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

.page-download {
    font-family: 'Arial', sans-serif;
    color: var(--text-main);
    background-color: var(--background-color);
    line-height: 1.6;
}

.page-download__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background-color: var(--deep-green);
    text-align: center;
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 1920px; /* Adjust based on typical hero image width */
    margin-bottom: 20px;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-download__hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding-top: 20px;
}

.page-download__main-title {
    font-size: 2.8em;
    font-weight: bold;
    color: var(--gold-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-download__description {
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.page-download__cta-button {
    display: inline-block;
    background: var(--button-gradient);
    color: var(--text-main);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-download__section-title {
    font-size: 2.2em;
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
}

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

.page-download__card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-main);
}

.page-download__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.page-download__card-image {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-download__card-title {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 15px;
}

.page-download__card-text {
    font-size: 0.95em;
    color: var(--text-secondary);
    line-height: 1.7;
}

.page-download__guide-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.page-download__guide-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    color: var(--text-main);
}

.page-download__guide-title {
    font-size: 1.8em;
    color: var(--gold-color);
    margin-bottom: 25px;
    text-align: center;
}

.page-download__step-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.page-download__step-list li {
    margin-bottom: 15px;
    font-size: 1.05em;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
}

.page-download__step-list li p {
    margin: 0;
    padding-left: 10px;
}

.page-download__step-list li::before {
    content: attr(data-step);
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-main);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    font-weight: bold;
    font-size: 0.9em;
    flex-shrink: 0;
}

.page-download__step-list li:nth-child(1)::before { content: '1'; }
.page-download__step-list li:nth-child(2)::before { content: '2'; }
.page-download__step-list li:nth-child(3)::before { content: '3'; }
.page-download__step-list li:nth-child(4)::before { content: '4'; }
.page-download__step-list li:nth-child(5)::before { content: '5'; }

.page-download__guide-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    margin-top: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.page-download__important-notes {
    background-color: var(--deep-green);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    color: var(--text-main);
}

.page-download__note-list {
    list-style: disc;
    padding-left: 25px;
    color: var(--text-secondary);
}

.page-download__note-list li {
    margin-bottom: 10px;
    font-size: 1em;
}

.page-download__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.page-download__feature-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    color: var(--text-main);
}

.page-download__feature-icon {
    width: 100%;
    height: auto;
    max-width: 150px;
    margin: 0 auto 20px auto;
    display: block;
}

.page-download__feature-title {
    font-size: 1.4em;
    color: var(--gold-color);
    margin-bottom: 10px;
}

.page-download__feature-text {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.page-download__video-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    background-color: var(--deep-green);
    text-align: center;
    padding-top: 10px; /* Small top padding, body handles header offset */
}

.page-download__video-wrapper {
    position: relative;
    width: 100%; /* Important for desktop as well */
    max-width: 800px; /* Max width of the video player */
    margin: 0 auto 30px auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    cursor: pointer;
}

.page-download__video-caption {
    font-size: 1em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
}

.page-download__cta-button--video, .page-download__cta-button--conclusion {
    margin-top: 20px;
}

.page-download__faq-section {
    background-color: var(--background-color);
}

.page-download__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-download__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main);
}

.page-download__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    list-style: none;
    font-size: 1.15em;
    font-weight: bold;
    color: var(--text-main);
    transition: background-color 0.3s ease;
}

.page-download__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-download__faq-item summary:hover {
    background-color: rgba(var(--primary-color-rgb), 0.1);
}

.page-download__faq-qtext {
    color: var(--gold-color);
}

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
    transform: rotate(45deg);
}

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.7;
}

.page-download__faq-answer p {
    margin: 0;
}

.page-download__conclusion {
    text-align: center;
    background-color: var(--deep-green);
    border-radius: 10px;
    padding: 50px 30px;
}

.page-download__conclusion-text {
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-download__main-title {
        font-size: 2.4em;
    }
    .page-download__section-title {
        font-size: 1.8em;
    }
    .page-download__grid-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .page-download__feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-download__hero-section {
        padding: 40px 15px;
    }
    .page-download__main-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }
    .page-download__description {
        font-size: 0.95em;
        margin-bottom: 20px;
    }
    .page-download__cta-button {
        padding: 12px 25px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-download__section {
        padding: 40px 15px;
    }
    .page-download__section-title {
        font-size: 1.6em;
        margin-bottom: 30px;
    }
    .page-download__grid-container,
    .page-download__feature-grid {
        grid-template-columns: 1fr;
    }
    .page-download__card {
        padding: 20px;
    }
    .page-download__card-title {
        font-size: 1.3em;
    }
    .page-download__guide-item {
        padding: 20px;
    }
    .page-download__guide-title {
        font-size: 1.5em;
        margin-bottom: 20px;
    }
    .page-download__step-list li p {
        font-size: 0.95em;
    }
    .page-download__important-notes {
        padding: 20px;
    }
    .page-download__note-list {
        padding-left: 20px;
    }

    .page-download img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-download__hero-image-wrapper,
    .page-download__card,
    .page-download__guide-item,
    .page-download__feature-item,
    .page-download__important-notes,
    .page-download__faq-item,
    .page-download__conclusion {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-download video,
    .page-download__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-download__video-section {
        padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-download__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-download__cta-button,
    .page-download__cta-button--video,
    .page-download__cta-button--conclusion {
        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-download__faq-item summary {
        padding: 15px 20px;
        font-size: 1em;
    }
    .page-download__faq-answer {
        padding: 0 20px 15px 20px;
    }
}

@media (max-width: 480px) {
    .page-download__main-title {
        font-size: 1.5em;
    }
    .page-download__section-title {
        font-size: 1.4em;
    }
    .page-download__card-title {
        font-size: 1.2em;
    }
    .page-download__guide-title {
        font-size: 1.3em;
    }
    .page-download__cta-button {
        font-size: 0.9em;
        padding: 10px 20px;
    }
}