.site-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-bottom: none;
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .header-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 30px;
        height: 80px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .site-logo {
        display: flex;
        align-items: center;
        text-decoration: none;
        color: #ffffff;
        font-size: 24px;
        font-weight: 700;
        letter-spacing: -0.5px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    .site-logo:hover {
        color: #ffffff;
        transform: scale(1.05);
        transition: transform 0.3s ease;
    }

    .site-logo i {
        margin-right: 12px;
        color: #ffffff;
        font-size: 28px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    .header-nav {
        display: flex;
        align-items: center;
        gap: 45px;
    }

    .nav-item {
        color: rgba(255, 255, 255, 0.9);
        text-decoration: none;
        font-size: 16px;
        font-weight: 500;
        padding: 15px 0;
        transition: all 0.3s ease;
        position: relative;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    }

    .nav-item:hover {
        color: #ffffff;
        transform: translateY(-2px);
    }

    .nav-item.active {
        color: #ffffff;
        font-weight: 600;
    }

    .nav-item.active::after {
        content: '';
        position: absolute;
        bottom: 10px;
        left: 0;
        width: 100%;
        height: 3px;
        background: #ffffff;
        border-radius: 1.5px;
    }

    .mobile-menu-btn {
        display: none;
        background: rgba(255, 255, 255, 0.2);
        border: none;
        font-size: 24px;
        color: #ffffff;
        cursor: pointer;
        padding: 10px;
        border-radius: 8px;
        backdrop-filter: blur(5px);
        transition: all 0.3s ease;
    }

    .mobile-menu-btn:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: scale(1.1);
    }

    .mobile-nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-bottom: none;
        z-index: 999;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .mobile-nav.show {
        display: block;
    }

    .mobile-nav-list {
        padding: 20px 0;
    }

    .mobile-nav-item {
        display: flex;
        align-items: center;
        padding: 20px 30px;
        color: rgba(255, 255, 255, 0.9);
        text-decoration: none;
        font-size: 16px;
        transition: all 0.3s ease;
        border-left: 4px solid transparent;
    }

    .mobile-nav-item:hover,
    .mobile-nav-item.active {
        background: rgba(255, 255, 255, 0.1);
        color: #ffffff;
        border-left-color: #ffffff;
        padding-left: 40px;
    }

    .mobile-nav-item i {
        margin-right: 15px;
        font-size: 20px;
        color: rgba(255, 255, 255, 0.9);
    }

    .mobile-nav-item:hover i,
    .mobile-nav-item.active i {
        color: #ffffff;
    }

    @media (max-width: 768px) {
        .header-container {
            padding: 0 25px;
            height: 70px;
        }

        .header-nav {
            display: none;
        }

        .mobile-menu-btn {
            display: block;
        }

        .site-logo {
            font-size: 22px;
        }

        .site-logo i {
            font-size: 26px;
            margin-right: 10px;
        }

        .mobile-nav {
            top: 70px;
        }

        .mobile-nav-item {
            padding: 18px 25px;
        }

        .mobile-nav-item:hover,
        .mobile-nav-item.active {
            padding-left: 35px;
        }
    }
    
    
     html,
    body {
        height: 100%;
        margin: 0;
        padding: 0;
    }

    body {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    .main-content {
        flex: 1;
    }

    .friend-links-section {
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        border-top: none;
        padding: 30px 0;
    }

    .friend-links-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 30px;
    }

    .friend-links-title {
        font-size: 18px;
        font-weight: 700;
        color: #667eea;
        margin-bottom: 25px;
        text-align: center;
        position: relative;
    }

    .friend-links-title::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 4px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 2px;
    }

    .friend-links-list {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 25px;
        flex-wrap: wrap;
    }

    .friend-links-list a {
        display: inline-block;
        color: #666;
        text-decoration: none;
        font-size: 14px;
        font-weight: 600;
        padding: 10px 20px;
        background: #fff;
        border: 2px solid #e0e0e0;
        border-radius: 25px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .friend-links-list a::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.2), transparent);
        transition: left 0.5s ease;
    }

    .friend-links-list a:hover {
        color: #667eea;
        border-color: #667eea;
        transform: translateY(-3px);
        box-shadow: 0 6px 15px rgba(102, 126, 234, 0.2);
    }

    .friend-links-list a:hover::before {
        left: 100%;
    }

    .footer-divider {
        border: none;
        height: 2px;
        background: linear-gradient(to right, transparent, #667eea, transparent);
        margin: 0;
        width: 100%;
    }

    .site-footer {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        margin-top: auto;
        color: #ffffff;
    }

    .footer-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 30px 30px;
    }

    .footer-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 50px;
        padding-top: 25px;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .footer-logo {
        display: flex;
        align-items: center;
        color: #ffffff;
        font-size: 18px;
        font-weight: 700;
        text-decoration: none;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    }

    .footer-logo i {
        margin-right: 8px;
        color: #ffffff;
        font-size: 20px;
    }

    .footer-desc {
        color: rgba(255, 255, 255, 0.9);
        font-size: 14px;
        margin-left: 20px;
    }

    .footer-info {
        display: flex;
        align-items: center;
        gap: 20px;
        color: rgba(255, 255, 255, 0.9);
        font-size: 13px;
        flex-shrink: 0;
    }

    .footer-info a {
        color: rgba(255, 255, 255, 0.9);
        text-decoration: none;
        transition: color 0.3s ease;
        font-weight: 500;
    }

    .footer-info a:hover {
        color: #ffffff;
        text-decoration: underline;
    }

    @media (max-width: 768px) {
        .friend-links-section {
            padding: 25px 0;
        }

        .friend-links-container {
            padding: 0 25px;
        }

        .friend-links-title {
            font-size: 16px;
            margin-bottom: 20px;
        }

        .friend-links-list {
            gap: 15px;
        }

        .friend-links-list a {
            font-size: 13px;
            padding: 8px 16px;
        }

        .footer-container {
            padding: 25px 25px;
        }

        .footer-content {
            flex-direction: column;
            gap: 20px;
            text-align: center;
            padding-top: 20px;
        }

        .footer-brand {
            flex-direction: column;
            gap: 10px;
        }

        .footer-desc {
            margin-left: 0;
        }

        .footer-info {
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }
    }