:root {
    --primary-color: #D4A017;
    --primary-dark: #8B6914;
    --primary-light: #F5C800;
    --gold-gradient: linear-gradient(135deg, #D4A017 0%, #8B6914 100%);
    --gold-gradient-light: linear-gradient(135deg, #F5C800 0%, #D4A017 100%);
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #fff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar {
    background: rgba(212, 160, 23, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(212, 160, 23, 1);
    padding: 0.8rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
}

.logo i {
    font-size: 1.8rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #FFE4B5;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.3s ease;
}

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

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

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gold-gradient);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M54.627 0l.83.829-2.84 2.84-.829-.83zM5.373 0l-.83.829L7.38 3.67l.83-.83zM48.97 6.05l3.662 3.662-1.414 1.414-3.66-3.662zM11.03 6.05l-3.662 3.662L8.01 11.13l3.66-3.662zM43.31 11.71l3.662 3.66 1.415 1.414-3.662 3.662-1.414-1.414zM16.69 11.71l-3.662 3.66-1.414 1.414 3.662 3.662 1.415-1.414zM37.657 17.36l3.662 3.662 1.414 1.414-3.662 3.662-1.414-1.414L37.657 17.36zm-23.314 0L17.79 21.02l1.414 1.414-3.662 3.662-1.414-1.414L14.343 17.36zM32 23.01l3.662 3.66 1.414 1.415-3.662 3.662-1.414-1.414L32 23.01zm-17.343 0L18.32 26.67l1.414 1.415-3.662 3.662-1.414-1.414L14.657 23.01zM26.343 28.66l3.662 3.662 1.414 1.414-3.662 3.662-1.414-1.414L26.343 28.66zm-12 0L17.79 32.32l1.414 1.414-3.662 3.662-1.414-1.414L14.343 28.66zM20.686 34.31l3.662 3.662 1.414 1.414-3.662 3.662-1.414-1.414L20.686 34.31zm-8 0L16.157 37.97l1.414 1.414-3.662 3.662-1.414-1.414L12.686 34.31zM15.03 40l3.662 3.66 1.414 1.415-3.662 3.662-1.414-1.414L15.03 40zm-2.343 5.66l3.662 3.662 1.414 1.414-3.662 3.662-1.414-1.414L12.686 45.66zM8.373 51.31l3.662 3.66 1.415 1.414-3.662 3.662-1.414-1.414L8.373 51.31zM2.717 56.96l3.662 3.662L7.8 62.04l-3.662-3.662-1.414 1.414z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

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

.hero-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-dark);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-dark);
}

.btn-large {
    padding: 18px 45px;
    font-size: 1.15rem;
}

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

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.hero-scroll a {
    color: var(--white);
    font-size: 1.5rem;
    opacity: 0.7;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--primary-dark);
    position: relative;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--gold-gradient);
    margin: 20px auto;
    border-radius: 2px;
}

.divider.white {
    background: var(--white);
}

.about {
    padding: 80px 0;
    background: var(--bg-light);
}

.about-content {
    max-width: 900px;
    margin: 0 auto 50px;
}

.about-text {
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-light);
}

.about-text p {
    margin-bottom: 1.5rem;
}

.features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    max-width: 280px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gold-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.services {
    padding: 80px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    background: rgba(212, 160, 23, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-dark);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: var(--gold-gradient);
    color: var(--white);
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-link:hover {
    gap: 10px;
    color: var(--primary-color);
}

.download {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gold-gradient);
    z-index: -1;
}

.download-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L31.5 3H57L54 4.5L31.5 30L54 55.5L57 57H31.5L30 60L28.5 57H3L6 55.5L28.5 30L6 4.5L3 3H28.5L30 0z' fill='%23ffffff' fill-opacity='0.05'/%3E%3C/svg%3E");
}

.download-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 80px;
    flex-wrap: wrap;
    color: var(--white);
}

.qrcode-section {
    text-align: center;
}

.qrcode-card {
    position: relative;
    margin-bottom: 20px;
}

.qrcode-card img {
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

.qrcode-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    z-index: -1;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.qrcode-section p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.download-info {
    text-align: center;
}

.download-platforms {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.platform {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.platform i {
    font-size: 1.5rem;
}

.download-info p {
    font-size: 1.15rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

.download-btn {
    margin-bottom: 20px;
}

.version-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 0.9rem;
    opacity: 0.7;
}

.contact {
    padding: 80px 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon-box {
    width: 55px;
    height: 55px;
    background: var(--gold-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.3rem;
    color: var(--white);
}

.contact-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--text-light);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

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

.contact-form input,
.contact-form textarea {
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.footer {
    background: #2c2c2c;
    padding: 60px 0 30px;
    color: var(--white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 600;
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--white);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--gold-gradient);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary-color);
        padding: 1rem 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.8rem 2rem;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 200px;
        justify-content: center;
    }

    .features {
        flex-direction: column;
        align-items: center;
    }

    .feature-card {
        max-width: 100%;
    }

    .download-content {
        gap: 30px;
    }

    .qrcode-card img {
        width: 200px;
        height: 200px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

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