.page-contact {
  --c-cut: 20px;
  --c-cut-sm: 12px;
  display: block;
  padding-bottom: clamp(80px, 10vw, 140px);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: clamp(22px, 3.6vw, 44px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--grey);
}
.page-contact .contact-crumbs a {
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .contact-crumbs a:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--line-strong);
}
.page-contact .contact-crumbs .crumbs__sep { color: var(--line-strong); }
.page-contact .contact-crumbs__now { color: var(--cream); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  margin-top: clamp(26px, 4vw, 48px);
}
.page-contact .contact-hero__inner {
  max-width: 880px;
  padding-inline-start: clamp(0px, 3vw, 56px);
}
.page-contact .contact-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-display);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--cream);
}
.page-contact .contact-hero .lede {
  margin-top: 20px;
  color: var(--grey);
  font-size: var(--fs-body);
  line-height: 1.85;
  max-width: 62ch;
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px clamp(20px, 3vw, 44px);
  margin: clamp(28px, 3.6vw, 44px) 0 0;
}
.page-contact .hero-fact {
  padding-inline-start: 14px;
  border-inline-start: 1px solid var(--line);
}
.page-contact .hero-fact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--grey);
  text-transform: uppercase;
}
.page-contact .hero-fact__v {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--cyan);
  font-weight: 600;
}

/* ---------- 斜纹分隔带 ---------- */
.page-contact .contact-band {
  height: 26px;
  margin-top: clamp(44px, 5.4vw, 76px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: repeating-linear-gradient(45deg, rgba(201, 162, 39, .16) 0 1px, transparent 1px 13px);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-block {
  margin-top: clamp(64px, 9vw, 128px);
}
.page-contact .contact-block .section-head .lede {
  color: var(--grey);
  line-height: 1.85;
  max-width: 62ch;
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 1.6vw, 20px);
}
.page-contact .channel {
  display: block;
  padding: 1px;
  background: linear-gradient(135deg, rgba(201, 162, 39, .32), rgba(138, 138, 150, .14) 55%, rgba(123, 77, 255, .22));
  clip-path: polygon(var(--c-cut) 0, 100% 0, 100% calc(100% - var(--c-cut)), calc(100% - var(--c-cut)) 100%, 0 100%, 0 var(--c-cut));
}
.page-contact .channel__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
  padding: clamp(22px, 2.4vw, 30px) clamp(20px, 2.2vw, 26px) clamp(22px, 2.4vw, 28px);
  background: linear-gradient(180deg, #1A1A22, var(--panel) 62%);
  clip-path: polygon(var(--c-cut) 0, 100% 0, 100% calc(100% - var(--c-cut)), calc(100% - var(--c-cut)) 100%, 0 100%, 0 var(--c-cut));
}
.page-contact .channel--primary {
  background: linear-gradient(135deg, rgba(232, 199, 102, .78), rgba(201, 162, 39, .28) 52%, rgba(53, 224, 214, .34));
}
.page-contact .channel--primary .channel__body {
  background: linear-gradient(180deg, rgba(201, 162, 39, .16), var(--ink-2) 58%);
}
.page-contact .channel__rank {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-contact .channel--primary .channel__rank { color: var(--gold-lt); }
.page-contact .channel__use {
  margin: 0;
  color: var(--cream);
  font-size: 15px;
  line-height: 1.8;
}
.page-contact .channel__points {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}
.page-contact .channel__points li {
  position: relative;
  padding-inline-start: 16px;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.7;
}
.page-contact .channel__points li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: .82em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}
.page-contact .channel__foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-word;
}
.page-contact .channel--primary .channel__value { color: var(--gold-lt); }
.page-contact .channel__note {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grey);
}
.page-contact .channel__link {
  align-self: flex-start;
  font-size: 13px;
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-contact .channel__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(53, 224, 214, .5);
}

/* ---------- 工单材料 ---------- */
.page-contact .material-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(26px, 3.4vw, 44px);
}
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: mat;
}
.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .checklist__item:first-child { border-top: 1px solid var(--line-soft); }
.page-contact .checklist__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
  padding-top: 3px;
}
.page-contact .checklist__title {
  margin: 0;
  font-weight: 700;
  font-size: 16px;
  color: var(--cream);
}
.page-contact .checklist__desc {
  margin: 7px 0 0;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.8;
}
.page-contact .material-warn {
  display: block;
  margin: 24px 0 0;
  padding: 16px 18px;
  background: rgba(192, 57, 43, .1);
  border-inline-start: 2px solid var(--red);
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.8;
}
.page-contact .material-warn .tag { margin-inline-end: 10px; }

/* ---------- 图片容器 ---------- */
.page-contact .figure {
  margin: 0;
}
.page-contact .figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  clip-path: polygon(var(--c-cut) 0, 100% 0, 100% calc(100% - var(--c-cut)), calc(100% - var(--c-cut)) 100%, 0 100%, 0 var(--c-cut));
}
.page-contact .figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.85) contrast(1.04);
}
.page-contact .figure__watermark {
  position: absolute;
  right: 14px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(242, 232, 213, .6);
  padding: 5px 9px;
  border: 1px solid rgba(242, 232, 213, .26);
  background: rgba(10, 10, 12, .55);
}
.page-contact .figure__caption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grey);
  line-height: 1.7;
}

/* ---------- 郑州服务中心 ---------- */
.page-contact .center-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 48px);
  margin-top: clamp(26px, 3.4vw, 44px);
}
.page-contact .center-facts {
  margin: 0;
  display: grid;
}
.page-contact .center-facts > div {
  display: grid;
  gap: 7px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .center-facts > div:first-child { border-top: 1px solid var(--line-soft); }
.page-contact .center-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-contact .center-facts dd {
  margin: 0;
  color: var(--cream);
  font-size: 15px;
  line-height: 1.8;
  word-break: break-word;
}
.page-contact .center-facts dd.mono {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: .02em;
}

/* ---------- 响应节奏 ---------- */
.page-contact .cadence {
  list-style: none;
  margin: clamp(26px, 3.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
}
.page-contact .cadence__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .cadence__row:last-child { border-bottom: 1px solid var(--line-soft); }
.page-contact .cadence__stage {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--cyan);
}
.page-contact .cadence__what {
  font-weight: 700;
  font-size: 16px;
  color: var(--cream);
}
.page-contact .cadence__say {
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 合作 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(26px, 3.4vw, 44px);
}
.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-contact .coop-list li {
  padding: 18px 20px;
  background: rgba(30, 30, 38, .72);
  border-inline-start: 2px solid rgba(123, 77, 255, .5);
}
.page-contact .coop-list p {
  margin: 10px 0 0;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.8;
}
.page-contact .coop-note {
  margin: 22px 0 0;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.85;
}
.page-contact .coop-card {
  padding: 26px 24px;
  background: linear-gradient(160deg, rgba(201, 162, 39, .14), var(--panel) 64%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--c-cut-sm)), calc(100% - var(--c-cut-sm)) 100%, 0 100%);
}
.page-contact .coop-card__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-contact .coop-card__mail {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  word-break: break-all;
  line-height: 1.6;
}
.page-contact .coop-card__hint {
  margin: 14px 0 0;
  color: var(--grey);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 常见问题 ---------- */
.page-contact .faq-list {
  margin-top: clamp(24px, 3.2vw, 40px);
}
.page-contact .faq {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .faq:first-child { border-top: 1px solid var(--line-soft); }
.page-contact .faq__q {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 16px;
  color: var(--cream);
}
.page-contact .faq__q::-webkit-details-marker { display: none; }
.page-contact .faq__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
}
.page-contact .faq[open] .faq__q::after { content: "–"; color: var(--cyan); }
.page-contact .faq__a {
  margin: 0 0 22px;
  max-width: 68ch;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------- 右下角联系摘要 ---------- */
.page-contact .contact-float {
  position: fixed;
  right: clamp(14px, 2vw, 28px);
  bottom: clamp(14px, 2vw, 28px);
  z-index: 40;
  width: min(268px, calc(100vw - 32px));
  padding: 16px 18px 18px;
  background: rgba(20, 20, 26, .95);
  box-shadow: 0 20px 44px rgba(0, 0, 0, .5), inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}
.page-contact .contact-float__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-contact .contact-float__line {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  word-break: break-all;
  line-height: 1.6;
}
.page-contact .contact-float__hint {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--grey);
  line-height: 1.65;
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .page-contact .contact-float { display: none; }
}

@media (min-width: 760px) {
  .page-contact .cadence__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 8px 24px;
    align-items: baseline;
  }
  .page-contact .cadence__say { grid-column: 2; }
}

@media (min-width: 860px) {
  .page-contact .cadence__row {
    grid-template-columns: 158px 190px minmax(0, 1fr);
  }
  .page-contact .cadence__say { grid-column: auto; }
  .page-contact .coop-grid {
    grid-template-columns: 1.35fr .85fr;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .center-grid {
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .material-grid {
    grid-template-columns: 1.12fr .88fr;
    align-items: start;
  }
}

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