.page-contact {
  --pc-rule: rgba(154, 168, 165, 0.3);
  --pc-rule-soft: rgba(154, 168, 165, 0.16);
  --pc-cyan-soft: rgba(0, 240, 200, 0.12);
  --pc-gap: clamp(16px, 3vw, 30px);
  background: var(--ink-900);
  color: var(--ice);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .mono {
  font-family: var(--font-data);
  font-variant-ligatures: none;
}

.page-contact .lead {
  max-width: 50ch;
  margin: 0;
  line-height: 1.8;
  color: rgba(221, 230, 239, 0.84);
  font-size: 0.98rem;
}

.page-contact .note {
  margin: 0;
  color: var(--mist);
  font-size: 0.82rem;
  line-height: 1.75;
}

.page-contact .kicker {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .index-num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .contact-crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-crumbs li + li::before {
  content: "/";
  color: var(--steel);
}

.page-contact .contact-crumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .contact-crumbs a:hover,
.page-contact .contact-crumbs a:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 clamp(52px, 8vw, 96px);
  border-bottom: 1px solid var(--pc-rule);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(115% 85% at 88% 0%, var(--pc-cyan-soft), rgba(0, 240, 200, 0) 58%),
    linear-gradient(rgba(221, 230, 239, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(221, 230, 239, 0.05) 1px, transparent 1px);
  background-size: auto, 100% 46px, 46px 100%;
  background-position: 0 0, 0 0, 0 0;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-hero__main {
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 8.2vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__mail {
  margin-top: clamp(24px, 4vw, 38px);
  padding: 18px 20px 20px;
  border-left: 4px solid var(--cyan);
  background: rgba(11, 42, 36, 0.75);
  box-shadow: var(--shadow-cyan);
}

.page-contact .contact-mail {
  display: inline-block;
  min-width: 0;
  font-family: var(--font-data);
  color: var(--cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-contact .contact-mail:hover,
.page-contact .contact-mail:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .contact-mail--xl {
  font-size: clamp(1.22rem, 6.2vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-contact .contact-mail--lg {
  font-size: clamp(1.1rem, 4.4vw, 1.9rem);
  line-height: 1.2;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__aside {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
  min-width: 0;
}

.page-contact .contact-hours {
  padding: 20px 20px 22px;
  border: 2px solid var(--pc-rule);
  border-top: 4px solid var(--orange);
  background: rgba(4, 21, 19, 0.88);
}

.page-contact .contact-hours__value {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: clamp(1.05rem, 3.6vw, 1.35rem);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--pc-rule);
  background: var(--ink-800);
  box-shadow: var(--shadow-brutal);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-section {
  padding: clamp(52px, 8vw, 100px) 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .contact-section--mail {
  background: var(--ink-800);
}

.page-contact .contact-section--cadence {
  background: var(--ink-800);
}

.page-contact .contact-head {
  display: grid;
  gap: 6px;
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 48px);
}

/* ---------- 邮件协助 ---------- */
.page-contact .contact-mail-panel {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 4vw, 46px);
  border: 3px solid var(--cyan);
  background: linear-gradient(150deg, rgba(0, 240, 200, 0.1), rgba(4, 21, 19, 0.94) 46%);
  box-shadow: var(--shadow-brutal);
}

.page-contact .contact-mail-panel__head {
  min-width: 0;
}

.page-contact .contact-mail-panel__body {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-points {
  display: grid;
  gap: 12px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-points li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 15px;
  border-left: 3px solid var(--cyan-dim);
  background: rgba(221, 230, 239, 0.06);
  font-size: 0.93rem;
  line-height: 1.75;
  color: rgba(221, 230, 239, 0.9);
}

.page-contact .contact-points .mono {
  padding-top: 3px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- 电话与地址 ---------- */
.page-contact .contact-channels {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-channel {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3.4vw, 34px);
  border: 2px solid var(--pc-rule);
  background: rgba(11, 42, 36, 0.7);
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-contact a.contact-channel:hover,
.page-contact a.contact-channel:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.page-contact .contact-channel__idx {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--steel);
}

.page-contact .contact-channel__label {
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-channel__value {
  font-family: var(--font-data);
  font-size: clamp(1.3rem, 5.4vw, 2.05rem);
  line-height: 1.2;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel--addr .contact-channel__value {
  font-family: var(--font-body);
  font-size: clamp(1.02rem, 3.4vw, 1.2rem);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.page-contact .contact-channel--addr {
  border-left: 4px solid var(--rust);
}

/* ---------- 来信三点 ---------- */
.page-contact .contact-details {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-details__intro {
  min-width: 0;
}

.page-contact .contact-details__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--pc-rule);
  background: var(--pc-rule-soft);
}

.page-contact .contact-details__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 18px;
  background: var(--ink-900);
}

.page-contact .contact-details__num {
  font-family: var(--font-data);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--orange);
}

.page-contact .contact-details__item h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-details__item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: rgba(221, 230, 239, 0.82);
}

/* ---------- 回应节奏 ---------- */
.page-contact .contact-steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-step {
  position: relative;
  padding: 22px 20px 22px 34px;
  border: 2px solid var(--pc-rule);
  background: rgba(4, 21, 19, 0.78);
}

.page-contact .contact-step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 24px;
  bottom: 24px;
  width: 3px;
  background: var(--cyan);
}

.page-contact .contact-step__time {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .contact-step h3 {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-step p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: rgba(221, 230, 239, 0.82);
}

/* ---------- 收尾导航 ---------- */
.page-contact .contact-next {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-next__body {
  min-width: 0;
}

.page-contact .contact-links {
  display: grid;
  gap: 10px;
  margin: 24px 0 18px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  border: 1px solid var(--pc-rule);
  color: var(--ice);
  text-decoration: none;
  font-size: 0.94rem;
  line-height: 1.5;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-contact .contact-links a::after {
  content: "→";
  flex: none;
  font-family: var(--font-data);
  color: var(--cyan);
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 240, 200, 0.08);
  color: var(--paper);
}

/* ---------- 栅格升级 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-details__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-details__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 24px 20px;
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-contact .contact-mail-panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-contact .contact-channels {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-contact .contact-details {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.25fr);
  }

  .page-contact .contact-next {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-contact .contact-hero__aside .contact-figure {
    margin-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-mail,
  .page-contact .contact-channel,
  .page-contact .contact-links a {
    transition: none;
  }

  .page-contact a.contact-channel:hover,
  .page-contact a.contact-channel:focus-visible {
    transform: none;
  }
}