.page-contact {
  --c-gap: clamp(18px, 3.4vw, 40px);
  --c-radius: 14px;
  --c-line-dash: rgba(155, 171, 196, 0.34);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
  background:
    radial-gradient(880px 420px at 88% -8%, rgba(255, 107, 26, 0.16), transparent 62%),
    radial-gradient(700px 420px at -10% 14%, rgba(0, 201, 167, 0.11), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 44%, var(--ink-900) 100%);
  color: var(--text);
}

/* ---------- 顶部与首屏 ---------- */
.page-contact .contact-top {
  padding-top: calc(var(--header-h) + 12px);
  padding-bottom: 4px;
}

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(16px, 3vw, 30px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: var(--c-gap);
  align-items: start;
}

.page-contact .contact-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 6.4vw, 74px);
  font-weight: 200;
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-contact .contact-intro {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-facts {
  display: grid;
  gap: 14px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-facts > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .contact-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .contact-facts dd {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .contact-facts dd.num {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
}

.page-contact .contact-ticks {
  height: 10px;
  margin-top: clamp(26px, 4vw, 46px);
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 28px);
  border-top: 1px solid var(--line);
  opacity: 0.8;
}

/* ---------- 锚点导航 ---------- */
.page-contact .contact-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  margin-top: clamp(22px, 4vw, 40px);
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-jump__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 11px;
  padding-bottom: 11px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-contact .contact-jump__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .contact-jump__links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}

.page-contact .contact-jump__links a {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .contact-jump__links a:hover,
.page-contact .contact-jump__links a:focus-visible {
  color: var(--text);
  border-color: var(--line-orange);
  background: rgba(255, 107, 26, 0.1);
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  padding-top: clamp(44px, 7vw, 88px);
}

.page-contact .contact-section h2 {
  font-size: clamp(22px, 3.2vw, 32px);
}

.page-contact .split {
  display: grid;
  gap: var(--c-gap);
  margin-top: clamp(22px, 3.4vw, 34px);
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: 22px 22px 20px 26px;
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), var(--orange-soft));
}

.page-contact .channel-card:hover {
  border-color: var(--line-orange);
  background: rgba(18, 48, 92, 0.7);
}

.page-contact .channel-card__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .channel-card__value {
  display: inline-block;
  margin: 12px 0 14px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 21px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text);
  border-bottom: 1px solid var(--line-orange);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--mail {
  font-size: clamp(13px, 1.9vw, 16px);
}

.page-contact .channel-card__desc {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-diagram {
  margin-top: clamp(26px, 4vw, 42px);
}

/* ---------- 在线时段 ---------- */
.page-contact .hours-axis {
  display: grid;
  gap: 22px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .hours-row {
  display: grid;
  gap: 10px;
}

.page-contact .hours-row__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .hours-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-contact .hours-bar > span {
  position: relative;
  z-index: 1;
}

.page-contact .hours-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(232, 237, 245, 0.16) 0 1px, transparent 1px 26px);
  opacity: 0.55;
}

.page-contact .hours-bar--weekday {
  background: linear-gradient(90deg, rgba(0, 201, 167, 0.2), rgba(18, 48, 92, 0.55));
}

.page-contact .hours-bar--matchday {
  background: linear-gradient(90deg, rgba(255, 107, 26, 0.24), rgba(18, 48, 92, 0.55));
}

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

.page-contact .hours-foot {
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  max-width: 68ch;
  padding-left: 16px;
  border-left: 2px solid var(--line-orange);
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 纠错流程 ---------- */
.page-contact .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 0;
  border-left: 1px dashed var(--c-line-dash);
}

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

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

.page-contact .step__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-orange);
  border-radius: 10px;
  background: rgba(255, 107, 26, 0.09);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-contact .step__title {
  margin: 8px 0 8px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .step__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .step__text a,
.page-contact .checklist-panel__note a,
.page-contact .compliance-note__text a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 201, 167, 0.45);
}

.page-contact .step__text a:hover,
.page-contact .checklist-panel__note a:hover,
.page-contact .compliance-note__text a:hover {
  border-bottom-color: var(--mint);
}

.page-contact .checklist-panel {
  align-self: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  background: var(--ink-700);
}

.page-contact .checklist-panel__title {
  margin: 12px 0 16px;
  font-size: 19px;
  font-weight: 900;
}

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

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .checklist li::before {
  content: "";
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
}

.page-contact .checklist-panel__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 授权与合作 ---------- */
.page-contact .fact-list {
  display: grid;
  gap: 0;
}

.page-contact .fact-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .fact-item:first-child {
  padding-top: 0;
}

.page-contact .fact-item:last-child {
  border-bottom: 0;
}

.page-contact .fact-item__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-soft);
}

.page-contact .fact-item__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .note-stack {
  display: grid;
  gap: 16px;
  align-self: start;
}

.page-contact .note-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  background: rgba(18, 48, 92, 0.38);
}

.page-contact .note-card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .note-card .panel__label {
  margin: 0;
}

/* ---------- 通信地址 ---------- */
.page-contact .address-panel {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-strong);
  border-radius: var(--c-radius);
  background: var(--ink-700);
}

.page-contact .address-panel::before,
.page-contact .address-panel::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--orange);
}

.page-contact .address-panel::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .address-panel::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .address-panel__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .address-panel__value {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

.page-contact .address-panel__note {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .address-foot {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 备案与合规 ---------- */
.page-contact .compliance-note {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .compliance-note__record {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  opacity: 0.85;
}

.page-contact .compliance-note__text {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 820px) {
  .page-contact .hours-row {
    grid-template-columns: 112px minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 24px;
  }

  .page-contact .hours-row__note {
    margin: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .channel-card:nth-child(1) {
    grid-column: span 5;
  }

  .page-contact .channel-card:nth-child(2) {
    grid-column: span 7;
  }

  .page-contact .channel-card--wide {
    grid-column: span 12;
    padding: 26px 34px 24px 34px;
  }

  .page-contact .split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 64px);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-contact .contact-hero__figure {
    margin-top: 6px;
  }
}

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