.page-contact {
  --c-rail-w: 296px;
  --c-gap: clamp(26px, 4vw, 60px);
  --c-flow-gap: clamp(30px, 4.4vw, 50px);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(157, 184, 174, 0.5);
}

.page-contact .breadcrumb__link {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumb__link:hover {
  color: var(--cyan-soft);
}

.page-contact .contact-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 8vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--chalk);
  max-width: 20ch;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 2.6vw, 17.5px);
  line-height: 1.78;
  color: var(--sage);
}

.page-contact .contact-hero__media {
  position: relative;
  margin-top: clamp(26px, 4vw, 46px);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: 0 0 0 1px var(--glass-line-soft);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 17, 14, 0.05) 0%, rgba(6, 17, 14, 0.55) 68%, rgba(6, 17, 14, 0.9) 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: clamp(160px, 26vw, 320px);
  object-fit: cover;
  filter: saturate(0.8) contrast(1.06) brightness(0.75);
}

/* ---------- 双轨主体 ---------- */
.page-contact .contact-body {
  padding-top: clamp(34px, 5vw, 60px);
}

.page-contact .contact-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--c-gap);
  align-items: start;
}

.page-contact .contact-rail {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-contact .contact-rail__title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-block {
  border: 1px solid var(--glass-line-soft);
  border-radius: var(--radius-m);
  background: var(--glass);
  padding: 18px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .contact-block:hover {
  border-color: var(--glass-line);
}

.page-contact .contact-block__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .contact-block__value {
  margin: 0;
  color: var(--chalk);
  line-height: 1.5;
}

.page-contact .contact-block__value--mail {
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.8vw, 16.5px);
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  color: var(--cyan-soft);
}

.page-contact .contact-block__value--tel {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 7vw, 34px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--flame);
}

.page-contact .contact-block__addr-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-contact .contact-block__value--addr {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .contact-compass {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  color: var(--cyan);
  opacity: 0.92;
}

.page-contact .contact-block__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--sage);
}

.page-contact .contact-rail__hours {
  position: relative;
  margin: 6px 0 0;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .contact-rail__hours::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 右侧说明流 ---------- */
.page-contact .contact-flow {
  min-width: 0;
}

.page-contact .contact-flow__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--chalk);
  max-width: 22ch;
}

.page-contact .contact-flow__lead {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--sage);
}

.page-contact .contact-flow__sep {
  border: 0;
  height: 1px;
  margin: var(--c-flow-gap) 0;
  background: linear-gradient(90deg, var(--glass-line), transparent 72%);
}

/* 渠道分流 */
.page-contact .contact-route {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .contact-route__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--radius-s);
  border-left: 2px solid transparent;
  background: var(--ink-900);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .contact-route__item:hover {
  border-left-color: var(--cyan);
  background: var(--ink-850);
}

.page-contact .contact-route__key {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--chalk);
}

.page-contact .contact-route__val {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--sage);
}

/* 问题类型选择器 */
.page-contact .contact-picker__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-contact .contact-tab {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid var(--glass-line-soft);
  background: var(--glass);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .contact-tab:hover {
  border-color: var(--glass-line);
  color: var(--cyan-soft);
}

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

.page-contact .contact-tab[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(79, 227, 193, 0.22), rgba(79, 227, 193, 0.05));
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-contact .contact-picker__panels {
  display: grid;
  gap: 14px;
}

.page-contact .contact-panel {
  padding: clamp(18px, 2.6vw, 24px);
  border-radius: var(--radius-m);
  border: 1px solid var(--glass-line-soft);
  background: linear-gradient(160deg, var(--ink-850), var(--ink-900) 62%);
}

.page-contact .contact-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.page-contact .contact-panel__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

.page-contact .contact-panel__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .contact-panel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--chalk);
}

.page-contact .contact-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
}

/* 自助入口 */
.page-contact .contact-self {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .contact-self__item {
  border: 1px solid var(--glass-line-soft);
  border-radius: var(--radius-m);
  background: var(--glass);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .contact-self__item:hover {
  border-color: var(--glass-line);
}

.page-contact .contact-self__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .contact-self__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--chalk);
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-self__trigger:hover {
  color: var(--cyan-soft);
}

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

.page-contact .contact-self__chev {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-contact .contact-self__trigger[aria-expanded="true"] .contact-self__chev {
  transform: rotate(225deg);
}

.page-contact .contact-self__panel {
  border-top: 1px solid var(--glass-line-soft);
}

.page-contact .contact-self__body {
  padding: 16px 18px 20px;
}

.page-contact .contact-self__body p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--sage);
}

.page-contact .contact-self__link {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 193, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-self__link:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* 侧图 */
.page-contact .contact-solo-media {
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  border: 1px solid var(--glass-line-soft);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-900);
}

.page-contact .contact-solo-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.05) brightness(0.8);
}

.page-contact .contact-solo-media figcaption {
  padding: 12px 16px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

/* 收尾 */
.page-contact .contact-closing {
  margin-top: var(--c-flow-gap);
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-m);
  border: 1px solid var(--glass-line-soft);
  background: linear-gradient(135deg, rgba(79, 227, 193, 0.13), rgba(255, 90, 54, 0.08) 68%, transparent);
}

.page-contact .contact-closing p {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--chalk);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-flow__sep {
    background: linear-gradient(90deg, var(--glass-line), transparent 84%);
  }
}

@media (min-width: 720px) {
  .page-contact .contact-route__item {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 18px 22px;
  }

  .page-contact .contact-picker__panels {
    gap: 16px;
  }
}

/* ---------- 桌面：左侧固定，右侧滚动 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-body__grid {
    grid-template-columns: var(--c-rail-w) minmax(0, 1fr);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
    align-self: start;
  }

  .page-contact .contact-hero__title {
    max-width: 18ch;
  }

  .page-contact .contact-block {
    padding: 20px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-flow__title {
    max-width: 24ch;
  }

  .page-contact .contact-solo-media {
    margin-top: clamp(32px, 4vw, 48px);
  }
}