:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --login-button-color: #EA7C07;
    --background-color: #FFFFFF;
    --black-color: #000000;
}

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

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

.page-login__section {
    padding: 60px 0;
    text-align: center;
}

.page-login__section-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-login__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* HERO Section */
.page-login__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), #4CAF50); /* Example gradient */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 700px;
}

.page-login__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.page-login__hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-login__hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    color: var(--text-light);
    padding: 40px 20px;
    background-color: rgba(0, 0, 0, 0.4); /* Dark overlay for text readability */
    border-radius: 10px;
}

.page-login__main-title {
    font-size: clamp(28px, 4vw, 48px); /* Responsive font size */
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--text-light);
}

.page-login__description {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--text-light);
}

.page-login__login-form-wrapper {
    background-color: var(--background-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    margin: 0 auto;
    text-align: left;
}

.page-login__login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.page-login__form-group {
    margin-bottom: 15px;
}

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

.page-login__form-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
    color: var(--text-dark);
    background-color: var(--secondary-color);
}

.page-login__form-input::placeholder {
    color: #999;
}

.page-login__form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.page-login__btn-primary,
.page-login__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    text-align: center;
    max-width: 100%; /* For mobile button responsiveness */
    box-sizing: border-box; /* For mobile button responsiveness */
    white-space: normal; /* For mobile button responsiveness */
    word-wrap: break-word; /* For mobile button responsiveness */
}

.page-login__btn-primary {
    background-color: var(--login-button-color); /* Specific color for login */
    color: var(--text-light);
    border: 2px solid var(--login-button-color);
    flex: 1;
}

.page-login__btn-primary:hover {
    background-color: #D46F00; /* Slightly darker */
    border-color: #D46F00;
}

.page-login__btn-secondary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    flex: 1;
}

.page-login__btn-secondary:hover {
    background-color: #1a8cc4; /* Slightly darker */
    border-color: #1a8cc4;
}

.page-login__btn--large {
    padding: 15px 30px;
    font-size: 20px;
}

.page-login__form-links {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    font-size: 14px;
}

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

.page-login__forgot-password:hover,
.page-login__register-link:hover {
    color: #1a8cc4;
    text-decoration: underline;
}

/* Why Choose Section */
.page-login__why-choose-section {
    background-color: #f9f9f9;
}

.page-login__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-login__card {
    background-color: var(--secondary-color);
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-login__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.page-login__card-image {
    width: 100%;
    max-width: 150px; /* Adjust size for card icons/images */
    height: auto;
    margin-bottom: 20px;
    display: block;
    object-fit: contain;
}

.page-login__card-title {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-login__card-text {
    font-size: 16px;
    color: var(--text-dark);
}

/* Guide Section */
.page-login__guide-section {
    background-color: var(--primary-color);
    color: var(--text-light);
}

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

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

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

.page-login__guide-step {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-login__guide-image {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: contain;
}

.page-login__step-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-light);
    margin-bottom: 15px;
}

.page-login__guide-step p {
    font-size: 16px;
    color: var(--text-light);
}

.page-login__cta-section {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Benefits Section */
.page-login__benefits-section {
    background-color: var(--secondary-color);
}

.page-login__benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-login__benefit-item {
    background-color: #f5f5f5;
    padding: 30px;
    border-radius: 10px;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-login__benefit-title {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-login__benefit-item p {
    font-size: 16px;
    color: var(--text-dark);
}

/* Security Section */
.page-login__security-section {
    background-color: #f0f8ff; /* Light blue background */
    text-align: left;
}

.page-login__security-content {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-login__security-image {
    flex: 1;
    min-width: 300px;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    max-width: 50%;
}

.page-login__security-text {
    flex: 1;
    min-width: 300px;
    color: var(--text-dark);
}

.page-login__security-text p {
    margin-bottom: 20px;
    font-size: 17px;
}

/* FAQ Section */
details.page-login__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
    background: var(--secondary-color);
    text-align: left;
}
details.page-login__faq-item summary.page-login__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
}
details.page-login__faq-item summary.page-login__faq-question::-webkit-details-marker {
    display: none;
}
details.page-login__faq-item summary.page-login__faq-question:hover {
    background: #f5f5f5;
}
.page-login__faq-qtext {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-dark);
    text-align: left;
}
.page-login__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: #666;
    flex-shrink: 0;
    margin-left: 15px;
    width: 28px;
    text-align: center;
}
details.page-login__faq-item .page-login__faq-answer {
    padding: 0 20px 20px;
    background: #f9f9f9;
    border-radius: 0 0 5px 5px;
    color: var(--text-dark);
}

/* Conclusion Section */
.page-login__conclusion-section {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 80px 0;
}

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

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

.page-login__conclusion-section .page-login__description {
    max-width: 900px;
    margin: 0 auto 40px auto;
    font-size: 18px;
    line-height: 1.8;
}

/* --- Responsive Styles --- */

/* All images in content area */
.page-login img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* @media (max-width: 1024px) for general tablet adjustments */
@media (max-width: 1024px) {
    .page-login__section-title {
        font-size: 32px;
    }

    .page-login__hero-content {
        padding: 30px 15px;
    }

    .page-login__main-title {
        font-size: clamp(26px, 3.5vw, 42px);
    }

    .page-login__description {
        font-size: 17px;
    }

    .page-login__login-form-wrapper {
        max-width: 350px;
    }

    .page-login__btn-primary,
    .page-login__btn-secondary {
        font-size: 16px;
        padding: 10px 20px;
    }

    .page-login__btn--large {
        padding: 12px 25px;
        font-size: 18px;
    }

    .page-login__card {
        padding: 25px;
    }

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

    .page-login__guide-step {
        padding: 25px;
    }

    .page-login__step-title {
        font-size: 22px;
    }

    .page-login__security-content {
        flex-direction: column;
        text-align: center;
    }

    .page-login__security-image {
        max-width: 80%;
    }

    .page-login__security-text {
        min-width: unset;
    }
}


/* @media (max-width: 849px) for HERO image object-fit: contain */
@media (max-width: 849px) {
    .page-login__hero-image img {
        object-fit: contain !important; /* Prevents cropping */
        aspect-ratio: unset !important; /* Allows natural aspect ratio */
    }
    .page-login__hero-section {
        min-height: auto; /* Adjust min-height as image might be taller */
        padding-bottom: 40px;
    }
    .page-login__hero-content {
        background-color: rgba(0, 0, 0, 0.6); /* Slightly darker overlay for better text contrast */
    }
}


/* @media (max-width: 768px) for mobile-specific styles */
@media (max-width: 768px) {
    .page-login {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-login__container {
        padding: 0 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important; /* Prevents horizontal scroll */
    }

    .page-login__section {
        padding: 40px 0;
    }

    .page-login__section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    /* HERO 主图区域 */
    .page-login__hero-section {
        padding-top: 10px;
        padding-bottom: 30px;
        min-height: auto;
    }
    .page-login__hero-content {
        padding: 20px 15px;
        border-radius: 8px;
        max-width: 100%;
    }
    .page-login__main-title {
        font-size: clamp(24px, 7vw, 36px);
        margin-bottom: 15px;
    }
    .page-login__description {
        font-size: 15px;
        margin-bottom: 20px;
    }
    .page-login__login-form-wrapper {
        max-width: 100%;
        padding: 20px;
        border-radius: 8px;
    }
    .page-login__form-input {
        padding: 10px 12px;
        font-size: 15px;
    }
    .page-login__form-actions {
        flex-direction: column;
        gap: 10px;
    }
    .page-login__btn-primary,
    .page-login__btn-secondary,
    .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: 10px 15px !important;
        font-size: 16px !important;
    }
    .page-login__btn--large {
        padding: 12px 20px !important;
        font-size: 18px !important;
    }
    .page-login__form-links {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    /* 产品展示图区域 (not explicitly present, but included for completeness) */
    .page-login__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 装饰主标题 + 长文 SEO 区 */
    .page-login__section-title {
        text-align: center;
        padding: 0 10px 10px;
    }
    .page-login__section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .page-login__article-body,
    .page-login__security-text,
    .page-login__conclusion-section .page-login__description {
        max-width: 100% !important;
        padding: 0 10px;
        text-align: left;
    }
    .page-login__article-figure {
        margin: 0 auto;
        max-width: 100%;
    }

    /* 通用图片与容器 */
    .page-login img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-login__card-image,
    .page-login__guide-image,
    .page-login__security-image {
        max-width: 80% !important;
        margin-left: auto;
        margin-right: auto;
    }

    /* 按钮与按钮容器 */
    .page-login__cta-section {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }
    .page-login__cta-section a {
        width: 100%;
    }

    /* FAQ */
    details.page-login__faq-item summary.page-login__faq-question {
        padding: 15px;
    }
    .page-login__faq-qtext {
        font-size: 15px;
    }
    details.page-login__faq-item .page-login__faq-answer {
        padding: 0 15px 15px;
    }

    /* Security Section */
    .page-login__security-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
    }
    .page-login__security-image {
        max-width: 90%;
        min-width: unset;
    }
}