.page-contact {
  --pc-line: rgba(174, 187, 199, .24);
  --pc-line-soft: rgba(174, 187, 199, .12);
  --pc-card: #0F2436;
  --pc-card-hover: #12293C;
  --pc-ink-text: #24333F;
  --pc-ink-soft: #4E5F6B;
  background: var(--ink);
  color: var(--text);
}

.page-contact .pc-band {
  position: relative;
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-contact .pc-band--paper {
  background: var(--paper);
  color: var(--pc-ink-text);
}

.page-contact .pc-band--deep {
  background: var(--deep);
}

.page-contact .pc-band--ink2 {
  background: var(--ink-2);
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .pc-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .pc-head p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .pc-band--paper .pc-head h2 {
  color: var(--ink);
}

.page-contact .pc-band--paper .pc-head p {
  color: var(--pc-ink-soft);
}

.page-contact .pc-band--paper .eyebrow {
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(96px, 14vw, 150px) 0 clamp(46px, 7vw, 84px);
  background:
    radial-gradient(120% 90% at 92% 2%, rgba(35, 211, 199, .13), transparent 55%),
    radial-gradient(90% 70% at 0% 100%, rgba(122, 108, 255, .12), transparent 60%),
    var(--ink);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pc-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-line-soft) 1px, transparent 1px);
  background-size: 78px 78px;
  -webkit-mask-image: radial-gradient(75% 70% at 62% 26%, #000 0%, transparent 78%);
  mask-image: radial-gradient(75% 70% at 62% 26%, #000 0%, transparent 78%);
  pointer-events: none;
}

.page-contact .pc-hero__arc {
  position: absolute;
  top: -150px;
  right: -130px;
  width: min(660px, 88vw);
  height: auto;
  opacity: .75;
  pointer-events: none;
  z-index: 0;
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .pc-hero .breadcrumbs a,
.page-contact .pc-hero .breadcrumbs li {
  color: var(--slate);
}

.page-contact .pc-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-contact .pc-hero__intro {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-direct {
  margin-top: clamp(26px, 4vw, 38px);
  display: grid;
  gap: 1px;
  background: var(--pc-line-soft);
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .pc-direct__cell {
  display: block;
  padding: 18px 20px;
  background: var(--pc-card);
  transition: background var(--t) var(--ease);
}

.page-contact .pc-direct__cell:hover {
  background: var(--pc-card-hover);
}

.page-contact .pc-direct__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-contact .pc-direct__v {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.1vw, 17px);
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-hero__aside {
  position: relative;
}

.page-contact .pc-hero__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  background: var(--ink-2);
}

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

.page-contact .pc-tick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 14px 0 0;
  padding: 12px 16px;
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--r-sm);
  background: rgba(19, 42, 61, .6);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-contact .pc-tick__val {
  color: var(--cyan);
}

/* ---------- 通道面板 ---------- */
.page-contact .pc-channels {
  padding-top: clamp(46px, 7vw, 88px);
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-channels__grid {
  align-items: start;
}

.page-contact .pc-chan {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  background: var(--pc-card);
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-contact .pc-chan:hover {
  border-color: rgba(35, 211, 199, .45);
  background: var(--pc-card-hover);
  transform: translateY(-2px);
}

.page-contact .pc-chan--hot::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: var(--r-md) var(--r-md) 0 0;
  background: linear-gradient(90deg, var(--cyan), rgba(35, 211, 199, 0) 72%);
}

.page-contact .pc-chan__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-contact .pc-chan h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .pc-chan__value {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.9vw, 18px);
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-chan__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .pc-chan-pair {
  display: grid;
  gap: 18px;
}

/* ---------- 技术反馈 ---------- */
.page-contact .pc-fb {
  align-items: start;
}

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

.page-contact .pc-checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid rgba(11, 27, 43, .12);
  border-radius: var(--r-sm);
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-contact .pc-checklist li:hover {
  border-color: rgba(35, 211, 199, .7);
  box-shadow: 0 0 0 3px rgba(35, 211, 199, .12);
}

.page-contact .pc-checklist__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--pale);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

.page-contact .pc-checklist__t {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .pc-checklist__d {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-ink-soft);
}

.page-contact .pc-template {
  border: 1px solid rgba(11, 27, 43, .16);
  border-radius: var(--r-sm);
  background: var(--pale);
  overflow: hidden;
}

.page-contact .pc-template summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
}

.page-contact .pc-template summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-template summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--slate);
}

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

.page-contact .pc-template__body {
  margin: 0;
  padding: 18px;
  border-top: 1px dashed rgba(11, 27, 43, .2);
  background: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--pc-ink-soft);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .pc-note {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 138, 61, .08);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-contact .pc-note__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: #B4551C;
}

.page-contact .pc-note p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--pc-ink-soft);
}

/* ---------- 服务时段 ---------- */
.page-contact .pc-hours {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-hours li {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-hours__when {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .pc-hours__what {
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 地址与地区 ---------- */
.page-contact .pc-addr {
  align-items: center;
}

.page-contact .pc-addr__media {
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  background: var(--ink);
}

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

.page-contact .pc-addr__block {
  margin-top: 20px;
  padding: 18px 22px;
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-sm);
  background: rgba(11, 27, 43, .5);
}

.page-contact .pc-addr__block .pc-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-contact .pc-addr__block .pc-v {
  display: block;
  margin-top: 8px;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.72;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 合作与纠错 ---------- */
.page-contact .pc-collab {
  align-items: start;
}

.page-contact .pc-collab__card {
  padding: 24px;
  background: #fff;
  border: 1px solid rgba(11, 27, 43, .12);
  border-radius: var(--r-md);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-contact .pc-collab__card:hover {
  border-color: rgba(35, 211, 199, .65);
  transform: translateY(-2px);
}

.page-contact .pc-collab__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-contact .pc-collab__card h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .pc-collab__card p:last-child {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--pc-ink-soft);
}

/* ---------- 收尾 ---------- */
.page-contact .pc-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 58px) clamp(22px, 4vw, 48px);
  border: 1px solid var(--pc-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(100% 150% at 100% 0%, rgba(122, 108, 255, .24), transparent 62%),
    linear-gradient(135deg, #0C2133, var(--deep));
}

.page-contact .pc-cta h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .pc-cta p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .pc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .pc-cta__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact .pc-cta__meta a {
  color: var(--mist);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(174, 187, 199, .35);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .pc-direct {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 780px) {
  .page-contact .pc-hours li {
    grid-template-columns: 190px 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 20px 0;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: 1.18fr .82fr;
    align-items: start;
  }

  .page-contact .pc-chan-pair .pc-chan:last-child {
    margin-left: 18px;
  }

  .page-contact .pc-collab__card:nth-child(2) {
    margin-top: 28px;
  }

  .page-contact .pc-collab__card:nth-child(3) {
    margin-top: 14px;
  }
}

@media (max-width: 899px) {
  .page-contact .pc-hero__arc {
    top: -110px;
    right: -170px;
    opacity: .5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-chan,
  .page-contact .pc-collab__card,
  .page-contact .pc-checklist li,
  .page-contact .pc-direct__cell {
    transition: none;
  }

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