:root {
    --jevin-blue: #4040FF;    /* 基于图片中Jevin的主色调 */
    --jevin-light-blue: #6464FF;
    --white: #FFFFFF;
    --header-height: 70px;
}

.header {
    position: fixed;
    width: 100%;
    top: 0;
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(64, 64, 255, 0.15);
    height: var(--header-height);
    z-index: 1000;
}

.header__nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
}

.header__logo-container {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 1rem;
}

.header__logo-img {
    height: 40px;
    width: 40px;
    object-fit: contain;
    border-radius: 50%;
}

.header__logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--jevin-blue);
    font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header__nav {
        padding: 0 1rem;
    }
    
    .header__logo-text {
        font-size: 1.25rem;
    }
}

/* Game Section Styles */
.game {
    margin-top: var(--header-height); /* 确保不被header遮挡 */
    padding: 2rem 1rem;
    background-color: #f5f5f5;
}

.game__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.game__wrapper {
    position: relative;
    width: 80%;
    margin: 0 auto;
    padding-top: 45%;
    background-color: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.game__iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.game__fullscreen-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.game__fullscreen-btn:hover {
    background-color: #fff;
    transform: scale(1.1);
}

.game__fullscreen-icon {
    fill: var(--jevin-blue);
}

/* 全屏模式样式 */
.game__wrapper.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    padding: 0;
    z-index: 9999;
    border-radius: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .game {
        padding: 1rem 0.5rem;
    }

    .game__wrapper {
        width: 100%;
        padding-top: 56.25%;
    }

    .game__fullscreen-btn {
        bottom: 10px;
        right: 10px;
        width: 36px;
        height: 36px;
    }
}
.hero {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
    color: var(--white);
}

.hero__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero__content {
    flex: 1;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
    text-shadow: 0 0 10px rgba(64, 64, 255, 0.5);
}

.hero__subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero__cta {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--jevin-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.hero__cta:hover {
    background-color: transparent;
    border-color: var(--jevin-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(64, 64, 255, 0.3);
}

.hero__image-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image {
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(64, 64, 255, 0.3));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 响应式设计 */
@media (max-width: 968px) {
    .hero__container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__image {
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 1rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1.1rem;
    }

    .hero__image {
        max-width: 250px;
    }
}

.features {
    padding: 5rem 2rem;
    background-color: #f8f9fa;
}

.features__title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--jevin-blue);
    margin-bottom: 3rem;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(64, 64, 255, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card__image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.feature-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-card__image img {
    transform: scale(1.05);
}

.feature-card__content {
    padding: 1.5rem;
}

.feature-card__title {
    font-size: 1.5rem;
    color: var(--jevin-blue);
    margin-bottom: 0.5rem;
}

.feature-card__subtitle {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1rem;
}

.feature-card__text {
    font-size: 1rem;
    line-height: 1.6;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .features__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .features {
        padding: 3rem 1rem;
    }
    
    .features__title {
        font-size: 2rem;
    }
    
    .feature-card__title {
        font-size: 1.25rem;
    }
}

/* How to Play Section */
.how-to-play {
    padding: 5rem 2rem;
    background-color: var(--white);
}

.how-to-play__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step-card {
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    position: relative;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--jevin-blue);
    opacity: 0.2;
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* FAQ Section */
.faq {
    padding: 5rem 2rem;
    background-color: #f8f9fa;
}

.faq-item {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background-color: var(--white);
    cursor: pointer;
    position: relative;
    font-weight: 600;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-answer {
    padding: 1.5rem;
    background-color: var(--white);
    border-top: 1px solid #eee;
}

/* Responsive Design */
@media (max-width: 768px) {
    .how-to-play__grid {
        grid-template-columns: 1fr;
    }
    
    .why-play__content {
        grid-template-columns: 1fr;
    }
}

/* FAQ Section Styles */
.faq {
    padding: 5rem 2rem;
    background-color: #f8f9fa;
}

.faq__list {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.faq-item {
    background-color: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(64, 64, 255, 0.1);
    transition: transform 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
}

.faq-question {
    color: var(--jevin-blue);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.faq-answer {
    color: #333;
    line-height: 1.6;
}

.faq-answer p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .faq {
        padding: 3rem 1rem;
    }

    .faq-item {
        padding: 1.5rem;
    }

    .faq-question {
        font-size: 1.1rem;
    }
}
/* What is Section Styles */
.what-is {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.what-is__grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
    align-items: start;
}

.what-is__content {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(64, 64, 255, 0.1);
}

.what-is__subtitle {
    color: var(--jevin-blue);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.what-is__text {
    color: #333;
    line-height: 1.7;
}

.what-is__text p {
    margin-bottom: 1.5rem;
}

.what-is__feature-title {
    color: var(--jevin-blue);
    font-size: 1.25rem;
    margin: 2rem 0 1rem;
}

.what-is__feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.what-is__feature-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
}

.what-is__feature-list li::before {
    content: "•";
    color: var(--jevin-blue);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.what-is__highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(64, 64, 255, 0.08);
    transition: transform 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-3px);
}

.highlight-card__title {
    color: var(--jevin-blue);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.highlight-card__text {
    color: #666;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 968px) {
    .what-is__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .what-is__content {
        padding: 2rem;
    }

    .what-is__subtitle {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .what-is {
        padding: 3rem 1rem;
    }

    .what-is__content {
        padding: 1.5rem;
    }

    .highlight-card {
        padding: 1.25rem;
    }
}

/* Video Showcase Styles */
.video-showcase {
    padding: 4rem 2rem;
    background-color: #f8f9fa;
}

.video-showcase .container {
    max-width: 1200px;
    margin: 0 auto;
}

.video-showcase__title {
    text-align: center;
    color: var(--jevin-blue);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.video-showcase__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.video-showcase__item {
    width: 100%;
}

/* 16:9 宽高比的响应式视频容器 */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 比例 */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(64, 64, 255, 0.1);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .video-showcase {
        padding: 3rem 1rem;
    }

    .video-showcase__grid {
        grid-template-columns: 1fr; /* 手机端单列显示 */
        gap: 1.5rem;
    }

    .video-showcase__title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
}