.page-contact {
  --pc-paper-edge: rgba(10, 14, 26, .16);
  --pc-ink-soft: rgba(10, 14, 26, .76);
  --pc-white-soft: rgba(247, 250, 255, .74);
  --pc-white-faint: rgba(247, 250, 255, .58);
  display: block;
  position: relative;
  background:
    radial-gradient(120% 80% at 10% 0%, rgba(57, 232, 214, .10), transparent 55%),
    radial-gradient(100% 70% at 94% 6%, rgba(246, 166, 35, .09), transparent 58%),
    var(--ink-indigo);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 8vw, 96px);
  overflow-x: clip;
}

.page-contact .pc-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
}

.page-contact .pc-hero__text .eyebrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
}

.page-contact h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 9vw, 64px);
  line-height: 1.04;
  letter-spacing: -.015em;
  margin: 12px 0 18px;
}

.page-contact .pc-hero .lead {
  color: var(--pc-white-soft);
  font-size: clamp(15px, 2.5vw, 17px);
  line-height: 1.85;
  max-width: 48ch;
  margin: 0;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-hero__quick {
  margin: 30px 0 0;
  border-top: 1px solid var(--line-cyan);
}

.page-contact .pc-hero__quick-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .pc-hero__quick dt {
  flex: 0 0 auto;
  min-width: 88px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-contact .pc-hero__quick dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 250, 255, .82);
}

.page-contact .media > img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-hero__media {
  margin: 0;
  padding: 10px 10px 0;
  background: var(--midnight);
  border: 1px solid var(--line-cyan);
  box-shadow: var(--shadow);
}

.page-contact .pc-hero__media .media__cap {
  padding: 12px 2px 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--pc-white-faint);
  border-top: 1px dashed var(--line-cyan);
  margin-top: 10px;
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-sechead {
  max-width: 60ch;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-contact .pc-sechead .eyebrow,
.page-contact .pc-scope__intro .eyebrow,
.page-contact .pc-reply__body .eyebrow,
.page-contact .pc-region__body .eyebrow,
.page-contact .pc-prep__body .eyebrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
}

.page-contact h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 6vw, 42px);
  line-height: 1.14;
  letter-spacing: -.015em;
  margin: 10px 0 14px;
}

.page-contact .pc-sechead p,
.page-contact .pc-scope__intro p,
.page-contact .pc-prep__body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-white-soft);
}

/* ---------- 联系渠道卡片 ---------- */
.page-contact .pc-channels__stack {
  display: grid;
  gap: 18px;
}

.page-contact .pc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 22px 24px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--pc-paper-edge);
  box-shadow: 6px 8px 0 rgba(10, 14, 26, .38), var(--shadow);
  transition: transform .24s ease, box-shadow .24s ease;
}

.page-contact .pc-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--cyan);
}

.page-contact .pc-card--phone::before { background: var(--amber); }
.page-contact .pc-card--addr::before { background: var(--ink-indigo); }

.page-contact .pc-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 12px 0 rgba(10, 14, 26, .42), 0 22px 46px rgba(3, 8, 20, .55);
}

.page-contact .pc-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--slate);
}

.page-contact .pc-card__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  margin: 0;
  color: var(--ink);
}

.page-contact .pc-card__val {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.6vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-card__val a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 1px;
}

.page-contact .pc-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

.page-contact .pc-card__act {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
}

.page-contact .pc-card .copybtn {
  color: var(--ink);
  border: 1px solid rgba(10, 14, 26, .3);
  background: transparent;
  border-radius: 2px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.page-contact .pc-card .copybtn:hover {
  background: rgba(10, 14, 26, .07);
  border-color: var(--ink);
  transform: translateY(-1px);
}

.page-contact .pc-card .copy-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: #0a5a52;
}

.page-contact .pc-details {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px dashed rgba(10, 14, 26, .3);
}

.page-contact .pc-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: #0a5a52;
}

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

.page-contact .pc-details summary::after {
  content: "＋";
  margin-left: auto;
  font-size: 14px;
  line-height: 1;
}

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

.page-contact .pc-details p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--pc-ink-soft);
}

/* ---------- 来信咨询范围 ---------- */
.page-contact .pc-scope__grid {
  display: grid;
  gap: 28px;
}

.page-contact .pc-scope__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .pc-scope__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .pc-scope__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-white-soft);
}

/* ---------- 回复时效 ---------- */
.page-contact .pc-reply {
  background: linear-gradient(180deg, rgba(18, 36, 74, .78), rgba(11, 27, 58, .3));
  border-top: 1px solid var(--line-cyan);
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .pc-reply__grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-contact .pc-reply__num {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .pc-reply__digits {
  font-size: clamp(72px, 21vw, 148px);
  font-weight: 700;
  line-height: .84;
  letter-spacing: -.05em;
  color: var(--amber);
  text-shadow: 0 0 42px rgba(246, 166, 35, .28);
}

.page-contact .pc-reply__unit {
  font-size: 14px;
  letter-spacing: .22em;
  color: var(--pc-white-faint);
}

.page-contact .pc-reply__body h2 { margin-top: 8px; }

.page-contact .pc-reply__body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-white-soft);
}

.page-contact .pc-reply__notes {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-reply__notes li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 250, 255, .72);
}

.page-contact .pc-reply__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 华语服务与区域 ---------- */
.page-contact .pc-region__grid {
  display: grid;
  gap: 28px;
}

.page-contact .pc-region__body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-white-soft);
}

.page-contact .pc-region__facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .pc-region__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 250, 255, .76);
}

.page-contact .pc-region__num {
  flex: 0 0 auto;
  min-width: 34px;
  font-size: 19px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .pc-region__figure {
  margin: 0;
  padding: 14px;
  background: rgba(18, 36, 74, .55);
  border: 1px solid var(--line-cyan);
}

.page-contact .pc-region__figure svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .pc-region__cap {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-cyan);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--pc-white-faint);
}

/* ---------- 来信前准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: 30px;
}

.page-contact .pc-prep__media {
  margin: 0;
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--pc-paper-edge);
  box-shadow: var(--shadow);
}

.page-contact .pc-prep__media .media__cap {
  padding: 12px 2px 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(10, 14, 26, .6);
}

.page-contact .pc-prep__steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .pc-prep__steps > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-prep__steps > li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-prep__n {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .pc-prep__steps strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15.5px;
  line-height: 1.5;
  margin-bottom: 5px;
  color: var(--white);
}

.page-contact .pc-prep__steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 250, 255, .72);
}

/* ---------- 延伸链接 ---------- */
.page-contact .pc-more {
  border-top: 1px solid var(--line);
}

.page-contact .pc-more__head {
  font-size: clamp(22px, 4.6vw, 30px);
  margin: 0 0 clamp(20px, 3vw, 30px);
}

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

.page-contact .pc-linkcard {
  display: block;
  padding: 22px 20px;
  text-decoration: none;
  background: rgba(18, 36, 74, .55);
  border: 1px solid var(--line-cyan);
  color: var(--white);
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}

.page-contact .pc-linkcard:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(18, 36, 74, .88);
}

.page-contact .pc-linkcard__t {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--white);
}

.page-contact .pc-linkcard p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(247, 250, 255, .7);
}

.page-contact .pc-linkcard__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .pc-more__note {
  margin: 24px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--pc-white-faint);
}

.page-contact .pc-more__note a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 255, 242, .45);
}

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

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .pc-scope__list > li {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-card {
    padding: 30px 26px 26px;
  }
  .page-contact .pc-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }
  .page-contact .pc-hero__media { margin-top: 6px; }

  .page-contact .pc-channels__stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }
  .page-contact .pc-card:nth-child(2) { margin-top: 30px; }
  .page-contact .pc-card:nth-child(3) { margin-top: 58px; }

  .page-contact .pc-scope__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
  .page-contact .pc-scope__intro { position: sticky; top: 96px; }

  .page-contact .pc-reply__grid {
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(30px, 6vw, 76px);
  }

  .page-contact .pc-region__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: clamp(32px, 6vw, 72px);
    align-items: center;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    gap: clamp(34px, 6vw, 68px);
    align-items: start;
  }
  .page-contact .pc-prep__media { transform: rotate(-.8deg); }
}

@media (min-width: 1180px) {
  .page-contact .pc-reply__body {
    max-width: 70ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-card,
  .page-contact .pc-linkcard,
  .page-contact .pc-card .copybtn {
    transition: none;
  }
  .page-contact .pc-card:hover,
  .page-contact .pc-linkcard:hover,
  .page-contact .pc-card .copybtn:hover {
    transform: none;
  }
}