.page-contact {
  --contact-gap: clamp(20px, 3vw, 40px);
  --contact-panel-pad: clamp(18px, 2.6vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding-block: calc(var(--header-h) + clamp(24px, 5vw, 56px)) clamp(40px, 6vw, 88px);
}

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

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--ink) 8%, rgba(7, 18, 15, 0.68) 52%, rgba(7, 18, 15, 0.28) 100%),
    linear-gradient(180deg, transparent 40%, var(--ink) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-size: var(--fs-3xl);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 32px);
}

.page-contact .contact-hero__strip {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  color: var(--mute);
}

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

.page-contact .contact-hero__strip li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--lime);
  flex: none;
}

/* ---------- 玻璃渠道卡 ---------- */
.page-contact .contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(12, 33, 27, 0.86), rgba(4, 10, 8, 0.76));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding: clamp(18px, 3vw, 30px);
  box-shadow: 0 24px 60px rgba(4, 10, 8, 0.45);
}

.page-contact .contact-card__label {
  margin: 0 0 16px;
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-contact .contact-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-card__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(42, 87, 72, 0.6);
}

.page-contact .contact-card__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-card__list span {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mute);
}

.page-contact .contact-card__list b {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 三渠道说明 ---------- */
.page-contact .channels {
  display: grid;
  gap: var(--grid-gap);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .channel {
  background: var(--ink-2);
  border-top: 2px solid var(--line);
  padding: var(--contact-panel-pad);
}

.page-contact .channel:nth-child(1) { border-top-color: var(--lime); }
.page-contact .channel:nth-child(2) { border-top-color: var(--cyan); }
.page-contact .channel:nth-child(3) { border-top-color: var(--orange); }

.page-contact .channel__top {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
}

.page-contact .channel__idx {
  font-size: var(--fs-xs);
  color: var(--mute);
}

.page-contact .channel__name {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .channel__rows {
  margin: 16px 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .channel__row {
  display: grid;
  grid-template-columns: 3.6em minmax(0, 1fr);
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(42, 87, 72, 0.55);
}

.page-contact .channel__row dt {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-contact .channel__row dd {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 回复时段 ---------- */
.page-contact .contact-hours__grid {
  display: grid;
  gap: clamp(20px, 4vw, 48px);
}

.page-contact .contact-hours__body p {
  color: var(--paper);
}

.page-contact .hours-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 32px);
}

.page-contact .hours-cell {
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-contact .hours-cell b {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--lime);
  margin-bottom: 4px;
}

.page-contact .hours-cell span {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--mute);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(24px, 4vw, 40px);
}

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

.page-contact .prep-list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .prep-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-list input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 4px 0 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--ink);
  position: relative;
  cursor: pointer;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .prep-list input[type="checkbox"]:checked {
  border-color: var(--lime);
  background: rgba(200, 255, 77, 0.14);
}

.page-contact .prep-list input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 13px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .prep-list input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .prep-list label {
  cursor: pointer;
  font-size: var(--fs-sm);
  line-height: 1.75;
}

.page-contact .prep-list label strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .prep-list label span {
  color: var(--mute);
}

.page-contact .prep-side {
  background: var(--layer);
  border-left: 2px solid var(--cyan);
  padding: var(--contact-panel-pad);
  align-self: start;
}

.page-contact .prep-side h3 {
  margin: 0 0 14px;
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .prep-side ul {
  margin: 0 0 16px;
  padding-left: 1.1em;
  display: grid;
  gap: 8px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .prep-side__links {
  margin: 0;
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .prep-side__links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .prep-side__links a:hover {
  color: var(--lime);
}

/* ---------- 商务与媒体 ---------- */
.page-contact .contact-biz {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-biz::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(104deg, transparent 61%, rgba(200, 255, 77, 0.06) 61.2%, transparent 61.8%);
}

.page-contact .biz-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .biz-media {
  margin: 0;
}

.page-contact .biz-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .biz-media .media__caption {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-contact .biz-body > .prose {
  margin-top: 16px;
}

.page-contact .biz-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .biz-list li {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .biz-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .biz-list__num {
  font-size: var(--fs-xs);
  padding-top: 4px;
  color: var(--lime);
}

.page-contact .biz-list h3 {
  margin: 0 0 6px;
  font-size: var(--fs-base);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

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

.page-contact .biz-list p a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .biz-list p a:hover {
  color: var(--lime);
}

/* ---------- 通信地址 ---------- */
.page-contact .address-grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .address-box {
  background: var(--ink-2);
  border-left: 2px solid var(--orange);
  padding: var(--contact-panel-pad);
}

.page-contact .address-box .mono {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .address-box__value {
  margin: 0 0 14px;
  font-size: var(--fs-lg);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .address-box__hint {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 页尾信息带 ---------- */
.page-contact .contact-band {
  margin-top: clamp(32px, 5vw, 64px);
  background: var(--night);
  border-top: 1px solid var(--line);
  padding-block: 20px;
}

.page-contact .contact-band__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  color: var(--mute);
}

.page-contact .contact-band__inner b {
  font-weight: 500;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-contact .contact-card {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--ink-2);
    box-shadow: none;
  }
}

@media (min-width: 600px) {
  .page-contact .hours-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4.6fr);
    align-items: end;
  }

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

  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 4.4fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .biz-grid {
    grid-template-columns: minmax(0, 4.2fr) minmax(0, 7fr);
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}
<<<END>>>