.page-contact .section {
  padding-block: clamp(44px, 6.5vw, 84px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(18px, 3.5vw, 36px);
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-contact .contact-hero__title::after {
  content: "";
  display: block;
  width: 72px;
  height: 6px;
  margin-top: 18px;
  background: var(--red-500);
  transform: skewX(-18deg);
}

.page-contact .contact-hero__text .lede {
  margin-top: 18px;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-contact .contact-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__jump a {
  display: inline-block;
  padding: 9px 15px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--sky-900);
  text-decoration: none;
  background: var(--snow);
  clip-path: var(--chamfer);
  box-shadow: inset 0 0 0 1px var(--sky-100);
  transition: box-shadow 120ms var(--ease), color 120ms var(--ease);
}

.page-contact .contact-hero__jump a:hover,
.page-contact .contact-hero__jump a:focus-visible {
  box-shadow: inset 0 0 0 1px var(--sky-500);
  color: var(--sky-500);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  clip-path: var(--chamfer);
  background: var(--grad-band);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-hero__ring {
  position: absolute;
  top: 26%;
  right: 24%;
  width: 16px;
  height: 16px;
  border: 1px solid var(--red-500);
  border-radius: 50%;
}

.page-contact .contact-hero__ring::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: var(--barley-400);
  border-radius: 50%;
}

.page-contact .contact-hero__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-900);
  background: rgba(253, 253, 251, 0.9);
}

.page-contact .contact-hero__coord {
  font-family: var(--font-mono);
  color: var(--red-700);
}

/* ---------- 章节头 ---------- */
.page-contact .chapter-head {
  max-width: 62ch;
}

.page-contact .chapter-index {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
}

.page-contact .chapter-index .num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red-500);
}

.page-contact .chapter-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .chapter-deck {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-500);
}

/* ---------- 三条通道 ---------- */
.page-contact .channels {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .channel-card {
  padding: 1px;
  background: var(--sky-100);
  clip-path: var(--chamfer);
  transition: background-color 120ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: var(--sky-500);
}

.page-contact .channel-card__inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px 20px 24px;
  background: var(--snow);
  clip-path: var(--chamfer);
}

.page-contact .channel-card__plate {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
}

.page-contact .channel-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--red-500);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--sky-900);
  word-break: break-word;
}

.page-contact .channel-card__meta {
  margin: 0;
  font-size: 13px;
  color: var(--ink-500);
}

.page-contact .channel-card__list {
  display: grid;
  gap: 8px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-900);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 2px;
  background: var(--barley-400);
}

.page-contact .contact-copy {
  margin-top: 18px;
  align-self: flex-start;
  padding: 8px 15px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sky-900);
  background: transparent;
  border: 0;
  clip-path: var(--chamfer);
  box-shadow: inset 0 0 0 1px var(--sky-100);
  cursor: pointer;
  transition: box-shadow 120ms var(--ease), color 120ms var(--ease), background-color 150ms var(--ease);
}

.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  box-shadow: inset 0 0 0 1px var(--sky-500);
  color: var(--sky-500);
  background-color: rgba(232, 181, 74, 0.08);
}

.page-contact .contact-copy[data-copied] {
  box-shadow: inset 0 0 0 1px var(--red-500);
  color: var(--red-700);
}

.page-contact .channels__footnote {
  margin: 26px 0 0;
  padding-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-500);
  border-top: 1px solid var(--sky-100);
}

.page-contact .channels__footnote strong {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--sky-900);
  word-break: break-word;
}

/* ---------- 工作时间带 ---------- */
.page-contact .hours {
  display: grid;
  gap: 30px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .clock {
  margin: 0;
}

.page-contact .clock__flag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--red-700);
}

.page-contact .clock__track {
  position: relative;
  height: 62px;
  background:
    repeating-linear-gradient(to right, rgba(28, 36, 48, 0.16) 0 1px, transparent 1px calc(100% / 24)),
    var(--sky-100);
  clip-path: var(--chamfer);
}

.page-contact .clock__open {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(180deg, var(--sky-500) 0%, var(--sky-900) 100%);
}

.page-contact .clock__scale {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-500);
}

.page-contact .hours__text {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-contact .hours__text + .hours__text {
  margin-top: 12px;
  color: var(--ink-500);
}

.page-contact .hours-facts {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hours-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--snow);
  clip-path: var(--chamfer);
  box-shadow: inset 0 0 0 1px var(--sky-100);
}

.page-contact .hours-facts__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--sky-900);
}

.page-contact .hours-facts__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-500);
}

.page-contact .hours__figure {
  margin: 0;
}

.page-contact .hours__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: var(--chamfer);
  background: var(--grad-band);
}

.page-contact .hours__figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

/* ---------- 内容与合作 ---------- */
.page-contact .coop {
  display: grid;
  gap: 28px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .coop__prose p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-900);
}

.page-contact .coop__prose p + p {
  margin-top: 16px;
}

.page-contact .coop__prose strong {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--sky-900);
  word-break: break-word;
}

.page-contact .coop__panel {
  padding: 26px 22px 24px;
  background: var(--grad-band);
  clip-path: var(--chamfer);
}

.page-contact .coop__panel-plate {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
}

.page-contact .coop__panel-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red-500);
}

.page-contact .coop__panel-title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-contact .coop__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-contact .coop__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background: var(--sky-500);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 0);
}

.page-contact .coop__panel-note {
  margin: 18px 0 0;
  padding-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
  border-top: 1px solid rgba(30, 144, 255, 0.28);
}

/* ---------- 反馈信息 ---------- */
.page-contact .feedback {
  display: grid;
  gap: 28px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .checklist {
  counter-reset: cl;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist li {
  counter-increment: cl;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 2px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-500);
  border-bottom: 1px solid rgba(30, 144, 255, 0.24);
}

.page-contact .checklist li::before {
  content: counter(cl, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red-500);
  padding-top: 2px;
}

.page-contact .checklist span {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-contact .feedback__note {
  padding: 24px 20px 22px;
  background: var(--snow);
  clip-path: var(--chamfer);
  box-shadow: inset 0 0 0 1px var(--sky-100);
}

.page-contact .feedback__note-plate {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-500);
}

.page-contact .feedback__note-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red-500);
}

.page-contact .feedback__note-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink-900);
}

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

.page-contact .feedback__links a {
  display: block;
  padding: 14px 12px 14px 0;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--sky-100);
  transition: color 120ms var(--ease), background-color 150ms var(--ease);
}

.page-contact .feedback__links a:hover,
.page-contact .feedback__links a:focus-visible {
  color: var(--sky-500);
  background-color: rgba(230, 242, 255, 0.6);
}

.page-contact .feedback__links-t {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.page-contact .feedback__links-d {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

/* ---------- 常用入口 ---------- */
.page-contact .contact-more {
  padding-bottom: clamp(30px, 5vw, 60px);
}

.page-contact .more-links {
  display: grid;
  gap: 12px;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .more-links a {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  text-decoration: none;
  color: var(--ink-900);
  background: var(--snow);
  clip-path: var(--chamfer);
  box-shadow: inset 0 0 0 1px var(--sky-100);
  transition: box-shadow 120ms var(--ease), background-color 150ms var(--ease);
}

.page-contact .more-links a:hover,
.page-contact .more-links a:focus-visible {
  box-shadow: inset 0 0 0 1px var(--sky-500);
  background-color: rgba(232, 181, 74, 0.08);
}

.page-contact .more-links__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--red-500);
}

.page-contact .more-links__t {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.page-contact .more-links__d {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .hours {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .coop {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(30px, 4vw, 52px);
  }

  .page-contact .feedback {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(30px, 4vw, 52px);
    align-items: start;
  }

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

@media (min-width: 1040px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: -8px;
  }

  .page-contact .hours-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .more-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__jump a,
  .page-contact .channel-card,
  .page-contact .contact-copy,
  .page-contact .feedback__links a,
  .page-contact .more-links a {
    transition: none;
  }

  .page-contact .contact-hero__title::after {
    transform: none;
  }
}
<<<END>>>