* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at top, #ffe3ee, #ffffff);
    overflow: hidden;
}

/* 🌸 背景流光 */
.bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 120, 170, 0.25), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(255, 180, 210, 0.25), transparent 45%);
    filter: blur(90px);
    z-index: -1;
    animation: floatBg 8s ease-in-out infinite;
}

/* 📱 App外壳 */
.app {
    width: 92%;
    max-width: 420px;
    padding: 20px;
    border-radius: 32px;
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(25px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.10);
    animation: fadeIn 0.6s ease;
}

/* 💕 主卡 */
.main-card {
    text-align: center;
    padding: 18px 10px;
}

.logo {
    font-size: 46px;
    animation: float 3s ease-in-out infinite;
}

h1 {
    font-size: 26px;
    margin-top: 8px;
}

.subtitle {
    font-size: 13px;
    color: #666;
    margin-top: 5px;
}

/* 在线人数 */
.online {
    margin-top: 10px;
    font-size: 13px;
    color: #444;
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #34c759;
    border-radius: 50%;
    margin-right: 5px;
    animation: pulse 1.4s infinite;
}

/* 🔥 主按钮（抽纸条） */
.big-btn {
    display: block;
    margin-top: 14px;
    padding: 16px;
    border-radius: 24px;
    text-decoration: none;
    color: #333;
    background: rgba(255,255,255,0.85);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: 0.25s;
    position: relative;
    overflow: hidden;
}

/* 主按钮强化 */
.big-btn.primary {
    background: linear-gradient(135deg,#ff4d7d,#ff9ac1);
    color: white;
    box-shadow: 0 15px 35px rgba(255,77,125,0.35);
}

/* 按钮标题 */
.big-btn span {
    display: block;
    font-size: 12px;
    opacity: 0.9;
    margin-top: 4px;
}

/* hover效果 */
.big-btn:hover {
    transform: translateY(-4px) scale(1.01);
}

/* 点击反馈 */
.big-btn:active {
    transform: scale(0.97);
}

/* 🌸 动画 */
@keyframes fadeIn {
    from {opacity: 0; transform: translateY(20px);}
    to {opacity: 1; transform: translateY(0);}
}

@keyframes float {
    0%,100% {transform: translateY(0);}
    50% {transform: translateY(-6px);}
}

@keyframes pulse {
    0% {transform: scale(1); opacity: 1;}
    50% {transform: scale(1.5); opacity: 0.5;}
    100% {transform: scale(1); opacity: 1;}
}

@keyframes floatBg {
    0%,100% {transform: scale(1);}
    50% {transform: scale(1.05);}
}.hint {
    text-align: center;
    font-size: 13px;
    color: #666;
    margin-top: 10px;
    animation: fadeIn 0.6s ease;
}

.stats {
    margin-top: 10px;
    padding: 12px;
    border-radius: 16px;
    background: rgba(255,255,255,0.6);
    font-size: 12px;
    color: #444;
    text-align: center;
    line-height: 1.6;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

/* 🔥 主按钮强化（核心转化点） */
.big-btn.primary {
    position: relative;
    animation: pulseBtn 2.5s infinite;
    border: 2px solid rgba(255,77,125,0.3);
}

/* 呼吸动画 */
@keyframes pulseBtn {
    0% {
        transform: scale(1);
        box-shadow: 0 15px 35px rgba(255,77,125,0.25);
    }
    50% {
        transform: scale(1.03);
        box-shadow: 0 20px 45px rgba(255,77,125,0.45);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 15px 35px rgba(255,77,125,0.25);
    }
}.ripple {
    position: absolute;
    background: rgba(255,255,255,0.6);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(3);
        opacity: 0;
    }
}.big-btn.primary {
    position: relative;
    animation: pulseMain 2.2s infinite;
}

/* 🔥 主按钮呼吸（更强） */
@keyframes pulseMain {
    0% {
        transform: scale(1);
        box-shadow: 0 15px 35px rgba(255,77,125,0.25);
    }
    50% {
        transform: scale(1.04);
        box-shadow: 0 25px 60px rgba(255,77,125,0.45);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 15px 35px rgba(255,77,125,0.25);
    }
}

/* 💥 点击波纹 */
.ripple {
    position: absolute;
    background: rgba(255,255,255,0.6);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(3);
        opacity: 0;
    }
}

/* 💬 引导轻提示 */
.hint {
    transition: 0.3s;
}.big-btn.primary {
    transition: all 0.2s ease;
}

/* 🔥 更强波纹 */
.ripple {
    position: absolute;
    background: rgba(255,255,255,0.65);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.7s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(3.2);
        opacity: 0;
    }
}

/* 💬 FOMO提示增强 */
.hint {
    transition: 0.25s;
    font-weight: 500;
}.ripple {
    position: absolute;
    background: rgba(255,255,255,0.7);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.8s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(3.5);
        opacity: 0;
    }
}

.big-btn.primary {
    transition: all 0.2s ease;
}