.page-contact {
  --c-gap: clamp(24px, 4vw, 56px);
  background: var(--ink);
  color: var(--cream);
  padding-top: clamp(20px, 3vw, 36px);
  overflow-x: hidden;
}

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

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

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

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--lime);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--lime);
}

/* ---------- 通用章节文字 ---------- */

.page-contact .c-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--cream);
  max-width: 660px;
}

.page-contact .c-body {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 640px;
}

.page-contact .c-body a {
  color: var(--lime-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.18s var(--ease);
}

.page-contact .c-body a:hover,
.page-contact .c-body a:focus-visible {
  color: var(--lime);
}

.page-contact .c-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 14px 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .c-desc {
  margin: 0;
  max-width: 340px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  margin-top: clamp(28px, 5vw, 56px);
}

.page-contact .contact-hero__lead {
  max-width: 800px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 62px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 14px 0 0;
  color: var(--cream);
}

.page-contact .contact-hero__desc {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 640px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 三条通道 ---------- */

.page-contact .channels {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3vw, 28px) 0;
  border-top: 1px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-contact .channel:hover {
  border-top-color: var(--lime);
}

.page-contact .channel__main {
  min-width: 0;
}

.page-contact .channel__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.page-contact .channel__value {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(19px, 4.6vw, 40px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--cream);
  text-decoration: none;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--lime);
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .channel__value:hover,
.page-contact .channel__value:focus-visible {
  color: var(--lime);
}

.page-contact .channel__value--text {
  font-family: var(--font-body);
  font-size: clamp(16px, 3.2vw, 27px);
  letter-spacing: 0;
}

.page-contact .channel__side {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 来信准备清单 ---------- */

.page-contact .contact-prep {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .prep-grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .prep-hint {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
  font-size: 13px;
  line-height: 1.7;
  color: var(--lime-soft);
  max-width: 520px;
}

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

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

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

.page-contact .prep-item:hover {
  border-bottom-color: var(--lime);
}

.page-contact .prep-check {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .prep-check:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .prep-check:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
}

.page-contact .prep-check:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
  padding-top: 3px;
}

.page-contact .prep-content {
  display: block;
  min-width: 0;
}

.page-contact .prep-title {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
  margin-bottom: 5px;
  transition: color 0.18s var(--ease);
}

.page-contact .prep-text {
  display: block;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .prep-check:checked ~ .prep-content .prep-title {
  color: var(--lime-soft);
}

/* ---------- 响应时效 ---------- */

.page-contact .contact-response {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .contact-response__grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .resp-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-contact .resp-steps li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--panel);
}

.page-contact .resp-steps b {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.8vw, 23px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-contact .resp-steps span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .contact-shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--panel-2);
}

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

.page-contact .contact-shot figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 合作与内容 ---------- */

.page-contact .contact-partner {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .partner-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 32px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--panel);
  border-top: 2px solid transparent;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .partner-card:hover {
  background: var(--panel-2);
  border-top-color: var(--lime);
}

.page-contact .partner-card__tag {
  align-self: flex-start;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--cream);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .partner-card__meta {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--lime-soft);
}

.page-contact .partner-foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* ---------- 服务时间 ---------- */

.page-contact .contact-hours {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .hours-panel {
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(24px, 4vw, 44px);
  padding-left: clamp(28px, 4vw, 48px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-contact .hours-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--lime) 0%, rgba(198, 255, 61, 0.15) 70%, transparent 100%);
}

.page-contact .hours-list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.page-contact .hours-list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 12px 14px;
  background: var(--panel-2);
}

.page-contact .hours-list dt {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-contact .hours-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
  text-align: right;
}

/* ---------- 底部夜景区块 ---------- */

.page-contact .contact-callout {
  position: relative;
  margin-top: clamp(56px, 8vw, 104px);
  padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 7vw, 88px);
  isolation: isolate;
}

.page-contact .contact-callout__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-contact .contact-callout__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.65) brightness(0.7);
}

.page-contact .contact-callout__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(10, 13, 11, 0.3) 34%, rgba(10, 13, 11, 0.88) 100%);
}

.page-contact .contact-callout__inner {
  position: relative;
}

.page-contact .contact-callout h2 {
  margin: 0 0 14px;
  max-width: 620px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--cream);
}

.page-contact .contact-callout p {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 560px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-callout__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 560px) {
  .page-contact .resp-steps li {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 18px;
  }
}

@media (min-width: 780px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .channel {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    align-items: end;
    column-gap: clamp(24px, 4vw, 64px);
  }

  .page-contact .channel__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    column-gap: clamp(36px, 6vw, 88px);
    align-items: start;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    column-gap: clamp(36px, 6vw, 80px);
    align-items: center;
  }

  .page-contact .hours-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    column-gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel__value,
  .page-contact .prep-item,
  .page-contact .prep-title,
  .page-contact .prep-check,
  .page-contact .partner-card,
  .page-contact .breadcrumb a,
  .page-contact .c-body a {
    transition: none;
  }
}
<<<END>>>