/* =========================================================
   《现代信息科技》官网 · 蓝色学术风样式
   参考《物联网技术》期刊官网（方正期刊平台）配色
   主色 #004198 / #3655ae / 强调 #3699ff · 浅灰底 #f5f5f5
   ========================================================= */

:root {
  --c-primary: #31659f;
  --c-primary-2: #4d87c2;
  --c-accent: #3f8ad0;
  --c-primary-dark: #275585;
  --c-bg: #f7f9fc;
  --c-card: #ffffff;
  --c-line: #e6ecf5;
  --c-text: #35485c;
  --c-muted: #7c8ba1;
  --c-muted-2: #a3a8ae;
  /* 主题配色扩展变量：由后台「网站优化 → 主题配色」整体覆盖，默认值 = 蓝色学术风 */
  --c-soft: #eaf1fb;        /* 浅色底：标签、hover 状态 */
  --c-banner-from: #4b7cb2; /* 顶部横幅 / 页脚渐变起始色 */
  --c-strip-from: #2a5787;  /* 投稿入口色带渐变（左） */
  --c-strip-mid: #31659f;   /* 投稿入口色带渐变（中） */
  --c-strip-to: #4d87c2;    /* 投稿入口色带渐变（右） */
  --maxw: 1200px;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(31, 76, 128, .07);
  --shadow-hover: 0 6px 22px rgba(49, 101, 159, .16);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-accent); }

img { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* 仅供搜索引擎与读屏软件识别的页面主标题：视觉隐藏，不占位、不影响布局 */
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- 区块通用 ---------- */
.section { padding: 46px 0; }
.section-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 26px; }
.section-head h2 { font-size: 26px; margin: 0; color: var(--c-primary); position: relative; padding-left: 14px; }
.section-head h2::before {
  content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 5px; border-radius: 3px;
  background: linear-gradient(var(--c-accent), var(--c-primary));
}
.section-head .more { margin-left: auto; font-size: 14px; color: var(--c-muted); }
.section-head .more:hover { color: var(--c-primary); }

.section.alt { background: #fff; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* 动态 / 公告列表（旧版列表样式已移除，现由 home/pages.css 承担） */

/* 栏目卡片 */
.col-card { border-top: 3px solid var(--c-primary); }
.col-card h3 { margin: 6px 0 8px; font-size: 18px; color: var(--c-text); }
.col-card p { margin: 0; color: var(--c-muted); font-size: 14px; }

/* 期刊介绍 */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; align-items: start; }
.prose p { margin: 0 0 14px; color: #3a4858; }
.prose h4 { color: var(--c-primary); margin: 22px 0 8px; font-size: 17px; }
.info-box { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.info-box table { width: 100%; border-collapse: collapse; }
.info-box td { padding: 9px 6px; border-bottom: 1px dashed var(--c-line); font-size: 14px; vertical-align: top; }
.info-box td:first-child { color: var(--c-muted); width: 110px; }

/* 编委会 */
.ed-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ed-card { text-align: center; padding: 26px 18px; }
.ed-card h3 { margin: 0 0 4px; font-size: 18px; }

/* 文章在线 */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 22px; box-shadow: var(--shadow);
}
.filter-bar label { font-size: 14px; color: var(--c-muted); }
.filter-bar select, .filter-bar input {
  padding: 7px 10px; border: 1px solid var(--c-line); border-radius: 6px; font-size: 14px; color: var(--c-text);
  background: #fff;
}
.filter-bar select:focus, .filter-bar input:focus { outline: none; border-color: var(--c-accent); }

/* 联系 / 通用信息块 */
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li { padding: 12px 16px 12px 40px; position: relative; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); margin-bottom: 10px; box-shadow: var(--shadow); }
.feature-list li::before { content: "✓"; position: absolute; left: 14px; top: 12px; color: var(--c-accent); font-weight: 700; }

.note-box { background: #fff8e6; border: 1px solid #ffe08a; border-radius: var(--radius); padding: 14px 18px; color: #8a6d00; font-size: 14px; margin-top: 18px; }

/* ---------- 页脚 ---------- */
.footer { background:linear-gradient(180deg,var(--c-banner-from) 0%,var(--c-primary) 100%); color:#d7dbe0; padding:46px 0 0; margin-top:40px; }
.footer-bar { display:flex; align-items:center; justify-content:center; gap:42px; padding-bottom:36px; }
.fb-brand { flex:0 0 auto; }
/* 底部刊名：中文 42px/3px 字距（≈270px）与英文 13px/1.2px 字距（≈284px）配平，
   两行同宽两端对齐，中英文站一致 */
.fb-cn { color:#fff; font-size:42px; font-weight:900; letter-spacing:3px; line-height:1.2; white-space:nowrap; text-align:justify; text-align-last:justify; }
.fb-en { color:#9aa1ab; font-size:13px; margin-top:8px; letter-spacing:1.2px; white-space:nowrap; text-align:justify; text-align-last:justify; }
.fb-info { flex:0 1 auto; font-size:13px; line-height:2.05; color:#c9ced6; min-width:0; }
.fb-info p { margin:0; }
.fb-info b { color:#eef1f5; font-weight:600; }
.fb-qr { flex:0 0 auto; text-align:center; color:#c9ced6; font-size:13px; }
.fb-qr img { display:block; width:110px; height:110px; background:#fff; border-radius:4px; margin:0 auto 8px; padding:4px; object-fit:contain; }
/* 底部横幅：信息 + 版权合并居中 */
.fb-info.fb-center { text-align:center; }
.fb-info .fb-copy { margin-top:10px; font-size:12.5px; color:#aeb6c1; }
.fb-info .fb-copy a { color:#c3cad4; text-decoration:underline; text-underline-offset:3px; }
/* 数据统计：固定在最末一行 */
.fb-info .fb-stats { margin-top:8px; font-size:12.5px; color:#5aa9f7; }
.fb-info .fb-stats b { color:#fff; font-weight:700; }
.fb-info .fb-stats a { color:#c3cad4; text-decoration:underline; text-underline-offset:3px; }
.footer a:hover { color:#fff; }
@media (max-width:900px) {
  .footer-bar { flex-wrap:wrap; gap:22px; }
  .fb-info { flex:1 1 100%; order:3; }
  .fb-brand { text-align:center; }
  .fb-cn { font-size:30px; text-align:center; text-align-last:center; }
  .fb-en { text-align:center; text-align-last:center; }
}

/* ---------- 后台 ---------- */
.admin-wrap { max-width: 1080px; margin: 30px auto; padding: 0 20px; display: flex; gap: 24px; align-items: flex-start; }
.admin-login { max-width: 380px; margin: 80px auto; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.admin-login h2 { margin: 0 0 18px; color: var(--c-primary); text-align: center; }
.admin-bar { background: var(--c-primary); color: #fff; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 10; }
.admin-bar a { color: #fff; }
.admin-bar .logout { border: 1px solid rgba(255,255,255,.5); padding: 4px 12px; border-radius: 6px; }
/* 顶栏功能键：访问首页 / 英文站 / 退出登录 统一样式 */
.admin-bar .bar-btn { border: 1px solid rgba(255,255,255,.5); padding: 4px 12px; border-radius: 6px; text-decoration: none; white-space: nowrap; }
/* 登录验证码：输入框 + 图片（点击换一张） */
.cap-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.cap-row input { flex: 1 1 auto; min-width: 0; text-transform: uppercase; letter-spacing: 2px; font-family: ui-monospace, Consolas, monospace; }
.cap-img { flex: 0 0 auto; width: 132px; height: 42px; border: 1px solid var(--c-line); border-radius: 6px; background: #f2f6fc; cursor: pointer; display: block; overflow: hidden; }
.cap-img svg { display: block; width: 100%; height: 100%; }
.cap-tip { font-size: 12px; color: var(--c-muted); margin-top: 6px; display: flex; justify-content: space-between; gap: 8px; }
.cap-tip a { color: var(--c-primary); text-decoration: none; white-space: nowrap; }
.admin-bar .bar-btn:hover { background: rgba(255,255,255,.16); }
.admin-bar .bar-acts { display:flex; align-items:center; gap:12px; flex-wrap:wrap; justify-content:flex-end; }
@media (max-width:560px) {
  .admin-bar { padding: 10px 12px; }
  .admin-bar .bar-btn { padding: 3px 8px; font-size: 12px; }
}
.admin-tabs { display: flex; flex-direction: column; gap: 6px; margin: 0; flex: 0 0 210px; }
#host { flex: 1; min-width: 0; }
@media (max-width: 760px) { .admin-wrap { flex-direction: column; } .admin-tabs { flex: 1 1 auto; flex-direction: row; flex-wrap: wrap; } }
.admin-tabs button { padding: 9px 18px; border: 1px solid var(--c-line); background: #fff; border-radius: 6px; cursor: pointer; font-size: 14px; }
.admin-tabs button.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.admin-form { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; box-shadow: var(--shadow); }
.admin-form label { display: block; font-size: 13px; color: var(--c-muted); margin: 10px 0 4px; }
.admin-form input, .admin-form textarea, .admin-form select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--c-line); border-radius: 6px; font-size: 14px; font-family: inherit;
}
.admin-form textarea { min-height: 70px; resize: vertical; }
.admin-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn { display: inline-block; padding: 9px 20px; border: 0; border-radius: 6px; background: var(--c-primary); color: #fff; cursor: pointer; font-size: 14px; }
.btn:hover { background: var(--c-primary-2); }
.btn[disabled], .btn:disabled { opacity:.55; cursor:not-allowed; }
.btn[disabled]:hover, .btn:disabled:hover { background: var(--c-primary); }
.btn.ghost { background: #fff; color: var(--c-primary); border: 1px solid var(--c-line); }
.admin-list { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
.admin-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--c-line); }
.admin-row:last-child { border-bottom: 0; }
.admin-row .a-t { flex: 1; min-width: 0; }
.admin-row .a-t b { display: block; }
.admin-row.db-1line .a-t b { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.admin-row .a-t small { color: var(--c-muted); }
.admin-row .actions button { margin-left: 6px; padding: 5px 12px; border-radius: 5px; border: 1px solid var(--c-line); background: #fff; cursor: pointer; font-size: 13px; }
.admin-row .actions .del { color: #c0392b; border-color: #f0c4be; }
.admin-row .actions .prev { color: #0f766e; border-color: #a7d8d2; }
.admin-msg { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 14px; }
.admin-msg.err { background: #fdecea; color: #c0392b; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .ed-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .grid-3, .ed-grid { grid-template-columns: 1fr; }
  .admin-form .row { grid-template-columns: 1fr; }
  /* 修复：移动端 .section-head 横向 flex 被说明文字挤压，导致 h2 逐字竖排 */
  .section-head { flex-wrap: wrap; row-gap: 8px; }
  .section-head h2 { white-space: normal; min-width: 0; }
  .section-head p { flex-basis: 100%; }
}

/* 后台表单：短字段合并同一行（年份/卷/期） */
.admin-inline { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:10px; }
/* 后台子栏目切换（站点信息：顶部横幅/底部横幅/其他设置） */
.subtabs { display:flex; gap:8px; margin-bottom:14px; }
.subtabs .subtab { padding:8px 20px; border:1px solid var(--c-line); background:#fff; color:var(--c-text); border-radius:6px; cursor:pointer; font-size:14px; font-family:inherit; }
.subtabs .subtab.active { background:var(--c-primary); color:#fff; border-color:var(--c-primary); }
/* 统一编辑器（Quill 2.0.3，全站唯一编辑器内核）
   字体只声明一处：body 已定义全局中文字体栈，编辑器继承（font-family:inherit），
   此处仅覆盖 wangEditor 自带默认值，避免同一段字体栈重复写多份 */
.ed-root { margin:4px 0 14px; }
.ed-root .ed-bar { border:1px solid var(--c-line); border-radius:6px 6px 0 0; background:#f7f9fc; }
.ed-root .ed-bar .w-e-bar { background:transparent; padding:2px 4px; }
.ed-root .ed-we { background:#fff; border:1px solid var(--c-line); border-radius:0 0 6px 6px; overflow:hidden; }
.ed-root .ed-bar + .ed-we { border-top:0; }
.ed-root .w-e-text-container { background:#fff; }
.ed-root .w-e-text-placeholder { color:#a9b3c2; font-style:normal; left:12px; top:8px; }
.ed-root [contenteditable="true"] { outline:none; }
.ed-root .w-e-scroll { font-family:inherit; }
.ed-root .w-e-text-container [data-slate-editor] { font-size:14px; line-height:1.9; padding:8px 12px; color:var(--c-text); font-family:inherit; }
.ed-root .w-e-text-container p { margin:0 0 6px; }
.ed-root .w-e-text-container img { max-width:100%; height:auto; }
.ed-root .w-e-text-container blockquote { border-left:3px solid var(--c-accent); margin:8px 0; padding-left:12px; color:var(--c-muted); }
.ed-root .w-e-text-container pre { background:#f5f7fa; border-radius:4px; padding:8px 10px; font-size:12.5px; }
/* 工具栏按钮配色：默认深灰，悬停/激活用主题色（wangEditor 默认 fill:#999） */
.ed-root .ed-bar svg { fill:var(--c-text); }
.ed-root .ed-bar .w-e-bar-item button:hover svg,
.ed-root .ed-bar .w-e-bar-item button.w-e-active svg { fill:var(--c-primary); }
.ed-root .ed-bar .w-e-bar-item button:hover { background:#e8eef8; }
.ed-root .ed-bar .w-e-select-list { border-color:var(--c-line); border-radius:4px; box-shadow:var(--shadow); }
.ed-root .ed-bar .w-e-select-list ul li:hover { background:#eef3fb; }
.ed-root .ed-bar .w-e-select-list ul li.selected { background:#e3ecfa; }
.ed-root .ed-bar .w-e-modal { border-color:var(--c-line); border-radius:6px; box-shadow:var(--shadow); }
.ed-root .ed-bar .w-e-modal .btn-close { color:#8794a8; }
/* 纯文本模式：无工具栏，行距宽松，接近原多行文本框手感 */
.ed-plain .ed-we { border-radius:6px; }
.ed-plain .w-e-text-container [data-slate-editor] { line-height:1.85; }
/* 首行缩进两字：编辑区与前台文章页排版保持一致（摘要 / 关键词 / 参考文献用） */
.ed-root.ed-indent .w-e-text-container p,
.ed-root.ed-indent .ed-area p { text-indent:2em; }
.ed-root.ed-indent .ed-area { text-indent:2em; }
.ed-area { min-height:96px; border:1px solid var(--c-line); border-radius:6px; padding:10px 12px; background:#fff; color:var(--c-text); line-height:1.85; font-size:14px; outline:none; }
.ed-area:focus { border-color:var(--c-primary); }
/* 富文本编辑器（顶部横幅三栏）：容器样式，字体/字号与统一编辑器内核保持一致 */
.rt-box { margin-top:16px; }
.rt-head { display:flex; align-items:center; justify-content:space-between; gap:10px; }
.rt-head label { margin:0; }
.rt-btn { padding:4px 10px; border:1px solid var(--c-line); background:#fff; color:var(--c-text); border-radius:4px; cursor:pointer; font-size:12px; font-family:inherit; }
.rt-btn:hover { border-color:var(--c-primary); color:var(--c-primary); }
.rt-hint { display:block; color:var(--c-muted); font-size:12px; margin-top:4px; }
.rt-hint code { background:#f1f4f9; border:1px solid var(--c-line); border-radius:3px; padding:0 4px; color:var(--c-primary); }
.kv-note { background:#f3f7fc; border-left:3px solid var(--c-accent); padding:9px 12px; border-radius:0 4px 4px 0; font-size:12.5px; color:var(--c-muted); line-height:1.75; margin-bottom:12px; }
.admin-inline .ai-cell label { display:block; font-size:13px; color:var(--c-muted); margin:0 0 4px; }
.admin-inline .ai-cell input { width:100%; padding:9px 11px; border:1px solid var(--c-line); border-radius:6px; font-size:14px; font-family:inherit; }
@media (max-width:640px){ .admin-inline { grid-template-columns:1fr 1fr; } }

/* ===== 发布前预览：编辑页「保存」右侧一处 + 集合列表每行「预览」（在「编辑」前） ===== */
.btn-row { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:12px; }
.btn-row .btn { margin:0; }
.btn.pv-btn { background:#fff; border:1px solid #0f766e; color:#0f766e; }
.btn.pv-btn:hover { background:#f0fdfa; border-color:#115e59; color:#115e59; }
.pv-bar { position:fixed; top:0; left:0; right:0; z-index:99999; height:46px; box-sizing:border-box;
  display:flex; align-items:center; gap:12px; padding:0 18px; background:linear-gradient(90deg,#a34d09,#d97706);
  color:#fff; font-size:13px; box-shadow:0 2px 12px rgba(120,60,0,.3); }
.pv-tag { background:#fff; color:#a34d09; font-weight:800; padding:3px 10px; border-radius:20px; font-size:12px; white-space:nowrap; }
.pv-txt { flex:1; line-height:1.45; }
.pv-txt b { color:#fff3d6; }
.pv-acts { display:flex; gap:14px; white-space:nowrap; }
.pv-acts a { color:#fff; text-decoration:underline; font-weight:600; }
@media (max-width:760px){
  .pv-bar { height:auto; min-height:52px; flex-wrap:wrap; gap:6px 10px; padding:8px 12px; font-size:12px; }
  .pv-txt { flex:1 1 100%; order:3; }
}

/* ===== 后台「网站优化」：左右分栏 + 搜索结果预览 + 分享卡片预览 + 体检报告 ===== */
.seo-split { display:flex; gap:18px; align-items:flex-start; }
.seo-split > .seo-main { flex:1 1 520px; min-width:0; }
.seo-split > .seo-side { flex:0 0 320px; position:sticky; top:12px; }
@media (max-width:1100px){ .seo-split { flex-direction:column; } .seo-split > .seo-side { position:static; flex:1 1 auto; width:100%; } }

.seo-card { background:#fff; border:1px solid var(--c-line); border-radius:var(--radius); padding:18px 20px; box-shadow:var(--shadow); }
.seo-card h4 { margin:0 0 10px; font-size:13px; color:#5a6b82; font-weight:600; letter-spacing:.5px; }

/* 百度 / Google 搜索结果样式 */
.serp-prev { font-family:"Microsoft YaHei",system-ui,sans-serif; }
.serp-site { font-size:12px; color:#5f6368; margin-bottom:3px; word-break:break-all; }
.serp-title { color:#1a0dab; font-size:17px; line-height:1.45; margin-bottom:4px; word-break:break-all; }
.serp-title em { font-style:normal; }
.serp-desc { color:#4d5156; font-size:13px; line-height:1.65; word-break:break-all; }

/* 字数 / 关键词计数提示 */
.seo-meter { font-size:11.5px; margin:4px 0 0; line-height:1.6; }
.seo-meter b { font-weight:600; }
.seo-meter.is-ok { color:#1a7f4b; }
.seo-meter.is-warn { color:#b26a00; }
.seo-meter.is-err { color:#c0392b; }

/* 微信 / 社交分享卡片预览 */
.share-prev { border:1px solid #e2e8f0; border-radius:8px; overflow:hidden; background:#fff; max-width:320px; }
.share-prev .sp-img { width:100%; aspect-ratio:1.91/1; object-fit:cover; background:linear-gradient(135deg,#eef3fa,#dbe6f4); display:block; }
.share-prev .sp-body { padding:10px 12px 12px; }
.share-prev .sp-title { font-size:14px; color:#1f2937; line-height:1.5; font-weight:600; margin-bottom:4px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.share-prev .sp-desc { font-size:12px; color:#8a94a6; line-height:1.6;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.share-prev .sp-from { font-size:11.5px; color:#a3adbd; margin-top:8px; padding-top:8px; border-top:1px solid #eef2f7; }

/* 页面级 SEO 逐页编辑 */
.seo-pg { border:1px solid #e6ecf5; border-radius:8px; padding:12px 14px; margin-bottom:10px; background:#fff; }
.seo-pg-head { display:flex; align-items:center; gap:10px; margin-bottom:8px; }
.seo-pg-name { font-size:13.5px; font-weight:600; color:#1f3555; }
.seo-pg-file { font-size:11px; color:#8a94a6; font-family:Consolas,monospace; }
.seo-pg-flag { margin-left:auto; font-size:11px; padding:2px 8px; border-radius:20px; background:#eef4fb; color:#31659f; }
.seo-pg-flag.is-set { background:#e8f6ee; color:#1a7f4b; }
.seo-pg-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.seo-pg-grid .full { grid-column:1 / -1; }
.seo-pg-grid input[type=text], .seo-pg-grid textarea { width:100%; padding:8px 10px; border:1px solid var(--c-line); border-radius:6px; font-size:13px; font-family:inherit; box-sizing:border-box; }
.seo-pg-grid textarea { min-height:56px; resize:vertical; }
.seo-pg-grid label.seo-chk { display:flex; align-items:center; gap:6px; font-size:12px; color:var(--c-muted); margin:0; }
.seo-pg-grid label.seo-chk input { width:auto; }
@media (max-width:760px){ .seo-pg-grid { grid-template-columns:1fr; } }

/* SEO 体检报告 */
.audit-top { display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.audit-ring { width:96px; height:96px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  flex:0 0 auto; background:conic-gradient(#22a06b 0deg, #22a06b var(--deg,0deg), #e8eef6 var(--deg,0deg)); }
.audit-ring span { width:76px; height:76px; border-radius:50%; background:#fff; display:flex; flex-direction:column;
  align-items:center; justify-content:center; font-size:22px; font-weight:700; color:#1f3555; line-height:1.1; }
.audit-ring span small { font-size:11px; font-weight:400; color:#8a94a6; }
.audit-nums { display:flex; gap:16px; flex-wrap:wrap; font-size:12.5px; color:#5a6b82; }
.audit-nums b { display:block; font-size:18px; line-height:1.3; }
.audit-group { margin-top:16px; }
.audit-group > b { display:block; font-size:13px; color:#1f3555; margin-bottom:6px; }
.audit-item { display:flex; gap:8px; font-size:12.5px; line-height:1.7; padding:5px 0; border-bottom:1px dashed #eef2f7; }
.audit-item:last-child { border-bottom:0; }
.audit-item .dot { flex:0 0 auto; font-size:13px; line-height:1.55; }
.audit-item .fix { color:#8a94a6; }
.audit-item.is-err .dot { color:#c0392b; }
.audit-item.is-warn .dot { color:#d68910; }
.audit-item.is-ok .dot { color:#22a06b; }
.audit-item.is-info .dot { color:#31659f; }
.seo-links { display:flex; gap:8px; flex-wrap:wrap; }
.seo-links a, .seo-links button { font-size:12px; padding:6px 12px; border-radius:6px; border:1px solid var(--c-line);
  background:#fff; color:#31659f; text-decoration:none; cursor:pointer; font-family:inherit; }
.seo-links a:hover, .seo-links button:hover { background:#f3f7fc; }


/* ================= 无障碍：键盘可操作性与跳转链接 ================= */
/* 键盘 Tab 聚焦时给出清晰焦点环（鼠标点击不显示，避免视觉噪音） */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid #2f6fd0; outline-offset: 2px; border-radius: 3px;
}
/* 「跳到主要内容」：平时隐藏，键盘 Tab 到首个元素时滑出（读屏与纯键盘用户用） */
.skip-link {
  position: fixed; left: 12px; top: -60px; z-index: 9999;
  background: #fff; color: var(--c-primary); font-size: 14px; font-weight: 600;
  padding: 10px 18px; border-radius: 0 0 8px 8px; text-decoration: none;
  box-shadow: 0 6px 18px rgba(16, 38, 68, .18); transition: top .18s;
}
.skip-link:focus { top: 0; }
/* 尊重系统「减少动态效果」设置：关掉跑马灯与淡入动画，避免眩晕 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* ================= 打印样式：横幅 + 正文 + 页脚 =================
   「打印本文」只输出三块：刊头横幅（含右侧刊期信息，完整保留）、文章正文、页脚。
   导航条、左侧过刊树、检索栏、右栏相关文章/相关作者、上一篇下一篇、工具栏一律不印。
   纸张 A4 横放（内容宽约 1122px，跨过 1080 断点，横幅仍是桌面版一整行，
   刊期信息不会被挤掉或裁切）；正文限宽居中，避免一行字拉得过长。 */
@media print {
  @page { size: A4 landscape; margin: 10mm; }
  html, body { background: #fff !important; }
  /* 保留背景色：横幅、页脚是深底白字，浏览器默认不打印背景会把文字变成"白纸白字" */
  html { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  /* 只留横幅 / 正文 / 页脚，其余结构块全部去掉 */
  .site-header, .main-nav, .sub-header, .breadcrumb, .crumb,
  .arch-side, .art-aside, .ann-side, .filter-bar, .artd-crumb, .artd-crumb-row .artd-acts,
  .artd-nav, .artd-tool, .page-hero, .submit-strip, .ads-zone, .page-note,
  .pv-bar, .skip-link, .share-fab, .share-mask, .back-top, .slide-arrow, .slide-dots,
  .toast, .modal, .mask { display: none !important; }
  /* 屏幕上的吸顶与内部滚动容器解禁，否则只印第一屏 */
  .admin-bar, .seo-split > .seo-side, .ann-side-body, .arch-tree {
    position: static !important; top: auto !important;
    max-height: none !important; overflow: visible !important;
  }
  /* 正文单栏居中：去掉三栏网格，正文按纸质页面宽度排布 */
  .container, .container--wide { width: auto !important; max-width: none !important; }
  .artd-wrap, .arch-layout, .arch-layout--3col { display: block !important; }
  .arch-main, .artd-wrap > .arch-main { max-width: 940px !important; margin: 0 auto !important; padding: 0 !important; }
  /* 页脚打印时整体居中：刊名两行（现代信息科技 / MODERN INFORMATION TECHNOLOGY）
     不再靠左，与信息块、二维码一起自上而下居中排布 */
  .footer { margin-top: 24px !important; padding: 22px 0 14px !important; }
  .footer-bar { display: block !important; width: auto !important; text-align: center !important; padding-bottom: 4px !important; }
  .fb-brand { text-align: center !important; }
  .fb-cn, .fb-en { text-align: center !important; text-align-last: center !important; margin: 0 auto !important; }
  .fb-info { margin-top: 10px !important; }
  .fb-qr { margin-top: 12px !important; }
  /* 引用格式属正文内容，保留文字；「打印本文」按钮已在上面隐藏 */
  .artd-tools { background: none !important; border: 1px solid #d5dbe6 !important; }
  /* 阴影在纸上会糊成灰块，去掉阴影、保留描边，维持原版分块观感 */
  .side-card, .art-side-card, .arch-side, .ann-side { box-shadow: none !important; }
  /* 分页：标题不与正文分离，摘要/参考文献/表格/图片不跨页 */
  h1, h2, h3, h4, .artd-subhead, .artd-label { break-after: avoid; page-break-after: avoid; }
  .artd-abstract, .artd-en, .artd-refs, .artd-bio, .artd-tools, figure, table, tr, img {
    break-inside: avoid; page-break-inside: avoid;
  }
  img, svg { max-width: 100% !important; height: auto !important; }
  /* 打印不需要动效与悬停过渡 */
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ================= 期刊指标卡（首页 / 期刊简介） =================
   数据来源：后台「站点信息 → 期刊指标」，每行「标签|数值|说明(可选)」。
   一条都没填时整块隐藏（外层 section 带 hidden，渲染时移除），不会留白。 */
.metric-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 10px 0 4px; }
.metric-item { background: #fff; border: 1px solid var(--c-line); border-radius: 10px; padding: 14px 16px 13px; text-align: center; box-shadow: 0 2px 10px rgba(20, 50, 90, .05); }
.metric-value { font-size: 24px; font-weight: 700; line-height: 1.15; color: var(--c-primary); letter-spacing: .5px; }
.metric-label { margin-top: 5px; font-size: 12.5px; color: var(--c-muted); }
.metric-note { margin-top: 2px; font-size: 11.5px; color: #9aa7ba; }
@media (max-width: 640px) {
  .metric-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .metric-value { font-size: 20px; }
}