.page-contact {
  --pc-rule: 2px solid var(--deep-line);
  --pc-gap: clamp(18px, 3.5vw, 36px);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .contact-title {
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.14;
  margin: 12px 0 16px;
  max-width: 15em;
}

.page-contact .contact-lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.86;
  max-width: 44em;
  margin: 0;
}

.page-contact .contact-link {
  color: var(--teal-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 211, 216, 0.5);
  padding-bottom: 1px;
  transition: color 160ms ease-out, border-color 160ms ease-out;
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  color: var(--sand);
  border-color: var(--sand);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 22px 0 54px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(30, 127, 140, 0.34), transparent 62%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 82%);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  bottom: -1px;
  height: 62px;
  background: linear-gradient(90deg, rgba(232, 185, 106, 0.16), rgba(255, 90, 54, 0.14) 52%, rgba(30, 127, 140, 0.1));
  transform: skewY(-3deg);
  transform-origin: left bottom;
  pointer-events: none;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 20px;
}

.page-contact .contact-quick {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.page-contact .contact-quick__item {
  background: var(--deep);
  border: var(--pc-rule);
  border-radius: var(--radius);
  box-shadow: var(--hard-shadow);
  padding: 16px 18px;
  min-width: 0;
}

.page-contact .contact-quick__item--sand {
  background: var(--sand-pale);
  border-color: var(--ink-800);
  color: var(--ink-900);
}

.page-contact .contact-quick__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-contact .contact-quick__item--sand .contact-quick__label {
  color: var(--signal-deep);
}

.page-contact .contact-quick__value {
  margin: 0 0 6px;
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  word-break: break-word;
  letter-spacing: -0.01em;
}

.page-contact .contact-quick__value--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact .contact-quick__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-quick__item--sand .contact-quick__hint {
  color: #4a5a63;
}

/* ---------- 图 ---------- */
.page-contact .contact-figure {
  margin: 0;
  border: var(--pc-rule);
  border-radius: var(--radius);
  box-shadow: var(--hard-shadow);
  background:
    repeating-linear-gradient(135deg, rgba(30, 127, 140, 0.22) 0 8px, rgba(6, 24, 38, 0.55) 8px 16px);
  overflow: hidden;
}

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

.page-contact .contact-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  background: var(--ink-950);
  border-top: 2px solid var(--deep-line);
}

.page-contact .contact-figure--tall img {
  aspect-ratio: 4 / 5;
}

.page-contact .contact-figure--wide img {
  aspect-ratio: 3 / 2;
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  padding: 54px 0;
  border-top: 2px solid var(--deep-line);
}

.page-contact .contact-section__head {
  max-width: 46em;
  margin-bottom: 30px;
}

.page-contact .contact-h2 {
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 10px 0 12px;
}

.page-contact .contact-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 01 渠道 ---------- */
.page-contact .contact-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  min-width: 0;
}

.page-contact .contact-channel {
  border: var(--pc-rule);
  border-radius: var(--radius);
  box-shadow: var(--hard-shadow);
  background: var(--deep);
  padding: 20px;
  min-width: 0;
}

.page-contact .contact-channel--sand {
  background: var(--sand-pale);
  border-color: var(--ink-800);
  color: var(--ink-900);
}

.page-contact .contact-channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-contact .contact-channel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .contact-channel__mail,
.page-contact .contact-channel__value {
  margin: 0 0 14px;
  font-size: clamp(15px, 2.1vw, 20px);
  font-weight: 700;
  word-break: break-word;
  padding-bottom: 12px;
  border-bottom: 2px dashed rgba(169, 188, 198, 0.4);
}

.page-contact .contact-channel--sand .contact-channel__mail {
  color: var(--signal-deep);
  border-bottom-color: rgba(11, 44, 66, 0.28);
}

.page-contact .contact-channel__value--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--sand);
}

.page-contact .contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .contact-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .contact-channel--sand .contact-list li {
  color: #26343c;
}

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  background: var(--teal-bright);
}

.page-contact .contact-channel--sand .contact-list li::before {
  background: var(--signal);
}

.page-contact .contact-hours {
  border: var(--pc-rule);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--ink-800), var(--deep));
  padding: 20px;
  min-width: 0;
}

.page-contact .contact-hours__title {
  margin: 8px 0 16px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

.page-contact .contact-hours__digits {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--sand);
  font-size: clamp(26px, 5.4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-wrap: wrap;
}

.page-contact .contact-hours__dash {
  color: var(--signal);
}

.page-contact .contact-hours__zone {
  margin: 6px 0 18px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-hours__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 2px solid var(--deep-line);
  padding-top: 14px;
}

.page-contact .contact-hours__list li {
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 02 准备清单 ---------- */
.page-contact .contact-prepare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .prepare-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: prep;
  border-top: 2px solid var(--deep-line);
}

.page-contact .prepare-list__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 2px solid var(--deep-line);
}

.page-contact .prepare-list__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--sand);
  padding-top: 4px;
  letter-spacing: 0.06em;
}

.page-contact .prepare-list__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .prepare-list__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-prepare__aside {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-tip {
  border: var(--pc-rule);
  border-left: 6px solid var(--signal);
  border-radius: var(--radius);
  background: var(--ink-800);
  padding: 18px 18px 20px;
}

.page-contact .contact-tip__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .contact-tip__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .contact-tip__btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 03 合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .partner-card {
  border: var(--pc-rule);
  border-radius: var(--radius);
  background: var(--deep);
  box-shadow: var(--hard-shadow);
  padding: 20px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .partner-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  flex: 1 1 auto;
}

/* ---------- 04 流程 ---------- */
.page-contact .contact-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-contact .contact-flow__item {
  position: relative;
  padding-top: 22px;
  border-top: 2px solid var(--deep-line);
  min-width: 0;
}

.page-contact .contact-flow__item::before {
  content: "";
  position: absolute;
  top: -9px;
  left: 0;
  width: 14px;
  height: 14px;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 90, 54, 0.18);
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
}

.page-contact .contact-flow__item:hover::before {
  transform: translateY(-2px) scale(1.1);
  box-shadow: 0 0 0 7px rgba(255, 90, 54, 0.16);
}

.page-contact .contact-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sand);
  margin-bottom: 8px;
}

.page-contact .contact-flow__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
}

.page-contact .contact-flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-flow__note {
  margin: 26px 0 0;
  padding: 14px 16px;
  border: 2px dashed rgba(232, 185, 106, 0.45);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.8;
  color: var(--sand);
}

/* ---------- 05 地址与备案 ---------- */
.page-contact .contact-section--meta {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-950));
}

.page-contact .contact-meta {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 2px solid var(--deep-line);
}

.page-contact .contact-meta__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 2px solid var(--deep-line);
}

.page-contact .contact-meta__key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-contact .contact-meta__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
  color: var(--paper);
}

.page-contact .contact-meta__value--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--teal-bright);
}

.page-contact .contact-meta__note {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62em;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-meta__row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 28px 0 74px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.78fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-section {
    padding: 82px 0;
  }

  .page-contact .contact-section__head {
    margin-bottom: 38px;
  }

  .page-contact .contact-cols {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-contact .contact-hours {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-cards {
    gap: 22px;
  }

  .page-contact .contact-prepare {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-channel {
    padding: 24px;
  }

  .page-contact .contact-hours {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-flow__item::before,
  .page-contact .contact-link {
    transition: none;
  }

  .page-contact .contact-flow__item:hover::before {
    transform: none;
  }
}