/* ===== 优铸网 - 产品官网样式 ===== */
:root {
    --primary: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --white: #ffffff;
    --bg: #f8fafc;
    --bg-dark: #f1f5f9;
    --border: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
}

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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: all 0.3s;
}
.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}
.nav-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}
.nav-links a {
    color: rgba(255,255,255,0.8);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-actions .btn-demo {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--accent);
    color: var(--dark);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}
.nav-actions .btn-demo:hover {
    background: var(--accent-light);
    color: var(--dark);
}
.nav-actions .btn-login {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}
.nav-actions .btn-login:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}
.nav-user {
    color: var(--white);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}
.nav-user:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}
.nav-user .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--white);
}

/* 移动端汉堡菜单 */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 16px;
        gap: 0;
        border-top: 1px solid rgba(255,255,255,0.08);
    }
    .nav-links.open { display: flex; }
    .nav-links a {
        padding: 12px 16px;
        border-radius: 0;
    }
}

/* ===== Hero 区域 ===== */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #1e3a5f 100%);
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-content p {
    font-size: 18px;
    color: var(--gray-light);
    margin-bottom: 36px;
    line-height: 1.8;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(26,86,219,0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26,86,219,0.5);
    color: var(--white);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}
.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.05);
    color: var(--white);
}
.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-image .dashboard-preview {
    width: 100%;
    max-width: 520px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    overflow: hidden;
}
.dashboard-preview .dp-header {
    background: var(--dark-2);
    padding: 12px 16px;
    display: flex;
    gap: 8px;
}
.dashboard-preview .dp-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dp-dot.red { background: #ef4444; }
.dp-dot.yellow { background: #f59e0b; }
.dp-dot.green { background: #10b981; }
.dashboard-preview .dp-body {
    padding: 24px;
    background: #f8fafc;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.dp-row {
    display: flex;
    gap: 12px;
}
.dp-card {
    flex: 1;
    background: var(--white);
    border-radius: 6px;
    padding: 14px;
    box-shadow: var(--shadow);
    border-left: 3px solid var(--primary);
}
.dp-card .dp-card-label {
    font-size: 11px;
    color: var(--gray);
    margin-bottom: 4px;
}
.dp-card .dp-card-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
}
.dp-bar {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}
.dp-bar-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}
.dp-bar-fill.p60 { width: 60%; }
.dp-bar-fill.p80 { width: 80%; }
.dp-bar-fill.p45 { width: 45%; }

@media (max-width: 768px) {
    .hero { padding: 100px 0 60px; }
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-content h1 { font-size: 32px; }
    .hero-content p { font-size: 16px; }
}

/* ===== 功能特性 ===== */
.section {
    padding: 80px 0;
}
.section-dark {
    background: var(--bg);
}
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}
.section-header p {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}
.feature-icon.blue { background: #eff6ff; color: #3b82f6; }
.feature-icon.orange { background: #fff7ed; color: #f97316; }
.feature-icon.green { background: #f0fdf4; color: #22c55e; }
.feature-icon.purple { background: #faf5ff; color: #a855f7; }
.feature-icon.red { background: #fef2f2; color: #ef4444; }
.feature-icon.teal { background: #f0fdfa; color: #14b8a6; }
.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}
.feature-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 28px; }
}

/* ===== 工艺流程 ===== */
.process-steps {
    display: flex;
    gap: 0;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}
.process-step {
    flex: 1;
    min-width: 140px;
    max-width: 180px;
    text-align: center;
    position: relative;
}
.process-step::after {
    content: '→';
    position: absolute;
    right: -12px;
    top: 40px;
    font-size: 24px;
    color: var(--gray-light);
}
.process-step:last-child::after { display: none; }
.process-step .step-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 12px;
    box-shadow: 0 4px 12px rgba(26,86,219,0.3);
}
.process-step h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}
.process-step p {
    font-size: 12px;
    color: var(--gray);
}

@media (max-width: 768px) {
    .process-step::after { display: none; }
    .process-step {
        flex: 1 1 33%;
        margin-bottom: 24px;
    }
}

/* ===== 统计数字 ===== */
.stats-row {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
    padding: 24px 40px;
}
.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label {
    font-size: 14px;
    color: var(--gray);
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}
.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}
.cta-section p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}
.cta-section .btn-primary {
    background: var(--accent);
    box-shadow: 0 4px 15px rgba(245,158,11,0.4);
}
.cta-section .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(245,158,11,0.5);
}
.cta-section .btn-outline {
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--dark);
    color: var(--gray-light);
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}
.footer-col p {
    font-size: 14px;
    line-height: 1.8;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    color: var(--gray-light);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: var(--gray);
}

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ===== 页面通用 ===== */
.page-header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    padding: 120px 0 60px;
    text-align: center;
    color: var(--white);
}
.page-header h1 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 12px;
}
.page-header p {
    font-size: 18px;
    color: var(--gray-light);
}
.page-content {
    padding: 88px 0 60px;
}
.page-content .container {
    max-width: 800px;
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s;
    background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.form-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    margin: 0 auto;
}
.form-card h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
}
.form-card .form-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 28px;
}
.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--gray);
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(26,86,219,0.4);
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ===== 价格卡片 ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}
@media (min-width: 1000px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.3s;
    position: relative;
}
.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.03);
}
.pricing-card.featured::before {
    content: '推荐';
    position: absolute;
    top: 0;
    right: 24px;
    background: var(--primary);
    color: var(--white);
    font-size: 12px;
    padding: 4px 14px;
    border-radius: 0 0 6px 6px;
    font-weight: 600;
}
.pricing-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.pricing-card .price {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin: 16px 0;
}
.pricing-card .price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--gray);
}
.pricing-card ul {
    list-style: none;
    margin-bottom: 28px;
    text-align: left;
}
.pricing-card ul li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--gray);
    border-bottom: 1px solid var(--border);
}
.pricing-card ul li::before {
    content: '✓ ';
    color: var(--success);
    font-weight: 700;
}

@media (max-width: 768px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
}

/* ===== 下载页 ===== */
.download-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    transition: all 0.2s;
}
.download-card:hover {
    box-shadow: var(--shadow-md);
}
.download-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}
.download-info { flex: 1; }
.download-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}
.download-info p {
    font-size: 13px;
    color: var(--gray);
}
.download-card .btn-primary {
    flex-shrink: 0;
    padding: 10px 24px;
    font-size: 14px;
}

/* ===== 关于页 ===== */
.about-content p {
    font-size: 16px;
    line-height: 1.9;
    color: #334155;
    margin-bottom: 20px;
}
.about-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 36px 0 16px;
    color: var(--dark);
}

/* ===== 授权申请页 ===== */
.license-steps {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    counter-reset: step;
}
.license-step {
    flex: 1;
    text-align: center;
    padding: 24px 16px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 2px solid var(--border);
    position: relative;
}
.license-step .step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-weight: 700;
    font-size: 16px;
}
.license-step h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}
.license-step p {
    font-size: 12px;
    color: var(--gray);
}

@media (max-width: 768px) {
    .license-steps { flex-direction: column; }
}

/* ===== 会员中心 ===== */
.member-dashboard {
    display: flex;
    min-height: calc(100vh - 64px);
    padding-top: 64px;
}
.member-sidebar {
    width: 240px;
    min-width: 240px;
    background: #f8fafc;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 64px;
    height: calc(100vh - 64px);
    overflow-y: auto;
}
.member-sidebar-header {
    padding: 28px 20px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}
.member-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 12px;
}
.member-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.member-balance {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
}
.member-sidebar-nav {
    flex: 1;
    padding: 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.member-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
    text-decoration: none;
    transition: all 0.2s;
}
.member-nav-item .nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}
.member-nav-item:hover {
    background: #e2e8f0;
    color: var(--primary);
}
.member-nav-item.active {
    background: var(--primary);
    color: var(--white);
}
.member-main {
    flex: 1;
    padding: 32px;
    max-width: 700px;
    margin: 0 auto;
}
.balance-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(26,86,219,0.3);
}
.balance-label {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 8px;
}
.balance-amount {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 2px;
}
.recharge-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.recharge-option {
    flex: 1;
    min-width: 70px;
    text-align: center;
    padding: 10px 8px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
}
.recharge-option:hover {
    border-color: var(--primary);
    background: #eff6ff;
}
.recharge-option input { display: none; }
.recharge-option:has(input:checked) {
    border-color: var(--primary);
    background: #eff6ff;
    color: var(--primary);
}
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
}
/* 授权列表 */
.license-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.license-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.license-item-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.license-version {
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
}
.license-status {
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 12px;
    color: var(--white);
    font-weight: 500;
}
.license-date {
    margin-left: auto;
    font-size: 12px;
    color: var(--gray);
}
.license-item-body {
    padding: 16px;
}
.license-field {
    margin-bottom: 10px;
}
.license-field:last-child { margin-bottom: 0; }
.license-field label {
    display: block;
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 4px;
}
.license-field code {
    display: block;
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    word-break: break-all;
    color: var(--dark);
}
.license-row {
    display: flex;
    gap: 16px;
}
.license-field-code {
    flex: 1;
    min-width: 0;
}
.code-copy-wrap {
    display: flex;
    align-items: stretch;
    gap: 0;
}
.code-copy-wrap code {
    flex: 1;
    border-radius: 4px 0 0 4px;
}
.btn-copy {
    flex-shrink: 0;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 4px 4px 0;
    background: #f8fafc;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    transition: background 0.15s;
}
.btn-copy:hover { background: #e2e8f0; }
.license-auth-code .code-copy-wrap code {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-right: none;
    color: #166534;
}
.license-auth-code .btn-copy {
    background: #f0fdf4;
    border-color: #bbf7d0;
}
.license-auth-code .btn-copy:hover { background: #dcfce7; }
.info-table {
    width: 100%;
    border-collapse: collapse;
}
.info-table td {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.info-table td:first-child {
    color: var(--gray);
    width: 100px;
}
.info-table td:last-child {
    color: var(--dark);
    font-weight: 500;
}

@media (max-width: 768px) {
    .member-dashboard { flex-direction: column; padding-top: 64px; }
    .member-sidebar {
        width: 100%; min-width: 0;
        position: static; height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .member-sidebar-header {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px 20px;
        text-align: left;
    }
    .member-avatar { width: 40px; height: 40px; font-size: 18px; margin: 0; }
    .member-sidebar-nav { flex-direction: row; padding: 8px 12px; gap: 8px; }
    .member-nav-item { font-size: 13px; padding: 8px 12px; }
    .member-main { padding: 20px 16px; }
    .license-row { flex-direction: column; }
}

/* ===== 管理后台 ===== */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.admin-table thead th {
    background: #f8fafc;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--gray);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.admin-table tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--dark);
}
.admin-table tbody tr:hover {
    background: #f8fafc;
}
.btn-gen-auth {
    padding: 6px 12px;
    background: #f59e0b;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.2s;
}
.btn-gen-auth:hover {
    background: #d97706;
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

/* ===== 关于我们详细页 ===== */
.about-hero {
    background: linear-gradient(135deg, var(--dark) 0%, #1e3a5f 100%);
    padding: 120px 0 80px;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.about-hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}
.about-hero p {
    font-size: 20px;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* ===== 功能定制横排卡片 ===== */
.custom-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.custom-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    transition: all 0.2s;
}
.custom-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.custom-card-icon {
    font-size: 40px;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0fdf4;
    border-radius: 12px;
}
.custom-card-body {
    flex: 1;
}
.custom-card-body h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--dark);
}
.custom-card-body p {
    font-size: 14px;
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}
.custom-card-price {
    flex-shrink: 0;
    text-align: right;
    font-size: 22px;
    font-weight: 800;
    color: #00695c;
    white-space: nowrap;
}
.custom-card-price span {
    font-size: 13px;
    font-weight: 400;
    color: #94a3b8;
}
@media (max-width: 640px) {
    .custom-card {
        flex-direction: column;
        text-align: center;
    }
    .custom-card-price {
        text-align: center;
    }
}