:root {
    --primary-color: #017439; /* Kubet77 Green */
    --secondary-color: #FFFFFF; /* White */
    --button-login-bg: #C30808; /* Custom Login/Register Button Background */
    --text-on-dark-bg: #FFFFFF; /* White text for dark backgrounds */
    --text-on-light-bg: #333333; /* Dark text for light backgrounds */
    --general-bg-color: #FFFFFF; /* General page background */
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

.page-login {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-on-light-bg); /* Default text color for light body background */
    background-color: var(--general-bg-color); /* Default page background */
}

/* Fixed Header Offset - Apply to the first main content section */
.page-login__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: var(--header-offset, 120px); /* Ensures content is not hidden by fixed header */
    background: linear-gradient(135deg, var(--primary-color), #004d2b); /* Gradient for hero section */
    color: var(--text-on-dark-bg);
    overflow: hidden; /* Prevent content overflow */
}

.page-login__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.page-login__hero-image {
    width: 100%;
    height: auto; /* Ensures aspect ratio is maintained */
    max-width: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 30px;
    filter: none; /* Ensure no CSS filter is applied */
}

.page-login__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.page-login__main-title {
    font-size: 3.2em;
    margin-bottom: 15px;
    font-weight: bold;
    color: var(--text-on-dark-bg);
}

.page-login__description {
    font-size: 1.2em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-on-dark-bg);
}

.page-login__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--button-login-bg); /* Custom login button color */
    color: var(--text-on-dark-bg); /* White text for contrast on red button */
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-login__cta-button:hover {
    background: #a90707; /* Darker red */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* General Section Styles */
.page-login__section-title {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-weight: bold;
}

.page-login__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Form Section */
.page-login__form-section {
    padding: 80px 0;
    background-color: var(--general-bg-color);
    color: var(--text-on-light-bg);
}

.page-login__form-wrapper {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--shadow-color);
    max-width: 500px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
}

.page-login__login-form {
    display: flex;
    flex-direction: column;
}

.page-login__form-group {
    margin-bottom: 20px;
}

.page-login__form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--text-on-light-bg);
}

.page-login__form-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.page-login__form-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(1, 116, 57, 0.2);
}

.page-login__form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 0.95em;
}

.page-login__remember-me {
    display: flex;
    align-items: center;
    color: var(--text-on-light-bg);
}

.page-login__checkbox {
    margin-right: 8px;
    accent-color: var(--primary-color);
}

.page-login__forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-login__forgot-password:hover {
    color: #005f31; /* Darker green */
    text-decoration: underline;
}

.page-login__submit-button {
    width: 100%;
    padding: 15px;
    background: var(--button-login-bg); /* Custom login button color */
    color: var(--text-on-dark-bg); /* White text for contrast on red button */
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-login__submit-button:hover {
    background: #a90707; /* Darker red */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-login__register-prompt {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
    color: var(--text-on-light-bg);
}

.page-login__register-prompt p {
    margin-bottom: 15px;
}

.page-login__register-button {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color); /* Primary color for register button */
    color: var(--text-on-dark-bg);
    text-decoration: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-login__register-button:hover {
    background: #005f31; /* Darker green */
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

/* Security Section */
.page-login__security-section {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--text-on-dark-bg);
    text-align: center;
}

.page-login__security-section .page-login__section-title {
    color: var(--text-on-dark-bg);
}

.page-login__text-block {
    max-width: 800px;
    margin: 0 auto 50px auto;
    font-size: 1.1em;
    line-height: 1.7;
}

.page-login__security-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.page-login__feature-item {
    background: rgba(255, 255, 255, 0.1); /* Semi-transparent white on primary background */
    padding: 30px;
    border-radius: 8px;
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-on-dark-bg); /* Ensure text is white */
}

.page-login__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.page-login__feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
    filter: none; /* Ensure no CSS filter is applied */
}

.page-login__feature-title {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: var(--text-on-dark-bg);
}

.page-login__feature-description {
    font-size: 0.95em;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}

/* Benefits Section */
.page-login__benefits-section {
    padding: 80px 0;
    background-color: var(--general-bg-color);
    color: var(--text-on-light-bg);
    text-align: center;
}

.page-login__benefits-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.page-login__benefit-item {
    background: var(--secondary-color);
    padding: 30px;
    border-radius: 8px;
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-on-light-bg);
}

.page-login__benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-login__benefit-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    object-fit: contain;
    filter: none; /* Ensure no CSS filter is applied */
}

.page-login__benefit-title {
    font-size: 1.3em;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.page-login__benefit-description {
    font-size: 0.9em;
    line-height: 1.5;
    color: var(--text-on-light-bg);
}

/* FAQ Section */
.page-login__faq-section {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--text-on-dark-bg);
}

.page-login__faq-section .page-login__section-title {
    color: var(--text-on-dark-bg);
}

.page-login__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
}

/* FAQ容器样式 */
.page-login__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--secondary-color);
    box-shadow: 0 2px 10px var(--shadow-color);
}

/* FAQ默认状态 - 答案隐藏 */
.page-login__faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    padding: 0 25px;
    opacity: 0;
    color: var(--text-on-light-bg);
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-login__faq-item.active .page-login__faq-answer {
    max-height: 2000px !important; /* 🚨 使用!important确保优先级，值足够大以容纳任何内容 */
    padding: 20px 25px !important;
    opacity: 1;
    background: #f9f9f9; /* Slightly off-white for distinction */
    border-radius: 0 0 8px 8px;
    border-top: 1px solid var(--border-color);
}

/* 问题样式 */
.page-login__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
    color: var(--text-on-light-bg);
}

.page-login__faq-question:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
}

.page-login__faq-question:active {
    background: #eeeeee;
}

/* 问题标题样式 */
.page-login__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 1.15em;
    font-weight: 600;
    line-height: 1.5;
    pointer-events: none; /* 防止h3标签阻止点击事件 */
    color: var(--primary-color);
}

/* 切换图标 */
.page-login__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    color: var(--primary-color);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none; /* 防止图标阻止点击事件 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.page-login__faq-item.active .page-login__faq-toggle {
    color: var(--primary-color);
    transform: rotate(45deg); /* Rotate to form 'X' or '-' */
}

/* CTA Download Section */
.page-login__cta-download-section {
    padding: 80px 0;
    background-color: var(--general-bg-color);
    text-align: center;
    color: var(--text-on-light-bg);
}

.page-login__cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-login__cta-content .page-login__section-title {
    color: var(--primary-color);
}

.page-login__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    width: 100%; /* Ensure container takes full width */
    max-width: 600px; /* Limit max width for button group */
    box-sizing: border-box;
    padding: 0 15px; /* Add padding to prevent overflow */
}

.page-login__download-button {
    display: inline-block;
    padding: 15px 35px;
    background: var(--primary-color);
    color: var(--text-on-dark-bg);
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    flex-grow: 1; /* Allow buttons to grow */
    min-width: 200px; /* Minimum width for buttons */
}

.page-login__download-button:hover {
    background: #005f31; /* Darker green */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-login__app-image {
    margin-top: 50px;
    max-width: 800px;
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    object-fit: cover;
    filter: none; /* Ensure no CSS filter is applied */
}

/* General button styles for consistency */
.page-login__btn-login {
    background: var(--button-login-bg);
    color: var(--text-on-dark-bg);
}

.page-login__btn-login:hover {
    background: #a90707;
}

.page-login__btn-register {
    background: var(--primary-color);
    color: var(--text-on-dark-bg);
}

.page-login__btn-register:hover {
    background: #005f31;
}

.page-login__btn-primary {
    background: var(--primary-color);
    color: var(--text-on-dark-bg);
}

.page-login__btn-primary:hover {
    background: #005f31;
}

.page-login__btn-secondary {
    background: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-login__btn-secondary:hover {
    background: #f0f0f0;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    .page-login__main-title {
        font-size: 2.8em;
    }
    .page-login__description {
        font-size: 1.1em;
    }
    .page-login__section-title {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    .page-login__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Mobile specific offset */
        padding-bottom: 40px;
    }

    .page-login__main-title {
        font-size: 2.2em;
    }

    .page-login__description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-login__cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-login__form-section,
    .page-login__security-section,
    .page-login__benefits-section,
    .page-login__faq-section,
    .page-login__cta-download-section {
        padding: 50px 0;
    }

    .page-login__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-login__form-wrapper {
        padding: 30px 20px;
    }

    .page-login__form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .page-login__security-features,
    .page-login__benefits-grid {
        flex-direction: column;
        align-items: center;
    }

    .page-login__feature-item,
    .page-login__benefit-item {
        min-width: unset;
        width: 100%;
        max-width: 400px; /* Constrain max width for single column */
    }

    .page-login__faq-question {
        padding: 15px 20px;
    }
    
    .page-login__faq-question h3 {
        font-size: 1em;
    }
    
    .page-login__faq-toggle {
        font-size: 24px;
        width: 28px;
        height: 28px;
    }
    
    .page-login__faq-item.active .page-login__faq-answer {
        padding: 15px 20px !important;
    }

    .page-login__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px; /* Ensure padding on mobile */
    }

    .page-login__download-button {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Mobile image responsiveness */
    .page-login img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important; /* Ensure padding/border don't cause overflow */
    }
    
    .page-login__container,
    .page-login__hero-container,
    .page-login__form-wrapper,
    .page-login__security-features,
    .page-login__benefits-grid,
    .page-login__faq-list,
    .page-login__cta-content {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}

/* Ensure images and buttons do not use filters */
.page-login img,
.page-login__feature-icon,
.page-login__benefit-icon {
    filter: none;
}