.page-contact {
  --contact-rail: 330px;
}

.page-contact .breadcrumb {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  margin-top: clamp(14px, 2.5vw, 24px);
  padding: clamp(26px, 5vw, 60px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.5vw, 52px);
}

.page-contact .contact-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lead .lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-self: end;
}

.page-contact .hero-stat {
  background: var(--ink-750);
  padding: 16px 14px 18px;
  display: grid;
  gap: 7px;
}

.page-contact .hero-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 23px);
  line-height: 1.2;
  color: var(--gold);
}

.page-contact .hero-stat__label {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4.5vw, 52px);
  padding: clamp(32px, 5vw, 58px) 0 clamp(44px, 6vw, 78px);
}

.page-contact .rail-title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

/* ---------- 联系方式卡片 ---------- */
.page-contact .contact-card {
  background: linear-gradient(160deg, var(--ink-800), var(--ink-750));
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  padding: 16px 18px 18px;
  margin-bottom: 12px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .contact-card:hover {
  border-color: var(--line-signal);
  border-left-color: var(--signal);
  transform: translateX(2px);
}

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .contact-card__value {
  margin: 6px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 1.7vw, 15.5px);
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-card__desc {
  margin: 0 0 13px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .copy-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--line-cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .copy-chip:hover {
  background: rgba(0, 229, 195, 0.12);
  border-color: var(--cyan);
}

.page-contact .copy-chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .copy-chip[data-copied] {
  border-color: var(--line-gold);
  color: var(--gold);
}

.page-contact .contact-map {
  margin: 20px 0 0;
  border: 1px solid var(--line);
}

.page-contact .contact-map .media__caption {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 主栏章节节奏 ---------- */
.page-contact .contact-main > * + * {
  margin-top: clamp(40px, 6vw, 74px);
}

.page-contact .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .section p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 表单章节 ---------- */
.page-contact .form-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-contact .form-block .media {
  border: 1px solid var(--line);
}

.page-contact .form-note p {
  margin: 0 0 18px;
}

.page-contact .checklist {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--signal);
  transform: rotate(45deg);
}

.page-contact .field-preview {
  margin-top: clamp(26px, 3.5vw, 38px);
  padding: clamp(18px, 3vw, 28px);
  background: var(--ink-750);
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
}

.page-contact .field-preview__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .field-row {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.page-contact .field-row:last-child {
  margin-bottom: 0;
}

.page-contact .field-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .field-box {
  padding: 11px 14px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .field-box:hover {
  border-color: var(--line-signal);
  color: var(--paper);
}

.page-contact .field-box:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
  border-color: var(--signal);
  color: var(--paper);
  box-shadow: inset 3px 0 0 var(--signal);
}

/* ---------- 业务方向 ---------- */
.page-contact .dir-list {
  display: grid;
  gap: 12px;
}

.page-contact .dir-card {
  padding: 18px 20px;
  background: var(--ink-750);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-cyan);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .dir-card:hover {
  background: var(--ink-800);
  border-color: var(--line-cyan);
  border-left-color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .dir-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-left-color: var(--cyan);
  background: var(--ink-800);
}

.page-contact .dir-card__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .dir-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .dir-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .dir-card__sum {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .dir-card__more {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-contact .dir-card:hover .dir-card__more,
.page-contact .dir-card:focus-visible .dir-card__more {
  max-height: 240px;
  opacity: 1;
}

.page-contact .dir-card__more p {
  margin: 14px 0 0;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 服务区域与响应 ---------- */
.page-contact .rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .rhythm__step {
  background: var(--ink-750);
  padding: 18px 18px 22px;
}

.page-contact .rhythm__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-contact .rhythm__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .rhythm__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 3.2vw, 34px);
}

.page-contact .fact {
  padding-top: 14px;
  border-top: 1px solid var(--line-gold);
}

.page-contact .fact__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.2;
  color: var(--gold);
}

.page-contact .fact__label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .icp-line {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 延伸入口 ---------- */
.page-contact .next-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(26px, 3.5vw, 38px);
}

.page-contact .next-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .next-link::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--cyan);
  transition: transform 0.2s var(--ease);
}

.page-contact .next-link:hover {
  border-color: var(--cyan);
  background: var(--ink-800);
  color: var(--cyan);
}

.page-contact .next-link:hover::after {
  transform: translateX(4px);
}

.page-contact .next-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .form-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr);
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-body {
    grid-template-columns: var(--contact-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .rhythm {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (hover: none) {
  .page-contact .dir-card__more {
    max-height: none;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .dir-card,
  .page-contact .copy-chip,
  .page-contact .next-link,
  .page-contact .next-link::after,
  .page-contact .field-box,
  .page-contact .dir-card__more {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .dir-card:hover {
    transform: none;
  }
}