/* 绿色主题全局样式 */
:root {
    --main-green: #4CAF50;
    --dark-green: #2E7D32;
    --light-green: #81C784;
    --bg-green: #E8F5E9;
    --text-dark: #263238;
    --text-gray: #607D8B;
    --white: #ffffff;
    --radius: 8px;
}

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

body {
    background-color: var(--bg-green);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 导航栏 */
.header {
    background-color: var(--dark-green);
    color: white;
    padding: 14px 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}

.nav-list {
    display: flex;
    gap: 26px;
    list-style: none;
}

    .nav-list a {
        color: #fff;
        text-decoration: none;
        font-size: 15px;
        padding: 6px 10px;
        border-radius: var(--radius);
        transition: 0.25s;
    }

        .nav-list a:hover {
            background-color: var(--light-green);
            color: var(--dark-green);
        }

/* 按钮样式 */
.btn {
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 15px;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--main-green);
    color: white;
}

    .btn-primary:hover {
        background: var(--dark-green);
    }

.btn-light {
    background: var(--light-green);
    color: #fff;
}

.btn-danger {
    background: #ef5350;
    color: white;
}

/* 卡片通用 */
.card {
    background: white;
    border-radius: var(--radius);
    padding: 18px;
    margin: 16px 0;
    box-shadow: 0 1px 5px rgba(76,175,80,0.15);
}

.card-title {
    font-size: 19px;
    color: var(--dark-green);
    margin-bottom: 12px;
    border-left: 4px solid var(--main-green);
    padding-left: 10px;
}

/* 表单样式 */
.form-item {
    margin: 14px 0;
}

    .form-item label {
        display: block;
        margin-bottom: 6px;
        font-weight: 500;
    }

.form-input, textarea, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--light-green);
    border-radius: var(--radius);
    font-size: 15px;
    outline: none;
}

    .form-input:focus, textarea:focus, select:focus {
        border-color: var(--main-green);
        box-shadow: 0 0 0 2px rgba(76,175,80,0.2);
    }

/* 列表、评论 */
.item-row {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.like-btn, .comment-btn {
    color: var(--main-green);
    cursor: pointer;
    margin-right: 18px;
}

.comment-box {
    background: #f1f8e9;
    padding: 12px;
    border-radius: var(--radius);
    margin: 8px 0;
}

/* 底部 */
.footer {
    text-align: center;
    padding: 24px 0;
    margin-top: 40px;
    color: var(--text-gray);
}