/* JFBK 協会官网 v0.3 - 共有样式
   关键词：日本協会感 / 認証管理 / 修了証番号 / 冷静 / 留白 / 規則感 / 印章感
   色系：象牙白 / 米灰白 / 极浅灰 + 墨黑 / 深灰 + 古铜金 / 低饱和淡金 + 冷灰 */

:root {
  --bg: #f4f1ea;
  --bg-soft: #ebe6d8;
  --bg-card: #ffffff;
  --bg-paper: #faf7f0;
  --ink: #1a1a17;
  --ink-soft: #4a4a44;
  --ink-faint: #8a857b;
  --line: #d2cab5;
  --line-soft: #e6e0ce;
  --line-cold: #c8c5be;
  --gold: #9b7e4a;
  --gold-soft: #c0a878;
  --gold-deep: #74582f;
  --cold: #6b7280;
  --alert: #8a3a2a;
  --serif: "YuMincho", "Yu Mincho", "Hiragino Mincho ProN", "Songti SC", "STSong", "Georgia", serif;
  --sans: -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --heading: "YuMincho", "Yu Mincho", "Hiragino Mincho ProN", "Songti SC", "STSong", "Georgia", serif;
  --max-w: 1100px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.85;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold-deep); text-decoration: none; transition: color .2s; }
a:hover { color: var(--ink); }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(244, 241, 234, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  z-index: 100;
}
.nav-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  font-family: var(--heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  white-space: nowrap;
  line-height: 1.35;
}
.brand .sub {
  display: block;
  font-size: 10px;
  color: var(--ink-faint);
  font-weight: 400;
  letter-spacing: 0.18em;
  margin-top: 3px;
  font-family: var(--sans);
}
.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  font-size: 13px;
  font-family: var(--sans);
}
.nav-links a { color: var(--ink-soft); }
.nav-links a.active { color: var(--gold-deep); border-bottom: 1px solid var(--gold); padding-bottom: 2px; }
.lang-switch {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  font-family: var(--sans);
  letter-spacing: 0.05em;
}
.lang-switch a { color: var(--ink-soft); padding: 4px 8px; }
.lang-switch a.active { color: var(--gold-deep); border: 1px solid var(--gold); }
.lang-switch .sep { color: var(--line); }

/* ===== 页脚 ===== */
.site-footer {
  border-top: 2px solid var(--line);
  margin-top: 80px;
  background: var(--bg-soft);
}
.footer-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px 32px;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.95;
  font-family: var(--sans);
}
.footer-wrap p { margin-bottom: 10px; }
.footer-meta {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ink-faint);
}

/* ===== 通用 ===== */
main { min-height: 60vh; }
.section { padding: 80px 24px; max-width: var(--max-w); margin: 0 auto; }
.section-tight { padding: 48px 24px; max-width: var(--max-w); margin: 0 auto; }
.section-title {
  font-family: var(--heading);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--ink);
  text-align: center;
  margin-bottom: 8px;
}
.section-title-en {
  display: block;
  text-align: center;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-rule {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 36px;
  position: relative;
}
.section-rule::before, .section-rule::after {
  content: "";
  position: absolute;
  top: -2px;
  width: 4px; height: 4px;
  background: var(--gold);
  border-radius: 50%;
}
.section-rule::before { left: -8px; }
.section-rule::after { right: -8px; }
.section-lead {
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 2.1;
}

/* ===== Hero（含修了証サンプル局部）===== */
.hero {
  padding: 90px 24px 80px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-bottom: 2px solid var(--line);
  position: relative;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 1px;
  background: var(--gold);
}
.hero::before { top: 36px; }
.hero::after { bottom: 36px; }

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-text { text-align: left; }
.hero-cert { position: relative; }

.hero .system-stamp {
  display: inline-block;
  border: 1.5px solid var(--gold);
  color: var(--gold-deep);
  font-family: var(--heading);
  font-size: 12px;
  letter-spacing: 0.4em;
  padding: 6px 18px;
  margin-bottom: 24px;
  background: rgba(155, 126, 74, 0.05);
}
.hero h1 {
  font-family: var(--heading);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-bottom: 18px;
  line-height: 1.55;
}
.hero .sub {
  font-family: var(--heading);
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.28em;
  line-height: 2.4;
  margin-bottom: 32px;
}
.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ===== 修了証サンプル（首页局部露出）===== */
.cert-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  transform: rotate(-3deg);
  filter: blur(0.4px);
  opacity: 0.85;
  pointer-events: none;
}
.cert-preview .cert-frame {
  position: absolute;
  inset: 0;
  background: var(--bg-paper);
  border: 6px solid var(--gold);
  box-shadow:
    inset 0 0 0 2px var(--bg-paper),
    inset 0 0 0 4px var(--gold-soft),
    0 20px 60px rgba(0,0,0,0.08);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  font-family: var(--heading);
  color: var(--gold-deep);
}
.cert-preview .cert-emblem {
  width: 48px; height: 48px;
  margin: 0 auto 8px;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  letter-spacing: 0.1em;
  background: rgba(155, 126, 74, 0.05);
}
.cert-preview .cert-org {
  font-size: 9px;
  letter-spacing: 0.25em;
  margin-bottom: 4px;
}
.cert-preview .cert-system {
  font-size: 7px;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
  margin-bottom: 12px;
}
.cert-preview .cert-title {
  font-size: 22px;
  letter-spacing: 0.6em;
  font-weight: 700;
  margin: 8px 0;
  padding: 8px 0;
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}
.cert-preview .cert-body {
  font-size: 8px;
  letter-spacing: 0.15em;
  line-height: 1.8;
  color: var(--ink-soft);
}
.cert-preview .cert-fields {
  text-align: left;
  font-size: 8px;
  letter-spacing: 0.1em;
  line-height: 1.9;
  margin: 8px auto 0;
}
.cert-preview .cert-fields div { display: flex; justify-content: space-between; gap: 16px; }
.cert-preview .cert-fields .label { color: var(--ink-faint); }
.cert-preview .cert-fields .val { color: var(--ink); border-bottom: 1px dotted var(--line); flex: 1; text-align: right; }
.cert-preview .cert-seal {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 56px; height: 56px;
  border: 1.5px solid var(--alert);
  color: var(--alert);
  border-radius: 50%;
  font-size: 6px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(138, 58, 42, 0.04);
  font-family: var(--heading);
  line-height: 1.3;
  text-align: center;
}
.cert-preview .cert-tag {
  position: absolute;
  bottom: -16px;
  right: -8px;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 4px 10px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
  transform: rotate(3deg);
}

/* ===== 修了証サンプル（完整查看页：course 风格的占位）===== */
.cert-full {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 40px;
  margin: 0 auto;
  max-width: 900px;
  position: relative;
}
.cert-full .cert-frame { filter: none; opacity: 1; }

/* ===== 按钮 ===== */
.btn-line {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  padding: 12px 32px;
  font-size: 13px;
  letter-spacing: 0.22em;
  font-family: var(--sans);
  transition: all .25s;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
}
.btn-line:hover {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.btn-dark {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  padding: 12px 32px;
  font-size: 13px;
  letter-spacing: 0.22em;
  font-family: var(--sans);
  transition: all .25s;
  cursor: pointer;
}
.btn-dark:hover { background: var(--gold-deep); border-color: var(--gold-deep); }

/* ===== 查询入口卡片 ===== */
.query-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.query-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 44px 28px;
  text-align: center;
  transition: all .25s;
  position: relative;
}
.query-card::before {
  content: "";
  position: absolute;
  top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px solid transparent;
  transition: border-color .25s;
  pointer-events: none;
}
.query-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(155, 126, 74, 0.1); }
.query-card:hover::before { border-color: var(--gold-soft); }
.query-card .num {
  font-family: var(--heading);
  font-size: 36px;
  color: var(--gold);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  font-weight: 700;
  line-height: 1;
}
.query-card .num::after {
  content: "";
  display: block;
  width: 28px; height: 1px;
  background: var(--gold);
  margin: 14px auto 0;
}
.query-card h3 {
  font-family: var(--heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 20px 0 16px;
  letter-spacing: 0.08em;
}
.query-card p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 2;
  margin-bottom: 26px;
}

/* ===== 认定体系 / 実技研修体系 卡片 ===== */
.training-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.training-card {
  background: var(--bg-card);
  border-top: 3px double var(--gold);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 36px 28px;
  position: relative;
}
.training-card .stage {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.35em;
  margin-bottom: 14px;
  font-weight: 600;
}
.training-card h3 {
  font-family: var(--heading);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.training-card p { font-size: 13px; color: var(--ink-soft); line-height: 2; }
.training-card .target {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 1.9;
}

/* ===== 制度正文 ===== */
.policy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.policy-block {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 32px 28px;
}
.policy-block h3 {
  font-family: var(--heading);
  font-size: 16px;
  color: var(--gold-deep);
  letter-spacing: 0.15em;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
.policy-block p, .policy-block li {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 2;
}
.policy-block ul { list-style: none; padding-left: 0; }
.policy-block ul li { padding-left: 1.2em; text-indent: -1.2em; }
.policy-block ul li::before { content: "・"; color: var(--gold); margin-right: 4px; }

/* ===== 案例分类 ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 22px;
  transition: all .25s;
}
.case-card:hover { border-color: var(--gold); transform: translateX(4px); }
.case-card .case-no {
  width: 56px; height: 56px;
  border: 1.5px solid var(--gold);
  color: var(--gold-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-family: var(--heading);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}
.case-card .case-name {
  font-family: var(--heading);
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ===== 認定証卡片（教师/沙龙）===== */
.cert-card-mini {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 28px;
  align-items: center;
  max-width: 760px;
  margin: 0 auto;
}
.cert-card-mini .cert-mini-info h3 {
  font-family: var(--heading);
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: 0.1em;
}
.cert-card-mini .cert-mini-info p { font-size: 13px; color: var(--ink-soft); line-height: 1.95; margin-bottom: 6px; }
.cert-card-mini .cert-mini-info .label { color: var(--ink-faint); font-size: 11px; letter-spacing: 0.15em; }
.cert-card-mini .cert-mini-frame {
  aspect-ratio: 4/3;
  background: var(--bg-paper);
  border: 3px solid var(--gold);
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-family: var(--heading);
  color: var(--gold-deep);
  position: relative;
}
.cert-card-mini .cert-mini-frame .org { font-size: 7px; letter-spacing: 0.2em; }
.cert-card-mini .cert-mini-frame .title { font-size: 14px; letter-spacing: 0.4em; font-weight: 700; margin: 8px 0; padding: 4px 0; border-top: 1px solid var(--gold); border-bottom: 1px solid var(--gold); }
.cert-card-mini .cert-mini-frame .plate { font-size: 6px; letter-spacing: 0.15em; color: var(--ink-faint); margin-top: 4px; }

/* ===== 声明 banner ===== */
.notice {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 28px 32px;
  margin: 36px auto 0;
  max-width: 760px;
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 2.1;
  font-family: var(--sans);
  position: relative;
}
.notice::before {
  content: "記";
  position: absolute;
  top: 14px; right: 18px;
  font-family: var(--heading);
  font-size: 14px;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 2px 8px;
  letter-spacing: 0.2em;
}
.notice strong { color: var(--ink); font-weight: 600; }

/* ===== 子页 hero ===== */
.page-hero {
  padding: 80px 24px 56px;
  text-align: center;
  background: var(--bg-soft);
  border-bottom: 2px solid var(--line);
  position: relative;
}
.page-hero::after {
  content: "";
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 1px;
  background: var(--gold);
}
.page-hero h1 {
  font-family: var(--heading);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--ink);
  margin-bottom: 8px;
}
.page-hero .en {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.page-hero .system-tag {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  border: 1px solid var(--line);
  padding: 4px 14px;
}

/* ===== 证书查询 ===== */
.verify-tabs {
  display: flex;
  border-bottom: 2px solid var(--gold);
  margin-bottom: 32px;
}
.verify-tab {
  flex: 1;
  padding: 16px 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-family: var(--heading);
  font-size: 14px;
  color: var(--ink-soft);
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: all .2s;
}
.verify-tab.active {
  color: var(--gold-deep);
  border-bottom-color: var(--gold-deep);
  background: var(--bg-card);
  font-weight: 600;
}
.verify-tab:hover:not(.active) { color: var(--ink); background: rgba(155, 126, 74, 0.05); }

.verify-search {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 36px 32px;
  margin-bottom: 28px;
}
.verify-search label {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 10px;
  letter-spacing: 0.15em;
  font-weight: 600;
}
.verify-search input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--line);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}
.verify-search input:focus { outline: none; border-color: var(--gold); background: #fff; }
.verify-search button {
  background: var(--ink);
  color: #fff;
  border: none;
  padding: 14px 40px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.3em;
  cursor: pointer;
  transition: background .2s;
  font-weight: 600;
}
.verify-search button:hover { background: var(--gold-deep); }

.verify-result {
  background: var(--bg-card);
  border: 2px solid var(--gold);
  padding: 36px;
  position: relative;
}
.verify-result.empty {
  border: 1px dashed var(--line);
  text-align: center;
  color: var(--ink-faint);
  padding: 64px 24px;
  font-size: 14px;
  font-family: var(--sans);
}
.verify-result .row {
  display: flex;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
}
.verify-result .row:last-child { border-bottom: none; }
.verify-result .row .label {
  flex: 0 0 140px;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
  font-size: 13px;
  font-family: var(--sans);
}
.verify-result .row .value { flex: 1; color: var(--ink); font-weight: 500; }
.verify-result .result-head {
  border-bottom: 2px double var(--gold);
  padding-bottom: 18px;
  margin-bottom: 18px;
}
.verify-result .result-head h3 {
  font-family: var(--heading);
  font-size: 17px;
  color: var(--ink);
  letter-spacing: 0.15em;
  font-weight: 600;
}
.verify-result .result-head .no {
  font-family: var(--sans);
  font-size: 18px;
  color: var(--gold-deep);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-top: 8px;
}
.verify-result .status-active {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  padding: 3px 12px;
  font-size: 11px;
  letter-spacing: 0.25em;
  margin-left: 12px;
  font-family: var(--sans);
  font-weight: 600;
}

/* ===== 修了証サンプル查看页 ===== */
.cert-full {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 56px 48px;
  margin: 0 auto;
  max-width: 880px;
  position: relative;
}
.cert-full .cert-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-paper);
  border: 8px solid var(--gold);
  box-shadow:
    inset 0 0 0 2px var(--bg-paper),
    inset 0 0 0 4px var(--gold-soft),
    inset 0 0 60px rgba(155, 126, 74, 0.08),
    0 30px 80px rgba(0,0,0,0.06);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  font-family: var(--heading);
  color: var(--gold-deep);
  filter: none;
  opacity: 1;
}
.cert-full .cert-frame::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px dashed var(--gold-soft);
  pointer-events: none;
}
.cert-full .cert-emblem {
  width: 64px; height: 64px;
  margin: 0 auto 12px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0.15em;
  background: rgba(155, 126, 74, 0.05);
  font-weight: 700;
}
.cert-full .cert-org {
  font-size: 13px;
  letter-spacing: 0.35em;
  margin-bottom: 6px;
  font-weight: 600;
}
.cert-full .cert-system {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--ink-faint);
  margin-bottom: 20px;
}
.cert-full .cert-title {
  font-size: 36px;
  letter-spacing: 0.8em;
  font-weight: 700;
  margin: 12px 0;
  padding: 16px 0;
  border-top: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}
.cert-full .cert-body {
  font-size: 12px;
  letter-spacing: 0.2em;
  line-height: 2;
  color: var(--ink-soft);
  margin: 20px 0;
}
.cert-full .cert-fields {
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 2;
  margin: 12px auto 0;
  max-width: 540px;
}
.cert-full .cert-fields div { display: flex; justify-content: space-between; gap: 16px; padding: 4px 0; }
.cert-full .cert-fields .label { color: var(--ink-faint); flex-shrink: 0; }
.cert-full .cert-fields .val { color: var(--ink); border-bottom: 1px dotted var(--line); flex: 1; text-align: right; padding-left: 16px; }
.cert-full .cert-sign {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--gold-soft);
  font-size: 10px;
  letter-spacing: 0.2em;
}
.cert-full .cert-sign .role { color: var(--ink-faint); margin-bottom: 6px; }
.cert-full .cert-sign .name { color: var(--ink); font-size: 11px; font-weight: 600; }
.cert-full .cert-sign .seal {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 10px;
  border: 1.5px solid var(--alert);
  color: var(--alert);
  font-size: 9px;
  letter-spacing: 0.1em;
}
.cert-full .cert-disclaimer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 9px;
  color: var(--ink-faint);
  line-height: 1.9;
  letter-spacing: 0.08em;
}

/* ===== 移动端 ===== */
@media (max-width: 768px) {
  body { font-size: 14px; }
  .nav-wrap { flex-direction: column; align-items: flex-start; gap: 14px; padding: 14px 16px; }
  .nav-links { flex-wrap: wrap; gap: 14px; font-size: 12px; }
  .lang-switch { align-self: flex-end; }
  .section { padding: 56px 16px; }
  .hero { padding: 56px 16px 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-text { text-align: center; }
  .hero h1 { font-size: 22px; letter-spacing: 0.1em; }
  .hero .sub { font-size: 12px; letter-spacing: 0.2em; }
  .hero-buttons { justify-content: center; }
  .cert-preview { max-width: 360px; margin: 0 auto; }
  .section-title { font-size: 22px; letter-spacing: 0.18em; }
  .section-title-en { font-size: 10px; }
  .query-grid, .training-grid { grid-template-columns: 1fr; }
  .policy-grid { grid-template-columns: 1fr; gap: 20px; }
  .case-grid { grid-template-columns: 1fr; }
  .cert-card-mini { grid-template-columns: 1fr; }
  .verify-search { padding: 24px 18px; }
  .verify-result { padding: 24px 18px; }
  .verify-result .row { flex-direction: column; gap: 4px; padding: 14px 0; }
  .verify-result .row .label { flex: none; }
  .verify-result .result-head .no { font-size: 15px; }
  .page-hero { padding: 56px 16px 40px; }
  .page-hero h1 { font-size: 24px; letter-spacing: 0.18em; }
  .footer-wrap { padding: 36px 18px 24px; }
  .notice { padding: 22px 20px; }
  .notice::before { display: none; }
  .cert-full { padding: 24px 16px; }
  .cert-full .cert-frame { padding: 28px 20px; }
  .cert-full .cert-title { font-size: 24px; letter-spacing: 0.5em; }
}