:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg: #11271B;
    --background: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border: #2E7A4E;
    --glow: #57E38D;
    --gold: #F2C14E;
    --divider: #1E3A2A;
    --deep-green: #0A4B2C;
}

/* General Styles for the page-support scope */
.page-support {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* #F2FFF6 */
    background-color: var(--background); /* #08160F */
    padding-top: 0; /* Handled by body padding-top in shared.css */
}

.page-support__container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-support__section {
    padding: 60px 0;
}

.page-support__section-title {
    font-size: 3em;
    color: var(--gold); /* #F2C14E */
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.3);
}

.page-support__text-block {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: var(--text-main); /* #F2FFF6 */
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.page-support__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box;
    white-space: normal; /* Allow text wrap */
    word-wrap: break-word; /* Allow text wrap */
}

.page-support__btn-primary {
    background: var(--button-gradient);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-support__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

.page-support__btn-secondary {
    background: transparent;
    color: var(--text-main); /* #F2FFF6 */
    border: 2px solid var(--border); /* #2E7A4E */
    box-shadow: 0 4px 15px rgba(46, 122, 78, 0.2);
}

.page-support__btn-secondary:hover {
    background-color: var(--border); /* #2E7A4E */
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 122, 78, 0.4);
}

.page-support__btn-text {
    background: none;
    border: 1px solid var(--deep-green); /* #0A4B2C */
    color: var(--text-secondary); /* #A7D9B8 */
    padding: 10px 20px;
    font-size: 0.95em;
    border-radius: 5px;
}

.page-support__btn-text:hover {
    background-color: var(--deep-green); /* #0A4B2C */
    color: var(--text-main); /* #F2FFF6 */
}

.page-support__link-inline {
    color: var(--glow); /* #57E38D */
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-support__link-inline:hover {
    color: var(--gold); /* #F2C14E */
    text-decoration: underline;
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 10px; /* As per fixed header rule */
}

.page-support__hero-image-wrapper {
    width: 100%;
    height: 600px; /* Fixed height for desktop */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px; /* Space between image and content */
}

.page-support__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.7); /* Darken image for better text contrast, this is allowed as it's not changing image color, just brightness */
}

.page-support__hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

.page-support__main-title {
    font-size: clamp(2.5em, 5vw, 3.5em); /* H1 with clamp for responsiveness */
    color: var(--gold); /* #F2C14E */
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: bold;
    text-shadow: 0 0 15px rgba(242, 193, 78, 0.5);
}

.page-support__hero-description {
    font-size: 1.2em;
    color: var(--text-secondary); /* #A7D9B8 */
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* Introduction Section */
.page-support__introduction .page-support__text-block {
    text-align: left;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding: 0 20px;
}
.page-support__introduction .page-support__container {
    padding: 0;
}

/* Channels Section */
.page-support__channels {
    background-color: var(--card-bg); /* #11271B */
}

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

.page-support__card {
    background-color: var(--background); /* #08160F */
    border: 1px solid var(--divider); /* #1E3A2A */
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-support__card-image {
    width: 100%;
    height: 200px; /* Fixed height for card images */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
    min-width: 200px; /* Min size requirement */
    min-height: 200px; /* Min size requirement */
}

.page-support__card-title {
    font-size: 1.6em;
    color: var(--gold); /* #F2C14E */
    margin-bottom: 15px;
    font-weight: bold;
}

.page-support__card-description {
    color: var(--text-secondary); /* #A7D9B8 */
    font-size: 1em;
    margin-bottom: 25px;
    flex-grow: 1; /* Push button to bottom */
}

/* Common Issues Section */
.page-support__grid--two-columns {
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
}

.page-support__info-card {
    background-color: var(--card-bg); /* #11271B */
    border: 1px solid var(--deep-green); /* #0A4B2C */
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    color: var(--text-main); /* #F2FFF6 */
}

.page-support__info-card-title {
    font-size: 1.8em;
    color: var(--glow); /* #57E38D */
    margin-bottom: 20px;
    font-weight: bold;
}

.page-support__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-support__list li {
    margin-bottom: 10px;
    font-size: 1.05em;
    color: var(--text-secondary); /* #A7D9B8 */
}

.page-support__list li strong {
    color: var(--text-main); /* #F2FFF6 */
}

/* Commitment Section */
.page-support__commitment {
    background-color: var(--background); /* #08160F */
}

.page-support__container--flex {
    display: flex;
    align-items: center;
    gap: 50px;
}

.page-support__commitment-content {
    flex: 1;
    text-align: left;
}

.page-support__commitment-content .page-support__section-title {
    text-align: left;
}

.page-support__commitment-content .page-support__text-block {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
}

.page-support__commitment-image-wrapper {
    flex: 1;
    min-width: 400px; /* Ensure image has some width */
    max-width: 600px;
}

.page-support__commitment-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    display: block;
    min-width: 200px; /* Min size requirement */
    min-height: 200px; /* Min size requirement */
}

/* Tips Section */
.page-support__tips {
    background-color: var(--card-bg); /* #11271B */
}

.page-support__grid--three-columns {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-support__tip-card {
    background-color: var(--background); /* #08160F */
    border: 1px solid var(--divider); /* #1E3A2A */
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    color: var(--text-main); /* #F2FFF6 */
}

.page-support__tip-card-title {
    font-size: 1.5em;
    color: var(--gold); /* #F2C14E */
    margin-bottom: 15px;
    font-weight: bold;
}

.page-support__tip-card-description {
    color: var(--text-secondary); /* #A7D9B8 */
    font-size: 0.95em;
    flex-grow: 1;
}

/* Final CTA Section */
.page-support__final-cta {
    padding-bottom: 80px;
}

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

.page-support__cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap; /* Allow buttons to wrap */
}

/* Image responsive base styles */
.page-support img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-support__section-title {
        font-size: 2.5em;
    }

    .page-support__hero-image-wrapper {
        height: 500px;
    }

    .page-support__main-title {
        font-size: clamp(2.2em, 4.5vw, 3em);
    }

    .page-support__hero-description {
        font-size: 1.1em;
    }

    .page-support__grid--two-columns {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }

    .page-support__container--flex {
        flex-direction: column;
        gap: 30px;
    }

    .page-support__commitment-content .page-support__section-title {
        text-align: center;
    }

    .page-support__commitment-content .page-support__text-block {
        text-align: center;
    }
    
    .page-support__commitment-image-wrapper {
        min-width: unset;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    /* 1. 顶区标题 + 双 CTA */
    .page-support__hero-section {
        padding-top: 10px !important; /* Fixed header rule */
    }
    .page-support__hero-image-wrapper {
        height: 350px;
        margin-bottom: 20px;
    }
    .page-support__hero-content {
        padding: 0 15px 40px;
    }
    .page-support__main-title {
        font-size: clamp(2em, 8vw, 2.5em) !important; /* Ensure H1 adapts well */
        margin-bottom: 15px;
    }
    .page-support__hero-description {
        font-size: 1em;
        margin-bottom: 30px;
        padding: 0 10px;
    }
    .page-support__hero-cta-group {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        padding: 0 15px;
    }

    /* 2. 单栏长文容器 */
    .page-support__section {
        padding: 40px 0;
    }
    .page-support__container {
        padding: 0 15px !important; /* Add padding for container */
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-support__section-title {
        font-size: 2em !important;
        margin-bottom: 30px;
    }
    .page-support__text-block {
        font-size: 1em !important;
        text-align: left !important;
        margin-bottom: 15px;
        padding: 0;
    }
    .page-support__introduction .page-support__text-block {
        padding: 0;
    }
    .page-support__info-card {
        padding: 20px !important;
    }
    .page-support__info-card-title {
        font-size: 1.5em !important;
        margin-bottom: 15px;
    }
    .page-support__list li {
        font-size: 0.95em !important;
        margin-bottom: 8px;
    }
    .page-support__tip-card {
        padding: 20px !important;
    }
    .page-support__tip-card-title {
        font-size: 1.3em !important;
        margin-bottom: 10px;
    }
    .page-support__tip-card-description {
        font-size: 0.9em !important;
    }

    /* 3. 通用图片与 figure */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    .page-support__card-image {
        height: 180px !important; /* Adjust card image height for mobile */
    }
    .page-support__commitment-image {
        height: auto !important;
    }
    .page-support__hero-image {
        height: auto !important;
    }

    /* 4. 按钮与按钮容器 */
    .page-support__btn,
    .page-support__btn-primary,
    .page-support__btn-secondary,
    .page-support a[class*="button"],
    .page-support 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 !important;
        padding-right: 15px !important;
        font-size: 1em !important;
    }
    .page-support__hero-cta-group,
    .page-support__cta-group {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        flex-wrap: wrap !important;
        gap: 10px !important;
        flex-direction: column !important; /* Ensure vertical stacking for mobile CTAs */
    }

    /* 5. 注册教程与 FAQ 区块 (General content blocks) */
    .page-support__grid,
    .page-support__grid--two-columns,
    .page-support__grid--three-columns {
        grid-template-columns: 1fr !important; /* Stack all grid items */
        gap: 20px !important;
    }
}