/**
 * 极客AI开放平台 - 全局样式
 * 暗色主题 + 霓虹渐变 + 玻璃拟态
 */

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #38bdf8;
    
    --accent-blue: #0ea5e9;
    --accent-cyan: #22d3ee;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #a855f7 50%, #ec4899 100%);
    --gradient-blue: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%);
    --gradient-purple: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    --gradient-dark: linear-gradient(180deg, #0a0e1a 0%, #111827 100%);
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -1px rgba(0,0,0,0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -2px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--text-accent);
    text-decoration: none;
    transition: all 0.2s;
}

a:hover {
    color: var(--accent-cyan);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 24px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.navbar-brand img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
}

.navbar-brand span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 40px;
    flex: 1;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link.active {
    color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.08);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-balance {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    color: var(--accent-green);
    font-size: 0.85rem;
    font-weight: 600;
}

.user-balance i {
    font-size: 1rem;
}

.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

.user-menu-toggle:hover {
    border-color: var(--border-hover);
    background: var(--bg-glass);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
    color: #fff;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s;
    z-index: 1001;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all 0.15s;
}

.dropdown-item:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 6px 0;
}

.dropdown-item.text-danger {
    color: var(--accent-red);
}

.dropdown-item.text-danger:hover {
    background: rgba(239, 68, 68, 0.08);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    background: transparent;
}

.mobile-menu-btn:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

/* ===== 页面容器 ===== */
.page-container {
    padding-top: 64px;
    min-height: 100vh;
}

/* ===== Hero区域 ===== */
.hero {
    position: relative;
    padding: 100px 24px 80px;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.hero h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    position: relative;
    z-index: 1;
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-blue);
    color: #fff;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    color: #fff;
}

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

.btn-secondary:hover {
    background: var(--bg-glass);
    border-color: var(--text-accent);
}

.btn-success {
    background: var(--accent-green);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    color: #fff;
}

.btn-danger {
    background: var(--accent-red);
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
    color: #fff;
}

.btn-warning {
    background: var(--accent-orange);
    color: #fff;
}

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

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ===== 卡片 ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

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

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-label .required::after {
    content: '*';
    color: var(--accent-red);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    transition: all 0.2s;
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== 统计卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: var(--border-hover);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.stat-icon.blue { background: rgba(14, 165, 233, 0.1); color: var(--accent-blue); }
.stat-icon.purple { background: rgba(168, 85, 247, 0.1); color: var(--accent-purple); }
.stat-icon.green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.1); color: var(--accent-orange); }
.stat-icon.red { background: rgba(239, 68, 68, 0.1); color: var(--accent-red); }

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-change {
    font-size: 0.8rem;
    margin-top: 8px;
    font-weight: 500;
}

.stat-change.up { color: var(--accent-green); }
.stat-change.down { color: var(--accent-red); }

/* ===== 表格 ===== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:hover td {
    background: var(--bg-glass);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* ===== 标签 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-green {
    background: rgba(16, 185, 129, 0.12);
    color: var(--accent-green);
}

.badge-blue {
    background: rgba(14, 165, 233, 0.12);
    color: var(--accent-blue);
}

.badge-purple {
    background: rgba(168, 85, 247, 0.12);
    color: var(--accent-purple);
}

.badge-orange {
    background: rgba(245, 158, 11, 0.12);
    color: var(--accent-orange);
}

.badge-red {
    background: rgba(239, 68, 68, 0.12);
    color: var(--accent-red);
}

.badge-gray {
    background: rgba(100, 116, 139, 0.12);
    color: var(--text-muted);
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    justify-content: center;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.page-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.page-btn.active {
    background: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
}

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

.page-btn.dots {
    border: none;
    background: transparent;
    cursor: default;
}

/* ===== 提示框 ===== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--accent-orange);
}

.alert-info {
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: var(--accent-blue);
}

/* ===== 模态框 ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    border: none;
    background: transparent;
    font-size: 1.2rem;
}

.modal-close:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px 24px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ===== 布局容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-lg {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-header {
    padding: 40px 0 24px;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.content-wrapper {
    padding: 24px 0 60px;
}

/* ===== 网格系统 ===== */
.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
}

.col-12 { grid-column: span 12; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }

@media (max-width: 768px) {
    .col-md-12 { grid-column: span 12 !important; }
    .col-md-6 { grid-column: span 6 !important; }
    .row {
        gap: 16px;
    }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .navbar-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 8px;
        margin-left: 0;
        gap: 2px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .navbar-nav.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
    }
    
    .mobile-menu-btn {
        display: flex;
        margin-left: auto;
        margin-right: 12px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 60px 16px 40px;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 0.95rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar {
        padding: 0 16px;
    }
    
    .container, .container-sm, .container-lg {
        padding: 0 16px;
    }
    
    .card {
        padding: 16px;
    }
    
    .page-header {
        padding: 24px 0 16px;
    }
    
    .page-header h1 {
        font-size: 1.4rem;
    }
    
    .btn-lg {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .col-3, .col-4, .col-6, .col-8, .col-9 {
        grid-column: span 12;
    }
}

/* ===== 特殊组件 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

.code-block {
    background: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    overflow-x: auto;
    color: #e6edf3;
}

.code-block .comment { color: #8b949e; }
.code-block .keyword { color: #ff7b72; }
.code-block .string { color: #a5d6ff; }
.code-block .number { color: #79c0ff; }

.price-tag {
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
}

.price-tag .currency {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.price-tag .amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price-tag .unit {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 脉冲点 */
.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    background: var(--accent-green);
    opacity: 0.4;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.5); opacity: 0; }
    100% { transform: scale(1); opacity: 0.4; }
}

/* 模型卡片网格 */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.model-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

.model-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    flex-shrink: 0;
}

.model-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.model-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.model-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
    min-height: 40px;
}

.model-meta {
    display: flex;
    gap: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
}

.model-meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.model-meta-item .label {
    color: var(--text-muted);
}

.model-meta-item .value {
    color: var(--text-primary);
    font-weight: 600;
}

/* 标签页 */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    overflow-x: auto;
}

.tab-item {
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--font-sans);
}

.tab-item:hover {
    color: var(--text-primary);
}

.tab-item.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 复制按钮 */
.copy-btn {
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.copy-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.copy-btn.copied {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

/* 步骤条 */
.steps {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.step-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.step.active .step-dot {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.step.completed .step-dot {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #fff;
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border-color);
    max-width: 60px;
}

/* 金额选择 */
.amount-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.amount-option {
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-glass);
}

.amount-option:hover {
    border-color: var(--border-hover);
}

.amount-option.selected {
    border-color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.05);
}

.amount-option .money {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.amount-option .bonus {
    font-size: 0.75rem;
    color: var(--accent-green);
}

/* 支付方式选择 */
.pay-methods {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.pay-method {
    flex: 1;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-glass);
}

.pay-method:hover {
    border-color: var(--border-hover);
}

.pay-method.selected {
    border-color: var(--accent-blue);
    background: rgba(14, 165, 233, 0.05);
}

.pay-method img {
    width: 36px;
    height: 36px;
    margin-bottom: 8px;
    object-fit: contain;
}

.pay-method .name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* 页脚 */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    margin-top: auto;
    background: var(--bg-secondary);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    font-weight: 700;
    font-size: 1.1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-right {
    display: flex;
    gap: 20px;
}

.footer-link {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-link:hover {
    color: var(--text-accent);
}

/* 登录/注册卡片 */
.auth-card {
    max-width: 420px;
    margin: 0 auto;
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.auth-card .logo {
    text-align: center;
    margin-bottom: 28px;
}

.auth-card .logo img {
    width: 56px;
    height: 56px;
    margin-bottom: 12px;
}

.auth-card .logo h2 {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card .logo p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 开关 */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: 0.3s;
}

.switch-slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: 0.3s;
}

.switch input:checked + .switch-slider {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.switch input:checked + .switch-slider::before {
    transform: translateX(20px);
    background: #fff;
}

/* 文本渐变 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 分隔线 */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: 24px 0;
}

/* 工具提示 */
.tooltip {
    position: relative;
}

.tooltip-text {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    z-index: 100;
}

.tooltip:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* 动画 */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slideUp 0.5s ease forwards;
}

/* 状态颜色 */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online { background: var(--accent-green); }
.status-dot.offline { background: var(--accent-red); }
.status-dot.busy { background: var(--accent-orange); }

/* 文档样式 */
.doc-section {
    margin-bottom: 40px;
}

.doc-section h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.doc-section h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 20px 0 12px;
    color: var(--text-accent);
}

.doc-section p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.7;
}

.doc-section ul {
    margin: 12px 0 12px 20px;
    color: var(--text-secondary);
}

.doc-section li {
    margin-bottom: 6px;
    line-height: 1.6;
}

.doc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.85rem;
}

.doc-table th,
.doc-table td {
    padding: 10px 12px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.doc-table th {
    background: var(--bg-glass);
    font-weight: 600;
    color: var(--text-secondary);
}

.doc-table td {
    color: var(--text-primary);
}

.doc-table code {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-blue);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}