.page-contact {
  background: var(--night);
  color: var(--cold);
}

/* ---------- 顶部 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--turf-deep);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  filter: saturate(.62) contrast(1.15);
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 26, 18, .58) 0%, rgba(10, 26, 18, .93) 70%, var(--night) 100%),
    repeating-linear-gradient(128deg, rgba(47, 227, 198, .055) 0 2px, transparent 2px 16px);
}

.page-contact .contact-hero__inner {
  padding-top: 40px;
  padding-bottom: 76px;
}

.page-contact .contact-hero__eyebrow {
  margin: 26px 0 14px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--glow);
}

.page-contact .contact-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -.022em;
  font-weight: 800;
  color: #fff;
  max-width: 17em;
}

.page-contact .contact-hero__lead {
  margin: 0 0 30px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(195, 207, 201, .88);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-contact .contact-hero__hint {
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--note);
}

/* ---------- 来意分流 ---------- */
.page-contact .contact-intent {
  position: relative;
  background: var(--night);
  padding: 70px 0 140px;
}

.page-contact .contact-intent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 76px;
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-contact .contact-intent__title {
  color: #fff;
}

.page-contact .contact-intent .section-head__index {
  color: var(--glow);
}

.page-contact .contact-intent__sub {
  margin: -12px 0 30px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(195, 207, 201, .76);
}

.page-contact .intent-switch {
  position: relative;
  display: grid;
  gap: 18px;
}

.page-contact .intent-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .intent-tabs {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .intent-tab {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 2px solid rgba(166, 245, 228, .2);
  background: rgba(18, 53, 31, .42);
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background-color .16s ease, box-shadow .16s ease;
}

.page-contact .intent-tab:hover {
  border-color: rgba(47, 227, 198, .5);
  background: rgba(31, 92, 54, .42);
}

.page-contact .intent-tab__index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid rgba(166, 245, 228, .35);
  font-size: 15px;
  font-weight: 700;
  color: var(--glow-soft);
}

.page-contact .intent-tab__body {
  display: grid;
  gap: 5px;
}

.page-contact .intent-tab__title {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -.005em;
  color: #fff;
}

.page-contact .intent-tab__desc {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(195, 207, 201, .66);
}

.page-contact #route-fix:checked ~ .intent-tabs .intent-tab:nth-child(1),
.page-contact #route-partner:checked ~ .intent-tabs .intent-tab:nth-child(2),
.page-contact #route-custom:checked ~ .intent-tabs .intent-tab:nth-child(3) {
  border-color: var(--glow);
  background: rgba(47, 227, 198, .1);
  transform: translate(0, -2px);
  box-shadow: 4px 4px 0 rgba(47, 227, 198, .26);
}

.page-contact #route-fix:checked ~ .intent-tabs .intent-tab:nth-child(1) .intent-tab__index,
.page-contact #route-partner:checked ~ .intent-tabs .intent-tab:nth-child(2) .intent-tab__index,
.page-contact #route-custom:checked ~ .intent-tabs .intent-tab:nth-child(3) .intent-tab__index {
  border-color: var(--glow);
  background: var(--glow);
  color: var(--turf-deep);
}

.page-contact .intent-panels {
  border: 2px solid rgba(166, 245, 228, .2);
  background: rgba(10, 26, 18, .62);
  padding: 26px 20px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .45);
}

.page-contact .intent-panel {
  display: none;
}

.page-contact #route-fix:checked ~ .intent-panels .intent-panel--fix,
.page-contact #route-partner:checked ~ .intent-panels .intent-panel--partner,
.page-contact #route-custom:checked ~ .intent-panels .intent-panel--custom {
  display: block;
}

.page-contact .intent-panel__kicker {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--glow);
}

.page-contact .intent-panel h3 {
  margin: 0 0 20px;
  font-size: clamp(19px, 3.4vw, 24px);
  line-height: 1.34;
  letter-spacing: -.015em;
  color: #fff;
}

.page-contact .checklist {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(195, 207, 201, .88);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--glow);
  transform: rotate(45deg);
}

.page-contact .intent-panel__foot {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(166, 245, 228, .16);
  font-size: 13.5px;
  line-height: 1.76;
  color: rgba(195, 207, 201, .7);
}

.page-contact .intent-panel__foot a {
  color: var(--glow);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 198, .45);
  padding-bottom: 1px;
  transition: background-color .16s ease, border-color .16s ease;
}

.page-contact .intent-panel__foot a:hover {
  background: rgba(47, 227, 198, .12);
  border-bottom-color: var(--glow);
}

/* ---------- 浅色区 ---------- */
.page-contact .contact-light {
  position: relative;
  background: var(--paper);
  color: var(--turf-deep);
  padding: 96px 0 76px;
}

.page-contact .contact-light::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 66px;
  background: var(--night);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  pointer-events: none;
}

.page-contact .contact-light .section-head__index {
  color: var(--turf-mid);
}

.page-contact .contact-light .section-head__title {
  color: var(--turf-deep);
}

.page-contact .channels {
  display: grid;
  margin-top: 6px;
  border-top: 2px solid var(--turf-deep);
}

.page-contact .channel {
  display: grid;
  gap: 7px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(18, 53, 31, .16);
}

.page-contact .channel__label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: rgba(18, 53, 31, .55);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.6vw, 28px);
  font-weight: 600;
  letter-spacing: -.012em;
  line-height: 1.25;
  color: var(--turf-deep);
  word-break: break-all;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(18, 53, 31, .6);
}

.page-contact .postal {
  display: grid;
  gap: 26px;
  margin-top: 52px;
  padding-top: 44px;
  border-top: 2px solid var(--turf-deep);
}

.page-contact .postal__title {
  margin: 0 0 16px;
  font-size: clamp(18px, 3vw, 22px);
  line-height: 1.36;
  letter-spacing: -.012em;
  color: var(--turf-deep);
}

.page-contact .postal__addr {
  margin: 0 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--glow);
  font-size: 16.5px;
  line-height: 1.75;
  font-weight: 600;
  color: var(--turf-deep);
}

.page-contact .postal__note {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(18, 53, 31, .68);
}

.page-contact .postal__figure {
  margin: 0;
  border: 2px solid var(--turf-deep);
  box-shadow: 8px 8px 0 rgba(18, 53, 31, .13);
  overflow: hidden;
  background: var(--turf-deep);
}

.page-contact .postal__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 表单区 ---------- */
.page-contact .contact-form {
  background: var(--paper);
  color: var(--turf-deep);
  padding: 0 0 104px;
}

.page-contact .contact-form__head {
  padding-top: 44px;
  border-top: 2px solid var(--turf-deep);
  margin-bottom: 28px;
}

.page-contact .contact-form__head .section-head__index {
  color: var(--turf-mid);
}

.page-contact .contact-form__head .section-head__title {
  color: var(--turf-deep);
}

.page-contact .contact-form__sub {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(18, 53, 31, .66);
}

.page-contact .form-grid {
  display: grid;
  gap: 20px;
}

.page-contact .field {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .field__label {
  font-size: 13px;
  letter-spacing: .06em;
  font-weight: 700;
  color: rgba(18, 53, 31, .76);
}

.page-contact .field__input {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 13px 15px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--turf-deep);
  background: #fff;
  border: 2px solid rgba(18, 53, 31, .75);
  border-radius: 0;
  appearance: none;
  transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease;
}

.page-contact .field__input::placeholder {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .01em;
  color: rgba(18, 53, 31, .36);
}

.page-contact .field__input:focus {
  outline: none;
  border-color: var(--turf-deep);
  box-shadow: 4px 4px 0 rgba(47, 227, 198, .5);
}

.page-contact .field__input:not(:placeholder-shown):invalid {
  border-color: var(--referee);
  background: rgba(224, 59, 59, .05);
}

.page-contact .field__input:not(:placeholder-shown):invalid ~ .field__hint {
  color: var(--referee);
}

.page-contact .field__input--area {
  resize: vertical;
  min-height: 128px;
}

.page-contact .field__hint {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.66;
  letter-spacing: .01em;
  color: rgba(18, 53, 31, .52);
}

.page-contact .choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .choice {
  position: relative;
  display: block;
}

.page-contact .choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .choice span {
  display: block;
  padding: 10px 18px;
  border: 2px solid rgba(18, 53, 31, .38);
  font-size: 14px;
  font-weight: 600;
  color: rgba(18, 53, 31, .78);
  cursor: pointer;
  transition: border-color .16s ease, background-color .16s ease, color .16s ease;
}

.page-contact .choice:hover span {
  border-color: var(--turf-mid);
}

.page-contact .choice input:checked + span {
  border-color: var(--turf-deep);
  background: var(--turf-deep);
  color: var(--paper);
}

.page-contact .choice input:focus-visible + span {
  outline: 2px dashed var(--turf-mid);
  outline-offset: 3px;
}

.page-contact .fold {
  border: 2px solid rgba(18, 53, 31, .22);
  background: rgba(18, 53, 31, .028);
}

.page-contact .fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--turf-deep);
  cursor: pointer;
  list-style: none;
}

.page-contact .fold__sum::-webkit-details-marker {
  display: none;
}

.page-contact .fold__sum::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 2px solid var(--turf-mid);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--turf-mid);
}

.page-contact .fold[open] .fold__sum::after {
  content: "–";
}

.page-contact .fold__body {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(18, 53, 31, .72);
}

.page-contact .fold__body p {
  margin: 0;
}

.page-contact .form-tail {
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 2px solid var(--turf-deep);
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(18, 53, 31, .76);
}

.page-contact .form-tail .mono {
  font-family: var(--font-mono);
  font-size: .96em;
  font-weight: 600;
  color: var(--turf-deep);
  word-break: break-all;
}

.page-contact .form-tail a {
  color: var(--turf-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--glow);
  padding-bottom: 1px;
  transition: background-color .16s ease;
}

.page-contact .form-tail a:hover {
  background: rgba(47, 227, 198, .28);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 780px) {
  .page-contact .channels {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .channel {
    padding: 30px 0;
  }

  .page-contact .channel + .channel {
    padding-left: 40px;
    border-left: 1px solid rgba(18, 53, 31, .16);
  }

  .page-contact .form-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px 28px;
  }

  .page-contact .field--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .intent-switch {
    grid-template-columns: 300px 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact #route-fix:checked ~ .intent-tabs .intent-tab:nth-child(1),
  .page-contact #route-partner:checked ~ .intent-tabs .intent-tab:nth-child(2),
  .page-contact #route-custom:checked ~ .intent-tabs .intent-tab:nth-child(3) {
    transform: translate(-5px, -2px);
    box-shadow: 5px 5px 0 rgba(47, 227, 198, .28);
  }

  .page-contact .intent-panels {
    padding: 32px 30px;
    min-height: 340px;
  }

  .page-contact .postal {
    grid-template-columns: 1fr .82fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .contact-hero__inner {
    padding-top: 56px;
    padding-bottom: 96px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__inner {
    padding-top: 68px;
    padding-bottom: 112px;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-hero__inner {
    padding-bottom: 60px;
  }

  .page-contact .contact-intent {
    padding: 54px 0 112px;
  }

  .page-contact .contact-intent::after {
    height: 46px;
  }

  .page-contact .contact-light {
    padding: 78px 0 60px;
  }

  .page-contact .contact-light::before {
    height: 44px;
  }

  .page-contact .contact-form {
    padding-bottom: 76px;
  }

  .page-contact .intent-panels {
    padding: 22px 16px;
  }

  .page-contact .intent-tab {
    grid-template-columns: 32px 1fr;
    gap: 12px;
    padding: 14px 14px;
  }

  .page-contact .intent-tab__index {
    width: 30px;
    height: 30px;
    font-size: 13.5px;
  }

  .page-contact .choice span {
    padding: 9px 14px;
    font-size: 13.5px;
  }
}