.page-contact {
  --pc-line: rgba(16, 21, 18, .12);
  --pc-dark-line: rgba(237, 243, 234, .18);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  flex: none;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--on-dark);
  padding: clamp(16px, 3vw, 26px) 0 clamp(34px, 7vw, 84px);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(130% 100% at 6% 0%, rgba(31, 107, 69, .58), transparent 62%),
    linear-gradient(180deg, rgba(7, 26, 18, .58), rgba(7, 26, 18, .95));
  pointer-events: none;
}

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

.page-contact .breadcrumbs {
  margin: 0 0 clamp(18px, 4vw, 36px);
  font-size: 13px;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .breadcrumbs li {
  color: var(--on-dark-dim);
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(237, 243, 234, .4);
}

.page-contact .breadcrumbs a {
  color: var(--on-dark-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

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

.page-contact .contact-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--volt);
  letter-spacing: .08em;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5.6vw, 56px);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  max-width: 15em;
  color: var(--on-dark);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 44em;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.85;
  color: var(--on-dark);
}

/* ---------- 联系方式主区 ---------- */
.page-contact .contact-desk {
  padding: clamp(36px, 6vw, 84px) 0 clamp(24px, 4vw, 44px);
}

.page-contact .contact-desk__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-desk__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 34px);
  margin: 0 0 clamp(16px, 3vw, 28px);
  color: var(--ink);
}

.page-contact .reach {
  padding: clamp(16px, 2.6vw, 24px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .reach:last-child {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .reach__label {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-mute);
}

.page-contact .reach__value {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(17px, 3.5vw, 36px);
  line-height: 1.28;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .reach__value:hover {
  color: var(--pitch);
  border-bottom-color: var(--grass);
}

.page-contact .reach__value:focus-visible {
  color: var(--pitch);
  border-bottom-color: var(--grass);
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.page-contact .reach__note {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-contact .contact-desk__panel {
  background: var(--night);
  color: var(--on-dark);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 34px);
  box-shadow: var(--shadow-soft);
}

.page-contact .panel__kicker {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--on-dark-dim);
}

.page-contact .panel__stat {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(30px, 4.8vw, 44px);
  line-height: 1.1;
  color: var(--volt);
}

.page-contact .panel__stat span {
  margin: 0 2px;
  opacity: .75;
}

.page-contact .panel__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}

.page-contact .panel__rule {
  border: 0;
  border-top: 1px solid var(--pc-dark-line);
  margin: 22px 0;
}

.page-contact .panel__flag {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark);
}

.page-contact .panel__flag .status-dot {
  margin-top: 8px;
}

.page-contact .panel__cta {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
  text-align: center;
}

/* ---------- 问题类型 ---------- */
.page-contact .contact-topics {
  padding: clamp(28px, 5vw, 60px) 0 clamp(32px, 6vw, 72px);
}

.page-contact .topics {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-contact .topic {
  background: #fff;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  padding: 0 clamp(16px, 2.4vw, 24px);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-contact .topic:hover {
  border-color: var(--grass);
  transform: translateY(-2px);
}

.page-contact .topic[open] {
  border-color: var(--grass);
}

.page-contact .topic__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

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

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

.page-contact .topic__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--grass);
}

.page-contact .topic__name {
  flex: 1;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 600;
  color: var(--ink);
}

.page-contact .topic__urgent {
  font-size: 12px;
  line-height: 1.4;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 106, 43, .14);
  border: 1px solid rgba(255, 106, 43, .4);
  color: var(--ink);
  white-space: nowrap;
}

.page-contact .topic__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-contact .topic__mark::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--grass);
  transform: translateY(-50%);
}

.page-contact .topic__mark::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--grass);
  transform: translateX(-50%);
  transition: opacity var(--dur-fast) var(--ease);
}

.page-contact .topic[open] .topic__mark::after {
  opacity: 0;
}

.page-contact .topic__body {
  padding: 0 0 20px;
}

.page-contact .topic__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

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

.page-contact .topic__channel {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pitch);
}

/* ---------- 服务时间刻度 ---------- */
.page-contact .contact-clock {
  background: var(--pitch);
  color: var(--on-dark);
  padding: clamp(34px, 6vw, 72px) 0;
}

.page-contact .contact-clock .section-head__title {
  color: var(--on-dark);
}

.page-contact .contact-clock .section-head__note {
  color: var(--on-dark-dim);
}

.page-contact .clock {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .clock__slot {
  position: relative;
  padding-top: 16px;
  border-top: 2px solid var(--grass);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .clock__slot:hover {
  border-top-color: var(--volt);
  transform: translateY(-3px);
}

.page-contact .clock__time {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.2;
  color: var(--volt);
}

.page-contact .clock__label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}

/* ---------- 合作共建 ---------- */
.page-contact .contact-partner {
  padding: clamp(36px, 6vw, 80px) 0;
}

.page-contact .partner-card {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  background: var(--volt-soft);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.6vw, 44px);
  color: var(--ink);
}

.page-contact .partner-card__text h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.28;
  margin: 10px 0 16px;
  color: var(--ink);
}

.page-contact .partner-card__text p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .partner-card__text .eyebrow {
  color: var(--pitch);
}

.page-contact .partner-card__stats {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .partner-stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, .58);
  border-radius: var(--r-sm);
  border: 1px solid rgba(16, 21, 18, .08);
}

.page-contact .partner-stat__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1;
  color: var(--pitch);
  min-width: 2.4ch;
}

.page-contact .partner-stat__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 联系地址 ---------- */
.page-contact .contact-addr {
  padding: 0 0 clamp(36px, 6vw, 80px);
}

.page-contact .contact-addr__card {
  display: grid;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--night);
  color: var(--on-dark);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-addr__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  opacity: .55;
  display: block;
}

.page-contact .contact-addr__body {
  padding: clamp(22px, 3.6vw, 42px);
}

.page-contact .contact-addr__body .eyebrow {
  color: var(--volt);
}

.page-contact .contact-addr__body h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.3;
  margin: 12px 0 14px;
  color: var(--on-dark);
}

.page-contact .contact-addr__body address {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.6;
  color: var(--volt);
}

.page-contact .contact-addr__body p {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 14px;
  line-height: 1.78;
  color: var(--on-dark-dim);
}

/* ---------- 提交前检查 ---------- */
.page-contact .contact-check {
  padding: 0 0 clamp(48px, 8vw, 96px);
}

.page-contact .check-grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .check-head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.28;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-contact .check-head p {
  margin: 0;
  max-width: 26em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-mute);
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: pc-check;
}

.page-contact .check-list li {
  counter-increment: pc-check;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 16px;
  background: #fff;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-sm);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .check-list li::before {
  content: counter(pc-check, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--grass);
  line-height: 1.9;
}

.page-contact .contact-more {
  border-top: 1px solid var(--pc-line);
  padding-top: clamp(18px, 3vw, 28px);
}

.page-contact .contact-more p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

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

.page-contact .contact-more a {
  color: var(--pitch);
  text-decoration: none;
  border-bottom: 1px solid var(--grass);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-addr__img {
    height: 280px;
  }

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

  .page-contact .partner-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (min-width: 780px) {
  .page-contact .topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .contact-addr__card {
    grid-template-columns: .92fr 1.08fr;
    align-items: stretch;
  }

  .page-contact .contact-addr__img {
    height: 100%;
    min-height: 300px;
  }

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

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

  .page-contact .partner-card__stats {
    grid-template-columns: 1fr;
  }

  .page-contact .partner-stat {
    flex-direction: row;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic,
  .page-contact .clock__slot,
  .page-contact .reach__value,
  .page-contact .contact-more a {
    transition: none;
  }

  .page-contact .topic:hover,
  .page-contact .clock__slot:hover {
    transform: none;
  }
}