.page-contact {
  --pc-gap: clamp(18px, 2.6vw, 34px);
  --pc-panel: rgba(10, 31, 51, .68);
  --pc-grid: rgba(30, 58, 82, .34);
  --pc-lift: 0px;
  background-color: var(--ink-900);
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(40px, 6vw, 84px);
  overflow-x: hidden;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-head);
  letter-spacing: -.01em;
  line-height: 1.24;
  margin: 0;
}

.page-contact h1 {
  font-size: clamp(1.72rem, 5vw, 2.6rem);
  font-weight: 800;
  margin-top: 12px;
}

.page-contact h2 {
  font-size: clamp(1.32rem, 3.4vw, 1.86rem);
  font-weight: 700;
  margin-top: 8px;
}

.page-contact h3 {
  font-size: clamp(1.02rem, 2.2vw, 1.16rem);
  font-weight: 700;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(32, 227, 210, .38);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-contact a.btn {
  border-bottom: 0;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(20px, 4vw, 44px) clamp(38px, 6vw, 76px);
  border-bottom: 1px solid var(--line-soft);
  background-image:
    linear-gradient(var(--pc-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid) 1px, transparent 1px);
  background-size: 68px 68px;
  background-position: -1px -1px;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hero__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--ice);
  opacity: .88;
  font-size: clamp(.95rem, 2.2vw, 1.04rem);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 32px);
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__facts .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 14px;
  border-left: 2px solid var(--line-dim);
}

.page-contact .contact-hero__facts .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.6vw, 1.22rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.3;
}

.page-contact .contact-hero__facts .stat__label {
  font-size: .78rem;
  color: var(--mist);
  line-height: 1.5;
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-700));
  box-shadow: 0 22px 46px -32px rgba(0, 0, 0, .9);
}

.page-contact .contact-hero__visual::before,
.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--cyan);
  pointer-events: none;
}

.page-contact .contact-hero__visual::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .contact-hero__visual::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .contact-hero__visual img {
  width: 100%;
  border-radius: var(--radius-s);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .contact-hero__caption {
  margin-top: 10px;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--mist);
}

/* 区块骨架 */
.page-contact .contact-section {
  padding-block: clamp(38px, 6vw, 76px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-section--alt {
  background: linear-gradient(180deg, rgba(10, 31, 51, .52), transparent 78%);
}

.page-contact .contact-section__intro {
  margin: 14px 0 0;
  max-width: 66ch;
  color: var(--mist);
  font-size: clamp(.92rem, 2.1vw, 1rem);
}

/* 三条入口 */
.page-contact .channels__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(24px, 4vw, 42px);
  grid-template-columns: 1fr;
}

.page-contact .chan {
  --accent: var(--cyan);
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-m);
  background: var(--pc-panel);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .chan--phone {
  --accent: var(--orange);
}

.page-contact .chan--mail {
  --accent: var(--cyan);
}

.page-contact .chan--addr {
  --accent: var(--violet);
}

.page-contact .chan:hover {
  transform: translateY(-4px);
  border-color: var(--line-dim);
  box-shadow: 0 26px 48px -34px rgba(0, 0, 0, .95);
}

.page-contact .chan__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .chan__title {
  color: var(--ice);
  font-size: 1rem;
  letter-spacing: .04em;
}

.page-contact .chan__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.8vw, 1.24rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--accent);
  word-break: break-word;
}

.page-contact .chan__for {
  margin: 0 0 14px;
  font-size: .9rem;
  color: var(--ice);
  opacity: .84;
}

.page-contact .chan__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .chan__list li {
  position: relative;
  padding-left: 16px;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .chan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent);
  opacity: .8;
}

.page-contact .chan__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 准备清单 */
.page-contact .prep__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(24px, 4vw, 42px);
  grid-template-columns: 1fr;
}

.page-contact .prep__list {
  display: grid;
  gap: 12px;
}

.page-contact .prep-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--pc-panel);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .prep-item[open] {
  border-color: var(--line-dim);
}

.page-contact .prep-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px clamp(16px, 2.6vw, 22px);
  cursor: pointer;
  list-style: none;
  position: relative;
}

.page-contact .prep-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-item__summary::after {
  content: "+";
  position: absolute;
  right: clamp(16px, 2.6vw, 22px);
  top: 14px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-contact .prep-item[open] .prep-item__summary::after {
  content: "–";
}

.page-contact .prep-item__type {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .98rem;
  color: var(--ice);
}

.page-contact .prep-item__hint {
  font-size: .78rem;
  color: var(--mist);
}

.page-contact .prep-item__body {
  padding: 0 clamp(16px, 2.6vw, 22px) 18px;
}

.page-contact .prep-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  counter-reset: prepstep;
}

.page-contact .prep-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--ice);
  opacity: .86;
}

.page-contact .prep-steps__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--cyan);
  border-radius: var(--radius-s);
  text-align: center;
  padding: 1px 0;
  line-height: 1.8;
}

.page-contact .prep__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .prep__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-800);
}

.page-contact .prep__figure img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-contact .prep__tip {
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px dashed var(--line-dim);
  border-radius: var(--radius-m);
  background: rgba(32, 227, 210, .05);
}

.page-contact .prep__tip h3 {
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-contact .prep__tip p {
  margin: 0 0 10px;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .prep__tip p:last-child {
  margin-bottom: 0;
}

/* 合作 */
.page-contact .coop__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(24px, 4vw, 42px);
  grid-template-columns: 1fr;
}

.page-contact .coop__card {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--pc-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop__card:hover {
  border-color: var(--violet);
  transform: translateY(-3px);
}

.page-contact .coop__card--lead {
  background:
    linear-gradient(150deg, rgba(139, 123, 255, .14), rgba(32, 227, 210, .06) 62%, transparent),
    var(--ink-800);
  border-color: rgba(139, 123, 255, .46);
}

.page-contact .coop__title {
  margin-bottom: 10px;
  color: var(--ice);
}

.page-contact .coop__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .coop-figures {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-contact .coop-figure {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 10px;
  border-left: 2px solid var(--violet);
}

.page-contact .coop-figure__value {
  font-family: var(--font-mono);
  font-size: clamp(.98rem, 2.6vw, 1.2rem);
  font-weight: 700;
  color: var(--ice);
  line-height: 1.3;
}

.page-contact .coop-figure__label {
  font-size: .74rem;
  line-height: 1.5;
  color: var(--mist);
}

/* 时间与回复 */
.page-contact .hours__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(24px, 4vw, 42px);
  grid-template-columns: 1fr;
}

.page-contact .hours__panel {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-m);
  background: var(--pc-panel);
}

.page-contact .hours__panel--call {
  border-left-color: var(--orange);
}

.page-contact .hours__title {
  margin: 12px 0 10px;
  color: var(--ice);
}

.page-contact .hours__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .hours__meter {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  margin-top: 22px;
  height: 26px;
}

.page-contact .hours__tick {
  display: block;
  width: 3px;
  height: 12px;
  background: var(--line-dim);
  border-radius: 1px;
}

.page-contact .hours__tick:nth-child(2) {
  height: 20px;
  background: var(--cyan);
}

.page-contact .hours__tick:nth-child(4) {
  height: 18px;
  background: var(--orange);
}

.page-contact .hours__tick:nth-child(5) {
  height: 8px;
}

.page-contact .hours__foot {
  margin: 18px 0 0;
  max-width: 70ch;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 常见情形 */
.page-contact .scene-list {
  margin-top: clamp(20px, 3.4vw, 34px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .scene-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--dur) var(--ease);
}

.page-contact .scene-row:hover {
  background: rgba(32, 227, 210, .04);
}

.page-contact .scene-row__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .92rem;
  line-height: 1.55;
  color: var(--ice);
}

.page-contact .scene-row__prep {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .scene-row__via {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .scene-row__via a {
  border-bottom: 0;
}

/* 收尾 */
.page-contact .next {
  padding-top: clamp(38px, 6vw, 72px);
}

.page-contact .next__inner {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background:
    radial-gradient(circle at 12% 18%, rgba(32, 227, 210, .16), transparent 52%),
    radial-gradient(circle at 88% 82%, rgba(255, 122, 26, .14), transparent 54%),
    var(--ink-800);
}

.page-contact .next__text h2 {
  margin: 0;
}

.page-contact .next__text p {
  margin: 10px 0 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 键盘焦点 */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

@media (min-width: 640px) {
  .page-contact .scene-row {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.5fr) minmax(0, .6fr);
    align-items: baseline;
    gap: var(--pc-gap);
  }

  .page-contact .scene-row__via {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

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

  .page-contact .chan--mail {
    margin-top: calc(26px + var(--pc-lift));
  }

  .page-contact .chan--addr {
    margin-top: 54px;
  }

  .page-contact .prep__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-contact .coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop__card--lead {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-contact .hours__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .hours__panel--call {
    margin-top: 22px;
  }

  .page-contact .next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .next__links {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__lead {
    font-size: 1.06rem;
  }

  .page-contact .chan__for {
    font-size: .92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan,
  .page-contact .coop__card {
    transition: none;
  }

  .page-contact .chan:hover,
  .page-contact .coop__card:hover {
    transform: none;
  }
}
<<<END>>>