/* ============================================
   DAMOU TECHNOLOGY - 大谋科技官网样式
   ============================================ */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #a855f7;
    --cyan: #06b6d4;
    --dark: #0a0a12;
    --dark-light: #111119;
    --dark-lighter: #1a1a25;
    --card-bg: rgba(255, 255, 255, 0.03);
    --text: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --text-light: rgba(255, 255, 255, 0.4);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-ai: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
    --gradient-soft: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-edu: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Canvas Background */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    position: relative;
    z-index: 1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 18, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem 5%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 4px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-cn {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 5%;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 30% 30%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-bg-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    transform: scale(1.1);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    from { transform: scale(1.1); }
    to { transform: scale(1.2); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--cyan);
    padding: 0.5rem 1.5rem;
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 50px;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.2s;
}

.hero-title {
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.4s;
}

.title-line:nth-child(2) {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation-delay: 0.6s;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 2;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.8s;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    animation: fadeIn 1s ease forwards 1.5s;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-light);
}

/* Sections */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--primary);
    margin-bottom: 1rem;
    padding: 0.5rem 1.5rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 50%, var(--dark) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 3rem 2rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(40px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:nth-child(1)::before {
    background: var(--gradient-ai);
}

.service-card:nth-child(2)::before {
    background: var(--gradient-soft);
}

.service-card:nth-child(3)::before {
    background: var(--gradient-edu);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--primary);
    transition: var(--transition);
}

.service-card:nth-child(1) .service-icon svg {
    stroke: #06b6d4;
}

.service-card:nth-child(2) .service-icon svg {
    stroke: #8b5cf6;
}

.service-card:nth-child(3) .service-icon svg {
    stroke: #10b981;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tags span {
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    color: var(--text-light);
}

.service-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
}

/* Education Section */
.education-section {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 50%, var(--dark) 100%);
    padding: 6rem 0;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.education-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2.5rem 1.8rem;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.education-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.education-card:hover {
    transform: translateY(-8px);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.1);
}

.education-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.education-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.education-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.education-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.education-tags span {
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50px;
    color: #10b981;
}

/* Workflow Section */
.workflow-section {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 50%, var(--dark) 100%);
    padding: 6rem 0;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.workflow-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.workflow-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.workflow-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.1);
}

.workflow-icon {
    font-size: 2.5rem;
    margin-bottom: 1.2rem;
}

.workflow-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text);
}

.workflow-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.workflow-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
}

.workflow-tags span {
    font-size: 0.65rem;
    padding: 0.2rem 0.6rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    color: #818cf8;
}

/* E-commerce Section */
.ecommerce-section {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 50%, var(--dark) 100%);
    padding: 6rem 0;
}

.ecommerce-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.ecommerce-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2.5rem 1.8rem;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.ecommerce-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.ecommerce-card:hover {
    transform: translateY(-8px);
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 20px 50px rgba(239, 68, 68, 0.1);
}

.ecommerce-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.ecommerce-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.ecommerce-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.ecommerce-features {
    text-align: left;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
}

.ecommerce-features li {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.8;
    list-style: none;
    position: relative;
    padding-left: 1rem;
}

.ecommerce-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: bold;
}

.ecommerce-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.ecommerce-tags span {
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 50px;
    color: #ef4444;
}

/* Tech Section */
.tech-section {
    background: var(--dark);
    padding: 5rem 0;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 2.5rem;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.tech-icon {
    font-size: 2rem;
}

.tech-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* About Section */
.about {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-content .section-tag,
.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.about-text strong {
    color: var(--text);
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.about-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    min-height: 400px;
}

.about-image-main {
    width: 350px;
    height: 400px;
    border-radius: 20px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.about-image-secondary {
    position: absolute;
    width: 200px;
    height: 250px;
    border-radius: 16px;
    background-size: cover;
    background-position: center;
    bottom: -30px;
    right: 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    z-index: 1;
    border: 4px solid var(--dark);
}

.about-content,
.about-visual {
    opacity: 0;
    transition: var(--transition-slow);
}

.about-content.visible,
.about-visual.visible {
    opacity: 1;
}

.about-content {
    transform: translateX(-40px);
}

.about-content.visible {
    transform: translateX(0);
}

.about-visual {
    transform: translateX(40px);
}

.about-visual.visible {
    transform: translateX(0);
}

/* Gallery Section */
.gallery {
    background: var(--dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 250px);
    gap: 1rem;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.95);
    transition: var(--transition-slow);
}

.gallery-item.visible {
    opacity: 1;
    transform: scale(1);
}

.gallery-item.large {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay span {
    font-size: 0.9rem;
    color: var(--text);
}

/* Why Section */
.why-section {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-light) 100%);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.why-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    transition: var(--transition);
}

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

.why-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.why-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.why-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background: var(--dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.contact-info .section-tag,
.contact-info .section-title {
    text-align: left;
}

.contact-desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--primary);
}

.contact-item strong {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

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

.contact-form {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 3rem;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 0;
    font-size: 1rem;
    font-family: var(--font-sans);
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text);
    outline: none;
    transition: var(--transition);
}

.form-group select {
    cursor: pointer;
    appearance: none;
}

.form-group select option {
    background: var(--dark-light);
    color: var(--text);
}

.form-group textarea {
    resize: none;
    min-height: 100px;
}

.form-group label {
    position: absolute;
    left: 0;
    top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    pointer-events: none;
    transition: var(--transition);
}

.form-group.select-label {
    top: -0.75rem;
    font-size: 0.7rem;
    color: var(--text-light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-bottom-color: var(--primary);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -0.75rem;
    font-size: 0.7rem;
    color: var(--primary);
}

/* Map Section */
.map-section {
    position: relative;
    height: 400px;
    background: var(--dark-light);
}

.map-info {
    position: absolute;
    top: 2rem;
    left: 2rem;
    background: rgba(10, 10, 18, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 10;
}

.map-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.map-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.map-placeholder {
    width: 100%;
    height: 100%;
}

/* Footer */
.footer {
    padding: 5rem 0 2rem;
    background: var(--dark-light);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    letter-spacing: 4px;
}

.footer-logo .logo-cn {
    display: block;
    margin-top: 0.25rem;
}

.footer-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--text);
}

.footer-contact p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.8rem;
    color: var(--text-light);
}

.footer-bottom .icp {
    margin-left: 0.5rem;
}

.footer-bottom .icp a {
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition);
}

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

.icp-icon {
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* Form Success */
.form-success {
    text-align: center;
    padding: 3rem;
}

.form-success svg {
    width: 80px;
    height: 80px;
    stroke: #10b981;
    margin-bottom: 1.5rem;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.form-success p {
    color: var(--text-muted);
}

/* Map Image */
.map-image {
    width: 100%;
    height: 400px;
}

.map-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* WeChat QR Code */
.wechat-qr {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 3rem;
    height: 100%;
}

.qr-wrapper {
    display: flex;
    gap: 3rem;
    text-align: center;
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-item img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.qr-text h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.qr-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .education-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ecommerce-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .workflow-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item.large {
        grid-column: span 2;
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-visual {
        order: -1;
        min-height: 300px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--dark-light);
        flex-direction: column;
        padding: 6rem 2rem;
        gap: 2rem;
        transition: var(--transition);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .ecommerce-grid {
        grid-template-columns: 1fr;
    }
    
    .workflow-grid {
        grid-template-columns: 1fr;
    }
    
    .qr-wrapper {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .stat-item {
        flex: 1;
        min-width: 100px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .gallery-item.large {
        grid-column: span 1;
    }
    
    .gallery-item {
        min-height: 200px;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .map-info {
        left: 50%;
        transform: translateX(-50%);
    }
}