.page-contact {
  --pc-line-gap: clamp(22px, 3vw, 44px);
  --pc-accent: var(--c-cyan);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(16px, 2.6vw, 30px);
  font-family: var(--ff-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--c-rock);
}
.page-contact .crumbs a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), color var(--t-fast);
}
.page-contact .crumbs a:hover {
  border-bottom-color: var(--c-cyan);
  color: var(--c-paper);
}

/* ---------- 首屏联系信息卡 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin-top: clamp(14px, 2.2vw, 26px);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--c-panel);
}
.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: .36;
  filter: saturate(.62) contrast(1.06);
}
.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 92% at 84% 6%, rgba(37, 225, 212, .17), transparent 58%),
    linear-gradient(180deg, rgba(10, 16, 48, .40) 0%, rgba(10, 16, 48, .88) 56%, var(--c-ink) 100%);
}
.page-contact .contact-hero__inner,
.page-contact .channel-strip {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__inner {
  padding: clamp(26px, 4.4vw, 58px) clamp(18px, 3vw, 44px) clamp(20px, 3vw, 34px);
  max-width: 68ch;
}
.page-contact .contact-hero .eyebrow {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}
.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(28px, 5.2vw, 58px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--c-paper);
}
.page-contact .contact-hero__lede {
  margin: 15px 0 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: rgba(243, 246, 255, .82);
}

/* 三块信息并列 */
.page-contact .channel-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line-soft);
}
.page-contact .channel {
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 3vw, 36px);
  background: rgba(5, 8, 27, .44);
  border-left: 2px solid var(--c-cyan);
  border-bottom: 1px solid var(--line-soft);
  transition: border-left-color var(--t-slow), background var(--t-slow);
}
.page-contact .channel:last-child {
  border-bottom: 0;
}
.page-contact .channel:hover {
  border-left-color: var(--c-orange);
  background: rgba(5, 8, 27, .68);
}
.page-contact .channel__label {
  margin: 0 0 8px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}
.page-contact .channel:hover .channel__label {
  color: var(--c-orange);
}
.page-contact .channel__value {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: clamp(15px, 1.9vw, 20px);
  line-height: 1.45;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}
.page-contact .channel__note {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--c-rock);
}

/* ---------- 栅格骨架 ---------- */
.page-contact .layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  padding-top: var(--section);
  align-items: start;
}
.page-contact .rail__label {
  margin: 0 0 10px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-rock);
}
.page-contact .rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .rail__link {
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-contact .rail__link:hover {
  color: var(--c-paper);
}
.page-contact .rail__link[aria-current="true"] {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-contact .contact-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

/* ---------- 区块通用 ---------- */
.page-contact .block {
  min-width: 0;
}
.page-contact .block + .block {
  padding-top: clamp(28px, 4vw, 52px);
}
.page-contact .section-head {
  margin: 0 0 clamp(12px, 1.8vw, 20px);
}
.page-contact .section-head__no {
  margin: 0 0 6px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-orange);
}
.page-contact .section-head__title {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -.005em;
  color: var(--c-paper);
}
.page-contact .block__lede {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(243, 246, 255, .78);
}

/* ---------- 提问清单 ---------- */
.page-contact .checklist {
  counter-reset: pc-step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .checklist li {
  position: relative;
  padding-left: 38px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(243, 246, 255, .8);
}
.page-contact .checklist li::before {
  counter-increment: pc-step;
  content: "0" counter(pc-step);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-cyan);
}
.page-contact .checklist strong {
  color: var(--c-paper);
  font-weight: 600;
}

.page-contact .feedback-media {
  margin: clamp(22px, 3vw, 34px) 0 0;
}
.page-contact .feedback-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}
.page-contact .feedback-media figcaption {
  margin-top: 10px;
  font-family: var(--ff-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--c-rock);
}

/* ---------- 合作卡片（纸色） ---------- */
.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
}
.page-contact .partner-card {
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--c-bone);
  border: 1px solid rgba(10, 16, 48, .18);
  color: #2E3550;
  transition: transform var(--t-slow), box-shadow var(--t-slow);
}
.page-contact .partner-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(5, 8, 27, .52);
}
.page-contact .partner-card__tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 9px;
  background: var(--c-ink);
  color: var(--c-cyan);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .16em;
}
.page-contact .partner-card h3 {
  margin: 0 0 8px;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.24;
  letter-spacing: .01em;
  color: #0A1030;
}
.page-contact .partner-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: #2E3550;
}

/* ---------- 响应时段 ---------- */
.page-contact .hours-clock {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(158deg, rgba(37, 225, 212, .12), rgba(10, 16, 48, 0) 60%),
    var(--c-panel);
}
.page-contact .hours-clock__big {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--c-cyan);
}
.page-contact .hours-clock__sub {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 246, 255, .78);
}

.page-contact .hours-ticks {
  list-style: none;
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .tick {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0 14px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--t-fast), padding-left var(--t-fast);
}
.page-contact .tick:hover {
  background: rgba(37, 225, 212, .07);
  padding-left: 10px;
}
.page-contact .tick__time {
  font-family: var(--ff-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--c-orange);
}
.page-contact .tick__text {
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(243, 246, 255, .8);
}
.page-contact .tick--peak {
  border-bottom: 0;
  border-left: 2px solid var(--c-clay);
  padding-left: 12px;
}
.page-contact .tick--peak .tick__time {
  color: var(--c-clay);
}

/* ---------- 站务登记细线表 ---------- */
.page-contact .registry {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .registry__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .registry dt {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-rock);
}
.page-contact .registry dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

/* ---------- 常用入口 ---------- */
.page-contact .next-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--line);
}
.page-contact .next-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--c-paper);
  transition: color var(--t-fast), padding-left var(--t-fast);
}
.page-contact .next-links a:hover {
  color: var(--c-cyan);
  padding-left: 9px;
}
.page-contact .next-links strong {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: .01em;
}
.page-contact .next-links span {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-rock);
}
.page-contact .next-links a:hover span {
  color: rgba(243, 246, 255, .78);
}

/* ---------- 中小屏适配 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .channel {
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }
  .page-contact .channel:last-child {
    border-right: 0;
  }
  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 44px);
  }
  .page-contact .registry__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-cols {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, .85fr);
    align-items: start;
  }
  .page-contact .contact-cols__side {
    position: sticky;
    top: 84px;
  }
}

@media (min-width: 1160px) {
  .page-contact .layout {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 56px);
  }
  .page-contact .rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 11px;
  }
  .page-contact .rail {
    position: sticky;
    top: 84px;
    align-self: start;
    border-left: 1px solid var(--line-soft);
    padding-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .partner-card,
  .page-contact .tick,
  .page-contact .next-links a,
  .page-contact .rail__link,
  .page-contact .crumbs a {
    transition: none;
  }
  .page-contact .partner-card:hover {
    transform: none;
  }
}