/* 全局样式：奶油米白底色 + 粗黑描边 + 圆角卡片 + 治愈复古风 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background-color: #fff9f0;
    color: #333;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1.8;
    font-size: 15px;
}
a {
    color: #444;
    text-decoration: none;
}
a:hover {
    color: #e66c6c;
}
ul,li {
    list-style: none;
}
img {
    max-width: 100%;
    border-radius: 8px;
}

/* 容器 两栏布局 */
.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
}
.container {
    display: flex;
    gap: 25px;
}
.main {
    width: 68%;
}
.sidebar {
    width: 32%;
}
@media (max-width: 768px) {
    .container { flex-direction: column; }
    .main,.sidebar { width: 100%; }
}

/* 卡片样式 核心：粗轮廓+圆角+阴影 */
.card {
    background: #ffffff;
    border: 3px solid #222;
    border-radius: 18px;
    padding: 20px;
    margin-bottom: 22px;
    box-shadow: 5px 5px 0 #222;
}
.card-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px dashed #ddd;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    background: #ff7a7a;
    border: 2px solid #222;
    border-radius: 10px;
    padding: 7px 18px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}
.btn:hover {
    opacity: 0.9;
}

/* 导航栏 */
.nav {
    background: #fff;
    border-bottom: 3px solid #222;
    padding: 12px 0;
    margin-bottom: 20px;
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.nav a {
    padding: 6px 14px;
    border: 2px solid #222;
    border-radius: 8px;
    background: #fff;
}
.nav a.active {
    background: #ffd89b;
}

/* 表单元素 */
input,textarea,select {
    width: 100%;
    padding: 10px;
    border: 2px solid #222;
    border-radius: 10px;
    margin-bottom: 12px;
    background: #fff;
    font-size: 14px;
}

/* 分页 */
.page {
    margin: 20px 0;
    text-align: center;
}
.page a,.page span {
    display: inline-block;
    border: 2px solid #222;
    border-radius: 6px;
    padding: 4px 10px;
    margin: 0 3px;
}
.page span {
    background: #ffd89b;
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    border-top: 2px dashed #ccc;
}

/* 友链双列、四宫格、三宫格通用 */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 15px;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 15px;
}
@media (max-width:768px){
    .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
}