.page-contact {
  --contact-cut: 20px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(44px, 6vw, 84px);
  background:
    radial-gradient(circle at 86% 8%, rgba(255, 122, 41, .12), transparent 48%),
    radial-gradient(circle at 4% 96%, rgba(15, 44, 76, .08), transparent 42%),
    var(--paper);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--line-blue) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: .5;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
}

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

.page-contact .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(31px, 5.2vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.022em;
  color: var(--navy);
  max-width: 15em;
}

.page-contact .contact-hero__intro {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 35em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--warm);
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-blue);
  font-size: 15px;
  line-height: 1.6;
}

.page-contact .contact-hero__facts span {
  flex: 0 0 5.4em;
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--warm);
}

.page-contact .contact-hero__facts strong {
  font-weight: 600;
  color: var(--navy);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  position: relative;
}

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

/* ============ 章节通用标题 ============ */
.page-contact .contact-section-head {
  max-width: 48em;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .contact-section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(25px, 3.4vw, 42px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.018em;
  color: var(--navy);
}

.page-contact .contact-section-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--warm);
  max-width: 38em;
}

/* ============ 01 联系方式 ============ */
.page-contact .contact-channels {
  padding: clamp(20px, 4vw, 52px) 0 clamp(48px, 7vw, 96px);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 44px);
}

.page-contact .channel-cards {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 24px 24px 30px;
  background: var(--navy);
  color: var(--paper);
  clip-path: polygon(
    0 0,
    calc(100% - var(--contact-cut)) 0,
    100% var(--contact-cut),
    100% 100%,
    var(--contact-cut) 100%,
    0 calc(100% - var(--contact-cut))
  );
  transition: background-color .28s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--line-blue);
  transition: background-color .28s var(--ease);
}

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

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

.page-contact .channel-card__tag {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .3em;
  color: var(--lime);
}

.page-contact .channel-card__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(246, 241, 230, .76);
}

/* 咨询渠道对照表 */
.page-contact .route-panel {
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 3px solid var(--navy);
  min-width: 0;
}

.page-contact .route-panel__title {
  margin: 0 0 16px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--navy);
}

.page-contact .route-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.page-contact .route-table__caption {
  caption-side: bottom;
  text-align: left;
  padding-top: 14px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--warm);
}

.page-contact .route-table thead th {
  text-align: left;
  padding: 10px 10px 10px 0;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--warm);
  border-bottom: 1px solid var(--navy);
  white-space: nowrap;
}

.page-contact .route-table tbody th,
.page-contact .route-table tbody td {
  text-align: left;
  padding: 14px 10px 14px 0;
  border-bottom: 1px solid var(--line-blue);
  vertical-align: top;
  line-height: 1.65;
}

.page-contact .route-table tbody th {
  width: 34%;
  font-weight: 600;
  color: var(--navy);
}

.page-contact .route-table tbody td:first-of-type {
  width: 20%;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
}

.page-contact .route-table tbody td:last-of-type {
  font-weight: 400;
  color: var(--warm);
}

.page-contact .route-table tbody tr {
  cursor: pointer;
  transition: background-color .22s var(--ease);
}

.page-contact .route-table tbody tr:hover,
.page-contact .route-table tbody tr:focus,
.page-contact .route-table tbody tr:focus-visible {
  background-color: var(--orange-pale);
  outline: none;
}

/* ============ 02 / 03 回应节奏与提交清单 ============ */
.page-contact .contact-timing {
  padding: clamp(8px, 2vw, 24px) 0 clamp(48px, 7vw, 96px);
}

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

.page-contact .timing-card {
  padding: clamp(24px, 3.4vw, 44px);
  position: relative;
  min-width: 0;
}

.page-contact .timing-card--navy {
  background:
    linear-gradient(150deg, rgba(198, 255, 74, .08), transparent 52%),
    var(--navy);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-contact .timing-card--pale {
  background: var(--orange-pale);
  color: var(--ink);
  clip-path: polygon(28px 0, 100% 0, 100% 100%, 0 100%, 0 28px);
}

.page-contact .timing-card .section-index {
  font-size: clamp(26px, 3.6vw, 40px);
}

.page-contact .timing-card--navy .section-index {
  color: var(--lime);
}

.page-contact .timing-card--pale .section-index {
  color: var(--orange);
}

.page-contact .timing-card h2 {
  margin: 8px 0 14px;
  font-size: clamp(21px, 2.6vw, 31px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.015em;
}

.page-contact .timing-card--navy h2 { color: var(--paper); }
.page-contact .timing-card--pale h2 { color: var(--navy); }

.page-contact .timing-card > p {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.85;
}

.page-contact .timing-card--navy > p { color: rgba(246, 241, 230, .78); }
.page-contact .timing-card--pale > p { color: var(--ink); }

.page-contact .timing-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .timing-list li {
  display: grid;
  grid-template-columns: 5.4em minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid rgba(217, 228, 238, .26);
}

.page-contact .timing-list__num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-contact .timing-list__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(246, 241, 230, .82);
}

.page-contact .info-checklist {
  list-style: none;
  counter-reset: ic;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .info-checklist li {
  counter-increment: ic;
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .info-checklist li::before {
  content: counter(ic, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-contact .info-checklist strong {
  font-weight: 700;
  color: var(--navy);
}

/* ============ 04 合作 ============ */
.page-contact .contact-coop {
  padding: clamp(48px, 7vw, 94px) 0;
  background:
    linear-gradient(122deg, rgba(255, 122, 41, .12), transparent 56%),
    var(--navy);
  color: var(--paper);
}

.page-contact .contact-coop .section-index { color: var(--lime); }
.page-contact .contact-coop .contact-section-head h2 { color: var(--paper); }
.page-contact .contact-coop .contact-section-head p { color: rgba(246, 241, 230, .74); }

.page-contact .coop-grid {
  display: grid;
  gap: 1px;
  background: rgba(217, 228, 238, .24);
  border: 1px solid rgba(217, 228, 238, .24);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-contact .coop-card {
  background: var(--navy);
  padding: clamp(22px, 3vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background-color .26s var(--ease);
}

.page-contact .coop-card:hover {
  background: var(--navy-mid);
}

.page-contact .coop-card__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .3em;
  color: var(--lime);
}

.page-contact .coop-card h3 {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .coop-card p {
  margin: 0;
  flex: 1;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(246, 241, 230, .74);
}

.page-contact .coop-card__link {
  align-self: flex-start;
  margin-top: 8px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color .22s var(--ease);
}

.page-contact .coop-card__link:hover,
.page-contact .coop-card__link:focus-visible {
  color: var(--lime);
}

/* ============ 05 备案与站点信息 ============ */
.page-contact .contact-meta {
  padding: clamp(48px, 7vw, 96px) 0 clamp(28px, 4vw, 52px);
}

.page-contact .meta-panel {
  max-width: 64em;
  padding-top: clamp(18px, 2.6vw, 30px);
  border-top: 3px solid var(--navy);
}

.page-contact .meta-panel h2 {
  margin: 8px 0 0;
  font-size: clamp(23px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.018em;
  color: var(--navy);
}

.page-contact .meta-list {
  display: grid;
  gap: 0;
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  padding: 0;
}

.page-contact .meta-list > div {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-blue);
  min-width: 0;
}

.page-contact .meta-list dt {
  flex: 0 0 5.6em;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--warm);
}

.page-contact .meta-list dd {
  margin: 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .meta-note {
  margin: 22px 0 0;
  max-width: 52em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--warm);
}

.page-contact .meta-note a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 页尾城市剪影 ============ */
.page-contact .contact-skyline {
  position: relative;
  padding-top: clamp(16px, 3vw, 34px);
}

.page-contact .contact-skyline__caption {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--warm);
}

.page-contact .contact-skyline__figure {
  margin: 0;
  position: relative;
}

.page-contact .contact-skyline__figure::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    var(--lime) 0 2px,
    transparent 2px 14px
  );
  opacity: .8;
  z-index: 1;
}

.page-contact .contact-skyline__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 24px, 24px 0, 100% 0, 100% 100%, 0 100%);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-contact .meta-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

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

  .page-contact .contact-timing {
    padding-bottom: clamp(64px, 7vw, 104px);
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero__facts li {
    flex-direction: column;
    gap: 4px;
  }

  .page-contact .contact-hero__facts span {
    flex: none;
  }

  .page-contact .route-table thead th,
  .page-contact .route-table tbody th,
  .page-contact .route-table tbody td {
    padding-right: 8px;
  }

  .page-contact .route-table tbody td:first-of-type {
    width: 22%;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::before,
  .page-contact .coop-card,
  .page-contact .coop-card__link,
  .page-contact .route-table tbody tr {
    transition: none;
  }
}