/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

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

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background-color: #007bff;
    color: #fff;
    border: 2px solid #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: #007bff;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
    border: 2px solid #6c757d;
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.section-title p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 70px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 150px;
    /* height: 38px; */
    object-fit: contain;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: #007bff;
    letter-spacing: 0.5px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-weight: 500;
    color: #2c3e50;
}

.nav-list a:hover, .nav-list a.active {
    color: #007bff;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('../img/banner.png') center center;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    padding-top: 70px;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 40px;
}

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

/* Download Section */
.download-section {
    padding: 80px 0;
    background-color: #fff;
}

.download-container {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 50px;
}

.app-showcase {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    min-width: 300px;
}

.phone-mockup {
    border: 10px solid #333;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    width: 300px;
    height: 600px;
    background: #000;
}

.app-screen {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.download-info {
    flex: 1;
    min-width: 300px;
}

.app-version {
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 5px solid #007bff;
}

.app-version h3 {
    color: #007bff;
    margin-bottom: 10px;
}

.app-version .desc {
    margin-bottom: 20px;
    color: #666;
}

.qr-box {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

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

.qr-item img {
    width: 100px;
    height: 100px;
    border: 1px solid #ddd;
    margin-bottom: 5px;
}

.qr-item span {
    font-size: 0.8rem;
    color: #888;
}

.btn-download {
    background-color: #28a745;
    color: #fff;
    width: 100%;
    display: block;
    margin-top: 10px;
}

.btn-download:hover {
    background-color: #218838;
}

.divider {
    height: 1px;
    background-color: #ddd;
    margin: 30px 0;
}

/* Feature Section */
.feature-section {
    padding: 100px 0;
}

.bg-light {
    background-color: #f1f3f5;
}

.feature-section .row {
    display: flex;
    align-items: center;
    gap: 50px;
}

.feature-section .row.reverse {
    flex-direction: row-reverse;
}

.col-text, .col-img {
    flex: 1;
}

.col-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.col-text .lead {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 30px;
}

.feature-list li {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.feature-list i {
    color: #28a745;
    margin-right: 10px;
}

.col-img img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Services Grid */
.services-grid {
    padding: 80px 0;
    background-color: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 30px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    border: 1px solid #eee;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 3rem;
    color: #007bff;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    color: #666;
}

.domains-block {
    margin-top: 34px;
    padding: 26px 22px;
    border-radius: 14px;
    border: 1px solid #eef2f6;
    background: #fbfcfe;
}

.domains-title {
    text-align: center;
    font-size: 1.35rem;
    color: #2c3e50;
    margin-bottom: 18px;
}

.domains-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.domain-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 10px;
    border-radius: 12px;
    border: 1px solid #e9eef6;
    background: #fff;
    box-shadow: 0 4px 14px rgba(0,0,0,0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.domain-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.08);
}

.domain-item i {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(0, 123, 255, 0.12);
    color: #007bff;
    font-size: 1rem;
    flex: 0 0 auto;
}

.domain-item span {
    font-size: 0.95rem;
    color: #2c3e50;
    line-height: 1.2;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 1100px) {
    .domains-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1400px) {
    .domains-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

.domains-note {
    margin-top: 14px;
    text-align: center;
    color: #6c757d;
    font-size: 0.98rem;
}

.services-cta {
    margin-top: 35px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
    display: inline-block;
}

.footer-col p {
    margin-bottom: 10px;
    color: #bdc3c7;
}

.footer-col p i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.social-links i {
    margin-right: 0;
    width: auto;
}

.social-links {
    display: flex;
    gap: 10px;
    align-items: center;
}

.social-links a {
    margin-right: 0;
}

.wechat {
    position: relative;
    display: inline-flex;
}

.wechat-qrcode {
    position: absolute;
    left: 50%;
    bottom: 52px;
    transform: translateX(-50%);
    width: 168px;
    padding: 12px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 14px 40px rgba(0,0,0,0.18);
    display: none;
    z-index: 10;
    text-align: center;
}

.wechat-qrcode img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

.wechat-qrcode span {
    display: block;
    margin-top: 10px;
    color: #2c3e50;
    font-size: 0.95rem;
}

.wechat:hover .wechat-qrcode {
    display: block;
}

.social-links a {
    display: inline-flex;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-right: 0;
}

.social-links a:hover {
    background: #007bff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #95a5a6;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .feature-section .row {
        flex-direction: column;
    }
    
    .feature-section .row.reverse {
        flex-direction: column;
    }
    
    .app-showcase {
        justify-content: center;
    }

    .services-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .services-cta .btn {
        width: 100%;
    }

    .domains-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}