/* POMEAS Optical Engineering Tools — 样式
   与官网一致的专业工业风格：深墨绿主色 + 浅灰底 + 高对比结果区 */
:root {
  --pm-primary: #316558;
  --pm-primary-dark: #244c3f;
  --pm-accent: #0f766e;
  --pm-ink: #1c2b26;
  --pm-body: #3f4d47;
  --pm-muted: #6b7a73;
  --pm-line: #dfe6e3;
  --pm-bg: #f6f8f7;
  --pm-card: #ffffff;
  --pm-warn: #8a5a00;
  --pm-warn-bg: #fff8e6;
  --pm-err: #a3212a;
  --pm-err-bg: #fdecec;
  --pm-ok: #1f7a4d;
  --radius: 10px;
}

* { box-sizing: border-box; }

body.pm {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--pm-body);
  background: var(--pm-bg);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

.pm a { color: var(--pm-primary); text-decoration: none; }
.pm a:hover { text-decoration: underline; }
.pm h1, .pm h2, .pm h3, .pm h4 { color: var(--pm-ink); line-height: 1.3; }

.pm-wrap { max-width: 1140px; margin: 0 auto; padding: 0 18px; }

/* 顶部 */
.pm-top { background: var(--pm-primary); color: #fff; }
.pm-top .pm-wrap { display: flex; align-items: center; gap: 16px; padding: 12px 18px; flex-wrap: wrap; }
.pm-logo { font-weight: 700; font-size: 18px; color: #fff; letter-spacing: .3px; }
.pm-logo span { font-weight: 400; opacity: .85; font-size: 13px; }
.pm-nav { display: flex; gap: 14px; flex-wrap: wrap; margin-left: auto; }
.pm-nav a { color: #d7e5e0; font-size: 13px; }
.pm-nav a:hover { color: #fff; }
.pm-lang { font-size: 13px; border: 1px solid rgba(255,255,255,.5); border-radius: 6px; padding: 3px 10px; color: #fff; }

/* 面包屑 */
.pm-crumb { font-size: 13px; color: var(--pm-muted); padding: 14px 0 0; }
.pm-crumb a { color: var(--pm-muted); }

/* 主体 */
.pm-main { padding: 14px 0 40px; }
.pm-h1 { font-size: 28px; margin: 6px 0 8px; }
.pm-lead { font-size: 16px; color: var(--pm-body); margin: 0 0 18px; max-width: 900px; }

.pm-card { background: var(--pm-card); border: 1px solid var(--pm-line); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.pm-card > h2 { margin-top: 0; font-size: 20px; }
.pm-card > h3 { font-size: 16px; }

/* 表单 */
.pm-form { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px 18px; }
.field { display: flex; flex-direction: column; }
.field label { font-size: 13px; font-weight: 600; color: var(--pm-ink); margin-bottom: 4px; }
.field .hint { font-size: 12px; color: var(--pm-muted); margin-top: 3px; }
.field input, .field select {
  border: 1px solid var(--pm-line); border-radius: 6px; padding: 8px 10px; font-size: 14px;
  background: #fff; color: var(--pm-ink); width: 100%;
}
.field input:focus, .field select:focus { outline: 2px solid rgba(49,101,88,.35); border-color: var(--pm-primary); }
.field .unit { font-weight: 400; color: var(--pm-muted); }
.field.has-error input, .field.has-error select { border-color: var(--pm-err); background: var(--pm-err-bg); }
.field .err { color: var(--pm-err); font-size: 12px; margin-top: 3px; }

.pm-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.btn {
  border: 1px solid var(--pm-primary); background: #fff; color: var(--pm-primary);
  border-radius: 6px; padding: 9px 16px; font-size: 14px; cursor: pointer; font-weight: 600;
}
.btn:hover { background: #eef4f2; }
.btn-primary { background: var(--pm-primary); color: #fff; border-color: var(--pm-primary); }
.btn-primary:hover { background: var(--pm-primary-dark); }
.btn-primary-mini { background: var(--pm-primary); color: #fff; border-color: var(--pm-primary); padding: 6px 12px; font-size: 13px; border-radius: 6px; cursor: pointer; }
.btn-mini { border: 1px solid var(--pm-line); background: #fff; color: var(--pm-ink); border-radius: 6px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.btn-mini:hover { background: #f0f4f3; }

/* 结果 */
.results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.rc { border: 1px solid var(--pm-line); border-radius: 8px; padding: 12px 14px; background: #fbfdfc; }
.rc-primary { background: #eef6f3; border-color: #bcd9cf; }
.rc-l { font-size: 12px; color: var(--pm-muted); }
.rc-v { font-size: 22px; font-weight: 700; color: var(--pm-ink); margin-top: 2px; }
.rc-u { font-size: 13px; font-weight: 500; color: var(--pm-muted); }
.rc-h { font-size: 12px; color: var(--pm-muted); margin-top: 4px; }

.result-table { margin-top: 16px; }
table.rt { width: 100%; border-collapse: collapse; font-size: 14px; }
table.rt th, table.rt td { border: 1px solid var(--pm-line); padding: 8px 10px; text-align: left; vertical-align: top; }
table.rt th { background: #f2f6f4; font-weight: 600; color: var(--pm-ink); width: 42%; }
table.rt thead th { width: auto; }

.notes { margin-top: 16px; background: var(--pm-warn-bg); border-left: 3px solid var(--pm-warn); padding: 10px 14px; border-radius: 6px; font-size: 13px; }
.notes ul { margin: 6px 0 0; padding-left: 18px; }
.alert { padding: 10px 14px; border-radius: 6px; font-size: 14px; }
.alert-err { background: var(--pm-err-bg); color: var(--pm-err); border: 1px solid #f1c9cb; }

/* 候选产品 */
.cand-list { display: grid; gap: 12px; }
.cand { border: 1px solid var(--pm-line); border-radius: 8px; padding: 14px; background: #fff; }
.cand-h { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cand-model { font-weight: 700; color: var(--pm-ink); font-size: 15px; }
.cand-name { font-size: 13px; color: var(--pm-muted); margin: 2px 0 6px; }
.cand-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.tag { font-size: 12px; background: #eef3f1; color: var(--pm-ink); border-radius: 4px; padding: 2px 7px; border: 1px solid var(--pm-line); }
.tag-ok { background: #e7f6ed; color: var(--pm-ok); border-color: #bfe3cd; }
.tag-warn { background: var(--pm-warn-bg); color: var(--pm-warn); border-color: #f0dcb0; }
.cand-reasons, .cand-gaps { font-size: 13px; margin-top: 6px; }
.cand-reasons ul { margin: 4px 0 0; padding-left: 18px; }
.cand-gaps ul { margin: 4px 0 0; padding-left: 18px; color: var(--pm-warn); }
.cand-actions { margin-top: 10px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.cand-link { font-size: 13px; }

/* FAQ */
.pm-faq details { border: 1px solid var(--pm-line); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; background: #fff; }
.pm-faq summary { font-weight: 600; cursor: pointer; color: var(--pm-ink); }
.pm-faq p { margin: 8px 0 2px; font-size: 14px; }

/* 工具中心首页 */
.series { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.series-card { border: 1px solid var(--pm-line); border-radius: var(--radius); padding: 16px; background: #fff; }
.series-card h3 { margin: 0 0 6px; font-size: 16px; }
.series-card ul { margin: 8px 0 0; padding-left: 18px; font-size: 14px; }
.series-card li { margin-bottom: 5px; }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.tool-card { border: 1px solid var(--pm-line); border-radius: var(--radius); padding: 16px; background: #fff; display: flex; flex-direction: column; }
.tool-card h3 { margin: 0 0 6px; font-size: 17px; }
.tool-card p { font-size: 14px; margin: 0 0 10px; }
.tool-card .meta { font-size: 12px; color: var(--pm-muted); margin-top: auto; padding-top: 8px; }

.pm-search { display: flex; gap: 10px; margin: 12px 0 18px; flex-wrap: wrap; }
.pm-search input { flex: 1 1 240px; border: 1px solid var(--pm-line); border-radius: 6px; padding: 9px 12px; font-size: 14px; }

/* 页脚 */
.pm-foot { background: #23352f; color: #cfdad6; padding: 24px 0; font-size: 13px; }
.pm-foot a { color: #e3efeb; }
.pm-disclaimer { background: #fdfaf3; border: 1px solid #ecdfc0; border-radius: 8px; padding: 14px; font-size: 13px; color: #5c5344; }

.muted { color: var(--pm-muted); font-size: 13px; }
.sec-h { font-size: 16px; margin: 22px 0 10px; }
.result-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.toast { position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%); background: #23352f; color: #fff;
         padding: 8px 16px; border-radius: 6px; font-size: 13px; z-index: 999; }
.inq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.inq-code { display: flex; gap: 10px; align-items: center; }
.inq-code img { height: 34px; border: 1px solid var(--pm-line); border-radius: 4px; cursor: pointer; }
#in_msg { font-size: 13px; margin-top: 8px; color: var(--pm-ink); }

@media (max-width: 640px) {
  .pm-h1 { font-size: 22px; }
  .pm-lead { font-size: 15px; }
  .pm-card { padding: 14px; }
  .rc-v { font-size: 19px; }
  .pm-nav { width: 100%; margin-left: 0; }
}