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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: #F5F1EB;
    color: #2C2416;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    margin: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    background-color: #F5F1EB;
}

/* Header */
.header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 30px;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 100px 20px 150px;
}

.content-block {
    background-color: transparent;
    padding: 80px 100px;
    position: relative;
    max-width: 800px;
    width: 100%;
}

.decorative-line {
    position: absolute;
    width: 60px;
    height: 1px;
    background-color: #D4C4B0;
    opacity: 0.4;
}

.decorative-line.top-right {
    top: 30px;
    right: 30px;
    transform: rotate(45deg);
    transform-origin: center;
}

.decorative-line.bottom-left {
    bottom: 30px;
    left: 30px;
    transform: rotate(-45deg);
    transform-origin: center;
}

.main-title {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.4;
    color: #2C2416;
    margin-bottom: 30px;
    text-align: center;
    letter-spacing: 1px;
}

.subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: #2C2416;
    text-align: center;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* Button */
.admin-button {
    display: inline-block;
    padding: 10px 24px;
    background-color: #8B7355;
    color: #FFFFFF;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.admin-button:hover {
    background-color: #6B5A42;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 115, 85, 0.3);
}

/* Footer */
.footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    z-index: 10;
    text-align: center;
}

.footer-text {
    font-size: 14px;
    color: #2C2416;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-link {
    color: #2C2416;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 20px;
    }

    .logo-image {
        height: 32px;
    }

    .main-content {
        padding: 80px 20px 120px;
    }

    .content-block {
        padding: 60px 40px;
    }

    .main-title {
        font-size: 32px;
        margin-bottom: 20px;
    }

    .subtitle {
        font-size: 16px;
    }

    .admin-button {
        padding: 8px 20px;
        font-size: 13px;
    }

    .footer {
        padding: 20px;
    }

    .footer-text {
        font-size: 12px;
    }

    .decorative-line {
        width: 40px;
    }

    .decorative-line.top-right {
        top: 20px;
        right: 20px;
    }

    .decorative-line.bottom-left {
        bottom: 20px;
        left: 20px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 24px;
    }

    .subtitle {
        font-size: 14px;
    }

    .admin-button {
        padding: 6px 16px;
        font-size: 12px;
    }

    .content-block {
        padding: 40px 30px;
    }
}