/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a5f2f;
    --primary-dark: #0d4a20;
    --primary-light: #2d7a47;
    --secondary-color: #f5a623;
    --text-dark: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: #000000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 70px;
    width: 100%;
    border-bottom: 0.5px solid #d2232c;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    height: 70px;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: 300px;
}

.logo-img {
    width: 161px;
    height: 54px;
    object-fit: contain;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex: 1;
    justify-content: center;
    font-size: 0.95rem;
}

.nav-menu a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

.nav-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-shrink: 0;
}

.nav-right-img {
    width: 338px;
    height: 60px;
    object-fit: contain;
    object-position: right;
    display: block;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    color: white;
    width: 100%;
    height: 370px;
    margin: 0 auto;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: block;
}

/* 移动端图片卡片容器 */
.hero-mobile-cards-wrapper {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #000000;
}

/* 移动端图片卡片 */
.hero-mobile-cards {
    display: flex;
    flex-direction: row;
    position: relative;
    width: 100%;
    height: 100%;
    padding: 20px;
    overflow: hidden;
}

.mobile-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(100%) translateY(-50%);
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 290px;
    height: 190px;
    transition: transform 0.5s ease-in-out;
    z-index: 1;
    border: 1px solid #ffffff;
}

.mobile-card.active {
    transform: translateX(-50%) translateY(-50%);
    z-index: 2;
}

.mobile-card.prev {
    transform: translateX(-150%) translateY(-50%);
}

.mobile-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
}

/* 圆点指示器 */
.mobile-card-indicators {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    position: absolute;
    top: calc(50% + 95px + 10px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.mobile-card-indicators .indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-card-indicators .indicator.active {
    background: rgba(255, 255, 255, 1);
    width: 20px;
    border-radius: 4px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transform: translateX(100%) scale(1.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    backface-visibility: hidden;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    transform: translateX(0) scale(1);
    z-index: 2;
}

.hero-slide.prev {
    opacity: 0;
    transform: translateX(-100%) scale(1.1);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
}

.hero-left {
    flex: 1;
    position: relative;
    z-index: 4;
    padding-left: 40px;
}

.hero-title-3d {
    font-size: 4.5rem;
    font-weight: 900;
    color: #FFD700;
    text-shadow: 
        0 0 10px rgba(255, 215, 0, 0.8),
        0 0 20px rgba(255, 215, 0, 0.6),
        3px 3px 0px rgba(255, 215, 0, 0.3),
        6px 6px 10px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
    letter-spacing: 2px;
    transform: perspective(300px) rotateX(5deg);
}

.ticket-group {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.ticket {
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.purple-ticket {
    background: linear-gradient(135deg, #6a4c93 0%, #8b6fbe 100%);
    color: white;
}

.gray-ticket {
    background: linear-gradient(135deg, #4a4a4a 0%, #6a6a6a 100%);
    color: white;
}

.hero-info {
    margin-top: 25px;
}

.gold-label {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 10px;
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
}

.info-text {
    color: white;
    font-size: 0.95rem;
    margin: 10px 0;
    opacity: 0.95;
}

.green-ticket {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 10px;
    box-shadow: 0 4px 10px rgba(40, 167, 69, 0.4);
}

.hero-right {
    width: 777px;
    height: 370px;
    flex-shrink: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 4;
    background: rgba(0, 0, 0, 0.85);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(30px 0%, 100% 0%, 100% 100%, 30px 100%, 0% 50%);
}

.hero-right-content {
    padding: 30px;
    padding-left: 50px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    z-index: 1;
    padding-top: 40px;
}

.gg-logo-red {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-bottom: 15px;
}

.gg-text {
    font-size: 2.5rem;
    font-weight: 900;
    color: #dc3545;
    letter-spacing: -2px;
}

.poker-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: #dc3545;
}

.hero-right .hero-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #dc3545;
    margin-bottom: 15px;
    margin-top: 0;
    line-height: 1.3;
    text-align: center;
}

.hero-right .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 20px;
    margin-top: 0;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-align: center;
}

.btn-red {
    background: #dc3545;
    color: white;
    padding: 0;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(220, 53, 69, 0.3);
    width: 225px;
    height: 45px;
    text-align: center;
}

.btn-red:hover {
    background: #c82333;
    box-shadow: 0 6px 15px rgba(220, 53, 69, 0.4);
}

.app-logo-container {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-logo {
    max-width: 120px;
    height: auto;
    object-fit: contain;
}

.calendar-widget {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px solid #dee2e6;
}

.calendar-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #dc3545;
    text-align: center;
    margin-bottom: 10px;
}

.calendar-days {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.calendar-days .day {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #495057;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--bg-white);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
}

.screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.app-preview {
    width: 90%;
    height: 90%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--secondary-color);
    color: white;
}

.btn-primary:hover {
    background: #e8950f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}


.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* Latest News Section */
.latest-news {
    padding: 0;
    background: #dc3545;
    border: 1px solid #999999;
    height: 40px;
    display: flex;
    align-items: center;
}

.latest-news-content {
    width: 100%;
    margin: 0 auto;
    padding: 0;
    display: flex;
    align-items: center;
    height: 100%;
    gap: 0;
}

.latest-news-label {
    color: white;
    font-weight: 600;
    font-size: 1rem;
    padding: 0 15px;
    flex-shrink: 0;
    white-space: nowrap;
    width: 150px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #dc3545;
    border-right: 1px solid #ffffff;
}

.latest-news-scroll {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    background: #999999;
    width: 100%;
    padding: 0 20px;
}

.news-item {
    position: absolute;
    left: 20px;
    right: 20px;
    color: white;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
}

.news-item.active {
    opacity: 1;
    position: relative;
}

/* Promotion Cards Section */
.promotion-cards {
    background: var(--bg-light);
    padding: 40px 0;
}

/* 面包屑导航 */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    padding-left: 0;
    padding-bottom: 15px;
    border-bottom: 2px solid #dc3545;
}

.breadcrumb-item {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
    padding: 5px 0;
}

.breadcrumb-item:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--text-lighter);
    font-size: 0.9rem;
}

/* 图片卡片 */
.promotion-image-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.image-card {
    background: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    aspect-ratio: 16/9;
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Features Section */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Tournament Banner Section */
.tournament-banner {
    background: var(--bg-light);
    padding: 60px 0;
}

.tournament-title {
    text-align: center;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.tournament-icon {
    width: 152px;
    height: 154px;
    object-fit: contain;
    display: block;
}

.tournament-title h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    font-weight: 700;
    margin: 0;
}

.tournament-carousel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.tournament-carousel {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 20px;
    width: 100%;
    max-width: 1200px;
    position: relative;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.tournament-carousel::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.tournament-banner-item {
    flex: 0 0 calc(25% - 15px);
    min-width: calc(25% - 15px);
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s ease-in-out;
    display: block;
    scroll-snap-align: start;
}

.tournament-banner-item.active {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.tournament-banner-item img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: block;
    object-fit: cover;
    aspect-ratio: 16/9;
}

.carousel-arrow {
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    flex-shrink: 0;
}

.carousel-arrow:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.carousel-arrow:active {
    transform: scale(0.95);
}

/* Image Banner Section */
.image-banner {
    background: var(--bg-white);
    padding: 60px 0;
}

.image-banner-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.image-banner-img {
    width: 834px;
    height: 280px;
    object-fit: cover;
    display: block;
    background: transparent;
}

.image-banner-text {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.banner-title-cn {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.banner-title-en {
    font-size: 1.2rem;
    color: var(--text-light);
    margin: 0;
    font-weight: 400;
}

.banner-download-btn {
    background: #dc3545;
    color: white;
    padding: 0;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
    margin: 10px auto 0;
    box-shadow: 0 4px 10px rgba(220, 53, 69, 0.3);
    width: 225px;
    height: 50px;
    text-align: center;
}

.banner-download-btn:hover {
    background: #c82333;
    box-shadow: 0 6px 15px rgba(220, 53, 69, 0.4);
}

.banner-note {
    font-size: 0.9rem;
    color: var(--text-lighter);
    margin: 0;
    margin-top: 5px;
}

/* Article Content Section */
.article-content {
    background: var(--bg-white);
    padding: 60px 0;
}

.article-main {
    max-width: 800px;
    margin: 0 auto;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
    text-align: center;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #dc3545;
    font-size: 0.9rem;
    color: var(--text-lighter);
}

.article-date,
.article-author {
    display: flex;
    align-items: center;
}

.article-body {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 1rem;
    text-align: center;
}

.article-body p {
    margin-bottom: 20px;
    color: var(--text-dark);
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 40px;
    margin-bottom: 20px;
    text-align: center;
}

.article-body h2:first-of-type {
    margin-top: 0;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    justify-content: center;
}

.tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-light);
    color: var(--text-dark);
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.tag:hover {
    background: #dc3545;
    color: white;
    border-color: #dc3545;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
}

.footer-logo-img {
    width: 161px;
    height: 54px;
    object-fit: contain;
    display: block;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
    max-width: 300px;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    transition: background 0.3s;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-right {
        display: none;
    }

    .logo {
        gap: 0.5rem;
        margin-left: 0;
    }

    .logo-img {
        width: 120px;
        height: 40px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: #000000;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    /* 移动端：隐藏轮播图，显示卡片 */
    .hero-slideshow {
        display: none !important;
    }
    
    .hero-mobile-cards-wrapper {
        display: flex !important;
    }
    
    /* 移动端：隐藏右侧内容区域 */
    .hero-right {
        display: none !important;
    }
    
    /* 移动端：最新消息标题宽度 */
    .latest-news-label {
        width: 100px;
    }
    
    /* 移动端：锦标赛轮播显示1张 */
    .tournament-carousel-wrapper {
        gap: 10px;
        padding: 0 20px;
    }
    
    .tournament-carousel {
        max-width: 100%;
        width: calc(100% - 100px);
    }
    
    .tournament-banner-item {
        flex: 0 0 100%;
        min-width: 100%;
        width: 100%;
    }
    
    .tournament-banner-item img {
        width: 100%;
        height: auto;
    }
    
    .carousel-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
        flex-shrink: 0;
    }
    
    /* 移动端：图片板块图片尺寸 */
    .image-banner-img {
        width: 280px;
        height: 94px;
    }
    
    /* 移动端：下载按钮尺寸 */
    .banner-download-btn {
        width: 150px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .hero {
        width: 100%;
        height: auto;
        min-height: 300px;
    }

    .hero-content {
        flex-direction: column;
        padding: 20px;
    }

    .hero-left {
        padding-left: 0;
        margin-bottom: 20px;
    }

    .hero-title-3d {
        font-size: 3rem;
    }

    .hero-right {
        width: 100%;
        max-width: 777px;
        height: auto;
        min-height: 300px;
        margin: 0 auto;
        position: relative;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .promotion-image-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .promotion-image-cards {
        gap: 15px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo {
        gap: 0.3rem;
        margin-left: 0;
    }

    .logo-img {
        width: 100px;
        height: 34px;
    }

    .hero {
        width: 100%;
        height: auto;
        min-height: 250px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    section {
        padding: 60px 0;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}