.page-contact {
  --contact-pad: clamp(18px, 4vw, 40px);
  --contact-gap: clamp(16px, 2.6vw, 28px);
  --contact-edge: rgba(44, 74, 85, 0.62);
  color: var(--ice);
  background: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .container {
  padding-left: var(--contact-pad);
  padding-right: var(--contact-pad);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 26px) 0 clamp(38px, 6vw, 72px);
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(23, 21, 46, 0.95), transparent 62%),
    linear-gradient(200deg, var(--teal) 0%, var(--ink) 58%);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 12% -14% auto 38%;
  height: clamp(180px, 26vw, 320px);
  background: linear-gradient(115deg, rgba(56, 232, 216, 0.16), rgba(255, 180, 84, 0.06) 62%, transparent);
  clip-path: polygon(0 0, 100% 16%, 100% 100%, 0 80%);
  transform: rotate(-3deg);
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(58vw, 620px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber));
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .contact-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-contact .contact-hero__pulse {
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 0 5px rgba(56, 232, 216, 0.14);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(36px, 7.4vw, 84px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-contact .contact-hero__text {
  margin: 0 0 26px;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--contact-edge);
  background:
    linear-gradient(158deg, rgba(255, 180, 84, 0.16) 0%, rgba(11, 43, 51, 0.94) 52%, var(--ink-soft) 100%);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .contact-hero__version {
  margin: 14px 0 2px;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5.2vw, 44px);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--amber);
  line-height: 1.1;
}

.page-contact .contact-hero__build {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--steel);
}

.page-contact .contact-hero__facts {
  margin: 0;
  display: grid;
  gap: 10px;
  border-top: 1px dashed var(--contact-edge);
  padding-top: 16px;
}

.page-contact .contact-hero__fact {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.page-contact .contact-hero__fact dt {
  color: var(--steel);
  white-space: nowrap;
}

.page-contact .contact-hero__fact dd {
  margin: 0;
  text-align: right;
  color: var(--ice);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-channels,
.page-contact .contact-checklist,
.page-contact .contact-consult,
.page-contact .contact-partner,
.page-contact .contact-locator,
.page-contact .contact-followup {
  padding: clamp(42px, 7vw, 88px) 0;
  position: relative;
}

.page-contact .contact-channels { background: var(--ink); }
.page-contact .contact-checklist { background: linear-gradient(180deg, var(--ink) 0%, var(--teal) 100%); }
.page-contact .contact-consult { background: var(--teal); }
.page-contact .contact-partner { background: linear-gradient(180deg, var(--indigo) 0%, var(--ink) 88%); }
.page-contact .contact-locator { background: var(--wine); }
.page-contact .contact-followup { background: var(--ink); }

.page-contact h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .contact-channels__head {
  display: grid;
  gap: 12px;
  margin: 18px 0 clamp(24px, 4vw, 40px);
  max-width: 62ch;
}

.page-contact .contact-channels__intro {
  margin: 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .contact-channels__list {
  display: grid;
  gap: 14px;
}

.page-contact .contact-plate {
  position: relative;
  padding: 20px 22px;
  border: 1px solid var(--contact-edge);
  background: linear-gradient(120deg, rgba(11, 43, 51, 0.9), rgba(7, 20, 31, 0.85));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform 180ms ease, border-color 180ms ease;
}

.page-contact .contact-plate:nth-child(2) { margin-left: clamp(0px, 3vw, 26px); }
.page-contact .contact-plate:nth-child(3) { margin-right: clamp(0px, 3vw, 26px); }

.page-contact .contact-plate--amber { border-left: 3px solid var(--amber); }
.page-contact .contact-plate--cyan { border-left: 3px solid var(--cyan); }

.page-contact .contact-plate__key {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-plate__val {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.6vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .contact-plate--amber .contact-plate__val { color: var(--amber); }
.page-contact .contact-plate--cyan .contact-plate__val { color: var(--cyan); }

.page-contact .contact-plate__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .contact-channels__media img,
.page-contact .contact-checklist__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 02 信息清单 ---------- */
.page-contact .contact-checklist__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: 18px;
}

.page-contact .contact-checklist__lead {
  margin: 0 0 20px;
  max-width: 46ch;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .contact-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-check__item {
  position: relative;
  border: 1px solid var(--contact-edge);
  background: rgba(7, 20, 31, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color 160ms ease, background 160ms ease;
}

.page-contact .contact-check__box {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .contact-check__label {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
}

.page-contact .contact-check__box:checked + .contact-check__label + * {
  color: inherit;
}

.page-contact .contact-check__item:has(.contact-check__box:checked) {
  border-color: rgba(255, 180, 84, 0.7);
  background: rgba(255, 180, 84, 0.08);
}

.page-contact .contact-check__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--contact-edge);
  background: rgba(56, 232, 216, 0.06);
}

.page-contact .contact-check__box:checked + .contact-check__label .contact-check__mark {
  background: var(--amber);
  border-color: var(--amber);
}

.page-contact .contact-check__box:checked + .contact-check__label .contact-check__mark::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 6px;
  height: 12px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}

.page-contact .contact-check__box:focus-visible + .contact-check__label {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-check__body {
  display: grid;
  gap: 4px;
}

.page-contact .contact-check__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ice);
}

.page-contact .contact-check__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .contact-check__hint .mono {
  color: var(--cyan);
  font-size: 12.5px;
}

.page-contact .contact-checklist__media {
  margin: 0;
  align-self: start;
}

/* ---------- 03 版本与适配 ---------- */
.page-contact .contact-consult__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-top: 18px;
}

.page-contact .contact-consult__lead p {
  margin: 0 0 16px;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .contact-consult__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .contact-consult__templates {
  display: grid;
  gap: 14px;
}

.page-contact .contact-template {
  position: relative;
  padding: 18px 20px 20px 24px;
  border: 1px solid var(--contact-edge);
  background: linear-gradient(115deg, rgba(7, 20, 31, 0.94), rgba(23, 21, 46, 0.72));
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .contact-template::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: var(--cyan);
}

.page-contact .contact-template__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-template__subject {
  margin: 0 0 10px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ice);
  background: rgba(56, 232, 216, 0.08);
  border: 1px dashed rgba(56, 232, 216, 0.32);
  word-break: break-word;
}

.page-contact .contact-template__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .contact-consult__note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  border-top: 1px solid var(--contact-edge);
  padding-top: 14px;
}

/* ---------- 04 合作与反馈 ---------- */
.page-contact .contact-partner__head {
  max-width: 60ch;
  margin: 18px 0 clamp(22px, 4vw, 36px);
}

.page-contact .contact-partner__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .contact-partner__grid {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
}

.page-contact .contact-partner__card {
  padding: 22px;
  border: 1px solid var(--contact-edge);
  background: rgba(7, 20, 31, 0.6);
  clip-path: polygon(16px 0, 100% 0, 100% 100%, 0 100%, 0 16px);
}

.page-contact .contact-partner__card--cyan { border-top: 2px solid var(--cyan); }
.page-contact .contact-partner__card--magenta { border-top: 2px solid var(--magenta); }

.page-contact .contact-partner__key {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-partner__card--cyan .contact-partner__key { color: var(--cyan); }
.page-contact .contact-partner__card--magenta .contact-partner__key { color: var(--magenta); }

.page-contact .contact-partner__subject {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .contact-partner__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 05 地址 ---------- */
.page-contact .contact-locator__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: 20px;
}

.page-contact .contact-locator__canvas {
  position: relative;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255, 180, 84, 0.28);
  background:
    linear-gradient(rgba(255, 180, 84, 0.12) 1px, transparent 1px) 0 0 / 100% 38px,
    linear-gradient(90deg, rgba(255, 180, 84, 0.12) 1px, transparent 1px) 0 0 / 38px 100%,
    radial-gradient(circle at 60% 46%, rgba(255, 180, 84, 0.16), transparent 58%),
    var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-contact .contact-locator__ring {
  position: absolute;
  left: 60%;
  top: 46%;
  width: 120px;
  height: 120px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 180, 84, 0.3);
  border-radius: 50%;
}

.page-contact .contact-locator__pin {
  position: absolute;
  left: 60%;
  top: 46%;
  width: 13px;
  height: 13px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--amber);
  box-shadow: 0 0 0 9px rgba(255, 180, 84, 0.14), 0 0 0 20px rgba(255, 180, 84, 0.06);
}

.page-contact .contact-locator__tag {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  color: var(--ice);
  background: rgba(7, 20, 31, 0.82);
  border: 1px solid rgba(255, 180, 84, 0.34);
}

.page-contact .contact-locator__tag--a { left: 8%; top: 16%; }
.page-contact .contact-locator__tag--b { right: 10%; top: 30%; }
.page-contact .contact-locator__tag--c { left: 40%; bottom: 14%; }

.page-contact .contact-locator__address {
  margin: 0 0 16px;
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--amber);
}

.page-contact .contact-locator__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-locator__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .contact-locator__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 06 回复与回访 ---------- */
.page-contact .contact-followup__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: 20px;
}

.page-contact .contact-followup__lead p {
  margin: 0 0 16px;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .contact-followup__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .contact-followup__panel {
  border: 1px solid var(--contact-edge);
  background: linear-gradient(160deg, rgba(11, 43, 51, 0.9), rgba(7, 20, 31, 0.92));
}

.page-contact .contact-followup__panel-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

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

.page-contact .contact-followup__list li {
  display: grid;
  gap: 3px;
  border-bottom: 1px dashed var(--contact-edge);
  padding-bottom: 12px;
}

.page-contact .contact-followup__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-followup__link {
  color: var(--ice);
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 216, 0.4);
  justify-self: start;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-contact .contact-followup__link:hover,
.page-contact .contact-followup__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-followup__meta {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.82fr);
    align-items: end;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .contact-channels__media {
    margin-top: clamp(0px, 3vw, 40px);
  }

  .page-contact .contact-checklist__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .contact-consult__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-contact .contact-consult__templates {
    margin-top: -32px;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-partner__card:nth-child(2) { margin-top: 22px; }
  .page-contact .contact-partner__card:nth-child(3) { margin-top: 44px; }

  .page-contact .contact-locator__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .contact-followup__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-followup__side {
    margin-top: 34px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__card {
    margin-right: -28px;
  }

  .page-contact .contact-channels__media {
    margin-left: clamp(0px, 2vw, 24px);
  }
}

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