/* 关于我们页（/about/）：独立设计编排，不复用文章模板。依赖 service-pages.css 的基础 token 与页眉页脚。 */

/* —— Hero —— */
.about-hero {
  background:
    radial-gradient(ellipse at 82% 30%, #e7dfff 0, transparent 55%),
    linear-gradient(110deg, #fdfcff 10%, #f5f2fd 60%, #eef0ff);
  border-bottom: 1px solid #e9e1f8;
  padding: 56px 0 66px;
}
.about-hero .breadcrumbs { margin: 0 0 42px; }
.about-eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--purple);
  font-weight: 700;
}
.about-hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.28;
  letter-spacing: -0.03em;
  margin: 18px 0 22px;
}
.about-grad {
  background: linear-gradient(92deg, #315eff, #9527fa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about-hero .lead { max-width: 660px; font-size: 17px; }
.about-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.about-chips span {
  font-size: 13px;
  padding: 8px 17px;
  border: 1px solid #d9ccff;
  border-radius: 999px;
  color: #55417d;
  background: #fff;
}

/* —— 事实条 —— */
.about-facts { padding: 52px 0 10px; }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.fact { border-top: 1px solid var(--line); padding-top: 18px; }
.fico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: #f4f0ff;
  display: grid;
  place-items: center;
  color: var(--purple);
}
.fico svg { width: 20px; height: 20px; }
.fact b { display: block; font-size: 15px; margin: 12px 0 6px; }
.fact p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.75; }

/* —— 区块通用 —— */
.about-sec { padding: 86px 0; }
.about-sec.soft { background: var(--paper); }
.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--purple);
  font-weight: 700;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: #c9b8ff; }
.kicker .cn { color: var(--muted); letter-spacing: 0.12em; font-weight: 600; }
.about-sec h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin: 18px 0 12px;
}
.sec-intro { color: var(--muted); max-width: 600px; font-size: 15px; margin: 0; }

/* —— 资质：横版大卡 —— */
.cred-row { display: grid; gap: 20px; margin-top: 46px; }
.cred-large {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px 34px;
  align-items: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.cred-large:hover {
  border-color: #c9b8ff;
  box-shadow: 0 16px 40px #2514500d;
}
.cred-mark { display: flex; flex-direction: column; gap: 12px; }
.cico {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, #f4f0ff, #e7dfff);
  display: grid;
  place-items: center;
  color: var(--purple);
}
.cico svg { width: 26px; height: 26px; }
.cred-mark small {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--purple);
  font-weight: 700;
  line-height: 1.7;
}
.cred-body h3 { font-size: 20px; margin: 0 0 8px; }
.cred-body p { margin: 0 0 14px; color: var(--muted); font-size: 14.5px; line-height: 1.85; }
.cred-body p strong { color: var(--ink); font-weight: 650; }
.cred-body a { font-size: 14px; font-weight: 600; }
.cred-entity {
  margin-top: 20px;
  display: flex;
  gap: 18px;
  align-items: center;
  border: 1px dashed #c9b8ff;
  border-radius: 18px;
  padding: 20px 26px;
  background: #fbfaff;
}
.cred-entity .cico { flex-shrink: 0; width: 46px; height: 46px; }
.cred-entity h3 { font-size: 16px; margin: 0 0 4px; }
.cred-entity p { margin: 0; font-size: 13.5px; color: var(--muted); }
.cred-entity a { font-size: 13.5px; font-weight: 600; white-space: nowrap; }

/* —— 工程实践：列表行 —— */
.eng-list { margin-top: 42px; }
.eng-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 25px 8px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.2s;
}
.eng-row:last-of-type { border-bottom: 1px solid var(--line); }
.eng-row:hover { background: #fbfaff; }
.eng-num { font-size: 13px; color: #9b8fc0; font-weight: 700; letter-spacing: 0.08em; }
.eng-main h3 { font-size: 16.5px; margin: 0 0 4px; font-weight: 650; }
.eng-main .eng-tag { font-size: 11px; color: var(--purple); letter-spacing: 0.08em; font-weight: 700; }
.eng-main p { margin: 4px 0 0; font-size: 13px; color: var(--muted); }
.eng-arrow { font-size: 21px; color: var(--purple); transition: transform 0.2s; }
.eng-row:hover .eng-arrow { transform: translateX(4px); }
.eng-more { margin-top: 28px; }

/* —— 合作方式 —— */
.partner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 46px; }
.partner-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 34px; }
.partner-card h3 { font-size: 18px; margin: 0 0 12px; display: flex; gap: 12px; align-items: center; }
.partner-card p { color: var(--muted); font-size: 14px; line-height: 1.9; margin: 0; }
.partner-card a {
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  gap: 8px;
  margin-top: 16px;
}

/* —— 联系区 —— */
.about-contact {
  background:
    radial-gradient(ellipse at 80% 30%, #e7dfff, transparent 70%),
    linear-gradient(110deg, #f5f2ff, #edeeff);
  border-block: 1px solid #e9e1f8;
  padding: 82px 0;
}
.contact-cols { display: grid; grid-template-columns: 1fr 1.15fr; gap: 46px; align-items: start; }
.about-contact h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.02em; margin: 16px 0 10px; }
.contact-copy-p { color: var(--muted); font-size: 14.5px; line-height: 1.9; max-width: 420px; }
.contact-phone { display: inline-block; font-size: 25px; font-weight: 700; margin: 14px 0 4px; }
.qr-mini {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid #e6defa;
  border-radius: 16px;
  padding: 14px 18px;
  max-width: 340px;
}
.qr-mini img { width: 100px; height: 100px; border-radius: 10px; }
.qr-mini small { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* —— 留资表单 —— */
.about-form {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border: 1px solid #e6defa;
  border-radius: 24px;
  padding: 34px 36px 26px;
  display: grid;
  gap: 22px;
}
.about-form h3 { font-size: 20px; font-weight: 700; margin: 0 0 6px; }
.about-form-head p { margin: 0; font-size: 13.5px; color: var(--muted); }
.about-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.field-wide { grid-column: 1 / -1; }
.about-fields label { display: grid; gap: 7px; font-size: 13px; color: #55516b; font-weight: 600; }
.about-fields input,
.about-fields textarea {
  font: inherit;
  font-weight: 400;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 15px;
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  resize: vertical;
}
.about-fields input:focus,
.about-fields textarea:focus { border-color: var(--purple); box-shadow: 0 0 0 4px #efeaff; }
.about-fields input::placeholder,
.about-fields textarea::placeholder { color: #a9a5b8; }
.about-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.about-actions .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--purple);
  color: #fff;
  padding: 12px 26px;
  border-radius: 10px;
  border: 0;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.lead-status {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #55417d;
  background: #f4f0ff;
  border-radius: 10px;
  padding: 9px 16px;
}
.lead-status a { color: var(--purple); font-weight: 600; }
.about-privacy { font-size: 12px; color: #9b96ad; margin: 0; }
.about-privacy a { color: #7951bb; text-decoration: underline; text-underline-offset: 3px; }

/* —— 响应式 —— */
@media (max-width: 1000px) {
  .fact-grid { grid-template-columns: repeat(2, 1fr); }
  .cred-large { grid-template-columns: 1fr; gap: 20px; }
  .contact-cols { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .about-hero { padding: 40px 0 48px; }
  .about-hero .breadcrumbs { margin-bottom: 30px; }
  .about-sec { padding: 62px 0; }
  .fact-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .partner-grid { grid-template-columns: 1fr; }
  .eng-row { grid-template-columns: 40px 1fr; }
  .eng-arrow { display: none; }
  .about-form { padding: 26px 22px 20px; }
  .about-fields { grid-template-columns: 1fr; }
  .cred-entity { flex-direction: column; align-items: flex-start; }
}