.page-contact {
  --contact-hair: rgba(142,155,170,.22);
  --contact-radius: clamp(18px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: calc(var(--header-h) + clamp(26px, 6vw, 62px));
  padding-bottom: clamp(20px, 4vw, 34px);
}

.page-contact .contact-hero__head {
  display: grid;
  gap: clamp(16px, 3vw, 30px);
  margin-top: clamp(18px, 4vw, 32px);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.05rem, 6.4vw, 4.15rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  max-width: 22ch;
}

.page-contact .contact-hero__aside p {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  color: var(--text-soft);
  max-width: 46ch;
}

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

.page-contact .contact-hero__media {
  margin: clamp(24px, 5vw, 46px) 0 0;
  border-radius: var(--contact-radius);
  overflow: hidden;
  border: 1px solid var(--contact-hair);
  background: linear-gradient(140deg, rgba(18,41,63,.9), rgba(6,13,22,.95));
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 栏目导航 ---------- */
.page-contact .contact-nav {
  position: sticky;
  top: var(--header-h-scrolled);
  z-index: 8;
  background: rgba(6,13,22,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--contact-hair);
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-nav__inner {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.page-contact .contact-nav__inner::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-nav__list {
  display: flex;
  gap: 10px;
  padding-block: 10px;
}

.page-contact .contact-nav__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--contact-hair);
  color: var(--text-soft);
  font-size: .84rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .24s ease, color .24s ease, background .24s ease;
}

.page-contact .contact-nav__link:hover {
  border-color: rgba(200,255,77,.5);
  color: var(--paper-100);
}

.page-contact .contact-nav__link[aria-current="true"] {
  background: rgba(200,255,77,.12);
  border-color: rgba(200,255,77,.6);
  color: var(--volt-400);
}

/* ---------- 主体栅格 ---------- */
.page-contact .contact-body__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  padding-block: clamp(30px, 6vw, 62px);
}

/* ---------- 渠道卡栏 ---------- */
.page-contact .contact-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 1.9rem);
  line-height: 1.16;
}

.page-contact .contact-rail__lede {
  margin: 0 0 20px;
  color: var(--text-dim);
  font-size: .95rem;
  max-width: 40ch;
}

.page-contact .channel-card {
  position: relative;
  margin-bottom: 14px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-md);
  border: 1px solid var(--contact-hair);
  background: linear-gradient(158deg, rgba(18,41,63,.92), rgba(10,22,38,.9));
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--volt-400), var(--cyan-400), var(--amber-500));
  opacity: .55;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 30px 60px -40px rgba(0,0,0,.95);
}

.page-contact .channel-card--mail:hover,
.page-contact .channel-card--mail:focus-within {
  border-color: rgba(200,255,77,.5);
}

.page-contact .channel-card--phone:hover,
.page-contact .channel-card--phone:focus-within {
  border-color: rgba(255,162,58,.5);
}

.page-contact .channel-card__value {
  margin: 8px 0 10px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(.98rem, 2.3vw, 1.2rem);
  letter-spacing: -0.01em;
  word-break: break-all;
}

.page-contact .channel-card--mail .channel-card__value {
  color: var(--volt-400);
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--amber-500);
}

.page-contact .channel-card__note {
  margin: 0;
  color: var(--text-soft);
  font-size: .92rem;
  line-height: 1.7;
}

.page-contact .contact-rail__foot {
  margin: 6px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
  color: var(--text-dim);
  font-size: .84rem;
  line-height: 1.7;
}

/* ---------- 内容流 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: clamp(34px, 5.5vw, 58px);
  min-width: 0;
}

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

.page-contact .contact-block__index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--volt-400);
}

.page-contact .contact-block__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-contact .contact-block__lede {
  margin: 0;
  color: var(--text-soft);
  max-width: 54ch;
}

/* 四类问题 */
.page-contact .topic-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .topic-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 24px);
  border-radius: var(--radius-md);
  border: 1px solid var(--contact-hair);
  background: linear-gradient(150deg, rgba(18,41,63,.55), rgba(10,22,38,.6));
}

.page-contact .topic-item:first-child {
  border-color: rgba(200,255,77,.34);
}

.page-contact .topic-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.35;
}

.page-contact .topic-item__text {
  margin: 0;
  color: var(--text-soft);
  font-size: .94rem;
  line-height: 1.72;
}

.page-contact .topic-item__tag {
  align-self: flex-start;
  margin: 4px 0 0;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(200,255,77,.32);
  background: rgba(200,255,77,.1);
  color: var(--volt-400);
  font-size: .76rem;
  letter-spacing: .04em;
}

/* 纸色面板 */
.page-contact .contact-paper {
  padding: clamp(22px, 4vw, 38px);
  border-radius: var(--radius-lg);
  background: var(--paper-100);
  color: var(--ink-900);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-paper .contact-block__index {
  color: rgba(6,13,22,.45);
}

.page-contact .contact-paper .contact-block__lede {
  color: rgba(6,13,22,.7);
}

.page-contact .brief-list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--amber-500);
  background: rgba(227,218,203,.6);
}

.page-contact .brief-item__num {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .92rem;
  color: rgba(6,13,22,.55);
}

.page-contact .brief-item__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink-900);
}

.page-contact .brief-item__body p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: rgba(6,13,22,.76);
}

/* 数据纠错 */
.page-contact .fixup-grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-contact .fixup-item {
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--contact-hair);
  background: rgba(18,41,63,.4);
}

.page-contact .fixup-item__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

.page-contact .fixup-item p {
  margin: 0;
  color: var(--text-soft);
  font-size: .93rem;
  line-height: 1.7;
}

.page-contact .fixup-note {
  margin: clamp(16px, 2.6vw, 22px) 0 0;
  padding-left: 16px;
  border-left: 2px solid rgba(200,255,77,.4);
  color: var(--text-dim);
  font-size: .9rem;
  line-height: 1.75;
}

/* 时段刻度条 */
.page-contact .hourbar {
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-md);
  border: 1px solid var(--contact-hair);
  background: linear-gradient(180deg, rgba(18,41,63,.72), rgba(10,22,38,.72));
}

.page-contact .hourbar__track {
  display: flex;
  gap: 4px;
}

.page-contact .hourbar__seg {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  min-width: 0;
  min-height: 58px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(142,155,170,.14);
  color: var(--text-soft);
  transition: background .26s ease, color .26s ease;
}

.page-contact .hourbar__seg--auto {
  flex: 9 1 0%;
}

.page-contact .hourbar__seg--tail {
  flex: 6 1 0%;
}

.page-contact .hourbar__seg--live {
  flex: 9 1 0%;
  background: linear-gradient(135deg, rgba(200,255,77,.92), rgba(53,208,186,.86));
  color: var(--ink-950);
}

.page-contact .hourbar__seg:hover {
  background: rgba(142,155,170,.26);
}

.page-contact .hourbar__seg--live:hover {
  background: linear-gradient(135deg, var(--volt-400), var(--cyan-400));
}

.page-contact .hourbar__seg-time {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  letter-spacing: .02em;
}

.page-contact .hourbar__seg-state {
  font-size: .76rem;
  opacity: .9;
}

.page-contact .hourbar__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--text-dim);
  font-size: .82rem;
}

.page-contact .hourbar__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* 地址卡 */
.page-contact .address-card {
  margin-top: 18px;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-md);
  border: 1px dashed var(--line-strong);
  background: rgba(10,22,38,.6);
}

.page-contact .address-card__value {
  margin: 8px 0 8px;
  font-size: clamp(1rem, 2.4vw, 1.16rem);
  line-height: 1.6;
  color: var(--paper-100);
}

.page-contact .address-card__note {
  margin: 0;
  color: var(--text-dim);
  font-size: .88rem;
  line-height: 1.7;
}

.page-contact .contact-hours__media {
  margin: clamp(20px, 3.4vw, 30px) 0 0;
  border-radius: var(--contact-radius);
  overflow: hidden;
  border: 1px solid var(--contact-hair);
  background: linear-gradient(140deg, rgba(18,41,63,.85), rgba(6,13,22,.92));
}

.page-contact .contact-hours__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 末段 ---------- */
.page-contact .contact-next {
  padding-block: clamp(10px, 3vw, 24px) clamp(46px, 8vw, 92px);
}

.page-contact .contact-next__panel {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(200,255,77,.26);
  background:
    radial-gradient(120% 150% at 88% 0%, rgba(200,255,77,.13), transparent 62%),
    linear-gradient(160deg, rgba(18,41,63,.86), rgba(6,13,22,.92));
}

.page-contact .contact-next__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.15;
}

.page-contact .contact-next__body p {
  margin: 0;
  color: var(--text-soft);
  max-width: 62ch;
  line-height: 1.78;
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .topic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding-bottom: 20px;
  }

  .page-contact .topic-item:nth-child(even) {
    transform: translateY(20px);
  }

  .page-contact .fixup-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .brief-item {
    padding: 18px 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
  }

  .page-contact .contact-next__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .contact-next__links {
    justify-content: flex-end;
    max-width: 30rem;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-body__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .contact-rail__inner {
    position: sticky;
    top: calc(var(--header-h-scrolled) + 66px);
  }
}

@media (max-width: 560px) {
  .page-contact .contact-nav {
    position: static;
  }

  .page-contact .hourbar__seg {
    padding: 10px 8px;
  }

  .page-contact .hourbar__seg-state {
    font-size: .7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .contact-nav__link,
  .page-contact .hourbar__seg {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }

  .page-contact .topic-item:nth-child(even) {
    transform: none;
  }
}