:root {
    --cyber-blue: #00b4d8;
    --cyber-purple: #7209b7;
    --cyber-pink: #f72585;
    --neon-green: #06ffa5;
    --dark-bg: #0a0e27;
    --card-bg: #ffffff;
    --text-dark: #1a1a2e;
    --text-light: #16213e;
    --shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 180, 216, 0.18);
    --shadow-hover: 0 25px 70px rgba(0, 180, 216, 0.25);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}
.landing.banner #particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    background: transparent;
    pointer-events: none;
}

/* 确保banner内容在粒子背景上层 */
.landing.banner .overlay {
    position: relative;
    z-index: 1;
}
.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--cyber-blue), var(--cyber-purple));
    border-radius: 2px;
}
.section-title p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 25px auto 0;
    font-weight: 500;
}
.version-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}
.version-card-simple {
    background: #ffffff;
    border-radius: 25px;
    padding: 45px 35px;
    text-align: center;
    border: 3px solid rgba(0, 180, 216, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.version-card-simple.pc-card {
    border-color: rgba(0, 180, 216, 0.2);
}

.version-card-simple.pc-card:hover {
    border-color: #00b4d8;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.version-card-simple.quest-card {
    border-color: rgba(114, 9, 183, 0.2);
}

.version-card-simple.quest-card:hover {
    border-color: #7209b7;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.version-card-simple.mobile-card {
    border-color: rgba(0, 168, 107, 0.2);
}

.version-card-simple.mobile-card:hover {
    border-color: #00a86b;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.version-card-simple.mobile-card .feature-tags span {
    background: rgba(0, 168, 107, 0.08);
    color: #00a86b;
    border-color: rgba(0, 168, 107, 0.15);
}

.version-card-simple.pc-card .feature-tags span {
    background: rgba(0, 180, 216, 0.08);
    color: #00b4d8;
    border-color: rgba(0, 180, 216, 0.15);
}

.card-icon-wrapper {
    width: 90px;
    height: 90px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, #0096c7, #0077b6);
    border-radius: 23px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.version-card-simple.pc-card .card-icon-wrapper {
    background: linear-gradient(135deg, #00b4d8, #0096c7);
}

.version-card-simple.quest-card .card-icon-wrapper {
    background: linear-gradient(135deg, #7209b7, #9d4edd);
}

.version-card-simple.mobile-card .card-icon-wrapper {
    background: linear-gradient(135deg, #00a86b, #008f5c);
}

.card-icon-wrapper i {
    font-size: 3rem;
    color: white;
}

.version-card-simple h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.card-description {
    font-size: 1.05rem;
    color: #16213e;
    line-height: 1.7;
    margin-bottom: 25px;
    font-weight: 500;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.feature-tags span {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(0, 180, 216, 0.08);
    border-radius: 20px;
    font-size: 0.95rem;
    color: var(--cyber-blue);
    font-weight: 600;
    border: 2px solid rgba(0, 180, 216, 0.15);
}

.version-card-simple.quest-card .feature-tags span {
    background: rgba(114, 9, 183, 0.08);
    color: #7209b7;
    border-color: rgba(114, 9, 183, 0.15);
}

.feature-tags span i {
    margin-right: 6px;
    font-size: 0.9rem;
}

.download-btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
}

.pc-btn {
    background: linear-gradient(135deg, #00b4d8, #0096c7);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.pc-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    color: white;
}

.quest-btn {
    background: linear-gradient(135deg, #7209b7, #9d4edd);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.quest-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    color: white;
}

.mobile-btn {
    background: linear-gradient(135deg, #00a86b, #008f5c);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.mobile-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    color: white;
}

.download-btn i {
    margin-right: 8px;
}
.screenshot-section {
    margin-bottom: 60px;
    background: #ffffff;
    padding: 50px 30px;
    border-radius: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}
.screenshot-header {
    text-align: center;
    margin-bottom: 50px;
}
.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 20px 45px;
    border-radius: 50px;
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 12px 45px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: default;
}

.platform-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.25);
}
.platform-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}
.platform-badge:hover::before {
    left: 100%;
}
.pc-badge {
    background: linear-gradient(135deg, var(--cyber-blue), #0096c7);
}
.android-badge {
    background: linear-gradient(135deg, var(--cyber-purple), #9d4edd);
}
.platform-badge i {
    font-size: 1.8rem;
}
.screenshot-carousel-wrapper {
    margin-top: 40px;
}

.screenshot-grid-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    padding: 0;
    max-width: 100%;
}

.screenshot-item-large {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    transition: var(--transition);
    border: 3px solid rgba(0, 180, 216, 0.2);
    position: relative;
    aspect-ratio: 16/10;
}

.android-screenshots .screenshot-item-large {
    border-color: rgba(114, 9, 183, 0.2);
}

.screenshot-item-large a {
    display: block;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.screenshot-item-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.zoom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.9), rgba(114, 9, 183, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.zoom-overlay i {
    font-size: 3rem;
    color: white;
    transform: scale(0.5);
    transition: var(--transition);
}

.pc-screenshots .screenshot-item-large:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 180, 216, 0.3);
    border-color: var(--cyber-blue);
}

.android-screenshots .screenshot-item-large:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(114, 9, 183, 0.3);
    border-color: var(--cyber-purple);
}

.screenshot-item-large:hover .zoom-overlay {
    opacity: 1;
}

.screenshot-item-large:hover .zoom-overlay i {
    transform: scale(1);
}

.screenshot-item-large:hover img {
    transform: scale(1.1);
}

.screenshot-caption {
    padding: 25px;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.screenshot-caption i {
    font-size: 2.5rem;
    color: var(--cyber-blue);
    margin-bottom: 15px;
    display: block;
    transition: var(--transition);
}

.android-carousel .screenshot-caption i {
    color: var(--cyber-purple);
}

.screenshot-item:hover .screenshot-caption i {
    transform: scale(1.2) rotate(10deg);
}

.screenshot-caption h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.screenshot-caption p {
    font-size: 1rem;
    color: #16213e;
    margin: 0;
    font-weight: 500;
}
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}
.feature-item {
    transition: var(--transition);
    position: relative;
}

.feature-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, transparent, currentColor, transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateX(15px);
    box-shadow: 0 15px 50px rgba(0, 180, 216, 0.2) !important;
}

.feature-item:hover::before {
    opacity: 1;
}
@media (max-width: 1200px) {
    .screenshot-grid-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
}
@media (max-width: 768px) {
    .section-title h2 {
        font-size: 2.2rem;
    }
    .section-title p {
        font-size: 1rem;
    }
    .screenshot-grid-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 10px;
    }
    .platform-badge {
        font-size: 1.2rem;
        padding: 15px 30px;
    }
    .screenshot-section {
        padding: 40px 20px;
    }
    .version-card-simple {
        margin-bottom: 30px;
    }
    .video-item {
        margin-bottom: 30px;
        flex-basis: 100% !important;
    }
    .video-item:not(.active) .video-preview-card {
        transform: scale(1) !important;
        opacity: 1 !important;
    }
    .zoom-overlay i {
        font-size: 2rem;
    }
    .head-btn {
        flex-direction: column;
        align-items: stretch;
    }
    .btn-download {
        width: 100%;
    }
    .video-modal-content {
        width: 95%;
        max-height: 95vh;
    }
}
@media (max-width: 480px) {
    .section-title h2 {
        font-size: 1.8rem;
    }
    .version-card-simple {
        padding: 35px 25px;
    }
    .card-icon-wrapper {
        width: 75px;
        height: 75px;
    }
    .card-icon-wrapper i {
        font-size: 2.5rem;
    }
    .screenshot-grid-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .play-overlay i {
        font-size: 3rem !important;
    }
    .video-preview-card:hover .play-overlay i {
        font-size: 3.5rem !important;
    }
}

/* 帮助卡片现代化样式 */
.help-card-modern {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 30px;
    padding: 60px 50px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.help-card-modern h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.help-card-modern h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--cyber-blue), var(--cyber-purple));
    border-radius: 2px;
}

.help-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.help-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 20px;
    border: 2px solid rgba(0, 180, 216, 0.1);
    transition: all 0.3s ease;
}

.help-item:hover {
    border-color: var(--cyber-blue);
    box-shadow: 0 10px 30px rgba(0, 180, 216, 0.15);
    transform: translateY(-3px);
}

.help-item i {
    font-size: 3rem;
    color: var(--cyber-blue);
    min-width: 60px;
}

.help-text h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 12px 0;
}

.help-text p {
    font-size: 1.15rem;
    color: #666;
    margin: 0;
    line-height: 1.7;
}

.help-text a {
    color: var(--cyber-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.help-text a:hover {
    color: var(--cyber-purple);
}

.separator {
    margin: 0 10px;
    color: #ccc;
}

.help-notice {
    grid-column: 1 / -1;
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(114, 9, 183, 0.1));
    border-radius: 15px;
    margin-top: 10px;
}

.help-notice i {
    font-size: 1.3rem;
    color: var(--cyber-blue);
    margin-right: 10px;
}

.help-notice span {
    font-size: 1.15rem;
    color: #666;
    font-weight: 600;
}

/* 网站选择弹窗样式 */
.website-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    animation: fadeIn 0.3s ease;
}

.website-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.website-modal-content {
    background: #ffffff;
    border-radius: 25px;
    width: 90%;
    max-width: 600px;
    overflow: hidden;
    box-shadow: 0 25px 100px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease;
}

.website-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background: linear-gradient(135deg, var(--cyber-blue), var(--cyber-purple));
    border-bottom: none;
}

.website-modal-header h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.website-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.website-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.website-modal-body {
    padding: 40px 30px;
}

.website-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.website-item:last-child {
    margin-bottom: 0;
}

.website-item i {
    font-size: 2.5rem;
    color: var(--cyber-blue);
    min-width: 50px;
}

.website-info {
    flex: 1;
}

.website-info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 15px 0;
}

.website-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.website-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border: 2px solid rgba(0, 180, 216, 0.2);
    border-radius: 15px;
    color: var(--cyber-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.website-link:hover {
    background: linear-gradient(135deg, var(--cyber-blue), #0096c7);
    border-color: var(--cyber-blue);
    color: white;
    transform: translateX(5px);
}

.website-link i {
    font-size: 1rem;
}

/* 平板设备优化 */
@media (max-width: 991px) {
    .video-showcase {
        flex-direction: column;
    }
    .video-item {
        flex-basis: 100% !important;
    }
    .head-btn {
        justify-content: center;
    }
    .btn-download {
        min-width: 200px;
    }
    .help-content {
        grid-template-columns: 1fr;
    }
}

/* 数据统计卡片美化 */
#stats .col-md-3 > div {
    position: relative;
    overflow: hidden;
}

#stats .col-md-3 > div::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: rotate(45deg);
    transition: var(--transition);
    opacity: 0;
}

#stats .col-md-3 > div:hover::before {
    opacity: 1;
    animation: shine 1.5s infinite;
}

#stats .col-md-3 > div:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15) !important;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* 按钮美化增强 - 移除光晕效果 */
.btn-primary {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* Banner按钮样式优化 - 并排显示 */
.head-btn {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
    justify-content: flex-start;
    align-items: center;
}

.btn-download {
    padding: 22px 45px;
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.btn-download-primary {
    background: linear-gradient(135deg, #ffc107, #ffb300);
    color: #1a1a2e;
    border: 3px solid #ffc107;
}

.btn-download-primary:hover {
    background: linear-gradient(135deg, #ffb300, #ffa000);
    color: #1a1a2e;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    border-color: #ffb300;
}

.btn-download i,
.btn-download img {
    font-size: 1.6rem;
}

.btn-download span {
    font-weight: 700;
    font-size: 1.3rem;
}

/* Banner区域布局对齐 */
.landing .col-md-6 {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 导航栏效果 */
.is-sticky .navbar-default {
    background: rgba(0, 0, 0, 0.9) !important;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--cyber-blue), var(--cyber-purple));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-pink));
}

/* 特点列表图标美化 */
.feat-list {
    position: relative;
    transition: var(--transition);
}

.feat-list::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.05), rgba(114, 9, 183, 0.05));
    border-radius: 15px;
    opacity: 0;
    transition: var(--transition);
}

.feat-list:hover::before {
    opacity: 1;
}

.feat-list:hover {
    transform: translateY(-8px);
}

.feat-list i {
    transition: var(--transition);
}

.feat-list:hover i {
    transform: scale(1.2) rotate(10deg);
}


/* 截图网格间距优化 */
.screenshots-grid {
    max-width: 1400px;
    margin: 0 auto;
}

/* 平台徽章图标动画 */
.platform-badge i {
    transition: var(--transition);
}

.platform-badge:hover i {
    transform: scale(1.2) rotate(360deg);
}

/* 视频展示区域 - 全新设计 */
.video-showcase {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 30px;
    position: relative;
}

.video-item {
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    flex: 0 0 auto;
    will-change: flex-basis;
}

.video-item:not(.active) {
    flex-basis: 28%;
}

.video-item.active {
    flex-basis: 44%;
}

.video-preview-card {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 3px solid rgba(0, 180, 216, 0.15);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.video-item:not(.active) .video-preview-card {
    transform: scale(0.95);
    opacity: 0.85;
}

.video-item.active .video-preview-card {
    transform: scale(1);
    border-color: var(--cyber-blue);
    box-shadow: 0 20px 60px rgba(0, 180, 216, 0.25);
}

.video-preview-card:hover {
    transform: scale(1.02) !important;
    box-shadow: 0 25px 70px rgba(0, 180, 216, 0.3) !important;
    border-color: var(--cyber-blue) !important;
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: #000;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.video-preview-card:hover .video-thumbnail img {
    transform: scale(1.1);
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
}

.video-preview-card:hover .play-overlay {
    background: rgba(0, 180, 216, 0.7);
}

.play-overlay i {
    font-size: 4rem;
    color: white;
    transition: all 0.4s ease;
}

.video-preview-card:hover .play-overlay i {
    font-size: 5rem;
    transform: scale(1.2);
}

.video-info {
    padding: 25px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.video-info i,
.video-info img {
    font-size: 2.5rem;
    color: var(--cyber-blue);
    margin-bottom: 12px;
}

.video-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 10px 0;
}

.video-info p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
}

/* 视频模态框样式 */
.video-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    animation: fadeIn 0.3s ease;
}

.video-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-content {
    background: #1a1a2e;
    border-radius: 20px;
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 100px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease;
}

.video-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: linear-gradient(135deg, var(--cyber-blue), var(--cyber-purple));
    border-bottom: 3px solid rgba(255, 255, 255, 0.1);
}

.video-modal-header h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.video-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.video-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.video-modal-body {
    padding: 0;
    background: #000;
}

#modalVideoPlayer {
    width: 100%;
    height: auto;
    max-height: calc(90vh - 80px);
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-container {
    position: relative;
    background: #000;
    overflow: hidden;
}

.video-player {
    width: 100%;
    height: auto;
    display: block;
}

.video-player::-webkit-media-controls-panel {
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.7));
}

/* 导航选中状态优化 */
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
    border-radius: 25px;
    padding: 10px 20px !important;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 特点部分优化 */
#feature {
    padding: 100px 0;
    background: #f8f9fa;
}

/* 版本展示优化 */
/* 视频区域紧贴banner */
#video-section {
    margin-top: -80px !important;
}

#versions {
    padding: 100px 0;
    background: #ffffff;
}

/* 移除渐变背景，使用纯色 */
body {
    background: #ffffff;
}

/* 特点卡片图标悬停效果 */
.features-grid .feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 180, 216, 0.15) !important;
    border-color: var(--cyber-blue);
}

.features-grid .feature-item:hover > div > div:first-child {
    transform: scale(1.1) rotate(5deg);
}

/* 消除区域间隙 */
section, #intro, #versions, #feature, #features, #screenshot, #stats, #download, #video-section {
    margin: 0 !important;
}

/* 顶部banner优化 */
.landing.banner {
    margin-bottom: 0 !important;
    margin-top: 0 !important;
    position: relative !important;
    top: -80px !important;
    padding-top: 80px !important;
}

.banner {
    position: relative;
    top: -80px;
    padding-top: 80px;
}

/* 导航栏悬停效果优化 */
.navbar-default .navbar-nav > li > a {
    transition: all 0.3s ease;
    border-radius: 25px;
    margin: 0 5px;
}

.navbar-default .navbar-nav > li > a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Lightbox图片优化 - 合理的放大显示 */
.ekko-lightbox .modal-dialog {
    max-width: 90vw !important;
    width: auto !important;
    margin: 30px auto;
}

.ekko-lightbox .modal-content {
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5) !important;
    border: 5px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 15px !important;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.9) !important;
}

.ekko-lightbox .modal-body {
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.9);
}

.ekko-lightbox .modal-body img {
    max-width: 100%;
    max-height: 85vh;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .ekko-lightbox .modal-dialog {
        max-width: 95vw !important;
        margin: 10px auto;
    }
    
    .ekko-lightbox .modal-body img {
        max-height: 80vh;
    }
}