:root {
    --primary: #38bdf8;
    --primary-dark: #0ea5e9;
    --secondary: #14b8a6;
    --accent: #22d3ee;
    --bg-dark: #020617;
    --bg-section: #0b1121;
    --bg-card: rgba(15, 23, 42, 0.6);
    --border: rgba(148, 163, 184, 0.12);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
}

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

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

.logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    position: relative;
    padding: 8px 16px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(56, 189, 248, 0.08);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    transition: var(--transition);
}

.nav-link.active::after,
.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* Hero 区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: float 12s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: -150px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
    bottom: -100px;
    left: -150px;
    animation-delay: -4s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    top: 40%;
    right: 25%;
    animation-delay: -8s;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at center, black 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at center, black 0%, transparent 75%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 28px;
    width: fit-content;
}

.tag-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--secondary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #bae6fd 50%, #5eead4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    opacity: 0.95;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #022c22;
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(56, 189, 248, 0.35);
}

.btn-primary svg {
    transition: var(--transition);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(148, 163, 184, 0.25);
}

.btn-block {
    width: 100%;
}

/* Hero 视觉区 */
.hero-visual {
    position: relative;
    height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-card {
    position: relative;
    width: 380px;
    height: 380px;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(56, 189, 248, 0.15);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: morph 10s ease-in-out infinite;
}

@keyframes morph {
    0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
    25% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
    75% { border-radius: 60% 30% 40% 70% / 40% 70% 60% 30%; }
}

.blob-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.blob {
    width: 100%;
    height: 100%;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.9) 0%, rgba(20, 184, 166, 0.85) 100%);
    box-shadow: 
        0 0 80px rgba(56, 189, 248, 0.4),
        inset 0 0 60px rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.blob-text {
    font-size: 5rem;
    font-weight: 900;
    color: rgba(2, 6, 23, 0.85);
    letter-spacing: -0.05em;
    animation: counter-rotate 20s linear infinite;
}

@keyframes counter-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

.floating-card {
    position: absolute;
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(56, 189, 248, 0.18);
    border-radius: var(--radius);
    padding: 18px 22px;
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: cardFloat 6s ease-in-out infinite;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-content strong {
    font-size: 1rem;
    color: var(--text-primary);
}

.card-content span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-top {
    top: 30px;
    right: 0;
    animation-delay: 0s;
}

.card-bottom {
    bottom: 40px;
    right: 20px;
    animation-delay: -3s;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: fadeBounce 2s infinite;
}

.mouse {
    width: 22px;
    height: 34px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 6px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 18px; }
}

@keyframes fadeBounce {
    0%, 100% { opacity: 0.6; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
}

/* 通用区块 */
.section {
    position: relative;
    padding: 120px 0;
}

.section:nth-child(even) {
    background: var(--bg-section);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.15);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 关于我们 */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 30px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.about-card:hover {
    transform: translateY(-6px);
    border-color: rgba(56, 189, 248, 0.25);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.about-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(20, 184, 166, 0.1));
    border: 1px solid rgba(56, 189, 248, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
}

.about-icon svg {
    width: 28px;
    height: 28px;
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* 服务领域 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    overflow: hidden;
    transition: var(--transition);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(56, 189, 248, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

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

.service-number {
    position: absolute;
    top: 24px;
    right: 28px;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(56, 189, 248, 0.06);
    line-height: 1;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.service-card ul {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-card li {
    padding: 6px 14px;
    background: rgba(56, 189, 248, 0.06);
    border: 1px solid rgba(56, 189, 248, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary);
}

/* 核心优势 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.stat-item {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.stat-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
    opacity: 0.5;
}

.stat-number {
    display: inline;
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-unit {
    display: inline;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 36px 28px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature:hover {
    background: rgba(56, 189, 248, 0.04);
    border-color: rgba(56, 189, 248, 0.2);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(20, 184, 166, 0.1));
    border: 1px solid rgba(56, 189, 248, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature h4 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.feature p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* 联系我们 */
.contact {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #071026 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-header {
    text-align: left;
    margin: 0 0 40px 0;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-item strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.contact-item span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: rgba(56, 189, 248, 0.04);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚 */
.footer {
    background: #01040f;
    padding: 80px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 360px;
    line-height: 1.8;
}

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

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column a,
.footer-column span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p,
.footer-bottom a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

/* 返回顶部 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: #022c22;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

/* 滚动动画 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-desc {
        max-width: 600px;
    }
    
    .hero-visual {
        height: 420px;
    }
    
    .visual-card {
        width: 320px;
        height: 320px;
    }
    
    .blob-container {
        width: 250px;
        height: 250px;
    }
    
    .blob-text {
        font-size: 4rem;
    }
    
    .floating-card {
        display: none;
    }
    
    .about-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-info .section-header {
        text-align: center;
        margin: 0 auto 40px;
    }
    
    .contact-list {
        max-width: 400px;
        margin: 0 auto 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(2, 6, 23, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 20px;
        transition: var(--transition);
        border-left: 1px solid var(--border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 12px 24px;
    }
    
    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2.4rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .about-grid,
    .services-grid,
    .stats-grid,
    .features-grid,
    .footer-links,
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 30px 24px;
    }
    
    .stat-item {
        padding: 30px 20px;
    }
    
    .contact-form-wrapper {
        padding: 28px 24px;
    }
    
    .footer-links {
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
    }
    
    .hero-desc {
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 12px 22px;
        font-size: 0.95rem;
    }
    
    .visual-card {
        width: 260px;
        height: 260px;
    }
    
    .blob-container {
        width: 200px;
        height: 200px;
    }
    
    .blob-text {
        font-size: 3.2rem;
    }
    
    .stat-number {
        font-size: 2.4rem;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .service-card:hover,
    .about-card:hover,
    .feature:hover {
        transform: none;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}