/* 关于我们 / 联系 / 商业授权咨询 专用样式 */

.page-hero h1 .text-grad { display: inline-block; }
.about-lead { max-width: 760px; }

/* 难题 → 方案 面板 */
.problem-board {
  display: grid; gap: 10px; padding: var(--sp-5);
  border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lg);
}
.pb-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; position: relative; }
.pb-row::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 22px; height: 22px; margin: -11px 0 0 -11px;
  border-radius: 50%; background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334d399' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center/14px no-repeat;
  border: 1px solid var(--border); z-index: 1;
}
.pb-q, .pb-a { padding: 14px 16px; border-radius: var(--r-md); font-size: 14.5px; line-height: 1.5; font-weight: 500; }
.pb-q { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); }
.pb-a { background: var(--primary-soft); border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent); color: var(--primary-soft-text); font-weight: 600; padding-left: 22px; }
.pb-k { display: block; font-size: 11.5px; font-weight: 700; letter-spacing: .08em; opacity: .7; margin-bottom: 2px; }

/* 使命 / 愿景 / 价值观 */
.mvv-card .icon-box { margin-bottom: var(--sp-4); }
.mvv-label { display: block; font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--primary); margin-bottom: 4px; }
.mvv-card h3 { font-size: 19px; }
.mvv-card .check-list { margin-top: var(--sp-2); gap: 8px; }
.mvv-card .check-list li { font-size: 14.5px; }
.mvv-card .check-list strong { color: var(--text); }

/* 联系方式 */
.contact-card { display: flex; flex-direction: column; }
.contact-card .icon-box { margin-bottom: var(--sp-3); }
.contact-card h3 { font-size: 17px; margin-bottom: 4px; }
.contact-card p { margin: 0; font-size: 15px; overflow-wrap: anywhere; }
.contact-card p a { font-weight: 600; }
.contact-card .contact-sub { margin-top: 4px; font-size: 13px; color: var(--text-3); }
.contact-card .more { margin-top: auto; padding-top: var(--sp-3); }
.contact-cta { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.placeholder {
  display: inline-block; padding: 1px 10px; border-radius: 6px; font-size: 14px; font-weight: 600;
  color: var(--text-3); background: var(--bg-muted); border: 1px dashed var(--border-strong);
}

/* 商业授权咨询 */
.license-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--sp-12); align-items: start; }
.license-aside { position: sticky; top: calc(var(--header-h) + 32px); }
.license-aside h2 { font-size: clamp(26px, 2.8vw, 34px); }
.license-aside .lead { font-size: var(--fs-md); color: var(--text-2); }
.license-aside .check-list { margin-top: var(--sp-6); }
.license-contact { margin-top: var(--sp-8); padding-top: var(--sp-5); border-top: 1px solid var(--border); font-size: 14px; color: var(--text-3); display: flex; flex-wrap: wrap; gap: 6px; }
.license-contact a { font-weight: 600; }
.license-card { padding: var(--sp-8); box-shadow: var(--shadow-lg); border-radius: var(--r-xl); }
.license-form-title { margin: 0; font-size: var(--fs-lg); }
.license-req-note { margin: calc(var(--sp-5) * -1 + 4px) 0 0; }
.license-req-note .req, .form .req { color: var(--danger); }
.fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.fieldset legend { padding: 0; }
.fieldset .opt { font-weight: 400; color: var(--text-3); font-size: 13px; margin-left: 4px; }
.choice { cursor: pointer; }
.choice input { margin: 0; }
.choice:hover span { border-color: var(--primary); }
.desc-count { text-align: right; margin: 4px 0 0; font-variant-numeric: tabular-nums; }
.field .consent { display: flex; gap: 10px; align-items: flex-start; margin: 0; font-size: 14px; font-weight: 400; color: var(--text-2); line-height: 1.6; cursor: pointer; }
.consent input { flex: none; width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--primary); cursor: pointer; }
.consent a { font-weight: 600; }
.consent-field.has-error .consent input { outline: 2px solid var(--danger); outline-offset: 1px; border-radius: 3px; }
.field.has-error .choice span { border-color: var(--danger); }
.form-status { margin: 0; font-size: 14px; color: var(--danger); font-weight: 500; }
.form-status:empty { display: none; }
.form-status.is-info { color: var(--text-2); }
.form.is-hidden { display: none; }
#license-submit[disabled] { opacity: .7; cursor: progress; }
.form-success h3 { font-size: var(--fs-xl); }
.form-success p { max-width: 420px; margin-left: auto; margin-right: auto; }
.form-success:focus { outline: none; box-shadow: none; }

/* 隐私 / 条款 */
.legal-card { scroll-margin-top: calc(var(--header-h) + 24px); }
.legal-card:target { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.legal-head { display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-4); }
.legal-head h3 { margin: 0; }
.legal-list { list-style: none; display: grid; gap: 10px; }
.legal-list li { position: relative; padding-left: 16px; font-size: 14.5px; color: var(--text-2); line-height: 1.65; }
.legal-list li::before { content: ""; position: absolute; left: 2px; top: .7em; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); opacity: .6; }
.legal-list strong { color: var(--text); font-weight: 600; }
.legal-foot { margin: var(--sp-5) 0 0; padding-top: var(--sp-4); border-top: 1px solid var(--border); font-size: 13px !important; color: var(--text-3); }

@media (max-width: 1024px) {
  .license-layout { grid-template-columns: 1fr; gap: var(--sp-8); }
  .license-aside { position: static; }
}
@media (max-width: 768px) {
  .license-card { padding: var(--sp-6) var(--sp-5); }
  .pb-row { grid-template-columns: 1fr; gap: 0; }
  .pb-row::after { display: none; }
  .pb-q { border-radius: var(--r-md) var(--r-md) 0 0; border-bottom: 0; }
  .pb-a { border-radius: 0 0 var(--r-md) var(--r-md); padding-left: 16px; }
}

/* 旧链接 about.html#demo 的锚点别名 */
.anchor-alias { display: block; height: 0; overflow: hidden; }