把大致框架搭好1

frontend/60sapi/实用功能/实时天气/css/background.css

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+/* 背景样式文件 */
+body {
+    background: linear-gradient(135deg, #e8f5e8 0%, #d4f1d4 25%, #c8ecc8 50%, #b8e6b8 75%, #a8d5ba 100%);
+    background-attachment: fixed;
+    background-size: 400% 400%;
+    animation: gradientShift 15s ease infinite;
+    position: relative;
+    overflow-x: hidden;
+}
+
+/* 背景渐变动画 */
+@keyframes gradientShift {
+    0% {
+        background-position: 0% 50%;
+    }
+    50% {
+        background-position: 100% 50%;
+    }
+    100% {
+        background-position: 0% 50%;
+    }
+}
+
+/* 背景装饰元素 */
+body::before {
+    content: '';
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-image: 
+        radial-gradient(circle at 20% 80%, rgba(168, 213, 186, 0.1) 0%, transparent 50%),
+        radial-gradient(circle at 80% 20%, rgba(107, 183, 123, 0.1) 0%, transparent 50%),
+        radial-gradient(circle at 40% 40%, rgba(200, 236, 200, 0.1) 0%, transparent 50%);
+    pointer-events: none;
+    z-index: -1;
+}
+
+/* 浮动装饰圆点 */
+body::after {
+    content: '';
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-image:
+        radial-gradient(2px 2px at 20px 30px, rgba(168, 213, 186, 0.3), transparent),
+        radial-gradient(2px 2px at 40px 70px, rgba(107, 183, 123, 0.2), transparent),
+        radial-gradient(1px 1px at 90px 40px, rgba(200, 236, 200, 0.4), transparent),
+        radial-gradient(1px 1px at 130px 80px, rgba(168, 213, 186, 0.2), transparent),
+        radial-gradient(2px 2px at 160px 30px, rgba(107, 183, 123, 0.3), transparent);
+    background-repeat: repeat;
+    background-size: 200px 100px;
+    animation: float 20s linear infinite;
+    pointer-events: none;
+    z-index: -1;
+}
+
+@keyframes float {
+    0% {
+        transform: translateY(0px);
+    }
+    50% {
+        transform: translateY(-10px);
+    }
+    100% {
+        transform: translateY(0px);
+    }
+}
+
+/* 云朵装饰效果 */
+.container::before {
+    content: '';
+    position: absolute;
+    top: -50px;
+    right: -50px;
+    width: 200px;
+    height: 100px;
+    background: rgba(255, 255, 255, 0.1);
+    border-radius: 50px;
+    box-shadow: 
+        -30px 20px 0 rgba(255, 255, 255, 0.08),
+        30px 40px 0 rgba(255, 255, 255, 0.06);
+    animation: cloudFloat 25s ease-in-out infinite;
+    pointer-events: none;
+    z-index: -1;
+}
+
+.container::after {
+    content: '';
+    position: absolute;
+    bottom: -30px;
+    left: -30px;
+    width: 150px;
+    height: 80px;
+    background: rgba(255, 255, 255, 0.08);
+    border-radius: 40px;
+    box-shadow: 
+        20px 15px 0 rgba(255, 255, 255, 0.06),
+        -20px 25px 0 rgba(255, 255, 255, 0.04);
+    animation: cloudFloat 30s ease-in-out infinite reverse;
+    pointer-events: none;
+    z-index: -1;
+}
+
+@keyframes cloudFloat {
+    0%, 100% {
+        transform: translateX(0px) translateY(0px);
+    }
+    25% {
+        transform: translateX(20px) translateY(-10px);
+    }
+    50% {
+        transform: translateX(-10px) translateY(-20px);
+    }
+    75% {
+        transform: translateX(15px) translateY(-5px);
+    }
+}
+
+/* 响应式背景调整 */
+@media (max-width: 768px) {
+    body::after {
+        background-size: 150px 75px;
+    }
+    
+    .container::before,
+    .container::after {
+        display: none;
+    }
+}
+
+@media (max-width: 480px) {
+    body {
+        background: linear-gradient(135deg, #e8f5e8 0%, #d4f1d4 50%, #a8d5ba 100%);
+        animation: none;
+    }
+    
+    body::before,
+    body::after {
+        display: none;
+    }
+}