body {
    background: #f4f5f7;
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #2c3e50;
    line-height: 1.8;
    padding: 20px;
    max-width: 820px;
    margin: 0 auto;
}

/* 轮次标识 */
.round-badge {
    display: inline-block;
    background: #2c3e50;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

/* 叙事正文卡片 */
.narrative {
    background: #ffffff;
    padding: 24px 28px 16px 28px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    margin-bottom: 16px;
    border: 1px solid #eef0f2;
}

.narrative p {
    margin-bottom: 14px;
    text-indent: 2em;
}

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

.transition {
    color: #7f8c8d;
    font-style: italic;
    text-align: right;
    font-size: 14px;
    border-top: 1px dashed #e0e3e6;
    padding-top: 12px;
    margin-top: 6px;
}

/* 折叠面板 */
details {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #eef0f2;
    margin-bottom: 16px;
    overflow: hidden;
}

details summary {
    font-weight: 600;
    padding: 14px 20px;
    cursor: pointer;
    background: #fafbfc;
    border-bottom: 1px solid #eef0f2;
    font-size: 15px;
    color: #2c3e50;
    user-select: none;
}

details summary:hover {
    background: #f5f6f8;
}

details[open] {
    padding-bottom: 6px;
}

details > div {
    padding: 14px 20px 16px 20px;
}

/* 状态面板内部 */
.status-block {
    background: #fafbfc;
    border-radius: 12px;
    padding: 14px 18px;
    border: 1px solid #eef0f2;
    font-size: 14px;
}

.status-block .label {
    color: #7f8c8d;
    font-weight: 500;
}

.status-block .inner-quote {
    font-style: italic;
    color: #2c3e50;
    background: #fff;
    padding: 8px 14px;
    border-radius: 8px;
    border-left: 3px solid #dce0e4;
    margin: 6px 0 0 0;
}

/* 数值行 */
.var-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 32px;
    padding: 10px 0 4px 0;
    border-top: 1px solid #f0f2f4;
    font-size: 14px;
    margin-top: 8px;
}

.var-row span {
    background: #f7f8fa;
    padding: 2px 14px;
    border-radius: 12px;
    font-weight: 500;
}

.sys-hint {
    font-size: 13px;
    color: #7f8c8d;
    background: #fafbfc;
    padding: 6px 16px;
    border-radius: 8px;
    border-left: 3px solid #b0b8c0;
    margin-top: 10px;
}

/* 分支选项 */
.branches {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #eef0f2;
    padding: 16px 20px 18px 20px;
}

.branches-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.branch-item {
    padding: 6px 0 6px 18px;
    font-size: 14px;
    border-left: 3px solid #dce0e4;
    margin-bottom: 4px;
    color: #34495e;
    transition: border-color 0.2s;
}

.branch-item:hover {
    border-left-color: #2c3e50;
}

.branch-item:last-child {
    margin-bottom: 0;
}

.branch-item::before {
    content: "▸ ";
    color: #7f8c8d;
}

.branch-custom {
    border-left-color: #b0b8c0;
    color: #7f8c8d;
}

hr {
    border: none;
    border-top: 1px solid #eef0f2;
    margin: 12px 0;
}