.page-contact {
  --c-tone-mail: var(--clay);
  --c-tone-tel: var(--cyan);
  --c-tone-addr: var(--amber);
  --c-gap: clamp(16px, 3vw, 24px);
  padding-bottom: clamp(40px, 7vw, 88px);
  color: var(--text);
}

.page-contact .breadcrumb {
  padding: clamp(12px, 2vw, 20px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 4vw, 34px) 0 clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 80% at 88% 0%, rgba(41, 224, 194, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(30, 77, 62, 0.5), transparent 76%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 34px);
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.6;
  color: var(--text);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .contact-hero__status {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(14px, 2.4vw, 20px);
}

.page-contact .contact-hero__status-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.page-contact .contact-hero__status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-hero__status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-hero__status-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-hero__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  min-width: 42px;
}

.page-contact .contact-hero__val {
  font-size: 14px;
  color: var(--paper);
}

.page-contact .contact-hero__val--on::before,
.page-contact .contact-hero__val--wait::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  vertical-align: 1px;
}

.page-contact .contact-hero__val--on::before {
  background: var(--cyan);
}

.page-contact .contact-hero__val--wait::before {
  background: var(--amber);
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  padding-top: clamp(32px, 5vw, 60px);
}

.page-contact .contact-channels__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .contact-channels__head .section__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.18;
  color: var(--paper);
}

.page-contact .contact-channels__note {
  margin: 10px 0 20px;
  max-width: 30em;
  color: var(--text-dim);
  line-height: 1.6;
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius);
  margin-bottom: var(--c-gap);
}

.page-contact .contact-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.3;
  word-break: break-word;
}

.page-contact .contact-card__value--mail {
  font-size: clamp(17px, 3.4vw, 24px);
}

.page-contact .contact-card__value--tel {
  font-size: clamp(24px, 6vw, 38px);
  letter-spacing: 0.02em;
}

.page-contact .contact-card__value--addr {
  font-size: clamp(14px, 2.6vw, 17px);
  line-height: 1.7;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.page-contact .contact-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 4px;
}

.page-contact .contact-card__hint {
  font-size: 12px;
  color: var(--text-dim);
}

.page-contact .contact-card--mail {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 18px 40px rgba(7, 20, 17, 0.35);
}

.page-contact .contact-card--mail .contact-card__kicker {
  color: var(--clay);
}

.page-contact .contact-card--mail .contact-card__desc {
  color: rgba(10, 31, 26, 0.76);
}

.page-contact .contact-card--mail .contact-card__hint {
  color: rgba(10, 31, 26, 0.6);
}

.page-contact .contact-card--tel {
  background: linear-gradient(150deg, var(--moss), var(--slate));
  border: 1px solid rgba(41, 224, 194, 0.4);
  color: var(--paper);
}

.page-contact .contact-card--tel .contact-card__kicker {
  color: var(--cyan);
}

.page-contact .contact-card--tel .contact-card__desc {
  color: rgba(242, 239, 230, 0.8);
}

.page-contact .contact-card--addr {
  background: var(--glass);
  border: 1px solid rgba(235, 168, 60, 0.42);
  color: var(--paper);
}

.page-contact .contact-card--addr .contact-card__kicker {
  color: var(--amber);
}

.page-contact .contact-card--addr .contact-card__desc {
  color: rgba(242, 239, 230, 0.72);
}

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

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

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

.page-contact .contact-channels__tip {
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 来信建议 ---------- */
.page-contact .contact-letter {
  padding-top: clamp(32px, 5vw, 60px);
}

.page-contact .contact-letter__panel {
  padding: clamp(20px, 4vw, 40px);
  border-radius: var(--radius);
  color: var(--ink);
}

.page-contact .contact-letter__panel .eyebrow {
  color: var(--clay);
}

.page-contact .contact-letter__head h2 {
  margin: 8px 0 0;
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.2;
}

.page-contact .contact-letter__lede {
  margin: 12px 0 0;
  max-width: 34em;
  color: rgba(10, 31, 26, 0.74);
  line-height: 1.65;
}

.page-contact .contact-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  counter-reset: none;
}

.page-contact .contact-steps__item {
  padding-top: 14px;
  border-top: 2px solid rgba(10, 31, 26, 0.14);
}

.page-contact .contact-steps__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-deep);
}

.page-contact .contact-steps__title {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .contact-steps__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(10, 31, 26, 0.72);
}

.page-contact .contact-letter__link {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(10, 31, 26, 0.16);
  font-size: 14px;
  line-height: 1.65;
}

.page-contact .contact-letter__link a {
  color: var(--clay);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 回拨安排 ---------- */
.page-contact .contact-callback {
  padding-top: clamp(32px, 5vw, 60px);
}

.page-contact .contact-callback__inner {
  display: grid;
  gap: clamp(22px, 3.6vw, 36px);
}

.page-contact .contact-callback__copy .section__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.18;
  color: var(--paper);
}

.page-contact .contact-callback__copy > p {
  margin: 12px 0 0;
  max-width: 32em;
  line-height: 1.65;
  color: var(--text);
}

.page-contact .contact-callback__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-callback__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-contact .contact-callback__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--amber);
}

.page-contact .contact-snippet {
  padding: clamp(16px, 3vw, 24px);
  border-radius: var(--radius);
  background: var(--ink-deep);
  border: 1px solid rgba(235, 168, 60, 0.4);
}

.page-contact .contact-snippet__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .contact-snippet__body {
  margin: 0;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(242, 239, 230, 0.06);
  color: rgba(242, 239, 230, 0.86);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-contact .contact-snippet__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 14px;
}

.page-contact .contact-snippet__hint {
  font-size: 12px;
  color: var(--text-dim);
}

/* ---------- 事由分流 ---------- */
.page-contact .contact-routes {
  position: relative;
  margin-top: clamp(32px, 5vw, 60px);
  padding: clamp(32px, 5vw, 56px) 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-routes__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.22;
}

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

.page-contact .contact-routes__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 31, 26, 0.9), rgba(10, 31, 26, 0.7) 45%, rgba(10, 31, 26, 0.94));
}

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

.page-contact .contact-routes__head .section__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.18;
  color: var(--paper);
}

.page-contact .contact-routes__note {
  margin: 10px 0 clamp(20px, 3vw, 28px);
  color: var(--text-dim);
  line-height: 1.6;
}

.page-contact .contact-routes__band {
  display: grid;
  gap: 12px;
}

.page-contact .route-item {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(10, 31, 26, 0.66);
  backdrop-filter: blur(6px);
}

.page-contact .route-item[open] {
  background: rgba(30, 77, 62, 0.72);
  border-color: rgba(41, 224, 194, 0.55);
}

.page-contact .route-item__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

.page-contact .route-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .route-item__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .route-item__label {
  font-weight: 700;
  font-size: 15px;
  color: var(--paper);
}

.page-contact .route-item__arrow {
  font-family: var(--font-mono);
  color: var(--amber);
  transition: transform 0.25s var(--ease);
}

.page-contact .route-item[open] .route-item__arrow {
  transform: rotate(90deg);
}

.page-contact .route-item__body {
  padding: 0 14px 16px;
}

.page-contact .route-item__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.78);
}

.page-contact .route-item__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-where {
  padding-top: clamp(32px, 5vw, 56px);
}

.page-contact .contact-where__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .contact-where__addr .section__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.18;
  color: var(--paper);
}

.page-contact .contact-where__mono {
  display: block;
  margin-top: 16px;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--glass);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(14px, 2.6vw, 17px);
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .contact-where__note {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-contact .contact-where__facts {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-where__fact {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-where__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-contact .contact-where__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-where__links {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .contact-where__links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-card--tel {
    width: 88%;
  }

  .page-contact .contact-card--addr {
    width: 76%;
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 32px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-channels__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-channels__aside {
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-callback__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .contact-routes__band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
    gap: 14px;
  }

  .page-contact .route-item__summary {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "idx arrow"
      "label arrow";
    row-gap: 6px;
    align-content: start;
    min-height: 96px;
  }

  .page-contact .route-item__idx {
    grid-area: idx;
  }

  .page-contact .route-item__label {
    grid-area: label;
    line-height: 1.35;
  }

  .page-contact .route-item__arrow {
    grid-area: arrow;
    align-self: center;
  }

  .page-contact .contact-where__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-card--tel {
    width: 84%;
  }

  .page-contact .contact-card--addr {
    width: 70%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-item__arrow {
    transition: none;
  }
}