/* ===== 联系通道 page-contact ===== */
.page-contact {
  --ct-radius: 26px;
  --ct-radius-sm: 16px;
  --ct-pill: 999px;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: var(--shell-w);
  padding: clamp(18px, 3vw, 32px) var(--gutter) 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-contact .contact-hero__grid {
  align-items: start;
  row-gap: clamp(28px, 4vw, 48px);
}

.page-contact .contact-hero__lead,
.page-contact .contact-hero__media {
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 6.2vw, 56px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-hero__points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .contact-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .contact-hero__media .img-frame {
  border-radius: var(--ct-radius);
  overflow: hidden;
}

.page-contact .contact-hero__caption {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
  border-left: 2px solid var(--line);
  padding-left: 12px;
}

/* ---------- 两个渠道 ---------- */
.page-contact .channel-grid {
  row-gap: clamp(18px, 3vw, 28px);
}

.page-contact .channel-card {
  display: flex;
  gap: clamp(16px, 2.4vw, 24px);
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background: linear-gradient(158deg, var(--panel) 0%, var(--deep) 72%);
  transition: border-color var(--dur-base) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--cyan);
}

.page-contact .channel-card__icon {
  flex: 0 0 56px;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--cyan);
  background: var(--void);
}

.page-contact .channel-card--phone .channel-card__icon {
  color: var(--orange);
}

.page-contact .channel-card__body {
  min-width: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .channel-card__label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--silver);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 20px);
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .channel-card__chip {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 服务时段 ---------- */
.page-contact .hours-strip {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background: var(--line);
  overflow: hidden;
}

.page-contact .hours-strip__item {
  background: var(--deep);
  padding: clamp(20px, 3.2vw, 32px);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .hours-strip__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 32px);
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--cyan);
}

.page-contact .hours-strip__label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--paper);
}

.page-contact .hours-strip__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 邮件写法 ---------- */
.page-contact .mail-format {
  border: 1px dashed var(--line);
  border-radius: var(--ct-radius);
  background: var(--panel);
  padding: clamp(22px, 4vw, 40px);
}

.page-contact .mail-format__hint {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--silver);
}

.page-contact .mail-format__code {
  display: inline-block;
  margin: 0;
  padding: 10px 18px;
  border-radius: var(--ct-radius-sm);
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 20px);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .mail-format__rows {
  margin-top: 26px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius-sm);
  overflow: hidden;
}

.page-contact .mail-format__row {
  display: grid;
  gap: 6px;
  padding: 14px clamp(16px, 2.4vw, 22px);
  background: var(--deep);
}

.page-contact .mail-format__row-key {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .mail-format__row-val {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .mail-format__tips {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .mail-format__tips li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .mail-format__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 按问题类型准备材料 ---------- */
.page-contact .prep-tabs {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .prep-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-tabs .tabs__tab {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--silver);
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.06em;
  padding: 10px 22px;
  border-radius: var(--ct-pill);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease);
}

.page-contact .prep-tabs .tabs__tab:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-contact .prep-tabs .tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

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

.page-contact .tabs__panel {
  padding-top: clamp(20px, 3vw, 30px);
}

.page-contact .prep-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .prep-panel__list li {
  position: relative;
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

.page-contact .prep-panel__list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--orange);
}

/* ---------- 处理路径 ---------- */
.page-contact .flow-grid {
  row-gap: clamp(30px, 4vw, 48px);
}

.page-contact .flow {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-contact .flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 22px);
  padding-bottom: clamp(24px, 3.4vw, 34px);
}

.page-contact .flow__item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

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

.page-contact .flow__item:last-child::before {
  display: none;
}

.page-contact .flow__idx {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--deep);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  transition: border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}

.page-contact .flow__item:hover .flow__idx {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-contact .flow__body {
  min-width: 0;
}

.page-contact .flow__title {
  margin: 8px 0 6px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .flow__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .flow__aside {
  min-width: 0;
}

.page-contact .flow__media {
  border-radius: var(--ct-radius);
  overflow: hidden;
}

.page-contact .flow__caption {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
  border-left: 2px solid var(--orange);
  padding-left: 12px;
}

/* ---------- 联系地址 ---------- */
.page-contact .address-block {
  max-width: 760px;
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background: linear-gradient(170deg, var(--deep) 0%, var(--void) 100%);
  padding: clamp(30px, 6vw, 64px);
  margin-top: clamp(24px, 5vw, 56px);
  margin-bottom: clamp(24px, 5vw, 56px);
}

.page-contact .address-block__label {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid rgba(226, 196, 140, 0.45);
  border-radius: var(--ct-pill);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .address-block__line {
  margin: 24px 0 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .address-block__meta {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 先查后问 ---------- */
.page-contact .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  overflow: hidden;
}

.page-contact .next-links__item {
  background: var(--deep);
}

.page-contact .next-links__item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(18px, 2.6vw, 24px) clamp(18px, 3vw, 28px);
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.page-contact .next-links__item a::after {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--cyan);
  transition: transform var(--dur-base) var(--ease);
}

.page-contact .next-links__item a:hover,
.page-contact .next-links__item a:focus-visible {
  background: var(--panel);
  color: var(--cyan);
}

.page-contact .next-links__item a:hover::after {
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .mail-format__row {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
  }
}

@media (min-width: 768px) {
  .page-contact .hours-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .flow__aside {
    position: sticky;
    top: calc(var(--topbar-h) + 32px);
  }

  .page-contact .address-block {
    margin-left: clamp(0px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .flow__idx,
  .page-contact .next-links__item a,
  .page-contact .next-links__item a::after,
  .page-contact .prep-tabs .tabs__tab {
    transition-duration: 1ms;
  }

  .page-contact .next-links__item a:hover::after {
    transform: none;
  }
}