/* style/ththao.css */

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

.page-ththao {
    color: var(--text-main); /* Default text color for the page */
    background-color: var(--page-bg); /* Page background color */
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

/* Ensure body padding-top is handled by shared.css */
/* .page-ththao { padding-top: var(--header-offset); } - NO, handled by body */

.page-ththao__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px; /* Adjust padding as needed, small top padding for first section */
    padding-top: 10px; /* Small top padding for the first section as per rule */
    text-align: center;
    overflow: hidden;
}

.page-ththao__hero-image-wrapper {
    width: 100%;
    max-height: 700px; /* Limit height for hero image */
    overflow: hidden;
    margin-bottom: 30px; /* Space between image and content */
}

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

.page-ththao__hero-content {
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
    position: relative;
}

.page-ththao__main-title {
    font-size: clamp(2em, 4vw, 3.2em); /* Responsive font size for H1 */
    font-weight: 700;
    line-height: 1.2;
    color: var(--gold-color);
    margin-bottom: 20px;
}

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

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

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

.page-ththao__btn-primary,
.page-ththao__btn-secondary,
.page-ththao__btn-link {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    box-sizing: border-box;
    max-width: 100%; /* Ensure buttons don't overflow */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Allow text to break words */
}

.page-ththao__btn-primary {
    background: var(--button-gradient);
    color: #ffffff; /* White text on dark button */
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-ththao__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-ththao__btn-secondary {
    background: transparent;
    color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
}

.page-ththao__btn-secondary:hover {
    background: var(--brand-primary);
    color: #ffffff;
}

.page-ththao__btn-link {
    background: transparent;
    color: var(--gold-color);
    border: 1px solid var(--gold-color);
    padding: 8px 15px;
    font-size: 0.9em;
}

.page-ththao__btn-link:hover {
    background: var(--gold-color);
    color: var(--page-bg);
}

.page-ththao__section {
    padding: 60px 20px;
    text-align: center;
}

.page-ththao__dark-bg {
    background-color: var(--page-bg);
    color: var(--text-main);
}

.page-ththao__deep-green-bg {
    background-color: var(--deep-green-bg);
    color: var(--text-main);
}

.page-ththao__section-title {
    font-size: clamp(1.8em, 3vw, 2.5em);
    font-weight: 700;
    color: var(--gold-color);
    margin-bottom: 25px;
}

.page-ththao__section-title--light {
    color: var(--text-main);
}

.page-ththao__text-block {
    max-width: 900px;
    margin: 0 auto 40px auto;
    font-size: 1.1em;
    color: var(--text-secondary);
}

.page-ththao__text-block--light {
    color: var(--text-main);
}

.page-ththao__content-area {
    max-width: 1200px;
    margin: 0 auto;
}

.page-ththao__content-area--centered {
    text-align: center;
}

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

.page-ththao__grid-2-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

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

.page-ththao__card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    text-align: left;
    display: flex;
    flex-direction: column;
    height: 100%; /* Ensure cards in a grid have equal height */
    color: var(--text-main); /* Default text color for cards */
}

.page-ththao__card--light-text {
    color: var(--text-main);
}

.page-ththao__card-image {
    width: 100%;
    height: 225px; /* Fixed height for consistent card images */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block; /* Ensure no extra space below image */
}

.page-ththao__card-title {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--gold-color);
    margin-bottom: 10px;
}

.page-ththao__card-title a.page-ththao__card-link {
    color: var(--gold-color);
    text-decoration: none;
}

.page-ththao__card-title a.page-ththao__card-link:hover {
    text-decoration: underline;
}

.page-ththao__card-description {
    font-size: 0.95em;
    color: var(--text-secondary);
    margin-bottom: 15px;
    flex-grow: 1; /* Allow description to take up available space */
}

.page-ththao__card-meta {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-top: auto; /* Push meta to bottom */
}

.page-ththao__step-item {
    text-align: center;
    position: relative;
    padding-top: 60px; /* Space for step number */
}

.page-ththao__step-number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--button-gradient);
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8em;
    font-weight: 700;
    border: 3px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-ththao__faq-section {
    padding-bottom: 80px;
}

.page-ththao__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
    text-align: left;
}

.page-ththao__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main);
}

.page-ththao__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--gold-color);
    cursor: pointer;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color); /* Separator for summary */
    transition: background-color 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-ththao__faq-question::-webkit-details-marker {
    display: none;
}

.page-ththao__faq-question:hover {
    background-color: rgba(var(--brand-primary), 0.1);
}

.page-ththao__faq-item[open] .page-ththao__faq-question {
    border-bottom: 1px solid var(--border-color);
}

.page-ththao__faq-qtext {
    flex-grow: 1;
}

.page-ththao__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--gold-color);
}

.page-ththao__faq-answer {
    padding: 15px 25px 25px 25px;
    font-size: 1em;
    color: var(--text-secondary);
}

.page-ththao__faq-answer p {
    margin-bottom: 1em;
}

.page-ththao__faq-answer .page-ththao__cta-buttons {
    margin-top: 15px;
    justify-content: flex-start;
}

.page-ththao__last-section {
    padding-bottom: 80px; /* Ensure sufficient padding at the bottom */
}

/* Responsive design */
@media (max-width: 1024px) {
    .page-ththao__main-title {
        font-size: clamp(1.8em, 5vw, 2.8em);
    }
    .page-ththao__section-title {
        font-size: clamp(1.6em, 4vw, 2.2em);
    }
    .page-ththao__lead-text {
        font-size: 1.1em;
    }
}

@media (max-width: 768px) {
    .page-ththao__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important; /* Small top padding for the first section */
    }

    .page-ththao__section {
        padding: 40px 15px;
    }

    .page-ththao__content-area,
    .page-ththao__card,
    .page-ththao__container,
    .page-ththao__cta-buttons,
    .page-ththao__button-group,
    .page-ththao__btn-container,
    .page-ththao__video-section,
    .page-ththao__video-container,
    .page-ththao__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-ththao img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

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

    .page-ththao__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-ththao__btn-primary,
    .page-ththao__btn-secondary,
    .page-ththao__btn-link,
    .page-ththao a[class*="button"],
    .page-ththao 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-ththao__cta-buttons,
    .page-ththao__button-group,
    .page-ththao__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        /* 多个按钮横向排列时，允许换行 */
        flex-wrap: wrap !important;
        gap: 10px;
    }

    .page-ththao__feature-grid,
    .page-ththao__promo-grid,
    .page-ththao__blog-grid,
    .page-ththao__grid-2-cols,
    .page-ththao__steps-grid {
        grid-template-columns: 1fr;
    }

    .page-ththao__card {
        padding: 25px;
    }

    .page-ththao__faq-question {
        font-size: 1.1em;
        padding: 18px 20px;
    }

    .page-ththao__faq-answer {
        padding: 12px 20px 20px 20px;
        font-size: 0.95em;
    }
}

@media (max-width: 480px) {
    .page-ththao__main-title {
        font-size: clamp(1.6em, 7vw, 2.2em);
    }
    .page-ththao__section-title {
        font-size: clamp(1.4em, 6vw, 1.8em);
    }
    .page-ththao__lead-text {
        font-size: 1em;
    }
    .page-ththao__card-title {
        font-size: 1.3em;
    }
    .page-ththao__step-number {
        width: 45px;
        height: 45px;
        font-size: 1.5em;
    }
}