.page-contact {
  --contact-hair: rgba(147, 164, 187, 0.22);
  --contact-hair-strong: rgba(47, 227, 181, 0.34);
  background: var(--ink-deep);
  color: var(--paper-bone);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 3.4vw, 46px) 0 clamp(28px, 4vw, 56px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(48vw, 640px);
  height: min(70vh, 560px);
  background:
    repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 70px),
    repeating-linear-gradient(0deg, var(--grid) 0 1px, transparent 1px 70px);
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(115% 92% at 100% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(115% 92% at 100% 0%, #000 0%, transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .crumb {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-contact .contact-hero__title {
  font-size: clamp(36px, 7.2vw, 94px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  max-width: 17ch;
  margin: 12px 0 22px;
}

.page-contact .contact-hero__lede {
  max-width: 60ch;
  margin: 0 0 clamp(26px, 3.4vw, 44px);
}

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

.page-contact .contact-hero__figure .figure__frame {
  aspect-ratio: 14 / 9;
  overflow: hidden;
}

.page-contact .contact-hero__figure .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 锚点索引 ---------- */
.page-contact .contact-index {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
  overflow-x: auto;
  margin-top: clamp(28px, 4vw, 52px);
  padding: 14px 0;
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  scrollbar-width: thin;
}

.page-contact .contact-index__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding-bottom: 3px;
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-index__item:hover,
.page-contact .contact-index__item:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

/* ---------- 章节通用 ---------- */
.page-contact .contact-section {
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-section:last-of-type {
  border-bottom: 0;
}

.page-contact .contact-head {
  display: block;
  max-width: 68ch;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-contact .contact-head .section-title {
  margin: 8px 0 12px;
}

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

/* ---------- 联系方式 ---------- */
.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 34px);
}

.page-contact .contact-card + .contact-card {
  margin-top: clamp(16px, 2vw, 24px);
}

.page-contact .contact-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 5px 10px;
  color: var(--ink-night);
  background: var(--brick);
}

.page-contact .contact-tag--gold {
  background: var(--gold);
}

.page-contact .contact-card__label {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .contact-card__value {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 1.7vw, 21px);
  letter-spacing: 0.04em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .contact-card__value--num {
  color: var(--gold);
  letter-spacing: 0.14em;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  opacity: 0.82;
}

.page-contact .contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
}

.page-contact .contact-figure .figure__frame {
  aspect-ratio: 10 / 7;
  overflow: hidden;
}

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

.page-contact .contact-figure__note {
  margin-top: 14px;
}

/* ---------- 沟通前准备 ---------- */
.page-contact .contact-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-contact .contact-prep__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 2vw, 32px);
  padding: clamp(20px, 2.4vw, 30px) 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .contact-prep__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
  padding-top: 0.45em;
}

.page-contact .contact-prep__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper-bone);
}

.page-contact .contact-prep__text {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  line-height: 1.85;
}

/* ---------- 合作标签页 ---------- */
.page-contact .tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 2.6vw, 32px);
  padding-bottom: 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .tab {
  appearance: none;
  -webkit-appearance: none;
  padding: 11px 18px;
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--grid);
  border-bottom: 0;
  cursor: pointer;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .tab:hover {
  color: var(--paper-bone);
  border-color: var(--contact-hair-strong);
}

.page-contact .tab[aria-selected="true"] {
  color: var(--ink-night);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .tabpanel {
  display: block;
  max-width: 70ch;
  padding: clamp(16px, 2.2vw, 26px) clamp(18px, 2.4vw, 30px);
  color: var(--paper-bone);
  background: rgba(34, 51, 77, 0.28);
  border-left: 2px solid var(--cyan);
  line-height: 1.9;
}

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

.page-contact .tabpanel p {
  margin: 0 0 14px;
}

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

.page-contact .tabpanel__link a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 180, 87, 0.45);
}

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

/* ---------- 服务范围数字 ---------- */
.page-contact .contact-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 34px);
  margin-top: clamp(28px, 3.6vw, 48px);
}

.page-contact .contact-stats .stat {
  padding-top: 16px;
  border-top: 2px solid var(--gold);
}

.page-contact .contact-stats .stat:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-contact .contact-stats .stat:nth-child(3) {
  border-top-color: var(--sky-violet);
}

.page-contact .contact-stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 3.6vw, 42px);
  letter-spacing: 0.04em;
  color: var(--paper-bone);
  line-height: 1.1;
}

.page-contact .contact-stats .stat__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-list__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .contact-list__val {
  margin: 0;
  color: var(--paper-bone);
  line-height: 1.85;
  word-break: break-word;
}

.page-contact .contact-list__note {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .annot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 181, 0.4);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .contact-list__row {
    grid-template-columns: minmax(120px, 190px) 1fr;
    gap: clamp(12px, 2vw, 28px);
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-contact .contact-hero::before {
    width: 78vw;
    height: 42vh;
    opacity: 0.4;
  }

  .page-contact .contact-hero__title {
    letter-spacing: 0;
  }

  .page-contact .contact-index {
    gap: 16px;
    padding: 12px 0;
  }

  .page-contact .contact-card__value {
    word-break: break-all;
  }

  .page-contact .contact-prep__item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-contact .contact-prep__num {
    padding-top: 0;
  }

  .page-contact .tabpanel {
    border-left-width: 2px;
    padding: 18px;
  }
}

@media (max-width: 400px) {
  .page-contact .contact-card__value {
    font-size: 14px;
    letter-spacing: 0.02em;
  }

  .page-contact .tab {
    flex: 1 1 auto;
    text-align: center;
    padding: 10px 12px;
  }
}

/* 首页首屏大图在窄屏改用更方的构图，避免过扁 */
@media (max-width: 560px) {
  .page-contact .contact-hero__figure .figure__frame {
    aspect-ratio: 4 / 3;
  }
}