/* style/login.css */

/* Variables */
:root {
    --primary-color: #26A9E0; /* 淡蓝色 */
    --secondary-color: #FFFFFF; /* 白色 */
    --login-button-color: #EA7C07; /* 登录按钮橙色 */
    --text-dark: #333333;
    --text-white: #ffffff;
    --border-light: #e0e0e0;
    --background-light-grey: #f9f9f9;
}

/* Base styles for the page content */
.page-login {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light background */
    background-color: var(--secondary-color); /* Body background is white, so dark text */
    padding-bottom: 60px; /* Space before footer */
}

/* Hero 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); /* Ensure content is below fixed header */
    background: linear-gradient(135deg, var(--primary-color), #1e88e5); /* Gradient using primary color shades */
    color: var(--text-white); /* White text on dark/gradient background */
    overflow: hidden; /* Ensure no overflow from images */
}

.page-login__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1; /* Ensure content is above any background effects */
}

.page-login__hero-content {
    text-align: center;
    width: 100%;
    margin-bottom: 40px;
}

.page-login__main-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--text-white); /* Explicitly white for contrast */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3); /* Enhance readability */
}

.page-login__main-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-white); /* Explicitly white for contrast */
}

.page-login__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-login__btn-primary,
.page-login__btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-login__btn-primary {
    background: var(--login-button-color); /* Orange for login CTA */
    color: var(--text-white);
    border: 2px solid var(--login-button-color);
}

.page-login__btn-primary:hover {
    background: #D26E06; /* Darker version of #EA7C07 */
    border-color: #D26E06;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.page-login__btn-secondary {
    background: var(--secondary-color); /* White background */
    color: var(--primary-color); /* Primary color text */
    border: 2px solid var(--primary-color);
}

.page-login__btn-secondary:hover {
    background: #2197C9; /* Darker version of #26A9E0 */
    color: var(--text-white);
    border-color: #2197C9;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.page-login__hero-image {
    width: 100%;
    margin-top: 40px;
    max-width: 800px; /* Limit image width in hero */
}

.page-login__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    filter: none; /* Ensure no filters are applied */
}

/* General Section Styles */
.page-login__section-title {
    font-size: 2.2em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
}

.page-login__section-title--white {
    color: var(--text-white);
}

.page-login__container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-login__light-bg {
    background-color: var(--secondary-color);
    color: var(--text-dark);
    padding: 60px 0;
}

.page-login__dark-bg {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 60px 0;
}

/* Login Form Section */
.page-login__form-section {
    padding: 60px 0;
}

.page-login__login-form {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: 0 auto;
    border: 1px solid var(--border-light);
}

.page-login__form-group {
    margin-bottom: 25px;
}

.page-login__form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1em;
}

.page-login__form-input {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 1em;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-login__form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(38, 169, 224, 0.2);
    outline: none;
}

.page-login__form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    font-size: 0.95em;
}

.page-login__checkbox-container {
    display: block;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    user-select: none;
    color: var(--text-dark);
}

.page-login__checkbox-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.page-login__checkbox-checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 4px;
    border: 1px solid var(--border-light);
}

.page-login__checkbox-container:hover .page-login__checkbox-input ~ .page-login__checkbox-checkmark {
    background-color: #ccc;
}

.page-login__checkbox-input:checked ~ .page-login__checkbox-checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-login__checkbox-checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.page-login__checkbox-input:checked ~ .page-login__checkbox-checkmark:after {
    display: block;
}

.page-login__checkbox-container .page-login__checkbox-checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

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

.page-login__forgot-password:hover {
    color: #2197C9; /* Darker version of --primary-color */
    text-decoration: underline;
}

.page-login__submit-button {
    width: 100%;
    padding: 15px;
    background-color: var(--login-button-color);
    color: var(--text-white);
    border: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-login__submit-button:hover {
    background-color: #D26E06; /* Darker version of #EA7C07 */
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-login__register-prompt {
    text-align: center;
    margin-top: 30px;
    font-size: 1em;
    color: var(--text-dark);
}

.page-login__register-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-login__register-link:hover {
    color: #2197C9; /* Darker version of --primary-color */
    text-decoration: underline;
}

/* Benefits Section */
.page-login__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-login__benefit-card {
    background: rgba(255, 255, 255, 0.15); /* Slightly transparent white on primary background */
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-login__benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-login__benefit-icon {
    width: 100%; /* Ensure images take up full card width */
    max-width: 200px; /* Max width for icons */
    height: auto;
    object-fit: contain;
    margin-bottom: 20px;
    border-radius: 8px;
    min-width: 200px; /* Enforce minimum display size */
    min-height: 200px; /* Enforce minimum display size */
    filter: none; /* Ensure no filters are applied */
}

.page-login__benefit-icon img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    filter: none; /* Ensure no filters are applied */
}

.page-login__benefit-title {
    font-size: 1.4em;
    color: var(--text-white);
    margin-bottom: 15px;
}

.page-login__benefit-description {
    font-size: 1em;
    color: var(--text-white);
    line-height: 1.6;
}

/* CTA Download Section */
.page-login__cta-download-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-login__description {
    font-size: 1.1em;
    margin-bottom: 30px;
    max-width: 700px;
    color: var(--text-dark);
}

.page-login__download-app-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    margin-top: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    object-fit: cover;
    min-width: 200px; /* Enforce minimum display size */
    min-height: 200px; /* Enforce minimum display size */
    filter: none; /* Ensure no filters are applied */
}

/* FAQ Section */
.page-login__faq-section {
    padding: 60px 0;
}

.page-login__faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.page-login__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: border-color 0.3s ease;
}

.page-login__faq-item.active {
    border-color: var(--primary-color);
}

.page-login__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background: var(--secondary-color);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease;
    position: relative;
    color: var(--text-dark);
}

.page-login__faq-question:hover {
    background: var(--background-light-grey);
}

.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;
    color: var(--text-dark);
}

.page-login__faq-toggle {
    font-size: 24px;
    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;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
}

.page-login__faq-item.active .page-login__faq-toggle {
    transform: rotate(45deg); /* Or simply change text content in JS */
    color: var(--login-button-color);
}

.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;
    background: var(--background-light-grey);
    color: var(--text-dark);
}

.page-login__faq-item.active .page-login__faq-answer {
    max-height: 2000px !important; /* Sufficiently large to contain content */
    padding: 20px 25px !important;
    opacity: 1;
    border-top: 1px solid var(--border-light);
}

/* Contact Promo Section */
.page-login__contact-promo {
    padding: 80px 0;
    text-align: center;
}

.page-login__contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-login__description--white {
    color: var(--text-white);
}

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

.page-login__btn-secondary--white:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-login__main-title {
        font-size: 2.5em;
    }
    .page-login__section-title {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    /* Mobile Hero Section */
    .page-login__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Mobile specific header offset */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-login__hero-content {
        margin-bottom: 30px;
    }
    .page-login__main-title {
        font-size: 2em;
    }
    .page-login__main-description {
        font-size: 1em;
    }
    .page-login__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-login__btn-primary,
    .page-login__btn-secondary,
    .page-login__submit-button,
    .page-login a[class*="button"],
    .page-login a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-login__cta-buttons,
    .page-login__button-group,
    .page-login__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }

    /* General Section Styles for mobile */
    .page-login__light-bg,
    .page-login__dark-bg,
    .page-login__form-section,
    .page-login__benefits-section,
    .page-login__cta-download-section,
    .page-login__faq-section,
    .page-login__contact-promo {
        padding: 40px 0;
    }
    .page-login__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }
    .page-login__container {
        padding: 0 15px;
    }

    /* Login Form Section */
    .page-login__login-form {
        padding: 30px 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    .page-login__form-group {
        margin-bottom: 20px;
    }
    .page-login__form-label {
        font-size: 1em;
    }
    .page-login__form-input {
        padding: 12px;
    }
    .page-login__form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 20px;
    }
    .page-login__forgot-password {
        margin-left: 30px; /* Align with checkbox */
    }

    /* Benefits Section */
    .page-login__benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-login__benefit-card {
        padding: 25px;
    }
    .page-login__benefit-title {
        font-size: 1.2em;
    }
    .page-login__benefit-description {
        font-size: 0.95em;
    }
    .page-login__benefit-icon {
        max-width: 150px;
        min-width: unset; /* Allow flex to shrink, but max-width: 100% will prevent overflow */
        min-height: unset;
        width: 100%; /* Take full width on mobile */
        height: auto;
    }

    /* CTA Download Section */
    .page-login__description {
        font-size: 1em;
    }
    .page-login__download-app-image {
        max-width: 100%;
        margin-top: 30px;
        min-width: unset;
        min-height: unset;
        width: 100%;
        height: auto;
    }

    /* FAQ Section */
    .page-login__faq-list {
        margin-top: 30px;
    }
    .page-login__faq-question {
        padding: 15px 20px;
    }
    .page-login__faq-question h3 {
        font-size: 1em;
    }
    .page-login__faq-toggle {
        font-size: 20px;
        width: 25px;
        height: 25px;
    }
    .page-login__faq-answer {
        padding: 0 20px;
    }
    .page-login__faq-item.active .page-login__faq-answer {
        padding: 15px 20px !important;
    }

    /* Images within content areas */
    .page-login img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        object-fit: cover; /* Ensure images don't stretch */
    }
    .page-login__section,
    .page-login__card,
    .page-login__container,
    .page-login__cta-download-content,
    .page-login__contact-content {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* Ensure all images in content areas are at least 200x200px (display size) */
/* The min-width/height here are for larger screens, mobile uses max-width: 100% */
.page-login__benefit-icon,
.page-login__download-app-image {
    min-width: 200px; /* Enforce minimum display size on larger screens */
    min-height: 200px; /* Enforce minimum display size on larger screens */
}

/* No filter properties for images */
.page-login img {
    filter: none; /* Explicitly ensure no filters are applied */
}