.page-contact {
  --contact-line: rgba(168, 149, 114, .28);
  --contact-line-soft: rgba(168, 149, 114, .16);
  --contact-pad: clamp(18px, 2.6vw, 32px);
  --contact-gap: clamp(18px, 2.8vw, 36px);
  --contact-ink: #221c14;
  --contact-ink-dim: #6b5a3f;
  position: relative;
  display: block;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(92% 62% at 94% -6%, rgba(37, 28, 59, .78), transparent 64%),
    radial-gradient(70% 50% at 4% 22%, rgba(16, 49, 45, .42), transparent 70%),
    linear-gradient(168deg, var(--night) 0%, var(--ink) 44%, var(--ink-deep) 100%);
  overflow-x: clip;
}

.page-contact .section {
  padding-block: clamp(34px, 5vw, 68px);
}

.page-contact .section--tight {
  padding-block: clamp(18px, 2.4vw, 30px) clamp(34px, 5vw, 64px);
}

/* 面包屑 */
.page-contact .contact-breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
}

.page-contact .contact-breadcrumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .contact-breadcrumb .breadcrumb-list > li + li::before {
  content: "／";
  margin-right: 8px;
  color: rgba(168, 149, 114, .5);
}

.page-contact .contact-breadcrumb .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-breadcrumb .breadcrumb-link:hover,
.page-contact .contact-breadcrumb .breadcrumb-link[aria-current="page"] {
  color: var(--gold);
  border-bottom-color: var(--line-strong);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(26px, 4vw, 58px) clamp(22px, 4vw, 46px);
  isolation: isolate;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 2%;
  right: -14%;
  width: min(58vw, 660px);
  height: 116%;
  background: linear-gradient(152deg, rgba(214, 162, 74, .16), rgba(91, 32, 43, .14) 54%, transparent 80%);
  border-left: 1px solid rgba(240, 208, 138, .16);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-contact .contact-hero-copy h1 {
  margin: .18em 0 .5em;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(2rem, 5.2vw, 3.8rem);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--text);
  text-wrap: balance;
}

.page-contact .contact-lead {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(1rem, 1.15vw, 1.0625rem);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .contact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-contact .contact-chips .chip {
  padding: 5px 13px;
  border: 1px solid var(--contact-line);
  border-radius: 999px;
  background: rgba(214, 162, 74, .07);
  color: var(--gold);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
}

.page-contact .contact-hero-stamp {
  display: none;
}

.page-contact .slot-mark {
  display: block;
  width: 88px;
  height: 88px;
}

.page-contact .stamp-label {
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--mist);
  white-space: nowrap;
}

/* 投递主区 */
.page-contact .delivery-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .delivery-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

/* 投递卡 */
.page-contact .dispatch-card {
  position: relative;
  padding: var(--contact-pad);
  border: 1px solid rgba(168, 149, 114, .45);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(231, 223, 210, .95), rgba(231, 223, 210, .88));
  box-shadow: 0 26px 64px -34px rgba(0, 0, 0, .88), inset 0 0 0 1px rgba(255, 255, 255, .38);
  color: var(--contact-ink);
}

.page-contact .dispatch-card::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(168, 149, 114, .26);
  pointer-events: none;
}

.page-contact .dispatch-head {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(120, 100, 68, .26);
}

.page-contact .dispatch-title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: 700;
  color: var(--contact-ink);
}

.page-contact .dispatch-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--contact-ink-dim);
}

.page-contact .field {
  display: grid;
  gap: 7px;
  margin-bottom: 15px;
}

.page-contact .field-label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--contact-ink-dim);
}

.page-contact .field-input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid rgba(120, 100, 68, .4);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .74);
  color: #1f1a12;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}

.page-contact .field-input::placeholder {
  color: rgba(107, 90, 63, .62);
}

.page-contact .field-input:focus {
  outline: none;
  border-color: var(--amber);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(214, 162, 74, .24);
}

.page-contact textarea.field-input {
  min-height: 104px;
  resize: vertical;
  line-height: 1.7;
}

.page-contact .dispatch-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid rgba(120, 100, 68, .26);
}

.page-contact .dispatch-hint {
  max-width: 30ch;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--contact-ink-dim);
}

/* 回执票据 */
.page-contact .receipt {
  position: relative;
  padding: var(--contact-pad);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background: linear-gradient(178deg, rgba(16, 49, 45, .92), rgba(14, 26, 43, .95));
  box-shadow: inset 0 1px 0 rgba(240, 208, 138, .16), 0 22px 54px -36px rgba(0, 0, 0, .9);
}

.page-contact .receipt-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .receipt-tag {
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .receipt-intro {
  margin: 14px 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .receipt-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .receipt-row {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(168, 149, 114, .24);
}

.page-contact .receipt-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .receipt-key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .receipt-val {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .receipt-tear {
  height: 1px;
  margin: 20px 0 14px;
  background: repeating-linear-gradient(90deg, rgba(168, 149, 114, .5) 0 6px, transparent 6px 12px);
}

.page-contact .receipt-foot {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--mist);
}

/* 右侧联系栏 */
.page-contact .delivery-rail {
  display: grid;
  gap: var(--contact-gap);
  align-content: start;
}

.page-contact .rail-block {
  padding: var(--contact-pad);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(37, 28, 59, .58), rgba(14, 26, 43, .52));
}

.page-contact .rail-title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--contact-line-soft);
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--text);
}

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

.page-contact .rail-item {
  display: grid;
  gap: 5px;
}

.page-contact .rail-key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-contact .rail-val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--text);
  word-break: break-word;
}

.page-contact .rail-val a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color .2s var(--ease);
}

.page-contact .rail-val a:hover {
  color: var(--amber);
}

.page-contact .rail-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* 图片容器 */
.page-contact .contact-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(135deg, rgba(168, 149, 114, .07) 0 2px, transparent 2px 9px),
    linear-gradient(180deg, rgba(23, 20, 15, .9), rgba(14, 26, 43, .9));
}

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

.page-contact .contact-media .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 11px 14px;
  background: linear-gradient(0deg, rgba(16, 13, 9, .92), rgba(16, 13, 9, 0));
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-media--night {
  align-self: stretch;
}

/* 反馈前准备 */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .prep-item {
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background: rgba(23, 20, 15, .5);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .prep-item[open] {
  border-color: var(--line-strong);
  background: rgba(16, 49, 45, .34);
}

.page-contact .prep-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .prep-summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-no {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-contact .prep-name {
  flex: 1 1 auto;
}

.page-contact .prep-summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--amber);
}

.page-contact .prep-item[open] .prep-summary::after {
  content: "−";
}

.page-contact .prep-body {
  margin: 0 18px;
  padding: 14px 0 18px;
  border-top: 1px dashed rgba(168, 149, 114, .24);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* 处理流程 */
.page-contact .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding: 24px 8px 22px 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(214, 162, 74, .12);
}

.page-contact .flow-no {
  display: block;
  margin-bottom: 10px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .flow-name {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .flow-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-dim);
}

/* 服务范围 */
.page-contact .scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: center;
}

.page-contact .scope-text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--text-dim);
}

.page-contact .scope-text .arrow-link,
.page-contact .scope-list .arrow-link {
  color: var(--gold);
}

.page-contact .scope-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .scope-list li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--contact-line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-contact .scope-k {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber);
  padding-top: 3px;
}

/* 底部链接 */
.page-contact .contact-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: 22px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-links .arrow-link {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--contact-line-soft);
  border-radius: var(--radius);
  background: rgba(23, 20, 15, .42);
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.65;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .contact-links .arrow-link:hover {
  color: var(--gold);
  border-color: var(--line-strong);
  background: rgba(214, 162, 74, .07);
}

/* 中屏 */
@media (min-width: 680px) {
  .page-contact .delivery-col {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }

  .page-contact .receipt {
    margin-top: 28px;
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 宽屏 */
@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .8fr);
  }

  .page-contact .contact-hero-stamp {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 30px 18px;
    border: 1px solid var(--contact-line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(14, 26, 43, .74), rgba(23, 20, 15, .58));
    box-shadow: inset 0 1px 0 rgba(240, 208, 138, .14);
  }

  .page-contact .scope-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 24px;
  }
}

@media (min-width: 980px) {
  .page-contact .delivery-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-contact .delivery-rail {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field-input,
  .page-contact .prep-item,
  .page-contact .contact-links .arrow-link,
  .page-contact .rail-val a,
  .page-contact .contact-breadcrumb .breadcrumb-link {
    transition: none;
  }
}
<<<END>>>