:root {
  --bg: #f7f8f7;
  --panel: #ffffff;
  --ink: #2a322e;
  --muted: #7a8480;
  --line: #e6eae7;
  --line-strong: #c5cfc9;
  --accent: #3a8f6a;
  --accent-mid: #2f7a5c;
  --accent-soft: #eef7f2;
  --nav: #4a9a74;
  --nav-hover: #3a8f6a;
  --link: #2f7a5c;
  --max: 1160px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 15px/1.7 var(--font);
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--link); }
img { max-width: 100%; display: block; }
.wrap { width: min(100% - 1.5rem, var(--max)); margin: 0 auto; }
.pro-page { margin-top: .85rem; margin-bottom: 1.5rem; }
.pro-center { text-align: center; padding: 2rem 1rem; }

/* 顶栏 */
.pro-top {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.pro-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 90px;
  padding: .45rem 0;
}
.pro-brand {
  display: block;
  flex: 0 1 auto;
  line-height: 0;
  min-width: 0;
}
.pro-brand img {
  display: block;
  height: 90px;
  width: auto;
  max-width: min(480px, 58vw);
  object-fit: contain;
}
.pro-search {
  display: flex;
  flex: 0 1 400px;
  width: 400px;
  max-width: 100%;
  margin-left: auto;
  border: 1px solid var(--line-strong);
  background: #fff;
}
.pro-search:focus-within { border-color: var(--accent); }
.pro-search input {
  flex: 1;
  border: 0;
  padding: .62rem .9rem;
  font: inherit;
  outline: none;
  min-width: 0;
  background: transparent;
}
.pro-search button {
  border: 0;
  border-left: 1px solid var(--line-strong);
  background: var(--accent);
  color: #fff;
  padding: 0 1.2rem;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}
.pro-search button:hover { background: var(--accent-mid); }

/* 导航：纯色商务条 */
.pro-nav { background: var(--nav); }
.pro-nav-inner {
  display: flex;
  flex-wrap: wrap;
}
.pro-nav a {
  color: rgba(255,255,255,.92);
  padding: .78rem 1.15rem;
  font-size: .95rem;
  font-weight: 500;
}
.pro-nav a:hover,
.pro-nav a.is-on {
  background: var(--nav-hover);
  color: #fff;
}
.pro-nav-map { margin-left: auto; }
.pro-sitemap {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.pro-sitemap-block h2 {
  margin: 0 0 .55rem;
  font-size: 1.05rem;
  font-weight: 600;
}
.pro-sitemap-block h2 a { color: var(--ink); }
.pro-sitemap-block h2 a:hover { color: var(--link); }
.pro-sitemap-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .9rem;
}
.pro-sitemap-block li {
  padding: .2rem 0;
  border-bottom: 0;
}
.pro-sitemap-block a { color: #2a322e; }
.pro-sitemap-block a:hover { color: var(--link); }
.pro-sitemap-empty { margin: 0; color: var(--muted); font-size: .9rem; }

.pro-crumb {
  padding: .85rem 0 .55rem;
  color: var(--muted);
  font-size: .875rem;
}
.pro-crumb a { color: var(--muted); }
.pro-crumb a:hover { color: var(--accent); }
.pro-crumb span { color: var(--ink); }

/* 面板：直角边框，无阴影 */
.pro-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  min-width: 0;
  overflow: hidden;
}
.pro-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .7rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--accent-soft);
}
.pro-hd h1,
.pro-hd h2 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: .55rem;
  line-height: 1.3;
}
.pro-hd .more {
  color: var(--muted);
  font-size: .85rem;
}
.pro-hd .more:hover { color: var(--accent); }
.pro-bd { padding: .35rem 1.1rem 1rem; }
.pro-lead {
  margin: .4rem 0 .8rem;
  color: var(--muted);
  font-size: .9rem;
}

/* 文档列表 */
.pro-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pro-list > li {
  padding: .95rem 0;
  border-bottom: 1px solid var(--line);
}
.pro-list > li:last-child { border-bottom: 0; }
.pro-list > li.is-empty {
  color: var(--muted);
  padding: 1rem 0;
  border-bottom: 0;
}
.pro-list .row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  width: 100%;
}
.pro-list .t {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 1.04rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pro-list .t:hover { color: var(--link); }
.pro-list .cat-prefix {
  flex: 0 0 auto;
  color: var(--muted);
  font-weight: 400;
  font-size: .92rem;
  margin-right: .15rem;
  white-space: nowrap;
}
.pro-list .cat-prefix:hover { color: var(--link); }
.pro-list .d {
  flex: 0 0 6.5rem;
  width: 6.5rem;
  color: var(--muted);
  font-size: .82rem;
  white-space: nowrap;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.pro-list .meta {
  margin-top: .3rem;
  padding-right: 7.25rem;
  color: var(--muted);
  font-size: .82rem;
  display: flex;
  flex-wrap: wrap;
  gap: .15rem .7rem;
}
.pro-list .meta a { color: var(--muted); }
.pro-list .meta a:hover { color: var(--link); }
.pro-list .summary {
  margin: .35rem 0 0;
  padding-right: 7.25rem;
  color: #555e59;
  font-size: .9rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pro-list .tag {
  display: inline-block;
  color: var(--accent-mid);
  background: var(--accent-soft);
  border: 1px solid #c5e0d2;
  font-size: .7rem;
  font-weight: 600;
  padding: 0 .32rem;
  margin-right: .3rem;
  line-height: 1.4;
  vertical-align: .1em;
}

/* 首页双栏：广告/头条 与 最新/推荐 同一栅格对齐 */
.pro-home-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  margin-top: .85rem;
  margin-bottom: 1.25rem;
  align-items: stretch;
}
.pro-home-row.no-cover,
.pro-home-row.ad-only { grid-template-columns: 1fr; }
.pro-home-row > .pro-panel { margin-bottom: 0; min-width: 0; }
.pro-feature-cover {
  min-height: 180px;
  max-height: 180px;
  background: #d9cfc3;
  overflow: hidden;
  padding: 0;
}
.pro-feature-cover a { display: block; height: 100%; }
.pro-feature-cover img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  max-height: 180px;
  object-fit: cover;
  object-position: center;
  background: #cfc4b6;
  display: block;
}
.pro-feature-body {
  display: flex;
  flex-direction: column;
  min-height: 180px;
  max-height: 180px;
}
.pro-feature-body .pro-bd {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: .65rem;
  padding-bottom: .75rem;
  overflow: hidden;
}
.pro-feature-body .feature-title {
  margin: 0 0 .45rem;
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 700;
}
.pro-feature-body .feature-title a:hover { color: var(--link); }
.pro-feature-body .summary {
  margin: 0 0 .5rem;
  color: var(--muted);
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pro-feature-body .meta {
  color: var(--muted);
  font-size: .85rem;
}
.pro-home-row .pro-list .summary,
.pro-home-row .pro-list .meta { display: none; }
.pro-home-space { margin-bottom: 1.25rem; }
.pro-home-lists .pro-hd {
  padding: .55rem .95rem;
}
.pro-home-lists .pro-hd h2 { font-weight: 400; }
.pro-home-lists .pro-bd {
  padding: .15rem .95rem .55rem;
}
.pro-home-lists .pro-list > li {
  padding: .48rem 0;
}
.pro-home-lists .pro-list .t {
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.4;
}
.pro-home-lists {
  margin-bottom: .9rem;
  gap: .85rem;
}
.pro-home-cats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: .85rem;
  margin-bottom: 1.25rem;
}
.pro-home-cats > .pro-panel { margin-bottom: 0; min-width: 0; }
.pro-home-cats .pro-hd { padding: .55rem .95rem; }
.pro-home-cats .pro-hd h2 { font-weight: 400; }
.pro-home-cats .pro-bd { padding: .15rem .95rem .55rem; }
.pro-home-cats .pro-list > li { padding: .48rem 0; }
.pro-home-cats .pro-list .t {
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pro-home-cats .pro-list .d {
  flex: 0 0 2.75rem;
  width: 2.75rem;
  font-size: .8rem;
}
.pro-home-cats .pro-list .row { gap: .55rem; align-items: baseline; }
.pro-home-cats .pro-list .summary,
.pro-home-cats .pro-list .meta { display: none; }



/* 列表/详情：左内容 + 右栏300（栏目/标签/热门纵向排列） */
.pro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1rem;
  margin-top: .1rem;
  margin-bottom: 1.75rem;
  align-items: start;
}
.pro-side {
  position: sticky;
  top: .75rem;
  width: 300px;
  max-width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pro-side > .pro-panel { margin-bottom: 0; }
.pro-side-list {
  list-style: none;
  margin: 0;
  padding: .35rem 0 .5rem;
}
.pro-side-list li { margin: 0; }
.pro-side-list a {
  display: block;
  padding: .4rem .85rem;
  color: #3d4842;
  font-size: .92rem;
  font-weight: 400;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pro-side-list a:hover { color: var(--accent); background: var(--accent-soft); }
.pro-side-list .is-empty {
  padding: .55rem .85rem;
  color: var(--muted);
  font-size: .9rem;
}
.pro-side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .45rem;
  padding: .55rem .75rem .7rem;
  max-width: 100%;
  box-sizing: border-box;
}
.pro-side-tags a {
  display: inline-block;
  max-width: 100%;
  padding: .15rem .45rem;
  border: 1px solid var(--line);
  background: #fff;
  color: #3d4842;
  font-size: .86rem;
  font-weight: 400;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pro-side-tags a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.pro-side-tags .is-empty {
  color: var(--muted);
  font-size: .9rem;
}
.pro-cats {
  list-style: none;
  margin: 0;
  padding: .25rem 0 .4rem;
}
.pro-cats li { margin: 0; }
.pro-cats a {
  display: block;
  padding: .55rem .9rem;
  border-left: 2px solid transparent;
  color: #3d4842;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pro-cats a:hover,
.pro-cats a.is-on {
  color: var(--accent);
  background: var(--accent-soft);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* 详情 */
.pro-detail-main { min-width: 0; }
.pro-article {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1.35rem 1.6rem 1.6rem;
  margin-bottom: 1rem;
}
.pro-article h1 {
  margin: 0 0 .65rem;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  line-height: 1.4;
  text-align: left;
  font-weight: 700;
  color: #222;
}
.pro-meta {
  text-align: left;
  color: var(--muted);
  font-size: .9rem;
  padding-bottom: .85rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.pro-meta a { color: var(--link); }
.pro-cover {
  margin: 0 0 1.2rem;
  max-width: 100%;
}
.pro-cover img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
}
.pro-content {
  max-width: none;
  margin: 0;
  font-size: 1.02rem;
  color: #333;
  line-height: 1.9;
}
.pro-content p { margin: 0 0 1em; text-indent: 2em; }
.pro-content h2,
.pro-content h3 {
  font-family: var(--serif);
  margin: 1.4em 0 .65em;
  text-indent: 0;
  font-size: 1.15rem;
  color: #222;
}
.pro-content ul,
.pro-content ol { padding-left: 2em; margin: 0 0 1em; }
.pro-content img { margin: .75rem auto; }
.pro-content blockquote {
  margin: 0 0 1em;
  padding: .5rem 0 .5rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  text-indent: 0;
  background: var(--accent-soft);
}
.pro-article-foot {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.pro-foot-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1rem;
  color: var(--muted);
  font-size: .88rem;
  margin-bottom: .9rem;
}
.pro-foot-meta a { color: var(--link); }
.download_card {
  margin: 1.5rem 0 0;
  padding: 1.25rem 1rem;
  background: #f9f9f9;
  border: 1px solid #efefef;
  border-radius: 10px;
}
.download_card .dl-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: inherit;
  text-decoration: none;
}
.download_card .dl-link:hover { color: inherit; }
.download_card_pic {
  flex: 0 0 auto;
  width: 110px;
  height: 68px;
  object-fit: contain;
  border-radius: 5px;
}
.download_card_msg { flex: 1 1 auto; min-width: 0; }
.download_card_title {
  color: #003399;
  font-size: 1rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.download_card_tip {
  margin: .45rem 0;
  color: #666;
  font-size: .875rem;
}
.download_card_tj { color: #ff9900; font-size: .875rem; letter-spacing: .05em; }
.download_card_btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 44px;
  padding: 0 1rem;
  border-radius: 4px;
  background: #3a8f6a;
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
}
.download_card .dl-link:hover .download_card_btn { background: #2f7a5c; }
@media (max-width: 640px) {
  .download_card .dl-link { flex-wrap: wrap; }
  .download_card_btn { width: 100%; }
}
.pro-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: .55rem 1.35rem;
  font-weight: 600;
  border: 1px solid var(--accent);
}
.pro-btn:hover {
  background: var(--accent-mid);
  color: #fff !important;
}
.pro-btn.ghost {
  background: #fff;
  color: var(--accent) !important;
  border-color: var(--line-strong);
  margin-left: .5rem;
}

/* 相关内容：仅标题，两列 */
.pro-related { margin-bottom: 1rem; }
.pro-related .pro-hd { padding: .55rem 1.1rem; }
.pro-related .pro-bd { padding: .15rem 1.1rem .55rem; }
.pro-related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 1rem;
  row-gap: 0;
}
.pro-related-list li {
  position: relative;
  padding: .28rem 0 .28rem 1.05rem;
  border-bottom: 1px solid var(--line);
}
.pro-related-list li:nth-last-child(-n+2) { border-bottom: 0; }
.pro-related-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72rem;
  width: .35rem;
  height: .35rem;
  border: 1.5px solid #b0b8b3;
  border-radius: 50%;
  background: #fff;
}
.pro-related-title {
  display: block;
  font-weight: 400;
  font-size: inherit;
  color: #2a322e;
  line-height: 1.4;
}
.pro-related-title:hover { color: var(--link); }

.pro-pager {
  display: flex;
  gap: .75rem;
  align-items: center;
  padding: .9rem 0 .15rem;
  color: var(--muted);
  font-size: .9rem;
}
.pro-pager a {
  color: var(--accent);
  padding: .2rem .55rem;
  border: 1px solid var(--line);
  background: #fff;
}
.pro-pager a:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.pro-pager .is-on {
  display: inline-block;
  padding: .2rem .55rem;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.pro-pager-total {
  margin-left: .15rem;
  color: var(--muted);
  white-space: nowrap;
}
.pro-pager {
  flex-wrap: wrap;
  row-gap: .45rem;
}

.pro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .7rem;
  padding: .75rem 0 .2rem;
}
.pro-tags a {
  color: var(--accent);
  border: 1px solid var(--line);
  padding: .25rem .65rem;
  background: #fff;
  font-size: .9rem;
}
.pro-tags a:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.pro-tags .n { color: var(--muted); font-size: .85rem; }

.pro-footer {
  margin-top: 1.5rem;
  background: #fff;
  border-top: 2px solid var(--accent-mid);
  padding: 1.25rem 0 1.5rem;
  color: var(--muted);
  font-size: .875rem;
}
.pro-flinks { margin-bottom: .55rem; }
.pro-flinks a,
.pro-maps a {
  margin-right: .75rem;
  color: var(--muted);
}
.pro-flinks a:hover,
.pro-maps a:hover { color: var(--accent); }
.pro-copy { margin: .3rem 0 0; }

@media (max-width: 960px) {
  .pro-home-row { grid-template-columns: 1fr; }
  .pro-home-cats { grid-template-columns: 1fr 1fr; }
  .pro-nav-map { margin-left: 0; }
  .pro-feature-cover,
  .pro-feature-body {
    min-height: 0;
    max-height: none;
  }
  .pro-feature-cover img {
    min-height: 150px;
    max-height: 150px;
  }
}
@media (max-width: 820px) {
  .pro-layout { grid-template-columns: 1fr; }
  .pro-side { position: static; width: auto; }
}
@media (max-width: 640px) {
  .pro-home-cats { grid-template-columns: 1fr; }
  .pro-top-inner {
    flex-wrap: wrap;
    justify-content: center;
    min-height: 0;
    gap: .9rem;
    padding: .85rem 0 .75rem;
  }
  .pro-brand {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .pro-brand img {
    height: 90px;
    width: auto;
    max-width: 88vw;
    object-fit: contain;
  }
  .pro-search { max-width: none; width: 100%; flex-basis: 100%; margin-left: 0; }
  .pro-nav a { padding: .65rem .8rem; font-size: .88rem; }
  .pro-article { padding: 1.1rem .95rem 1.25rem; }
  .pro-related-list { grid-template-columns: 1fr; }
  .pro-related-list li { padding-left: 1rem; }
  .pro-related-list li:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .pro-related-list li:last-child { border-bottom: 0; }
  .pro-list .row { flex-wrap: wrap; gap: .2rem .7rem; }
  .pro-list .t { flex: 1 1 100%; white-space: normal; }
  .pro-list .d {
    flex: 0 0 auto;
    width: auto;
    text-align: left;
  }
  .pro-list .meta,
  .pro-list .summary { padding-right: 0; }
  .pro-content p { text-indent: 0; }
}