* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

:root {
    --primary-color: #1e40af;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f3f4f6;
    --white: #ffffff;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-weight: 600;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.scroll-indicator .arrow {
    font-size: 2rem;
    margin-top: 0.5rem;
}

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-desc {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.about {
    background: linear-gradient(180deg, var(--white) 0%, var(--bg-light) 100%);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

.about-text {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-intro {
    grid-column: 1 / -1;
}

.about-intro p {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--text-dark);
    text-align: justify;
    margin-bottom: 1.5rem;
}

.about-intro p:first-of-type {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    border-left: 4px solid var(--accent-color);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.about-details {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-top: 3px solid var(--primary-color);
}

.about-details p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    text-align: justify;
}

.about-highlight {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    padding: 2rem;
    border-radius: 10px;
    color: var(--white);
    box-shadow: 0 5px 20px rgba(245, 158, 11, 0.3);
}

.about-highlight p {
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
    color: var(--white);
}

.about-highlight p:first-child {
    font-weight: 600;
    font-size: 1.15rem;
    margin-bottom: 1rem;
}

.intro {
    font-size: 1.15rem;
    line-height: 2;
    text-align: left;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-item {
    background: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(30, 64, 175, 0.15);
    border-color: var(--primary-color);
}

.feature-item:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
    transition: transform 0.4s ease;
}

.feature-item:hover .feature-icon {
    transform: rotate(360deg) scale(1.1);
}

.feature-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

.charging-info {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    border: 2px solid #10b981;
    margin-top: 2rem;
}

.charging-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.charging-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-radius: 15px;
    border: 2px solid #10b981;
    transition: all 0.3s ease;
}

.charging-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.2);
}

.charging-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.charging-item h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.charging-power {
    font-size: 1.8rem;
    font-weight: bold;
    color: #10b981;
    margin-bottom: 0.3rem;
}

.charging-desc {
    color: var(--text-light);
    font-size: 0.95rem;
}

.charging-welcome {
    text-align: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 600;
    padding-top: 1rem;
    border-top: 2px dashed #e5e7eb;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-box {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 10px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.environment {
    background: var(--bg-light);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.gallery-placeholder p {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.gallery-placeholder span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.video-section {
    background: var(--white);
}

.video-container {
    max-width: 400px;
    margin: 0 auto;
}

.promo-video {
    width: 100%;
    height: auto;
    aspect-ratio: 9/16;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: #000;
    object-fit: cover;
}

.video-placeholder {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    color: var(--white);
}

.video-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.video-placeholder h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.video-placeholder p {
    margin-bottom: 0.5rem;
}

.video-placeholder code {
    background: rgba(255, 255, 255, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

.video-tips {
    background: rgba(255, 255, 255, 0.2);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 2rem;
    text-align: left;
}

.video-tips h4 {
    margin-bottom: 0.5rem;
}

.video-tips ul {
    list-style: none;
    padding-left: 0;
}

.video-tips li {
    padding: 0.3rem 0;
}

.video-tips li:before {
    content: "✓ ";
    color: var(--accent-color);
    font-weight: bold;
}

.promo-video {
    width: 100%;
    height: auto;
    aspect-ratio: 9/16;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: #000;
    object-fit: cover;
}

.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.wechat-reservation {
    text-align: center;
}

.wechat-reservation h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.reservation-desc {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.wechat-qrcode {
    margin: 2rem auto;
    max-width: 250px;
}

.qrcode-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 3px solid var(--primary-color);
}

.qrcode-placeholder {
    background: linear-gradient(135deg, #07c160 0%, #06a852 100%);
    border-radius: 10px;
    padding: 3rem 2rem;
    color: var(--white);
    border: 3px dashed rgba(255, 255, 255, 0.5);
}

.qrcode-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.qrcode-placeholder p {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.qrcode-placeholder span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.wechat-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.wechat-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    font-size: 1.2rem;
}

.wechat-id-box {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 5px;
    margin-top: 1.5rem;
}

.wechat-id-box strong {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.copy-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 5px;
    z-index: 9999;
    animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    80% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
}

footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    padding: 0.3rem 0;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom .icp-link {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
    display: inline-block;
    margin-top: 0.5rem;
}

.footer-bottom .icp-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        text-align: center;
        padding: 0.5rem 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        padding: 0 10px;
    }

    .hero-content p {
        font-size: 1rem;
        padding: 0 10px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.8rem;
        padding: 0 10px;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
        padding: 0 10px;
    }

    .section-desc {
        font-size: 1rem;
        padding: 0 10px;
    }

    section {
        padding: 3rem 0;
    }

    .about-text {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-intro p:first-of-type {
        font-size: 1.1rem;
        padding-left: 1rem;
    }

    .about-details,
    .about-highlight {
        padding: 1.5rem;
    }

    .about-details p,
    .about-highlight p {
        font-size: 1rem;
        line-height: 1.7;
    }

    .charging-info {
        padding: 2rem 1.5rem;
    }

    .charging-details {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .charging-item {
        padding: 1.5rem;
    }

    .charging-icon {
        font-size: 2.5rem;
    }

    .charging-item h4 {
        font-size: 1.2rem;
    }

    .charging-power {
        font-size: 1.5rem;
    }

    .charging-welcome {
        font-size: 1.1rem;
    }

    .features {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .feature-item {
        padding: 1.5rem 1rem;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .feature-item h3 {
        font-size: 1.1rem;
    }

    .feature-item p {
        font-size: 0.9rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-box {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .gallery {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .gallery-placeholder {
        height: 200px;
        padding: 1.5rem;
    }

    .placeholder-icon {
        font-size: 3rem;
    }

    .gallery-placeholder p {
        font-size: 1.2rem;
    }

    .gallery-placeholder span {
        font-size: 0.85rem;
    }

    .video-container {
        max-width: 100%;
        padding: 0 10px;
    }

    .promo-video {
        aspect-ratio: 9/16;
        max-height: 70vh;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info {
        padding: 0 10px;
    }

    .contact-item {
        flex-direction: row;
        gap: 0.8rem;
    }

    .contact-icon {
        font-size: 1.5rem;
    }

    .contact-item h3 {
        font-size: 1.1rem;
    }

    .contact-item p {
        font-size: 0.95rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

    .wechat-reservation h3 {
        font-size: 1.5rem;
    }

    .reservation-desc {
        font-size: 0.9rem;
    }

    .qrcode-placeholder {
        padding: 2rem 1.5rem;
    }

    .qrcode-icon {
        font-size: 3rem;
    }

    .qrcode-placeholder p {
        font-size: 1.1rem;
    }

    .wechat-actions {
        flex-direction: column;
        gap: 0.8rem;
    }

    .wechat-actions .btn {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-section ul {
        padding: 0;
    }

    .footer-section li {
        padding: 0.5rem 0;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .gallery {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .about-intro p:first-of-type {
        font-size: 1rem;
        padding-left: 0.8rem;
        border-left-width: 3px;
    }

    .about-details,
    .about-highlight {
        padding: 1.2rem;
    }

    .about-details p,
    .about-highlight p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .navbar {
        padding: 0.8rem 5%;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }
}
