@import url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&display=swap');

/* ==================== 交互控制开关 ==================== */
/* 粒子效果控制开关 - 固定在右下角 */
#particle-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10000;
    background: linear-gradient(135deg, #ff0000, #ff6b6b);
    border: 2px solid gold;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(255, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    transition: all 0.3s ease;
    user-select: none;
}

#particle-toggle:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 30px rgba(255, 215, 0, 0.8);
}

#particle-toggle.active {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    animation: toggle-pulse 1.5s ease-in-out infinite;
}

@keyframes toggle-pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
    }
    50% {
        box-shadow: 0 6px 35px rgba(255, 215, 0, 1);
    }
}

/* 粒子画布 */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.5s ease;
}

#particle-canvas.active {
    opacity: 1;
    pointer-events: auto;
}

/* ==================== 新年祝福横幅 ==================== */
#cnblogs_post_body::before,
.day::before {
    content: "⌨️ 码 上 发 财🖱️";
    display: block;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ff0000, #ff6b6b);
    color: gold;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.2rem;
    font-weight: bold;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(255, 0, 0, 0.5);
    animation: banner-glow 2s ease-in-out infinite;
    border: 2px solid gold;
    pointer-events: none;
}

@keyframes banner-glow {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(255, 0, 0, 0.5);
    }
    50% {
        box-shadow: 0 4px 30px rgba(255, 215, 0, 0.8);
    }
}

/* ==================== 对联装饰 ==================== */
/* 左侧对联 */
body::before {
    content: "烦恼一骑绝尘去";
    white-space: pre;
    position: fixed;
    left: 3%;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(180deg, #ff0000, #cc0000);
    color: gold;
    padding: 2rem 0.8rem;
    border-radius: 8px;
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 2.5rem;
    text-align: center;
    writing-mode: vertical-rl;
    letter-spacing: 0.3rem;
    z-index: 9997;
    border: 3px solid gold;
    box-shadow: 0 4px 20px rgba(255, 0, 0, 0.6);
    pointer-events: none;
}

/* 右侧对联 */
#sideBar::before {
    content: "钞票万马奔腾来";
    white-space: pre;
    position: fixed;
    right: 3%;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(180deg, #ff0000, #cc0000);
    color: gold;
    padding: 2rem 0.8rem;
    border-radius: 8px;
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 2.5rem;
    text-align: center;
    writing-mode: vertical-rl;
    letter-spacing: 0.3rem;
    z-index: 9997;
    border: 3px solid gold;
    box-shadow: 0 4px 20px rgba(255, 0, 0, 0.6);
    pointer-events: none;
}

/* ==================== 灯笼装饰 ==================== */
/* 灯笼装饰 - 左上 */
#header::before {
    content: "🏮";
    position: fixed;
    top: 90px;
    left: 8%;
    font-size: 2.5rem;
    animation: lantern-swing 3s ease-in-out infinite;
    filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.5));
    z-index: 9997;
    pointer-events: none;
}

/* 灯笼装饰 - 右上 */
#header::after {
    content: "🏮";
    position: fixed;
    top: 90px;
    right: 8%;
    font-size: 2.5rem;
    animation: lantern-swing 3s ease-in-out infinite 0.5s;
    filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.5));
    z-index: 9997;
    pointer-events: none;
}

@keyframes lantern-swing {
    0%, 100% {
        transform: rotate(-8deg);
    }
    50% {
        transform: rotate(8deg);
    }
}

/* ==================== 红包装饰 ==================== */
/* 红包装饰 - 左中 */
.postTitle::before {
    content: "🧧";
    position: fixed;
    top: 180px;
    left: 15%;
    font-size: 2rem;
    animation: hongbao-swing 4s ease-in-out infinite 0.3s;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.6));
    z-index: 9996;
    pointer-events: none;
}

/* 红包装饰 - 右中 */
.postTitle::after {
    content: "🧧";
    position: fixed;
    top: 180px;
    right: 15%;
    font-size: 2rem;
    animation: hongbao-swing 4s ease-in-out infinite 0.8s;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.6));
    z-index: 9996;
    pointer-events: none;
}

@keyframes hongbao-swing {
    0%, 100% {
        transform: translateY(0) rotate(-5deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* ==================== 金色粒子效果 ==================== */
/* 金色粒子效果 - 左上角 */
#navList::before {
    content: "";
    position: fixed;
    width: 8px;
    height: 8px;
    background: gold;
    border-radius: 50%;
    top: 130px;
    left: 20%;
    animation: gold-twinkle 2s ease-in-out infinite;
    box-shadow: 0 0 10px gold;
    z-index: 9995;
    pointer-events: none;
}

/* 金色粒子效果 - 右上角 */
#navList::after {
    content: "";
    position: fixed;
    width: 8px;
    height: 8px;
    background: gold;
    border-radius: 50%;
    top: 130px;
    right: 20%;
    animation: gold-twinkle 2s ease-in-out infinite 0.5s;
    box-shadow: 0 0 10px gold;
    z-index: 9995;
    pointer-events: none;
}

@keyframes gold-twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* ==================== 烟花粒子容器 ==================== */
/* 烟花粒子容器 - 使用博客园现有元素 */
#blogTitle::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9990;
    background-image:
        radial-gradient(circle, #ff0000 2px, transparent 2px),
        radial-gradient(circle, #ffd700 2px, transparent 2px),
        radial-gradient(circle, #ff6b6b 2px, transparent 2px),
        radial-gradient(circle, #ffa500 2px, transparent 2px);
    background-size: 200px 200px, 300px 300px, 250px 250px, 350px 350px;
    background-position: 0 0, 50px 50px, 100px 100px, 150px 150px;
    animation: firework-fall 15s linear infinite;
    opacity: 0.6;
}

@keyframes firework-fall {
    0% {
        background-position: 0 -100px, 50px -50px, 100px -150px, 150px -200px;
    }
    100% {
        background-position: 0 100vh, 50px calc(100vh + 50px), 100px calc(100vh + 100px), 150px calc(100vh + 150px);
    }
}

/* ==================== 页面布局调整 ==================== */
/* 页面顶部留出空间给新年横幅 */
#home {
    margin-top: 80px !important;
}

/* 让装饰不影响文字选择 */
body::before,
#cnblogs_post_body::before,
.day::before,
#header::before,
#header::after,
#blogTitle::after,
#sideBar::before,
.postTitle::before,
.postTitle::after,
#navList::before,
#navList::after {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
}

/* ==================== 响应式设计 ==================== */
/* 响应式设计 - 手机端优化 */
@media (max-width: 768px) {
    #cnblogs_post_body::before,
    .day::before {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }

    #header::before,
    #header::after {
        font-size: 1.8rem;
        top: 70px;
    }

    .postTitle::before,
    .postTitle::after {
        font-size: 1.5rem;
    }

    body::before,
    #sideBar::before {
        font-size: 1.2rem;
        padding: 1.5rem 0.6rem;
    }

    #particle-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

/* ==================== 提示信息 ==================== */
/* 粒子控制提示 */
#particle-hint {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: rgba(0, 0, 0, 0.8);
    color: gold;
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 0.9rem;
    z-index: 9999;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
    border: 1px solid gold;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

#particle-hint.show {
    opacity: 1;
    transform: translateY(0);
}