html, body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    background: radial-gradient(ellipse at 20% 30%, #e0e7ff 0%, #f0f7ff 60%, #f7f8fa 100%),
                radial-gradient(circle at 80% 70%, #cfe2ff 0%, transparent 60%),
                radial-gradient(circle at 60% 20%, #fbefff 0%, transparent 70%),
                linear-gradient(120deg, #e0e7ff 0%, #f0f7ff 100%);
}
body::before {
    content: '';
    position: fixed;
    left: 0; top: 0; right: 0; bottom: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(circle at 80% 10%, #c9e7ff33 0%, transparent 60%),
                radial-gradient(circle at 10% 90%, #ffe3e333 0%, transparent 60%),
                linear-gradient(120deg, #f7f8fa 60%, #e3e9f7 100%);
}
#app {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: row;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.h5-card-container {
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    height: 100vh;
    width: auto;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
}
.h5-card {
    position: relative;
    width: auto;
    height: 100%;
    aspect-ratio: 9 / 22;
    overflow: hidden;
    background: #fafbfc;
}
.h5-card iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #fafbfc;
}
.mobile-back-btn {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 10;
    width: 90px;
    height: 36px;
    background: rgba(34,34,34,0.85);
    color: #fff;
    border: none;
    border-radius: 16px;
    font-size: 1rem;
    letter-spacing: 2px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.mobile-back-btn:hover {
    background: #409EFF;
}
.mobile-back-btn i {
    font-size: 1.2rem;
    margin-right: 6px;
}
.main-content {
    flex: 1;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
}
.brand-row, .brand-divider, .video-container, .button-group, .copyright-box {
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}
.brand-row {
    display: flex;
    align-items: center;
    margin-top: 3vh;
    margin-bottom: 1vh;
    padding-left: 0;
    padding-right: 0;
}
.brand-logo {
    width: 54px;
    height: 54px;
    margin-right: 18px;
    border-radius: 12px;
    object-fit: cover;
}
.brand-title {
    font-size: 2.2rem;
    font-weight: bold;
    color: #222;
    letter-spacing: 2px;
}
.brand-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, #e5e6eb, transparent);
    margin: 2vh auto;
    border-radius: 2px;
}
.video-container {
    position: relative;
    width: 100%;
    height: 40vh;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    margin: 0;
    padding: 0;
}
.bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.2) 100%);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 24px;
    pointer-events: none;
}
.video-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    animation: fadeInDown 0.8s ease-out;
}
.video-logo {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    object-fit: cover;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    animation: pulse 2s ease-in-out infinite;
}
.video-title {
    font-size: 2.8rem;
    font-weight: bold;
    color: #fff;
    letter-spacing: 4px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.2);
}
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}
.button-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3vh;
    padding: 4vh 0;
    width: 100%;
}
.button-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 2vw;
    width: 90%;
    max-width: 800px;
}
.card-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.38);
    border-radius: 18px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08), 0 1.5px 8px 0 rgba(64,158,255,0.10);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100px;
    padding: 0 1.5vw;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1.5px solid rgba(255,255,255,0.32);
    backdrop-filter: blur(16px) saturate(1.5);
    -webkit-backdrop-filter: blur(16px) saturate(1.5);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08), 0 1.5px 8px 0 rgba(64,158,255,0.10), 0 0 0 1.5px rgba(255,255,255,0.18) inset;
    max-width: 200px;
}
.card-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 18px;
    background: linear-gradient(120deg,rgba(255,255,255,0.18) 0%,rgba(255,255,255,0.08) 100%);
    pointer-events: none;
    z-index: 1;
}
.card-btn .btn-label, .card-btn .el-icon {
    position: relative;
    z-index: 2;
}
.card-btn:hover {
    box-shadow: 0 4px 24px rgba(64,158,255,0.16), 0 2px 16px 0 rgba(255,255,255,0.12) inset;
    transform: translateY(-2px);
    background: rgba(255,255,255,0.48);
}
.card-btn.active {
    background: linear-gradient(100deg, rgba(64,158,255,0.32) 60%, rgba(64,158,255,0.18) 100%);
    box-shadow: 0 6px 28px rgba(64,158,255,0.18), 0 0 0 2.5px rgba(255,255,255,0.18) inset;
    color: #409EFF;
    border: none;
    transform: scale(1.05);
    z-index: 2;
    backdrop-filter: blur(18px) saturate(1.7);
    -webkit-backdrop-filter: blur(18px) saturate(1.7);
}
.card-btn.active .btn-label,
.card-btn.active .el-icon {
    color: #409EFF;
}
.card-btn .el-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
}
.card-btn .btn-label {
    font-size: 1rem;
    font-weight: 500;
    color: #222;
}
.copyright-box {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    font-size: 0.85rem;
    color: #888;
    text-align: center;
    line-height: 1.6;
    padding: 2vh 0;
    background: linear-gradient(to top, rgba(255,255,255,0.9), transparent);
}
.copyright-box a {
    color: #409EFF;
    text-decoration: none;
    margin: 0 4px;
}
.report-btn {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 10px;
    background: #f56c6c;
    color: #fff;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
}
@media (max-width: 1100px) {
    #app {
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 2vw 1vw;
    }
    .h5-card-container {
        margin-bottom: 2vh;
        height: auto;
    }
    .h5-card {
        margin-bottom: 2vh;
        height: 60vh;
        min-height: 320px;
    }
    .main-content {
        padding: 0;
        height: auto;
        min-width: 320px;
        max-width: 98vw;
    }
    .brand-row, .video-container, .button-group, .copyright-box, .brand-divider {
        max-width: 98vw;
    }
    .video-container {
        height: clamp(160px, 40vw, 260px);
    }
}
@media (max-width: 800px) {
    #app {
        flex-direction: column;
        align-items: center;
        padding: 1vw;
    }
    .h5-card {
        width: 98vw;
        min-width: unset;
        max-width: unset;
        height: 50vh;
        margin: 2vh auto 0 auto;
        min-height: 240px;
        border-radius: 24px;
    }
    .h5-card iframe {
        border-radius: 24px;
    }
    .video-container {
        height: clamp(120px, 60vw, 180px);
        border-radius: 16px;
    }
    .video-logo {
        width: 48px;
        height: 48px;
    }
    .video-title {
        font-size: 1.8rem;
        padding: 6px 14px;
    }
    .video-overlay {
        padding: 16px;
    }
    .main-content {
        padding: 0;
        min-width: unset;
        max-width: 98vw;
        height: auto;
    }
    .brand-row, .video-container, .button-group, .copyright-box, .brand-divider {
        max-width: 98vw;
    }
}
/* 桌面端和移动端显示控制 */
.desktop-only {
    display: block;
}
.desktop-hidden {
    display: none;
}

/* 移动端布局优化 */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    .desktop-hidden {
        display: flex;
    }
    
    #app {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0;
        overflow: hidden;
        height: 100vh;
    }
    
    .main-content {
        display: none !important;
    }
    
    .h5-card-container {
        display: none !important;
    }
    
    /* 移动端首页容器 */
    .mobile-home {
        width: 100vw;
        height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 5vh 6vw;
        box-sizing: border-box;
        gap: 4vh;
        overflow: hidden;
        background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.6) 100%);
    }
    
    /* 移动端头部区域 */
    .mobile-header {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2vh;
        animation: fadeInDown 0.6s ease-out;
        flex-shrink: 0;
    }
    
    .mobile-logo {
        width: 20vw;
        height: 20vw;
        max-width: 90px;
        max-height: 90px;
        min-width: 60px;
        min-height: 60px;
        border-radius: 20px;
        object-fit: cover;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        border: 4px solid rgba(255, 255, 255, 0.9);
    }
    
    .mobile-title {
        font-size: 7vw;
        font-weight: bold;
        color: #333;
        margin: 0;
        letter-spacing: 4px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .mobile-content {
        width: 100%;
        max-width: 420px;
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        padding: 2vh 0;
    }
    
    .mobile-buttons {
        display: flex;
        flex-direction: column;
        gap: 2.5vh;
        width: 100%;
    }
    
    .mobile-btn {
        width: 100%;
        padding: 3.5vh 5vw;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 100%);
        border: none;
        border-radius: 16px;
        display: flex;
        align-items: center;
        gap: 4vw;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        position: relative;
        overflow: hidden;
        flex-shrink: 0;
    }
    
    .mobile-btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(64, 158, 255, 0.12) 0%, rgba(64, 158, 255, 0.04) 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .mobile-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(64, 158, 255, 0.15), 0 2px 8px rgba(0, 0, 0, 0.06);
    }
    
    .mobile-btn:hover::before {
        opacity: 1;
    }
    
    .mobile-btn:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .mobile-btn i {
        font-size: 6vw;
        color: #409EFF;
        position: relative;
        z-index: 1;
        flex-shrink: 0;
    }
    
    .mobile-btn span {
        font-size: 4.5vw;
        font-weight: 600;
        color: #333;
        position: relative;
        z-index: 1;
        letter-spacing: 1px;
    }
}

/* 立体毛玻璃光斑 */
.bg-spot {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.28;
    filter: blur(36px);
    z-index: 0;
    will-change: transform;
    transition: opacity 0.5s;
    backdrop-filter: blur(32px) saturate(1.7);
    -webkit-backdrop-filter: blur(32px) saturate(1.7);
    box-shadow: 0 12px 48px 0 rgba(64,158,255,0.18), 0 2px 24px 0 rgba(255,255,255,0.12) inset;
    border: 2px solid rgba(255,255,255,0.18);
}
.bg-spot1 {
    width: 360px; height: 360px;
    left: 5vw; top: 7vh;
    background: radial-gradient(circle at 60% 40%, #a3bfff 0%, #e0e7ff 80%, transparent 100%);
    animation: spotMove1 6s cubic-bezier(.4,0,.2,1) infinite alternate;
}
.bg-spot2 {
    width: 280px; height: 280px;
    right: 7vw; top: 26vh;
    background: radial-gradient(circle at 40% 60%, #ffe3f7 0%, #fbefff 80%, transparent 100%);
    animation: spotMove2 7s cubic-bezier(.4,0,.2,1) infinite alternate;
}
.bg-spot3 {
    width: 220px; height: 220px;
    left: 16vw; bottom: 5vh;
    background: radial-gradient(circle at 50% 50%, #b3f7ff 0%, #e0f7ff 80%, transparent 100%);
    animation: spotMove3 6.5s cubic-bezier(.4,0,.2,1) infinite alternate;
}

@keyframes spotMove1 {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(220px) scale(1.32); }
}
@keyframes spotMove2 {
    0% { transform: translateX(0) scale(1); }
    100% { transform: translateX(-200px) scale(1.35); }
}
@keyframes spotMove3 {
    0% { transform: translate(0,0) scale(1); }
    100% { transform: translate(180px, -160px) scale(1.32); }
}

body > #app {
    position: relative;
    z-index: 1;
}

/* 移除动感线条相关样式 */
.animated-lines-bg, .animated-line { display: none !important; }