/* 互动游戏页面 */
.interactive-hero {
    padding: 8rem 2rem 5rem;
    text-align: center;
}

.game-section {
    padding: 3rem 2rem 8rem;
}

.game-card {
    background: rgba(30, 27, 60, 0.6);
    border: 2px solid rgba(123, 104, 238, 0.3);
    border-radius: 25px;
    padding: 3rem;
    margin-bottom: 3rem;
    backdrop-filter: blur(10px);
}

.game-card.full-width {
    grid-column: 1 / -1;
}

.game-header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.game-title {
    font-size: 2rem;
    color: var(--cyan);
    margin-bottom: 0.8rem;
}

.game-desc {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
}

/* 爱心树 */
.love-tree {
    text-align: center;
}

.tree-container {
    position: relative;
    width: 200px;
    height: 250px;
    margin: 0 auto 2rem;
}

.tree-trunk {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 100px;
    background: linear-gradient(to bottom, #8B4513, #654321);
    border-radius: 5px;
}

.tree-leaves {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 150px;
}

.leaf {
    position: absolute;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, var(--cyan), var(--cosmic-purple));
    border-radius: 50%;
    opacity: 0.7;
    animation: leaf-float 3s ease-in-out infinite;
}

.leaf:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.leaf:nth-child(2) { top: 30px; left: 10px; animation-delay: 0.5s; }
.leaf:nth-child(3) { top: 30px; right: 10px; animation-delay: 1s; }
.leaf:nth-child(4) { top: 70px; left: 20px; animation-delay: 1.5s; }
.leaf:nth-child(5) { top: 70px; right: 20px; animation-delay: 2s; }

@keyframes leaf-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.tree-hearts {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.heart {
    position: absolute;
    font-size: 1.5rem;
    animation: heart-pop 2s ease-in-out infinite;
}

.heart:nth-child(1) { top: 20%; left: 30%; animation-delay: 0s; }
.heart:nth-child(2) { top: 40%; right: 20%; animation-delay: 0.7s; }
.heart:nth-child(3) { top: 60%; left: 40%; animation-delay: 1.4s; }

@keyframes heart-pop {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.tree-stats {
    margin-bottom: 2rem;
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
}

.tree-stats p {
    margin: 0.5rem 0;
}

.tree-btn {
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--cyan), var(--cosmic-purple));
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.tree-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(123, 104, 238, 0.4);
}

/* 心情留言板 */
.mood-board {
    max-width: 600px;
    margin: 0 auto;
}

.mood-input textarea {
    width: 100%;
    padding: 1.5rem;
    background: rgba(10, 17, 40, 0.6);
    border: 2px solid rgba(123, 104, 238, 0.3);
    border-radius: 15px;
    color: white;
    font-size: 1.1rem;
    font-family: inherit;
    resize: none;
    margin-bottom: 1.5rem;
}

.mood-input textarea::placeholder {
    color: rgba(255,255,255,0.5);
}

.mood-emotions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.emotion {
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: transform 0.3s;
}

.emotion:hover {
    transform: scale(1.3);
}

.mood-submit {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--pink), var(--cosmic-purple));
    border: none;
    border-radius: 15px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 3rem;
}

.mood-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 105, 180, 0.4);
}

.mood-messages {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mood-msg {
    background: rgba(10, 17, 40, 0.6);
    border: 1px solid rgba(123, 104, 238, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
}

.msg-emotion {
    font-size: 2rem;
}

.msg-text {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
}

.msg-time {
    font-size: 0.9rem;
    color: var(--pink);
}

/* 星座连线游戏 */
.constellation-game {
    text-align: center;
}

#constellation {
    max-width: 100%;
    height: auto;
    background: rgba(10, 17, 40, 0.8);
    border-radius: 15px;
    border: 2px solid rgba(123, 104, 238, 0.3);
    cursor: crosshair;
    margin-bottom: 2rem;
}

.game-controls {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.control-btn {
    padding: 0.8rem 2rem;
    background: rgba(123, 104, 238, 0.3);
    border: 2px solid var(--cosmic-purple);
    border-radius: 50px;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.control-btn:hover {
    background: var(--cosmic-purple);
    transform: translateY(-2px);
}

.game-tip {
    color: rgba(255,255,255,0.6);
    font-size: 1rem;
}

/* 倒计时 */
.countdown-box {
    text-align: center;
}

.countdown-event h4 {
    font-size: 1.8rem;
    color: var(--pink);
    margin-bottom: 2rem;
}

.countdown-timer {
    display: flex;
    gap: 3rem;
    justify-content: center;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-num {
    font-size: 4rem;
    font-weight: 700;
    color: var(--cyan);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.time-label {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.7);
}

@media (max-width: 768px) {
    .interactive-hero {
        padding: 6rem 1.5rem 3rem;
    }

    .game-section {
        padding: 2rem 1.5rem 5rem;
    }

    .game-card {
        padding: 2rem 1.5rem;
    }

    .game-title {
        font-size: 1.6rem;
    }

    #constellation {
        width: 100%;
        height: 300px;
    }

    .countdown-timer {
        gap: 1.5rem;
    }

    .time-num {
        font-size: 3rem;
    }

    .mood-msg {
        grid-template-columns: auto 1fr;
        gap: 1rem;
    }

    .msg-time {
        grid-column: 2 / 3;
        text-align: right;
    }
}