.page-ththao {
    font-family: Arial, sans-serif;
    color: #FFF1E8; /* Text Main */
    background-color: #140C0C; /* Background */
    line-height: 1.6;
}

.page-ththao__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 40px;
    text-align: center;
    overflow: hidden;
}

.page-ththao__hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    overflow: hidden;
}

.page-ththao__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-ththao__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: -150px auto 0 auto; /* Pull content up over image slightly for visual flow */
    padding: 20px;
    background: rgba(42, 18, 18, 0.85); /* Card BG with transparency */
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-ththao__hero-title {
    font-size: 2.8em;
    font-weight: bold;
    color: #F3C54D; /* Gold */
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-ththao__hero-description {
    font-size: 1.2em;
    color: #FFF1E8;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.page-ththao__section-title {
    font-size: 2.2em;
    font-weight: bold;
    color: #F3C54D; /* Gold */
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.page-ththao__section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #FFB04A, #D86A14);
    margin: 15px auto 0 auto;
    border-radius: 2px;
}

.page-ththao__section-text {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: #FFF1E8;
    text-align: justify;
}

.page-ththao__cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.page-ththao__btn-primary {
    background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(255, 176, 74, 0.4);
}

.page-ththao__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(255, 176, 74, 0.6);
    opacity: 0.9;
}

.page-ththao__btn-secondary {
    background-color: #2A1212; /* Card BG */
    color: #FFB04A; /* Gold-like from button gradient */
    border: 2px solid #6A1E1E; /* Border */
}

.page-ththao__btn-secondary:hover {
    background-color: #6A1E1E; /* Border */
    color: #ffffff;
    transform: translateY(-3px);
}

.page-ththao__introduction-section .page-ththao__cta-button {
    margin-top: 30px;
}

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

.page-ththao__sports-card {
    background-color: #2A1212; /* Card BG */
    border: 1px solid #6A1E1E; /* Border */
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
    padding-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-ththao__sports-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-ththao__sports-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    margin-bottom: 15px;
}

.page-ththao__sports-card-title {
    font-size: 1.5em;
    color: #F3C54D; /* Gold */
    margin-bottom: 10px;
    padding: 0 15px;
}

.page-ththao__sports-card-description {
    font-size: 0.95em;
    color: #FFF1E8;
    margin-bottom: 20px;
    padding: 0 15px;
}

.page-ththao__card-button {
    padding: 10px 20px;
    font-size: 0.9em;
    border-radius: 5px;
}

.page-ththao__why-choose-section {
    background-color: #140C0C;
}

.page-ththao__features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.page-ththao__feature-item {
    display: flex;
    align-items: center;
    background-color: #2A1212; /* Card BG */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid #6A1E1E;
}

.page-ththao__feature-item:nth-child(even) {
    flex-direction: row-reverse;
}

.page-ththao__feature-image {
    width: 50%;
    height: auto;
    object-fit: cover;
    display: block;
}

.page-ththao__feature-content {
    width: 50%;
    padding: 30px;
}

.page-ththao__feature-title {
    font-size: 1.8em;
    color: #F3C54D; /* Gold */
    margin-bottom: 15px;
}

.page-ththao__feature-text {
    font-size: 1em;
    color: #FFF1E8;
}

.page-ththao__registration-guide-section {
    background-color: #140C0C;
}

.page-ththao__guide-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    margin-top: 40px;
}

.page-ththao__guide-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.page-ththao__guide-list-item {
    background-color: #2A1212; /* Card BG */
    border: 1px solid #6A1E1E; /* Border */
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
}

.page-ththao__guide-list-item:hover {
    transform: translateY(-3px);
}

.page-ththao__guide-list-item:last-child {
    margin-bottom: 0;
}

.page-ththao__guide-step-title {
    font-size: 1.4em;
    color: #F3C54D; /* Gold */
    margin-bottom: 10px;
}

.page-ththao__guide-step-description {
    font-size: 1em;
    color: #FFF1E8;
}

.page-ththao__guide-image {
    flex: 1;
    max-width: 500px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    display: block;
    object-fit: cover;
}

.page-ththao__registration-guide-section .page-ththao__cta-button {
    margin-top: 40px;
}

.page-ththao__promotions-section {
    background-color: #140C0C;
}

.page-ththao__promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-ththao__promotion-card {
    background-color: #2A1212; /* Card BG */
    border: 1px solid #6A1E1E; /* Border */
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
    padding-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-ththao__promotion-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-ththao__promotion-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    margin-bottom: 15px;
}

.page-ththao__promotion-card-title {
    font-size: 1.4em;
    color: #F3C54D; /* Gold */
    margin-bottom: 10px;
    padding: 0 15px;
}

.page-ththao__promotion-card-description {
    font-size: 0.95em;
    color: #FFF1E8;
    margin-bottom: 20px;
    padding: 0 15px;
}

.page-ththao__faq-section {
    background-color: #140C0C;
}

.page-ththao__faq-list {
    margin-top: 40px;
}

.page-ththao__faq-item {
    background-color: #2A1212; /* Card BG */
    border: 1px solid #6A1E1E; /* Border */
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-ththao__faq-item[open] {
    background-color: #3a1e1e; /* Slightly darker when open */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-ththao__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: #F3C54D; /* Gold */
    cursor: pointer;
    list-style: none; /* For details/summary */
    outline: none;
}

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

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

.page-ththao__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: #FFB04A;
}

.page-ththao__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: #FFF1E8;
    line-height: 1.7;
}

.page-ththao__conclusion-section {
    text-align: center;
    padding-bottom: 80px;
}

.page-ththao__conclusion-section .page-ththao__section-title {
    margin-bottom: 30px;
}

.page-ththao__conclusion-section .page-ththao__section-text {
    max-width: 900px;
    margin: 0 auto 40px auto;
}

/* General image responsiveness */
.page-ththao img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile responsiveness */
@media (max-width: 1024px) {
    .page-ththao__hero-title {
        font-size: 2.5em;
    }
    .page-ththao__hero-content {
        margin-top: -100px;
    }
    .page-ththao__feature-item {
        flex-direction: column !important;
    }
    .page-ththao__feature-image,
    .page-ththao__feature-content {
        width: 100%;
    }
    .page-ththao__guide-content {
        flex-direction: column;
    }
    .page-ththao__guide-image {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-ththao__hero-section {
        padding-top: 10px !important;
        padding-bottom: 20px;
    }
    .page-ththao__hero-title {
        font-size: 1.8em !important;
    }
    .page-ththao__hero-description {
        font-size: 1em !important;
    }
    .page-ththao__hero-content {
        margin-top: -80px !important;
        padding: 15px !important;
    }

    /* 产品展示图区域 */
    .page-ththao__sports-grid {
        grid-template-columns: 1fr !important; /* Single column */
        gap: 20px !important;
    }
    .page-ththao__sports-card-image {
        height: 180px !important;
    }
    .page-ththao__promotions-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    .page-ththao__promotion-card-image {
        height: 180px !important;
    }

    /* 通用图片与容器 */
    .page-ththao img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-ththao__section,
    .page-ththao__container,
    .page-ththao__sports-card,
    .page-ththao__promotion-card,
    .page-ththao__feature-item,
    .page-ththao__guide-list-item,
    .page-ththao__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden;
    }
    .page-ththao__container {
        padding: 0 15px !important;
    }
    .page-ththao__section-title {
        font-size: 1.8em !important;
    }
    .page-ththao__section-text {
        font-size: 0.95em !important;
    }

    /* 按钮与按钮容器 */
    .page-ththao__cta-button,
    .page-ththao__btn-primary,
    .page-ththao__btn-secondary,
    .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;
        margin-bottom: 10px; /* Add spacing between stacked buttons */
    }
    .page-ththao__cta-button:last-child {
        margin-bottom: 0;
    }
    .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;
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 10px;
    }

    /* 其他内容模块 */
    .page-ththao__feature-item {
        flex-direction: column !important;
    }
    .page-ththao__feature-image,
    .page-ththao__feature-content {
        width: 100% !important;
        padding: 20px !important;
    }
    .page-ththao__guide-content {
        flex-direction: column !important;
    }
    .page-ththao__guide-image {
        max-width: 100% !important;
        order: -1; /* Image above list on mobile */
    }
    .page-ththao__guide-list-item {
        padding: 15px !important;
    }
    .page-ththao__guide-step-title {
        font-size: 1.2em !important;
    }
    .page-ththao__faq-question {
        font-size: 1.05em !important;
        padding: 15px !important;
    }
    .page-ththao__faq-answer {
        padding: 0 15px 15px 15px !important;
    }
}