.page-contact {
  --pc-hair: rgba(61, 220, 223, .22);
  --pc-hair-soft: rgba(110, 136, 153, .28);
  --pc-panel: rgba(10, 42, 68, .66);
  --pc-shadow: 0 20px 48px rgba(2, 12, 22, .46);
  color: var(--white);
}

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

/* ── 首屏 ───────────────────────────── */
.page-contact .contact-hero {
  padding: clamp(28px, 5vw, 56px) 0 clamp(48px, 7vw, 96px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 62px);
  align-items: center;
}

.page-contact .contact-hero__intro {
  max-width: 44ch;
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-size: clamp(34px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-contact .contact-hero__title span {
  color: var(--orange);
}

.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 36ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(234, 253, 253, .78);
}

.page-contact .contact-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__media {
  position: relative;
  border: 1px solid var(--pc-hair);
  box-shadow: var(--pc-shadow);
  overflow: hidden;
}

.page-contact .contact-hero__media::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--orange);
  z-index: 2;
}

.page-contact .contact-hero__media .media__cap {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(234, 253, 253, .55);
}

/* ── 联系入口 ───────────────────────── */
.page-contact .contact-channels {
  padding: clamp(52px, 8vw, 100px) 0 0;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 28px;
  background: var(--pc-panel);
  border: 1px solid var(--pc-hair-soft);
  border-top: 3px solid var(--cyan);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--hair-cyan);
}

.page-contact .contact-card--primary {
  border-top-color: var(--orange);
}

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-contact .contact-card--primary .contact-card__label {
  color: var(--orange-soft);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.55;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-card__value--address {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: .01em;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 253, 253, .62);
}

.page-contact .contact-card__actions {
  margin-top: auto;
  padding-top: 16px;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--hair-cyan);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .copy-btn:hover {
  background: rgba(61, 220, 223, .12);
  border-color: var(--cyan);
}

.page-contact .copy-btn[data-copied] {
  color: var(--orange);
  border-color: var(--orange);
}

/* ── 反馈准备 ───────────────────────── */
.page-contact .contact-prep {
  padding: clamp(56px, 8vw, 104px) 0 0;
}

.page-contact .contact-prep__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-prep__body .section__note {
  margin-top: 14px;
}

.page-contact .contact-checklist {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-hair-soft);
}

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 2px;
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .contact-checklist__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .contact-checklist__title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 7px;
}

.page-contact .contact-checklist__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(234, 253, 253, .72);
}

.page-contact .contact-prep__media {
  position: relative;
  border: 1px solid var(--pc-hair);
  overflow: hidden;
}

.page-contact .contact-prep__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(61, 220, 223, .14), transparent 52%);
  pointer-events: none;
}

.page-contact .contact-prep__media .media__cap {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(234, 253, 253, .55);
}

/* ── 问题归位 ───────────────────────── */
.page-contact .contact-routes {
  padding: clamp(56px, 8vw, 104px) 0 0;
}

.page-contact .contact-routes .filter-bar {
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-contact .contact-routes__list {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-contact .contact-route {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px 24px;
  background: linear-gradient(150deg, rgba(10, 42, 68, .9), rgba(6, 27, 46, .76));
  border: 1px solid var(--pc-hair-soft);
  border-left: 3px solid var(--cyan);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-route:hover {
  transform: translateY(-4px);
  border-color: var(--hair-cyan);
  border-left-color: var(--orange);
}

.page-contact .contact-route.is-filtered-out {
  display: none;
}

.page-contact .contact-route__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 12px;
}

.page-contact .contact-route__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-route__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 253, 253, .74);
  max-width: 68ch;
}

.page-contact .contact-route__links {
  margin-top: auto;
  padding-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.page-contact .contact-route__links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 220, 223, .35);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-route__links a:hover {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

/* ── 回复节奏 ───────────────────────── */
.page-contact .contact-rhythm {
  padding: clamp(56px, 8vw, 104px) 0 0;
}

.page-contact .contact-rhythm__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .contact-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-hair-soft);
}

.page-contact .contact-rhythm__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 2px;
  border-bottom: 1px solid var(--pc-hair-soft);
}

.page-contact .contact-rhythm__step {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-contact .contact-rhythm__title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 7px;
}

.page-contact .contact-rhythm__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(234, 253, 253, .72);
}

.page-contact .contact-rhythm__team {
  padding: 26px 24px 28px;
  background: var(--pc-panel);
  border: 1px solid var(--pc-hair-soft);
  border-bottom: 3px solid var(--cyan-soft);
}

.page-contact .contact-rhythm__team-label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

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

.page-contact .contact-rhythm__fact {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(110, 136, 153, .2);
}

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

.page-contact .contact-rhythm__fact .data-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
}

.page-contact .contact-rhythm__fact-text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(234, 253, 253, .68);
}

/* ── 站点信息 ───────────────────────── */
.page-contact .contact-record {
  padding: clamp(56px, 8vw, 104px) 0 clamp(60px, 9vw, 120px);
}

.page-contact .contact-record__panel {
  padding: clamp(28px, 4.4vw, 52px);
  color: var(--ink);
}

.page-contact .contact-record__eyebrow {
  color: #4A7185;
}

.page-contact .contact-record__title {
  margin: 14px 0 0;
  font-size: clamp(21px, 2.7vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .contact-record__text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: #3D5666;
}

.page-contact .contact-record__rows {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-top: 1px solid rgba(18, 33, 46, .12);
}

.page-contact .contact-record__row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(18, 33, 46, .12);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-contact .contact-record__row dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: #6E8899;
}

.page-contact .contact-record__row dd {
  margin: 0;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-record__links {
  margin: clamp(22px, 3vw, 30px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .contact-record__links a {
  font-size: 14px;
  font-weight: 600;
  color: #1E6F76;
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 111, 118, .4);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-record__links a:hover {
  color: #C2611F;
  border-bottom-color: #C2611F;
}

/* ── 响应式 ─────────────────────────── */
@media (min-width: 720px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-contact .contact-rhythm__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }
}

@media (max-width: 520px) {
  .page-contact .contact-checklist__item,
  .page-contact .contact-rhythm__item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .contact-rhythm__fact {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 12px;
  }

  .page-contact .contact-record__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}