sidebar .user-vip { text-align: left; }
  .profile-tabs { flex-direction: row; overflow-x: auto; }
}
@media (max-width: 768px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .nav-links { display: none; }
  .nav-links.show {
    display: flex; flex-direction: column; position: absolute;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--bg-secondary); padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
  }
  .hamburger { display: block; }
  .nav-search { max-width: 200px; }
  .banner-slide { aspect-ratio: 2/1; }
  .banner-slide .banner-text { font-size: 1.1rem; bottom: 16px; left: 16px; }
  .detail-info h1 { font-size: 1.3rem; }
  .recharge-cards { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: flex-start; }
  .sort-group { margin-left: 0; }
}
@media (max-width: 480px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card-info { padding: 8px; }
  .card-info h3 { font-size: 0.85rem; }
  .section-header h2 { font-size: 1.1rem; }
  .auth-card { padding: 24px; }
  .detail-actions { flex-direction: column; }
  .btn-lg { padding: 14px 32px; }
}