:root {
    --brand-logo: #1e6cd9;
    --brand-primary: #4d74aa;
    --brand-hover: #3d5f8f;
    --brand-active: #32517b;
    --brand-link: #345c93;
    --brand-soft: #edf1f6;
    --brand-soft-strong: #d2dcea;
    --brand-border: #a6bad4;
    --brand-rgb: 77, 116, 170;
    --motion-ui: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            line-height: 1.5;
            color: #333;
            background: #fff;
        }

        img {
            max-width: 100%;
        }

        .ph-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .skip-link {
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 2000;
            padding: 10px 14px;
            border-radius: 6px;
            background: var(--brand-active);
            color: #fff;
            text-decoration: none;
            transform: translateY(-160%);
        }

        .skip-link:focus {
            transform: translateY(0);
        }

        :where(a, button, input, [tabindex]):focus-visible {
            outline: 3px solid var(--brand-primary);
            outline-offset: 3px;
        }

        .gz-header {
            position: sticky;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        .gz-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .gz-header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .gz-logo a {
            display: block;
        }

        .gz-logo img {
            display: block;
            width: 140px;
            height: 50px;
        }

        .gz-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .gz-nav-menu {
            display: flex;
            list-style: none;
        }

        .gz-nav-menu li {
            margin: 0 15px;
        }

        .gz-nav-menu a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            font-size: 16px;
            padding: 10px 0;
            position: relative;
            transition: color 0.3s;
            display: block;
        }

        .gz-nav-menu a:hover {
            color: var(--brand-primary);
        }

        .gz-nav-menu .active a {
            color: var(--brand-primary);
        }

        .gz-nav-menu .active a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--brand-primary);
        }

        .gz-user {
            display: flex;
            align-items: center;
        }

        .gz-auth {
            display: flex;
            margin-right: 15px;
        }

        .gz-auth a {
            display: inline-block;
            padding: 8px 15px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            border-radius: 4px;
            transition: var(--motion-ui);
        }

        .gz-login {
            color: #333;
            margin-right: 10px;
        }

        .gz-login:hover {
            color: var(--brand-link);
            background-color: var(--brand-soft);
        }

        .gz-register {
            color: #fff;
            background-color: var(--brand-primary);
        }

        .gz-register:hover {
            background-color: var(--brand-hover);
        }

        .gz-hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .gz-hamburger-line {
            width: 100%;
            height: 2px;
            background-color: #333;
            margin: 3px 0;
            transition: var(--motion-ui);
        }

        @media (max-width: 992px) {
            .gz-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #fff;
                padding: 15px 20px;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                max-height: calc(100vh - 70px);
                overflow-y: auto;
            }

            .gz-nav.active {
                transform: translateX(0);
            }

            .gz-nav-menu {
                flex-direction: column;
                width: 100%;
            }

            .gz-nav-menu li {
                margin: 0;
                text-align: center;
                cursor: pointer;
            }

            .gz-nav-menu a {
                padding: 12px 15px;
                display: block;
                width: 100%;
            }

            .gz-nav-menu li:hover {
                background-color: #f5f5f5;
            }

            .gz-hamburger {
                display: flex;
            }
        }

        @media (max-width: 576px) {
            .gz-header-inner {
                height: 60px;
            }

            .gz-logo img {
                width: 112px;
                height: 40px;
            }

            .gz-auth {
                margin-right: 10px;
            }

            .gz-auth a {
                padding: 6px 12px;
                font-size: 13px;
            }

            .gz-nav {
                top: 60px;
            }
        }

        .gz-hero {
            background-color: #f8f9fa;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .gz-hero-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .gz-hero-content {
            flex: 0 0 50%;
            padding-right: 40px;
        }

        .gz-hero-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .gz-hero-subtitle {
            font-size: 1.1rem;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .gz-hero-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }

        .gz-feature-item {
            display: flex;
            align-items: flex-start;
            padding: 12px;
            border-radius: 8px;
            transition: var(--motion-ui);
        }

        .gz-feature-item:hover {
            background-color: rgba(var(--brand-rgb), 0.05);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .gz-feature-item img {
            align-self: center;
            object-fit: contain;
            margin-right: 12px;
        }

        .gz-feature-item p {
            font-size: 0.95rem;
            color: #555;
            line-height: 1.5;
        }

        .gz-hero-cta {
            display: flex;
            gap: 15px;
        }

        .gz-cta-button {
            display: inline-block;
            padding: 12px 25px;
            border-radius: 4px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--motion-ui);
        }

        .gz-cta-primary {
            background-color: var(--brand-primary);
            color: white;
        }

        .gz-cta-primary:hover {
            background-color: var(--brand-hover);
            transform: translateY(-2px);
        }

        .gz-cta-secondary {
            border: 1px solid var(--brand-primary);
            color: var(--brand-primary);
            background-color: transparent;
        }

        .gz-cta-secondary:hover {
            background-color: var(--brand-soft);
            color: var(--brand-link);
            transform: translateY(-2px);
        }

        .gz-hero-image {
            flex: 0 0 auto;
            width: 650px;
            height: 395px;
            transition: var(--motion-ui);
        }

        .gz-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }

        .gz-hero-image:hover {
            transform: scale(1.02);
        }

        @media (max-width: 1200px) {
            .gz-hero-content {
                flex: 0 0 45%;
                padding-right: 30px;
            }

            .gz-hero-image {
                width: 550px;
                height: 334px;
            }
        }

        @media (max-width: 992px) {
            .gz-hero-container {
                flex-direction: column;
            }

            .gz-hero-content {
                flex: 1;
                width: 100%;
                padding-right: 0;
                margin-bottom: 40px;
                text-align: center;
            }

            .gz-feature-item {
                flex-direction: column;
                align-items: center;
                text-align: center;
                max-width: 200px;
            }

            .gz-feature-item img {
                margin-right: 0;
                margin-bottom: 10px;
            }

            .gz-hero-cta {
                justify-content: center;
            }

            .gz-hero-image {
                width: 100%;
                height: auto;
                max-width: 650px;
                max-height: 395px;
            }
        }

        @media (max-width: 576px) {
            .gz-hero {
                padding: 40px 0;
            }

            .gz-hero-title {
                font-size: 1.8rem;
            }

            .gz-hero-subtitle {
                font-size: 1rem;
            }

            .gz-hero-cta {
                flex-direction: column;
                align-items: center;
            }

            .gz-cta-button {
                width: 100%;
                text-align: center;
            }
        }

        .ph-ip-intro {
            background-color: #fff;
            padding: 80px 0;
            position: relative;
        }

        .ph-overview {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .ph-overview-content {
            flex: 1;
        }

    .ph-overview-image {
        flex: 1;
        min-width: 500px;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: visible;
        position: relative;
    }

    .ph-product-img {
        width: auto;
        height: auto;
        max-width: 100%;
        max-height: 560px;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(var(--brand-rgb), 0.15);
        transition: box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        object-fit: contain;
    }

    .ph-product-img:hover {
        transform: scale(1.03);
        box-shadow: 0 15px 40px rgba(var(--brand-rgb), 0.25);
    }

        .ph-ip-intro .ph-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .ph-ip-intro .ph-section-subtitle {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .ph-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }

        .ph-highlight-item {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            background-color: rgba(var(--brand-rgb), 0.08);
            border-radius: 8px;
            transition: var(--motion-ui);
        }

        .ph-highlight-item:hover {
            background-color: rgba(var(--brand-rgb), 0.15);
            transform: translateY(-3px);
        }

        .ph-icon {
            color: var(--brand-primary);
            font-size: 1.2rem;
            margin-right: 10px;
            width: 24px;
            text-align: center;
        }

        .ph-highlight-item span {
            font-size: 1rem;
            font-weight: 500;
            color: #333;
        }

        .ph-desc {
            font-size: 1rem;
            color: #555;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        @media (max-width: 1024px) {
            .ph-overview {
                flex-direction: column;
                gap: 40px;
            }

            .ph-overview-image {
                min-width: 100%;
                height: 350px;
            }

            .ph-ip-intro .ph-section-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .ph-ip-intro {
                padding: 60px 0;
            }

            .ph-highlights {
                flex-direction: column;
            }

            .ph-ip-intro .ph-section-title {
                font-size: 1.8rem;
            }

            .ph-ip-intro .ph-section-subtitle {
                font-size: 1.1rem;
            }

            .ph-overview-image {
                height: 280px;
            }
        }

        @media (max-width: 480px) {
            .ph-ip-intro {
                padding: 40px 0;
            }

            .ph-ip-intro .ph-section-title {
                font-size: 1.6rem;
            }

            .ph-ip-intro .ph-section-subtitle {
                font-size: 1rem;
            }

            .ph-overview-image {
                height: 220px;
            }
        }

        .ph-features {
            background-color: #fff;
            padding: 80px 0;
            position: relative;
        }

        .ph-features .ph-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #333;
            text-align: center;
            margin-bottom: 15px;
            line-height: 1.2;
        }

        .ph-features .ph-section-subtitle {
            font-size: 1.2rem;
            color: #666;
            text-align: center;
            margin-bottom: 50px;
            line-height: 1.6;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .ph-feature-grid {
            display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
        }

        .ph-feature-card {
            background: #fff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: var(--motion-ui);
            border: 1px solid rgba(var(--brand-rgb), 0.1);
        }

        .ph-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(var(--brand-rgb), 0.15);
            border-color: rgba(var(--brand-rgb), 0.3);
        }

        .ph-feature-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .ph-feature-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(var(--brand-rgb), 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--brand-primary);
            font-size: 1.2rem;
            transition: var(--motion-ui);
        }

        .ph-feature-card:hover .ph-feature-icon {
            background-color: rgba(var(--brand-rgb), 0.2);
            transform: scale(1.1);
        }

        .ph-feature-header h3 {
            font-size: 1.3rem;
            color: #333;
            margin: 0;
        }

        .ph-feature-card p {
            color: #555;
            line-height: 1.7;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .ph-feature-list {
            list-style: none;
        }

        .ph-feature-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 10px;
            color: #555;
            font-size: 0.95rem;
        }

        .ph-feature-list li:before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 12px;
            height: 12px;
            background-color: var(--brand-primary);
            border-radius: 50%;
            opacity: 0.5;
        }

        @media (max-width: 992px) {
            .ph-features {
                padding: 60px 0;
            }

            .ph-features .ph-section-title {
                font-size: 2.2rem;
            }

            .ph-features .ph-section-subtitle {
                font-size: 1.1rem;
            }

            .ph-feature-grid {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .ph-features {
                padding: 50px 0;
            }

            .ph-features .ph-section-title {
                font-size: 1.8rem;
            }

            .ph-features .ph-section-subtitle {
                font-size: 1rem;
                margin-bottom: 30px;
            }

            .ph-feature-card {
                padding: 25px;
            }

            .ph-feature-icon {
                width: 45px;
                height: 45px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 576px) {
            .ph-features {
                padding: 40px 0;
            }

            .ph-features .ph-section-title {
                font-size: 1.6rem;
            }

            .ph-feature-grid {
                grid-template-columns: 1fr;
            }

            .ph-feature-header h3 {
                font-size: 1.2rem;
            }
        }

        .ph-specs {
            background-color: #f8fafd;
            padding: 80px 0;
            position: relative;
        }

        .ph-specs .ph-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #333;
            text-align: center;
            margin-bottom: 50px;
            line-height: 1.2;
            position: relative;
        }

        .ph-specs .ph-section-title:after {
            content: "";
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--brand-primary);
            margin: 20px auto 0;
            border-radius: 2px;
        }

        .ph-specs-grid {
           display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
        }

        .ph-spec-card {
            background: #fff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            transition: var(--motion-ui);
            border-top: 3px solid var(--brand-primary);
        }

        .ph-spec-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(var(--brand-rgb), 0.1);
        }

        .ph-spec-card h3 {
            font-size: 1.3rem;
            color: #333;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }

        .ph-spec-card h3 i {
            color: var(--brand-primary);
            margin-right: 12px;
            font-size: 1.2rem;
            width: 30px;
            height: 30px;
            background: rgba(var(--brand-rgb), 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .ph-spec-card ul {
            list-style: none;
        }

        .ph-spec-card li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            color: #555;
            line-height: 1.6;
        }

        .ph-spec-card li:before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background-color: var(--brand-primary);
            border-radius: 50%;
            opacity: 0.7;
        }

        @media (max-width: 1200px) {
            .ph-specs {
                padding: 70px 0;
            }

            .ph-specs .ph-section-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 992px) {
            .ph-specs-grid {
                gap: 20px;
            }

            .ph-spec-card {
                padding: 25px;
            }
        }

        @media (max-width: 768px) {
            .ph-specs {
                padding: 60px 0;
            }

            .ph-specs .ph-section-title {
                font-size: 1.8rem;
                margin-bottom: 40px;
            }

            .ph-spec-card h3 {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 576px) {
            .ph-specs {
                padding: 50px 0;
            }

            .ph-specs .ph-section-title {
                font-size: 1.6rem;
            }

            .ph-specs-grid {
                grid-template-columns: 1fr;
            }
        }

    .ph-news {
        background-color: #f8fafd;
        padding: 60px 0;
    }

    .ph-news-header {
        text-align: center;
        margin-bottom: 40px;
    }

    .ph-news-title {
        font-size: 2rem;
        font-weight: 700;
        color: #333;
        margin-bottom: 10px;
    }

    .ph-news-subtitle {
        font-size: 1.1rem;
        color: #666;
        max-width: 600px;
        margin: 0 auto;
    }

    .ph-tabs-nav {
        display: flex;
        justify-content: center;
        margin-bottom: 30px;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 10px;
    }

    .ph-tabs-nav::-webkit-scrollbar {
        display: none;
    }

    .ph-tab-btn {
        padding: 10px 20px;
        background: none;
        border: none;
        border-radius: 30px;
        font-size: 1rem;
        font-weight: 500;
        color: #666;
        cursor: pointer;
        transition: var(--motion-ui);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .ph-tab-btn.active,
    .ph-tab-btn:hover {
        background-color: rgba(var(--brand-rgb), 0.1);
        color: var(--brand-link);
    }

    .ph-tab-btn.active {
        font-weight: 600;
    }

    .ph-tab-pane {
        display: none;
    }

    .ph-tab-pane.active {
        display: block;
    }

    .ph-news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-bottom: 30px;
    }

    .ph-news-card {
        background: #fff;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        transition: var(--motion-ui);
    }

    .ph-news-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(var(--brand-rgb), 0.1);
    }

    .ph-news-link {
        display: block;
        padding: 20px;
        text-decoration: none;
        color: inherit;
        height: 100%;
    }

    .ph-news-item-title {
        font-size: 1rem;
        font-weight: 600;
        color: #333;
        margin-bottom: 8px;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .ph-news-date {
        font-size: 0.85rem;
        color: #999;
        display: block;
    }

    .ph-news-footer {
        text-align: center;
        margin-top: 20px;
    }

    .ph-more-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 20px;
        background-color: var(--brand-primary);
        color: white;
        border-radius: 30px;
        text-decoration: none;
        font-weight: 500;
        font-size: 0.95rem;
        transition: var(--motion-ui);
    }

    .ph-more-btn:hover {
        background-color: var(--brand-hover);
        transform: translateX(3px);
    }

    @media (max-width: 992px) {
        .ph-news-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        .ph-news {
            padding: 50px 0;
        }

        .ph-news-title {
            font-size: 1.8rem;
        }

        .ph-news-subtitle {
            font-size: 1rem;
        }

        .ph-tabs-nav {
            justify-content: flex-start;
        }
    }

    @media (max-width: 576px) {
        .ph-news-grid {
            grid-template-columns: 1fr;
        }

        .ph-news-card {
            padding: 15px;
        }

        .ph-news-item-title {
            font-size: 0.95rem;
        }

        .ph-more-btn {
            padding: 8px 16px;
            font-size: 0.9rem;
        }
    }

    .ph-footer {
        background-color: #2a3142;
        color: #d1d5db;
        padding: 60px 0 0;
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .ph-footer-main {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        padding-bottom: 50px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .ph-footer-title {
        color: #fff;
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
    }

    .ph-footer-title:after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 40px;
        height: 2px;
        background-color: var(--brand-primary);
    }

    .ph-nav-menu {
        list-style: none;
    }

    .ph-nav-menu li {
        margin-bottom: 10px;
    }

    .ph-nav-menu a {
        color: #d1d5db;
        text-decoration: none;
        transition: color 0.3s;
    }

    .ph-nav-menu a:hover {
        color: var(--brand-primary);
    }

    .ph-product-desc p {
        margin-bottom: 15px;
        color: #d1d5db;
    }

    .ph-product-features {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .ph-product-features span {
        display: flex;
        align-items: center;
        gap: 5px;
        color: #d1d5db;
        font-size: 0.9rem;
    }

    .ph-product-features i {
        color: var(--brand-primary);
        font-size: 0.9rem;
    }

    .ph-links-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }

    .ph-link-item {
        color: #d1d5db;
        text-decoration: none;
        font-size: 0.9rem;
        transition: color 0.3s;
    }

    .ph-link-item:hover {
        color: var(--brand-primary);
    }

    .ph-contact-list {
        list-style: none;
    }

    .ph-contact-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }

    .ph-icon {
        color: var(--brand-primary);
        width: 20px;
        text-align: center;
    }

    .ph-footer-bottom {
        padding: 30px 0;
    }

    .ph-disclaimer {
        margin-bottom: 20px;
    }

    .ph-disclaimer-content {
        display: flex;
        gap: 15px;
        background-color: rgba(255, 255, 255, 0.05);
        padding: 15px;
        border-radius: 5px;
    }

    .ph-icon-warning {
        color: #ff9900;
        font-size: 1.2rem;
        flex-shrink: 0;
        margin-top: 3px;
    }

    .ph-disclaimer-text {
        color: #a0a8b8;
        font-size: 0.85rem;
    }

    .ph-legal {
        text-align: center;
    }

    .ph-legal-info {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
        color: #a0a8b8;
        font-size: 0.85rem;
    }

    .ph-legal-info a {
        color: #a0a8b8;
        text-decoration: none;
        transition: color 0.3s;
    }

    .ph-legal-info a:hover {
        color: var(--brand-primary);
    }

    @media (max-width: 992px) {
        .ph-footer-main {
            gap: 30px;
        }

        .ph-footer {
            padding-top: 50px;
        }
    }

    @media (max-width: 768px) {
        .ph-footer-main {
            grid-template-columns: repeat(2, 1fr);
        }

        .ph-footer {
            padding-top: 40px;
        }
    }

    @media (max-width: 576px) {
        .ph-footer-main {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .ph-footer-title {
            margin-bottom: 15px;
        }

        .ph-footer {
            padding-top: 30px;
        }

        .ph-disclaimer-content {
            flex-direction: column;
            gap: 10px;
        }

        .ph-legal-info {
            flex-direction: column;
            gap: 5px;
        }
    }

    .ph-sidebar {
        position: fixed;
        right: 20px;
        bottom: 100px;
        z-index: 999;
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .ph-service-item {
        position: relative;
    }

    .ph-service-link {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 50px;
        height: 50px;
        background: #fff;
        border-radius: 50%;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        transition: var(--motion-ui);
        font-size: 1.5rem;
        color: white;
        text-decoration: none;
    }

    .ph-qq-service .ph-service-link {
        background-color: #12B7F5;
    }

    .ph-wechat-service .ph-service-link {
        background-color: #07C160;
    }

    .ph-service-link:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    }

    .ph-service-tooltip {
        position: absolute;
        right: 60px;
        bottom: 0;
        width: 160px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        opacity: 0;
        visibility: hidden;
        transition: var(--motion-ui);
        z-index: 1000;
        padding: 15px;
        text-align: center;
    }

    .ph-service-item:hover .ph-service-tooltip,
    .ph-service-item:focus-within .ph-service-tooltip {
        opacity: 1;
        visibility: visible;
    }

    .ph-tooltip-content {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .ph-tooltip-title {
        font-size: 1rem;
        font-weight: 600;
        color: #333;
        margin-bottom: 5px;
    }

    .ph-tooltip-qq {
        font-size: 1.1rem;
        font-weight: 700;
        color: #12B7F5;
    }

    .ph-tooltip-text {
        font-size: 0.9rem;
        color: #666;
    }

    .ph-consult-btn {
        display: block;
        padding: 8px 0;
        background: #12B7F5;
        color: white;
        border-radius: 4px;
        text-decoration: none;
        font-size: 0.9rem;
        transition: background 0.3s;
    }

    .ph-consult-btn:hover {
        background: #0e9fd8;
    }

    .ph-wechat-qrcode {
        width: 100%;
        height: auto;
        border-radius: 4px;
    }

    .ph-back-to-top {
        opacity: 0;
        visibility: hidden;
        transition: var(--motion-ui);
    }

    .ph-back-to-top a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 50px;
        height: 50px;
        background: #fff;
        border-radius: 50%;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        transition: var(--motion-ui);
        color: #666;
        font-size: 1.2rem;
    }

    .ph-back-to-top a:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    }

    .ph-back-to-top.show {
        opacity: 1;
        visibility: visible;
    }

    @media (max-width: 768px) {
        .ph-sidebar {
            right: 10px;
            bottom: 80px;
        }

        .ph-service-link, .ph-back-to-top a {
            width: 45px;
            height: 45px;
            font-size: 1.3rem;
        }

        .ph-back-to-top a {
            font-size: 1.1rem;
        }

        .ph-service-tooltip {
            right: 50px;
            width: 140px;
        }
    }

    .bangzhu-help-center {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        color: #333;
        line-height: 1.6;
    }

    .bangzhu-header {
        background-color: var(--brand-primary);
        color: white;
        padding: 60px 0 40px;
        margin-bottom: 30px;
    }

    .bangzhu-header-content {
        text-align: center;
    }

    .bangzhu-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .bangzhu-main-title {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .bangzhu-subtitle {
        font-size: 1.2rem;
        opacity: 0.9;
    }

    .bangzhu-main-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .bangzhu-top-bar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 30px;
        flex-wrap: wrap;
        gap: 20px;
    }

    .bangzhu-breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 5px;
    }

    .bangzhu-breadcrumb-item {
        color: var(--brand-primary);
        text-decoration: none;
        font-size: 0.95rem;
    }

    .bangzhu-breadcrumb-item:hover {
        text-decoration: underline;
    }

    .bangzhu-breadcrumb-separator {
        color: #666;
        font-size: 0.95rem;
    }

    .bangzhu-search-form {
        flex: 1;
        min-width: 250px;
        max-width: 400px;
    }

    .bangzhu-search-wrapper {
        position: relative;
        display: flex;
    }

    .bangzhu-search-input {
        flex: 1;
        padding: 10px 15px;
        border: 1px solid #ddd;
        border-radius: 4px 0 0 4px;
        font-size: 0.95rem;
        outline: none;
        transition: var(--motion-ui);
    }

    .bangzhu-search-input:focus {
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 2px rgba(var(--brand-rgb), 0.2);
    }

    .bangzhu-search-button {
        padding: 0 20px;
        background: var(--brand-primary);
        color: white;
        border: none;
        border-radius: 0 4px 4px 0;
        cursor: pointer;
        transition: var(--motion-ui);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .bangzhu-search-button:hover {
        background: var(--brand-hover);
    }

    .bangzhu-search-icon {
        margin-right: 8px;
    }

    .bangzhu-subnav-container {
        margin-bottom: 30px;
        border-bottom: 1px solid #eee;
    }

    .bangzhu-subnav {
        display: flex;
        list-style: none;
        flex-wrap: wrap;
        gap: 5px;
        padding: 0;
        margin: 0 -5px 0 0;
    }

    .bangzhu-subnav-item {
        margin: 0;
    }

    .bangzhu-subnav-link {
        display: block;
        padding: 8px 20px;
        color: #666;
        text-decoration: none;
        border-radius: 4px 4px 0 0;
        transition: var(--motion-ui);
        font-size: 0.95rem;
    }

    .bangzhu-subnav-item.active .bangzhu-subnav-link,
    .bangzhu-subnav-link:hover {
        color: var(--brand-link);
        background-color: rgba(var(--brand-rgb), 0.1);
    }

    .bangzhu-subnav-item.active .bangzhu-subnav-link {
        font-weight: 500;
        border-bottom: 2px solid var(--brand-primary);
    }

    .bangzhu-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
        margin-bottom: 50px;
    }

    .bangzhu-item {
        background: white;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        transition: var(--motion-ui);
    }

    .bangzhu-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .bangzhu-item-link {
        text-decoration: none;
        color: inherit;
        display: block;
        height: 100%;
    }

    .bangzhu-thumb-container {
        position: relative;
        padding-top: 56.25%;
        background-color: #f5f5f5;
    }

    .bangzhu-thumb-wrapper {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .bangzhu-thumb {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        object-fit: contain;
    }

    .ph-overview-image picture {
        display: block;
        max-width: 100%;
    }

    .ph-tooltip-content picture {
        display: block;
        width: 100%;
        line-height: 0;
    }

    .bangzhu-no-image {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #999;
        background-color: #f5f5f5;
    }

    .bangzhu-no-image-icon {
        font-size: 2rem;
        opacity: 0.3;
    }

    .bangzhu-content {
        padding: 20px;
    }

    .bangzhu-meta {
        display: flex;
        align-items: center;
        margin-bottom: 10px;
        font-size: 0.85rem;
        color: #666;
    }

    .bangzhu-date {
        margin-right: 15px;
        display: flex;
        align-items: center;
    }

    .bangzhu-views {
        display: flex;
        align-items: center;
    }

    .bangzhu-meta-icon {
        margin-right: 5px;
        font-size: 0.9rem;
    }

    .bangzhu-title {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 10px;
        color: #333;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .bangzhu-desc {
        font-size: 0.9rem;
        color: #666;
        margin-bottom: 15px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .bangzhu-more {
        color: var(--brand-primary);
        font-size: 0.9rem;
        font-weight: 500;
        display: inline-flex;
        align-items: center;
    }

    .bangzhu-more-icon {
        margin-left: 5px;
        font-size: 0.8rem;
    }

    .bangzhu-pagination-wrapper {
        margin: 40px 0 60px;
        text-align: center;
    }

    .bangzhu-pagination {
        display: inline-block;
    }

    .bangzhu-pagination .pagination {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 8px;
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .bangzhu-pagination .pagination li {
        margin: 0;
        display: inline-block;
    }

    .bangzhu-pagination .pagination a,
    .bangzhu-pagination .pagination strong {
        display: inline-block;
        min-width: 36px;
        padding: 8px 12px;
        border-radius: 4px;
        text-align: center;
        text-decoration: none;
        font-size: 0.95rem;
        transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        border: 1px solid #e0e0e0;
        color: var(--brand-primary);
        background: white;
    }

    .bangzhu-pagination .pagination a:hover {
        background: var(--brand-soft);
        border-color: var(--brand-border);
        color: var(--brand-link);
    }

    .bangzhu-pagination .pagination strong,
    .bangzhu-pagination .pagination .active a {
        background: var(--brand-primary);
        color: white;
        border-color: var(--brand-primary);
        font-weight: 500;
    }

    @media (max-width: 992px) {
        .bangzhu-header {
            padding: 50px 0 30px;
        }

        .bangzhu-main-title {
            font-size: 2.2rem;
        }

        .bangzhu-subtitle {
            font-size: 1.1rem;
        }

        .bangzhu-list {
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
    }

    @media (max-width: 768px) {
        .bangzhu-header {
            padding: 40px 0 25px;
        }

        .bangzhu-main-title {
            font-size: 2rem;
        }

        .bangzhu-top-bar {
            flex-direction: column;
            align-items: flex-start;
            gap: 15px;
        }

        .bangzhu-search-form {
            width: 100%;
            max-width: 100%;
        }

        .bangzhu-subnav {
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 5px;
            -webkit-overflow-scrolling: touch;
        }

        .bangzhu-subnav::-webkit-scrollbar {
            display: none;
        }

        .bangzhu-list {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 576px) {
        .bangzhu-header {
            padding: 30px 0 20px;
        }

        .bangzhu-main-title {
            font-size: 1.8rem;
        }

        .bangzhu-subtitle {
            font-size: 1rem;
        }

        .bangzhu-content {
            padding: 15px;
        }

        .bangzhu-title {
            font-size: 1rem;
        }
    }

    .neirong-wrapper {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        color: #333;
        line-height: 1.8;

        padding: 0 20px;
    }

    .neirong-container {
        max-width: 1200px;
        margin: 0 auto;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        padding: 40px;
    }

    .neirong-breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        margin-bottom: 25px;
        font-size: 0.95rem;
    }

    .neirong-breadcrumb-item {
        color: var(--brand-primary);
        text-decoration: none;
        transition: var(--motion-ui);
    }

    .neirong-breadcrumb-item:hover {
        color: var(--brand-hover);
        text-decoration: underline;
    }

    .neirong-breadcrumb-separator {
        color: #999;
        margin: 0 8px;
    }

    .neirong-title {
        font-size: 1.8rem;
        font-weight: 700;
        color: #222;
        margin-bottom: 20px;
        line-height: 1.4;
    }

    .neirong-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-bottom: 30px;
        padding-bottom: 20px;
        border-bottom: 1px solid #f0f0f0;
    }

    .neirong-meta-item {
        display: flex;
        align-items: center;
        color: #666;
        font-size: 0.95rem;
    }

    .neirong-meta-icon {
        margin-right: 8px;
        color: #999;
        font-size: 0.9rem;
    }

    .neirong-content {
        font-size: 1rem;
        line-height: 1.8;
        color: #444;
    }

    .neirong-content p {
        margin-bottom: 1.5em;
    }

    .neirong-content img {
        max-width: 100%;
        height: auto;
        border-radius: 4px;
        margin: 20px 0;
    }

    .neirong-content h2,
    .neirong-content h3,
    .neirong-content h4 {
        margin: 1.5em 0 1em;
        color: #222;
        font-weight: 600;
    }

    .neirong-content h2 {
        font-size: 1.5rem;
        border-bottom: 1px solid #f0f0f0;
        padding-bottom: 10px;
    }

    .neirong-content h3 {
        font-size: 1.3rem;
    }

    .neirong-content h4 {
        font-size: 1.1rem;
    }

    .neirong-content a {
        color: var(--brand-primary);
        text-decoration: none;
    }

    .neirong-content a:hover {
        text-decoration: underline;
    }

    .neirong-content ul,
    .neirong-content ol {
        margin: 1em 0;
        padding-left: 2em;
    }

    .neirong-content li {
        margin-bottom: 0.5em;
    }

    .neirong-content blockquote {
        border-left: 4px solid var(--brand-primary);
        background: #f8fafd;
        padding: 15px 20px;
        margin: 20px 0;
        color: #555;
    }

    .neirong-tags {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        margin: 40px 0;
        padding-top: 20px;
        border-top: 1px solid #f0f0f0;
    }

    .neirong-tags-label {
        display: flex;
        align-items: center;
        margin-right: 15px;
        color: #666;
        font-size: 0.95rem;
    }

    .neirong-tags-icon {
        margin-right: 8px;
        font-size: 0.9rem;
    }

    .neirong-tags-list {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .neirong-tag-item {
        display: inline-block;
        padding: 5px 12px;
        background: #f5f5f5;
        color: #555;
        border-radius: 15px;
        font-size: 0.85rem;
        text-decoration: none;
        transition: var(--motion-ui);
    }

    .neirong-tag-item:hover {
        background: var(--brand-soft);
        color: var(--brand-link);
    }

    .neirong-navigation {
        display: flex;
        justify-content: space-between;
        margin-top: 50px;
        padding-top: 30px;
        border-top: 1px solid #f0f0f0;
    }

    .neirong-nav-prev,
    .neirong-nav-next {
        flex: 1;
        min-width: 0;
    }

    .neirong-nav-prev {
        padding-right: 15px;
    }

    .neirong-nav-next {
        padding-left: 15px;
        text-align: right;
    }

    .neirong-nav-label {
        display: flex;
        align-items: center;
        color: #999;
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    .neirong-nav-prev .neirong-nav-label {
        justify-content: flex-start;
    }

    .neirong-nav-next .neirong-nav-label {
        justify-content: flex-end;
    }

    .neirong-nav-icon {
        margin: 0 5px;
        font-size: 0.8rem;
    }

    .neirong-nav-link {
        display: block;
        color: var(--brand-primary);
        text-decoration: none;
        font-size: 0.95rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        transition: var(--motion-ui);
    }

    .neirong-nav-link:hover {
        color: var(--brand-hover);
        text-decoration: underline;
    }

    @media (max-width: 992px) {
        .neirong-container {
            padding: 30px;
        }

        .neirong-title {
            font-size: 1.6rem;
        }
    }

    @media (max-width: 768px) {
        .neirong-wrapper {

            padding: 0 15px;
        }

        .neirong-container {
            padding: 25px;
            border-radius: 6px;
        }

        .neirong-title {
            font-size: 1.4rem;
        }

        .neirong-meta {
            gap: 15px;
        }

        .neirong-content {
            font-size: 0.95rem;
        }

        .neirong-content h2 {
            font-size: 1.3rem;
        }

        .neirong-content h3 {
            font-size: 1.1rem;
        }

        .neirong-navigation {
            flex-direction: column;
            gap: 20px;
        }

        .neirong-nav-prev,
        .neirong-nav-next {
            padding: 0;
            text-align: left;
        }

        .neirong-nav-next {
            text-align: left;
        }
    }

    @media (max-width: 576px) {
        .neirong-wrapper {

            padding: 0 10px;
        }

        .neirong-container {
            padding: 20px;
            border-radius: 4px;
        }

        .neirong-title {
            font-size: 1.3rem;
        }

        .neirong-meta {
            flex-direction: column;
            gap: 10px;
        }

        .neirong-content {
            font-size: 0.9rem;
        }

        .neirong-content h2 {
            font-size: 1.2rem;
        }

        .neirong-tags {
            flex-direction: column;
            align-items: flex-start;
        }

        .neirong-tags-label {
            margin-bottom: 10px;
        }
    }

.table.table-bordered {
  border-collapse: collapse;
  width: 100%;
}

.table.table-bordered,
.table.table-bordered th,
.table.table-bordered td {
  border: 1px solid #dee2e6;
  padding: 8px 12px;
}

.table.table-bordered thead th {
  border-bottom-width: 2px;
  background-color: #f8f9fa;
}

.table.table-bordered tbody tr:hover {
  background-color: rgba(0,0,0,.02);
}

.table.table-bordered tbody tr:nth-child(odd) {
  background-color: rgba(0,0,0,.01);
}

@media screen and (max-width: 768px) {
  .table {
    display: block;
    width: 100%;
    overflow-x: auto;

    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }

  .table.table-bordered {
    white-space: nowrap;
  }
}

.photon-pricing {
    padding: 22px 0;
    background: linear-gradient(180deg, #f4f7fb 0%, #ffffff 44%, #f7fafc 100%);
    color: #172033;
}

.photon-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

.photon-pricing-head {
    max-width: 920px;
    margin: 0 auto 34px;
    text-align: center;
}

.photon-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 0 12px;
    margin-bottom: 12px;
    border: 1px solid var(--brand-border);
    border-radius: 6px;
    background: var(--brand-soft);
    color: var(--brand-link);
    font-size: 0.86rem;
    font-weight: 700;
}

.photon-title {
    margin: 0 0 12px;
    color: #14213d;
    font-size: 2.05rem;
    line-height: 1.25;
    font-weight: 800;
}

.photon-subtitle {
    max-width: 780px;
    margin: 0 auto 20px;
    color: #667085;
    font-size: 1rem;
    line-height: 1.7;
}

.photon-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.photon-stats span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border: 1px solid #e4e9f2;
    border-radius: 6px;
    background: #ffffff;
    color: #344054;
    font-size: 0.9rem;
    box-shadow: 0 8px 24px rgba(20, 33, 61, 0.05);
}

.photon-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    padding: 6px;
    border: 1px solid #e0e8f2;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(20, 33, 61, 0.06);
}

.photon-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 0 14px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: #475467;
    cursor: pointer;
    font: inherit;
    font-size: 0.93rem;
    font-weight: 700;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.photon-tab i {
    color: inherit;
    font-size: 0.92rem;
}

.photon-tab em {
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: #eef2f7;
    color: #667085;
    font-size: 0.78rem;
    font-style: normal;
    line-height: 22px;
}

.photon-tab:hover {
    background: var(--brand-soft);
    color: var(--brand-link);
}

.photon-tab.is-active {
    background: var(--brand-primary);
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(var(--brand-rgb), 0.22);
}

.photon-tab.is-active em {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
}

.photon-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    align-items: stretch;
}

.photon-grid[data-active-filter="l2tp"] {
    max-width: 600px;
    margin: 0 auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.photon-card {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 465px;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid #e3e9f2;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 16px 36px rgba(20, 33, 61, 0.08);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.photon-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-border);
    box-shadow: 0 20px 44px rgba(20, 33, 61, 0.12);
}

.photon-card[hidden] {
    display: none;
}

.photon-card-featured {
    border-color: var(--brand-primary);
}

.photon-card-featured::before,
.photon-card-custom::before,
.photon-card-router::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), #10b981);
}

.photon-card-custom::before {
    background: linear-gradient(90deg, #d97706, var(--brand-primary));
}

.photon-card-router::before {
    background: linear-gradient(90deg, var(--brand-link), #06b6d4);
}

.photon-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 22px 20px 10px;
}

.photon-code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--brand-soft);
    color: var(--brand-link);
    font-size: 1rem;
    font-weight: 800;
}

.photon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    padding: 0 9px;
    border-radius: 6px;
    background: var(--brand-primary);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.photon-badge-soft {
    background: #eef2f7;
    color: #475467;
}

.photon-badge-green {
    background: #e7f8f2;
    color: #087f5b;
}

.photon-badge-gold {
    background: #fff4dd;
    color: #b45309;
}

.photon-badge-blue {
    background: var(--brand-soft);
    color: var(--brand-link);
}

.photon-card h2 {
    min-height: 54px;
    margin: 0;
    padding: 0 20px;
    color: #172033;
    font-size: 1.14rem;
    line-height: 1.35;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.photon-bandwidth {
    margin: 0;
    padding: 8px 20px 14px;
    color: var(--brand-link);
    font-size: 0.98rem;
    font-weight: 800;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.photon-meta {
    display: grid;
    gap: 8px;
    padding: 0 20px 18px;
    color: #667085;
    font-size: 0.88rem;
    line-height: 1.55;
}

.photon-meta span {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    min-width: 0;
    overflow-wrap: anywhere;
}

.photon-meta i {
    width: 16px;
    margin-top: 4px;
    color: var(--brand-link);
    text-align: center;
    flex: 0 0 auto;
}

.photon-price-list {
    display: grid;
    gap: 10px;
    padding: 0 20px 20px;
    flex: 1;
}

.photon-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid #edf1f7;
    border-radius: 8px;
    background: #f8fafc;
    font-size: 0.95rem;
}

.photon-price-row span {
    color: #475467;
    font-weight: 700;
    white-space: nowrap;
}

.photon-price-row strong {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    color: var(--brand-link);
    font-size: 1.08rem;
    font-weight: 800;
    line-height: 1;
    text-align: right;
    white-space: nowrap;
}

.photon-price-row del {
    color: #98a2b3;
    font-size: 0.82rem;
    font-weight: 500;
}

.photon-price-disabled {
    background: #ffffff;
}

.photon-price-disabled strong {
    color: #98a2b3;
    font-size: 0.9rem;
    font-weight: 600;
}

.photon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    margin: 0 20px 20px;
    padding: 0 18px;
    border-radius: 8px;
    background: var(--brand-primary);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.photon-btn:hover {
    background: var(--brand-hover);
    transform: translateY(-1px);
}

@media (max-width: 1100px) {
    .photon-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .photon-pricing {
        padding: 54px 0;
    }

    .photon-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 576px) {
    .photon-pricing {
        padding: 42px 0;
    }

    .photon-container {
        padding: 0 14px;
    }

    .photon-title {
        font-size: 1.55rem;
    }

    .photon-stats {
        justify-content: flex-start;
    }

    .photon-stats span {
        width: 100%;
        justify-content: center;
    }

    .photon-tabs {
        display: flex;
        width: 100%;
    }

    .photon-tab {
        flex: 1 1 100%;
        min-width: 0;
        padding: 0 10px;
    }

    .photon-grid,
    .photon-grid[data-active-filter="l2tp"] {
        max-width: none;
        grid-template-columns: 1fr;
    }

    .photon-card {
        min-height: auto;
    }

    .photon-card-top,
    .photon-card h2,
    .photon-bandwidth,
    .photon-meta,
    .photon-price-list {
        padding-left: 16px;
        padding-right: 16px;
    }

    .photon-btn {
        margin-left: 16px;
        margin-right: 16px;
    }

    .photon-price-row strong {
        font-size: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}