/* General Styles */
body {
    font-family: 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #040a14;
    color: #a9b4c8;
    text-align: center;
    font-size: 16px;
    line-height: 1.7;
}

.container {
    width: 1200px;
    margin: 0 auto;
    max-width: 90%;
}

a {
    color: #a9b4c8;
    text-decoration: none;
}

/* Header */
header {
    padding: 30px 0;
    background-color: #0a192f;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

header .logo img {
    height: 50px;
    margin-right: 20px;
}

header .logo h1 {
    font-size: 28px;
    margin: 0;
    color: #d1d8e0;
    font-weight: 600;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: url('images/background.jpg') no-repeat center center/cover;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 25, 47, 0.8);
    backdrop-filter: blur(8px);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 25px;
    color: #fff;
    font-weight: 700;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
    color: #d1d8e0;
}

.hero .buttons .btn {
    background-color: rgba(45, 57, 80, 0.6);
    color: #d1d8e0;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 6px;
    margin: 0 12px;
    font-weight: bold;
    font-size: 16px;
    border: 1px solid #4a5c7a;
    transition: background-color 0.3s, border-color 0.3s;
}

.hero .buttons .btn:hover {
    background-color: rgba(60, 72, 95, 0.8);
    border-color: #6c7f9a;
}

.hero .buttons .btn-primary {
    background-color: #c8a661;
    color: #0a192f;
    border-color: #c8a661;
    font-size: 16px;
}

.hero .buttons .btn-primary:hover {
    background-color: #d4b57a;
    border-color: #d4b57a;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: #040a14;
}

.features h3 {
    font-size: 36px;
    margin-bottom: 60px;
    position: relative;
    color: #fff;
    font-weight: 700;
}

.features h3::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background-color: #c8a661;
}

.features .feature-list {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.features .feature-item {
    background-color: #0a192f;
    padding: 40px 30px;
    border-radius: 10px;
    flex: 1;
    max-width: 31%;
    transition: transform 0.3s ease;
}

.features .feature-item:hover {
    transform: translateY(-3px);
}

.features .feature-item .feature-icon {
    height: 50px;
    width: 50px;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #c8a661, #d4b57a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #0a192f;
    font-weight: bold;
}

.features .feature-item h4 {
    font-size: 22px;
    margin-bottom: 18px;
    color: #fff;
    font-weight: 600;
}

.features .feature-item p {
    font-size: 16px;
    line-height: 1.7;
    color: #a9b4c8;
}

/* Footer */
footer {
    background-color: #0a192f;
    padding: 60px 0 25px;
    font-size: 15px;
}

footer .footer-links {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    text-align: left;
    gap: 30px;
}

footer .link-section {
    flex: 1;
    padding: 0 20px;
}

footer .link-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #d1d8e0;
    font-weight: 600;
}

footer .link-section p {
    line-height: 1.8;
    font-size: 15px;
}

footer .link-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

footer .link-section ul li {
    margin-bottom: 12px;
}

footer .link-section a:hover {
    color: #c8a661;
}

.copyright {
    border-top: 1px solid #1e2a3a;
    padding-top: 20px;
    font-size: 14px;
    color: #6a7b9a;
}