.adv-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.adv-page h1 {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.adv-page h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0891b2, #06b6d4);
    border-radius: 2px;
}

.adv-page .content-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.adv-page .intro-text {
    font-size: 17px;
    color: #374151;
    margin-bottom: 20px;
    line-height: 1.7;
}

.adv-page .intro-text a {
    color: #0891b2;
    text-decoration: none;
    font-weight: 500;
}

.adv-page .intro-text a:hover {
    text-decoration: underline;
}

.adv-page .highlight-box {
    background: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    color: white;
    padding: 20px 25px;
    border-radius: 12px;
    margin: 25px 0;
    font-size: 16px;
    font-weight: 500;
}

.adv-page h2 {
    font-size: 26px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 35px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0f2fe;
}

.adv-page h2:first-of-type {
    margin-top: 0;
}

.adv-page ul {
    list-style: none;
    margin: 20px 0;
    padding: 0;
}

.adv-page ul li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    color: #374151;
    line-height: 1.7;
}

.adv-page ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #0891b2, #06b6d4);
    border-radius: 50%;
}

.adv-page .notice {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 16px 20px;
    border-radius: 0 10px 10px 0;
    margin: 20px 0;
    color: #92400e;
    font-size: 15px;
}

.adv-page .notice.info {
    background: #e0f2fe;
    border-left-color: #0891b2;
    color: #0c4a6e;
}

.adv-page .notice.success {
    background: #d1fae5;
    border-left-color: #10b981;
    color: #065f46;
}

.adv-page .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.adv-page .pricing-card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.adv-page .pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.adv-page .pricing-card.featured {
    border-color: #0891b2;
    position: relative;
}

.adv-page .pricing-card.featured::before {
    content: 'Popular';
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, #0891b2, #06b6d4);
    color: white;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.adv-page .pricing-card h3 {
    font-size: 18px;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.adv-page .pricing-card .price {
    font-size: 32px;
    font-weight: 700;
    color: #0891b2;
    margin-bottom: 15px;
}

.adv-page .pricing-card .price span {
    font-size: 16px;
    font-weight: 400;
    color: #6b7280;
}

.adv-page .pricing-card .price.free {
    color: #124b38;
}

.adv-page .pricing-card p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.6;
}

.adv-page .steps {
    counter-reset: step;
    margin: 25px 0;
}

.adv-page .step {
    position: relative;
    padding-left: 60px;
    padding-bottom: 25px;
    border-left: 2px solid #e0f2fe;
    margin-left: 20px;
}

.adv-page .step:last-child {
    border-left: none;
    padding-bottom: 0;
}

.adv-page .step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: -21px;
    top: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0891b2, #06b6d4);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 4px 6px -1px rgba(6, 182, 212, 0.2); 
    border: 2px solid white; 
    z-index: 1;
}

.adv-page .step h4 {
    font-size: 17px;
    color: #1a1a2e;
    margin-bottom: 6px;
}

.adv-page .step p {
    color: #6b7280;
    font-size: 15px;
}

.adv-page .contact-box {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    color: white;
    padding: 30px;
    border-radius: 16px;
    margin: 30px 0;
    text-align: center;
}

.adv-page .contact-box h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #fff;
}

.adv-page .contact-box p {
    margin-bottom: 10px;
    opacity: 0.8;
    color: #fff;
}

.adv-page .contact-box a {
    color: #06b6d4;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
}

.adv-page .contact-box a:hover {
    text-decoration: underline;
}

.adv-page .warning-box {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 12px;
    padding: 20px 25px;
    margin: 25px 0;
}

.adv-page .warning-box h4 {
    color: #b91c1c; 
    font-size: 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700; 
}

.adv-page .warning-box ul {
    margin: 10px 0 0;
}

.adv-page .warning-box ul li::before {
    background: #dc2626;
}

.adv-page .guarantee-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    padding: 20px 25px;
    border-radius: 12px;
    margin: 25px 0;
}

.adv-page .guarantee-badge svg {
    width: 50px;
    height: 50px;
    color: #10b981;
    flex-shrink: 0;
}

.adv-page .guarantee-badge div h4 {
    color: #065f46;
    font-size: 17px;
    margin-bottom: 4px;
}

.adv-page .guarantee-badge div p {
    color: #047857;
    font-size: 14px;
}

@media (max-width: 768px) {
    .adv-page {
        padding: 20px 15px;
    }

    .adv-page h1 {
        font-size: 32px;
    }

    .adv-page .content-card {
        padding: 25px 20px;
    }

    .adv-page h2 {
        font-size: 22px;
    }

    .adv-page .pricing-grid {
        grid-template-columns: 1fr;
    }

    .adv-page .step {
        padding-left: 50px;
    }

    .adv-page .step::before {
        width: 35px;
        height: 35px;
        left: -18px;
        font-size: 14px;
    }

    .adv-page .guarantee-badge {
        flex-direction: column;
        text-align: center;
    }
}