.page-contact {
  --pc-pc-line: rgba(212, 165, 68, 0.30);
  --pc-pc-line-soft: rgba(124, 143, 163, 0.26);
  --pc-pc-panel: #14293D;
  position: relative;
  background: var(--ink);
  color: var(--ink-soft);
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow-x: hidden;
}

.page-contact .crumbs {
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: 18px;
}

.page-contact .kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-stage {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--pc-pc-line);
}

.page-contact .contact-stage__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-contact .contact-stage__scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(11, 27, 43, 0.62) 0%, rgba(11, 27, 43, 0.95) 58%),
    linear-gradient(180deg, rgba(6, 13, 22, 0.42) 0%, rgba(11, 27, 43, 0.97) 100%);
}

.page-contact .contact-stage__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-contact .contact-stage__head {
  max-width: 720px;
}

.page-contact .contact-stage h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 6vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 14px 0 0;
}

.page-contact .contact-stage .lede {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-contact .contact-stage__body {
  margin-top: clamp(28px, 4.5vw, 48px);
  display: grid;
  gap: 20px;
}

/* ---------- 联系面板 ---------- */

.page-contact .contact-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--gold);
  padding: clamp(22px, 3vw, 34px);
  color: var(--ink);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--cinnabar) 46%, var(--gold-hi) 100%);
}

.page-contact .contact-card__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.5vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin: 6px 0 0;
}

.page-contact .contact-card__sub {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(11, 27, 43, 0.66);
}

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

.page-contact .contact-line {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px dashed rgba(138, 106, 59, 0.5);
}

.page-contact .contact-line:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .contact-line__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-contact .contact-line__value {
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.5vw, 14.5px);
  line-height: 1.65;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .copy-btn {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  padding: 8px 13px;
  border: 1px solid var(--copper);
  border-radius: 0;
  background: transparent;
  color: var(--copper);
  cursor: pointer;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  background: rgba(200, 64, 47, 0.07);
}

.page-contact .contact-card__hint {
  margin: 18px 0 0;
  padding: 12px 14px;
  background: var(--paper-2);
  border-left: 3px solid var(--cinnabar);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(11, 27, 43, 0.82);
}

.page-contact .contact-card__note {
  display: block;
  min-height: 20px;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--jade);
}

/* ---------- 右侧状态栏 ---------- */

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

.page-contact .rail-block {
  border: 1px solid var(--pc-pc-line-soft);
  border-left: 2px solid var(--gold);
  background: var(--pc-pc-panel);
  padding: 16px 18px;
}

.page-contact .rail-block__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .rail-block__value {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .rail-block__unit {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--steel);
}

.page-contact .rail-block__foot {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .rail-block__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold-hi);
  line-height: 1;
}

.page-contact .rail-block--badge {
  border-left-color: var(--cinnabar);
}

.page-contact .hourbar {
  margin-bottom: 14px;
}

.page-contact .hourbar__track {
  position: relative;
  height: 8px;
  background: rgba(124, 143, 163, 0.2);
  border: 1px solid var(--pc-pc-line-soft);
}

.page-contact .hourbar__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(212, 165, 68, 0.3) 0%, var(--gold) 50%, rgba(212, 165, 68, 0.3) 100%);
}

.page-contact .hourbar__dot {
  position: absolute;
  top: 50%;
  left: 62%;
  width: 10px;
  height: 10px;
  margin: -5px 0 0 -5px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 3px rgba(63, 169, 138, 0.22);
}

.page-contact .hourbar__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--steel);
}

/* ---------- 通用章节 ---------- */

.page-contact .section-block {
  margin-top: clamp(52px, 7vw, 96px);
}

.page-contact .section-head__index {
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-contact .section-head__title {
  color: var(--paper);
}

.page-contact .section-head__note {
  color: var(--steel);
}

/* ---------- 反馈章节 ---------- */

.page-contact .fb-grid {
  display: grid;
  gap: 26px;
  margin-top: clamp(22px, 3vw, 34px);
}

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

.page-contact .fb-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-pc-line);
}

.page-contact .fb-step__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .fb-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .fb-step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-contact .fb-figure {
  margin: 0;
  border: 1px solid var(--pc-pc-line);
  background: var(--pc-pc-panel);
}

.page-contact .fb-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .fb-figure__caption {
  padding: 14px 16px 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--steel);
  border-top: 1px solid var(--pc-pc-line);
}

/* ---------- 邮件写法章节 ---------- */

.page-contact .mail-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-pc-line);
}

.page-contact .mail-item {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-pc-line);
}

.page-contact .mail-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .mail-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .mail-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-contact .mail-sample {
  margin-top: 26px;
  padding: 18px 20px 20px;
  background: var(--paper);
  border-left: 3px solid var(--cinnabar);
  color: var(--ink);
}

.page-contact .mail-sample__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-contact .mail-sample__label + .mail-sample__line + .mail-sample__label {
  margin-top: 16px;
}

.page-contact .mail-sample__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 归属与备案 ---------- */

.page-contact .info-list {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-pc-line);
}

.page-contact .info-item {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-pc-line);
}

.page-contact .info-item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .info-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .info-item dd.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--gold-hi);
}

/* ---------- 相关页面 ---------- */

.page-contact .next-links {
  margin-top: clamp(34px, 5vw, 56px);
  padding: 22px 0 0;
  border-top: 1px solid var(--pc-pc-line);
}

.page-contact .next-links__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .next-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-contact .next-link {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-pc-line-soft);
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  color: var(--gold-hi);
  padding-left: 8px;
}

.page-contact .site-info__closing {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cinnabar);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-line {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 14px;
  }

  .page-contact .next-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 760px) {
  .page-contact .mail-item {
    grid-template-columns: 52px minmax(0, 1fr) minmax(0, 1.25fr);
    align-items: start;
    column-gap: 22px;
  }

  .page-contact .info-item {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-stage__body {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .fb-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-stage__head {
    max-width: 780px;
  }

  .page-contact .rail-block {
    padding: 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .next-link {
    transition: none;
  }
}
<<<END>>>