/* 全局变量二次元配色 */
:root {
    --main-purple: #82C4FF;
    --light-blue: #AEC6CF;
    --pink-accent: #FFD1DC;
    --bg-cream: #FBF4FC;
    --card-white: #ffffff;
    --dark-text: #3A2E42;
    --light-text: #705F80;
    --shadow: rgba(200, 162, 200, 0.25);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    /* 二次元渐变背景 */
    background: linear-gradient(135deg, var(--bg-cream), #F0E7FB);
    color: var(--dark-text);
    line-height: 1.7;
}

/* 导航栏 梦幻紫 */
nav {
    background: linear-gradient(90deg, var(--main-purple), #D8B9D8);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 99;
    box-shadow: 0 2px 8px var(--shadow);
}

.nav-box {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #fff;
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-a a {
    color: #fff;
    text-decoration: none;
    margin-left: 30px;
    transition: 0.3s;
}

.nav-a a:hover {
    color: #fff;
    text-shadow: 0 0 6px var(--pink-accent);
}

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

/* 首页头部 */
.hero {
    padding: 80px 0;
    text-align: center;
}

.avatar {
    width: 160px;
    height: 160px;
    border-radius: 10%;
    object-fit: cover;
    border: 4px solid var(--pink-accent);
    box-shadow: 0 0 15px var(--shadow);
    margin-bottom: 20px;
    background-color: #FFD1DC;

}

.hero h1 {
    font-size: 36px;
    margin-bottom: 10px;
    color: var(--dark-text);
}

.hero p {
    color: var(--light-text);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

section {
    padding: 70px 0;
}

.section-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: "";
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--main-purple), var(--light-blue));
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
    border-radius: 3px;
}

/* 关于我 */
.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
    font-size: 17px;
    text-align: center;
    color: var(--light-text);
}

/* 技能卡片 圆角甜系 */
.skill-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.skill-card {
    background: var(--card-white);
    padding: 30px;
    border-radius: 18px;
    box-shadow: 0 3px 12px var(--shadow);
    transition: 0.3s;
    border: 1px solid var(--pink-accent);
}

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px var(--shadow);
    border-color: var(--main-purple);
}

.skill-card h3 {
    margin-bottom: 12px;
    color: var(--main-purple);
}

/* 项目卡片 */
.project-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--card-white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 3px 12px var(--shadow);
    border: 1px solid var(--light-blue);
    transition: 0.3s;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--main-purple);
}

.project-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    margin-bottom: 8px;
    color: var(--dark-text);
}

.project-info p {
    color: var(--light-text);
}

/* 联系板块 */
.contact-box {
    text-align: center;
    background: var(--card-white);
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 3px 12px var(--shadow);
    border: 1px solid var(--pink-accent);
}

.contact-box a {
    display: inline-block;
    margin: 10px 15px;
    color: var(--main-purple);
    font-size: 18px;
    text-decoration: none;
    transition: 0.2s;
}

.contact-box a:hover {
    color: #fff;
    background: var(--main-purple);
    padding: 6px 12px;
    border-radius: 20px;
}

/* 页脚渐变紫 */
footer {
    background: linear-gradient(90deg, var(--main-purple), #D8B9D8);
    color: #fff;
    text-align: center;
    padding: 25px 0;
    margin-top: 30px;
}

/* 手机适配 */
@media(max-width:768px) {
    .nav-box {
        flex-direction: column;
        gap: 15px;
    }

    .nav-a a {
        margin: 0 10px;
    }

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .hero h1 {
        font-size: 28px;
    }
}