.page-contact {
  --pc-gap: 20px;
  --pc-line: rgba(108, 124, 140, 0.32);
  padding: 8px 0 72px;
  color: var(--paper);
}

.page-contact .breadcrumbs {
  margin: 0 0 26px;
  font-size: 13px;
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .crumb-link {
  color: var(--steel-2);
  text-decoration: none;
  transition: color var(--ease);
}

.page-contact .crumb-link:hover,
.page-contact .crumb-link:focus-visible {
  color: var(--cyan);
}

.page-contact .crumb-sep {
  color: var(--steel);
}

.page-contact .crumb-current {
  font-family: var(--font-num);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  max-width: 900px;
}

.page-contact .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .lede {
  margin: 0;
  max-width: 70ch;
  font-size: clamp(15px, 4vw, 18px);
  line-height: 1.78;
  color: var(--steel-2);
}

.page-contact .jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .jump-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid rgba(34, 240, 224, 0.35);
  border-radius: var(--pill);
  background: rgba(34, 240, 224, 0.06);
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
}

.page-contact .jump-chip:hover,
.page-contact .jump-chip:focus-visible {
  background: rgba(34, 240, 224, 0.15);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

/* ---------- 区块骨架 ---------- */
.page-contact .section {
  margin-top: 56px;
  scroll-margin-top: 24px;
}

.page-contact .section-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .section-note {
  margin: 0 0 24px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel-2);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(16, 38, 58, 0.95), rgba(8, 19, 31, 0.96));
}

.page-contact .channel-card--mail {
  border-color: rgba(34, 240, 224, 0.5);
  box-shadow: 0 30px 70px -50px rgba(34, 240, 224, 0.9);
}

.page-contact .channel-card--address {
  background: radial-gradient(circle at 82% 12%, rgba(34, 240, 224, 0.16), transparent 58%),
    linear-gradient(180deg, var(--ink-700), var(--ink-800));
}

.page-contact .channel-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
}

.page-contact .channel-desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--steel-2);
}

.page-contact .address-note {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-contact .copy-stack {
  display: grid;
  gap: 10px;
}

.page-contact .copy-chip {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 1px dashed rgba(34, 240, 224, 0.4);
  border-radius: var(--radius-md);
  background: rgba(8, 19, 31, 0.62);
  color: var(--paper);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-contact .copy-chip:hover,
.page-contact .copy-chip:focus-visible {
  border-color: var(--cyan);
  background: rgba(34, 240, 224, 0.09);
  transform: translateY(-1px);
}

.page-contact .copy-chip.is-copied {
  border-style: solid;
  border-color: var(--green);
}

.page-contact .copy-value {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(15px, 4.4vw, 22px);
  letter-spacing: 0.06em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .copy-value--phone {
  font-size: clamp(22px, 7vw, 34px);
}

.page-contact .copy-hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--steel-2);
}

.page-contact .copy-status {
  min-height: 18px;
  margin-top: 6px;
  font-size: 12px;
  color: var(--green);
}

.page-contact .channel-scenes {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--pc-line);
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .channel-scenes li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-contact .scene-key {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  border-radius: var(--pill);
  background: rgba(255, 107, 44, 0.14);
  color: var(--orange);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .channel-visual {
  margin: 4px 0 0;
}

.page-contact .channel-visual .media-frame {
  border-radius: var(--radius-md);
}

/* ---------- 数据核对 ---------- */
.page-contact .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .step-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background: rgba(16, 38, 58, 0.55);
}

.page-contact .step-index {
  font-family: var(--font-num);
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
}

.page-contact .step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel-2);
}

.page-contact .mail-template {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid rgba(255, 107, 44, 0.4);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(255, 107, 44, 0.12), rgba(8, 19, 31, 0.6));
}

.page-contact .template-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  font-family: var(--font-num);
}

.page-contact .template-line {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: clamp(15px, 4.2vw, 22px);
  letter-spacing: 0.06em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .template-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-2);
}

/* ---------- 服务时间 ---------- */
.page-contact .hour-band {
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(16, 38, 58, 0.9), rgba(8, 19, 31, 0.9));
}

.page-contact .hour-track {
  position: relative;
  height: 14px;
  border-radius: var(--pill);
  background: rgba(108, 124, 140, 0.26);
  overflow: hidden;
}

.page-contact .hour-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 54.2%;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--orange), var(--amber));
  box-shadow: 0 0 20px rgba(255, 107, 44, 0.55);
}

.page-contact .hour-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--steel-2);
}

.page-contact .hour-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--amber);
}

.page-contact .hours-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-contact .serve-list {
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 2px solid rgba(255, 107, 44, 0.45);
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .serve-item {
  position: relative;
}

.page-contact .serve-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.16);
}

.page-contact .serve-time {
  display: block;
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .serve-text {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--steel-2);
}

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

/* ---------- 合作与反馈 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .partner-card {
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background: rgba(16, 38, 58, 0.6);
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-contact .partner-card:hover,
.page-contact .partner-card:focus-visible {
  border-color: rgba(34, 240, 224, 0.55);
  background: rgba(22, 50, 74, 0.75);
  transform: translateY(-2px);
}

.page-contact .partner-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
}

.page-contact .partner-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-contact .partner-extra {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-contact .flow-strip {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(100deg, rgba(34, 240, 224, 0.1), rgba(8, 19, 31, 0.5));
}

.page-contact .flow-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  font-family: var(--font-num);
  color: var(--cyan);
}

.page-contact .flow-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--pc-line);
  background: rgba(8, 19, 31, 0.6);
  font-size: 14px;
  color: var(--paper);
}

.page-contact .flow-index {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .flow-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-2);
}

/* ---------- 常见联系问题 ---------- */
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
}

.page-contact .filter-btn {
  padding: 8px 16px;
  border: 1px solid rgba(108, 124, 140, 0.5);
  border-radius: var(--pill);
  background: transparent;
  color: var(--steel-2);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-contact .filter-btn:hover,
.page-contact .filter-btn:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-contact .filter-count {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel-2);
}

.page-contact .qa-list {
  display: grid;
  gap: 10px;
}

.page-contact .qa-item {
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background: rgba(16, 38, 58, 0.55);
  overflow: hidden;
}

.page-contact .qa-item[open] {
  border-color: rgba(34, 240, 224, 0.45);
}

.page-contact .qa-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-contact .qa-q::-webkit-details-marker {
  display: none;
}

.page-contact .qa-q::after {
  content: "＋";
  flex: none;
  font-family: var(--font-num);
  color: var(--orange);
}

.page-contact .qa-item[open] .qa-q::after {
  content: "－";
}

.page-contact .qa-a {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-2);
}

.page-contact .filter-empty {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--amber);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .related-grid {
  gap: 14px;
}

.page-contact .related-card {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(16, 38, 58, 0.85), rgba(8, 19, 31, 0.85));
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--ease), transform var(--ease);
}

.page-contact .related-card:hover,
.page-contact .related-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .related-kicker {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .related-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .related-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .section {
    margin-top: 72px;
  }

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

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

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  .page-contact .hours-split {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-contact .channel-card {
    padding: 26px;
  }
}

@media (min-width: 860px) {
  .page-contact .partner-card .partner-extra {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 200ms ease, opacity 200ms ease, margin-top 200ms ease;
  }

  .page-contact .partner-card:hover .partner-extra,
  .page-contact .partner-card:focus .partner-extra,
  .page-contact .partner-card:focus-within .partner-extra {
    max-height: 10rem;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (min-width: 1080px) {
  .page-contact .step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .jump-chip,
  .page-contact .copy-chip,
  .page-contact .partner-card,
  .page-contact .partner-card .partner-extra,
  .page-contact .related-card {
    transition: none;
    transform: none;
  }
}
</main>