.page-contact {
  --pc-line: rgba(168, 176, 184, 0.22);
  --pc-line-strong: rgba(168, 176, 184, 0.4);
  --pc-panel: var(--ink-700);
  padding-bottom: 88px;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding: 28px 0 12px;
}

.page-contact .contact-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-contact .contact-title {
  margin: 16px 0 20px;
  font-size: clamp(38px, 10.5vw, 92px);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-title__accent {
  display: block;
  color: var(--cyan-400);
  -webkit-text-stroke: 0;
}

.page-contact .contact-intro__lead {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cream-100);
}

.page-contact .contact-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 米白信息摘要卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: 30px 22px 20px;
  border-radius: var(--radius-l);
  background: var(--cream-100);
  color: #1a1d21;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--red-600) 0%, var(--blue-700) 52%, var(--cyan-400) 100%);
}

.page-contact .contact-card__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: #6b6355;
}

.page-contact .contact-card__title {
  margin: 0 0 18px;
  font-size: 22px;
  line-height: 1.35;
  font-weight: 800;
  color: #14171a;
}

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

.page-contact .contact-card__row {
  display: grid;
  gap: 2px;
  padding: 12px 0;
  border-top: 1px solid rgba(18, 20, 23, 0.14);
}

.page-contact .contact-card__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: #6b6355;
}

.page-contact .contact-card__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 700;
  color: #14171a;
  word-break: break-word;
}

.page-contact .contact-card__val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact .contact-card__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(18, 20, 23, 0.24);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #6b6355;
}

/* ---------- 通用章节头 ---------- */
.page-contact .contact-head {
  margin-bottom: 26px;
}

.page-contact .contact-head__title {
  margin: 10px 0 10px;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.22;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-contact .contact-head__note {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog-400);
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  padding: 64px 0 0;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .channel {
  position: relative;
  padding: 26px 20px 24px;
  border-radius: var(--radius-m);
  background: var(--pc-panel);
  border-top: 4px solid var(--pc-line-strong);
  display: flex;
  flex-direction: column;
}

.page-contact .channel--form {
  border-top-color: var(--red-600);
}

.page-contact .channel--mail {
  border-top-color: var(--cyan-400);
  background: linear-gradient(165deg, rgba(27, 58, 107, 0.55), var(--pc-panel) 62%);
}

.page-contact .channel--phone {
  border-top-color: var(--terra-500);
  background: linear-gradient(165deg, rgba(76, 107, 90, 0.35), var(--pc-panel) 58%);
}

.page-contact .channel__no {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fog-400);
}

.page-contact .channel__title {
  margin: 0 0 12px;
  font-size: 21px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--white);
}

.page-contact .channel__for {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cream-100);
}

.page-contact .channel__time {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--cyan-400);
}

.page-contact .channel__how {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog-400);
}

/* ---------- 填写说明 + 场馆清单 ---------- */
.page-contact .contact-prep {
  padding: 72px 0 0;
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}

.page-contact .prep-form__lead {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fog-400);
}

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

.page-contact .field {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .field__no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--red-500);
  padding-top: 3px;
}

.page-contact .field__name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .field__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-400);
}

.page-contact .prep-check {
  background: var(--ink-800);
  border-radius: var(--radius-l);
  padding: 26px 20px 24px;
  border: 1px solid var(--pc-line);
}

.page-contact .prep-check__figure {
  margin: 18px 0 20px;
  border-radius: var(--radius-m);
  overflow: hidden;
}

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

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .check-item {
  position: relative;
}

.page-contact .check-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-contact .check-item label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  background: var(--ink-700);
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream-100);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .check-item label::before {
  content: "";
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1.5px solid var(--fog-400);
  border-radius: 4px;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .check-item input:checked + label {
  border-color: var(--cyan-400);
  background: rgba(45, 226, 197, 0.1);
}

.page-contact .check-item input:checked + label::before {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-contact .check-item input:focus-visible + label {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-contact .prep-check__sub {
  margin: 26px 0 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-contact .ask-list {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 8px;
}

.page-contact .ask-list li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-400);
}

.page-contact .ask-list li::marker {
  color: var(--red-500);
}

.page-contact .prep-check__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pc-line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--cream-100);
}

/* ---------- 办公与备案 ---------- */
.page-contact .contact-office {
  margin-top: 72px;
  padding: 56px 0;
  background: linear-gradient(155deg, var(--blue-900) 0%, var(--ink-900) 72%);
  border-top: 3px solid var(--blue-700);
  border-bottom: 3px solid var(--blue-700);
}

.page-contact .office-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-contact .office-body__lead {
  margin: 0 0 22px;
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cream-100);
}

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

.page-contact .office-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .office-row__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--fog-400);
  padding-top: 4px;
}

.page-contact .office-row__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  font-weight: 700;
  color: var(--white);
  word-break: break-word;
}

.page-contact .office-row__val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--cyan-400);
}

.page-contact .office-figure {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--pc-line);
}

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

/* ---------- 回复节奏 ---------- */
.page-contact .contact-sla {
  padding: 72px 0 0;
}

.page-contact .sla-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .sla {
  position: relative;
  padding: 22px 20px 20px;
  border-radius: var(--radius-m);
  background: var(--pc-panel);
  border-left: 3px solid var(--red-600);
}

.page-contact .sla:nth-child(2) {
  border-left-color: var(--blue-700);
}

.page-contact .sla:nth-child(3) {
  border-left-color: var(--moss-600);
}

.page-contact .sla:nth-child(4) {
  border-left-color: var(--cyan-400);
}

.page-contact .sla__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--fog-400);
}

.page-contact .sla__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--white);
}

.page-contact .sla__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog-400);
}

.page-contact .sla-foot {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--fog-400);
}

.page-contact .sla-foot a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 197, 0.45);
}

.page-contact .sla-foot a:hover,
.page-contact .sla-foot a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-intro {
    padding-top: 44px;
  }

  .page-contact .contact-card {
    padding: 34px 28px 22px;
  }

  .page-contact .contact-card__row {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .channel:nth-child(3) {
    grid-column: 1 / -1;
  }

  .page-contact .sla-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .prep-check {
    padding: 32px 28px 28px;
  }

  .page-contact .contact-office {
    padding: 64px 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact {
    padding-bottom: 110px;
  }

  .page-contact .contact-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
    margin-top: 26px;
  }

  .page-contact .contact-channels {
    padding-top: 88px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .channel:nth-child(3) {
    grid-column: auto;
  }

  .page-contact .channel:nth-child(2) {
    margin-top: 36px;
  }

  .page-contact .channel:nth-child(3) {
    margin-top: 74px;
  }

  .page-contact .channel:nth-child(1) {
    padding-bottom: 34px;
  }

  .page-contact .contact-prep {
    padding-top: 96px;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .prep-check {
    margin-top: 48px;
  }

  .page-contact .contact-office {
    margin-top: 96px;
    padding: 76px 0;
  }

  .page-contact .office-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 60px;
    align-items: center;
  }

  .page-contact .contact-sla {
    padding-top: 92px;
  }

  .page-contact .sla-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    align-items: stretch;
  }

  .page-contact .sla:nth-child(even) {
    margin-top: 30px;
  }
}
<<<END>>>