.page-contact {
  --pc-gap: clamp(1.5rem, 4vw, 3.25rem);
  --pc-rule: rgba(11, 42, 69, .14);
  --pc-rule-light: rgba(191, 233, 230, .24);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2rem, 5.5vw, 4.25rem) clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -68%;
  width: min(44rem, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 224, 214, .20), rgba(23, 224, 214, 0) 68%);
  pointer-events: none;
}

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

.page-contact .contact-hero .display {
  margin: .55rem 0 0;
  max-width: 17ch;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--deep);
}

.page-contact .contact-hero__lede {
  margin-top: clamp(1rem, 2.5vw, 1.5rem);
  max-width: 58ch;
  font-size: clamp(1rem, 1.9vw, 1.125rem);
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.6rem;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--pc-rule);
  font-size: .875rem;
  letter-spacing: .01em;
  color: var(--slate);
}

.page-contact .contact-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}

/* ---------- 非对称双栏 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: var(--pc-gap);
  padding-block: clamp(2rem, 5vw, 4rem);
}

.page-contact .section-title {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--deep);
}

.page-contact .contact-split__intro {
  margin: 0;
  max-width: 46ch;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .channel-list {
  display: grid;
  gap: 1rem;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(1.1rem, 2.6vw, 1.5rem) clamp(1.1rem, 2.6vw, 1.55rem);
  background: var(--white);
  border: 1px solid var(--pc-rule);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--deep) 0%, var(--cyan-deep) 100%);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card__label {
  margin: 0 0 .4rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-contact .channel-card__value {
  display: inline-block;
  max-width: 100%;
  font-size: clamp(1.0625rem, 2.2vw, 1.3125rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--deep);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid transparent;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

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

.page-contact .channel-card__value--text {
  font-weight: 600;
  color: var(--ink);
}

.page-contact .channel-card__note {
  margin: .65rem 0 1rem;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .channel-card .btn {
  font-size: .875rem;
  padding: .5rem 1.15rem;
}

.page-contact .contact-split__col--right {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.85rem);
  align-content: start;
}

.page-contact .contact-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--deep);
  border: 1px solid rgba(11, 42, 69, .22);
  box-shadow: var(--shadow-2);
}

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

.page-contact .contact-figure figcaption {
  padding: .8rem 1.1rem 1rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--mist);
  background: var(--deep);
  border-top: 1px solid var(--pc-rule-light);
}

/* ---------- 服务时间表 ---------- */
.page-contact .hours-panel {
  padding: clamp(1.1rem, 2.6vw, 1.55rem);
  background: var(--white);
  border: 1px solid var(--pc-rule);
  border-radius: var(--r-lg);
}

.page-contact .hours-panel__title {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--deep);
}

.page-contact .hours-list {
  display: grid;
  gap: .8rem;
  margin: 0;
}

.page-contact .hours-row {
  display: grid;
  gap: .2rem;
  padding-bottom: .8rem;
  border-bottom: 1px dashed var(--pc-rule);
}

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

.page-contact .hours-row dt {
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-contact .hours-row dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .hours-row--peak dd {
  font-weight: 600;
  color: var(--deep);
}

/* ---------- 高峰提示带 ---------- */
.page-contact .peak-band {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
  background: var(--deep);
  color: var(--white);
}

.page-contact .peak-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(112deg, rgba(23, 224, 214, .12) 0%, rgba(23, 224, 214, 0) 46%),
    repeating-linear-gradient(90deg, rgba(191, 233, 230, .07) 0 1px, transparent 1px 92px);
}

.page-contact .peak-band__inner {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .peak-band__figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--pc-rule-light);
  background: rgba(191, 233, 230, .08);
}

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

.page-contact .peak-band .eyebrow,
.page-contact .feedback .eyebrow {
  color: var(--cyan);
}

.page-contact .peak-band__body h2 {
  margin: .4rem 0 .9rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--white);
}

.page-contact .peak-band__body > p {
  margin: 0 0 1.2rem;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(255, 255, 255, .82);
}

.page-contact .peak-list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .peak-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .9375rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, .78);
}

.page-contact .peak-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: .5rem;
  height: .5rem;
  border-radius: 2px;
  background: var(--amber);
  transform: rotate(45deg);
}

/* ---------- 咨询准备清单 ---------- */
.page-contact .prep {
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
}

.page-contact .prep .section-head .lede {
  max-width: 56ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .prep-grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-contact .prep-card {
  padding: 1rem 1.15rem 1.15rem;
  background: var(--white);
  border: 1px solid var(--pc-rule);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .prep-card[open] {
  border-color: rgba(23, 224, 214, .65);
  box-shadow: var(--shadow-2);
}

.page-contact .prep-card__summary {
  display: flex;
  align-items: center;
  gap: .65rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--deep);
}

.page-contact .prep-card__summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-card__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--slate);
  transition: color 160ms var(--ease);
}

.page-contact .prep-card[open] .prep-card__summary::after {
  content: "−";
  color: var(--cyan-deep);
}

.page-contact .prep-card__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-contact .prep-card__index {
  padding: .16rem .45rem;
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--cyan-deep);
  background: rgba(23, 224, 214, .13);
  border-radius: var(--r-sm);
}

.page-contact .prep-card__list {
  display: grid;
  gap: .5rem;
  margin: .9rem 0 0;
  padding-left: 1.15rem;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 备案与站点信息 ---------- */
.page-contact .registry {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  background: var(--paper-2);
  border-top: 1px solid var(--pc-rule);
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .registry__inner {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.page-contact .registry__head h2 {
  margin: .35rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.375rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.22;
  color: var(--deep);
}

.page-contact .registry-list {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .registry-row {
  display: grid;
  gap: .2rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .registry-row dt {
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-contact .registry-row dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .registry-row dd a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 224, 214, .6);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

/* ---------- 分流带 ---------- */
.page-contact .routes {
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
}

.page-contact .route-list {
  display: grid;
  gap: 1rem;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .route-link {
  position: relative;
  display: grid;
  gap: .4rem;
  padding: 1.15rem 3rem 1.25rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--pc-rule);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background 180ms var(--ease), border-color 180ms var(--ease),
              transform 180ms var(--ease), color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .route-link::after {
  content: "→";
  position: absolute;
  right: 1.15rem;
  bottom: 1.15rem;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  color: var(--slate);
  transition: color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .route-link:hover,
.page-contact .route-link:focus-visible {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-contact .route-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .route-link:hover::after,
.page-contact .route-link:focus-visible::after {
  color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .route-link__tag {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--slate);
  transition: color 180ms var(--ease);
}

.page-contact .route-link:hover .route-link__tag,
.page-contact .route-link:focus-visible .route-link__tag {
  color: var(--cyan);
}

.page-contact .route-link__title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

/* ---------- 反馈 ---------- */
.page-contact .feedback {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
  background: linear-gradient(158deg, var(--deep) 0%, var(--deep-deep) 100%);
  color: var(--white);
}

.page-contact .feedback::before {
  content: "";
  position: absolute;
  right: -9rem;
  top: -11rem;
  width: 27rem;
  height: 27rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 224, 214, .26), rgba(23, 224, 214, 0) 68%);
  pointer-events: none;
}

.page-contact .feedback__inner {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .feedback__body h2 {
  margin: .4rem 0 .9rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--white);
}

.page-contact .feedback__body p {
  margin: 0 0 1rem;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(255, 255, 255, .82);
}

.page-contact .feedback__body .feedback__note {
  padding-left: .9rem;
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .68);
  border-left: 2px solid var(--cyan);
}

.page-contact .feedback__body .btn {
  margin-top: .35rem;
}

.page-contact .feedback__aside {
  padding-top: 1rem;
  border-top: 1px solid var(--pc-rule-light);
}

.page-contact .feedback__aside-label {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: rgba(191, 233, 230, .78);
}

.page-contact .feedback__aside ul {
  display: grid;
  gap: .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .feedback__aside a {
  display: inline-block;
  font-size: .9375rem;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 224, 214, .45);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .hours-row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: .2rem 1rem;
  }

  .page-contact .registry-row {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: .2rem 1rem;
  }
}

@media (min-width: 820px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .prep-grid > .prep-card:nth-child(2) {
    margin-top: 1.75rem;
  }

  .page-contact .prep-grid > .prep-card:nth-child(3) {
    margin-top: .75rem;
  }

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

@media (min-width: 880px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .peak-band__inner {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: center;
  }

  .page-contact .registry__inner {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-contact .feedback__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: start;
  }

  .page-contact .feedback__aside {
    padding-top: 0;
    padding-left: clamp(1rem, 2.5vw, 2rem);
    border-top: 0;
    border-left: 1px solid var(--pc-rule-light);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .prep-card,
  .page-contact .route-link,
  .page-contact .route-link::after {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .route-link:hover,
  .page-contact .route-link:focus-visible {
    transform: none;
  }
}