.page-contact {
  --pc-line: 2px solid var(--ink-700);
  --pc-shadow: 7px 7px 0 0 #02050B;
  --pc-gap: clamp(18px, 2.6vw, 30px);
  --pc-pad: clamp(18px, 2.6vw, 28px);
  position: relative;
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--text);
  background:
    radial-gradient(1000px 560px at 84% -12%, rgba(216, 161, 58, 0.13), transparent 62%),
    radial-gradient(760px 480px at 6% 42%, rgba(40, 192, 138, 0.07), transparent 66%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
}

.page-contact .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-head {
  padding-top: clamp(26px, 5vw, 54px);
}

.page-contact .contact-head h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .contact-head h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--gold-500), var(--jade));
}

.page-contact .contact-head__lead {
  margin: 22px 0 0;
  max-width: 64ch;
  color: var(--text-dim);
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
}

.page-contact .contact-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: clamp(26px, 4vw, 44px);
  border: var(--pc-line);
  background: var(--ink-700);
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-facts .fact {
  padding: 18px 20px;
  background: var(--ink-800);
}

.page-contact .contact-facts .fact b {
  display: block;
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-300);
}

.page-contact .contact-facts .fact span {
  display: block;
  margin-top: 9px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* ---------- 章节头微调 ---------- */
.page-contact .section-head {
  align-items: flex-start;
}

.page-contact .section-head .section-title {
  margin-top: 6px;
}

.page-contact .section-head__aside {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
  white-space: nowrap;
}

.page-contact .section-head__aside::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--gold-500);
}

/* ---------- 01 渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channel-list {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  padding: var(--pc-pad);
  margin: 0;
}

.page-contact .channel-card__value {
  display: block;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 23px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--gold-300);
  word-break: break-all;
}

.page-contact .channel-card__value--phone {
  font-size: clamp(26px, 5vw, 40px);
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.6;
  letter-spacing: 0;
  color: var(--text);
  word-break: break-word;
}

.page-contact .channel-card__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .channel-figure {
  margin: 0;
  border: var(--pc-line);
  box-shadow: var(--pc-shadow);
  background: var(--ink-800);
}

.page-contact .channel-figure__media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-950);
}

.page-contact .channel-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(216, 161, 58, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 161, 58, 0.14) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.page-contact .channel-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-contact .channel-figure .figure__cap {
  padding: 12px 16px;
  border-top: var(--pc-line);
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- 02 商务合作 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .coop-text p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .coop-text p:first-child {
  color: var(--text);
}

.page-contact .coop-text p:last-child {
  margin-bottom: 0;
}

.page-contact .coop-figure {
  margin: 0;
  border: var(--pc-line);
  box-shadow: var(--pc-shadow);
  background: var(--ink-800);
}

.page-contact .coop-figure__media {
  position: relative;
  display: block;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

.page-contact .coop-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: var(--pc-gap);
}

.page-contact .coop-point {
  padding: 18px 20px;
  margin: 0;
}

.page-contact .coop-point p:last-child {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 03 场景切换 ---------- */
.page-contact .tabs__list {
  display: flex;
  gap: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-contact .tabs__tab {
  flex: 0 0 auto;
  padding: 12px 18px;
  border: var(--pc-line);
  background: var(--ink-800);
  color: var(--text-dim);
  font: inherit;
  font-size: 14.5px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .tabs__tab:hover {
  color: var(--gold-300);
  border-color: var(--gold-500);
}

.page-contact .tabs__tab[aria-selected="true"] {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--ink-950);
  box-shadow: 5px 5px 0 0 #02050B;
}

.page-contact .tabs__tab:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
}

.page-contact .tabs__panels {
  margin-top: 16px;
}

.page-contact .tabs__panel {
  padding: var(--pc-pad);
  border: var(--pc-line);
  border-left: 6px solid var(--gold-500);
  background: var(--ink-800);
  box-shadow: var(--pc-shadow);
}

.page-contact .tabs__panel[hidden] {
  display: none;
}

.page-contact .tabs__panel h3 {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .tabs__panel > p {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 04 响应与清单 ---------- */
.page-contact .reply-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .reply-text p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .reply-text p:first-child {
  color: var(--text);
}

.page-contact .reply-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .reply-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .reply-list .dot {
  margin-top: 8px;
  flex: 0 0 auto;
}

.page-contact .form-mock {
  padding: var(--pc-pad);
  border: var(--pc-line);
  background: var(--ink-800);
  box-shadow: var(--pc-shadow);
}

.page-contact .mock-field {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: start;
  margin-top: 14px;
  padding: 14px 16px;
  border: 2px solid var(--ink-700);
  background: var(--ink-900);
  transition: border-color 0.22s var(--ease);
}

.page-contact .mock-field:hover {
  border-color: var(--gold-500);
}

.page-contact .mock-field__label {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--gold-500);
}

.page-contact .mock-field__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .form-mock__send {
  margin: 20px 0 0;
  padding: 13px 16px;
  border: 2px solid var(--gold-500);
  background: transparent;
  color: var(--gold-300);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
  word-break: break-all;
}

/* ---------- 05 到访与邮寄 ---------- */
.page-contact .visit-box {
  padding: var(--pc-pad);
  border: var(--pc-line);
  border-left: 6px solid var(--jade);
  background: var(--ink-800);
  box-shadow: var(--pc-shadow);
}

.page-contact .visit-box__addr {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .visit-box__note {
  margin: 16px 0 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 相关入口 ---------- */
.page-contact .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .next-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: center;
  padding: 18px 20px;
  border: var(--pc-line);
  background: var(--ink-800);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  border-color: var(--gold-500);
  transform: translate(-2px, -2px);
  box-shadow: var(--pc-shadow);
}

.page-contact .next-link__k {
  grid-row: span 2;
  font-size: 20px;
  color: var(--gold-500);
}

.page-contact .next-link__t {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .next-link__d {
  grid-column: 2;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .tabs__tab,
  .page-contact .mock-field,
  .page-contact .next-link {
    transition: none;
  }

  .page-contact .next-link:hover,
  .page-contact .next-link:focus-visible {
    transform: none;
  }
}

/* ---------- 平板及桌面 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .coop-points {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }

  .page-contact .channel-figure__media {
    aspect-ratio: 3 / 4;
  }

  .page-contact .coop-grid {
    grid-template-columns: 1fr 1.15fr;
    align-items: start;
  }

  .page-contact .reply-grid {
    grid-template-columns: 1.05fr 1fr;
    align-items: start;
  }

  .page-contact .contact-head__lead {
    font-size: 17px;
  }
}

@media (min-width: 1160px) {
  .page-contact .next-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}