:root {
    --brand-logo: #436DB2;
    --theme-primary: #5F739B;
    --theme-primary-hover: #4D6086;
    --theme-primary-rgb: 95, 115, 155;
    --theme-surface: #F1F4F9;
    color-scheme: light;
}

html {
    scroll-behavior: smooth;
}

        * {
            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: #263244;
            background: #fff;
            overflow-wrap: break-word;
            text-rendering: optimizeLegibility;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-logo);
            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 {
            flex: 0 0 auto;
        }

        .gz-logo a {
            display: block;
        }

        .gz-logo img {
            display: block;
            width: 247px;
            height: auto !important;
            aspect-ratio: 247 / 47;
            object-fit: contain;
        }



        .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(--theme-primary);
        }

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

        .gz-nav-menu .active a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--theme-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: all 0.3s;
        }

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

        .gz-login:hover {
            color: var(--theme-primary);
            background-color: var(--theme-surface);
        }

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

        .gz-register:hover {
            background-color: var(--theme-primary-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: all 0.3s;
        }

        .gz-hamburger.active .gz-hamburger-line:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .gz-hamburger.active .gz-hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .gz-hamburger.active .gz-hamburger-line:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }



        @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: clamp(140px, 42vw, 160px);
                max-width: none;
                height: auto !important;
            }

            .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: all 0.3s ease;
            cursor: pointer;
        }

        .gz-feature-item:hover {
            background-color: rgba(var(--theme-primary-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: all 0.3s;
        }

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

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

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

        .gz-cta-secondary:hover {
            background-color: var(--theme-surface);
            transform: translateY(-2px);
        }



        .gz-hero-image {
            flex: 0 0 auto;
            width: 650px; 
            height: 395px; 
            transition: all 0.3s ease;
        }

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



        .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(--theme-primary-rgb), 0.15);
        transition: all 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(--theme-primary-rgb), 0.25);
    }



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

        .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(--theme-primary-rgb), 0.08);
            border-radius: 8px;
            transition: all 0.3s;
        }

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

        .ph-icon {
            color: var(--theme-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-section-title {
                font-size: 2.2rem;
            }
        }

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

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

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

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

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

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

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

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

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



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

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



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

        .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: all 0.3s ease;
            border: 1px solid rgba(var(--theme-primary-rgb), 0.1);
        }

        .ph-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(var(--theme-primary-rgb), 0.15);
            border-color: rgba(var(--theme-primary-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(--theme-primary-rgb), 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--theme-primary);
            font-size: 1.2rem;
            transition: all 0.3s ease;
        }

        .ph-feature-card:hover .ph-feature-icon {
            background-color: rgba(var(--theme-primary-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(--theme-primary);
            border-radius: 50%;
            opacity: 0.5;
        }



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

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

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

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

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

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

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



        .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-section-title:after {
            content: "";
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--theme-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: all 0.3s ease;
            border-top: 3px solid var(--theme-primary);
        }

        .ph-spec-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(var(--theme-primary-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(--theme-primary);
            margin-right: 12px;
            font-size: 1.2rem;
            width: 30px;
            height: 30px;
            background: rgba(var(--theme-primary-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(--theme-primary);
            border-radius: 50%;
            opacity: 0.7;
        }



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

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

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



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

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



    .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: all 0.3s;
        white-space: nowrap;
        flex-shrink: 0; 
    }

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

    .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: all 0.3s;
    }

    .ph-news-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(var(--theme-primary-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(--theme-primary);
        color: white;
        border-radius: 30px;
        text-decoration: none;
        font-weight: 500;
        font-size: 0.95rem;
        transition: all 0.3s;
    }

    .ph-more-btn:hover {
        background-color: var(--theme-primary-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-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }



    .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(--theme-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(--theme-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(--theme-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(--theme-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(--theme-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(--theme-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: all 0.3s;
        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: all 0.3s;
        z-index: 1000;
        padding: 15px;
        text-align: center;
    }



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

    .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: all 0.3s;
    }

    .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: all 0.3s;
        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;
        }
    }



    .price-section {
        padding: 80px 0;
        background-color: #f8fafd;
    }

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



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

    .price-section-subtitle {
        font-size: 1.2rem;
        color: #666;
        text-align: center;
        max-width: 600px;
        margin: 0 auto 50px;
    }



    .price-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }



    .price-card {
        background: #fff;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        transition: all 0.3s;
        display: flex;
        flex-direction: column;
    }

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



    .price-card-header {
        padding: 20px;
        background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-hover) 100%);
        color: white;
        position: relative;
    }

    .price-card-title {
        font-size: 1.3rem;
        font-weight: 600;
        margin: 0;
    }



    .price-card-badge {
        position: absolute;
        top: 15px;
        right: 15px;
        background: rgba(255, 255, 255, 0.2);
        padding: 3px 10px;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 500;
    }

    .price-badge-economy {
        background: #52c41a;
    }

    .price-badge-premium {
        background: #f5222d;
    }



    .price-card-body {
        padding: 20px;
        flex: 1;
    }



    .price-feature {
        display: flex;
        align-items: center;
        margin-bottom: 15px;
    }

    .price-icon {
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--theme-primary);
        margin-right: 10px;
        font-size: 1rem;
    }

    .price-feature-text {
        font-size: 0.95rem;
        color: #555;
    }



    .price-card-footer {
        padding: 0 20px 20px;
        text-align: center;
    }

    .price-btn {
        display: inline-block;
        padding: 10px 25px;
        background: var(--theme-primary);
        color: white;
        border-radius: 4px;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.3s;
    }

    .price-btn:hover {
        background: var(--theme-primary-hover);
        transform: translateY(-2px);
    }



    .price-card:nth-child(2) .price-card-header {
        background: linear-gradient(135deg, #52c41a 0%, #389e0d 100%);
    }

    .price-card:nth-child(3) .price-card-header {
        background: linear-gradient(135deg, #f5222d 0%, #cf1322 100%);
    }

    .price-card:nth-child(4) .price-card-header {
        background: linear-gradient(135deg, #722ed1 0%, #531dab 100%);
    }

    .price-card:nth-child(5) .price-card-header {
        background: linear-gradient(135deg, #fa8c16 0%, #d46b08 100%);
    }



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

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

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

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

        .price-grid {
            grid-template-columns: 1fr;
            max-width: 500px;
            margin: 0 auto;
        }

        .price-section-title {
            font-size: 2rem;
        }
    }

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

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

        .price-section-subtitle {
            font-size: 1rem;
        }

        .price-card-header {
            padding: 15px;
        }

        .price-card-title {
            font-size: 1.2rem;
        }

        .price-card-badge {
            font-size: 0.7rem;
        }

        .price-feature-text {
            font-size: 0.9rem;
        }
    }



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



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

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

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

    .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(--theme-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: all 0.3s;
    }

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

    .bangzhu-search-button {
        padding: 0 20px;
        background: var(--theme-primary);
        color: white;
        border: none;
        border-radius: 0 4px 4px 0;
        cursor: pointer;
        transition: all 0.3s;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .bangzhu-search-button:hover {
        background: var(--theme-primary-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: all 0.3s;
        font-size: 0.95rem;
    }

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

    .bangzhu-subnav-item.active .bangzhu-subnav-link {
        font-weight: 500;
        border-bottom: 2px solid var(--theme-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: all 0.3s;
    }

    .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;
    }

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

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

    .bangzhu-pagination-list a,
    .bangzhu-pagination-list strong {
        display: inline-block;
        min-width: 36px;
        padding: 8px 12px;
        border-radius: 4px;
        text-align: center;
        text-decoration: none;
        font-size: 0.95rem;
        transition: all 0.3s;
        border: 1px solid #e0e0e0;
        color: var(--theme-primary);
        background: white;
    }

    .bangzhu-pagination-list a:hover {
        background: var(--theme-surface);
        border-color: #C9D3E4;
    }

    .bangzhu-pagination-list strong,
    .bangzhu-pagination-list .active a {
        background: var(--theme-primary);
        color: white;
        border-color: var(--theme-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(--theme-primary);
        text-decoration: none;
        transition: all 0.3s;
    }

    .neirong-breadcrumb-item:hover {
        color: var(--theme-primary-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(--theme-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(--theme-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: all 0.3s;
    }

    .neirong-tag-item:hover {
        background: var(--theme-surface);
        color: var(--theme-primary);
    }



    .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(--theme-primary);
        text-decoration: none;
        font-size: 0.95rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        transition: all 0.3s;
    }

    .neirong-nav-link:hover {
        color: var(--theme-primary-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;
  }
}



.price-section,
.price-section * {
  box-sizing: border-box;
}

.price-section {
  padding: 72px 0 88px;
  background:
    radial-gradient(circle at 12% 8%, rgba(var(--theme-primary-rgb), 0.08), transparent 28%),
    linear-gradient(180deg, #f6f9fc 0%, #ffffff 52%, #f7fafc 100%);
  color: #1f2d3d;
}

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

.price-hero {
  text-align: center;
  margin-bottom: 24px;
}

.price-eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  padding: 0 14px;
  margin-bottom: 14px;
  border: 1px solid rgba(var(--theme-primary-rgb), 0.18);
  border-radius: 999px;
  background: #fff;
  color: var(--theme-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.price-section-title {
  margin: 0;
  color: #152536;
  font-size: 38px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0;
}

.price-section-subtitle {
  max-width: 640px;
  margin: 14px auto 0;
  color: #64748b;
  font-size: 16px;
  line-height: 1.8;
}

.price-category-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 24px;
}

.price-category-strip span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid #dbe6f3;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  color: #334155;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.price-category-strip i {
  flex: 0 0 auto;
  margin-right: 7px;
  color: var(--theme-primary);
  font-size: 14px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.price-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #dde8f2;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.07);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.price-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--theme-primary-rgb), 0.35);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.11);
}

.price-card-header {
  position: relative;
  min-height: 118px;
  padding: 22px 22px 20px;
  border-bottom: 1px solid #e6edf5;
  background: #f8fbff;
  color: #152536;
}

.price-card-header::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  content: "";
  background: var(--price-accent, var(--theme-primary));
}

.price-card.price-card-static .price-card-header,
.price-card.price-card-j .price-card-header,
.price-card.price-card-n .price-card-header,
.price-card.price-card-l2tp-static .price-card-header,
.price-card.price-card-l2tp-home .price-card-header,
.price-card.price-card-android .price-card-header {
  background: #f8fbff;
}

.price-card-static {
  --price-accent: var(--theme-primary);
}

.price-card-j {
  --price-accent: #ef4444;
}

.price-card-n {
  --price-accent: #16a34a;
}

.price-card-l2tp-static {
  --price-accent: #7c3aed;
}

.price-card-l2tp-home {
  --price-accent: #f97316;
}

.price-card-android {
  --price-accent: #14b8a6;
}

.price-card-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--price-accent, var(--theme-primary));
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
}

.price-card-title {
  max-width: calc(100% - 64px);
  margin: 0;
  color: #152536;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0;
}

.price-card-badge {
  position: absolute;
  top: 20px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(var(--theme-primary-rgb), 0.12);
  color: var(--price-accent, var(--theme-primary));
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
}

.price-card-badge.price-badge-premium {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.price-card-badge.price-badge-new {
  background: rgba(249, 115, 22, 0.12);
  color: #ea580c;
}

.price-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 14px;
  padding: 20px 22px 18px;
}

.price-rate-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.price-rate-item {
  min-height: 74px;
  padding: 10px 8px;
  border: 1px solid #e1eaf5;
  border-radius: 8px;
  background: #fbfdff;
  text-align: center;
}

.price-rate-label {
  display: block;
  margin-bottom: 5px;
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
}

.price-rate-item strong {
  display: block;
  color: var(--price-accent, var(--theme-primary));
  font-size: 22px;
  font-weight: 900;
  line-height: 1.15;
}

.price-rate-item del {
  display: block;
  margin-top: 5px;
  color: #94a3b8;
  font-size: 12px;
  line-height: 1;
}

.price-rate-disabled {
  background: #f6f8fb;
}

.price-rate-disabled strong {
  color: #94a3b8;
}

.price-feature {
  display: flex;
  align-items: center;
  min-height: 26px;
  margin: 0;
  color: #475569;
}

.price-icon {
  position: relative;
  display: inline-flex;
  flex: 0 0 18px;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin: 0 10px 0 0;
  border: 1px solid rgba(var(--theme-primary-rgb), 0.2);
  border-radius: 50%;
  background: rgba(var(--theme-primary-rgb), 0.08);
  color: var(--price-accent, var(--theme-primary));
  font-size: 0;
  line-height: 1;
}

.price-icon::before {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 7px;
  height: 4px;
  margin: 0;
  border-bottom: 2px solid currentColor;
  border-left: 2px solid currentColor;
  content: "" !important;
  font-family: initial !important;
  font-size: 0 !important;
  line-height: 1 !important;
  transform: translate(-50%, -58%) rotate(-45deg);
}

.price-feature-text {
  min-width: 0;
  color: #475569;
  font-size: 14px;
  line-height: 1.55;
}

.price-card-footer {
  padding: 0 22px 22px;
}

.price-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid var(--price-accent, var(--theme-primary));
  border-radius: 6px;
  background: var(--price-accent, var(--theme-primary));
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: filter 0.2s ease, transform 0.2s ease;
}

.price-btn:hover {
  color: #fff;
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.price-compare {
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid #dbe6f3;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.06);
}

.price-compare-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  border-bottom: 1px solid #e6edf5;
  background: #f8fbff;
}

.price-block-title {
  margin: 0;
  color: #152536;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0;
}

.price-compare-heading p {
  margin: 0;
  color: #64748b;
  font-size: 14px;
}

.price-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.price-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  color: #334155;
  font-size: 14px;
}

.price-table th,
.price-table td {
  padding: 15px 16px;
  border-bottom: 1px solid #e6edf5;
  text-align: left;
  vertical-align: middle;
}

.price-table thead th {
  background: #ffffff;
  color: #152536;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.price-table tbody th {
  color: #1f2d3d;
  font-weight: 800;
  white-space: nowrap;
}

.price-table tbody tr:nth-child(even) {
  background: #fbfdff;
}

.price-table tbody tr:hover {
  background: var(--theme-surface);
}

.price-table del {
  margin-right: 6px;
  color: #94a3b8;
  font-size: 13px;
}

.price-table strong {
  color: #e11d48;
  font-size: 18px;
  font-weight: 900;
}

.price-table tbody tr:last-child th,
.price-table tbody tr:last-child td {
  border-bottom: 0;
}

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

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

@media (max-width: 768px) {
  .price-section {
    padding: 48px 0 60px;
  }

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

  .price-section-title {
    font-size: 30px;
  }

  .price-section-subtitle {
    font-size: 15px;
  }

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

  .price-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  .price-compare-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .price-section-title {
    font-size: 26px;
  }

  .price-category-strip {
    grid-template-columns: 1fr;
  }

  .price-card-header,
  .price-card-body,
  .price-card-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .price-card-title {
    max-width: 100%;
    padding-right: 70px;
    font-size: 19px;
  }

  .price-card-badge {
    right: 14px;
  }

  .price-rate-item strong {
    font-size: 20px;
  }
}

.ph-ip-intro,
.ph-features,
.ph-specs,
.ph-news,
.price-grid,
.bangzhu-list,
.ph-footer {
  content-visibility: auto;
  contain-intrinsic-size: 1px 700px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}



.price-tabs {
  margin-top: 24px;
}

.price-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.price-tab-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin: 0 auto 20px;
  padding: 6px;
  border: 1px solid #dbe6f3;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.price-tab-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: #475569;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.price-tab-label i {
  margin-right: 9px;
  color: var(--theme-primary);
  font-size: 15px;
}

.price-tab-label span {
  font-size: 16px;
}

.price-tab-label em {
  margin-left: 8px;
  color: #94a3b8;
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
}

#price-tab-sk5:checked ~ .price-tab-nav .price-tab-label-sk5,
#price-tab-l2tp:checked ~ .price-tab-nav .price-tab-label-l2tp {
  border-color: rgba(var(--theme-primary-rgb), 0.25);
  background: var(--theme-primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(var(--theme-primary-rgb), 0.22);
}

#price-tab-sk5:checked ~ .price-tab-nav .price-tab-label-sk5 i,
#price-tab-l2tp:checked ~ .price-tab-nav .price-tab-label-l2tp i,
#price-tab-sk5:checked ~ .price-tab-nav .price-tab-label-sk5 em,
#price-tab-l2tp:checked ~ .price-tab-nav .price-tab-label-l2tp em {
  color: rgba(255, 255, 255, 0.86);
}

.price-tab-note {
  display: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 18px;
  padding: 18px 20px;
  border: 1px solid #dbe6f3;
  border-radius: 8px;
  background: #fff;
}

.price-tab-note p {
  margin: 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.7;
}

#price-tab-sk5:checked ~ .price-tab-note-sk5,
#price-tab-l2tp:checked ~ .price-tab-note-l2tp {
  display: flex;
}

#price-tab-sk5:checked ~ .price-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

#price-tab-l2tp:checked ~ .price-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 790px;
  margin-right: auto;
  margin-left: auto;
}

#price-tab-sk5:checked ~ .price-grid .price-card-l2tp-static,
#price-tab-sk5:checked ~ .price-grid .price-card-l2tp-home,
#price-tab-l2tp:checked ~ .price-grid .price-card-static,
#price-tab-l2tp:checked ~ .price-grid .price-card-j,
#price-tab-l2tp:checked ~ .price-grid .price-card-n,
#price-tab-l2tp:checked ~ .price-grid .price-card-android {
  display: none;
}

@media (max-width: 1100px) {
  #price-tab-sk5:checked ~ .price-grid,
  #price-tab-l2tp:checked ~ .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: none;
  }
}

@media (max-width: 768px) {
  .price-tabs {
    margin-top: 20px;
  }

  .price-tab-nav {
    max-width: 520px;
  }

  .price-tab-note {
    align-items: flex-start;
    flex-direction: column;
  }

  #price-tab-sk5:checked ~ .price-grid,
  #price-tab-l2tp:checked ~ .price-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
}

@media (max-width: 480px) {
  .price-tab-nav {
    gap: 8px;
    padding: 5px;
  }

  .price-tab-label {
    min-height: 54px;
    flex-direction: column;
    padding: 8px 6px;
  }

  .price-tab-label i {
    margin: 0 0 4px;
  }

  .price-tab-label span {
    font-size: 15px;
  }

  .price-tab-label em {
    margin: 4px 0 0;
  }
}

/* Local assets and confirmed content within the reference layout. */
.feature-icon{width:22px;height:22px;flex:none;color:#1999ff;align-self:center;margin-right:12px;display:inline-block}
.ph-feature-icon .feature-icon{margin:0;color:inherit;width:28px;height:28px}.ph-spec-card h3 .feature-icon{width:20px;height:20px;color:var(--theme-primary);vertical-align:middle;margin-right:5px}
.ph-ip-intro,.ph-features,.ph-specs,.ph-news,.price-grid,.bangzhu-list,.ph-footer{content-visibility:visible;contain-intrinsic-size:none}
.gz-hero-image img{object-fit:contain}.ph-overview-image .ph-product-img{object-fit:contain}
.price-rate-item small{font-size:10px;color:#94a3b8;display:block;margin-top:4px}.price-rate-disabled strong{font-size:14px}.custom-plans{margin-top:36px}.custom-note{display:flex}.custom-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.price-card-custom{--price-accent:#436db2}.price-caption{font-size:13px;color:#64748b;margin-top:26px;line-height:1.8}
.price-rate-item strong{white-space:nowrap}
.bangzhu-subnav-link{border:0;background:none;font-family:inherit;font-size:.95rem;line-height:1.6;cursor:pointer}.bangzhu-subnav-item.active .bangzhu-subnav-link{color:var(--theme-primary);border-bottom:2px solid var(--theme-primary)}.empty-state{padding:30px;color:#666;text-align:center}.result-count{display:block;border:1px solid #ddd;padding:8px 12px;color:var(--theme-primary)}
.price-tab-label i{display:flex;align-items:center;justify-content:center;width:18px;height:18px}.price-tab-label i .feature-icon{margin:0;width:15px;height:15px;color:inherit}
[hidden]{display:none!important}.neirong-content figure{margin:30px 0}.neirong-content figure img{height:auto;max-width:100%;display:block;cursor:zoom-in}.neirong-content figcaption{font-size:13px;color:#777;margin-top:10px;line-height:1.6}.article-cta{display:inline-block;padding:8px 15px;background:var(--theme-primary);color:white!important;border-radius:4px}.neirong-navigation a{color:var(--theme-primary);text-decoration:none}
.footer-qr{display:block;width:130px;height:auto;margin-top:14px}.qr-open{border:0;background:none;cursor:pointer}.ph-footer a.contact-link{color:#d1d5db;text-decoration:none}.ph-footer-bottom a{color:#d1d5db;text-decoration:none}.ph-footer-bottom img{vertical-align:middle;margin-right:4px}.footer-usage{font-size:13px;margin-top:20px;color:#c1c7d0}.text-copy{font:inherit;color:inherit;border:0;padding:0;background:transparent;cursor:pointer;text-align:left}.text-copy:hover{text-decoration:underline}
.support-dock{position:fixed;right:20px;bottom:165px;z-index:900;display:grid;gap:15px}.support-item{position:relative;width:50px;height:50px}.support-trigger{width:50px;height:50px;display:flex;align-items:center;justify-content:center;border:0;border-radius:50%;color:#fff;box-shadow:0 2px 10px #0000001a;cursor:pointer;transition:transform .3s,box-shadow .3s}.dock-qq{background:#12b7f5}.dock-wechat{background:#07c160}.support-trigger:hover{transform:translateY(-3px);box-shadow:0 5px 15px #00000026}.support-trigger:focus-visible{outline:3px solid #5f739b;outline-offset:4px}.support-trigger svg{width:24px;height:24px;fill:currentColor}
.support-panel{position:absolute;right:60px;bottom:0;width:160px;padding:15px;background:#fff;border-radius:8px;box-shadow:0 5px 20px #00000026;text-align:center;opacity:0;visibility:hidden;transform:translateX(5px);transition:opacity .2s,visibility .2s,transform .2s;color:#333}.support-panel::after{content:"";position:absolute;left:100%;top:0;width:12px;height:100%}.support-panel p{margin:0}.support-title{font-size:16px;font-weight:600;margin-bottom:15px!important}.support-number{font-size:17.6px;font-weight:700;color:#12b7f5;margin-bottom:10px!important}.support-copy{display:block;width:100%;padding:8px 0;background:#12b7f5;color:#fff;border:0;border-radius:4px;font:inherit;font-size:14px;cursor:pointer}.support-copy:hover{background:#0e9fd8}.support-panel img{display:block;width:100%;height:auto;border-radius:4px}.support-caption{font-size:14px;color:#666;margin-top:10px!important}.support-item:focus-within .support-panel{opacity:1;visibility:visible;transform:none}@media(hover:hover){.support-item:hover .support-panel{opacity:1;visibility:visible;transform:none}}@media(prefers-reduced-motion:reduce){.support-trigger,.support-panel{transition:none}}
dialog{border:0;border-radius:10px;padding:30px;max-width:calc(100% - 32px);color:#263244;box-shadow:0 16px 70px #0004;margin:auto}dialog::backdrop{background:#0007}dialog h2{font-size:24px;margin-bottom:16px}dialog p{margin:10px 0}dialog>img{display:block;margin:18px auto 0;height:auto}.dialog-close{position:absolute;right:10px;top:6px;font-size:26px;border:0;background:none;cursor:pointer;color:#555}.copy-status{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);background:#263244;color:white;padding:8px 16px;border-radius:4px;z-index:1200;display:none}.copy-status.visible{display:block}.skip-link{position:absolute;top:-60px;left:15px;z-index:2000;background:white;padding:10px;color:#263244}.skip-link:focus{top:8px}
@media(max-width:992px){.gz-feature-item .feature-icon{margin:0 0 10px}.ph-overview-image .ph-product-img{height:auto;max-height:560px}.gz-nav:not(.active){visibility:hidden}.gz-nav.active{visibility:visible}.custom-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:768px){.custom-grid{grid-template-columns:1fr;max-width:520px;margin:auto}.custom-note{align-items:flex-start;flex-direction:column}.support-dock{right:12px;bottom:165px}.gz-hero-image{max-height:none}.gz-hero-image img{height:auto}.neirong-content figure{margin:25px 0}}
@media(max-width:768px){.price-section~.support-dock,.neirong-wrapper~.support-dock{display:none}}