.page-contact {
  --pc-gap: clamp(18px, 3vw, 32px);
  --pc-line: 1px solid rgba(200, 162, 74, 0.28);
  --pc-line-strong: 1px solid rgba(200, 162, 74, 0.62);
  --pc-panel: linear-gradient(158deg, rgba(19, 38, 59, 0.96) 0%, rgba(10, 20, 32, 0.96) 100%);
  color: var(--ivory);
  background:
    radial-gradient(96% 46% at 100% 0%, rgba(47, 211, 192, 0.07), transparent 64%),
    linear-gradient(180deg, var(--ink-3) 0%, var(--ink) 42%, var(--ink) 100%);
  overflow-x: hidden;
}

.page-contact .pc-crumb {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-contact .pc-link {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 74, 0.5);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .pc-link:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-contact .pc-link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding-block: clamp(26px, 5vw, 56px) clamp(40px, 7vw, 88px);
  border-bottom: var(--pc-line);
}

.page-contact .pc-hero__title {
  margin: clamp(12px, 2vw, 20px) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 15em;
}

.page-contact .pc-hero__lead {
  margin-top: clamp(16px, 2.4vw, 26px);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: rgba(243, 239, 228, 0.84);
  max-width: 64ch;
}

.page-contact .pc-hero__coord {
  margin-top: clamp(14px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(140, 155, 172, 0.7);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

/* 坐标索引 */
.page-contact .coord-index {
  border-top: var(--pc-line-strong);
  padding-top: 14px;
}

.page-contact .coord-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .coord-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .coord-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 10px 9px 0;
  font-size: 14px;
  color: rgba(243, 239, 228, 0.86);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .coord-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: color var(--dur-fast) var(--ease);
}

.page-contact .coord-link:hover,
.page-contact .coord-link:focus-visible {
  color: var(--white);
  border-left-color: var(--gold);
  background: rgba(200, 162, 74, 0.07);
}

.page-contact .coord-link:hover .coord-num,
.page-contact .coord-link:focus-visible .coord-num {
  color: var(--signal);
}

.page-contact .coord-link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .coord-note {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* 联系方式铭牌 */
.page-contact .plates {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .contact-plate {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: var(--pc-panel);
  border: var(--pc-line);
  box-shadow: var(--shadow-plate);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-plate::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-hi) 38%, rgba(200, 162, 74, 0) 100%);
}

.page-contact .contact-plate:hover {
  border-color: rgba(228, 200, 122, 0.7);
  transform: translateY(-2px);
}

.page-contact .contact-plate--flat {
  background: linear-gradient(158deg, rgba(19, 38, 59, 0.6) 0%, rgba(10, 20, 32, 0.75) 100%);
}

.page-contact .contact-plate__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .contact-plate__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.4vw, 30px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.page-contact .contact-plate__value--sm {
  font-size: clamp(16px, 2.4vw, 22px);
  color: var(--ivory);
}

.page-contact .contact-plate__value a {
  color: var(--ivory);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 74, 0.45);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .contact-plate__value a:hover,
.page-contact .contact-plate__value a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-contact .contact-plate__value a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.page-contact .contact-plate__meta {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.72);
  max-width: 46ch;
}

/* ---------- 通用章节 ---------- */
.page-contact .pc-section {
  padding-block: clamp(42px, 7vw, 88px);
  border-bottom: var(--pc-line);
}

.page-contact .pc-section--band {
  background: linear-gradient(180deg, rgba(19, 38, 59, 0.5) 0%, rgba(14, 27, 44, 0) 100%);
}

.page-contact .pc-section__head {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-contact .pc-h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  max-width: 18em;
}

.page-contact .pc-lede {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(243, 239, 228, 0.8);
  max-width: 64ch;
}

/* ---------- 反馈去向 ---------- */
.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .feedback-copy p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(243, 239, 228, 0.84);
}

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

.page-contact .feedback-links {
  margin-top: 22px;
}

.page-contact .pc-media {
  margin: 0;
  position: relative;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border: var(--pc-line-strong);
  box-shadow: var(--shadow-plate);
  background: var(--ink-2);
}

.page-contact .pc-media--wide {
  aspect-ratio: 3 / 2;
}

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

.page-contact .pc-media .media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--ivory);
  background: linear-gradient(180deg, rgba(8, 17, 27, 0) 0%, rgba(8, 17, 27, 0.92) 62%);
}

/* ---------- 反馈类型与准备清单 ---------- */
.page-contact .type-picker {
  position: relative;
  border: var(--pc-line);
  background: rgba(13, 26, 42, 0.7);
  padding: clamp(18px, 3vw, 30px);
}

.page-contact .type-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .type-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .type-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border: 1px solid rgba(200, 162, 74, 0.32);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(243, 239, 228, 0.78);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .type-label__dot {
  width: 6px;
  height: 6px;
  background: var(--mist);
  border-radius: 50%;
  transition: background var(--dur-fast) var(--ease);
}

.page-contact .type-label:hover {
  border-color: var(--gold);
  color: var(--white);
}

.page-contact #ftype-download:checked ~ .type-labels .type-label[for="ftype-download"],
.page-contact #ftype-version:checked ~ .type-labels .type-label[for="ftype-version"],
.page-contact #ftype-general:checked ~ .type-labels .type-label[for="ftype-general"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-contact #ftype-download:checked ~ .type-labels .type-label[for="ftype-download"] .type-label__dot,
.page-contact #ftype-version:checked ~ .type-labels .type-label[for="ftype-version"] .type-label__dot,
.page-contact #ftype-general:checked ~ .type-labels .type-label[for="ftype-general"] .type-label__dot {
  background: var(--ink);
}

.page-contact #ftype-download:focus-visible ~ .type-labels .type-label[for="ftype-download"],
.page-contact #ftype-version:focus-visible ~ .type-labels .type-label[for="ftype-version"],
.page-contact #ftype-general:focus-visible ~ .type-labels .type-label[for="ftype-general"] {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .type-panels {
  margin-top: clamp(18px, 3vw, 28px);
  border-top: var(--pc-line);
  padding-top: clamp(16px, 2.4vw, 24px);
}

.page-contact .type-panel {
  display: none;
}

.page-contact #ftype-download:checked ~ .type-panels > .type-panel:nth-child(1),
.page-contact #ftype-version:checked ~ .type-panels > .type-panel:nth-child(2),
.page-contact #ftype-general:checked ~ .type-panels > .type-panel:nth-child(3) {
  display: block;
}

.page-contact .type-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 239, 228, 0.8);
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(200, 162, 74, 0.18);
}

.page-contact .checklist__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .checklist__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 4px;
}

.page-contact .prepare-note {
  margin-top: clamp(20px, 3vw, 30px);
  padding-left: 16px;
  border-left: 2px solid var(--signal);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(243, 239, 228, 0.72);
  max-width: 62ch;
}

/* ---------- 版本找回写法 ---------- */
.page-contact .mail-template {
  border: var(--pc-line-strong);
  background: linear-gradient(158deg, rgba(19, 38, 59, 0.92) 0%, rgba(8, 17, 27, 0.94) 100%);
  box-shadow: var(--shadow-plate);
  padding: clamp(18px, 3vw, 30px);
}

.page-contact .mail-template__cap {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .mail-template__rows {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .mail-template__row {
  display: grid;
  gap: 6px;
  padding: 13px 0;
  border-top: 1px solid rgba(200, 162, 74, 0.16);
}

.page-contact .mail-template__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .mail-template__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .mail-template__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact #find-version .pc-lede {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 品牌中心 ---------- */
.page-contact .center-band {
  border-top: var(--pc-line-strong);
  background: linear-gradient(180deg, var(--ink-4) 0%, var(--ink-2) 62%, var(--ink-3) 100%);
  padding-block: clamp(42px, 7vw, 88px) clamp(36px, 5vw, 64px);
  margin-top: clamp(0px, 1vw, 8px);
}

.page-contact .center-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .center-address .pc-h2 {
  margin-top: 12px;
}

.page-contact .center-meta {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 239, 228, 0.8);
  max-width: 60ch;
}

.page-contact .center-meta__label {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .center-address__value {
  margin: 10px 0 0;
  padding: 14px 0 14px 16px;
  border-left: 3px solid var(--gold);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.6vw, 24px);
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-contact .center-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: var(--pc-line);
}

.page-contact .center-links .btn {
  flex: 1 1 auto;
  min-width: 148px;
  text-align: center;
}

.page-contact .center-legal {
  margin: 22px 0 0;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(220px, 272px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .coord-index {
    position: sticky;
    top: 28px;
  }

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

  .page-contact .contact-plate--flat {
    grid-column: 1 / -1;
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .feedback-grid .pc-media {
    order: 2;
  }

  .page-contact .center-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-contact .mail-template__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-contact .center-links .btn {
    flex: 0 0 auto;
    min-width: 168px;
  }
}

@media (min-width: 1180px) {
  .page-contact .plates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-plate--flat {
    grid-column: auto;
    grid-row: 1;
    align-self: start;
  }

  .page-contact .plates {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-plate,
  .page-contact .coord-link,
  .page-contact .type-label,
  .page-contact .pc-link {
    transition: none;
  }

  .page-contact .contact-plate:hover {
    transform: none;
  }
}
<<<END>>>