:root {
    --page-index-security-system-primary-color: #113B7A;
    --page-index-security-system-secondary-color: #1D5FD1;
    --page-index-security-system-text-main: #F3F8FF;
    --page-index-security-system-text-secondary: #AFC4E8;
    --page-index-security-system-card-bg: #10233F;
    --page-index-security-system-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --page-index-security-system-border-color: #244D84;
    --page-index-security-system-glow-color: #4FA8FF;
    --page-index-security-system-gold-color: #F2C14E;
    --page-index-security-system-divider-color: #1B3357;
    --page-index-security-system-deep-navy: #08162B;
}

.page-index-security-system {
    font-family: 'Arial', sans-serif;
    color: var(--page-index-security-system-text-main);
    background-color: var(--page-index-security-system-deep-navy);
    line-height: 1.6;
    font-size: 1rem;
}

.page-index-security-system__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px;
    text-align: center;
    overflow: hidden;
}

.page-index-security-system__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    filter: none;
}

.page-index-security-system__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.5);
    padding: 30px;
    border-radius: 10px;
}

.page-index-security-system__main-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: var(--page-index-security-system-text-main);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
}

.page-index-security-system__description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--page-index-security-system-text-secondary);
    margin-bottom: 30px;
    max-width: 80ch;
    margin-left: auto;
    margin-right: auto;
}

.page-index-security-system__section {
    padding: 60px 20px;
    background-color: var(--page-index-security-system-deep-navy);
    color: var(--page-index-security-system-text-main);
}

.page-index-security-system__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--page-index-security-system-gold-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.page-index-security-system__sub-title {
    font-size: clamp(1.4rem, 2.8vw, 2rem);
    color: var(--page-index-security-system-text-main);
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-index-security-system__container {
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-index-security-system__text-block {
    font-size: 1rem;
    color: var(--page-index-security-system-text-secondary);
    margin-bottom: 20px;
}

.page-index-security-system__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-index-security-system__grid--3-cols {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.page-index-security-system__card {
    background: var(--page-index-security-system-card-bg);
    border: 1px solid var(--page-index-security-system-border-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-index-security-system__card-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin-bottom: 20px;
    border-radius: 8px;
    min-width: 200px;
    min-height: 200px;
    object-fit: cover;
    filter: none;
}

.page-index-security-system__card-title {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--page-index-security-system-gold-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-index-security-system__card-text {
    font-size: 0.95rem;
    color: var(--page-index-security-system-text-secondary);
}

.page-index-security-system__btn-primary {
    display: inline-block;
    background: var(--page-index-security-system-button-gradient);
    color: var(--page-index-security-system-text-main);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.page-index-security-system__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.page-index-security-system__image-full-width {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 40px auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    min-width: 200px;
    min-height: 200px;
    object-fit: cover;
    filter: none;
}

.page-index-security-system__faq-list {
    margin-top: 30px;
}

.page-index-security-system__faq-item {
    background: var(--page-index-security-system-card-bg);
    border: 1px solid var(--page-index-security-system-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-index-security-system__faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--page-index-security-system-gold-color);
    font-size: 1.1rem;
    font-weight: 600;
    position: relative;
    -webkit-details-marker: none;
}

.page-index-security-system__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-index-security-system__faq-question {
    flex-grow: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-index-security-system__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--page-index-security-system-primary-color);
    transition: transform 0.3s ease;
}

.page-index-security-system__faq-item[open] .page-index-security-system__faq-toggle {
    transform: rotate(45deg);
}

.page-index-security-system__faq-answer {
    padding: 0 20px 20px 20px;
    color: var(--page-index-security-system-text-secondary);
    font-size: 0.95rem;
}

.page-index-security-system__conclusion {
    text-align: center;
    padding: 80px 20px;
    background: var(--page-index-security-system-primary-color);
}

.page-index-security-system__conclusion .page-index-security-system__section-title {
    color: var(--page-index-security-system-gold-color);
}

.page-index-security-system__conclusion .page-index-security-system__text-block {
    max-width: 800px;
    margin: 0 auto 30px auto;
}

@media (max-width: 768px) {
    .page-index-security-system {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-index-security-system__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important;
    }

    .page-index-security-system__hero-content {
        padding: 20px;
    }

    .page-index-security-system__main-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
        max-width: 100%;
    }

    .page-index-security-system__description {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        max-width: 100%;
    }

    .page-index-security-system__section {
        padding: 40px 15px;
    }

    .page-index-security-system__section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-bottom: 30px;
    }

    .page-index-security-system__sub-title {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
    }

    .page-index-security-system__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-index-security-system__card {
        padding: 20px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        margin: 0 auto;
    }

    .page-index-security-system__card-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        min-width: 200px !important;
        min-height: 200px !important;
    }

    .page-index-security-system__image-full-width {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        min-width: 200px !important;
        min-height: 200px !important;
        margin: 20px auto !important;
    }

    .page-index-security-system__btn-primary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-index-security-system__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-index-security-system__faq-item summary {
        font-size: 1rem;
        padding: 15px;
    }

    .page-index-security-system__faq-answer {
        padding: 0 15px 15px 15px;
    }

    .page-index-security-system__conclusion {
        padding: 50px 15px;
    }
}

.page-index-security-system img {
    filter: none;
}