.page-contact {
  --pc-surface: rgba(244, 241, 234, 0.045);
  --pc-hair: rgba(244, 241, 234, 0.14);
  --pc-hair-soft: rgba(244, 241, 234, 0.075);
}

.page-contact [id] {
  scroll-margin-top: 104px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb-row {
  padding-block: clamp(18px, 3vw, 34px) 0;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 60px);
}

@media (min-width: 1024px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.9fr);
    align-items: start;
    gap: clamp(34px, 4.2vw, 74px);
  }
}

.page-contact .contact-hero-left {
  min-width: 0;
}

.page-contact .contact-h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 6.1vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-h1 .hl {
  display: inline-block;
  position: relative;
  padding: 0 0.16em 0.04em;
  color: var(--ink);
  background: var(--lime);
  clip-path: polygon(0.14em 0, 100% 0, calc(100% - 0.14em) 100%, 0 100%);
  margin-top: 0.08em;
}

.page-contact .contact-hero-lede {
  max-width: 44ch;
  margin-top: clamp(18px, 2.2vw, 28px);
  color: var(--muted);
}

/* 联系卡 */
.page-contact .channel-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 1.8vw, 22px);
  align-items: start;
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--pc-surface);
  border: 1px solid var(--pc-hair);
  clip-path: var(--cut-shape);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(198, 255, 61, 0.5);
  background: rgba(198, 255, 61, 0.05);
}

.page-contact .channel-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--lime);
  border: 1px solid var(--slate);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-contact .channel-icon svg {
  width: 20px;
  height: 20px;
  display: block;
}

.page-contact .channel-body {
  min-width: 0;
}

.page-contact .channel-label {
  display: block;
  color: var(--lime-dim);
  letter-spacing: 0.12em;
}

.page-contact .channel-value {
  margin: 6px 0 0;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-value.t-mono {
  font-family: var(--font-mono);
}

.page-contact .channel-note {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* 服务时段 */
.page-contact .contact-hero-right {
  min-width: 0;
  display: grid;
  gap: 16px;
}

.page-contact .hours-band {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--charcoal);
  border: 1px solid var(--pc-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .hours-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    -12deg,
    transparent 0 22px,
    rgba(198, 255, 61, 0.06) 22px 23px
  );
}

.page-contact .hours-kicker {
  position: relative;
  display: block;
  color: var(--lime-dim);
  letter-spacing: 0.12em;
}

.page-contact .hours-range {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 12px 0 0;
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1;
  color: var(--paper);
}

.page-contact .hours-dash {
  color: var(--slate);
  font-size: 0.6em;
}

.page-contact .hours-scale {
  position: relative;
  height: 12px;
  margin-top: clamp(20px, 2.4vw, 28px);
  background: var(--slate);
  overflow: hidden;
}

.page-contact .hours-scale::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(15, 31, 26, 0.55) 0 1px,
    rgba(0, 0, 0, 0) 1px 4.1667%
  );
}

.page-contact .hours-scale::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  z-index: 1;
  background: var(--lime);
  transform-origin: left center;
  animation: pc-hours-lit 1.1s var(--ease) both;
}

@keyframes pc-hours-lit {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.page-contact .hours-legend {
  position: relative;
  list-style: none;
  margin: clamp(18px, 2.2vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .hours-legend li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.page-contact .dot {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 6px;
}

.page-contact .dot--lime {
  background: var(--lime);
}

.page-contact .dot--slate {
  background: var(--slate);
}

.page-contact .contact-hero-figure {
  margin: 0;
  clip-path: polygon(0 24px, 24px 0, 100% 0, 100% 100%, 0 100%);
}

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

/* ---------- 回复时效 ---------- */
.page-contact .sla-list {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .sla-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .sla-key {
  color: var(--lime-dim);
  letter-spacing: 0.12em;
}

.page-contact .sla-time {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
}

.page-contact .sla-desc {
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 768px) {
  .page-contact .sla-row {
    grid-template-columns: 156px 172px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
    padding: 24px 0 24px 20px;
  }

  .page-contact .sla-row::before {
    content: "";
    position: absolute;
    left: 0;
    top: 26px;
    bottom: 26px;
    width: 3px;
    background: var(--slate);
    transition: background-color 0.25s var(--ease);
  }

  .page-contact .sla-row:hover::before,
  .page-contact .sla-row:focus-within::before {
    background: var(--lime);
  }
}

/* ---------- 记录反馈流程 ---------- */
.page-contact .feedback-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 52px);
  margin-top: clamp(24px, 3vw, 42px);
}

@media (min-width: 960px) {
  .page-contact .feedback-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }
}

.page-contact .feedback-figure {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

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

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
}

@media (min-width: 700px) {
  .page-contact .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .flow-step {
  position: relative;
  min-width: 0;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--charcoal);
  box-shadow: inset 0 0 0 1px var(--pc-hair);
  clip-path: var(--cut-shape);
  transition: background-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-contact .flow-step::after {
  content: "";
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 22px;
  height: 1px;
  background: var(--lime-dim);
  transform: rotate(-12deg);
  transition: background-color 0.28s var(--ease), width 0.28s var(--ease);
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  background: #16211f;
  box-shadow: inset 0 0 0 1px rgba(198, 255, 61, 0.42);
}

.page-contact .flow-step:hover::after,
.page-contact .flow-step:focus-within::after {
  background: var(--lime);
  width: 32px;
}

.page-contact .step-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-contact .step-title {
  margin: 12px 0 0;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .step-lead {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .step-points {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .step-points li {
  position: relative;
  padding-left: 16px;
}

.page-contact .step-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 邮件怎么写 ---------- */
.page-contact .email-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 50px);
}

@media (min-width: 960px) {
  .page-contact .email-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

.page-contact .email-intro {
  min-width: 0;
}

.page-contact .email-checklist {
  list-style: none;
  margin: clamp(20px, 2.4vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .email-checklist li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .email-checklist li > span:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
  padding-top: 3px;
}

.page-contact .mail-sheet {
  min-width: 0;
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--charcoal);
  border-left: 3px solid var(--lime);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  display: grid;
  gap: 0;
}

.page-contact .mail-head {
  margin: 0 0 18px;
  color: var(--lime-dim);
  letter-spacing: 0.12em;
}

.page-contact .mail-line {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .mail-line:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .mail-key {
  color: var(--slate);
}

.page-contact .mail-val {
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .mail-val.t-mono {
  font-family: var(--font-mono);
  color: var(--lime);
  font-size: 14px;
}

/* ---------- 合作方向 ---------- */
.page-contact .partner-list {
  margin-top: clamp(24px, 3vw, 40px);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .partner-item {
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .partner-summary {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 22px 52px 22px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

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

.page-contact .partner-summary:hover,
.page-contact .partner-summary:focus-visible {
  background: rgba(198, 255, 61, 0.05);
  padding-left: 14px;
}

.page-contact .partner-summary::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -6px;
  border-right: 1px solid var(--lime);
  border-bottom: 1px solid var(--lime);
  transform: rotate(45deg);
  transition: transform 0.28s var(--ease), margin-top 0.28s var(--ease);
}

.page-contact .partner-item[open] .partner-summary::after {
  transform: rotate(-135deg);
  margin-top: -2px;
}

.page-contact .partner-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .partner-name {
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .partner-body {
  padding: 0 52px 26px 64px;
}

.page-contact .partner-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 62ch;
}

@media (max-width: 600px) {
  .page-contact .partner-body {
    padding: 0 20px 24px 20px;
  }
}

/* ---------- 服务区域 ---------- */
.page-contact .region-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 46px);
  padding: clamp(24px, 3vw, 44px);
  background: var(--charcoal);
  box-shadow: inset 0 0 0 1px var(--pc-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

@media (min-width: 900px) {
  .page-contact .region-strip {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: center;
  }
}

.page-contact .region-copy {
  min-width: 0;
}

.page-contact .region-copy .prose {
  margin-top: 16px;
}

.page-contact .region-copy a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.4);
  transition: border-color 0.2s var(--ease);
}

.page-contact .region-copy a:hover,
.page-contact .region-copy a:focus-visible {
  border-bottom-color: var(--lime);
}

.page-contact .region-facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.page-contact .region-facts dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--lime-dim);
}

.page-contact .region-facts dd {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .region-icp {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .hours-scale::after {
    animation: none;
  }

  .page-contact .channel-card,
  .page-contact .sla-row,
  .page-contact .flow-step,
  .page-contact .partner-summary,
  .page-contact .partner-summary::after {
    transition: none;
  }

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