.page-contact {
  --pc-card-pad: clamp(22px, 3vw, 38px);
  --pc-body-dim: rgba(242, 237, 226, 0.78);
  --pc-body-faint: rgba(242, 237, 226, 0.62);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(44px, 6vw, 84px);
  background:
    radial-gradient(120% 82% at 76% -12%, rgba(201, 162, 39, 0.16), transparent 62%),
    radial-gradient(90% 70% at 8% 0%, rgba(124, 224, 74, 0.06), transparent 56%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(112deg, rgba(242, 237, 226, 0.05) 0 1px, transparent 1px 92px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  pointer-events: none;
}

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

.page-contact .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 36px);
  align-items: end;
}

.page-contact .hero-copy {
  min-width: 0;
}

.page-contact .hero-mark {
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-contact .contact-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--c-cream);
}

.page-contact .hero-lede {
  margin: 0 0 30px;
  max-width: 34em;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.78;
  color: var(--pc-body-dim);
}

.page-contact .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 16px 20px;
}

.page-contact .hero-facts li {
  padding-top: 14px;
  border-top: 1px solid var(--glass-line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 6px;
}

.page-contact .hero-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.3vw, 25px);
  letter-spacing: 0.02em;
  color: var(--c-cream);
}

.page-contact .hero-facts__unit {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-gold);
}

.page-contact .hero-facts__txt {
  flex: 0 0 100%;
  margin-top: 4px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--pc-body-faint);
}

.page-contact .hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.82) brightness(0.72);
}

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 17, 15, 0.12) 28%, rgba(7, 17, 15, 0.88) 100%),
    linear-gradient(90deg, rgba(14, 42, 34, 0.5), transparent 62%);
  pointer-events: none;
}

.page-contact .hero-media__cap {
  position: absolute;
  left: 16px;
  bottom: 13px;
  z-index: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold-hi);
}

/* ---------- 双通道对照 ---------- */
.page-contact .split-section,
.page-contact .co-build,
.page-contact .ask,
.page-contact .channels,
.page-contact .visit {
  padding-block: clamp(40px, 6vw, 78px);
}

.page-contact .split-section {
  border-top: 1px solid var(--hairline-soft);
}

.page-contact .contact-split {
  position: relative;
  display: grid;
  gap: 20px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .split-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--pc-card-pad);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  min-width: 0;
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-contact .split-card--solid {
  background: var(--c-panel);
  border-color: rgba(201, 162, 39, 0.3);
}

.page-contact .split-card--glass {
  background: var(--glass);
  border-color: var(--glass-line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-contact .split-card__label {
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-contact .split-card__label::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--hairline);
}

.page-contact .split-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-contact .split-card__text {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--pc-body-dim);
}

.page-contact .split-card__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .split-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.62;
  color: var(--pc-body-dim);
}

.page-contact .split-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background: var(--c-gold);
}

.page-contact .split-card__note {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--c-gold);
}

.page-contact .split-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 内容共建 ---------- */
.page-contact .co-build {
  background: linear-gradient(180deg, transparent, rgba(36, 66, 47, 0.28) 40%, transparent);
}

.page-contact .build-list {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .build-item {
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--hairline);
  border-top: 2px solid var(--c-gold);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(36, 66, 47, 0.55), rgba(14, 42, 34, 0.92));
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-contact .build-item:hover,
.page-contact .build-item:focus-within {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 39, 0.55);
}

.page-contact .build-item__num {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

.page-contact .build-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 1.9vw, 21px);
  line-height: 1.4;
  color: var(--c-cream);
}

.page-contact .build-item__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-body-dim);
}

.page-contact .build-item__more {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-body-faint);
  border-top: 1px dashed transparent;
  transition: max-height 340ms var(--ease), opacity 300ms var(--ease), margin 340ms var(--ease), padding 340ms var(--ease);
}

.page-contact .build-item:hover .build-item__more,
.page-contact .build-item:focus-within .build-item__more {
  max-height: 320px;
  opacity: 1;
  margin-top: 14px;
  padding-top: 14px;
  border-top-color: var(--hairline);
}

.page-contact .build-call {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: rgba(242, 237, 226, 0.04);
}

.page-contact .build-call__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--c-cream);
}

.page-contact .build-call__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body-dim);
  overflow-wrap: anywhere;
}

.page-contact .build-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: buildstep;
  display: grid;
  gap: 12px;
}

.page-contact .build-steps li {
  counter-increment: buildstep;
  position: relative;
  padding-left: 38px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--pc-body-dim);
}

.page-contact .build-steps li::before {
  content: counter(buildstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-turf);
}

/* ---------- 提问清单 ---------- */
.page-contact .ask-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .ask-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
  min-width: 0;
}

.page-contact .ask-list li {
  border-bottom: 1px solid var(--hairline);
  position: relative;
}

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

.page-contact .ask-list label {
  display: grid;
  grid-template-columns: 20px 32px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 4px;
  cursor: pointer;
  transition: background 200ms var(--ease);
}

.page-contact .ask-list label:hover {
  background: rgba(242, 237, 226, 0.035);
}

.page-contact .ask-box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1.5px solid var(--c-gold);
  border-radius: 2px;
}

.page-contact .ask-box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--c-gold);
  transform: scale(0);
  transform-origin: center;
  transition: transform 180ms var(--ease);
}

.page-contact .ask-check:checked + label .ask-box::after {
  transform: scale(1);
}

.page-contact .ask-check:checked + label .ask-txt strong {
  color: var(--c-gold-hi);
}

.page-contact .ask-check:focus-visible + label {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-contact .ask-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  padding-top: 5px;
}

.page-contact .ask-txt {
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-body-dim);
}

.page-contact .ask-txt strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
  font-size: 16px;
  color: var(--c-cream);
  transition: color 180ms var(--ease);
}

.page-contact .ask-side {
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--c-turf);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-contact .ask-side__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--c-cream);
}

.page-contact .ask-side__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-body-dim);
}

.page-contact .ask-side__link {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.42);
  padding-bottom: 2px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .ask-side__link:hover,
.page-contact .ask-side__link:focus-visible {
  color: var(--c-gold-hi);
  border-bottom-color: var(--c-gold-hi);
}

/* ---------- 客服渠道 ---------- */
.page-contact .channels {
  border-top: 1px solid var(--hairline-soft);
}

.page-contact .channel-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 42px);
  align-items: start;
}

.page-contact .channel-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-contact .channel-media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.82);
}

.page-contact .channel-info {
  min-width: 0;
}

.page-contact .channel-list {
  margin: 0;
}

.page-contact .channel-list > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .channel-list > div:first-child {
  border-top: 1px solid var(--hairline);
}

.page-contact .channel-list dt {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-contact .channel-list dd {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--c-cream);
  overflow-wrap: anywhere;
}

.page-contact .channel-list dd small {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--pc-body-faint);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .visit-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .visit-copy {
  min-width: 0;
}

.page-contact .visit-copy .index-num {
  display: block;
  margin-bottom: 12px;
}

.page-contact .visit-copy__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 2.9vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-contact .visit-copy__sub {
  margin: 24px 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--c-gold);
}

.page-contact .visit-copy__text {
  margin: 0 0 16px;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pc-body-dim);
}

.page-contact .visit-copy .btn {
  margin-top: 8px;
}

.page-contact .visit-map {
  position: relative;
  padding: 16px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-contact .visit-map svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1px;
  background: radial-gradient(70% 90% at 46% 58%, rgba(201, 162, 39, 0.1), transparent 70%);
}

.page-contact .visit-map__cap {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--pc-body-faint);
}

/* ---------- 联系方式横条 ---------- */
.page-contact .contact-strip {
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 6vw, 72px);
  background:
    radial-gradient(90% 140% at 10% 0%, rgba(201, 162, 39, 0.15), transparent 60%),
    var(--c-panel);
  border-top: 1px solid var(--glass-line);
  border-bottom: 1px solid var(--hairline);
}

.page-contact .contact-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(112deg, rgba(242, 237, 226, 0.045) 0 1px, transparent 1px 84px);
  pointer-events: none;
}

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

.page-contact .contact-strip__title {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.1vw, 36px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-contact .strip-grid {
  display: grid;
  gap: 20px 28px;
}

.page-contact .strip-item {
  padding-top: 16px;
  border-top: 1px solid var(--glass-line);
  min-width: 0;
}

.page-contact .strip-item__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-contact .strip-item__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 16.5px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--c-cream);
  overflow-wrap: anywhere;
}

.page-contact .contact-strip__note {
  margin: clamp(24px, 3vw, 32px) 0 0;
  max-width: 52em;
  padding-left: 16px;
  border-left: 2px solid var(--c-gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-body-dim);
}

.page-contact .contact-tail {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: clamp(24px, 3vw, 32px);
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}

.page-contact .tail-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-gold);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.4);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .tail-link:hover,
.page-contact .tail-link:focus-visible {
  color: var(--c-gold-hi);
  border-bottom-color: var(--c-gold-hi);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 68px);
  }

  .page-contact .hero-media img {
    aspect-ratio: 4 / 5;
  }

  .page-contact .contact-split {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-contact .contact-split::after {
    content: "";
    position: absolute;
    top: -14px;
    bottom: -14px;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--c-gold) 22%, var(--c-gold) 78%, transparent);
    transform: translateX(-50%) rotate(-4deg);
    opacity: 0.8;
    pointer-events: none;
    z-index: 2;
  }

  .page-contact .split-card--solid {
    padding-right: clamp(38px, 5vw, 62px);
  }

  .page-contact .split-card--glass {
    padding-left: clamp(38px, 5vw, 62px);
  }

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

  .page-contact .build-call {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 52px);
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-contact .ask-body {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

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

@media (min-width: 1080px) {
  .page-contact .strip-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (hover: none) {
  .page-contact .build-item__more {
    max-height: 320px;
    opacity: 1;
    margin-top: 14px;
    padding-top: 14px;
    border-top-color: var(--hairline);
  }
}

@media (max-width: 520px) {
  .page-contact .channel-list > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-contact .channel-list dt {
    padding-top: 0;
  }

  .page-contact .ask-list label {
    grid-template-columns: 18px 26px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .contact-strip__note {
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .split-card,
  .page-contact .build-item,
  .page-contact .build-item__more,
  .page-contact .ask-box::after {
    transition: none;
  }

  .page-contact .split-card:hover,
  .page-contact .build-item:hover,
  .page-contact .build-item:focus-within {
    transform: none;
  }
}
<<<END>>>