.ring-menu-container {
    position: relative;
    width: min(1000px, 90vw);
    height: min(1000px, 90vw);
    max-width: 100%;
    max-height: 100%;
}

/* 中心图片 */
.center-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(200px, 48vw, 480px);
    height: clamp(200px, 48vw, 480px);
    z-index: 100;
    border-radius: 50%;
    overflow: hidden;
    background: rgba(255,255,255,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.center-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 提示框 */
.tooltip {
    position: fixed;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: clamp(8px, 2vw, 16px);
    border-radius: 8px;
    font-size: clamp(12px, 3vw, 14px);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 1000;
    max-width: 90vw;
}

.tooltip.show {
    opacity: 1;
}

.title_h1{
    font-size: 60px;
    padding: 20px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(120deg, #0a8080 0%, #0a8080 100%);
    color: white;
    border-radius: 0 0 30px 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    transform: rotate(30deg);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    letter-spacing: 1px;
    text-shadow: 0 3px 6px rgba(0,0,0,0.3);
    position: relative;
    font-weight: 700;
}
.subtitle {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
    font-weight: 300;
    position: relative;
}

.stats-bar {
    display: flex;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    padding: 20px;
    margin: 30px auto 0;
    max-width: 900px;
    flex-wrap: wrap;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-item {
    padding: 15px 25px;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item:last-child {
    border-right: none;
}

.stat-value {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.stat-label {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
}


@media (max-width: 768px) {
    .center-logo {
        width: clamp(160px, 36vw, 280px);
        height: clamp(160px, 36vw, 280px);
    }
}