:root {
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --card-bg: #10233F;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --border: #244D84;
    --glow: #4FA8FF;
    --gold: #F2C14E;
    --divider: #1B3357;
    --deep-navy: #08162B;
}

/* Base styles for the partners page */
.page-partners {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* Light text on dark body background */
    background-color: var(--deep-navy); /* From shared.css */
}

/* Hero Section */
.page-partners__hero-section {
    position: relative;
    width: 100%;
    padding-top: 10px; /* Small top padding, body handles header offset */
    background-color: var(--deep-navy);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-partners__hero-image-wrapper {
    width: 100%;
    max-height: 500px; /* Limit height on desktop */
    overflow: hidden;
    position: relative;
}

.page-partners__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover; /* Desktop: cover */
    object-position: center;
    filter: brightness(0.7); /* Slightly darken image for text readability */
}

.page-partners__hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    max-width: 800px;
    padding: 20px;
    z-index: 2;
    color: var(--text-main);
}

.page-partners__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--gold); /* Gold color for main title */
}

.page-partners__hero-description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.page-partners__hero-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    background: var(--button-gradient); /* Button color */
    color: #ffffff;
    border: none;
}

.page-partners__hero-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* General Section Styling */
.page-partners__section {
    padding: 60px 0;
    text-align: center;
    background-color: var(--deep-navy); /* Default section background */
}

.page-partners__dark-section {
    background-color: var(--card-bg); /* Use card background for dark sections */
    color: var(--text-main);
}

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

.page-partners__section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gold); /* Gold color for section titles */
}

.page-partners__section-description {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: var(--text-secondary);
}

/* Card Styling */
.page-partners__card {
    background-color: var(--card-bg); /* Card background color */
    border: 1px solid var(--border); /* Border color */
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%; /* Ensure cards in grid have same height */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: var(--text-main); /* Light text on dark card */
}

.page-partners__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-partners__card img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-bottom: 20px;
    border-radius: 8px;
}

/* Why Partner Section */
.page-partners__why-partner {
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-partners__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-partners__feature-icon {
    width: 200px; /* Minimum size requirement */
    height: auto; /* Maintain aspect ratio */
    object-fit: contain;
    margin-bottom: 20px;
}

.page-partners__feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

.page-partners__feature-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Partner Programs Section */
.page-partners__partner-programs {
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-partners__program-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-partners__program-icon {
    width: 200px; /* Minimum size requirement */
    height: auto; /* Maintain aspect ratio */
    object-fit: contain;
    margin-bottom: 20px;
}

.page-partners__program-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

.page-partners__program-text {
    font-size: 1rem;
    color: var(--text-secondary);
    flex-grow: 1; /* Push button to bottom */
}

.page-partners__program-card .page-partners__btn-secondary {
    margin-top: 25px;
}

/* How to Join Section */
.page-partners__how-to-join {
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-partners__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.page-partners__step-card {
    position: relative;
    padding-top: 60px; /* Space for number */
}

.page-partners__step-icon {
    width: 100%; /* Ensure full width for card images */
    height: auto;
    object-fit: cover;
    margin-bottom: 20px;
}

.page-partners__step-number {
    position: absolute;
    top: 0px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--glow); /* Glow color for step number */
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--gold); /* Gold border */
    z-index: 1;
}

.page-partners__step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

.page-partners__step-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

.page-partners__cta-buttons {
    margin-top: 40px;
}

/* FAQ Section */
.page-partners__faq-section {
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-partners__faq-list {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

details.page-partners__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid var(--border); /* Border color */
    overflow: hidden;
    background-color: var(--card-bg); /* Card background for FAQ items */
    color: var(--text-main);
}
details.page-partners__faq-item summary.page-partners__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;
    color: var(--text-main);
}
details.page-partners__faq-item summary.page-partners__faq-question::-webkit-details-marker {
    display: none;
}
details.page-partners__faq-item summary.page-partners__faq-question:hover {
    background-color: rgba(255, 255, 255, 0.05); /* Slightly lighter hover for dark background */
}
.page-partners__faq-qtext {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--text-main);
}
.page-partners__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: var(--gold); /* Gold color for toggle icon */
    flex-shrink: 0;
    margin-left: 15px;
    width: 28px;
    text-align: center;
}
details.page-partners__faq-item .page-partners__faq-answer {
    padding: 0 20px 20px;
    background-color: rgba(0, 0, 0, 0.2); /* Slightly darker background for answer */
    border-radius: 0 0 5px 5px;
    color: var(--text-secondary);
}
.page-partners__faq-answer p {
    margin: 0;
    padding: 0;
    font-size: 1rem;
    color: var(--text-secondary);
}


/* Contact CTA Section */
.page-partners__contact-cta {
    padding-top: 80px;
    padding-bottom: 80px;
    background-color: var(--deep-navy);
}

.page-partners__text-center {
    text-align: center;
}

/* Buttons */
.page-partners__btn-primary,
.page-partners__btn-secondary,
.page-partners a[class*="button"],
.page-partners a[class*="btn"] {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    max-width: 100%; /* Base responsive for all buttons */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-partners__btn-primary {
    background: var(--button-gradient); /* Button color */
    color: #ffffff;
    border: none;
}

.page-partners__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-partners__btn-secondary {
    background: transparent;
    color: var(--gold); /* Gold text for secondary button */
    border: 2px solid var(--gold); /* Gold border */
}

.page-partners__btn-secondary:hover {
    background: rgba(242, 193, 78, 0.1); /* Light gold background on hover */
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Global image responsive */
.page-partners img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile (max-width: 1024px) */
@media (max-width: 1024px) {
    .page-partners__hero-title {
        font-size: clamp(2rem, 4vw, 3rem);
    }
    .page-partners__hero-description {
        font-size: 1rem;
    }
    .page-partners__section-title {
        font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    }
    .page-partners__section-description {
        font-size: 0.95rem;
    }
}

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

    /* HERO 主图区域 */
    .page-partners__hero-section {
        padding-top: 10px !important; /* Small top padding for mobile */
    }
    .page-partners__hero-image-wrapper {
        max-height: 250px;
    }
    .page-partners__hero-image {
        object-fit: contain !important; /* Mobile: contain */
        aspect-ratio: unset !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-partners__hero-content {
        position: static;
        transform: none;
        padding: 20px 15px;
        background: rgba(0, 0, 0, 0.6);
        margin-top: -80px; /* Pull content up over image a bit */
    }
    .page-partners__hero-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
        margin-bottom: 15px;
    }
    .page-partners__hero-description {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }
    .page-partners__hero-button {
        padding: 12px 25px;
        font-size: 1rem;
        width: 100% !important;
        max-width: 100% !important;
    }

    /* General Section Styling */
    .page-partners__section {
        padding: 40px 0;
    }
    .page-partners__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-partners__section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-bottom: 15px;
    }
    .page-partners__section-description {
        font-size: 0.9rem;
        margin-bottom: 30px;
    }

    /* 产品展示图区域 (features-grid) - 确保不是 gameshow 类型 */
    .page-partners__features-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
        overflow-x: hidden; /* Prevent horizontal scroll */
    }
    .page-partners__feature-icon {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
    }
    .page-partners__feature-title {
        font-size: 1.3rem;
    }
    .page-partners__feature-text {
        font-size: 0.9rem;
    }

    /* Partner Programs Section (program-cards) */
    .page-partners__program-cards {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
        overflow-x: hidden; /* Prevent horizontal scroll */
    }
    .page-partners__program-icon {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
    }
    .page-partners__program-title {
        font-size: 1.3rem;
    }
    .page-partners__program-text {
        font-size: 0.9rem;
    }
    .page-partners__program-card .page-partners__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
    }

    /* How to Join Section (steps-grid) */
    .page-partners__steps-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
        overflow-x: hidden; /* Prevent horizontal scroll */
    }
    .page-partners__step-card {
        padding-top: 40px;
    }
    .page-partners__step-icon {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
    }
    .page-partners__step-number {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    .page-partners__step-title {
        font-size: 1.3rem;
    }
    .page-partners__step-text {
        font-size: 0.9rem;
    }

    /* Buttons */
    .page-partners__btn-primary,
    .page-partners__btn-secondary,
    .page-partners a[class*="button"],
    .page-partners 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-partners__cta-buttons,
    .page-partners__button-group,
    .page-partners__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;
        display: flex;
        flex-direction: column; /* Stack buttons vertically */
    }

    /* FAQ Section */
    details.page-partners__faq-item summary.page-partners__faq-question {
        padding: 15px;
    }
    .page-partners__faq-qtext {
        font-size: 15px;
    }
    details.page-partners__faq-item .page-partners__faq-answer {
        padding: 0 15px 15px;
    }
    .page-partners__faq-answer p {
        font-size: 0.9rem;
    }

    /* 通用图片与容器 */
    .page-partners img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-partners__section,
    .page-partners__card,
    .page-partners__container,
    .page-partners__features-grid,
    .page-partners__program-cards,
    .page-partners__steps-grid,
    .page-partners__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* Ensure no filter is applied to images */
.page-partners img {
    filter: none;
}