.page-contact {
  --pc-line: rgba(124, 138, 163, 0.05);
  --pc-cyan-wash: rgba(47, 243, 224, 0.075);
  --pc-magenta-wash: rgba(255, 46, 136, 0.055);
  --pc-field-bg: #070C16;
  position: relative;
  padding-bottom: clamp(64px, 9vw, 118px);
  background-image:
    radial-gradient(900px 520px at 88% -4%, var(--pc-cyan-wash), transparent 68%),
    radial-gradient(700px 480px at 0% 18%, var(--pc-magenta-wash), transparent 70%),
    linear-gradient(var(--pc-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-line) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 58px 58px, 58px 58px;
  background-repeat: no-repeat, no-repeat, repeat, repeat;
}

/* ---------- 面包屑与首屏 ---------- */

.page-contact .breadcrumb {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .contact-hero {
  max-width: 820px;
  margin-top: clamp(30px, 4.5vw, 52px);
  padding-bottom: clamp(36px, 5vw, 64px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.005em;
  color: var(--frost);
  margin: 12px 0 0;
}

.page-contact .contact-hero .lede {
  margin-top: 20px;
  max-width: 660px;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--cool);
}

.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .hero-chips li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: var(--edge-w) solid var(--edge);
  background: rgba(11, 18, 32, 0.72);
  font-size: 13px;
  color: var(--cool);
  letter-spacing: 0.02em;
}

.page-contact .hero-chips .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  color: var(--cyan);
}

/* ---------- 通用章节头 ---------- */

.page-contact .section-head {
  max-width: 720px;
}

.page-contact .section-head .muted {
  margin-top: 12px;
  line-height: 1.8;
}

/* ---------- 渠道 ---------- */

.page-contact .channel-media {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  border: var(--edge-w) solid var(--edge);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  line-height: 0;
  background: var(--steel);
}

.page-contact .channel-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .channel-card {
  position: relative;
  padding: 26px 24px 24px 30px;
  background: var(--steel);
  border: var(--edge-w) solid var(--edge);
  box-shadow: var(--shadow-hard);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cyan);
}

.page-contact .channel-card--magenta::before {
  background: var(--magenta);
}

.page-contact .channel-card--gold::before {
  background: var(--gold);
}

.page-contact .channel-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 rgba(27, 42, 61, 0.95);
}

.page-contact .channel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cool);
  margin: 0 0 12px;
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.55;
  color: var(--frost);
  margin: 0 0 14px;
  overflow-wrap: anywhere;
}

.page-contact .channel-card--gold .channel-value {
  color: var(--gold);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .channel-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--edge);
  display: grid;
  gap: 8px;
}

.page-contact .channel-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--frost);
  opacity: 0.86;
}

.page-contact .channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .channel-card--magenta .channel-list li::before {
  background: var(--magenta);
}

.page-contact .channel-card--gold .channel-list li::before {
  background: var(--gold);
}

/* ---------- 服务时间 ---------- */

.page-contact .hours-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-contact .hours-clock {
  padding: 28px 26px;
  background:
    linear-gradient(158deg, rgba(47, 243, 224, 0.1), transparent 62%),
    var(--steel);
  border: var(--edge-w) solid var(--edge);
  box-shadow: var(--shadow-hard);
}

.page-contact .hours-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-contact .hours-big {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.4vw, 50px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-contact .hours-dash {
  color: var(--gold);
  opacity: 0.5;
  margin: 0 4px;
}

.page-contact .hours-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .response-steps {
  list-style: none;
  counter-reset: pc-step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--edge);
  border: var(--edge-w) solid var(--edge);
}

.page-contact .response-steps li {
  counter-increment: pc-step;
  position: relative;
  padding: 18px 20px 18px 64px;
  background: var(--steel);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .response-steps li::before {
  content: "0" counter(pc-step);
  position: absolute;
  left: 20px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .response-steps strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--frost);
}

/* ---------- 咨询范围 ---------- */

.page-contact .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-contact .topic-card {
  position: relative;
  padding: 24px 22px;
  background: var(--steel);
  border: var(--edge-w) solid var(--edge);
  overflow: hidden;
}

.page-contact .topic-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 3px;
  background: var(--cyan);
}

.page-contact .topic-card:nth-child(2)::after {
  background: var(--magenta);
}

.page-contact .topic-card:nth-child(3)::after {
  background: var(--gold);
}

.page-contact .topic-card:nth-child(4)::after {
  background: var(--cyan);
}

.page-contact .topic-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--frost);
}

.page-contact .topic-desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--cool);
}

.page-contact .prep-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--edge);
  display: grid;
  gap: 7px;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 15px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--frost);
  opacity: 0.82;
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  opacity: 0.75;
}

/* ---------- 合作方向 ---------- */

.page-contact .collab-list {
  margin-top: clamp(26px, 3.4vw, 40px);
  border-top: var(--edge-w) solid var(--edge);
}

.page-contact .collab-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 24px 0;
  border-bottom: var(--edge-w) solid var(--edge);
}

.page-contact .collab-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.015em;
  color: var(--frost);
}

.page-contact .collab-name .mono {
  margin-right: 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--magenta);
}

.page-contact .collab-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--cool);
}

/* ---------- 留言表单 ---------- */

.page-contact .message-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-contact .inquiry-form {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3.4vw, 36px);
  background: var(--steel);
  border: var(--edge-w) solid var(--edge);
  box-shadow: var(--shadow-hard);
}

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

.page-contact .field label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-contact .field .req {
  margin-left: 8px;
  font-style: normal;
  letter-spacing: 0.06em;
  color: var(--coral);
}

.page-contact .field input,
.page-contact .field select,
.page-contact .field textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 14px;
  background-color: var(--pc-field-bg);
  border: var(--edge-w) solid var(--edge);
  border-radius: 0;
  color: var(--frost);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  appearance: none;
  color-scheme: dark;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .field textarea {
  resize: vertical;
  min-height: 118px;
}

.page-contact .field select {
  padding-right: 42px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--cool) 50%),
    linear-gradient(135deg, var(--cool) 50%, transparent 50%);
  background-position:
    calc(100% - 21px) calc(50% + 1px),
    calc(100% - 15px) calc(50% + 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat, no-repeat;
}

.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder {
  color: rgba(124, 138, 163, 0.6);
}

.page-contact .field input:focus,
.page-contact .field select:focus,
.page-contact .field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 243, 224, 0.14);
}

.page-contact .field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .btn--submit {
  justify-self: start;
  padding: 14px 34px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: linear-gradient(118deg, var(--cyan) 0%, var(--cyan) 34%, var(--magenta) 100%);
  border: var(--edge-w) solid var(--ink);
  border-radius: 0;
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease), filter 160ms var(--ease);
}

.page-contact .btn--submit:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(27, 42, 61, 0.95);
  filter: brightness(1.06);
}

.page-contact .btn--submit:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(27, 42, 61, 0.95);
}

.page-contact .form-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .form-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .side-card {
  padding: 24px 22px;
  background:
    linear-gradient(180deg, rgba(47, 243, 224, 0.06), transparent 72%),
    var(--steel);
  border: var(--edge-w) solid var(--edge);
}

.page-contact .side-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-contact .side-clock {
  margin: 0;
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-contact .side-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--cool);
}

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

.page-contact .side-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--frost);
  opacity: 0.86;
}

.page-contact .side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--magenta);
}

/* ---------- 到访与邮寄 ---------- */

.page-contact .visit-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-contact .visit-media {
  margin: 0;
  border: var(--edge-w) solid var(--edge);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  line-height: 0;
  background: var(--steel);
}

.page-contact .visit-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 9 / 7;
}

.page-contact .visit-address {
  margin: 0 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--gold);
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--frost);
  overflow-wrap: anywhere;
}

.page-contact .visit-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--cool);
}

.page-contact .visit-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .visit-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .visit-list strong {
  display: inline-block;
  margin-right: 8px;
  font-weight: 700;
  color: var(--frost);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-contact .field-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .hero-chips {
    gap: 12px;
  }
}

@media (min-width: 780px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .collab-item {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .hours-layout {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .visit-layout {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 40px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .message-layout {
    grid-template-columns: minmax(0, 1.36fr) minmax(0, 0.64fr);
    gap: 32px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .btn--submit,
  .page-contact .field input,
  .page-contact .field select,
  .page-contact .field textarea {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .btn--submit:hover,
  .page-contact .btn--submit:active {
    transform: none;
  }
}
<<<END>>>