/* style/login.css */

:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --accent-color-login: #EA7C07; /* Custom color for login elements */
    --text-dark: #333333;
    --text-light: #ffffff;
    --border-color: #e0e0e0;
    --background-light: #f9f9f9;
}

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

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

/* 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 space for fixed header */
    background: linear-gradient(135deg, var(--primary-color) 0%, #36baf0 100%); /* 淡蓝色渐变 */
    color: var(--text-light);
    overflow: hidden; /* Ensure image doesn't overflow */
}

.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 potential background effects */
}

.page-login__hero-image {
    width: 100%;
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-login__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    object-fit: cover;
    filter: none; /* Ensure no filter changes image color */
}

.page-login__hero-content {
    text-align: center;
    width: 100%;
}

.page-login__main-heading {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--text-light);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-login__sub-heading {
    font-size: 20px;
    margin-bottom: 40px;
    color: var(--text-light);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.page-login__cta-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-login__cta-button {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-width: 180px;
    text-align: center;
}

.page-login__btn-primary {
    background: var(--accent-color-login); /* Use custom login color */
    color: var(--text-light);
    border: 2px solid var(--accent-color-login);
}

.page-login__btn-primary:hover {
    background: #c76706; /* Darken on hover */
    border-color: #c76706;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-login__btn-secondary:hover {
    background: var(--text-light);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Form Section */
.page-login__form-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
    color: var(--text-dark);
    text-align: center;
}

.page-login__section-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-login__section-description {
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.page-login__form-label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.page-login__form-input {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    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: 15px;
}

.page-login__remember-me {
    display: flex;
    align-items: center;
}

.page-login__checkbox {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.page-login__checkbox-label {
    color: var(--text-dark);
    cursor: pointer;
}

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

.page-login__forgot-password:hover {
    color: #1e87b7;
    text-decoration: underline;
}

.page-login__submit-button {
    width: 100%;
    padding: 15px 20px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    background: var(--accent-color-login); /* Use custom login color */
    color: var(--text-light);
}

.page-login__submit-button:hover {
    background: #c76706;
    transform: translateY(-2px);
}

.page-login__register-prompt {
    margin-top: 30px;
    font-size: 16px;
    color: var(--text-dark);
}

.page-login__register-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.page-login__register-link:hover {
    color: #1e87b7;
    text-decoration: underline;
}

/* Benefits Section */
.page-login__benefits-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #36baf0 0%, var(--primary-color) 100%); /* Darker background for contrast */
    color: var(--text-light);
    text-align: center;
}

.page-login__benefits-section .page-login__section-title {
    color: var(--text-light);
}

.page-login__benefits-section .page-login__section-description {
    color: var(--text-light);
}

.page-login__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-login__benefit-card {
    background: var(--secondary-color); /* Light background for card content */
    color: var(--text-dark);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.page-login__benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.page-login__benefit-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    filter: none; /* Ensure no filter changes image color */
}

.page-login__card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.page-login__card-text {
    font-size: 16px;
    color: #555555;
}

/* Platform Features Section */
.page-login__platform-features {
    padding: 80px 0;
    background-color: var(--background-light);
    color: var(--text-dark);
    text-align: center;
}

.page-login__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.page-login__feature-item {
    background: var(--secondary-color);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.page-login__feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.page-login__feature-image {
    width: 100%;
    height: 250px; /* Fixed height for consistent layout */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 25px;
    filter: none; /* Ensure no filter changes image color */
}

.page-login__feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.page-login__feature-text {
    font-size: 16px;
    color: #555555;
}

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

.page-login__cta-section .page-login__section-title {
    color: var(--text-light);
}

.page-login__cta-section .page-login__section-description {
    color: var(--text-light);
    margin-bottom: 50px;
}

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

.page-login__faq-list {
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* FAQ容器样式 */
.page-login__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* 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 20px; /* Adjusted padding */
    opacity: 0;
    color: #555555;
    text-align: left;
}

/* 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; /* 🚨 Use !important and a large value */
    padding: 20px !important; /* Adjusted padding */
    opacity: 1;
    background: var(--background-light);
    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: 18px 20px;
    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;
}

.page-login__faq-item.active .page-login__faq-question {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: none;
}

.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: 18px;
    font-weight: 600;
    line-height: 1.5;
    pointer-events: none; /* 防止h3标签阻止点击事件 */
    color: var(--text-dark);
    text-align: left;
}

/* 切换图标 */
.page-login__faq-toggle {
    font-size: 28px; /* Larger icon */
    font-weight: bold;
    line-height: 1;
    color: var(--primary-color); /* Use brand color for toggle */
    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; /* Larger hit area */
    height: 32px;
}

.page-login__faq-item.active .page-login__faq-toggle {
    transform: rotate(45deg); /* Rotate for 'x' effect */
    color: var(--accent-color-login); /* Change color when active */
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-login__main-heading {
        font-size: 40px;
    }
    .page-login__sub-heading {
        font-size: 18px;
    }
    .page-login__section-title {
        font-size: 32px;
    }
    .page-login__benefits-grid,
    .page-login__features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

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

    /* Hero Section */
    .page-login__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Mobile specific padding-top */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-login__hero-image {
        margin-bottom: 20px;
        border-radius: 8px;
    }

    .page-login__hero-image img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-login__main-heading {
        font-size: 32px;
        margin-bottom: 15px;
    }

    .page-login__sub-heading {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .page-login__cta-group {
        flex-direction: column;
        gap: 15px;
    }

    .page-login__cta-button {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 25px;
        font-size: 16px;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Form Section */
    .page-login__form-section,
    .page-login__benefits-section,
    .page-login__platform-features,
    .page-login__cta-section,
    .page-login__faq-section {
        padding: 40px 0;
    }

    .page-login__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-login__section-title {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .page-login__section-description {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .page-login__login-form {
        padding: 25px;
        border-radius: 8px;
    }

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

    .page-login__form-input {
        padding: 12px 15px;
        font-size: 15px;
    }

    .page-login__form-options {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 25px;
        gap: 10px;
    }

    .page-login__submit-button {
        padding: 12px 15px;
        font-size: 16px;
    }

    /* Benefits Grid */
    .page-login__benefits-grid {
        gap: 20px;
        margin-top: 30px;
    }

    .page-login__benefit-card {
        padding: 25px;
        border-radius: 8px;
    }

    .page-login__benefit-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }

    .page-login__card-title {
        font-size: 20px;
    }

    /* Features Grid */
    .page-login__features-grid {
        gap: 30px;
        margin-top: 30px;
    }

    .page-login__feature-item {
        padding: 25px;
        border-radius: 8px;
    }

    .page-login__feature-image {
        height: 200px;
        margin-bottom: 20px;
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-login__feature-title {
        font-size: 20px;
    }

    /* FAQ */
    .page-login__faq-list {
        margin-top: 30px;
    }

    .page-login__faq-item {
        margin-bottom: 10px;
        border-radius: 6px;
    }

    .page-login__faq-question {
        padding: 15px;
        flex-wrap: wrap;
        border-radius: 6px;
    }
    
    .page-login__faq-item.active .page-login__faq-question {
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }

    .page-login__faq-question h3 {
        font-size: 15px;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }

    .page-login__faq-toggle {
        margin-left: 10px;
        width: 28px;
        height: 28px;
        font-size: 24px;
    }

    .page-login__faq-answer {
        padding: 0 15px;
    }

    .page-login__faq-item.active .page-login__faq-answer {
        padding: 15px !important;
    }
}

/* Ensure all images are responsive and not filtered */
.page-login img {
    max-width: 100%;
    height: auto;
    display: block;
    filter: none; /* Absolutely no filter */
}

/* Ensure image containers do not cause overflow on mobile */
@media (max-width: 768px) {
    .page-login img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-login__section,
    .page-login__card,
    .page-login__container,
    .page-login__login-form,
    .page-login__benefits-grid,
    .page-login__features-grid,
    .page-login__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        /* Padding for sections is handled by their specific rules,
           but ensure containers within them also respect screen width */
    }
    
    .page-login__cta-buttons {
        display: flex;
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px; /* Add padding to button group itself */
    }
}

/* Color contrast enforcement */
/* Body background is var(--secondary-color) which is #FFFFFF, so text should be dark. */
.page-login {
  color: var(--text-dark); /* #333333 */
  background-color: var(--secondary-color); /* #FFFFFF */
}

.page-login__dark-section {
  background: var(--primary-color); /* #26A9E0 */
  color: var(--text-light); /* #ffffff */
}

.page-login__light-bg {
  background: var(--secondary-color); /* #FFFFFF */
  color: var(--text-dark); /* #333333 */
}

.page-login__card-title,
.page-login__feature-title {
  color: var(--primary-color); /* #26A9E0 */
}

.page-login__cta-button.page-login__btn-primary {
  background: var(--accent-color-login); /* #EA7C07 */
  color: var(--text-light); /* #ffffff */
}

.page-login__cta-button.page-login__btn-secondary {
  background: transparent;
  color: var(--text-light); /* #ffffff */
  border-color: var(--text-light); /* #ffffff */
}
.page-login__cta-button.page-login__btn-secondary:hover {
  background: var(--text-light);
  color: var(--primary-color);
}