.page-contact {
  --pc-shadow: 8px 8px 0 0 var(--rock);
  --pc-line: rgba(35, 39, 37, .22);
  background: var(--ink);
  color: var(--silver);
  overflow-x: clip;
}

/* ---------- 区块通用 ---------- */
.page-contact .section {
  position: relative;
  padding: var(--sec-y) 0;
}
.page-contact .section--paper {
  background: var(--paper);
  color: var(--ink);
}
.page-contact .section--rock {
  background: var(--rock);
  color: var(--silver);
}
.page-contact .contact-reg {
  background: var(--ink-2);
}

.page-contact .sec-head {
  margin-bottom: clamp(26px, 3.6vw, 46px);
  max-width: 900px;
}
.page-contact .sec-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--orange);
  opacity: .55;
  margin-bottom: 12px;
}
.page-contact .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
}
.page-contact .section--paper .eyebrow {
  color: var(--deep-green);
}
.page-contact .sec-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -.01em;
}
.page-contact .section--paper .sec-title {
  color: var(--ink);
}
.page-contact .sec-lede {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.78;
  color: var(--silver);
  max-width: 64ch;
}
.page-contact .section--paper .sec-lede {
  color: #2C302D;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.page-contact .breadcrumb__item {
  display: inline-flex;
  align-items: center;
}
.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--cold);
}
.page-contact .breadcrumb__link {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}
.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  border-bottom-color: var(--deep-green);
}
.page-contact .breadcrumb__current {
  color: var(--cold);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__top {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  grid-template-columns: 1fr;
}
.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 5.6vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -.025em;
  color: var(--ink);
}
.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: #2C302D;
}
.page-contact .contact-hero__media {
  margin: 0;
  background: var(--rock);
  border: var(--bw) solid var(--ink);
  box-shadow: 10px 10px 0 0 var(--clay);
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}
.page-contact .media-frame__cap {
  display: block;
  padding: 9px 14px;
  background: var(--ink);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

/* ---------- 三张联系卡片 ---------- */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
  margin: clamp(32px, 5vw, 58px) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .ccard {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-2);
  color: var(--silver);
  border: var(--bw) solid var(--silver);
  box-shadow: var(--pc-shadow);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}
.page-contact .ccard:hover,
.page-contact .ccard:focus-within {
  border-color: var(--green);
  box-shadow: 8px 8px 0 0 var(--deep-green);
  transform: translate(-2px, -2px);
}
.page-contact .ccard__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green);
}
.page-contact .ccard__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: #EDEFEA;
}
.page-contact .ccard__value {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--green);
  overflow-wrap: anywhere;
}
.page-contact .ccard__value--sm {
  font-size: clamp(13.5px, 1.5vw, 15px);
  line-height: 1.7;
  color: var(--clay);
}
.page-contact .ccard__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: #A9B0AA;
}
.page-contact .ccard__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--rock);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cold);
}
.page-contact .ccard .btn--ghost {
  margin-top: 16px;
  padding: 8px 15px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--silver);
  background: transparent;
  border: var(--bw) solid var(--cold);
  cursor: pointer;
  transition: border-color .16s var(--ease), color .16s var(--ease), background-color .16s var(--ease);
}
.page-contact .ccard .btn--ghost:hover,
.page-contact .ccard .btn--ghost:focus-visible {
  border-color: var(--green);
  color: var(--ink);
  background: var(--green);
}

/* ---------- 工单流程 ---------- */
.page-contact .contact-flow {
  background: var(--ink);
  background-image:
    linear-gradient(rgba(198, 204, 199, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 204, 199, .05) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px;
}
.page-contact .flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .flow__step {
  padding: clamp(18px, 2.3vw, 26px);
  background: var(--ink-2);
  border: var(--bw) solid var(--rock);
  border-left: 6px solid var(--orange);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.page-contact .flow__step:hover {
  border-color: var(--green);
  border-left-color: var(--green);
  box-shadow: 6px 6px 0 0 var(--deep-green);
}
.page-contact .flow__idx {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--orange);
}
.page-contact .flow__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: #EDEFEA;
}
.page-contact .flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: #A9B0AA;
}
.page-contact .flow__extra {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--rock);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--cold);
}
.page-contact .contact-flow__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: var(--bw) solid var(--rock);
  background: var(--rock);
}
.page-contact .contact-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-contact .contact-flow__media .media-frame__cap {
  background: var(--rock);
  color: var(--silver);
}

/* ---------- 商务与资料合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}
.page-contact .partner {
  padding: clamp(18px, 2.2vw, 26px);
  border: var(--bw) solid var(--ink);
  background: var(--ink-2);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.page-contact .partner:hover {
  border-color: var(--green);
  transform: translateY(-3px);
}
.page-contact .partner__no {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange);
}
.page-contact .partner__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: #EDEFEA;
}
.page-contact .partner__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: #A9B0AA;
}
.page-contact .partner__note {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 16px 20px;
  border-left: 6px solid var(--green);
  background: var(--ink);
  font-size: 13.5px;
  line-height: 1.78;
  color: #A9B0AA;
}

/* ---------- 需求分流速查 ---------- */
.page-contact .tabs {
  margin-top: clamp(4px, 1vw, 10px);
}
.page-contact .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  padding-bottom: 0;
  border-bottom: var(--bw) solid var(--ink);
}
.page-contact .tabs__btn {
  padding: 10px 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--ink);
  background: transparent;
  border: var(--bw) solid var(--ink);
  border-bottom: none;
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.page-contact .tabs__btn:hover {
  background: var(--clay);
}
.page-contact .tabs__btn[aria-selected="true"] {
  background: var(--ink);
  color: var(--green);
}
.page-contact .tabs__btn[aria-selected="true"]:hover {
  background: var(--ink);
}
.page-contact .tabs__panel:focus-visible {
  outline: 2px solid var(--deep-green);
  outline-offset: 4px;
}
.page-contact .ask-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .ask-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-line);
  transition: background-color .16s var(--ease);
}
.page-contact .ask-list li:first-child {
  border-top: 1px solid var(--pc-line);
}
.page-contact .ask-list li:hover {
  background: rgba(217, 85, 47, .08);
}
.page-contact .ask-q {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}
.page-contact .ask-route {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--deep-green);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--deep-green);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .ask-route:hover,
.page-contact .ask-route:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 备案信息条 ---------- */
.page-contact .reg-bar {
  margin: 0;
  border: var(--bw) solid var(--rock);
  background: var(--ink);
}
.page-contact .reg-bar__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px clamp(16px, 2.4vw, 26px);
  border-bottom: 1px solid var(--rock);
}
.page-contact .reg-bar__row:last-child {
  border-bottom: none;
}
.page-contact .reg-bar__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cold);
}
.page-contact .reg-bar__val {
  margin: 0;
  font-size: clamp(13.5px, 1.6vw, 15px);
  line-height: 1.6;
  color: var(--green);
  overflow-wrap: anywhere;
}
.page-contact .reg-bar__row:nth-child(3) .reg-bar__val {
  color: var(--clay);
}

/* ---------- 交互兜底与焦点 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}
.page-contact .section--paper a:focus-visible,
.page-contact .section--paper button:focus-visible {
  outline-color: var(--deep-green);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .ask-list li {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 26px;
  }
  .page-contact .reg-bar__row {
    grid-template-columns: minmax(140px, 200px) 1fr;
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 820px) {
  .page-contact .flow {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .contact-hero__top {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-cards {
    grid-template-columns: 1.15fr 1fr .95fr;
    align-items: start;
  }
  .page-contact .ccard--b {
    margin-top: 30px;
  }
  .page-contact .ccard--c {
    margin-top: 62px;
  }
}

@media (min-width: 820px) and (hover: hover) {
  .page-contact .flow__extra {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    opacity: 0;
    overflow: hidden;
    transition: max-height .2s var(--ease), opacity .18s var(--ease),
                margin-top .2s var(--ease), padding-top .2s var(--ease);
  }
  .page-contact .flow__step:hover .flow__extra,
  .page-contact .flow__step:focus-within .flow__extra {
    max-height: 180px;
    margin-top: 12px;
    padding-top: 10px;
    border-top-color: var(--rock);
    opacity: 1;
  }
}

@media (min-width: 1100px) {
  .page-contact .reg-bar__val {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .01ms !important;
  }
}
<<<END>>>