/* 公共样式（供 index.php 与 table_selection.php 复用） */

/* 基础 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: #1c1c1e;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #ffffff;
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    min-height: 100vh;
}

/* 通用卡片（Apple风格） */
.card-like, .service-card, .step-card, .results-table, .navigation, .page-header, .mobile-task-card, .domain-search-container,
.selection-search-container, .check-card, .table-like {
    background: #2c2c2e;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
}

/* 渐变主色与常用颜色变量（通过类使用） */
.gradient-primary { background: linear-gradient(135deg, #007aff, #5856d6); }
.gradient-success { background: linear-gradient(135deg, #34c759, #30d158); }
.gradient-warning { background: linear-gradient(135deg, #ff9500, #ff9f0a); }
.gradient-danger  { background: linear-gradient(135deg, #ff3b30, #ff453a); }

/* Service Card（首页卡片）与通用悬停效果 */
.service-card {
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.service-card::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(0,122,255,0.08) 0%, rgba(0,122,255,0.03) 100%);
    opacity: 0; transition: opacity .4s ease;
}
.service-card::after {
    content: '';
    position: absolute; inset: -2px;
    background: linear-gradient(135deg, #007aff, #5856d6, #af52de, #ff3b30, #ff9500);
    border-radius: 22px; opacity: 0; transition: opacity .4s ease; z-index: -1;
}
.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 8px 16px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.2);
    border-color: rgba(0,122,255,0.4); background: #3a3a3c;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover::after { opacity: .3; }
.card-icon { width: 72px; height: 72px; border-radius: 18px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.8rem; box-shadow: 0 4px 12px rgba(0,0,0,0.2), 0 2px 4px rgba(0,0,0,0.1); transition: all .3s ease; margin-bottom: 40px; }
.service-card:hover .card-icon { transform: scale(1.1) rotate(5deg); box-shadow: 0 8px 20px rgba(0,0,0,0.3), 0 4px 8px rgba(0,0,0,0.2); margin-bottom: 40px; }
.card-icon-blue { background: linear-gradient(135deg, #007aff, #5856d6); }
.card-icon-green { background: linear-gradient(135deg, #34c759, #30d158); }
.card-icon-orange { background: linear-gradient(135deg, #ff9500, #ff9f0a); }
.card-icon-purple { background: linear-gradient(135deg, #af52de, #bf5af2); }
.card-icon-red { background: linear-gradient(135deg, #ff3b30, #ff453a); }
.card-icon-yellow { background: linear-gradient(135deg, #ffcc00, #ffd700); }

.card-title { font-size: 1.25rem; font-weight: 600; color: #fff; margin-bottom: 12px; }
.card-description { font-size: 1rem; color: rgba(255,255,255,0.8); }

/* table_selection 页面通用样式抽取 */
.page-header { border-radius: 20px; padding: 40px 32px; margin-bottom: 32px; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,122,255,0.08) 0%, rgba(0,122,255,0.03) 100%); opacity: .3; }
.page-header h1 { font-size: 2.5rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.page-header p { font-size: 1.125rem; color: rgba(255,255,255,0.8); }

.navigation { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; padding: 16px; }
.breadcrumb { flex: 1; background: none; padding: 0; font-size: .875rem; }
.breadcrumb-item { color: rgba(255,255,255,0.8); }
.breadcrumb-item.active { color: #007aff; font-weight: 500; }
.breadcrumb-item + .breadcrumb-item::before { content: "›"; color: rgba(255,255,255,0.6); }

/* 渐变面包屑样式（每个项独立显示） */
.breadcrumb-gradient {
    display: inline-flex;
    align-items: center;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
}
.breadcrumb-gradient .breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 0;
    margin: 0;
    background: none;
}
.breadcrumb-gradient .breadcrumb-item {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(0,122,255,0.18), rgba(0,122,255,0.08));
    border: 1px solid rgba(0,122,255,0.25);
    box-shadow: 0 8px 22px rgba(0,122,255,0.18);
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    letter-spacing: 0.25px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.breadcrumb-gradient .breadcrumb-item a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: color 0.2s ease;
}
.breadcrumb-gradient .breadcrumb-item a:hover {
    color: #fff;
}
.breadcrumb-gradient .breadcrumb-item.active {
    color: #fff;
    font-weight: 600;
}
.breadcrumb-gradient .breadcrumb-item + .breadcrumb-item {
    margin-left: 22px;
}
.breadcrumb-gradient .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    position: absolute;
    left: -18px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.65);
    text-shadow: 0 1px 2px rgba(0,0,0,0.35);
    font-weight: 600;
}
.breadcrumb-gradient .breadcrumb-item i {
    margin-right: 4px;
}

.step-card { padding: 40px 32px; position: relative; overflow: hidden; }
.step-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #007aff, #5856d6); }
.step-title { font-size: 1.5rem; font-weight: 600; color: #fff; margin-bottom: 24px; display: flex; align-items: center; gap: 16px; }
.step-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.25rem; box-shadow: 0 4px 12px rgba(0,0,0,0.2), 0 2px 4px rgba(0,0,0,0.1); }

.mode-selection { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 24px; }
.mode-card { background: #3a3a3c; border: 2px solid rgba(255,255,255,0.08); border-radius: 20px; padding: 40px 32px; text-align: center; cursor: pointer; transition: all .4s cubic-bezier(0.25,0.46,0.45,0.94); position: relative; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1); }
.mode-card:hover { border-color: rgba(0,122,255,0.4); transform: translateY(-8px) scale(1.02); box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 8px 16px rgba(0,0,0,0.2); background: #4a4a4c; }
.mode-card.selected { border-color: #007aff; background: rgba(0,122,255,0.1); }
.mode-icon { width: 72px; height: 72px; border-radius: 18px; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; color: #fff; font-size: 1.8rem; box-shadow: 0 4px 12px rgba(0,0,0,0.2), 0 2px 4px rgba(0,0,0,0.1); transition: all .3s ease; }
.mode-card:hover .mode-icon { transform: scale(1.1) rotate(5deg); box-shadow: 0 8px 20px rgba(0,0,0,0.3), 0 4px 8px rgba(0,0,0,0.2); }

.selection-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-top: 24px; }
.selection-item { background: #3a3a3c; border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 24px 20px; text-align: center; cursor: pointer; transition: all .4s cubic-bezier(0.25,0.46,0.45,0.94); font-weight: 500; box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1); }
.selection-item:hover { background: rgba(0,122,255,0.1); border-color: rgba(0,122,255,0.4); transform: translateY(-4px) scale(1.02); box-shadow: 0 12px 30px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2); }

.results-table .table { color: #fff; }
.table-header { background: #3a3a3c; padding: 24px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,0.08); }
.table-stats { display: flex; gap: 24px; font-size: .875rem; color: rgba(255,255,255,0.8); font-weight: 500; }
.stat-item { display: flex; align-items: center; gap: 8px; color: #007aff; font-weight: 600; transition: all .3s ease; }
.stat-item:hover { color: #64b5f6; transform: translateY(-1px); }

/* 表格通用样式 */
.table thead th { background: linear-gradient(135deg, #3a3a3c, #4a4a4c); color: #fff; border-color: rgba(255,255,255,0.08); font-weight: 600; padding: 16px 20px; }
.table tbody td { background: #2c2c2e; color: #fff; border-color: rgba(255,255,255,0.08); transition: all .3s ease; padding: 16px 20px; }
.table tbody tr:hover { background: rgba(0,122,255,0.08); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); border-radius: 8px; }
.table tbody tr:nth-child(even) td { background: #2a2a2c; }

/* 徽章统一 */
.badge.bg-success { background: linear-gradient(135deg, #34c759, #30d158) !important; color: #fff; box-shadow: 0 2px 8px rgba(52,199,89,0.3); }
.badge.bg-secondary { background: linear-gradient(135deg, #8e8e93, #6d6d70) !important; color: #fff; box-shadow: 0 2px 8px rgba(142,142,147,0.3); }
.badge.bg-warning { background: linear-gradient(135deg, #ff9500, #ff9f0a) !important; color: #fff; box-shadow: 0 2px 8px rgba(255,149,0,0.3); }
.badge.bg-danger { background: linear-gradient(135deg, #ff3b30, #ff453a) !important; color: #fff; box-shadow: 0 2px 8px rgba(255,59,48,0.3); }

/* 按钮统一 */
.btn-primary { background: linear-gradient(135deg, #007aff, #5856d6); border: none; }
.btn-primary:hover { background: linear-gradient(135deg, #5856d6, #007aff); }
.btn-outline-secondary { color: rgba(255,255,255,0.8); border-color: rgba(255,255,255,0.08); background: #3a3a3c; }
.btn-outline-secondary:hover { background: rgba(0,122,255,0.1); border-color: rgba(0,122,255,0.4); color: #fff; }

/* 动画统一 */
.fade-in { animation: fadeIn .8s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.slide-up { animation: slideUp .6s ease-out; }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.scale-in { animation: scaleIn .6s ease-out; }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
.fade-in-up { animation: fadeInUp .6s ease-out; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* 加载与高亮 */
.loading-spinner { width: 48px; height: 48px; border: 4px solid rgba(0,122,255,0.1); border-left-color: #007aff; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.domain-highlight { background: rgba(255, 235, 59, 0.3); padding: 1px 2px; border-radius: 2px; }
.selection-highlight { background: rgba(0,122,255,0.3); padding: 1px 2px; border-radius: 2px; color: #64b5f6; }

/* 模态框统一 */
.modal-header { background: #2c2c2e; border-bottom: 1px solid rgba(255,255,255,0.08); }
.modal-content { background: #2c2c2e; border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 8px 16px rgba(0,0,0,0.2); }
.modal-title { color: #fff; font-weight: 600; }
.modal-body { background: #2c2c2e; color: #fff; }
.btn-secondary { background: #3a3a3c; border-color: rgba(255,255,255,0.08); color: #fff; }
.btn-secondary:hover { background: rgba(0,122,255,0.1); border-color: rgba(0,122,255,0.4); color: #fff; }

/* 表格操作按钮统一（选择域名/检测） */
.view-details { white-space: nowrap; min-width: 90px; display: inline-flex; align-items: center; gap: 8px; justify-content: center; font-size: .875rem; font-weight: 500; padding: 12px 20px; transition: all .3s ease; background: linear-gradient(135deg, #007aff, #5856d6); border: none; border-radius: 12px; color: #fff; box-shadow: 0 4px 12px rgba(0,122,255,0.3); position: relative; overflow: hidden; }
.view-details::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left .5s ease; }
.view-details:hover::before { left: 100%; }
.view-details:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,122,255,0.4); background: linear-gradient(135deg, #5856d6, #007aff); }
.check-domain { background: linear-gradient(135deg, #dc3545, #c82333); border: none; border-radius: 8px; color: #fff; box-shadow: 0 4px 12px rgba(220,53,69,0.3); }

/* 移动端优化与卡片缩小（更紧凑） */
@media (max-width: 768px) {
    .page-header { padding: 28px; }
    .step-card { padding: 28px; }
    .mode-card { padding: 28px; }
    .results-table .table-responsive { display: none; }
    .mobile-table-card { display: block; }
    .mobile-task-card { border-radius: 18px; padding: 20px; margin-bottom: 16px; box-shadow: 0 6px 16px rgba(0,0,0,0.22); }
    .mobile-task-title { font-size: 1.05rem; }
    .mobile-task-count { font-size: .9rem; gap: 10px; }
    .mobile-task-action .btn { padding: 12px 18px; font-size: .9rem; min-height: 38px; }
}

@media (max-width: 576px) {
    .mode-selection { grid-template-columns: 1fr; gap: 20px; }
    .selection-grid { grid-template-columns: 1fr; gap: 20px; }
    .selection-item { padding: 20px; }
    .mobile-task-card { padding: 18px; }
    .mobile-task-header { gap: 10px; }
    .view-details { padding: 12px 18px; }
}

/* 页脚（首页） */
.footer { background: transparent; color: rgba(255,255,255,0.6); padding: 40px 20px; text-align: center; }
.footer p { font-size: 1rem; color: rgba(255,255,255,0.6); margin-bottom: 8px; }
.footer .heart { color: #ff6b6b; }
.footer-content { max-width: 1200px; margin: 0 auto; }

/* ============================================
   首页专属样式 (home.php)
   ============================================ */
.page-wrapper { min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.showcase-section { width: 100%; max-width: 1400px; margin: 0 auto; }
.showcase-content { padding: 0 20px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; max-width: 1200px; margin: 0 auto; }

/* ============================================
   域名搜索页样式 (domain_search.php)
   ============================================ */
.search-form { 
    background: #2c2c2e; 
    border-radius: 20px; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1); 
    padding: 32px; 
    margin-bottom: 32px; 
}

.form-section { 
    margin-bottom: 28px; 
}

.form-section:last-child { 
    margin-bottom: 0; 
}

.form-label { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-size: 1.1rem; 
    font-weight: 600; 
    color: #fff; 
    margin-bottom: 16px; 
}

.form-label i { 
    color: #007aff; 
    font-size: 1.2rem; 
}

.btn-group-custom { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 12px; 
}

.btn-group-custom .btn { 
    background: #3a3a3c; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    border-radius: 12px; 
    color: rgba(255,255,255,0.8); 
    padding: 12px 24px; 
    font-size: 1rem; 
    font-weight: 500; 
    transition: all 0.3s ease; 
    cursor: pointer; 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
}

.btn-group-custom .btn:hover { 
    background: rgba(0,122,255,0.1); 
    border-color: rgba(0,122,255,0.4); 
    color: #fff; 
    transform: translateY(-2px); 
}

.btn-group-custom .btn.active { 
    background: linear-gradient(135deg, #007aff, #5856d6); 
    border-color: transparent; 
    color: #fff; 
    box-shadow: 0 4px 12px rgba(0,122,255,0.3); 
}

.domain-input-wrapper { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 10px; 
    align-items: center; 
    background: #3a3a3c; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    border-radius: 12px; 
    padding: 12px; 
    min-height: 60px; 
}

.domain-input { 
    flex: 1; 
    background: transparent; 
    border: none; 
    color: #fff; 
    font-size: 1rem; 
    outline: none; 
    min-width: 200px; 
}

.domain-input::placeholder { 
    color: rgba(255,255,255,0.5); 
}

.domain-tag { 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    background: linear-gradient(135deg, rgba(0,122,255,0.2), rgba(88,86,214,0.2)); 
    border: 1px solid rgba(0,122,255,0.3); 
    border-radius: 8px; 
    padding: 8px 14px; 
    color: #007aff; 
    font-size: 0.95rem; 
    font-weight: 500; 
}

.domain-tag-remove { 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 18px; 
    height: 18px; 
    border-radius: 50%; 
    background: rgba(255,255,255,0.1); 
    transition: all 0.2s ease; 
}

.domain-tag-remove:hover { 
    background: rgba(255,59,48,0.3); 
    color: #ff3b30; 
}

.current-rule-hint { 
    font-size: 0.9rem; 
    color: rgba(255,255,255,0.7); 
    margin-top: 12px; 
    display: flex; 
    align-items: center; 
    gap: 6px; 
}

.rule-highlight { 
    color: #007aff; 
    font-weight: 600; 
}

.tld-container { 
    max-height: 300px; 
    overflow-y: auto; 
    background: #3a3a3c; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    border-radius: 12px; 
    padding: 16px; 
}

.tld-buttons { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 10px; 
}

.tld-btn { 
    background: #2c2c2e; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    border-radius: 8px; 
    color: rgba(255,255,255,0.8); 
    padding: 8px 16px; 
    font-size: 0.9rem; 
    font-weight: 500; 
    transition: all 0.3s ease; 
    cursor: pointer; 
}

.tld-btn:hover { 
    background: rgba(0,122,255,0.1); 
    border-color: rgba(0,122,255,0.4); 
    color: #fff; 
}

.tld-btn.active { 
    background: linear-gradient(135deg, #007aff, #5856d6); 
    border-color: transparent; 
    color: #fff; 
    box-shadow: 0 2px 8px rgba(0,122,255,0.3); 
}

.search-button, .stop-button { 
    background: linear-gradient(135deg, #007aff, #5856d6); 
    border: none; 
    border-radius: 12px; 
    color: #fff; 
    padding: 14px 32px; 
    font-size: 1.1rem; 
    font-weight: 600; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    gap: 10px; 
    box-shadow: 0 4px 12px rgba(0,122,255,0.3); 
}

.search-button:hover { 
    background: linear-gradient(135deg, #5856d6, #007aff); 
    transform: translateY(-2px); 
    box-shadow: 0 8px 20px rgba(0,122,255,0.4); 
}

.search-button:disabled { 
    opacity: 0.6; 
    cursor: not-allowed; 
}

.stop-button { 
    background: linear-gradient(135deg, #ff3b30, #ff453a); 
    box-shadow: 0 4px 12px rgba(255,59,48,0.3); 
}

.stop-button:hover { 
    background: linear-gradient(135deg, #ff453a, #ff3b30); 
    box-shadow: 0 8px 20px rgba(255,59,48,0.4); 
}

.progress-bar-container { 
    width: 100%; 
    height: 6px; 
    background: #3a3a3c; 
    border-radius: 3px; 
    overflow: hidden; 
}

.progress-bar { 
    height: 100%; 
    background: linear-gradient(90deg, #007aff, #5856d6); 
    transition: width 0.3s ease; 
    border-radius: 3px; 
}

.results-section { 
    background: #2c2c2e; 
    border-radius: 20px; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1); 
    padding: 32px; 
    margin-bottom: 32px; 
}

.results-header { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    margin-bottom: 24px; 
    padding-bottom: 16px; 
    border-bottom: 2px solid rgba(0,122,255,0.2); 
}

.results-header h4 { 
    font-size: 1.5rem; 
    font-weight: 700; 
    color: #fff; 
}

.results-table { 
    width: 100%; 
    background: #2c2c2e; 
    border-radius: 16px; 
    overflow: hidden; 
}

.results-table table { 
    width: 100%; 
}

.results-table thead th { 
    text-align: center; 
    padding: 16px; 
}

.results-table tbody td { 
    text-align: center; 
    padding: 16px; 
}

.horizontal-table { 
    transition: all 0.3s ease; 
}

.horizontal-table:hover { 
    background: rgba(0,122,255,0.08) !important; 
}

.center-text { 
    text-align: center; 
}

.back-to-home { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    background: linear-gradient(135deg, #007aff, #5856d6); 
    border: none; 
    border-radius: 12px; 
    color: #fff; 
    padding: 14px 32px; 
    font-size: 1rem; 
    font-weight: 600; 
    text-decoration: none; 
    transition: all 0.3s ease; 
    box-shadow: 0 4px 12px rgba(0,122,255,0.3); 
}

.back-to-home:hover { 
    background: linear-gradient(135deg, #5856d6, #007aff); 
    transform: translateY(-2px); 
    box-shadow: 0 8px 20px rgba(0,122,255,0.4); 
    text-decoration: none; 
    color: #fff; 
}

/* ============================================
   域名跳转检测页样式 (domain_redirect.php)
   ============================================ */
.search-container { 
    background: #2c2c2e; 
    border-radius: 20px; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1); 
    padding: 32px; 
    margin-bottom: 32px; 
}

.loading-container { 
    display: none; 
    text-align: center; 
    padding: 60px 20px; 
    background: #2c2c2e; 
    border-radius: 20px; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    box-shadow: 0 4px 20px rgba(0,0,0,0.15); 
    margin-bottom: 32px; 
}

.loading-container.active { 
    display: block; 
}

.results-container { 
    display: none; 
}

.results-container.active { 
    display: block; 
}

.results-summary { 
    background: #2c2c2e; 
    border-radius: 20px; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1); 
    padding: 32px; 
    margin-bottom: 32px; 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
    gap: 24px; 
}

.summary-item { 
    text-align: center; 
}

.summary-label { 
    font-size: 0.9rem; 
    color: rgba(255,255,255,0.7); 
    margin-bottom: 12px; 
}

.summary-value { 
    font-size: 1.8rem; 
    font-weight: 700; 
    color: #007aff; 
}

.summary-value.success { 
    color: #34c759; 
}

.summary-value.warning { 
    color: #ff9500; 
}

.summary-value.error { 
    color: #ff3b30; 
}

.redirect-chain { 
    background: #2c2c2e; 
    border-radius: 20px; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1); 
    padding: 32px; 
}

.chain-title { 
    font-size: 1.5rem; 
    font-weight: 700; 
    color: #fff; 
    margin-bottom: 32px; 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    padding-bottom: 16px; 
    border-bottom: 2px solid rgba(0,122,255,0.2); 
}

.chain-title i { 
    color: #007aff; 
}

.redirect-item { 
    background: rgba(0,122,255,0.05); 
    border: 1px solid rgba(0,122,255,0.15); 
    border-radius: 16px; 
    padding: 24px; 
    margin-bottom: 24px; 
    transition: all 0.3s ease; 
}

.redirect-item:last-child { 
    margin-bottom: 0; 
}

.redirect-item:hover { 
    background: rgba(0,122,255,0.1); 
    border-color: rgba(0,122,255,0.3); 
    transform: translateY(-4px); 
    box-shadow: 0 8px 24px rgba(0,122,255,0.2); 
}

.redirect-item.final { 
    border-color: rgba(52,199,89,0.3); 
    background: rgba(52,199,89,0.05); 
}

.redirect-item.error { 
    border-color: rgba(255,59,48,0.3); 
    background: rgba(255,59,48,0.05); 
}

.redirect-item.loop { 
    border-color: rgba(255,149,0,0.3); 
    background: rgba(255,149,0,0.05); 
}

.redirect-header { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    flex-wrap: wrap; 
    margin-bottom: 16px; 
}

.step-badge { 
    background: linear-gradient(135deg, rgba(0,122,255,0.2), rgba(88,86,214,0.2)); 
    border: 1px solid rgba(0,122,255,0.3); 
    border-radius: 8px; 
    padding: 6px 14px; 
    color: #007aff; 
    font-size: 0.85rem; 
    font-weight: 600; 
    white-space: nowrap; 
}

.redirect-url { 
    flex: 1; 
    font-family: 'Courier New', monospace; 
    font-size: 1rem; 
    color: #fff; 
    word-break: break-all; 
}

.status-badge { 
    padding: 6px 14px; 
    border-radius: 8px; 
    font-size: 0.85rem; 
    font-weight: 600; 
    white-space: nowrap; 
}

.status-badge.success { 
    background: linear-gradient(135deg, rgba(52,199,89,0.2), rgba(48,209,88,0.2)); 
    border: 1px solid rgba(52,199,89,0.3); 
    color: #34c759; 
}

.status-badge.redirect { 
    background: linear-gradient(135deg, rgba(0,122,255,0.2), rgba(88,86,214,0.2)); 
    border: 1px solid rgba(0,122,255,0.3); 
    color: #007aff; 
}

.status-badge.error { 
    background: linear-gradient(135deg, rgba(255,59,48,0.2), rgba(255,69,58,0.2)); 
    border: 1px solid rgba(255,59,48,0.3); 
    color: #ff3b30; 
}

.redirect-details { 
    margin-top: 16px; 
}

.detail-row { 
    display: flex; 
    gap: 12px; 
    margin-bottom: 12px; 
    font-size: 0.95rem; 
}

.detail-row:last-child { 
    margin-bottom: 0; 
}

.detail-label { 
    color: rgba(255,255,255,0.7); 
    font-weight: 600; 
    min-width: 100px; 
}

.detail-value { 
    color: #fff; 
    word-break: break-all; 
    flex: 1; 
}

.error-message { 
    background: rgba(255,59,48,0.1); 
    border: 1px solid rgba(255,59,48,0.2); 
    border-radius: 8px; 
    padding: 12px 16px; 
    color: #ff3b30; 
    font-size: 0.9rem; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
}

.arrow-icon { 
    text-align: center; 
    color: #007aff; 
    font-size: 1.5rem; 
    margin: 12px 0; 
}

.no-redirect { 
    text-align: center; 
    padding: 60px 20px; 
    color: rgba(255,255,255,0.7); 
}

.no-redirect i { 
    font-size: 3rem; 
    color: #34c759; 
    margin-bottom: 16px; 
    display: block; 
}

.no-redirect p { 
    font-size: 1.1rem; 
    margin: 0; 
}

/* ============================================
   波场靓号页样式 (tron_lucky_address.php)
   ============================================ */
.step-container { 
    max-width: 1200px; 
    margin: 0 auto; 
}

.back-button { 
    background: #3a3a3c; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    border-radius: 12px; 
    color: rgba(255,255,255,0.8); 
    padding: 10px 20px; 
    font-size: 0.95rem; 
    font-weight: 500; 
    transition: all 0.3s ease; 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
}

.back-button:hover { 
    background: rgba(0,122,255,0.1); 
    border-color: rgba(0,122,255,0.4); 
    color: #fff; 
    transform: translateY(-2px); 
}

.back-button.hidden { 
    display: none; 
}

.hidden { 
    display: none !important; 
}

.match-type-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); 
    gap: 20px; 
    margin-top: 24px; 
}

.match-type-item { 
    background: #3a3a3c; 
    border: 1px solid rgba(255, 255, 255, 0.08); 
    border-radius: 16px; 
    padding: 28px 24px; 
    text-align: center; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    position: relative; 
    overflow: hidden; 
}

.match-type-item::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    height: 4px; 
    background: linear-gradient(90deg, #007aff, #5856d6); 
    opacity: 0; 
    transition: opacity 0.3s ease; 
}

.match-type-item:hover { 
    background: rgba(0,122,255,0.1); 
    border-color: rgba(0,122,255,0.4); 
    transform: translateY(-4px) scale(1.02); 
    box-shadow: 0 12px 30px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2); 
}

.match-type-item:hover::before { 
    opacity: 1; 
}

.match-type-item.selected { 
    background: rgba(0,122,255,0.15); 
    border-color: rgba(0,122,255,0.5); 
}

.match-type-item.selected::before { 
    opacity: 1; 
}

.match-type-label { 
    font-size: 1.2rem; 
    font-weight: 600; 
    color: #fff; 
    margin-bottom: 12px; 
}

.match-type-count { 
    font-size: 1rem; 
    color: rgba(255,255,255,0.7); 
}

.address-table { 
    margin-top: 24px; 
}

.address-table .table { 
    color: #fff; 
}

.address-cell { 
    font-family: 'Courier New', monospace; 
    font-size: 0.95rem; 
    color: #fff; 
}

.copy-btn { 
    background: linear-gradient(135deg, #007aff, #5856d6); 
    border: none; 
    border-radius: 8px; 
    color: #fff; 
    padding: 8px 12px; 
    font-size: 0.9rem; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    gap: 6px; 
    box-shadow: 0 2px 8px rgba(0,122,255,0.3); 
}

.copy-btn:hover { 
    background: linear-gradient(135deg, #5856d6, #007aff); 
    transform: translateY(-2px); 
    box-shadow: 0 4px 12px rgba(0,122,255,0.4); 
}

.pagination-container { 
    margin-top: 24px; 
    padding: 20px; 
    background: rgba(0,122,255,0.05); 
    border: 1px solid rgba(0,122,255,0.1); 
    border-radius: 12px; 
}

.pagination-info { 
    color: rgba(255,255,255,0.7); 
}

.pagination-controls { 
    display: flex; 
    gap: 8px; 
}

.loading-state { 
    text-align: center; 
    padding: 60px 20px; 
    color: rgba(255,255,255,0.7); 
}

.loading-state p { 
    margin-top: 20px; 
    font-size: 1.1rem; 
}

/* ============================================
   演示站列表页和详情页样式 (demo_list.php & demo_detail.php)
   ============================================ */

/* 背景动效 */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(135deg, #1c1c1e 0%, #2c2c2e 50%, #1c1c1e 100%);
    overflow: hidden;
}

.background-effects::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,122,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.background-effects::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(88,86,214,0.08) 0%, transparent 70%);
    animation: float 15s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, -30px) scale(1.1); }
}

/* 背景光球 */
.background-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #007aff, #5856d6);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #af52de, #bf5af2);
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #ff3b30, #ff453a);
    bottom: 20%;
    left: 20%;
    animation-delay: -10s;
}

.orb-4 {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, #ff9500, #ff9f0a);
    top: 30%;
    right: 30%;
    animation-delay: -15s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* 容器基础 */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
}

/* 文本链接 */
.text-link {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: all 0.3s ease;
}

.text-link:hover {
    color: #007aff;
    text-decoration: none;
}

/* ============================================
   演示站列表页样式 (demo_list.php)
   ============================================ */

/* 筛选面板 */
.filter-panel {
    background: #2c2c2e;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
    padding: 24px;
    margin-bottom: 32px;
}

.filter-form {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-form .form-control {
    background: #3a3a3c;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: #fff;
    padding: 12px 20px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.filter-form .form-control:focus {
    background: #4a4a4c;
    border-color: rgba(0,122,255,0.4);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
    outline: none;
    color: #fff;
}

.filter-form .form-control::placeholder {
    color: rgba(255,255,255,0.5);
}

.filter-form .btn {
    padding: 12px 24px;
    font-weight: 500;
    border-radius: 12px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.filter-form .btn i {
    margin-right: 6px;
}

/* 演示站网格 */
.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

/* 演示站卡片 */
.demo-card {
    background: #2c2c2e;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    display: flex;
    flex-direction: column;
}

.demo-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,122,255,0.08) 0%, rgba(0,122,255,0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
    pointer-events: none;
}

.demo-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 8px 16px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.2);
    border-color: rgba(0,122,255,0.4);
    background: #3a3a3c;
}

.demo-card:hover::before {
    opacity: 1;
}

/* 演示站缩略图 - 3:2比例 */
.demo-thumb {
    width: 100%;
    padding-bottom: 66.67%; /* 3:2 比例 (2/3 = 0.6667) */
    overflow: hidden;
    position: relative;
    background: #1c1c1e;
}

.demo-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.demo-card:hover .demo-thumb img {
    transform: scale(1.1);
}

/* 演示站内容 */
.demo-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.demo-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.4;
}

.demo-title span {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.demo-pricing {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
    line-height: 1.6;
}

.demo-pricing strong {
    color: #007aff;
    font-weight: 600;
}

.demo-actions {
    display: flex;
    gap: 12px;
    margin-top: auto;
    flex-wrap: wrap;
}

.demo-actions .btn {
    flex: 1;
    min-width: 120px;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 10px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.demo-actions .btn i {
    font-size: 0.85rem;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: #2c2c2e;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.empty-state i {
    font-size: 4rem;
    color: rgba(255,255,255,0.3);
    margin-bottom: 24px;
    display: block;
}

.empty-state h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 1rem;
    color: rgba(255,255,255,0.6);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   演示站详情页样式 (demo_detail.php)
   ============================================ */

/* Hero区域 */
.hero-section {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 40px;
    min-height: 500px;
    background: #2c2c2e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    filter: blur(20px);
    transform: scale(1.1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(28,28,30,0.95) 0%, rgba(44,44,46,0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 48px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 32px;
    align-items: start;
}

.hero-title-block {
    grid-column: 1;
    grid-row: 1;
}

.hero-title-block h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.intro-label {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(0,122,255,0.2), rgba(88,86,214,0.2));
    border: 1px solid rgba(0,122,255,0.3);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #007aff;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
}

.hero-media {
    grid-column: 2;
    grid-row: 1 / 3;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-media img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
}

.hero-pricing {
    grid-column: 1;
    grid-row: 2;
    background: rgba(0,122,255,0.08);
    border: 1px solid rgba(0,122,255,0.2);
    border-radius: 16px;
    padding: 24px;
}

.price-label {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(0,122,255,0.2), rgba(88,86,214,0.2));
    border: 1px solid rgba(0,122,255,0.3);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #007aff;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-lines {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.price-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.price-line:last-child {
    border-bottom: none;
}

.price-line span {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
}

.price-line strong {
    font-size: 1.5rem;
    font-weight: 700;
    color: #007aff;
}

.hero-actions {
    margin-top: 0;
}

.action-label {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(0,122,255,0.2), rgba(88,86,214,0.2));
    border: 1px solid rgba(0,122,255,0.3);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #007aff;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-actions .btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.hero-note {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-note i {
    color: #007aff;
}

/* 内容区域 */
.content-section {
    background: #2c2c2e;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15), 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
    padding: 40px;
    margin-bottom: 32px;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(0,122,255,0.2);
}

.section-title i {
    color: #007aff;
    font-size: 1.5rem;
}

/* 演示链接网格 - 方案二：简洁按钮组 */
.demo-links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.demo-link-card {
    background: #2c2c2e;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: inline-flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    min-width: 200px;
}

.demo-link-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #007aff, #5856d6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-link-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,122,255,0.25);
    border-color: rgba(0,122,255,0.4);
    background: #3a3a3c;
}

.demo-link-card:hover::before {
    opacity: 1;
}

.demo-link-card-header {
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.demo-link-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(0,122,255,0.15), rgba(88,86,214,0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007aff;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.demo-link-card:hover .demo-link-icon {
    background: linear-gradient(135deg, rgba(0,122,255,0.25), rgba(88,86,214,0.25));
    transform: scale(1.05);
}

.demo-link-card-header-content {
    flex: 1;
    min-width: 0;
}

.demo-link-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 2px 0;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.demo-link-description {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.4;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.demo-link-card-body {
    display: none;
}

.demo-link-card-footer {
    padding: 0;
    border: none;
    margin: 0;
}

.demo-link-card .btn {
    padding: 14px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 0 12px 12px 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #007aff, #5856d6);
    border: none;
    color: #fff;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}

.demo-link-card .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.4s ease;
}

.demo-link-card .btn:hover::before {
    left: 100%;
}

.demo-link-card .btn:hover {
    background: linear-gradient(135deg, #5856d6, #007aff);
    box-shadow: inset 0 0 20px rgba(255,255,255,0.1);
}

.demo-link-card .btn i {
    font-size: 1rem;
}

/* 图片画廊 */
.demo-images-gallery {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.demo-image-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    background: #1c1c1e;
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.3s ease;
}

.demo-image-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
    border-color: rgba(0,122,255,0.4);
}

.demo-image-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.demo-image-item:hover img {
    transform: scale(1.05);
}

.image-title {
    padding: 12px 16px;
    background: rgba(28,28,30,0.9);
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
    margin: 0;
    text-align: center;
}

/* 功能亮点 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: rgba(0,122,255,0.05);
    border: 1px solid rgba(0,122,255,0.15);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(0,122,255,0.1);
    border-color: rgba(0,122,255,0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,122,255,0.2);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(0,122,255,0.2), rgba(88,86,214,0.2));
    color: #007aff;
    font-size: 1rem;
    flex-shrink: 0;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
}

.feature-card p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin: 0;
}

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(0,122,255,0.3), rgba(88,86,214,0.3));
}

.timeline-item {
    position: relative;
    margin-bottom: 32px;
    padding-left: 32px;
}

.timeline-marker {
    position: absolute;
    left: -24px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, #007aff, #5856d6);
    border: 3px solid #2c2c2e;
    box-shadow: 0 0 0 2px rgba(0,122,255,0.3);
}

.timeline-date {
    font-size: 0.9rem;
    font-weight: 600;
    color: #007aff;
    margin-bottom: 8px;
}

.timeline-content {
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    background: rgba(0,122,255,0.05);
    border: 1px solid rgba(0,122,255,0.1);
    border-radius: 12px;
    padding: 16px;
}

/* 推荐区域 */
.recommend-section {
    margin-top: 40px;
}

.recommend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
}

.recommend-card {
    position: relative;
    background: #3a3a3c;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.recommend-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
    border-color: rgba(0,122,255,0.4);
    background: #4a4a4c;
}

.recommend-thumb {
    width: 100%;
    padding-bottom: 66.67%; /* 3:2 比例 (2/3 = 0.6667) */
    overflow: hidden;
    position: relative;
    background: #1c1c1e;
    flex-shrink: 0;
}

.recommend-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
    pointer-events: none;
}

.recommend-card:hover .recommend-thumb img {
    transform: scale(1.05);
}

.recommend-body {
    padding: 20px;
    position: relative;
    z-index: 1;
    background: #3a3a3c;
}

.recommend-card:hover .recommend-body {
    background: #4a4a4c;
}

.recommend-body h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.recommend-body p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 16px;
}

.recommend-body .btn {
    width: 100%;
    padding: 10px;
    font-size: 0.9rem;
    border-radius: 10px;
}

/* 图片模态框 */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.image-modal.active {
    opacity: 1;
    visibility: visible;
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 3rem;
    color: #fff;
    cursor: pointer;
    z-index: 10000;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    line-height: 1;
}

.image-modal-close:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
}

.image-modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.image-modal-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.image-modal-title {
    margin-top: 20px;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 500;
    text-align: center;
    padding: 12px 24px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .hero-media {
        grid-column: 1;
        grid-row: 2;
    }
    
    .hero-pricing {
        grid-column: 1;
        grid-row: 3;
    }
    
    .hero-title-block h1 {
        font-size: 2rem;
    }
    
    .demo-images-gallery {
        grid-template-columns: repeat(4, 1fr);
        gap: 14px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 20px 16px;
    }
    
    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-form .form-control,
    .filter-form .btn {
        width: 100%;
    }
    
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .hero-content {
        padding: 32px 24px;
    }
    
    .hero-title-block h1 {
        font-size: 1.75rem;
    }
    
    .content-section {
        padding: 24px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .demo-links-grid {
        gap: 10px;
    }
    
    .demo-link-card {
        min-width: 180px;
    }
    
    .demo-link-card-header {
        padding: 12px 16px;
        gap: 10px;
    }
    
    .demo-link-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    
    .demo-link-card h3 {
        font-size: 0.95rem;
    }
    
    .demo-link-description {
        font-size: 0.8rem;
    }
    
    .demo-link-card .btn {
        padding: 12px 18px;
        font-size: 0.9rem;
    }
    
    .demo-images-gallery {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    
    .feature-grid,
    .recommend-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .price-line strong {
        font-size: 1.25rem;
    }
    
    .image-modal-close {
        top: 10px;
        right: 15px;
        font-size: 2rem;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        min-height: 400px;
    }
    
    .hero-content {
        padding: 24px 16px;
    }
    
    .hero-title-block h1 {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .demo-actions {
        flex-direction: column;
    }
    
    .demo-actions .btn {
        width: 100%;
    }
    
    .timeline {
        padding-left: 24px;
    }
    
    .timeline-item {
        padding-left: 24px;
    }
    
    .timeline-marker {
        left: -16px;
        width: 12px;
        height: 12px;
    }
    
    .demo-images-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .demo-links-grid {
        flex-direction: column;
        gap: 10px;
    }
    
    .demo-link-card {
        width: 100%;
        min-width: auto;
    }
    
    .demo-link-card-header {
        padding: 12px 14px;
        gap: 10px;
        flex: 1;
    }
    
    .demo-link-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    
    .demo-link-card h3 {
        font-size: 0.95rem;
    }
    
    .demo-link-description {
        font-size: 0.8rem;
    }
    
    .demo-link-card .btn {
        padding: 12px 16px;
        font-size: 0.9rem;
        border-radius: 0 12px 12px 0;
    }
}