.page-contact {
  --contact-panel: #0b1b2b;
  --contact-panel-lift: #0f2537;
  --contact-hair: rgba(45, 67, 92, .85);
  background: var(--night);
  color: var(--sand);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .section {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--sand);
  letter-spacing: .01em;
}

/* ============ 首屏 ============ */

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(20px, 3vw, 34px);
  background:
    linear-gradient(158deg, rgba(18, 57, 92, .62) 0%, rgba(8, 20, 33, 0) 64%),
    var(--night);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(45, 67, 92, .5) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(to bottom, rgba(45, 67, 92, .34) 0 1px, transparent 1px 84px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 86%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 86%);
  pointer-events: none;
}

.page-contact .contact-hero .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact h1 {
  font-size: clamp(33px, 6.2vw, 60px);
  line-height: 1.06;
  margin: 0 0 18px;
  max-width: 15em;
}

.page-contact h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--ochre), var(--ochre-lit));
}

.page-contact .contact-hero__lead {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: #cdd9e5;
  max-width: 40em;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--contact-hair);
}

.page-contact .contact-hero__figure .media__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ============ 联系台：左渠道 / 右方向 ============ */

.page-contact .contact-desk {
  position: relative;
  background:
    linear-gradient(200deg, rgba(18, 57, 92, .38) 0%, rgba(14, 30, 48, 0) 55%),
    var(--board);
  border-top: 1px solid var(--contact-hair);
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-desk__grid {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

.page-contact .contact-channels {
  position: relative;
  padding: clamp(22px, 3.2vw, 32px);
  background: linear-gradient(158deg, rgba(18, 57, 92, .58), rgba(11, 27, 43, .94));
  border: 1px solid var(--contact-hair);
  border-left: 3px solid var(--ochre);
}

.page-contact .contact-channels::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 46px;
  height: 46px;
  background: linear-gradient(225deg, var(--night) 0 50%, transparent 50%);
  pointer-events: none;
}

.page-contact .contact-channels__title {
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.2;
  margin: 10px 0 12px;
}

.page-contact .contact-channels__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-channels__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-contact .contact-channels__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-channels__row:first-child {
  border-top: 0;
  padding-top: 20px;
}

.page-contact .contact-channels__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-contact .contact-channels__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 4vw, 27px);
  line-height: 1.25;
  color: var(--sand);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-channels__value--mail {
  font-size: clamp(16px, 3.4vw, 24px);
  color: var(--pulse);
}

.page-contact .contact-channels__value--plain {
  color: #dce6f0;
}

.page-contact a.contact-channels__value:hover,
.page-contact a.contact-channels__value:focus-visible {
  color: var(--ochre-lit);
  border-bottom-color: var(--ochre-lit);
}

.page-contact .contact-channels__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--contact-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-channels__foot a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 242, 198, .45);
}

.page-contact .contact-tracks__title {
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.18;
  margin: 10px 0 10px;
}

.page-contact .contact-tracks__lead {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-contact .track {
  position: relative;
  padding: clamp(20px, 2.6vw, 26px);
  padding-left: clamp(22px, 3vw, 30px);
  background: var(--contact-panel);
  border: 1px solid var(--contact-hair);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .track::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--ochre), var(--ochre-lit));
}

.page-contact .track:nth-child(2)::before {
  background: linear-gradient(180deg, var(--pulse), rgba(50, 242, 198, .2));
}

.page-contact .track:nth-child(3)::before {
  background: linear-gradient(180deg, var(--gold), rgba(230, 185, 120, .2));
}

.page-contact .track:hover,
.page-contact .track:focus-within {
  background: var(--contact-panel-lift);
  border-color: rgba(50, 242, 198, .42);
  transform: translateX(3px);
}

.page-contact .track__title {
  font-size: clamp(18px, 2.3vw, 22px);
  line-height: 1.3;
  margin: 12px 0 10px;
}

.page-contact .track__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #c4d2e0;
}

.page-contact .track__ask {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--contact-hair);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-contact .track:hover .track__ask,
.page-contact .track:focus-within .track__ask {
  color: #d5e1ed;
}

/* ============ 联系流程 ============ */

.page-contact .contact-flow {
  position: relative;
  background: var(--night);
}

.page-contact .contact-flow__head {
  margin-bottom: clamp(26px, 3.6vw, 40px);
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .flow__step {
  padding: clamp(18px, 2.4vw, 24px);
  background: rgba(14, 30, 48, .7);
  border: 1px solid var(--contact-hair);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .flow__step:hover {
  background: var(--contact-panel-lift);
  border-color: rgba(50, 242, 198, .38);
}

.page-contact .flow__rule {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .flow__rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(166, 61, 43, .9), rgba(45, 67, 92, .3));
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--pulse);
  padding: 3px 8px;
  border: 1px solid rgba(50, 242, 198, .42);
}

.page-contact .flow__title {
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-contact .flow__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: #c4d2e0;
}

.page-contact .flow__meta {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .contact-flow__figure {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  border: 1px solid var(--contact-hair);
}

.page-contact .contact-flow__figure .media__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ============ 用户支持 ============ */

.page-contact .contact-help {
  background:
    linear-gradient(176deg, rgba(18, 57, 92, .92) 0%, rgba(8, 20, 33, .96) 100%);
  border-top: 1px solid var(--contact-hair);
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-help__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-contact .contact-help__intro h2 {
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.2;
  margin: 10px 0 12px;
}

.page-contact .contact-help__lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: #c9d7e4;
  max-width: 34em;
}

.page-contact .help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .help-item {
  padding: 18px;
  background: rgba(8, 20, 33, .55);
  border: 1px solid var(--contact-hair);
  border-top: 2px solid var(--ochre);
}

.page-contact .help-item:nth-child(2) {
  border-top-color: var(--pulse);
}

.page-contact .help-item:nth-child(3) {
  border-top-color: var(--gold);
}

.page-contact .help-item__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .help-item__title {
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.35;
  margin: 8px 0 8px;
}

.page-contact .help-item__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #bccbda;
}

/* ============ 服务范围 ============ */

.page-contact .contact-scope {
  background:
    linear-gradient(90deg, rgba(166, 61, 43, .16) 0%, rgba(8, 20, 33, 0) 42%),
    var(--night);
}

.page-contact .contact-scope__head {
  max-width: 42em;
  margin-bottom: clamp(24px, 3.2vw, 34px);
}

.page-contact .contact-scope__head h2 {
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.2;
  margin: 10px 0 10px;
}

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

.page-contact .scope-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--contact-hair);
  border: 1px solid var(--contact-hair);
}

.page-contact .scope {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--board);
}

.page-contact .scope__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5.4vw, 42px);
  font-weight: 600;
  line-height: 1;
  color: var(--pulse);
}

.page-contact .scope__label {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-scope__foot {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 52em;
}

.page-contact .contact-scope__foot a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid var(--ochre-lit);
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-scope__foot a:hover,
.page-contact .contact-scope__foot a:focus-visible {
  color: var(--pulse);
}

/* ============ 媒体查询 ============ */

@media (min-width: 620px) {
  .page-contact .help-list {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

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

@media (min-width: 880px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
    gap: clamp(34px, 5vw, 58px);
  }

  .page-contact .contact-hero__figure {
    margin-top: 8px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    gap: clamp(32px, 4.4vw, 60px);
    align-items: start;
  }

  .page-contact .contact-channels {
    position: sticky;
    top: 92px;
  }

  .page-contact .contact-help__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: clamp(28px, 4vw, 54px);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .scope-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .track,
  .page-contact .flow__step,
  .page-contact .contact-channels__value {
    transition: color var(--dur) linear, background var(--dur) linear, border-color var(--dur) linear;
  }

  .page-contact .track:hover,
  .page-contact .track:focus-within {
    transform: none;
  }
}
<<<END>>>