.page-contact {
  --pc-gap: clamp(20px, 3vw, 40px);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 4.5vw, 52px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line-soft);
  background-image:
    radial-gradient(circle at 88% 12%, rgba(79, 227, 193, 0.10), transparent 55%),
    linear-gradient(rgba(79, 227, 193, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 227, 193, 0.045) 1px, transparent 1px);
  background-size: 100% 100%, 52px 52px, 52px 52px;
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: center;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  max-width: 34em;
}

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

.page-contact .contact-hero__chips li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--line-cyan);
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt-dim);
}

.page-contact .contact-hero__media {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--night);
}

.page-contact .contact-hero__media img,
.page-contact .contact-mail__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- Sections ---------- */
.page-contact .section {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-contact .contact-channels {
  padding-bottom: clamp(24px, 3vw, 40px);
}

/* ---------- 01 联系卡 ---------- */
.page-contact .contact-card {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: clamp(20px, 3vw, 32px);
  color: var(--brown);
  transition: transform 220ms ease-out, box-shadow 220ms ease-out;
}

.page-contact .contact-card:hover {
  transform: translateY(-2px);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(36, 28, 22, 0.22);
}

.page-contact .contact-card__row:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-card__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(36, 28, 22, 0.6);
}

.page-contact .contact-card__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--brown);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__hint {
  margin: 0;
  padding-top: 4px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(36, 28, 22, 0.7);
}

.page-contact .contact-channel__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .contact-channel__side > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-body);
}

.page-contact .contact-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-facts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 16px;
  background: var(--ink-2);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--txt-body);
}

.page-contact .contact-facts__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 2px;
}

/* ---------- 02 写邮件 ---------- */
.page-contact .contact-mail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-mail__body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-body);
}

.page-contact .contact-mail__list {
  list-style: none;
  counter-reset: mailstep;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-mail__list li {
  counter-increment: mailstep;
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--txt-body);
}

.page-contact .contact-mail__list li::before {
  content: counter(mailstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
}

.page-contact .contact-mail__media {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--night);
}

/* ---------- 03 值守时段 ---------- */
.page-contact .contact-hours {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .contact-hours__band {
  position: relative;
  height: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  background: var(--night);
  overflow: hidden;
}

.page-contact .contact-hours__fill {
  position: absolute;
  top: 1px;
  bottom: 1px;
  left: 1px;
  width: 74%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--cyan), rgba(79, 227, 193, 0.22));
}

.page-contact .contact-hours__axis {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-contact .contact-hours__notes {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .contact-hours__notes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-body);
}

/* ---------- 04 地址 ---------- */
.page-contact .contact-address {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: clamp(20px, 3vw, 32px);
  background: var(--paper);
  color: var(--brown);
  border: 1px solid rgba(36, 28, 22, 0.3);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-paper);
  transition: border-color 220ms ease-out, box-shadow 220ms ease-out, transform 220ms ease-out;
}

.page-contact .contact-address:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow-paper), 0 0 0 3px rgba(79, 227, 193, 0.22);
  transform: translateY(-2px);
}

.page-contact .contact-address__pin {
  width: 13px;
  height: 13px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 138, 61, 0.2);
  flex: none;
}

.page-contact .contact-address__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(36, 28, 22, 0.6);
}

.page-contact .contact-address__text {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.005em;
  color: var(--brown);
}

.page-contact .contact-address__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(36, 28, 22, 0.7);
}

/* ---------- 05 咨询分类 ---------- */
.page-contact .contact-topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .contact-topic {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  transition: border-color 220ms ease-out, transform 220ms ease-out;
}

.page-contact .contact-topic:hover {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

.page-contact .contact-topic__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-topic__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: rgba(79, 227, 193, 0.14);
  border: 1px solid var(--line-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  flex: none;
}

.page-contact .contact-topic__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .contact-topic__path {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--txt-dim);
}

/* ---------- 06 回访 ---------- */
.page-contact .contact-return {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .contact-return__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(28px, 4vw, 52px);
  }
}

@media (max-width: 520px) {
  .page-contact .contact-hero__chips li {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

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

  .page-contact .contact-address__pin {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card:hover,
  .page-contact .contact-topic:hover,
  .page-contact .contact-address:hover {
    transform: none;
  }
}