.page-contact {
  --pc-line: rgba(220, 184, 120, .34);
  --pc-line-soft: rgba(220, 184, 120, .15);
  --pc-gap: clamp(18px, 2.4vw, 30px);
  --pc-flow-gap: 20px;
  --pc-muted-ink: #5a646f;
  --pc-radius: 4px 22px 4px 22px;
  background: var(--navy-900);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3vw, 32px) clamp(52px, 8vw, 104px);
  border-bottom: 1px solid var(--navy-700);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg,
      rgba(220, 184, 120, .07) 0 1px,
      transparent 1px 24px);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -120px;
  width: min(480px, 70vw);
  height: min(480px, 70vw);
  border-radius: var(--radius-blob);
  background: radial-gradient(circle at 35% 35%, rgba(30, 110, 140, .55), rgba(30, 110, 140, 0) 72%);
  pointer-events: none;
}

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

.page-contact .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(22px, 4vw, 44px);
}

.page-contact .hero-kicker {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-contact h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-56);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .lede {
  margin-top: 18px;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mist-dark);
}

.page-contact .hero-panel {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  background: linear-gradient(158deg, rgba(8, 40, 56, .92), rgba(15, 61, 85, .42));
}

.page-contact .hero-panel-title {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--sand);
}

.page-contact .hero-panel-list {
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .hero-panel-list > div {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .hero-panel-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .hero-panel-list dt {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--mist-dark);
}

.page-contact .hero-panel-list dd {
  margin: 0;
  font-size: var(--fs-20);
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .hero-panel-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist-dark);
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding-block: clamp(48px, 7vw, 100px);
}

.page-contact .band-paper .lede {
  color: var(--pc-muted-ink);
}

.page-contact .chapter-title {
  color: inherit;
}

/* ---------- 01 渠道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid rgba(15, 61, 85, .22);
  border-radius: var(--pc-radius);
  background: #fffdf8;
  color: var(--ink);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .channel-card--dark {
  border-color: var(--navy-700);
  background: var(--navy-800);
  color: var(--paper);
}

.page-contact .channel-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-26);
  line-height: 1.2;
}

.page-contact .channel-card p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.7;
}

.page-contact .channel-card .channel-applies {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed rgba(15, 61, 85, .22);
  font-size: var(--fs-14);
  color: var(--pc-muted-ink);
  opacity: .82;
  transition: opacity .18s var(--ease);
}

.page-contact .channel-card--dark .channel-applies {
  border-top-color: var(--pc-line-soft);
  color: var(--mist-dark);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--sand);
  box-shadow: 0 22px 44px -28px rgba(4, 20, 31, .8);
}

.page-contact .channel-card:hover .channel-applies,
.page-contact .channel-card:focus-within .channel-applies {
  opacity: 1;
}

.page-contact .channel-foot {
  margin: 0;
  padding-top: 12px;
  font-size: var(--fs-14);
  letter-spacing: .02em;
  color: var(--orange-deep);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card--dark .channel-foot {
  color: var(--cyan);
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 02 邮箱与电话 ---------- */
.page-contact .contact-lines {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .contact-line {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--navy-700);
  border-left: 3px solid var(--orange);
  border-radius: 0 18px 0 18px;
  background: rgba(8, 40, 56, .68);
}

.page-contact .contact-label {
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--sand);
}

.page-contact .contact-value {
  font-size: clamp(1.15rem, 1rem + 1.4vw, 1.9rem);
  font-weight: 500;
  line-height: 1.25;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-value:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-hint {
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--mist-dark);
}

.page-contact .tip-list {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .tip-list li {
  position: relative;
  padding-left: 26px;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--mist-dark);
}

.page-contact .tip-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 12px;
  height: 2px;
  background: var(--sand);
}

@media (min-width: 880px) {
  .page-contact .contact-lines {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 03 工单三步 ---------- */
.page-contact .step-flow {
  display: grid;
  gap: var(--pc-flow-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .step {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(15, 61, 85, .2);
  border-radius: 4px 18px 4px 18px;
  background: #fffdf8;
}

.page-contact .step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  cursor: pointer;
}

.page-contact .step-head::-webkit-details-marker {
  display: none;
}

.page-contact .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--navy-900);
  font-size: var(--fs-14);
  font-weight: 500;
}

.page-contact .step-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-20);
  color: var(--ink);
}

.page-contact .step-body p {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--pc-muted-ink);
}

@media (min-width: 860px) {
  .page-contact .step-flow {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-contact .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 40px;
    right: calc(-1 * var(--pc-flow-gap));
    width: var(--pc-flow-gap);
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--orange) 0 6px, transparent 6px 12px);
  }
}

.page-contact .flow-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-contact .flow-figure img,
.page-contact .address-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 4px 20px 4px 20px;
}

.page-contact .flow-figure figcaption,
.page-contact .address-figure figcaption {
  margin-top: 12px;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--pc-muted-ink);
}

/* ---------- 04 合作与纠错 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .coop-card {
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  background: linear-gradient(160deg, rgba(8, 40, 56, .9), rgba(4, 20, 31, .5));
}

.page-contact .coop-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-26);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--mist-dark);
}

.page-contact .coop-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--mist-dark);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sand);
}

.page-contact .coop-sla {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: var(--fs-16);
  color: var(--cyan);
}

@media (min-width: 820px) {
  .page-contact .coop-grid {
    grid-template-columns: 6fr 4fr;
  }
}

/* ---------- 05 地址 ---------- */
.page-contact .address-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .address-line {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: clamp(1rem, .92rem + .7vw, 1.35rem);
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
  padding: 16px 18px;
  border-left: 3px solid var(--orange);
  border-radius: 0 14px 0 14px;
  background: rgba(220, 184, 120, .2);
}

.page-contact .address-text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--pc-muted-ink);
}

.page-contact .address-link {
  display: inline-block;
  margin-top: 22px;
  padding-bottom: 3px;
  font-size: var(--fs-16);
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .address-link:hover {
  color: var(--navy-900);
  border-color: var(--navy-900);
}

.page-contact .address-figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-contact .address-grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }
}

/* ---------- 06 响应时间 ---------- */
.page-contact .sla-grid {
  display: grid;
  gap: 1px;
  margin: clamp(26px, 4vw, 44px) 0 0;
  background: var(--navy-700);
  border: 1px solid var(--navy-700);
  border-radius: 4px 18px 4px 18px;
  overflow: hidden;
}

.page-contact .sla-item {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--navy-900);
}

.page-contact .sla-item dt {
  font-size: var(--fs-14);
  letter-spacing: .04em;
  color: var(--sand);
}

.page-contact .sla-item dd {
  margin: 10px 0 0;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--mist-dark);
}

.page-contact .sla-note {
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  max-width: 46em;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist-dark);
}

.page-contact .sla-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 198, .45);
}

.page-contact .sla-note a:hover {
  border-color: var(--cyan);
}

@media (min-width: 760px) {
  .page-contact .sla-grid {
    grid-template-columns: 1fr 1fr;
  }
}
<<<END>>>