.page-contact {
  --contact-cut: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  --contact-cut-tl: polygon(20px 0, 100% 0, 100% 100%, 0 100%, 0 20px);
  --contact-line: rgba(15, 31, 29, 0.14);
  --contact-line-light: rgba(207, 231, 242, 0.24);
  background: linear-gradient(180deg, var(--ice) 0%, var(--frost) 58%, var(--ice) 100%);
  color: var(--text);
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  padding-top: clamp(36px, 6vw, 64px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .contact-hero__head {
  max-width: 760px;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero__head h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(15, 31, 29, 0.78);
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(32px, 5vw, 52px);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 28px;
  background: var(--frost);
  clip-path: var(--contact-cut);
  box-shadow: 0 1px 0 var(--contact-line-light);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--accent, var(--cyan));
}

.page-contact .contact-card--mail { --accent: var(--indigo); }
.page-contact .contact-card--phone { --accent: var(--orange); }
.page-contact .contact-card--addr { --accent: var(--cyan); }

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 600;
  line-height: 1.4;
  word-break: break-word;
  color: var(--text);
}

.page-contact .contact-card__value--addr {
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(15, 31, 29, 0.7);
}

.page-contact .contact-map {
  position: relative;
  margin: 6px 0 0;
  overflow: hidden;
  clip-path: var(--contact-cut);
  background: linear-gradient(135deg, var(--ink) 0%, var(--indigo) 100%);
}

.page-contact .contact-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-contact .contact-map figcaption {
  position: absolute;
  left: 18px;
  bottom: 16px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--cyan);
  clip-path: var(--contact-cut-tl);
}

/* ============ 咨询前准备 ============ */
.page-contact .contact-prep__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-prep__head h2 {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .contact-prep__head p {
  margin: 16px 0 0;
  max-width: 460px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(207, 231, 242, 0.76);
}

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

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  padding: 20px 22px;
  background: var(--ink-2);
  clip-path: var(--contact-cut);
  border-left: 2px solid var(--cyan);
}

.page-contact .contact-checklist__idx {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .contact-checklist__item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .contact-checklist__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(207, 231, 242, 0.72);
}

/* ============ 渠道分流 ============ */
.page-contact .contact-routes__head {
  max-width: 640px;
}

.page-contact .contact-routes__head h2 {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  font-weight: 800;
}

.page-contact .contact-routes__head p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(15, 31, 29, 0.72);
}

.page-contact .route-flow {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .route-flow__lanes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .route-lane {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background: var(--frost);
  clip-path: var(--contact-cut);
  border-top: 3px solid var(--indigo);
}

.page-contact .route-lane__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--indigo);
}

.page-contact .route-lane h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
}

.page-contact .route-lane p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(15, 31, 29, 0.7);
}

.page-contact .route-lane__tag {
  margin-top: auto !important;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .route-flow__node {
  position: relative;
  margin-top: 18px;
  padding: 26px 24px;
  background: linear-gradient(120deg, var(--ink) 0%, var(--indigo) 100%);
  clip-path: var(--contact-cut);
  color: var(--frost);
}

.page-contact .route-flow__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-contact .route-flow__node-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .route-flow__node-title {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 800;
}

.page-contact .route-flow__node-text {
  margin: 10px 0 0;
  max-width: 640px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(207, 231, 242, 0.78);
}

/* ============ 纠错与合作 ============ */
.page-contact .contact-partner__head h2 {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  font-weight: 800;
}

.page-contact .partner-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .partner-col {
  padding: 26px 24px;
  background: rgba(11, 42, 37, 0.55);
  clip-path: var(--contact-cut);
  border-top: 2px solid var(--cyan);
}

.page-contact .partner-col h3 {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .partner-col p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(207, 231, 242, 0.75);
}

.page-contact .partner-col__tip {
  margin-top: 18px !important;
  padding-top: 14px;
  border-top: 1px dashed var(--contact-line-light);
  font-size: 13px !important;
  color: rgba(207, 231, 242, 0.6) !important;
}

.page-contact .partner-col__tip .num {
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-contact .contact-partner__link {
  margin: clamp(26px, 4vw, 40px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(207, 231, 242, 0.7);
}

.page-contact .contact-partner__link a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.5);
  padding-bottom: 1px;
}

.page-contact .contact-partner__link a:hover,
.page-contact .contact-partner__link a:focus-visible {
  border-bottom-color: var(--orange);
}

/* ============ 时效带 ============ */
.page-contact .contact-sla {
  padding: clamp(48px, 7vw, 96px) 0;
  background: linear-gradient(180deg, rgba(207, 231, 242, 0.6) 0%, var(--ice) 100%);
}

.page-contact .contact-sla__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .contact-sla__head h2 {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  font-weight: 800;
}

.page-contact .contact-sla__head p {
  margin: 16px 0 0;
  max-width: 440px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(15, 31, 29, 0.72);
}

.page-contact .sla-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
}

.page-contact .sla-step {
  position: relative;
  padding: 20px 0 20px 30px;
  border-left: 2px solid rgba(42, 92, 122, 0.28);
}

.page-contact .sla-step:last-child {
  border-left-color: transparent;
}

.page-contact .sla-step__tick {
  position: absolute;
  left: -7px;
  top: 26px;
  width: 12px;
  height: 12px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-contact .sla-step__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--indigo);
}

.page-contact .sla-step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(15, 31, 29, 0.76);
}

.page-contact .contact-sla__note {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 720px;
  padding: 18px 22px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(15, 31, 29, 0.78);
  background: var(--orange-soft);
  clip-path: var(--contact-cut);
}

/* ============ 断点 ============ */
@media (min-width: 640px) {
  .page-contact .route-flow__lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .contact-cards {
    grid-template-columns: 4fr 3fr 5fr;
    align-items: stretch;
  }

  .page-contact .contact-map {
    grid-column: 1 / -1;
    margin-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-prep__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .contact-sla__grid {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .route-flow__lanes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .route-flow__node {
    margin-top: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .reveal {
    transition: none;
  }
}
<<<END>>>