/* ============ 时也AI 企业官网 全站样式 ============ */
:root {
  --primary: #14418c;
  --primary-dark: #0e2f63;
  --primary-light: #3d6bc0;
  --accent: #2f7cf6;
  --cyan: #17b0c4;
  --text: #1f2937;
  --text-light: #5b6b7f;
  --text-muted: #8a97a8;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-tint: #eef3fa;
  --border: #e3eaf3;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(20, 65, 140, 0.08);
  --shadow-lg: 0 18px 60px rgba(20, 65, 140, 0.14);
  --maxw: 1160px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: var(--primary-dark); }
.logo-mark { width: 36px; height: 36px; flex: none; object-fit: contain; }
.logo .en { font-size: 12px; font-weight: 500; color: var(--text-muted); display: block; line-height: 1.1; letter-spacing: .12em; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px; border-radius: 8px; font-size: 15px; color: var(--text-light);
  transition: all .2s;
}
.main-nav a:hover { color: var(--primary); background: var(--bg-tint); }
.main-nav a.active { color: var(--primary); font-weight: 600; background: var(--bg-tint); }
.header-cta {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary); color: #fff; font-size: 14px;
  padding: 9px 18px; border-radius: 999px; margin-left: 10px; transition: all .2s;
}
.header-cta:hover { background: var(--primary-dark); color: #fff; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--primary-dark); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .kicker {
  display: inline-block; font-size: 13px; letter-spacing: .2em; color: var(--accent);
  font-weight: 600; margin-bottom: 12px; text-transform: uppercase;
}
.section-head h2 { font-size: 34px; color: var(--primary-dark); letter-spacing: .02em; margin-bottom: 14px; }
.section-head p { color: var(--text-light); font-size: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: all .22s; cursor: pointer; border: none;
}
.btn-primary { background: linear-gradient(120deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 8px 24px rgba(31, 99, 216, .3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(31, 99, 216, .4); color: #fff; }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.65); color: #fff; background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn-outline { border: 1.5px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--bg-tint); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(47,124,246,.28), transparent 60%),
    radial-gradient(700px 380px at -5% 110%, rgba(23,176,196,.18), transparent 60%),
    linear-gradient(135deg, #0d2a5c 0%, #14418c 55%, #1c56ad 100%);
  color: #fff;
}
.hero-inner { position: relative; z-index: 2; }
/* 两栏栅格：左侧文案 + 右侧二维码，各占一栏，永不重叠 */
.container.hero-inner {
  max-width: var(--maxw); padding: 96px 24px 104px;
  display: grid; grid-template-columns: minmax(0, 1fr) 206px;
  align-items: center; column-gap: 64px;
}
.hero-content { min-width: 0; }
.hero .tag {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(255,255,255,.35); border-radius: 999px;
  padding: 6px 16px; font-size: 13px; letter-spacing: .08em; margin-bottom: 28px;
  background: rgba(255,255,255,.08);
}
.hero h1 { font-size: 46px; line-height: 1.28; letter-spacing: .02em; margin-bottom: 22px; }
.hero h1 .hl { color: #7fd4ff; }
.hero p.lead { font-size: 18px; color: rgba(255,255,255,.82); max-width: 640px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-grid {
  position: absolute; inset: 0; opacity: .5; z-index: 1;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
}
.hero-stats { display: flex; gap: 48px; margin-top: 64px; flex-wrap: wrap; }
.hero-stats .num { font-size: 30px; font-weight: 700; }
.hero-stats .num span { color: #7fd4ff; }
.hero-stats .lbl { font-size: 13px; color: rgba(255,255,255,.65); margin-top: 2px; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 30px; transition: all .25s; position: relative;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg-tint), #dbe8fb); margin-bottom: 20px;
}
.card .icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; color: var(--primary-dark); margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--text-light); }
.card .more { display: inline-block; margin-top: 16px; color: var(--accent); font-size: 14px; font-weight: 600; }
.card .tagline {
  position: absolute; top: 22px; right: 22px; font-size: 12px; color: var(--accent);
  background: var(--bg-tint); border-radius: 999px; padding: 3px 12px;
}

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 22px; text-align: center; transition: .25s; }
.step:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.step .no {
  width: 42px; height: 42px; margin: 0 auto 16px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 17px;
}
.step h4 { font-size: 16px; color: var(--primary-dark); margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-light); }

/* ---------- 列表页 hero（内页头图） ---------- */
.page-hero {
  background:
    radial-gradient(700px 300px at 80% -20%, rgba(47,124,246,.25), transparent 60%),
    linear-gradient(135deg, #0d2a5c, #17498f);
  color: #fff; padding: 72px 0;
}
.page-hero h1 { font-size: 36px; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.78); max-width: 640px; font-size: 16px; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #7fd4ff; }

/* ---------- 资讯列表 ---------- */
.news-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.news-card .cover { height: 180px; background: linear-gradient(135deg, #dbe8fb, #c3d9f5); display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 700; font-size: 15px; letter-spacing: .1em; }
.news-card .cover img { width: 100%; height: 100%; object-fit: cover; }
.news-card .body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.news-card .meta { font-size: 12.5px; color: var(--text-muted); display: flex; gap: 14px; margin-bottom: 10px; }
.news-card .meta .cat { color: var(--accent); font-weight: 600; }
.news-card h3 { font-size: 18px; line-height: 1.5; margin-bottom: 10px; color: var(--text); }
.news-card h3 a:hover { color: var(--primary); }
.news-card p { font-size: 14px; color: var(--text-light); flex: 1; }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.pager button {
  min-width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border);
  background: #fff; color: var(--text-light); cursor: pointer; font-size: 14px; transition: .2s;
}
.pager button:hover { border-color: var(--primary); color: var(--primary); }
.pager button.cur { background: var(--primary); border-color: var(--primary); color: #fff; }
.empty-tip { text-align: center; color: var(--text-muted); padding: 70px 0; font-size: 15px; }

/* ---------- 文章详情 ---------- */
.article-wrap { max-width: 820px; margin: 0 auto; }
.article-head { padding: 56px 0 30px; border-bottom: 1px solid var(--border); }
.article-head h1 { font-size: 32px; line-height: 1.4; color: var(--primary-dark); margin-bottom: 16px; }
.article-head .meta { font-size: 13.5px; color: var(--text-muted); display: flex; gap: 20px; }
.article-body { padding: 40px 0 30px; font-size: 16.5px; color: #2a3644; }
.article-body h2 { font-size: 24px; color: var(--primary-dark); margin: 38px 0 16px; padding-left: 14px; border-left: 4px solid var(--accent); }
.article-body h3 { font-size: 19px; color: var(--primary-dark); margin: 30px 0 12px; }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 26px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(47,124,246,.4); transition: .2s; }
.article-body a:hover { color: var(--primary); border-bottom-color: var(--primary); }
.article-body blockquote { border-left: 4px solid var(--border); background: var(--bg-soft); padding: 16px 20px; margin: 0 0 18px; border-radius: 0 10px 10px 0; color: var(--text-light); font-size: 15px; }
.article-body img { border-radius: 12px; margin: 10px 0 22px; }
.article-body table { width: 100%; border-collapse: collapse; margin-bottom: 18px; font-size: 14.5px; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-body th { background: var(--bg-soft); color: var(--primary-dark); }
.article-back { padding-bottom: 80px; }

/* ---------- FAQ ---------- */
.faq-item { border: 1px solid var(--border); border-radius: 12px; background: #fff; margin-bottom: 14px; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--primary-dark);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q .arr { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--bg-tint); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 13px; transition: .25s; }
.faq-item.open .arr { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 24px 22px; color: var(--text-light); font-size: 15px; }
.faq-item.open .faq-a { max-height: 600px; }

/* ---------- 表格 ---------- */
.table-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.table-card table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.table-card th { background: var(--primary-dark); color: #fff; text-align: left; padding: 16px 22px; font-weight: 600; }
.table-card td { padding: 16px 22px; border-top: 1px solid var(--border); color: var(--text-light); vertical-align: top; }
.table-card tr:hover td { background: var(--bg-soft); }
.table-card td strong { color: var(--text); }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary) 60%, #1c56ad);
  border-radius: 22px; color: #fff; padding: 60px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px;
  border-radius: 50%; background: radial-gradient(circle, rgba(127,212,255,.25), transparent 70%);
}
.cta-band h2 { font-size: 27px; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,.75); font-size: 15px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.info-item { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px dashed var(--border); }
.info-item .ic { width: 44px; height: 44px; flex: none; border-radius: 12px; background: var(--bg-tint); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.info-item h4 { font-size: 15px; color: var(--primary-dark); margin-bottom: 2px; }
.info-item p { font-size: 14.5px; color: var(--text-light); }
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-card h3 { font-size: 20px; color: var(--primary-dark); margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--text-light); margin-bottom: 6px; }
.field label b { color: #d64545; }
.field input, .field textarea, .field select {
  width: 100%; border: 1.5px solid var(--border); border-radius: 10px; padding: 11px 14px;
  font-size: 14.5px; color: var(--text); outline: none; transition: .2s; background: #fff;
  font-family: inherit;
}
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47,124,246,.12); }
.field textarea { min-height: 120px; resize: vertical; }
.form-msg { display: none; margin-top: 14px; padding: 12px 16px; border-radius: 10px; font-size: 14px; }
.form-msg.ok { display: block; background: #e8f7ee; color: #1c7c46; border: 1px solid #bfe8cf; }
.form-msg.err { display: block; background: #fdeeee; color: #c0392b; border: 1px solid #f5c6c6; }

/* ---------- 关于页 ---------- */
.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-visual {
  border-radius: 20px; min-height: 340px; padding: 40px;
  background: linear-gradient(135deg, #0d2a5c, #1c56ad); color: #fff;
  display: flex; flex-direction: column; justify-content: center; gap: 18px;
}
.about-visual .big { font-size: 40px; font-weight: 700; }
.about-visual .sub { color: rgba(255,255,255,.7); font-size: 14px; }
.value-item { display: flex; gap: 14px; margin-bottom: 26px; }
.value-item .dot { flex: none; width: 34px; height: 34px; border-radius: 10px; background: var(--bg-tint); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.value-item h4 { font-size: 16.5px; color: var(--primary-dark); margin-bottom: 4px; }
.value-item p { font-size: 14.5px; color: var(--text-light); }

/* ---------- 页脚 ---------- */
.site-footer { background: #0c2347; color: rgba(255,255,255,.72); margin-top: 0; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 44px; }
.footer-main h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; font-weight: 600; }
.footer-main a, .footer-main p { font-size: 13.5px; color: rgba(255,255,255,.6); display: block; margin-bottom: 10px; }
.footer-main a:hover { color: #7fd4ff; }
.footer-main .logo { color: #fff; margin-bottom: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: 12.5px; color: rgba(255,255,255,.4); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- 浮动咨询 ---------- */
.float-contact {
  position: fixed; right: 26px; bottom: 34px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.float-contact a {
  width: 52px; height: 52px; border-radius: 50%; background: #fff; color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border); transition: .22s;
}
.float-contact a:hover { background: var(--primary); color: #fff; }
.float-contact svg { width: 22px; height: 22px; }

/* ---------- 微信二维码 ---------- */
.hero-qr {
  width: 206px; background: #fff; border-radius: 18px; padding: 14px 12px 16px;
  box-shadow: 0 20px 60px rgba(6, 20, 45, .35); text-align: center;
}
.hero-qr img { display: block; width: 100%; max-width: 172px; height: auto; border-radius: 10px; margin: 0 auto; }
.hero-qr strong { display: block; font-size: 13.5px; color: var(--primary-dark); margin-top: 10px; }
.hero-qr span { display: block; font-size: 11px; color: var(--text-muted); line-height: 1.5; margin-top: 2px; }

.wechat-block {
  display: flex; gap: 16px; align-items: center; margin-top: 26px;
  padding: 16px 18px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 16px;
}
.wechat-block img { width: 104px; height: 104px; border-radius: 10px; background: #fff; padding: 4px; flex: none; }
.wechat-block strong { display: block; font-size: 15px; color: var(--primary-dark); margin-bottom: 4px; }
.wechat-block p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

.float-contact .fc-wechat { position: relative; }
.wechat-pop {
  display: none; position: absolute; right: 66px; top: 50%; transform: translateY(-50%);
  background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 12px;
  box-shadow: var(--shadow-lg); width: 172px; text-align: center;
}
.wechat-pop img { width: 146px; height: 146px; border-radius: 8px; margin: 0 auto; }
.wechat-pop em { display: block; font-style: normal; font-size: 12.5px; color: var(--primary-dark); margin-top: 8px; font-weight: 600; }
.wechat-pop::after {
  content: ''; position: absolute; right: -6px; top: 50%; margin-top: -6px; width: 12px; height: 12px;
  background: #fff; border-right: 1px solid var(--border); border-top: 1px solid var(--border); transform: rotate(45deg);
}
.float-contact .fc-wechat:hover .wechat-pop,
.float-contact .fc-wechat.open .wechat-pop { display: block; }

/* ---------- 响应式 ---------- */
@media (max-width: 1120px) {
  /* 单栏：二维码卡片从右栏改为「按钮/统计下方」的横排卡片，不与文字争空间 */
  .container.hero-inner { grid-template-columns: 1fr; column-gap: 0; }
  .hero-qr {
    width: auto; max-width: 460px; margin-top: 40px;
    display: flex; align-items: center; gap: 16px; text-align: left;
    padding: 14px 18px; border-radius: 16px;
  }
  .hero-qr img { width: 96px; height: 96px; max-width: 96px; margin: 0; flex: none; }
  .hero-qr strong { font-size: 14.5px; margin-top: 0; }
  .hero-qr span { font-size: 12.5px; }
}
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-block, .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
  .hero-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 28px; margin-top: 52px; }
  .hero-inner { padding: 80px 0 90px; }
  .container.hero-inner { padding: 80px 24px 90px; }
  .section { padding: 64px 0; }
  .main-nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch; padding: 12px 20px 20px;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 10px; border-bottom: 1px solid var(--bg-soft); }
  .nav-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
  .header-cta { display: none; }
  .header-inner { height: 64px; }
  .main-nav { top: 64px; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; padding: 48px 0 36px; }
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 24px; }
  .page-hero { padding: 48px 0; }
  .page-hero h1 { font-size: 26px; }
  .page-hero p { font-size: 15px; }
  .cta-band { padding: 40px 24px; }
  /* 首屏 */
  .container.hero-inner { padding: 56px 20px 64px; }
  .hero h1 { font-size: 26px; line-height: 1.4; margin-bottom: 16px; }
  .hero h1 br { display: none; }
  .hero .tag { font-size: 12px; padding: 5px 12px; margin-bottom: 20px; }
  .hero p.lead { font-size: 15px; margin-bottom: 28px; }
  .hero-actions { gap: 12px; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 16px; margin-top: 40px; }
  .hero-stats .num { font-size: 24px; }
  .hero-stats .lbl { font-size: 12px; line-height: 1.5; }
  /* 卡片与图片 */
  .card { padding: 22px 20px; }
  .article-head { padding: 40px 0 24px; }
  .article-body { font-size: 16px; padding: 28px 0 24px; }
  .article-body img { border-radius: 10px; }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 17.5px; }
  .article-body table, .article-body pre { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .article-body table { white-space: nowrap; }
  .article-back .btn { width: 100%; justify-content: center; }
  /* 多列表格 → 卡片式 */
  .table-grid { border: 0; background: transparent; box-shadow: none; border-radius: 0; }
  .table-grid table, .table-grid tbody, .table-grid tr, .table-grid td, .table-grid th { display: block; width: 100%; }
  .table-grid tr:first-child { display: none; }
  .table-grid tr {
    background: #fff; border: 1px solid var(--border); border-radius: 12px;
    margin-bottom: 14px; box-shadow: var(--shadow); overflow: hidden;
  }
  .table-grid td { border: 0; padding: 10px 16px; }
  .table-grid td[data-label]::before {
    content: attr(data-label); display: block; font-size: 11.5px;
    letter-spacing: .04em; color: var(--text-muted); margin-bottom: 3px;
  }
  .table-grid td:first-child { background: var(--bg-soft); padding-top: 12px; padding-bottom: 12px; }
  .table-grid td:first-child strong { font-size: 15.5px; color: var(--primary-dark); }
  .table-grid tr:hover td { background: transparent; }
  .table-grid td:first-child:hover { background: var(--bg-soft); }
  /* 两列信息表 */
  .table-kv td { padding: 12px 14px; font-size: 13.5px; }
  .table-kv td:first-child { width: 96px !important; }
}

/* ============ 管理后台 ============ */
.admin-body { background: var(--bg-soft); min-height: 100vh; }
.admin-topbar {
  background: var(--primary-dark); color: #fff; height: 58px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 26px;
  position: sticky; top: 0; z-index: 50;
}
.admin-topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; }
.admin-topbar .brand small { font-weight: 400; color: rgba(255,255,255,.55); font-size: 12px; }
.admin-topbar .userbox { display: flex; align-items: center; gap: 14px; font-size: 13.5px; color: rgba(255,255,255,.8); }
.admin-topbar .userbox button {
  background: rgba(255,255,255,.12); border: none; color: #fff; border-radius: 8px;
  padding: 7px 14px; cursor: pointer; font-size: 13px; transition: .2s;
}
.admin-topbar .userbox button:hover { background: rgba(255,255,255,.22); }
.admin-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0d2a5c, #17498f 70%, #1c56ad); padding: 24px; }
.admin-login-card { background: #fff; border-radius: 18px; padding: 44px 40px; width: 100%; max-width: 420px; box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.admin-login-card h1 { font-size: 22px; color: var(--primary-dark); margin-bottom: 6px; }
.admin-login-card .sub { font-size: 13.5px; color: var(--text-muted); margin-bottom: 28px; }
.admin-layout { display: flex; max-width: 1280px; margin: 26px auto; padding: 0 20px; gap: 22px; align-items: flex-start; }
.admin-side { width: 190px; flex: none; background: #fff; border-radius: 14px; border: 1px solid var(--border); padding: 12px; }
.admin-side a {
  display: block; padding: 12px 16px; border-radius: 10px; color: var(--text-light);
  font-size: 14.5px; margin-bottom: 4px; transition: .18s; cursor: pointer;
}
.admin-side a:hover { background: var(--bg-tint); color: var(--primary); }
.admin-side a.active { background: var(--primary); color: #fff; font-weight: 600; }
.admin-main { flex: 1; min-width: 0; }
.admin-panel { background: #fff; border-radius: 14px; border: 1px solid var(--border); padding: 28px; }
.admin-panel h2 { font-size: 19px; color: var(--primary-dark); margin-bottom: 20px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 26px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.stat-card .v { font-size: 28px; font-weight: 700; color: var(--primary-dark); }
.stat-card .k { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th { text-align: left; padding: 12px 14px; background: var(--bg-soft); color: var(--text-light); font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap; }
.admin-table td { padding: 12px 14px; border-bottom: 1px solid var(--bg-soft); color: var(--text); vertical-align: middle; }
.admin-table tr:hover td { background: var(--bg-soft); }
.badge { display: inline-block; font-size: 12px; border-radius: 999px; padding: 3px 11px; font-weight: 600; }
.badge.pub { background: #e8f7ee; color: #1c7c46; }
.badge.draft { background: #fdf3e2; color: #b07b1a; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 13.5px; padding: 4px 8px; border-radius: 6px; }
.link-btn:hover { background: var(--bg-tint); }
.link-btn.danger { color: #c0392b; }
.link-btn.danger:hover { background: #fdeeee; }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.admin-toolbar .search { flex: 1; max-width: 320px; }
.admin-toolbar .search input { width: 100%; border: 1.5px solid var(--border); border-radius: 10px; padding: 10px 14px; font-size: 14px; outline: none; }
.admin-toolbar .search input:focus { border-color: var(--accent); }
/* 编辑器 */
.editor-toolbar { display: flex; flex-wrap: wrap; gap: 6px; border: 1.5px solid var(--border); border-bottom: none; border-radius: 12px 12px 0 0; padding: 10px; background: var(--bg-soft); }
.editor-toolbar button, .editor-toolbar select {
  border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 7px 12px;
  font-size: 13.5px; cursor: pointer; color: var(--text); transition: .15s; font-family: inherit;
}
.editor-toolbar button:hover { border-color: var(--accent); color: var(--accent); }
.editor-area {
  min-height: 380px; border: 1.5px solid var(--border); border-radius: 0 0 12px 12px;
  padding: 22px 26px; font-size: 15.5px; line-height: 1.85; outline: none; background: #fff;
  overflow-y: auto; color: #2a3644;
}
.editor-area:focus { border-color: var(--accent); }
.editor-area img { max-width: 100%; border-radius: 8px; }
.editor-area h2 { font-size: 21px; margin: 22px 0 10px; color: var(--primary-dark); }
.editor-area h3 { font-size: 17.5px; margin: 18px 0 8px; }
.editor-area p { margin-bottom: 12px; }
.editor-area ul, .editor-area ol { margin: 0 0 12px 24px; }
.editor-area a { color: var(--accent); border-bottom: 1px solid rgba(47,124,246,.4); }
.editor-area blockquote { border-left: 3px solid var(--border); padding-left: 14px; color: var(--text-light); margin-bottom: 12px; }
.editor-area table { border-collapse: collapse; margin-bottom: 12px; }
.editor-area td, .editor-area th { border: 1px solid var(--border); padding: 6px 10px; }
.editor-mode-toggle { font-size: 12.5px; }
textarea.html-src {
  width: 100%; min-height: 380px; border: 1.5px solid var(--accent); border-radius: 0 0 12px 12px;
  font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 13px; padding: 18px; outline: none;
  display: none; resize: vertical; color: var(--text);
}
.anchor-dialog {
  display: none; position: fixed; inset: 0; background: rgba(15,35,70,.45); z-index: 200;
  align-items: center; justify-content: center;
}
.anchor-dialog.open { display: flex; }
.anchor-dialog .box { background: #fff; border-radius: 16px; padding: 30px; width: 92%; max-width: 480px; box-shadow: 0 24px 70px rgba(0,0,0,.3); }
.anchor-dialog h3 { font-size: 17px; color: var(--primary-dark); margin-bottom: 18px; }
.anchor-dialog .hint { font-size: 12.5px; color: var(--text-muted); margin-top: -10px; margin-bottom: 14px; }
.anchor-dialog .acts { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.anchor-quick { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.anchor-quick button { font-size: 12px; border: 1px solid var(--border); background: var(--bg-soft); border-radius: 999px; padding: 4px 12px; cursor: pointer; color: var(--text-light); }
.anchor-quick button:hover { color: var(--accent); border-color: var(--accent); }
.msg-dialog {
  display: none; position: fixed; inset: 0; background: rgba(15,35,70,.45); z-index: 210;
  align-items: center; justify-content: center;
}
.msg-dialog.open { display: flex; }
.msg-dialog .box { background: #fff; border-radius: 16px; padding: 30px; width: 92%; max-width: 560px; }
.msg-dialog h3 { color: var(--primary-dark); font-size: 17px; margin-bottom: 14px; }
.msg-dialog .meta { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.msg-dialog p { font-size: 14.5px; color: var(--text); white-space: pre-wrap; }
.msg-dialog .acts { text-align: right; margin-top: 20px; }
@media (max-width: 900px) {
  .admin-layout { flex-direction: column; }
  .admin-side { width: 100%; display: flex; overflow-x: auto; }
  .admin-side a { white-space: nowrap; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-panel { padding: 20px 16px; overflow-x: auto; }
  .admin-topbar { padding: 0 14px; }
  .admin-topbar .brand small { display: none; }
  .admin-topbar .userbox a { display: none; }
}
@media (max-width: 600px) {
  .admin-login-card { padding: 32px 22px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .admin-topbar { font-size: 14px; }
  .admin-topbar .userbox span { display: none; }
}