* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease-in-out;
}

a:hover {
    color: #1783FF;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    outline: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th, td {
    text-align: left;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: normal;
    line-height: 1.4;
}

p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

:root {
    --primary-color: #1783FF;
    --secondary-color: #00C9C9;
    --accent-color: #F0884D;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-gray: #F5F5F5;
    --border-color: #E5E5E5;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition-fast: 0.3s ease-in-out;
    --transition-normal: 0.5s ease-in-out;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}