/*
Theme Name: 苏州市营养与健康协会门户
Theme URI: https://www.sznha.cn/
Author: 苏州市营养与健康协会
Description: 为苏州市营养与健康协会打造的官方网站主题。以《中国居民膳食指南》膳食宝塔为核心视觉与导航隐喻：宝塔五个层级分别对应协会的五大内容板块，色彩取自宝塔本身。内置知识库入口、证书查询与活动发布。
Version: 1.0.2
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 8.1
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: suzhou-nha
Tags: custom-menu, featured-images, translation-ready
*/

/* ============================================================
   设计令牌 (Design Tokens)
   色彩取自《中国居民膳食指南》膳食宝塔各层的官方配色
   ============================================================ */
:root {
  /* 墨与纸 —— 中文的底色 */
  --nha-ink:        #1c2529;
  --nha-ink-soft:   #45535a;
  --nha-ink-faint:  #78858b;
  --nha-paper:      #faf8f4;
  --nha-paper-warm: #f2efe8;
  --nha-rule:       #ddd7cc;
  --nha-white:      #ffffff;

  /* 膳食宝塔五层色 */
  --nha-grain:      #c9a227;  /* 谷薯类 */
  --nha-leaf:       #3f7d58;  /* 蔬菜水果 */
  --nha-protein:    #c05f43;  /* 鱼禽肉蛋 */
  --nha-milk:       #3d6e96;  /* 奶豆坚果 */
  --nha-oil:        #8a5a7a;  /* 油盐 */

  /* 朱砂 —— 印章与强调 */
  --nha-cinnabar:   #b23a2e;
  --nha-cinnabar-d: #8f2d23;

  /* 语义 */
  --nha-accent:     var(--nha-cinnabar);
  --nha-accent-soft:#f6e9e6;

  /* 字体 */
  --nha-font-display: "Songti SC", "STSong", "SimSun", "Source Han Serif SC",
                      "Noto Serif CJK SC", "Times New Roman", serif;
  --nha-font-body:    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
                      "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --nha-font-mono:    "SF Mono", "Menlo", "Consolas", "Liberation Mono", monospace;

  /* 尺度 */
  --nha-max: 1200px;
  --nha-gap: 28px;
  --nha-radius: 2px;   /* 近乎直角：制度感与文件感 */
  --nha-shadow: 0 1px 2px rgba(28, 37, 41, .05), 0 8px 24px rgba(28, 37, 41, .05);
}

/* ============================================================
   基础
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--nha-font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--nha-ink);
  background: var(--nha-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--nha-ink); text-decoration: none; }
a:hover { color: var(--nha-cinnabar); }

h1, h2, h3, h4 {
  font-family: var(--nha-font-display);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 .5em;
  letter-spacing: .01em;
}

p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.2em; padding-left: 1.4em; }
blockquote {
  margin: 1.6em 0;
  padding: .2em 0 .2em 1.2em;
  border-left: 3px solid var(--nha-grain);
  color: var(--nha-ink-soft);
  font-family: var(--nha-font-display);
}
code, pre { font-family: var(--nha-font-mono); font-size: .92em; }
pre { background: var(--nha-paper-warm); padding: 1em; overflow: auto; border-radius: var(--nha-radius); }
img { border-radius: var(--nha-radius); }

:focus-visible {
  outline: 2px solid var(--nha-cinnabar);
  outline-offset: 2px;
}

.screen-reader-text {
  position: absolute !important; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link:focus {
  position: fixed; top: 8px; left: 8px; z-index: 999;
  width: auto; height: auto; clip: auto; padding: 10px 18px;
  background: var(--nha-ink); color: var(--nha-white);
}

/* ============================================================
   布局骨架
   ============================================================ */
.nha-container { width: min(100% - 40px, var(--nha-max)); margin-inline: auto; }
.nha-section { padding: 56px 0; }
.nha-section--tint { background: var(--nha-paper-warm); }
.nha-section--rule { border-top: 1px solid var(--nha-rule); }

.nha-grid { display: grid; gap: var(--nha-gap); }
.nha-grid--2 { grid-template-columns: repeat(2, 1fr); }
.nha-grid--3 { grid-template-columns: repeat(3, 1fr); }
.nha-grid--4 { grid-template-columns: repeat(4, 1fr); }
.nha-grid--sidebar { grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; }

/* 栏目眉：编号/眉标 + 标题 + 说明 + 右侧更多 */
.nha-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  padding-bottom: 14px; margin-bottom: 28px;
  border-bottom: 1px solid var(--nha-rule);
}
.nha-head__eyebrow {
  font-family: var(--nha-font-mono);
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--nha-ink-faint);
  display: block; margin-bottom: 8px;
}
.nha-head__title { margin: 0; font-size: 28px; }
.nha-head__sub { margin: 6px 0 0; color: var(--nha-ink-soft); font-size: 15px; }
.nha-head__more {
  font-family: var(--nha-font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--nha-ink-soft); white-space: nowrap;
  border-bottom: 1px solid var(--nha-rule); padding-bottom: 3px;
}
.nha-head__more:hover { color: var(--nha-cinnabar); border-color: var(--nha-cinnabar); }

/* ============================================================
   顶部条 / 站头 / 导航
   ============================================================ */
.nha-utility {
  background: var(--nha-ink); color: rgba(255,255,255,.72);
  font-size: 12.5px;
}
.nha-utility .nha-container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 34px; gap: 16px; flex-wrap: wrap;
}
.nha-utility a { color: rgba(255,255,255,.78); }
.nha-utility a:hover { color: #fff; }
.nha-utility__links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.nha-utility__sep { color: rgba(255,255,255,.28); }

.nha-masthead { background: var(--nha-white); border-bottom: 1px solid var(--nha-rule); }
.nha-masthead .nha-container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; padding: 26px 0;
}
.nha-brand { display: flex; align-items: center; gap: 14px; }
.nha-brand__mark { width: 52px; height: 52px; flex: 0 0 auto; }
/* 站点标志：媒体库原图是 1174×1174，必须约束尺寸，否则会撑破站头布局 */
.nha-brand .custom-logo,
.nha-brand .custom-logo-link {
  display: inline-flex; align-items: center;
}
.nha-brand .custom-logo {
  width: 52px; max-width: 52px; height: auto;
  object-fit: contain; flex: 0 0 auto;
}
.nha-brand__name {
  font-family: var(--nha-font-display);
  font-size: 27px; font-weight: 700; margin: 0; line-height: 1.25;
  letter-spacing: .02em;
}
.nha-brand__en {
  font-family: var(--nha-font-mono);
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--nha-ink-faint); margin-top: 3px;
}
.nha-masthead__aside { text-align: right; font-size: 13px; color: var(--nha-ink-soft); }
.nha-masthead__aside strong { display: block; font-family: var(--nha-font-display); font-size: 16px; color: var(--nha-ink); }

/* 主导航 */
.nha-nav { background: var(--nha-white); border-bottom: 1px solid var(--nha-rule); position: sticky; top: 0; z-index: 90; }
.nha-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.nha-nav li { position: relative; }
.nha-nav a {
  display: block; padding: 15px 20px;
  font-size: 15.5px; font-weight: 500; letter-spacing: .02em;
  border-bottom: 2px solid transparent;
}
.nha-nav .current-menu-item > a,
.nha-nav .current_page_item > a,
.nha-nav a:hover { color: var(--nha-cinnabar); border-bottom-color: var(--nha-cinnabar); }
.nha-nav .menu-item-has-children > a::after {
  content: "▾"; margin-left: 6px; font-size: 10px; color: var(--nha-ink-faint);
}
.nha-nav .sub-menu {
  position: absolute; left: 0; top: 100%; min-width: 180px; z-index: 95;
  background: var(--nha-white); border: 1px solid var(--nha-rule);
  box-shadow: var(--nha-shadow); display: none;
}
.nha-nav li:hover > .sub-menu { display: block; }
.nha-nav .sub-menu a { padding: 10px 16px; font-size: 14.5px; border-bottom: 0; }
.nha-nav .sub-menu a:hover { background: var(--nha-paper-warm); }

/* 公告条 */
.nha-ticker { background: var(--nha-accent-soft); border-bottom: 1px solid #e7d6d1; font-size: 14px; }
.nha-ticker .nha-container { display: flex; align-items: center; gap: 14px; min-height: 42px; }
.nha-ticker__label {
  font-family: var(--nha-font-display); font-weight: 700; color: var(--nha-cinnabar);
  border-right: 1px solid #e0c8c2; padding-right: 14px; white-space: nowrap;
}
.nha-ticker__list { list-style: none; margin: 0; padding: 0; display: flex; gap: 26px; overflow: hidden; }
.nha-ticker__list li { white-space: nowrap; }
.nha-ticker__list a { color: var(--nha-ink-soft); }
.nha-ticker__list a:hover { color: var(--nha-cinnabar); }

/* ============================================================
   签名元素：膳食宝塔 (Food Pagoda)
   —— 既是协会标志，也是全站导航
   ============================================================ */
.nha-pagoda-hero {
  display: grid; grid-template-columns: minmax(0, 1fr) 420px;
  gap: 56px; align-items: center;
  padding: 60px 0 64px;
}
.nha-pagoda-hero__lede { font-size: 19px; line-height: 1.85; color: var(--nha-ink-soft); }
.nha-pagoda-hero__lede strong { color: var(--nha-ink); font-weight: 600; }
.nha-pagoda-hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

.nha-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; font-size: 15px; font-weight: 500;
  border: 1px solid var(--nha-ink); background: var(--nha-ink); color: var(--nha-white);
  border-radius: var(--nha-radius); transition: background .18s, color .18s, border-color .18s;
}
.nha-btn:hover { background: var(--nha-cinnabar); border-color: var(--nha-cinnabar); color: var(--nha-white); }
.nha-btn--ghost { background: transparent; color: var(--nha-ink); }
.nha-btn--ghost:hover { background: var(--nha-ink); border-color: var(--nha-ink); color: var(--nha-white); }

/* 文档下载提示（如章程 PDF 原件） */
.nha-doc-download {
  margin: 0 0 32px; padding: 18px 22px;
  background: var(--nha-paper-warm); border: 1px solid var(--nha-rule);
  border-left: 3px solid var(--nha-cinnabar); border-radius: var(--nha-radius);
}
.nha-doc-download p { margin: 0 0 10px; font-size: 15px; }
.nha-doc-download p:last-child { margin-bottom: 0; }
.nha-doc-download .nha-btn { font-size: 14px; padding: 9px 18px; }

/* 宝塔本体 */
.nha-pagoda { width: 100%; max-width: 420px; margin-inline: auto; }
.nha-pagoda__svg { width: 100%; height: auto; overflow: visible; }
.nha-pagoda__band { cursor: pointer; transition: opacity .2s; }
.nha-pagoda__band:hover { opacity: .82; }
.nha-pagoda__band rect { transition: transform .22s cubic-bezier(.2,.8,.3,1); transform-origin: center; }
.nha-pagoda__band:hover rect { transform: scaleX(1.035); }
.nha-pagoda__band text { font-family: var(--nha-font-display); font-weight: 700; pointer-events: none; }
.nha-pagoda__amount { font-family: var(--nha-font-mono); pointer-events: none; }
.nha-pagoda__water { font-family: var(--nha-font-display); font-weight: 700; fill: var(--nha-milk); }
.nha-pagoda__caption {
  text-align: center; margin-top: 14px; font-family: var(--nha-font-mono);
  font-size: 11.5px; letter-spacing: .1em; color: var(--nha-ink-faint);
}
.nha-pagoda__legend { list-style: none; margin: 20px 0 0; padding: 0; font-size: 13.5px; }
.nha-pagoda__legend li { display: flex; align-items: baseline; gap: 10px; padding: 5px 0; border-bottom: 1px dashed var(--nha-rule); }
.nha-pagoda__legend li:last-child { border-bottom: 0; }
.nha-pagoda__swatch { width: 11px; height: 11px; flex: 0 0 auto; border-radius: 1px; }
.nha-pagoda__legend b { font-weight: 600; }
.nha-pagoda__legend span { margin-left: auto; font-family: var(--nha-font-mono); font-size: 12px; color: var(--nha-ink-faint); }

/* ============================================================
   卡片 / 列表
   ============================================================ */
.nha-card {
  background: var(--nha-white); border: 1px solid var(--nha-rule);
  border-radius: var(--nha-radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}
.nha-card:hover { border-color: var(--nha-ink-faint); transform: translateY(-2px); box-shadow: var(--nha-shadow); }
.nha-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.nha-card__title { font-size: 19px; margin: 0 0 8px; }
.nha-card__title a { color: var(--nha-ink); }
.nha-card:hover .nha-card__title a { color: var(--nha-cinnabar); }
.nha-card__meta {
  font-family: var(--nha-font-mono); font-size: 11.5px; color: var(--nha-ink-faint);
  letter-spacing: .04em; margin-bottom: 10px; display: flex; gap: 12px;
}
.nha-card__excerpt { color: var(--nha-ink-soft); font-size: 14.5px; margin: 0 0 14px; flex: 1; }
.nha-card__thumb { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; background: var(--nha-paper-warm); }
.nha-card__tag {
  display: inline-block; font-size: 11.5px; font-family: var(--nha-font-mono);
  color: var(--nha-cinnabar); border: 1px solid #e0c8c2; padding: 2px 9px; border-radius: 999px;
  align-self: flex-start;
}

/* 带序号的列表（如通知公告、时间线） */
.nha-list { list-style: none; margin: 0; padding: 0; }
.nha-list--divided > li { padding: 15px 0; border-bottom: 1px solid var(--nha-rule); }
.nha-list--divided > li:last-child { border-bottom: 0; }
.nha-list--divided > li:first-child { padding-top: 0; }
.nha-list__row { display: flex; align-items: baseline; gap: 16px; }
.nha-list__title { font-family: var(--nha-font-display); font-size: 16.5px; font-weight: 700; }
.nha-list__title a { color: var(--nha-ink); }
.nha-list__title a:hover { color: var(--nha-cinnabar); }
.nha-list__date { margin-left: auto; font-family: var(--nha-font-mono); font-size: 12px; color: var(--nha-ink-faint); white-space: nowrap; }
.nha-list__excerpt { font-size: 14px; color: var(--nha-ink-soft); margin: 6px 0 0; }

/* 服务入口 */
.nha-service {
  display: block; padding: 24px 22px;
  background: var(--nha-white); border: 1px solid var(--nha-rule);
  border-radius: var(--nha-radius);
  transition: border-color .18s, background .18s;
}
.nha-service:hover { border-color: var(--nha-cinnabar); background: #fffdfc; color: inherit; }
.nha-service__icon {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center; margin-bottom: 14px;
  font-family: var(--nha-font-display); font-size: 20px; font-weight: 700; color: #fff;
}
.nha-service__title { font-family: var(--nha-font-display); font-size: 17.5px; font-weight: 700; margin: 0 0 6px; }
.nha-service__desc { font-size: 14px; color: var(--nha-ink-soft); margin: 0; line-height: 1.7; }
.nha-service__more { margin-top: 12px; font-family: var(--nha-font-mono); font-size: 11.5px; letter-spacing: .1em; color: var(--nha-cinnabar); }

/* 数据条（协会数字） */
.nha-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--nha-rule); border: 1px solid var(--nha-rule); }
.nha-stat { background: var(--nha-white); padding: 26px 22px; text-align: center; }
.nha-stat__num { font-family: var(--nha-font-display); font-size: 38px; font-weight: 700; line-height: 1; color: var(--nha-cinnabar); }
.nha-stat__num sup { font-size: 16px; vertical-align: super; }
.nha-stat__label { font-size: 13.5px; color: var(--nha-ink-soft); margin-top: 8px; }

/* ============================================================
   文章 / 页面
   ============================================================ */
.nha-page { padding: 44px 0 64px; }
.nha-page__title { font-size: 34px; margin-bottom: 10px; }
.nha-page__meta { font-family: var(--nha-font-mono); font-size: 12.5px; color: var(--nha-ink-faint); padding-bottom: 18px; margin-bottom: 28px; border-bottom: 1px solid var(--nha-rule); }
.nha-entry { font-size: 16.5px; line-height: 1.9; }
.nha-entry > * { max-width: 100%; }
.nha-entry h2 { font-size: 24px; margin-top: 1.8em; }
.nha-entry h3 { font-size: 19px; margin-top: 1.6em; }
.nha-entry figure { margin: 1.8em 0; }
.nha-entry figcaption { font-size: 13px; color: var(--nha-ink-faint); text-align: center; margin-top: 8px; }
.nha-entry table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 15px; }
.nha-entry th, .nha-entry td { border: 1px solid var(--nha-rule); padding: 10px 12px; text-align: left; }
.nha-entry th { background: var(--nha-paper-warm); font-family: var(--nha-font-display); }

.nha-entry__footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--nha-rule); display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.nha-entry__nav { font-size: 14px; color: var(--nha-ink-soft); }
.nha-entry__nav a { color: var(--nha-ink); border-bottom: 1px solid var(--nha-rule); }
.nha-entry__nav a:hover { color: var(--nha-cinnabar); border-color: var(--nha-cinnabar); }

/* 侧栏 */
.nha-sidebar { font-size: 14.5px; }
.nha-widget { margin-bottom: 32px; }
.nha-widget__title {
  font-family: var(--nha-font-display); font-size: 16px; font-weight: 700;
  padding-bottom: 10px; margin-bottom: 14px; border-bottom: 2px solid var(--nha-ink);
  display: flex; align-items: baseline; gap: 8px;
}
.nha-widget__title small { font-family: var(--nha-font-mono); font-size: 10.5px; letter-spacing: .12em; color: var(--nha-ink-faint); text-transform: uppercase; margin-left: auto; }
.nha-widget ul { list-style: none; margin: 0; padding: 0; }
.nha-widget li { padding: 7px 0; border-bottom: 1px dashed var(--nha-rule); }
.nha-widget li:last-child { border-bottom: 0; }
.nha-widget a { color: var(--nha-ink-soft); }
.nha-widget a:hover { color: var(--nha-cinnabar); }

/* 面包屑 */
.nha-crumbs { font-family: var(--nha-font-mono); font-size: 12px; color: var(--nha-ink-faint); margin-bottom: 18px; }
.nha-crumbs a { color: var(--nha-ink-soft); }
.nha-crumbs span { margin: 0 7px; }

/* 搜索 */
.nha-searchform { display: flex; border: 1px solid var(--nha-rule); background: var(--nha-white); border-radius: var(--nha-radius); overflow: hidden; }
.nha-searchform input[type=search] { flex: 1; border: 0; padding: 11px 14px; font: inherit; background: transparent; }
.nha-searchform button { border: 0; background: var(--nha-ink); color: #fff; padding: 0 18px; cursor: pointer; font-family: var(--nha-font-mono); font-size: 12px; letter-spacing: .08em; }
.nha-searchform button:hover { background: var(--nha-cinnabar); }

/* 分页 */
.nha-pagination { display: flex; gap: 8px; margin-top: 36px; flex-wrap: wrap; }
.nha-pagination .page-numbers {
  display: grid; place-items: center; min-width: 38px; height: 38px; padding: 0 10px;
  border: 1px solid var(--nha-rule); background: var(--nha-white);
  font-family: var(--nha-font-mono); font-size: 13px;
}
.nha-pagination .page-numbers:hover { border-color: var(--nha-ink); color: inherit; }
.nha-pagination .page-numbers.current { background: var(--nha-ink); border-color: var(--nha-ink); color: #fff; }

/* 空状态 */
.nha-empty { text-align: center; padding: 64px 20px; color: var(--nha-ink-faint); }
.nha-empty__title { font-family: var(--nha-font-display); font-size: 20px; color: var(--nha-ink-soft); margin-bottom: 8px; }

/* ============================================================
   知识库 / 证书查询（前台）
   ============================================================ */
.nha-kb-note {
  background: var(--nha-white); border: 1px solid var(--nha-rule);
  border-left: 3px solid var(--nha-milk); padding: 18px 20px; margin-bottom: 24px;
  font-size: 14.5px; color: var(--nha-ink-soft);
}
.nha-kb-note b { color: var(--nha-ink); }

/* 证书查询 */
.nha-cert-search {
  background: var(--nha-white); border: 1px solid var(--nha-rule);
  border-radius: var(--nha-radius); padding: 26px 28px; margin-bottom: 28px;
}
.nha-cert-search__row { display: grid; grid-template-columns: 1fr 1fr 160px; gap: 14px; align-items: end; }
.nha-field { display: flex; flex-direction: column; gap: 6px; }
.nha-field label { font-size: 13px; color: var(--nha-ink-soft); font-weight: 500; }
.nha-field input, .nha-field select, .nha-field textarea {
  font: inherit; font-size: 15px; padding: 10px 12px;
  border: 1px solid var(--nha-rule); background: var(--nha-paper); border-radius: var(--nha-radius);
  width: 100%;
}
.nha-field input:focus, .nha-field select:focus { border-color: var(--nha-ink); outline: none; background: #fff; }
.nha-field input:focus-visible { outline: 2px solid var(--nha-cinnabar); outline-offset: 1px; }
.nha-hint { font-size: 12.5px; color: var(--nha-ink-faint); margin: 8px 0 0; }

.nha-cert-result { margin-top: 22px; }
.nha-cert-item {
  display: grid; grid-template-columns: 1fr 220px; gap: 24px;
  background: var(--nha-white); border: 1px solid var(--nha-rule);
  border-radius: var(--nha-radius); padding: 20px 22px; margin-bottom: 14px;
}
.nha-cert-item__no {
  font-family: var(--nha-font-mono); font-size: 13px; color: var(--nha-cinnabar);
  letter-spacing: .06em; margin-bottom: 6px;
}
.nha-cert-item__name { font-family: var(--nha-font-display); font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.nha-cert-item__meta { font-size: 14px; color: var(--nha-ink-soft); display: grid; gap: 4px; }
.nha-cert-item__meta b { color: var(--nha-ink); font-weight: 600; }
.nha-cert-item__img { border: 1px solid var(--nha-rule); border-radius: var(--nha-radius); overflow: hidden; background: var(--nha-paper-warm); }
.nha-cert-item__img img { width: 100%; height: 100%; object-fit: cover; }
.nha-cert-status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-family: var(--nha-font-mono); }
.nha-cert-status--valid { background: #e8f2ea; color: #2f6b46; }
.nha-cert-status--revoked { background: #f7e6e4; color: #9c3428; }
.nha-cert-status--pending { background: #f6efe0; color: #8a6a20; }

/* 证书图片查看 */
.nha-lightbox {
  position: fixed; inset: 0; z-index: 9999; background: rgba(20,26,29,.92);
  display: none; place-items: center; padding: 30px;
}
.nha-lightbox.is-open { display: grid; }
.nha-lightbox img { max-width: 92vw; max-height: 88vh; object-fit: contain; border-radius: 2px; }
.nha-lightbox__close { position: absolute; top: 20px; right: 24px; color: #fff; font-size: 30px; background: none; border: 0; cursor: pointer; line-height: 1; }

/* 文档下载 */
.nha-doclist { list-style: none; margin: 0; padding: 0; }
.nha-doclist li { border-bottom: 1px solid var(--nha-rule); }
.nha-doclist a { display: flex; align-items: center; gap: 14px; padding: 14px 2px; }
.nha-doclist a:hover { color: inherit; }
.nha-doclist__type {
  font-family: var(--nha-font-mono); font-size: 10.5px; letter-spacing: .1em;
  background: var(--nha-accent-soft); color: var(--nha-cinnabar);
  padding: 3px 8px; border-radius: 2px; flex: 0 0 auto;
}
.nha-doclist__name { font-family: var(--nha-font-display); font-size: 16px; font-weight: 700; }
.nha-doclist__meta { margin-left: auto; font-family: var(--nha-font-mono); font-size: 12px; color: var(--nha-ink-faint); white-space: nowrap; }

/* ============================================================
   页脚
   ============================================================ */
.nha-footer { background: var(--nha-ink); color: rgba(255,255,255,.66); font-size: 14px; margin-top: 72px; }
.nha-footer__main { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; padding: 52px 0 40px; }
.nha-footer h4 {
  font-family: var(--nha-font-display); color: #fff; font-size: 15px;
  margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.14);
}
.nha-footer ul { list-style: none; margin: 0; padding: 0; }
.nha-footer li { padding: 4px 0; }
.nha-footer a { color: rgba(255,255,255,.66); }
.nha-footer a:hover { color: #fff; }
.nha-footer__brand { display: flex; gap: 13px; align-items: center; margin-bottom: 14px; }
.nha-footer__brand .nha-brand__name { color: #fff; font-size: 20px; }
/* 深色页脚里的标志：蓝底徽标在深色背景上不可读，加白色圆底衬托 */
.nha-footer__brand .custom-logo-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; flex: 0 0 auto;
  border-radius: 50%; background: #fff; padding: 4px;
}
.nha-footer__brand .custom-logo {
  width: 100%; height: 100%; max-width: 100%; object-fit: contain;
}
.nha-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 16px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--nha-font-mono); font-size: 12px; color: rgba(255,255,255,.42);
}

/* 印章 */
.nha-seal {
  width: 68px; height: 68px; flex: 0 0 auto;
  border: 2.5px solid var(--nha-cinnabar); border-radius: 4px;
  color: var(--nha-cinnabar); display: grid; place-items: center;
  font-family: var(--nha-font-display); font-weight: 700; font-size: 13px;
  line-height: 1.15; text-align: center; letter-spacing: .05em;
  transform: rotate(-4deg); opacity: .9;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .nha-pagoda-hero { grid-template-columns: 1fr; gap: 36px; }
  .nha-pagoda { max-width: 340px; }
  .nha-grid--sidebar { grid-template-columns: 1fr; gap: 36px; }
  .nha-footer__main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nha-container { width: calc(100% - 32px); }
  .nha-section { padding: 40px 0; }
  .nha-grid--2, .nha-grid--3, .nha-grid--4 { grid-template-columns: 1fr; }
  .nha-stats { grid-template-columns: repeat(2, 1fr); }
  .nha-masthead .nha-container { flex-direction: column; align-items: flex-start; gap: 14px; padding: 20px 0; }
  .nha-masthead__aside { text-align: left; }
  .nha-brand__name { font-size: 22px; }
  .nha-nav { position: static; }
  .nha-nav a { padding: 12px 13px; font-size: 15px; }
  .nha-head__title { font-size: 23px; }
  .nha-cert-search__row { grid-template-columns: 1fr; }
  .nha-cert-item { grid-template-columns: 1fr; }
  .nha-footer__main { grid-template-columns: 1fr; gap: 28px; }
  .nha-page__title { font-size: 26px; }
  .nha-utility .nha-container { justify-content: center; }
}
@media (max-width: 420px) {
  .nha-stats { grid-template-columns: 1fr; }
  .nha-pagoda-hero__cta .nha-btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

@media print {
  .nha-utility, .nha-nav, .nha-ticker, .nha-footer, .nha-page__title { display: none; }
  body { background: #fff; }
}