/* ==================== 全局样式重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent-color: #06b6d4;
    --accent-light: #22d3ee;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 0%, #a5b4fc 50%, #67e8f9 100%);
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(18, 18, 26, 0.7);
    --bg-card-hover: rgba(26, 26, 37, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: #27272a;
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* 网格背景 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

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

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-outline:hover {
    border-color: var(--primary-color);
    background: var(--bg-glass);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ==================== Hero区域 ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-value {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* Hero背景装饰 */
.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    animation: float 8s ease-in-out infinite;
}

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

/* ==================== 通用Section样式 ==================== */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ==================== 产品展示 ==================== */
.products {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

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

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

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

.product-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    background: var(--gradient-primary);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.product-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    margin-bottom: 30px;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features li::before {
    content: '✓';
    color: #10b981;
    font-weight: bold;
    width: 20px;
    height: 20px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* ==================== 核心功能 ==================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    background: var(--bg-card-hover);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* ==================== 下载区域 ==================== */
.download {
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.03) 50%, transparent 100%);
}

.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 60px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.download-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.download-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-desc {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 18px;
}

.download-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.download-btn-icon {
    font-size: 28px;
}

.download-btn-text {
    text-align: left;
}

.download-btn-text small {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
}

.download-btn-text strong {
    font-size: 16px;
    font-weight: 600;
}

/* ==================== 关于我们 ==================== */
.about {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.02) 50%, transparent 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.value-item {
    padding: 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
}

.value-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.value-item p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

.about-contact {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(20px);
}

.about-contact h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-contact p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-contact p::before {
    content: '•';
    color: var(--primary-light);
    font-weight: bold;
}

/* ==================== 价格套餐 ==================== */
.pricing {
    background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.02) 50%, transparent 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 40px 30px;
    position: relative;
    transition: all 0.4s ease;
    backdrop-filter: blur(20px);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-card);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-card) 100%);
    transform: scale(1.05);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: #fff;
    padding: 6px 24px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.pricing-price {
    font-size: 56px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-price .currency {
    font-size: 24px;
    vertical-align: top;
}

.pricing-price .period {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 400;
    -webkit-text-fill-color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
}

.pricing-features li {
    padding: 10px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    color: #10b981;
    font-weight: bold;
}

/* ==================== 积分充值 ==================== */
.credits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto 40px;
}

.credit-card {
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
}

.credit-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}

.credit-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-card) 100%);
}

.credit-bonus {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
}

.credit-num {
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.credit-price {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 600;
}

.credits-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    padding: 20px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
}

/* ==================== 帮助中心 ==================== */
.help {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.02) 50%, transparent 100%);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    overflow: hidden;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.faq-item.active {
    border-color: var(--primary-color);
}

.faq-question {
    padding: 22px 28px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
    font-size: 16px;
}

.faq-question:hover {
    background: var(--bg-glass);
}

.faq-icon {
    font-size: 24px;
    color: var(--primary-light);
    transition: transform 0.3s ease;
    font-weight: 300;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 28px 24px;
}

/* ==================== 法律声明 ==================== */
.legal-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.legal-tab {
    padding: 12px 28px;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    font-weight: 500;
    backdrop-filter: blur(20px);
}

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

.legal-tab.active {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 50px;
    backdrop-filter: blur(20px);
}

.legal-panel {
    display: none;
}

.legal-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

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

.legal-panel h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.legal-date {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-glass);
}

.legal-panel h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 28px 0 14px;
}

.legal-panel p {
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 14px;
    font-size: 15px;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-glass);
    padding: 60px 0 30px;
    position: relative;
    z-index: 1;
}

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

.footer-brand .logo-text {
    font-size: 22px;
    margin-bottom: 16px;
    display: block;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-column h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-glass);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 8px;
    line-height: 1.8;
}

/* ==================== 弹窗样式 ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 40px;
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
    backdrop-filter: blur(30px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    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-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-glass);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ==================== Toast提示 ==================== */
.toast {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 14px 24px;
    color: var(--text-primary);
    font-size: 14px;
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.toast.error {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .products-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-desc {
        font-size: 16px;
    }
    
    .products-grid,
    .features-grid,
    .pricing-grid,
    .credits-grid {
        grid-template-columns: 1fr;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 30px 24px;
    }
    
    .legal-content {
        padding: 30px 24px;
    }
    
    .download-card {
        padding: 40px 24px;
    }
}

/* ==================== 兼容HTML原有class名称 ==================== */
/* Hero区域兼容 */
.hero-desc {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Hero视觉区域 - 轮播图 */
.hero-visual {
    margin-top: 60px;
    position: relative;
}

.hero-carousel {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-glass);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: var(--bg-card);
}

.carousel-container {
    position: relative;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
}

.carousel-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    align-items: center;
    gap: 12px;
}

.caption-tag {
    padding: 6px 14px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.caption-text {
    color: white;
    font-size: 16px;
    font-weight: 500;
}

.carousel-indicators {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background: white;
    width: 30px;
    border-radius: 5px;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-glass);
    color: white;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--primary-color);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* 导航栏用户信息 */
.nav-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-user-info:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
}

.nav-user-credits {
    color: #fbbf24;
    font-weight: 700;
    font-size: 14px;
}

.nav-user-name {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
}

/* 移动端菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .carousel-caption {
        padding: 20px;
    }
    
    .caption-text {
        font-size: 14px;
    }
    
    .carousel-btn {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}

/* 图标通用样式 */
.icon {
    width: 20px;
    height: 20px;
}

/* ==================== 问题修复样式 ==================== */

/* 问题1：导航栏布局 - 确保按钮和用户信息在最右边 */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 问题2：Hero区域左右两栏布局 */
.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
    text-align: left !important;
    max-width: 50% !important;
}

.hero-visual {
    flex: 1;
    margin-top: 0 !important;
    max-width: 50%;
}

.hero-title {
    text-align: left;
}

.hero-desc {
    text-align: left;
    margin-left: 0 !important;
}

.hero-actions {
    justify-content: flex-start !important;
}

.hero-stats {
    justify-content: flex-start !important;
    gap: 40px !important;
}

/* 问题3：产品卡片缩小 */
.products-grid {
    gap: 24px !important;
}

.product-card {
    padding: 30px !important;
}

.product-icon {
    width: 52px !important;
    height: 52px !important;
    font-size: 22px !important;
    margin-bottom: 18px !important;
}

.product-title {
    font-size: 22px !important;
    margin-bottom: 10px !important;
}

.product-desc {
    font-size: 14px !important;
    margin-bottom: 18px !important;
}

.product-features {
    margin-bottom: 22px !important;
}

.product-features li {
    padding: 6px 0 !important;
    font-size: 13px !important;
}

/* 问题4：下载按钮图标缩小 */
.download-btn-icon {
    font-size: 20px !important;
}

.download-btn {
    padding: 12px 24px !important;
    gap: 10px !important;
}

.download-btn-text strong {
    font-size: 14px !important;
}

.download-btn-text small {
    font-size: 10px !important;
}

/* 问题5：二维码区域缩小 */
.download-card {
    padding: 30px !important;
}

.download-visual {
    max-width: 350px !important;
}

/* 问题6：页脚排版修复 */
.footer-grid {
    display: grid !important;
    grid-template-columns: 2fr 1fr 1fr 1fr !important;
    gap: 40px !important;
}

.footer-brand {
    display: block !important;
}

.footer-brand .logo-text {
    display: block !important;
    margin-bottom: 16px !important;
}

.footer-column {
    display: block !important;
}

.footer-column h4 {
    margin-bottom: 18px !important;
}

.footer-column ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.footer-column li {
    margin-bottom: 10px !important;
}

.footer-column a {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-size: 14px !important;
    transition: color 0.3s ease !important;
    display: inline !important;
}

.footer-column a:hover {
    color: var(--primary-light) !important;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .hero .container {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-content,
    .hero-visual {
        max-width: 100% !important;
    }
    
    .hero-title,
    .hero-desc {
        text-align: center;
    }
    
    .hero-actions,
    .hero-stats {
        justify-content: center !important;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr !important;
    }
    
    .footer-grid {
        grid-template-columns: 1fr !important;
    }
    
    .download-visual {
        max-width: 100% !important;
    }
}

/* ==================== 问题修复样式v2 - 使用正确的class名称 ==================== */

/* 问题1：导航栏布局 */
.navbar .container {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
}

.nav-actions {
    margin-left: auto !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

/* 问题3：产品卡片缩小 - 使用正确的class名称 */
.products-grid {
    gap: 24px !important;
}

.product-card {
    padding: 28px !important;
}

.product-icon {
    width: 48px !important;
    height: 48px !important;
    font-size: 20px !important;
    margin-bottom: 16px !important;
}

.product-name {
    font-size: 20px !important;
    margin-bottom: 6px !important;
}

.product-type {
    font-size: 13px !important;
    margin-bottom: 12px !important;
}

.product-desc {
    font-size: 13px !important;
    margin-bottom: 16px !important;
    line-height: 1.6 !important;
}

.product-features {
    margin-bottom: 18px !important;
}

.product-features li {
    padding: 5px 0 !important;
    font-size: 12px !important;
}

.product-actions {
    gap: 10px !important;
}

.product-actions .btn {
    padding: 8px 16px !important;
    font-size: 12px !important;
}

/* 问题4：下载按钮和平台图标缩小 */
.download-platforms {
    gap: 12px !important;
    margin-bottom: 24px !important;
}

.platform-item {
    padding: 14px 20px !important;
    gap: 10px !important;
}

.platform-item .platform-icon {
    font-size: 24px !important;
    width: 32px !important;
    height: 32px !important;
}

.platform-item .platform-name {
    font-size: 14px !important;
}

.platform-item .platform-desc {
    font-size: 11px !important;
}

.download-actions .btn {
    padding: 12px 24px !important;
    font-size: 14px !important;
}

.download-actions .btn .icon {
    width: 18px !important;
    height: 18px !important;
}

/* 问题5：二维码区域缩小 */
.download-content {
    gap: 40px !important;
}

.download-visual {
    max-width: 320px !important;
}

.download-card {
    padding: 24px !important;
}

.qr-code {
    width: 160px !important;
    height: 160px !important;
    margin-bottom: 16px !important;
}

.qr-placeholder {
    font-size: 12px !important;
}

.system-req {
    font-size: 11px !important;
    padding: 10px !important;
}

/* 问题6：页脚排版修复 - 使用正确的class名称 */
.footer-content {
    display: grid !important;
    grid-template-columns: 2fr 1fr 1fr 1fr !important;
    gap: 40px !important;
    margin-bottom: 40px !important;
}

.footer-brand {
    display: block !important;
}

.footer-logo {
    margin-bottom: 16px !important;
}

.footer-logo .logo-sub {
    font-size: 20px !important;
    font-weight: 700 !important;
    background: var(--gradient-text) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

.footer-desc {
    color: var(--text-secondary) !important;
    font-size: 14px !important;
    line-height: 1.8 !important;
    margin-bottom: 20px !important;
}

.footer-links {
    display: contents !important;
}

.footer-column {
    display: block !important;
}

.footer-column h4 {
    font-size: 15px !important;
    font-weight: 600 !important;
    margin-bottom: 18px !important;
    color: var(--text-primary) !important;
}

.footer-column ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.footer-column li {
    margin-bottom: 10px !important;
}

.footer-column a {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-size: 14px !important;
    transition: color 0.3s ease !important;
    display: inline !important;
}

.footer-column a:hover {
    color: var(--primary-light) !important;
}

.footer-bottom {
    padding-top: 30px !important;
    border-top: 1px solid var(--border-glass) !important;
    text-align: center !important;
}

.footer-bottom p {
    color: var(--text-muted) !important;
    font-size: 13px !important;
    margin-bottom: 8px !important;
    line-height: 1.8 !important;
}

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

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr !important;
    }
    
    .footer-content {
        grid-template-columns: 1fr !important;
    }
    
    .download-content {
        flex-direction: column !important;
    }
    
    .download-visual {
        max-width: 100% !important;
    }
}

/* ==================== 修复平台图标大小 ==================== */
.download-platforms {
    display: flex !important;
    gap: 16px !important;
    margin-bottom: 28px !important;
    flex-wrap: wrap !important;
}

.platform-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 14px 24px !important;
    background: var(--bg-glass) !important;
    border: 1px solid var(--border-glass) !important;
    border-radius: var(--radius-md) !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    width: auto !important;
    max-width: 250px !important;
}

.platform-item:hover {
    border-color: var(--primary-color) !important;
    background: var(--bg-card-hover) !important;
    transform: translateY(-2px) !important;
}

.platform-item.disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    position: relative !important;
}

.platform-item svg {
    width: 28px !important;
    height: 28px !important;
    flex-shrink: 0 !important;
    color: var(--primary-light) !important;
}

.platform-item span {
    font-size: 15px !important;
    font-weight: 500 !important;
    color: var(--text-primary) !important;
    white-space: nowrap !important;
}

.platform-item .coming-soon {
    font-size: 10px !important;
    padding: 2px 8px !important;
    background: rgba(245, 158, 11, 0.2) !important;
    color: #fbbf24 !important;
    border-radius: 10px !important;
    margin-left: auto !important;
}

/* 下载按钮图标 */
.download-actions {
    display: flex !important;
    align-items: center !important;
    gap: 16px !important;
    flex-wrap: wrap !important;
}

.download-actions .btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
}

.download-actions .btn .icon {
    width: 20px !important;
    height: 20px !important;
    flex-shrink: 0 !important;
}

.download-meta {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    color: var(--text-muted) !important;
    font-size: 13px !important;
}

/* 下载区域整体布局 */
.download-content {
    display: flex !important;
    align-items: center !important;
    gap: 60px !important;
}

.download-info {
    flex: 1 !important;
}

.download-visual {
    flex-shrink: 0 !important;
    width: 320px !important;
}

@media (max-width: 768px) {
    .download-content {
        flex-direction: column !important;
        gap: 40px !important;
    }
    
    .download-visual {
        width: 100% !important;
        max-width: 320px !important;
    }
    
    .platform-item {
        max-width: 100% !important;
    }
}

/* ==================== 强制限制下载区域右侧宽度 ==================== */
section#download .download-content {
    display: flex !important;
    align-items: flex-start !important;
    gap: 60px !important;
}

section#download .download-info {
    flex: 1 1 auto !important;
    min-width: 0 !important;
}

section#download .download-visual {
    flex: 0 0 300px !important;
    width: 300px !important;
    max-width: 300px !important;
    min-width: 300px !important;
}

section#download .download-card {
    width: 100% !important;
    max-width: 300px !important;
    padding: 24px !important;
}

section#download .qr-code {
    width: 140px !important;
    height: 140px !important;
    margin: 0 auto 16px auto !important;
}

section#download .qr-placeholder {
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
}

section#download .qr-placeholder svg {
    width: 60px !important;
    height: 60px !important;
    color: var(--text-muted) !important;
}

section#download .qr-placeholder p {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin: 0 !important;
}

section#download .system-req {
    margin-top: 20px !important;
    padding: 16px !important;
    background: var(--bg-glass) !important;
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--border-glass) !important;
}

section#download .system-req h4 {
    font-size: 13px !important;
    font-weight: 600 !important;
    margin-bottom: 10px !important;
    color: var(--text-primary) !important;
}

section#download .system-req ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

section#download .system-req li {
    font-size: 11px !important;
    color: var(--text-secondary) !important;
    padding: 3px 0 !important;
    line-height: 1.5 !important;
}

section#download .system-req li::before {
    content: "•" !important;
    color: var(--primary-light) !important;
    margin-right: 6px !important;
}

@media (max-width: 768px) {
    section#download .download-content {
        flex-direction: column !important;
        gap: 30px !important;
    }
    
    section#download .download-visual {
        flex: 0 0 auto !important;
        width: 100% !important;
        max-width: 300px !important;
        min-width: auto !important;
        margin: 0 auto !important;
    }
}

/* ==================== 最高优先级：强制限制平台图标大小 ==================== */
.download-platforms .platform-item,
section#download .download-platforms .platform-item,
body .download .download-platforms .platform-item {
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 10px 18px !important;
    width: auto !important;
    max-width: 200px !important;
    min-width: auto !important;
    height: auto !important;
}

.download-platforms .platform-item svg,
section#download .download-platforms .platform-item svg,
body .download .download-platforms .platform-item svg {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
    min-width: 24px !important;
    min-height: 24px !important;
    flex-shrink: 0 !important;
    display: inline-block !important;
}

.download-platforms .platform-item span,
section#download .download-platforms .platform-item span {
    font-size: 14px !important;
    white-space: nowrap !important;
}

/* 确保下载平台容器不会占满 */
.download-platforms,
section#download .download-platforms {
    display: flex !important;
    gap: 12px !important;
    flex-wrap: wrap !important;
    width: auto !important;
    max-width: 100% !important;
}

/* ==================== 强制限制产品卡片大小 ==================== */
section#products .products-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px !important;
    max-width: 1000px !important;
    margin: 0 auto !important;
}

section#products .product-card {
    padding: 28px !important;
    max-height: 480px !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
}

section#products .product-badge {
    position: absolute !important;
    top: 16px !important;
    right: 16px !important;
    padding: 4px 12px !important;
    font-size: 11px !important;
    border-radius: 20px !important;
}

section#products .product-icon {
    width: 48px !important;
    height: 48px !important;
    font-size: 20px !important;
    margin-bottom: 14px !important;
    border-radius: 12px !important;
}

section#products .product-icon svg {
    width: 24px !important;
    height: 24px !important;
}

section#products .product-name {
    font-size: 20px !important;
    font-weight: 700 !important;
    margin-bottom: 4px !important;
}

section#products .product-type {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-bottom: 12px !important;
}

section#products .product-desc {
    font-size: 13px !important;
    color: var(--text-secondary) !important;
    line-height: 1.6 !important;
    margin-bottom: 16px !important;
}

section#products .product-features {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 0 16px 0 !important;
    flex: 1 !important;
    overflow-y: auto !important;
}

section#products .product-features li {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 6px 0 !important;
    font-size: 12px !important;
    color: var(--text-secondary) !important;
    line-height: 1.4 !important;
}

section#products .product-features li svg {
    width: 16px !important;
    height: 16px !important;
    flex-shrink: 0 !important;
    color: #10b981 !important;
}

section#products .product-actions {
    display: flex !important;
    gap: 10px !important;
    margin-top: auto !important;
    padding-top: 12px !important;
    border-top: 1px solid var(--border-glass) !important;
}

section#products .product-actions .btn {
    padding: 8px 16px !important;
    font-size: 12px !important;
    border-radius: 8px !important;
}

@media (max-width: 768px) {
    section#products .products-grid {
        grid-template-columns: 1fr !important;
    }
    
    section#products .product-card {
        max-height: none !important;
    }
}

/* ==================== 简洁版帮助中心和法律声明 ==================== */
.help-compact,
.legal-compact {
    padding: 60px 0 !important;
}

.help-compact-content,
.legal-compact-content {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 40px !important;
    max-width: 900px !important;
    margin: 0 auto !important;
    padding: 40px !important;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-glass) !important;
    border-radius: var(--radius-xl) !important;
    backdrop-filter: blur(20px) !important;
}

.help-compact-text,
.legal-compact-text {
    flex: 1 !important;
    text-align: left !important;
}

.help-compact-text .section-tag,
.legal-compact-text .section-tag {
    margin-bottom: 12px !important;
}

.help-compact-text .section-title,
.legal-compact-text .section-title {
    font-size: 28px !important;
    margin-bottom: 8px !important;
    text-align: left !important;
}

.help-compact-text .section-desc,
.legal-compact-text .section-desc {
    font-size: 14px !important;
    text-align: left !important;
    margin: 0 !important;
}

.legal-compact-buttons {
    display: flex !important;
    gap: 12px !important;
    flex-wrap: wrap !important;
    justify-content: flex-end !important;
}

/* 大弹窗样式 */
.modal-large .modal-content {
    max-width: 900px !important;
    width: 90% !important;
    max-height: 85vh !important;
    overflow-y: auto !important;
    padding: 40px !important;
}

.modal-large .modal-title {
    font-size: 24px !important;
    margin-bottom: 8px !important;
}

.modal-large .modal-subtitle {
    font-size: 14px !important;
    margin-bottom: 24px !important;
    color: var(--text-secondary) !important;
}

/* 弹窗内FAQ样式 */
.modal-large .faq-list {
    max-width: 100% !important;
}

.modal-large .faq-item {
    margin-bottom: 12px !important;
}

.modal-large .faq-question {
    padding: 16px 20px !important;
    font-size: 14px !important;
}

.modal-large .faq-answer {
    font-size: 13px !important;
    line-height: 1.8 !important;
}

.modal-large .faq-item.active .faq-answer {
    padding: 0 20px 16px !important;
}

/* 弹窗内法律声明样式 */
.modal-large .legal-tabs {
    margin-bottom: 24px !important;
}

.modal-large .legal-content {
    max-width: 100% !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
}

.modal-large .legal-panel h3 {
    font-size: 20px !important;
    margin-bottom: 8px !important;
}

.modal-large .legal-date {
    font-size: 12px !important;
    margin-bottom: 20px !important;
}

.modal-large .legal-panel h4 {
    font-size: 16px !important;
    margin: 20px 0 10px !important;
}

.modal-large .legal-panel p {
    font-size: 13px !important;
    line-height: 1.9 !important;
    margin-bottom: 10px !important;
}

@media (max-width: 768px) {
    .help-compact-content,
    .legal-compact-content {
        flex-direction: column !important;
        text-align: center !important;
        padding: 30px !important;
    }
    
    .help-compact-text,
    .legal-compact-text {
        text-align: center !important;
    }
    
    .help-compact-text .section-title,
    .legal-compact-text .section-title,
    .help-compact-text .section-desc,
    .legal-compact-text .section-desc {
        text-align: center !important;
    }
    
    .legal-compact-buttons {
        justify-content: center !important;
    }
    
    .modal-large .modal-content {
        padding: 24px 20px !important;
        width: 95% !important;
    }
}

/* ==================== 登录/注册弹窗样式 ==================== */
.auth-modal {
    width: 440px !important;
    min-width: 420px !important;
    max-width: 520px !important;
    max-width: 440px !important;
}

.auth-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 0;
}

.auth-tab {
    flex: 1;
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: -1px;
}

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

.auth-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.auth-form {
    
    flex-direction: column !important;
    display: block;
    width: 100%;
}

.auth-form .form-group {
    display: block !important;
    width: 100% !important;
    float: none !important;
    clear: both !important;
    flex: none !important;
    display: block !important;
    width: 100% !important;
    margin-bottom: 18px;
    text-align: left;
}

.auth-form .form-group label {
    display: block !important;
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-align: left;
}

.auth-form .form-group input {
    display: block !important;
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
    box-sizing: border-box;
    display: block;
}

.auth-form .form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
    box-shadow: 0 0 0 3px rgba(122, 92, 255, 0.1);
}

.auth-form .form-group input::placeholder {
    color: var(--text-muted);
}

.auth-form .btn-block {
    display: block !important;
    width: 100% !important;
    float: none !important;
    clear: both !important;
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    margin-top: 8px;
    margin-bottom: 16px;
    display: block;
    box-sizing: border-box;
}

.auth-switch {
    display: block !important;
    width: 100% !important;
    float: none !important;
    clear: both !important;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}