.page-contact {
  --ct-radius: 0;
}

.page-contact .crumbs {
  padding-top: 16px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grid);
}

.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .crumbs a:hover {
  color: var(--acid);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 14px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--ink);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 50%;
  opacity: .3;
}

.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(96deg, rgba(11, 22, 34, .97) 0%, rgba(11, 22, 34, .84) 46%, rgba(11, 22, 34, .38) 100%);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(38px, 7vw, 82px);
}

.page-contact .ct-hero__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(115deg, transparent 0 34px, rgba(200, 255, 61, .055) 34px 35px);
}

.page-contact .ct-h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 8vw, 66px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--white);
  max-width: 15em;
}

.page-contact .ct-lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(244, 247, 245, .84);
}

.page-contact .ct-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-quick a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--line);
  background: rgba(20, 40, 58, .6);
  color: var(--white);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .ct-quick a:hover {
  border-color: var(--acid);
  color: var(--acid);
}

/* ---------- 通用小标题 ---------- */
.page-contact .ct-head {
  max-width: 42em;
}

.page-contact .ct-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .ct-sub {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 247, 245, .7);
}

/* ---------- 联系卡片 5:4:3 ---------- */
.page-contact .ct-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-top: 26px;
}

.page-contact .ct-card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--line);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-contact .ct-card:hover {
  border-top-color: var(--acid);
  transform: translateY(-2px);
}

.page-contact .ct-card--mail {
  border-top-color: var(--acid);
  background: linear-gradient(178deg, rgba(31, 122, 76, .26) 0%, rgba(20, 40, 58, 1) 62%);
}

.page-contact .ct-card__no {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grid);
}

.page-contact .ct-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: .72;
}

.page-contact .ct-card__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 20px);
  letter-spacing: .02em;
  line-height: 1.35;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-card__value--sm {
  font-family: var(--font-body);
  font-size: 17px;
  letter-spacing: 0;
}

.page-contact .ct-card__meta {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 247, 245, .66);
}

.page-contact .ct-card__tag {
  display: inline-block;
  margin: 16px 0 0;
  padding: 4px 8px;
  border: 1px solid rgba(200, 255, 61, .38);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--acid);
}

.page-contact .ct-fold {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-fold summary {
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--acid);
}

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

.page-contact .ct-fold summary::after {
  content: " +";
}

.page-contact .ct-fold[open] summary::after {
  content: " –";
}

.page-contact .ct-fold p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 247, 245, .72);
}

/* ---------- 问题分诊行 ---------- */
.page-contact .ct-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-row {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
  transition: background-color .18s var(--ease);
}

.page-contact .ct-row__key {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.page-contact .ct-row__no {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--acid);
}

.page-contact .ct-row__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 23px);
  letter-spacing: .01em;
  color: var(--white);
}

.page-contact .ct-row__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 245, .78);
}

.page-contact .ct-link {
  display: inline-block;
  margin-top: 10px;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--acid);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .42);
}

.page-contact .ct-link:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 反馈单 ---------- */
.page-contact .ct-fgrid {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-contact .ct-form {
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
}

.page-contact .ct-form__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: .75;
}

.page-contact .ct-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 18px;
}

.page-contact .ct-field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(244, 247, 245, .62);
}

.page-contact .ct-field input,
.page-contact .ct-field select,
.page-contact .ct-field textarea {
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background-color: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .ct-field textarea {
  resize: vertical;
  min-height: 96px;
}

.page-contact .ct-field select {
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--acid) 50%),
    linear-gradient(135deg, var(--acid) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) 20px,
    calc(100% - 11px) 20px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.page-contact .ct-field select option {
  background: var(--ink-2);
  color: var(--white);
}

.page-contact .ct-field input::placeholder,
.page-contact .ct-field textarea::placeholder {
  color: rgba(244, 247, 245, .34);
}

.page-contact .ct-field input:focus,
.page-contact .ct-field select:focus,
.page-contact .ct-field textarea:focus {
  outline: none;
  border-bottom-color: var(--orange);
  box-shadow: 0 1px 0 0 var(--orange);
}

.page-contact .ct-submit {
  width: 100%;
  margin-top: 24px;
}

.page-contact .ct-form__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(244, 247, 245, .56);
}

.page-contact .ct-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-contact .ct-media {
  margin: 0;
}

.page-contact .ct-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
  border: 1px solid var(--line-soft);
}

.page-contact .ct-tips {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-tips li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 247, 245, .76);
}

.page-contact .ct-tips .num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--acid);
}

/* ---------- 合作 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .ct-stats > div {
  min-width: 86px;
  padding-top: 12px;
  border-top: 2px solid var(--grass);
}

.page-contact .ct-stats dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.2vw, 34px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--acid);
}

.page-contact .ct-stats dd {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(244, 247, 245, .6);
}

.page-contact .ct-block {
  padding: 18px 0 0;
  border-top: 2px solid var(--grass);
}

.page-contact .ct-block + .ct-block {
  margin-top: 26px;
}

.page-contact .ct-block h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: .01em;
  color: var(--white);
}

.page-contact .ct-block p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 247, 245, .78);
}

/* ---------- 备案与地址 ---------- */
.page-contact .ct-legal {
  margin-top: clamp(44px, 6vw, 88px);
  padding-block: clamp(36px, 5vw, 64px);
  background: var(--mist);
  color: var(--ink);
  border-top: 4px solid var(--acid);
}

.page-contact .ct-legal__grid {
  display: grid;
  gap: 28px;
}

.page-contact .ct-legal .eyebrow {
  color: var(--grass-deep);
}

.page-contact .ct-legal .ct-h2 {
  color: var(--ink);
  font-size: clamp(22px, 4vw, 34px);
}

.page-contact .ct-legal__text {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(11, 22, 34, .78);
}

.page-contact .ct-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 20px 0 0;
}

.page-contact .ct-legal__links a {
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--grass);
}

.page-contact .ct-legal__links a:hover {
  border-bottom-color: var(--orange);
}

.page-contact .ct-legal__dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-contact .ct-legal__dl > div {
  padding-top: 10px;
  border-top: 1px solid rgba(11, 22, 34, .18);
}

.page-contact .ct-legal__dl dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(11, 22, 34, .55);
}

.page-contact .ct-legal__dl dd {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-legal__dl dd.num {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-field select {
    background-position:
      calc(100% - 16px) 21px,
      calc(100% - 11px) 21px;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-cards {
    grid-template-columns: 5fr 4fr 3fr;
  }

  .page-contact .ct-row {
    grid-template-columns: minmax(190px, 3fr) 9fr;
    gap: 36px;
    align-items: start;
  }

  .page-contact .ct-row:hover .ct-row__title {
    color: var(--acid);
  }

  .page-contact .ct-legal__grid {
    grid-template-columns: 6fr 6fr;
    gap: 48px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-fgrid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: 4fr 8fr;
    gap: 52px;
  }

  .page-contact .ct-submit {
    width: auto;
    min-width: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-quick a,
  .page-contact .ct-field input,
  .page-contact .ct-field select,
  .page-contact .ct-field textarea {
    transition: none;
  }

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