随机发病，运势，冷笑话，段子

frontend/60sapi/娱乐消遣/随机发病文学/css/background.css

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+body {
+    background-color: #1a1a1a;
+    color: #e0e0e0;
+    font-family: 'Courier New', Courier, monospace;
+    overflow: hidden;
+    margin: 0;
+    padding: 0;
+}
+
+#bg-container {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    z-index: -2;
+    overflow: hidden;
+    transition: transform 0.2s ease-out;
+}
+
+.floating-emoji {
+    position: absolute;
+    user-select: none;
+    opacity: 0;
+    animation-iteration-count: infinite;
+    animation-timing-function: linear;
+}
+
+@keyframes float-top-to-bottom {
+    0% { transform: translateY(-10vh) rotate(0deg); opacity: 0; }
+    10%, 90% { opacity: 0.7; }
+    100% { transform: translateY(110vh) rotate(360deg); opacity: 0; }
+}
+
+@keyframes float-bottom-to-top {
+    0% { transform: translateY(110vh) rotate(0deg); opacity: 0; }
+    10%, 90% { opacity: 0.7; }
+    100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
+}
+
+@keyframes float-left-to-right {
+    0% { transform: translateX(-10vw) rotate(0deg); opacity: 0; }
+    10%, 90% { opacity: 0.7; }
+    100% { transform: translateX(110vw) rotate(360deg); opacity: 0; }
+}
+
+@keyframes float-right-to-left {
+    0% { transform: translateX(110vw) rotate(0deg); opacity: 0; }
+    10%, 90% { opacity: 0.7; }
+    100% { transform: translateX(-10vw) rotate(360deg); opacity: 0; }
+}
+
+.text-fragment {
+    position: absolute;
+    font-size: 24px;
+    color: rgba(255, 0, 255, 0.4);
+    opacity: 0;
+    animation: float-fragment 15s linear infinite, fade-in-out 15s linear infinite;
+    user-select: none;
+}
+
+@keyframes float-fragment {
+    0% { transform: translate(0, 0) rotate(0deg); }
+    25% { transform: translate(20px, 40px) rotate(15deg); }
+    50% { transform: translate(-30px, -10px) rotate(-10deg); }
+    75% { transform: translate(10px, -30px) rotate(5deg); }
+    100% { transform: translate(0, 0) rotate(0deg); }
+}
+
+@keyframes fade-in-out {
+    0%, 100% { opacity: 0; }
+    10%, 90% { opacity: 0.4; }
+}
+
+.screen-crack {
+    position: absolute;
+    width: 200px;
+    height: 200px;
+    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"><path d="M 100 100 L 0 0 M 100 100 L 200 0 M 100 100 L 50 200 M 100 100 L 150 200" stroke="rgba(255,255,255,0.5)" stroke-width="1" fill="none"/></svg>');
+    opacity: 0;
+    animation: flicker-crack 25s steps(1, end) infinite;
+}
+
+@keyframes flicker-crack {
+    0%, 100% { opacity: 0; }
+    50% { opacity: 0.3; }
+    51% { opacity: 0; }
+    75% { opacity: 0.2; }
+    76% { opacity: 0; }
+}