.page-contact {
  --pc-hair: rgba(14, 107, 168, 0.22);
  --pc-hair-soft: rgba(90, 107, 123, 0.18);
  --pc-card: #ffffff;
  --pc-radius: 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 40px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(32px, 4vw, 64px);
}

.page-contact .contact-hero__title {
  font-size: var(--fs-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.06;
  color: var(--ink);
  margin: 10px 0 18px;
}

.page-contact .contact-hero__lead > .lead {
  max-width: 52ch;
}

.page-contact .contact-hero__fast {
  display: grid;
  gap: 16px;
  margin: clamp(26px, 3vw, 40px) 0 clamp(26px, 3vw, 38px);
  padding-top: 20px;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .fast-item dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--ridge);
  margin-bottom: 6px;
}

.page-contact .fast-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--lake);
  word-break: break-all;
}

.page-contact .contact-hero__media {
  margin: 0;
}

/* ---------- 准备清单 ---------- */
.page-contact .prep {
  background: linear-gradient(160deg, rgba(215, 227, 236, 0.55), rgba(247, 250, 252, 0.9));
  border: 1px solid var(--pc-hair);
  border-radius: var(--pc-radius);
  padding: clamp(22px, 2.4vw, 34px);
}

.page-contact .prep__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-contact .prep__intro {
  font-size: var(--fs-sm);
  color: var(--ridge);
  margin: 0 0 18px;
}

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

.page-contact .prep__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-contact .prep__label:hover {
  background: rgba(23, 195, 178, 0.08);
  transform: translateX(2px);
}

.page-contact .prep__check {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1.5px solid var(--lake-2);
  border-radius: 5px;
  background: var(--snow);
  position: relative;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-contact .prep__check:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
}

.page-contact .prep__check:checked {
  background: var(--sun);
  border-color: var(--sun);
}

.page-contact .prep__check:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--deep);
  border-bottom: 2px solid var(--deep);
  transform: rotate(38deg);
}

.page-contact .prep__text {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .prep__hint {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-hair-soft);
  font-size: var(--fs-sm);
  color: var(--ridge);
}

.page-contact .prep__hint-done {
  display: none;
  color: var(--lake);
}

.page-contact .prep__list:has(.prep__check:checked) ~ .prep__hint .prep__hint-idle {
  display: none;
}

.page-contact .prep__list:has(.prep__check:checked) ~ .prep__hint .prep__hint-done {
  display: inline;
}

.page-contact .prep__media {
  margin: 22px 0 0;
}

/* ---------- 三条渠道 ---------- */
.page-contact .channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .channel {
  position: relative;
  background: var(--pc-card);
  border: 1px solid var(--pc-hair-soft);
  border-radius: var(--pc-radius);
  padding: clamp(22px, 2.4vw, 32px);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-4px);
  border-color: var(--lake);
  box-shadow: 0 18px 40px -28px rgba(8, 25, 43, 0.55);
}

.page-contact .channel__no {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--sun);
  margin-bottom: 14px;
}

.page-contact .channel__name {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-contact .channel__value {
  display: block;
  font-size: var(--fs-sm);
  color: var(--lake);
  word-break: break-all;
  margin: 0 0 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .channel__fit {
  font-size: var(--fs-body);
  color: var(--ink);
  margin: 0 0 10px;
}

.page-contact .channel__pace {
  font-size: var(--fs-sm);
  color: var(--ridge);
  margin: 0;
}

/* ---------- 服务时段 ---------- */
.page-contact .hourline {
  margin: clamp(26px, 3vw, 40px) 0 clamp(28px, 3.4vw, 44px);
  padding: clamp(20px, 2.4vw, 30px) clamp(18px, 2.4vw, 32px);
  background: var(--snow);
  border: 1px solid var(--pc-hair);
  border-radius: var(--pc-radius);
}

.page-contact .hourline__rail {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: var(--mist);
  overflow: hidden;
}

.page-contact .hourline__zone {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--lake), var(--aqua));
  transition: filter var(--t-base) var(--ease);
}

.page-contact .hourline:hover .hourline__zone,
.page-contact .hourline:focus-visible .hourline__zone {
  filter: brightness(1.12);
}

.page-contact .hourline:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 3px;
}

.page-contact .hourline__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: var(--fs-xs);
  color: var(--ridge);
}

.page-contact .hourline__tip {
  margin: 18px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ink);
  max-width: 60ch;
}

.page-contact .pacing {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-hair-soft);
}

.page-contact .pacing__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .pacing__key {
  font-size: var(--fs-sm);
  color: var(--lake);
}

.page-contact .pacing__val {
  font-size: var(--fs-body);
  color: var(--ink);
}

/* ---------- 常见咨询类型 ---------- */
.page-contact .asktype {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .asktype__row {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 2.4vw, 30px) 0;
  border-bottom: 1px solid var(--pc-hair-soft);
  transition: background var(--t-fast) var(--ease);
}

.page-contact .asktype__row:hover {
  background: rgba(215, 227, 236, 0.28);
}

.page-contact .asktype__name {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-contact .asktype__main p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--ride, var(--ridge));
  max-width: 62ch;
}

.page-contact .asktype__main a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease);
}

.page-contact .asktype__main a:hover {
  color: var(--aqua);
}

.page-contact .asktype__chan {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: flex-start;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .step {
  position: relative;
  background: var(--snow);
  border: 1px solid var(--pc-hair-soft);
  border-radius: 14px;
  padding: 24px 22px 26px;
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-contact .step:hover {
  transform: translateY(-4px);
  border-color: var(--lake-2);
}

.page-contact .step__no {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--flag);
  margin-bottom: 12px;
}

.page-contact .step__name {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-contact .step p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ridge);
}

.page-contact .coop-note {
  margin: clamp(22px, 2.6vw, 32px) 0 0;
  font-size: var(--fs-sm);
  color: var(--ridge);
}

.page-contact .coop-note a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .coop-note a:hover {
  color: var(--aqua);
}

/* ---------- 来信与寄送 ---------- */
.page-contact .letter {
  overflow: hidden;
}

.page-contact .letter__grid {
  display: grid;
  gap: clamp(30px, 4vw, 60px);
  align-items: center;
}

.page-contact .letter__text {
  font-size: var(--fs-body);
  line-height: 1.9;
  color: rgba(247, 250, 252, 0.86);
  max-width: 58ch;
  margin: 0 0 clamp(22px, 2.6vw, 32px);
}

.page-contact .letter__addr {
  display: grid;
  gap: 18px;
  margin: 0;
}

.page-contact .letter__addr dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--lake-2);
  margin-bottom: 6px;
}

.page-contact .letter__addr dd {
  margin: 0;
  font-size: var(--fs-body);
  color: var(--snow);
  word-break: break-all;
}

.page-contact .letter__map {
  margin: 0;
}

.page-contact .route-sketch {
  width: 100%;
  height: auto;
  display: block;
}

.page-contact .route-sketch__lines {
  fill: none;
  stroke: var(--lake-2);
  stroke-width: 1.2;
  stroke-linecap: round;
  opacity: 0.75;
}

.page-contact .route-sketch__ring {
  fill: none;
  stroke: var(--sun);
  stroke-width: 1.4;
  opacity: 0.5;
}

.page-contact .route-sketch__pin {
  fill: var(--sun);
}

.page-contact .letter__map figcaption {
  margin-top: 14px;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.62);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__fast {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pacing__row {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }

  .page-contact .letter__addr {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .channel:nth-child(2) {
    transform: translateY(26px);
  }

  .page-contact .channel:nth-child(3) {
    transform: translateY(52px);
  }

  .page-contact .channel:nth-child(2):hover {
    transform: translateY(22px);
  }

  .page-contact .channel:nth-child(3):hover {
    transform: translateY(48px);
  }

  .page-contact .channels {
    margin-bottom: 56px;
  }

  .page-contact .asktype__row {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 32px;
    align-items: start;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .letter__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (max-width: 400px) {
  .page-contact .hourline__ticks {
    font-size: 11px;
  }

  .page-contact .channel,
  .page-contact .prep,
  .page-contact .step {
    padding: 20px 16px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .step,
  .page-contact .prep__label,
  .page-contact .hourline__zone {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .channel:focus-within,
  .page-contact .step:hover,
  .page-contact .prep__label:hover {
    transform: none;
  }
}

.page-contact {
  --ride: currentColor;
}