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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
    background: linear-gradient(180deg,
        #faf8ff 0%,
        #f4f1ff 25%,
        #ede8ff 50%,
        #e5deff 75%,
        #ddd4ff 100%
    );
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1;
    font-kerning: normal;
    padding-top: 0;
    margin: 0;
}

/* 加载动画 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #faf8ff 0%, #f4f1ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(124, 58, 237, 0.15);
    border-top-color: #7c3aed;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 科技背景系统 */
.tech-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

/* 移除网格和扫描线以提升性能 */

/* 粒子画布 */
#particles-canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.5;
}

/* 移除光晕球体以提升性能 */

/* 滚动容器 */
.scroll-section {
    height: 6000px;
    position: relative;
}

/* 固定视口 */
.pinned-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    perspective: 2000px;
    will-change: transform;
    backface-visibility: hidden;
}

/* 圆形进度系统 */
.progress-system {
    position: fixed;
    top: 40px;
    right: 40px;
    z-index: 1000;
}

.progress-circle {
    width: 80px;
    height: 80px;
    position: relative;
}

.progress-ring {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
    display: block;
}

.progress-ring-circle {
    stroke: rgba(124, 58, 237, 0.15);
    fill: transparent;
    stroke-width: 2.5;
}

.progress-ring-fill {
    stroke: #7c3aed;
    fill: transparent;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-dasharray: 220;
    stroke-dashoffset: 220;
    transition: stroke-dashoffset 0.3s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: #7c3aed;
    text-align: center;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
}

/* 左上角 Logo */
.corner-logo {
    position: fixed;
    top: 30px;
    left: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 999;
    transition: opacity 0.4s ease;
}

.corner-logo-img {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.2);
}

.corner-logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.corner-logo-cn {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #2d1b4e;
    letter-spacing: 0.05em;
    line-height: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.corner-logo-en {
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 600;
    color: #7c3aed;
    letter-spacing: 0.15em;
    line-height: 1;
    text-transform: uppercase;
}

/* 主导航栏 */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(124, 58, 237, 0.1);
    z-index: 1001;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-brand {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.nav-brand-cn {
    font-size: 18px;
    font-weight: 700;
    color: #2d1b4e;
    letter-spacing: 0.05em;
}

.nav-brand-en {
    font-size: 10px;
    font-weight: 600;
    color: #7c3aed;
    letter-spacing: 0.15em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: #6b5b8a;
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
    display: block;
    padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
    color: #7c3aed;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #7c3aed 0%, #a855f7 100%);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    color: white;
    padding: 10px 24px;
    border-radius: 980px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.25);
    display: inline-block;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.35);
}

.nav-cta:active {
    transform: translateY(0);
}

/* 移动端菜单按钮 */
.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.nav-mobile-toggle span {
    width: 28px;
    height: 3px;
    background: #2d1b4e;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.nav-mobile-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-mobile-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.nav-mobile-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 防止滚动（当移动端菜单打开时） */
body.menu-open {
    overflow: hidden;
}

/* 页脚 - 独立完整页面设计 */
/* ========== Apple风格页脚 ========== */
.main-footer {
    min-height: 100vh;
    background: #f5f5f7;
    color: #1d1d1f;
    padding: 120px 80px 60px;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
}

/* 页脚顶部大标题区域 */
.footer-hero {
    text-align: center;
    margin-bottom: 100px;
    position: relative;
    z-index: 2;
}

.footer-hero-title {
    font-size: 5rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.footer-hero-title .highlight {
    background: linear-gradient(90deg, #7c3aed, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-hero-subtitle {
    font-size: 1.5rem;
    color: #86868b;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
    letter-spacing: -0.01em;
}

/* 页脚网格布局 */
.footer-grid {
    max-width: 1000px;
    margin: 0 auto 80px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 2;
}

/* 页脚区块 */
.footer-section {
    display: flex;
    flex-direction: column;
}

.section-label {
    font-size: 12px;
    font-weight: 600;
    color: #1d1d1f;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

/* 联系链接 */
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-link {
    text-decoration: none;
    display: block;
}

.contact-text {
    font-size: 14px;
    color: #424245;
    transition: color 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.contact-link:hover .contact-text {
    color: #7c3aed;
}

/* 导航链接 */
.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    font-size: 14px;
    color: #424245;
    text-decoration: none;
    transition: color 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.footer-nav a:hover {
    color: #7c3aed;
}

/* 社交图标 */
.social-icons {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #424245;
    transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    border-radius: 50%;
}

.social-icon:hover {
    color: #7c3aed;
    transform: scale(1.1);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

/* 页脚底部 */
.footer-bottom {
    border-top: 1px solid #d2d2d7;
    padding-top: 20px;
    margin-top: auto;
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright {
    font-size: 12px;
    color: #86868b;
    margin: 0;
}

.legal-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.legal-links a {
    font-size: 12px;
    color: #424245;
    text-decoration: none;
    transition: color 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.legal-links a:hover {
    color: #7c3aed;
}

/* ========== 场景容器 ========== */
.scene {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 场景 1: Hero 标题 */
.hero-scene {
    flex-direction: column;
    text-align: center;
    padding: 0 40px;
    opacity: 1 !important;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    color: #2d1b4e;
    margin-bottom: 30px;
    line-height: 1.05;
    letter-spacing: -0.015em;
}

.hero-title-highlight {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.75rem;
    color: #6b5b8a;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

/* 场景 2: 统计卡片 */
.stats-scene {
    position: relative;
    width: 100%;
    max-width: 1200px;
}

.stat-card {
    position: absolute;
    width: 260px;
    height: 200px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px) saturate(180%);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow:
        0 4px 30px rgba(0, 0, 0, 0.1),
        0 0 0 0.5px rgba(0, 0, 0, 0.04) inset;
    opacity: 0;
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* 移除数据流动画以提升性能 */

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 1.05rem;
    color: #6b5b8a;
    font-weight: 500;
}

/* 场景 3: 服务卡片 */
.services-scene {
    width: 100%;
    max-width: 1400px;
    padding: 0 60px;
}

.section-title-wrapper {
    text-align: center;
    margin-bottom: 80px;
    opacity: 0;
}

.section-badge {
    display: inline-block;
    background: rgba(124, 58, 237, 0.12);
    border: 1px solid rgba(124, 58, 237, 0.25);
    color: #7c3aed;
    padding: 6px 18px;
    border-radius: 18px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: -0.005em;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #2d1b4e;
    margin-bottom: 15px;
    letter-spacing: -0.015em;
    line-height: 1.05;
}

.section-description {
    font-size: 1.25rem;
    color: #6b5b8a;
    font-weight: 400;
    letter-spacing: -0.005em;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px) saturate(180%);
    border-radius: 18px;
    padding: 48px 32px;
    box-shadow:
        0 4px 30px rgba(0, 0, 0, 0.1),
        0 0 0 0.5px rgba(0, 0, 0, 0.04) inset;
    opacity: 0;
    transform-style: preserve-3d;
    position: relative;
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 8px 40px rgba(0, 0, 0, 0.15),
        0 0 0 0.5px rgba(0, 0, 0, 0.04) inset;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.25);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d1b4e;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-description {
    font-size: 1rem;
    color: #6b5b8a;
    line-height: 1.5;
    margin-bottom: 24px;
    letter-spacing: -0.003em;
}

.service-features {
    list-style: none;
    margin-bottom: 0;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9375rem;
    color: #8b7ba8;
}

.service-features svg {
    flex-shrink: 0;
    color: #a855f7;
}

/* 场景 4: 特性网格 */
.features-scene {
    width: 100%;
    max-width: 1400px;
    padding: 0 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px) saturate(180%);
    border-radius: 18px;
    padding: 36px 32px;
    box-shadow:
        0 4px 30px rgba(0, 0, 0, 0.1),
        0 0 0 0.5px rgba(0, 0, 0, 0.04) inset;
    opacity: 0;
    position: relative;
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 8px 40px rgba(0, 0, 0, 0.15),
        0 0 0 0.5px rgba(0, 0, 0, 0.04) inset;
}

.feature-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    opacity: 1;
    letter-spacing: -0.02em;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d1b4e;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.feature-description {
    font-size: 0.9375rem;
    color: #6b5b8a;
    line-height: 1.5;
    letter-spacing: -0.003em;
}

/* 场景 5: 最终 Logo */
.final-scene {
    flex-direction: column;
}

.final-logo-wrapper {
    text-align: center;
    opacity: 0;
    position: relative;
}

.final-logo-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, rgba(168, 85, 247, 0.15) 40%, transparent 70%);
    filter: blur(80px);
}

.final-title {
    font-size: 8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #2d1b4e;
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
    text-transform: uppercase;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1;
}

.final-title-cn {
    display: block;
    font-size: 6rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.final-title-en {
    display: block;
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.final-tagline {
    font-size: 1.75rem;
    color: #6b5b8a;
    font-weight: 400;
    position: relative;
    z-index: 2;
    letter-spacing: -0.005em;
}

/* 响应式 */
@media (max-width: 1024px) {
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .hero-title {
        font-size: 3.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .service-card,
    .feature-card {
        padding: 40px 30px;
    }

    .services-scene,
    .features-scene {
        padding: 0 40px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    /* 移动端隐藏圆形进度模块 */
    .progress-system {
        display: none !important;
    }

    .corner-logo {
        top: 20px;
        left: 20px;
        gap: 8px;
    }

    .corner-logo-img {
        width: 40px;
        height: 40px;
    }

    .corner-logo-cn {
        font-size: 16px;
    }

    .corner-logo-en {
        font-size: 8px;
    }

    .hero-scene {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.15;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        line-height: 1.5;
    }

    .stat-card {
        width: 200px;
        height: 160px;
        padding: 30px 20px;
    }

    .stat-number {
        font-size: 2.5rem;
        margin-bottom: 10px;
    }

    .stat-label {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .section-description {
        font-size: 1.1rem;
    }

    .section-badge {
        font-size: 0.85rem;
        padding: 6px 16px;
    }

    .services-scene,
    .features-scene {
        padding: 0 20px;
    }

    /* 服务网格 - 改为单列 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
        margin: 0 auto;
    }

    .service-card,
    .feature-card {
        padding: 30px 20px;
    }

    .service-title,
    .feature-title {
        font-size: 1.2rem;
    }

    .service-description,
    .feature-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .service-icon,
    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    /* 特性网格 - 改为 2 列 */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        max-width: 100%;
    }

    /* 统计卡片 - 缩小并调整位置 */
    .stats-scene {
        transform-style: flat;
    }

    .stat-card {
        width: 140px;
        height: 120px;
        padding: 20px 15px;
        border-radius: 16px;
    }

    .stat-number {
        font-size: 2rem;
        margin-bottom: 8px;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .final-title-cn {
        font-size: 3.5rem;
        letter-spacing: 0.1em;
        margin-bottom: 15px;
    }

    .final-title-en {
        font-size: 2.8rem;
        letter-spacing: 0.15em;
    }

    .final-tagline {
        font-size: 1.5rem;
    }

    .final-logo-wrapper::before {
        width: 400px;
        height: 400px;
    }

    /* 页脚 - Apple风格 平板 */
    .main-footer {
        padding: 100px 40px 50px;
        min-height: 100vh;
        justify-content: space-between;
    }

    .footer-hero {
        margin-bottom: 80px;
    }

    .footer-hero-title {
        font-size: 3.8rem;
        line-height: 1.08;
    }

    .footer-hero-subtitle {
        font-size: 1.3rem;
        line-height: 1.4;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 48px 32px;
        margin-bottom: 80px;
    }

    .contact-links,
    .footer-nav {
        gap: 14px;
    }

    .footer-bottom {
        padding-top: 30px;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    /* Hero 场景 */
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        padding: 0 10px;
    }

    /* 统计卡片 - 更小 */
    .stat-card {
        width: 120px;
        height: 100px;
        padding: 15px 10px;
        border-radius: 12px;
    }

    .stat-number {
        font-size: 1.5rem;
        margin-bottom: 5px;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* 特性网格 - 单列 */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .feature-card {
        padding: 20px 15px;
    }

    /* 最终 Logo */
    .final-title-cn {
        font-size: 2rem;
        letter-spacing: 0.05em;
    }

    .final-title-en {
        font-size: 1.5rem;
        letter-spacing: 0.1em;
    }

    .final-tagline {
        font-size: 1rem;
    }

    .final-logo-wrapper::before {
        width: 280px;
        height: 280px;
    }

    /* 服务和特性场景 */
    .services-scene,
    .features-scene {
        padding: 0 15px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-description {
        font-size: 0.95rem;
    }

    /* 左上角 Logo */
    .corner-logo {
        top: 15px;
        left: 15px;
        gap: 6px;
    }

    .corner-logo-img {
        width: 32px;
        height: 32px;
    }

    .corner-logo-cn {
        font-size: 14px;
    }

    .corner-logo-en {
        font-size: 7px;
    }

    /* 移动端隐藏圆形进度模块 */
    .progress-system {
        display: none !important;
    }

    /* 页脚 - Apple风格 手机 */
    .main-footer {
        padding: 80px 24px 40px;
        height: 100vh;
        min-height: 100vh;
        box-sizing: border-box;
    }

    .footer-hero {
        margin-bottom: auto;
        padding-bottom: 40px;
    }

    .footer-hero-title {
        font-size: 2.8rem;
        line-height: 1.1;
        margin-bottom: 20px;
    }

    .footer-hero-subtitle {
        font-size: 1.15rem;
        line-height: 1.4;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 20px;
        margin-bottom: auto;
        padding-bottom: 40px;
    }

    .section-label {
        font-size: 11px;
        margin-bottom: 20px;
    }

    .contact-links,
    .footer-nav {
        gap: 16px;
    }

    .contact-text,
    .footer-nav a {
        font-size: 14px;
        line-height: 1.5;
    }

    .footer-bottom {
        padding-top: 20px;
        margin-top: 0;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .copyright {
        font-size: 11px;
        line-height: 1.6;
    }

    .legal-links a {
        font-size: 11px;
    }

    .legal-links {
        justify-content: center;
        gap: 16px;
    }

    .social-icons {
        gap: 20px;
    }

    .social-icon {
        width: 40px;
        height: 40px;
    }
}

/* 导航栏移动端响应式 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 30px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(30px) saturate(180%);
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-menu.active {
        max-height: 400px;
        opacity: 1;
    }

    .nav-item {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(124, 58, 237, 0.08);
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-link {
        padding: 16px 30px;
        font-size: 16px;
    }

    .nav-link::after {
        display: none;
    }

    .nav-cta {
        margin: 10px 30px;
        text-align: center;
        display: block;
    }

    .nav-mobile-toggle {
        display: flex;
    }

    /* 页脚移动端响应式 */
    .main-footer {
        padding: 60px 30px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-logo {
        justify-content: center;
    }

    .footer-contact-info {
        align-items: center;
    }

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

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

    .social-icons {
        justify-content: center;
    }

    .qr-codes {
        justify-content: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .legal-links {
        flex-direction: column;
        gap: 10px;
    }

    .separator {
        display: none;
    }
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* 额外的页脚样式 */
.footer-brand-text {
    display: flex;
    flex-direction: column;
}

.footer-brand-cn {
    font-size: 20px;
    font-weight: 700;
    color: #2d1b4e;
    letter-spacing: 0.05em;
}

.footer-brand-en {
    font-size: 12px;
    font-weight: 600;
    color: #7c3aed;
    letter-spacing: 0.15em;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #6b5b8a;
    text-decoration: none;
    font-size: 14px;
}

.contact-item:hover {
    color: #7c3aed;
}

.contact-item a {
    color: inherit;
    text-decoration: none;
}

.footer-links-title {
    font-size: 16px;
    font-weight: 600;
    color: #2d1b4e;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li a {
    color: #6b5b8a;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.footer-links li a:hover {
    color: #7c3aed;
    padding-left: 4px;
}

.social-icons {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(124, 58, 237, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #7c3aed;
    text-decoration: none;
}

.social-icon:hover {
    background: #7c3aed;
    transform: translateY(-2px);
    color: white;
}

.qr-codes {
    display: flex;
    gap: 16px;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.qr-code span {
    font-size: 12px;
    color: #6b5b8a;
}

.qr-placeholder {
    width: 80px;
    height: 80px;
}

.footer-bottom {
    border-top: 1px solid rgba(124, 58, 237, 0.15);
    padding-top: 30px;
    margin-top: 60px;
}

.footer-bottom-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    font-size: 13px;
    color: #8e7bb3;
}

.legal-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.legal-links a {
    font-size: 13px;
    color: #8e7bb3;
    text-decoration: none;
    transition: color 0.2s ease;
}

.legal-links a:hover {
    color: #7c3aed;
}

.separator {
    color: rgba(124, 58, 237, 0.25);
}

/* 页脚装饰元素 */
.footer-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(
        circle,
        rgba(124, 58, 237, 0.1) 0%,
        rgba(168, 85, 247, 0.08) 30%,
        rgba(192, 132, 252, 0.05) 50%,
        transparent 70%
    );
    filter: blur(120px);
    pointer-events: none;
    animation: footerPulse 8s ease-in-out infinite;
}

@keyframes footerPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.7;
    }
}

/* 优化页脚响应式 */
@media (max-width: 1024px) {
    .footer-hero-title {
        font-size: 3.5rem;
    }
    
    .footer-hero-subtitle {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .main-footer {
        padding: 60px 25px 40px;
        min-height: auto;
    }

    .footer-hero {
        margin-bottom: 50px;
    }

    .footer-hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .footer-hero-subtitle {
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 35px;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-logo {
        justify-content: center;
        margin-bottom: 20px;
    }

    .footer-description {
        text-align: center;
        font-size: 14px;
        line-height: 1.7;
    }

    .footer-contact-info {
        align-items: center;
    }

    .contact-item {
        justify-content: center;
    }

    .footer-links-title {
        text-align: center;
    }

    .footer-links ul {
        align-items: center;
    }

    .footer-links a {
        display: inline-block;
        padding: 8px 0;
    }

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

    .social-icons {
        justify-content: center;
    }

    .footer-qr,
    .qr-codes {
        align-items: center;
        justify-content: center;
    }

    .footer-bottom {
        margin-top: 40px;
        padding-top: 25px;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .legal-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-decoration {
        width: 500px;
        height: 500px;
        opacity: 0.6;
    }
}

@media (max-width: 480px) {
    .main-footer {
        padding: 50px 20px 30px;
    }

    .footer-hero {
        margin-bottom: 40px;
    }

    .footer-hero-title {
        font-size: 1.6rem;
        line-height: 1.4;
    }

    .footer-hero-subtitle {
        font-size: 0.9rem;
    }

    .footer-content {
        gap: 30px;
    }

    .footer-logo-img {
        width: 45px;
        height: 45px;
    }

    .footer-brand-cn {
        font-size: 18px;
    }

    .footer-brand-en {
        font-size: 10px;
    }

    .footer-description {
        font-size: 13px;
    }

    .contact-item {
        font-size: 13px;
    }

    .contact-item svg {
        width: 16px;
        height: 16px;
    }

    .footer-links-title {
        font-size: 15px;
        margin-bottom: 15px;
    }

    .footer-links a {
        font-size: 13px;
        padding: 6px 0;
    }

    .social-icon {
        width: 36px;
        height: 36px;
    }

    .social-icon svg {
        width: 18px;
        height: 18px;
    }

    .qr-placeholder svg {
        width: 70px;
        height: 70px;
    }

    .qr-code span {
        font-size: 11px;
    }

    .footer-bottom {
        margin-top: 30px;
        padding-top: 20px;
    }

    .copyright,
    .legal-links a {
        font-size: 12px;
    }

    .footer-decoration {
        width: 350px;
        height: 350px;
        opacity: 0.4;
    }
}