:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #10b981;
    --accent: #f59e0b;
    --glass-light: rgba(255, 255, 255, 0.65);
    --glass-dark: rgba(15, 23, 42, 0.75);
    --glass-border-light: rgba(255, 255, 255, 0.5);
    --glass-border-dark: rgba(255, 255, 255, 0.1);
    --text-light: #1e293b;
    --text-dark: #f1f5f9;
    --bg-light: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0fdfa 100%);
    --bg-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    transition: all 0.5s ease;
    overflow-x: hidden;
}

[data-theme="light"] body {
    background: var(--bg-light);
    color: var(--text-light);
}

[data-theme="dark"] body {
    background: var(--bg-dark);
    color: var(--text-dark);
}

/* 液态玻璃效果 */
.glass {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .glass {
    background: var(--glass-light);
    border-color: var(--glass-border-light);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .glass {
    background: var(--glass-dark);
    border-color: var(--glass-border-dark);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.glass:hover {
    backdrop-filter: blur(30px);
}

/* 导航栏 */
.navbar-custom {
    padding: 1.2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.3s ease-in-out;
    background: transparent !important;
    box-shadow: none !important;
    border-bottom: none !important;
}

[data-theme="light"] .navbar-custom.scrolled {
    background: rgba(255, 255, 255, 0.3) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.6) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3) !important;
}

[data-theme="dark"] .navbar-custom.scrolled {
    background: rgba(15, 23, 42, 0.3) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* 下载区域 */
[data-theme="dark"] .download-section {
    background: #0f172a !important;
}

[data-theme="dark"] .download-section h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .download-section p {
    color: rgba(241, 245, 249, 0.6) !important;
}

[data-theme="dark"] .download-section .slide-up {
    background: #1e293b !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .download-section .slide-up h3 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .download-section .slide-up p {
    color: rgba(241, 245, 249, 0.6) !important;
}

[data-theme="dark"] .download-section .slide-up li {
    color: rgba(241, 245, 249, 0.7) !important;
}

[data-theme="dark"] .download-section .slide-up .bg-light {
    background: rgba(16, 185, 129, 0.1) !important;
    color: #10b981 !important;
}

[data-theme="dark"] .download-section .slide-up .bg-success {
    background: rgba(16, 185, 129, 0.1) !important;
    color: #10b981 !important;
}

[data-theme="dark"] .download-section .slide-up .position-absolute {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%) !important;
}

[data-theme="dark"] .download-section .trust-section {
    background: #1e293b !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .download-section .trust-section div {
    color: rgba(241, 245, 249, 0.7) !important;
}

/* 功能特性和使用步骤 */
[data-theme="dark"] .features-section,
[data-theme="dark"] .steps-section {
    background: #0f172a !important;
}

[data-theme="dark"] .features-section h2,
[data-theme="dark"] .steps-section h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .features-section p,
[data-theme="dark"] .steps-section p {
    color: rgba(241, 245, 249, 0.6) !important;
}

[data-theme="dark"] .features-section .slide-up,
[data-theme="dark"] .steps-section .slide-up {
    background: #1e293b !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .features-section .slide-up h3,
[data-theme="dark"] .steps-section .slide-up h3 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .features-section .slide-up p,
[data-theme="dark"] .steps-section .slide-up p {
    color: rgba(241, 245, 249, 0.6) !important;
}

/* 信任标识 */
[data-theme="dark"] .trust-badges {
    background: #1e293b !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .trust-badges div {
    color: rgba(241, 245, 249, 0.7) !important;
}

/* 下载区域信任标识 */
[data-theme="dark"] .download-section > div > div:last-child {
    background: #1e293b !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .download-section > div > div:last-child div {
    color: rgba(241, 245, 249, 0.7) !important;
}

/* 标题区域 */
[data-theme="dark"] .section-title h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .section-title p {
    color: rgba(241, 245, 249, 0.6) !important;
}

/* 按钮样式 */
[data-theme="dark"] .btn-primary {
    background: #10b981 !important;
    border-color: #10b981 !important;
}

[data-theme="dark"] .btn-primary:hover {
    background: #059669 !important;
    border-color: #059669 !important;
}



/* 统计数据卡片 */
[data-theme="dark"] .hero-stats .stat-item {
    background: rgba(30, 41, 59, 0.7) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

[data-theme="dark"] .hero-stats .stat-number {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .hero-stats .stat-label {
    color: rgba(241, 245, 249, 0.6) !important;
}

/* 下载区域标题 */
[data-theme="dark"] .download-section > div > div:first-child > div:first-child {
    background: rgba(16, 185, 129, 0.1) !important;
    color: #10b981 !important;
}

[data-theme="dark"] .download-section > div > div:first-child > h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .download-section > div > div:first-child > p {
    color: rgba(241, 245, 249, 0.6) !important;
}

/* 渐变过渡层 */
[data-theme="dark"] .hero-section > div:last-child {
    background: linear-gradient(to bottom, transparent 0%, #0f172a 100%) !important;
}

/* 下载卡片标签 */
[data-theme="dark"] .download-section .slide-up > div > div:nth-child(2) > span {
    background: rgba(16, 185, 129, 0.1) !important;
    color: #10b981 !important;
}

/* 下载卡片特性列表 */
[data-theme="dark"] .download-section .slide-up li span {
    color: rgba(241, 245, 249, 0.7) !important;
}

.nav-link {
    font-weight: 500;
    padding: 0.6rem 1.5rem !important;
    border-radius: 12px;
    transition: all 0.3s ease;
    margin: 0 0.3rem;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link:hover {
    transform: translateY(-2px);
    color: var(--primary) !important;
}

/* 主题切换 */
.theme-toggle {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .theme-toggle {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #d97706;
}

[data-theme="dark"] .theme-toggle {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #94a3b8;
}

.theme-toggle:hover {
    transform: rotate(180deg) scale(1.1);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 20px 100px;
    position: relative;
    overflow: hidden;
}

/* 动态背景元素 */
.hero-bg-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float-shape 25s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    top: -150px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    bottom: -100px;
    left: -100px;
    animation-delay: -8s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    top: 50%;
    left: 30%;
    animation-delay: -16s;
}

@keyframes float-shape {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(30px, 50px) scale(1.05); }
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

[data-theme="light"] .hero-badge {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    color: var(--primary);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

[data-theme="dark"] .hero-badge {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%);
    color: #38bdf8;
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

[data-theme="light"] .hero-title {
    background: linear-gradient(135deg, #0f172a 0%, #334155 50%, #0ea5e9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .hero-title {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.35rem;
    margin-bottom: 3.5rem;
    opacity: 0.75;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.btn-hero-primary {
    padding: 18px 48px;
    border-radius: 16px;
    font-weight: 600;
    font-size: 1.05rem;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: #10b981;
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.3);
}

.btn-hero-secondary {
    padding: 18px 48px;
    border-radius: 16px;
    font-weight: 600;
    font-size: 1.05rem;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .btn-hero-secondary {
    color: var(--text-light);
    border: 2px solid rgba(14, 165, 233, 0.3);
}

[data-theme="dark"] .btn-hero-secondary {
    color: var(--text-dark);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-hero-secondary:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    color: var(--primary);
}

/* 统计数据 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 20px 30px;
    border-radius: 20px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #10b981;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 5px;
}

/* 下载区域 */
.download-section {
    padding: 120px 20px;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    padding: 40px;
    border-radius: 24px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    color: var(--primary);
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.15rem;
    opacity: 0.7;
    line-height: 1.7;
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.download-card {
    padding: 50px 40px;
    border-radius: 32px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0ea5e9 0%, #10b981 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.download-card:hover {
    transform: translateY(-10px);
}

[data-theme="light"] .download-card:hover {
    box-shadow: 0 30px 60px rgba(14, 165, 233, 0.15);
}

[data-theme="dark"] .download-card:hover {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.download-icon-wrapper {
    width: 100px;
    height: 100px;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.2);
    color: #10b981;
    transition: all 0.4s ease;
}

.download-card:hover .download-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    background: #10b981;
    color: white;
    border-color: transparent;
}

.download-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.download-desc {
    font-size: 1rem;
    opacity: 0.7;
    margin-bottom: 30px;
}

.download-features {
    list-style: none;
    text-align: left;
    margin-bottom: 35px;
    padding: 0 20px;
}

.download-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

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

.download-features li i {
    color: var(--secondary);
    font-size: 1.1rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 45px;
    border-radius: 16px;
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1;
    overflow: hidden;
    width: 100%;
    justify-content: center;
}

.btn-download-primary {
    background: #10b981;
    color: white;
}

.btn-download-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.3);
}

.version-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 8px;
    background: rgba(255, 255, 255, 0.2);
}

/* 功能特性 */
.features-section {
    padding: 120px 20px;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    padding: 40px 35px;
    border-radius: 24px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0ea5e9 0%, #10b981 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 25px;
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.2);
    color: #10b981;
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
    background: #10b981;
    color: white;
    border-color: transparent;
}

.feature-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-desc {
    font-size: 1rem;
    opacity: 0.7;
    line-height: 1.7;
}

/* 使用步骤 */
.steps-section {
    padding: 120px 20px;
    position: relative;
}

.steps-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.step-card {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 25px;
    background: #10b981;
    color: white;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.3); opacity: 0; }
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.step-desc {
    font-size: 0.95rem;
    opacity: 0.7;
    line-height: 1.6;
}

/* 页脚 */
footer {
    padding: 60px 20px 40px;
    position: relative;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-brand-icon {
    width: 50px;
    height: 50px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: #10b981;
    color: white;
}

.footer-brand-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-links a {
    text-decoration: none;
    opacity: 0.7;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary);
}

[data-theme="light"] .footer-links a {
    color: var(--text-light);
}

[data-theme="dark"] .footer-links a {
    color: var(--text-dark);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    opacity: 0.6;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* 响应式 */
@media (max-width: 768px) {
    /* 导航栏 */
    .navbar-custom {
        padding: 0.8rem 0 !important;
    }
    
    .navbar-brand {
        font-size: 1.2rem !important;
    }
    
    .navbar-brand div {
        width: 36px !important;
        height: 36px !important;
        font-size: 1rem !important;
    }
    
    /* Hero Section */
    .hero-section {
        padding: 80px 15px 60px !important;
        min-height: 100vh !important;
    }
    
    .hero-content {
        text-align: center !important;
        padding: 0 10px !important;
    }
    
    .hero-title {
        font-size: 2rem !important;
        line-height: 1.2 !important;
        margin-bottom: 15px !important;
    }
    
    .hero-subtitle {
        font-size: 0.9rem !important;
        margin-bottom: 30px !important;
    }
    
    .hero-buttons {
        flex-direction: column !important;
        align-items: center !important;
        gap: 12px !important;
    }
    
    .hero-buttons button {
        width: 100% !important;
        max-width: 260px !important;
        padding: 12px 20px !important;
        font-size: 0.9rem !important;
    }
    
    /* 统计数据 */
    .hero-stats {
        flex-direction: column !important;
        gap: 15px !important;
        margin-top: 40px !important;
    }
    
    .stat-item {
        width: 100% !important;
        max-width: 240px !important;
        padding: 20px !important;
        margin: 0 auto !important;
    }
    
    .stat-number {
        font-size: 1.8rem !important;
    }
    
    .stat-label {
        font-size: 0.8rem !important;
    }
    
    /* 下载区域 */
    .download-section {
        padding: 50px 15px !important;
    }
    
    .download-section > div {
        padding: 0 10px !important;
    }
    
    .download-section h2 {
        font-size: 1.8rem !important;
        margin-bottom: 15px !important;
    }
    
    .download-section p {
        font-size: 0.9rem !important;
        margin-bottom: 30px !important;
    }
    
    .download-section > div > div:first-child > div:first-child {
        font-size: 0.75rem !important;
        padding: 6px 16px !important;
        margin-bottom: 15px !important;
    }
    
    .download-cards {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .download-card {
        padding: 28px !important;
    }
    
    .download-card .card-icon {
        width: 60px !important;
        height: 60px !important;
        font-size: 1.5rem !important;
        margin-bottom: 20px !important;
    }
    
    .download-card h3 {
        font-size: 1.3rem !important;
        margin-bottom: 12px !important;
    }
    
    .download-card p {
        font-size: 0.85rem !important;
        margin-bottom: 20px !important;
    }
    
    .download-card ul {
        margin-bottom: 24px !important;
    }
    
    .download-card li {
        font-size: 0.85rem !important;
        margin-bottom: 10px !important;
    }
    
    .download-card button {
        padding: 12px 24px !important;
        font-size: 0.9rem !important;
    }
    
    /* 功能特性 */
    .features-section {
        padding: 50px 15px !important;
    }
    
    .features-section > div {
        padding: 0 10px !important;
    }
    
    .section-title {
        font-size: 1.8rem !important;
        margin-bottom: 15px !important;
    }
    
    .features-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .feature-card {
        padding: 28px !important;
    }
    
    .feature-icon {
        width: 60px !important;
        height: 60px !important;
        font-size: 1.5rem !important;
        margin-bottom: 20px !important;
    }
    
    .feature-title {
        font-size: 1.2rem !important;
        margin-bottom: 12px !important;
    }
    
    .feature-desc {
        font-size: 0.85rem !important;
    }
    
    /* 使用步骤 */
    .steps-section {
        padding: 50px 15px !important;
    }
    
    .steps-section > div {
        padding: 0 10px !important;
    }
    
    .steps-container {
        flex-direction: column !important;
        gap: 20px !important;
    }
    
    .step-card {
        padding: 28px 15px !important;
        max-width: 100% !important;
    }
    
    .step-number {
        width: 60px !important;
        height: 60px !important;
        font-size: 1.5rem !important;
        margin-bottom: 20px !important;
    }
    
    .step-title {
        font-size: 1.2rem !important;
        margin-bottom: 12px !important;
    }
    
    .step-desc {
        font-size: 0.85rem !important;
    }
    
    /* 信任标识 */
    .trust-badges {
        flex-direction: column !important;
        gap: 15px !important;
        padding: 24px 15px !important;
        margin-top: 40px !important;
    }
    
    .trust-badges div {
        font-size: 0.85rem !important;
    }
    
    /* 页脚 */
    footer {
        padding: 30px 15px 20px !important;
    }
    
    footer > div {
        padding: 0 10px !important;
    }
    
    .footer-top {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 15px !important;
        margin-bottom: 30px !important;
        padding-bottom: 30px !important;
    }
    
    .footer-brand-icon {
        width: 40px !important;
        height: 40px !important;
        font-size: 1.2rem !important;
    }
    
    .footer-brand-text {
        font-size: 1.2rem !important;
    }
    
    .footer-links {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
    
    .footer-links a {
        font-size: 0.9rem !important;
    }
    
    .footer-bottom {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }
    
    .footer-copyright {
        font-size: 0.8rem !important;
    }
    
    .social-link {
        width: 40px !important;
        height: 40px !important;
        font-size: 1rem !important;
    }
    
    /* 鼠标跟随效果 */
    .mouse-glow {
        width: 120px !important;
        height: 120px !important;
    }
    
    /* 通用调整 */
    * {
        box-sizing: border-box !important;
    }
    
    body {
        font-size: 14px !important;
    }
    
    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
}

/* 商业价值 - 暗黑模式 */
[data-theme="dark"] .business-section {
    background: #0f172a !important;
}

[data-theme="dark"] .business-section h2 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .business-section p {
    color: rgba(241, 245, 249, 0.6) !important;
}

[data-theme="dark"] .business-section .business-tab {
    background: rgba(16, 185, 129, 0.2) !important;
    color: #10b981 !important;
}

[data-theme="dark"] .business-section .business-tab.active {
    background: #10b981 !important;
    color: white !important;
}

[data-theme="dark"] .business-section .slide-up {
    background: #1e293b !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

[data-theme="dark"] .business-section h3 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .business-section h4 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .business-section ul li span {
    color: rgba(241, 245, 249, 0.7) !important;
}

/* 动画 */
.fade-in {
    animation: fadeIn 1s ease forwards;
    opacity: 0;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 1s ease forwards;
    opacity: 0;
    transform: translateY(40px);
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scale-in {
    animation: scaleIn 0.8s ease forwards;
    opacity: 0;
    transform: scale(0.9);
}

@keyframes scaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 鼠标跟随发光效果 */
.mouse-glow {
    position: fixed;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.3) 0%, rgba(16, 185, 129, 0.1) 50%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease-out, opacity 0.3s ease;
    filter: blur(30px);
}

[data-theme="dark"] .mouse-glow {
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, rgba(16, 185, 129, 0.05) 50%, transparent 70%);
}

/* 深色模式样式 */
[data-theme="dark"] .download-section {
    background: rgba(15, 23, 42, 0.95);
}

[data-theme="dark"] .download-section h2 {
    background: linear-gradient(135deg, #f8fafc 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .slide-up {
    background: rgba(30, 41, 59, 0.8) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .slide-up h3 {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .slide-up p {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .slide-up span {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .features-section {
    background: rgba(15, 23, 42, 0.5);
}

[data-theme="dark"] .features-section h2 {
    background: linear-gradient(135deg, #f8fafc 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .steps-section h2 {
    background: linear-gradient(135deg, #f8fafc 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .nav-link {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .navbar-brand {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .hero-subtitle {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .stat-label {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .section-subtitle {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .download-title {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .download-desc {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .download-features li {
    color: rgba(255, 255, 255, 0.7) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

[data-theme="dark"] .feature-title {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .feature-desc {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .step-title {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .step-desc {
    color: rgba(255, 255, 255, 0.7) !important;
}

[data-theme="dark"] .step-card {
    background: rgba(30, 41, 59, 0.8) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .feature-card {
    background: rgba(30, 41, 59, 0.8) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .download-card {
    background: rgba(30, 41, 59, 0.8) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}