/* ========== 文章列表页 / 详情页 双栏布局 ========== */

/* 白块居中，墨绿块绝对定位贴左 40px */
.agri-main {
    position: relative;
    padding: 100px 0 60px 0;
    box-sizing: border-box;
}

/* 墨绿块：贴屏幕左边 40px */
.agri-side {
    position: absolute;
    left: 40px;
    top: 100px;
    width: 280px;
    background: #1f2d23;
    color: #d8e3d8;
    border-radius: 8px;
    padding: 24px 18px;
    box-sizing: border-box;
}
.agri-side-head h2 {
    margin: 0 0 4px;
    font-size: 18px;
    color: #fff;
    letter-spacing: 2px;
}
.agri-side-head p {
    margin: 0 0 16px;
    font-size: 11px;
    letter-spacing: 2px;
    color: #7c8f7c;
    border-bottom: 1px solid rgba(255,255,255,.12);
    padding-bottom: 12px;
}
.agri-toc { display: flex; flex-direction: column; }
.agri-toc a {
    color: #b8c8b8;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.5;
    padding: 9px 10px;
    border-radius: 4px;
    transition: background .2s, color .2s;
}
.agri-toc a:hover { background: rgba(255,255,255,.08); color: #fff; }
.agri-toc a.active { background: rgba(255,255,255,.14); color: #fff; font-weight: 600; }

/* 白块：宽 1200px，水平居中 */
.agri-chapter {
    width: 1200px;
    max-width: calc(100% - 80px);
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    padding: 48px 64px;
    box-shadow: 0 2px 14px rgba(0,0,0,.05);
    box-sizing: border-box;
}
.agri-chapter h1 {
    font-size: 30px;
    line-height: 1.4;
    margin: 0 0 10px;
    color: #1f2d23;
}
.chap-meta {
    color: #999;
    font-size: 13px;
    margin-bottom: 26px;
    padding-bottom: 14px;
    border-bottom: 1px dashed #e5e5e5;
}

.reader-guide {
    font-size: 15px;
    line-height: 1.9;
    color: #555;
}
.reader-guide strong { color: #5a8c4a; font-size: 18px; }
.btn-start {
    display: inline-block;
    margin-top: 18px;
    padding: 10px 22px;
    background: #1f2d23;
    color: #fff !important;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: background .2s;
}
.btn-start:hover { background: #5a8c4a; }

.agri-content {
    font-size: 16px;
    line-height: 1.9;
    color: #333;
    word-break: break-word;
}
.agri-content p { margin: 0 0 16px; }
.agri-content img { max-width: 100%; height: auto; border-radius: 6px; }
.agri-content h2, .agri-content h3 { color: #1f2d23; margin: 28px 0 12px; }

.chap-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 44px;
    padding-top: 22px;
    border-top: 1px dashed #e5e5e5;
}
.chap-nav a {
    color: #1f2d23;
    text-decoration: none;
    font-size: 14px;
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.chap-nav a:hover { color: #5a8c4a; }
.chap-nav a.disabled { color: #bbb; cursor: default; }

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
}
#app {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}
#app > .agri-main { flex: 1 0 auto; }