.page-contact {
  --ct-gap: clamp(20px, 3.2vw, 48px);
  --ct-radius: 4px;
  --ct-line: rgba(201, 207, 203, .16);
  --ct-glass-line: rgba(255, 255, 255, .14);
}

/* ---------- 面包屑与索引条 ---------- */
.page-contact .breadcrumb {
  margin-top: clamp(20px, 3.5vw, 44px);
}

.page-contact .index-strip {
  margin-top: clamp(10px, 2vw, 22px);
  gap: 4px 22px;
  flex-wrap: wrap;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(26px, 4.5vw, 60px) 0 clamp(38px, 6vw, 84px);
  overflow: hidden;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: center;
}

.page-contact .contact-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(31px, 5.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -.012em;
  color: var(--warm);
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--light);
}

.page-contact .hero-lines {
  list-style: none;
  margin: clamp(26px, 3.5vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .hero-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 17px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .hero-line__index {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .hero-line__label {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-contact .hero-line__value {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.6;
  color: var(--warm);
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-contact .hero-line__value--link {
  font-family: var(--f-mono);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-line);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .hero-line__value--link:hover,
.page-contact .hero-line__value--link:focus-visible {
  color: var(--orange-2);
  border-bottom-color: var(--orange);
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--ct-radius);
  border: 1px solid var(--ct-line);
  background: var(--ink);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.68) contrast(1.06) brightness(.78);
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(30deg, rgba(34, 211, 238, .18) 0 1px, transparent 1px 20px),
    repeating-linear-gradient(-30deg, rgba(201, 207, 203, .09) 0 1px, transparent 1px 30px),
    linear-gradient(180deg, rgba(7, 26, 22, .08) 35%, rgba(7, 26, 22, .82) 100%);
}

/* ---------- 章节通用头 ---------- */
.page-contact .section-head {
  max-width: 46em;
  margin-bottom: var(--ct-gap);
}

.page-contact .section-head h2,
.page-contact .data-copy h2,
.page-contact .visit-copy h2 {
  margin: 12px 0 0;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -.008em;
  color: var(--warm);
}

.page-contact .section-head__lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--light);
}

.page-contact .light-section .section-head h2 {
  color: var(--night);
}

.page-contact .light-section .section-head__lede {
  color: #414b47;
}

/* ---------- 01 找到我们 ---------- */
.page-contact .contact-reach {
  padding-top: clamp(30px, 4vw, 56px);
}

.page-contact .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .reach-cards {
  display: grid;
  gap: 14px;
}

.page-contact .reach-card {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.3vw, 26px);
  border: 1px solid var(--ct-glass-line);
  border-radius: var(--ct-radius);
  background: var(--glass);
  backdrop-filter: blur(6px);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .reach-card:hover,
.page-contact .reach-card:focus-within {
  border-color: var(--orange);
  transform: translateY(-3px);
}

.page-contact .reach-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .reach-card__time {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-contact .reach-card__value {
  margin: 0;
  font-family: var(--f-mono);
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.5;
  color: var(--warm);
  overflow-wrap: anywhere;
}

.page-contact .reach-card__value--addr {
  font-family: var(--f-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
}

.page-contact .reach-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--light);
}

.page-contact .reach-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-contact .copy-btn {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 8px 15px;
  border: 1px solid var(--ct-glass-line);
  border-radius: 2px;
  background: transparent;
  color: var(--light);
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--orange);
  color: var(--warm);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-contact .copy-btn[data-copied="true"] {
  border-color: var(--orange);
  color: var(--orange-2);
  background: rgba(255, 106, 26, .1);
}

.page-contact .reach-side {
  margin: 0;
  border: 1px solid var(--ct-line);
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: var(--ink);
}

.page-contact .reach-side img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 02 准备清单（浅色区） ---------- */
.page-contact .contact-prep {
  padding-top: clamp(40px, 6vw, 86px);
  padding-bottom: clamp(40px, 6vw, 86px);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(11, 43, 36, .16);
}

.page-contact .prep-item {
  position: relative;
  border-bottom: 1px solid rgba(11, 43, 36, .16);
}

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

.page-contact .prep-item__label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 17px 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color .18s var(--ease);
}

.page-contact .prep-item__label::before {
  content: "";
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid #8b938f;
  border-radius: 2px;
  background: transparent;
  transition: background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .prep-item__check:checked + .prep-item__label {
  background: rgba(255, 106, 26, .12);
}

.page-contact .prep-item__check:checked + .prep-item__label::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .prep-item__check:focus-visible + .prep-item__label {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-contact .prep-item__title {
  grid-column: 2;
  font-size: 16px;
  font-weight: 600;
  color: var(--night);
}

.page-contact .prep-item__text {
  grid-column: 2;
  font-size: 15px;
  line-height: 1.8;
  color: #4b5451;
}

.page-contact .prep-aside {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--ct-radius);
  background: var(--night);
}

.page-contact .prep-aside .kicker {
  color: var(--amber);
}

.page-contact .prep-aside p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--light);
}

.page-contact .prep-aside__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .prep-aside__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--warm);
}

.page-contact .prep-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 1px;
  background: var(--blue);
}

.page-contact .prep-aside .btn {
  margin-top: 22px;
}

/* ---------- 03 邮件沟通 ---------- */
.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .mail-col {
  border-top: 2px solid var(--orange);
  padding-top: 18px;
  min-width: 0;
}

.page-contact .mail-col--alt {
  border-top-color: var(--blue);
}

.page-contact .mail-col__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: .02em;
  color: var(--warm);
}

.page-contact .mail-list,
.page-contact .route-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .mail-item,
.page-contact .route-item {
  padding: 18px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .mail-item:first-child,
.page-contact .route-item:first-child {
  border-top: 0;
  padding-top: 2px;
}

.page-contact .mail-item__type {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--warm);
}

.page-contact .mail-item__body {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--light);
}

.page-contact .mail-item__attach {
  margin: 10px 0 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .route-item__q {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--light);
}

.page-contact .route-item__link {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .route-item__link:hover,
.page-contact .route-item__link:focus-visible {
  color: var(--warm);
  border-bottom-color: var(--orange);
}

/* ---------- 04 赛事数据反馈 ---------- */
.page-contact .data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .data-copy__lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--light);
}

.page-contact .data-needs {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-contact .data-needs li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .data-needs li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .data-needs__idx {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
  padding-top: 4px;
}

.page-contact .data-needs__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--light);
}

.page-contact .data-needs__text strong {
  color: var(--warm);
  font-weight: 600;
}

.page-contact .data-copy__note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 106, 26, .08);
  font-size: 15px;
  line-height: 1.8;
  color: var(--light);
}

.page-contact .data-copy__note a {
  font-family: var(--f-mono);
  color: var(--orange-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 154, 92, .5);
  overflow-wrap: anywhere;
  transition: border-color .18s var(--ease);
}

.page-contact .data-copy__note a:hover,
.page-contact .data-copy__note a:focus-visible {
  border-bottom-color: var(--orange);
}

.page-contact .data-panel {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--ct-glass-line);
  border-radius: var(--ct-radius);
  background: var(--glass);
  backdrop-filter: blur(6px);
}

.page-contact .data-panel__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(18px, 2.1vw, 21px);
  letter-spacing: .02em;
  color: var(--warm);
}

.page-contact .data-panel__rows {
  margin: 18px 0 0;
}

.page-contact .data-panel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 12px 0;
  border-top: 1px solid var(--ct-line);
  font-size: 14px;
}

.page-contact .data-panel__row:first-child {
  border-top: 0;
}

.page-contact .data-panel__key {
  color: var(--gray);
}

.page-contact .data-panel__val {
  font-family: var(--f-mono);
  font-size: 15px;
  letter-spacing: .03em;
  color: var(--amber);
}

/* ---------- 05 到访与合规 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .visit-copy p {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--light);
}

.page-contact .visit-copy__link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .visit-copy__link:hover,
.page-contact .visit-copy__link:focus-visible {
  color: var(--warm);
  border-bottom-color: var(--orange);
}

.page-contact .visit-meta {
  margin: 0;
  border: 1px solid var(--ct-line);
  border-radius: var(--ct-radius);
  background: rgba(7, 26, 22, .55);
  padding: 6px 20px;
}

.page-contact .visit-meta__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 14px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .visit-meta__row:first-child {
  border-top: 0;
}

.page-contact .visit-meta dt {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-contact .visit-meta dd {
  margin: 0;
  font-size: 15px;
  color: var(--warm);
}

.page-contact .compliance-bar {
  margin-top: clamp(26px, 3.5vw, 44px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  padding: 16px 24px;
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--orange);
  border-radius: var(--ct-radius);
  background: rgba(7, 26, 22, .6);
}

.page-contact .compliance-bar__label {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-contact .compliance-bar__value {
  font-family: var(--f-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .compliance-bar__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .row-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: clamp(36px, 5vw, 78px);
  }

  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .92fr);
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 68px);
  }

  .page-contact .data-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .82fr);
    gap: clamp(30px, 4vw, 66px);
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr);
    gap: clamp(30px, 4vw, 64px);
  }
}

@media (max-width: 560px) {
  .page-contact .hero-line {
    gap: 4px 12px;
  }

  .page-contact .hero-line__value {
    flex-basis: 100%;
  }

  .page-contact .reach-card__actions .btn,
  .page-contact .reach-card__actions .copy-btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .page-contact .data-needs li {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 8px;
  }

  .page-contact .compliance-bar {
    padding: 14px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .reach-card,
  .page-contact .copy-btn,
  .page-contact .hero-line__value--link,
  .page-contact .route-item__link,
  .page-contact .visit-copy__link,
  .page-contact .prep-item__label,
  .page-contact .prep-item__label::before {
    transition: none;
  }

  .page-contact .reach-card:hover,
  .page-contact .reach-card:focus-within {
    transform: none;
  }
}