.page-contact {
  --pc-hair: rgba(243, 236, 223, 0.1);
  --pc-wash: rgba(28, 21, 34, 0.7);
  display: block;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 84% 4%, var(--glow-a), transparent 44%),
    radial-gradient(circle at 4% 58%, var(--glow-b), transparent 38%);
  color: var(--text);
  padding-bottom: clamp(56px, 9vw, 120px);
}

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

.page-contact .pc-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  padding: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-contact .crumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-contact .crumb a:hover {
  color: var(--cyan);
}

.page-contact .crumb span::before {
  content: "/";
  margin: 0 8px;
  color: var(--line-violet);
}

/* ---------- 区块骨架 ---------- */
.page-contact .pc-band {
  padding-top: clamp(52px, 8vw, 104px);
}

.page-contact .pc-band--hero {
  padding-top: clamp(20px, 3.4vw, 42px);
}

.page-contact .pc-head {
  max-width: 76ch;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-contact .pc-head h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.1vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.018em;
  font-weight: 700;
  color: var(--text-strong);
}

.page-contact .pc-head__hint {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
  max-width: 72ch;
}

.page-contact h3 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-strong);
}

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

.page-contact .plain-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

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

.page-contact .pc-shot {
  margin: 0;
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .hero-grid {
  display: grid;
  gap: clamp(26px, 4.5vw, 60px);
  align-items: start;
  margin-top: clamp(20px, 3.2vw, 38px);
}

.page-contact h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.024em;
  font-weight: 800;
  color: var(--text-strong);
}

.page-contact .hero-lede {
  margin-top: 20px;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--text-dim);
}

.page-contact .hero-panel {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(28, 21, 34, 0.96), rgba(11, 7, 20, 0.88));
  padding: clamp(20px, 2.6vw, 30px);
  box-shadow: var(--shadow-soft);
}

.page-contact .hero-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 72%, transparent);
}

.page-contact .hero-panel__title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-strong);
}

/* ---------- 响应时段刻度 ---------- */
.page-contact .scale {
  margin-top: 20px;
}

.page-contact .scale__track {
  position: relative;
  height: 4px;
  border-radius: 2px;
  background: var(--bg-3);
}

.page-contact .scale__band {
  position: absolute;
  top: 50%;
  left: 20%;
  width: 60%;
  height: 12px;
  transform: translateY(-50%);
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(43, 227, 198, 0.92), rgba(122, 59, 255, 0.92));
}

.page-contact .scale__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* ---------- 首屏信息行 ---------- */
.page-contact .hero-rows {
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-contact .hero-row {
  display: grid;
  gap: 4px;
}

.page-contact .hero-row dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dust);
}

.page-contact .hero-row dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .hero-panel__note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 渠道选择 ---------- */
.page-contact .routes-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
  align-items: start;
}

.page-contact .routes-tabs {
  min-width: 0;
}

.page-contact .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--line);
}

.page-contact .tabs__tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 11px 16px;
  cursor: pointer;
  transition: color 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-contact .tabs__tab:hover {
  color: var(--text);
  background: rgba(42, 27, 74, 0.5);
}

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

.page-contact .tabs__tab[aria-selected="true"] {
  color: var(--text-strong);
  border-bottom-color: var(--violet);
}

.page-contact .tabs__panel {
  padding-top: 24px;
  animation: pc-fade 220ms var(--ease);
}

.page-contact .tabs__panel[hidden] {
  display: none;
}

.page-contact .panel-lead {
  font-size: 15px;
  line-height: 1.82;
  color: var(--text);
  max-width: 60ch;
}

.page-contact .panel-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .panel-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 1px;
  background: var(--violet);
}

.page-contact .panel-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text);
}

@keyframes pc-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 邮箱通道 ---------- */
.page-contact .mail-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .mail-card {
  background: var(--pc-wash);
  padding: clamp(22px, 2.8vw, 34px);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .mail-card--accent {
  background: linear-gradient(150deg, rgba(42, 27, 74, 0.72), rgba(28, 21, 34, 0.8));
}

.page-contact .mail-card__legend {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .mail-card__addr {
  font-size: clamp(14px, 1.7vw, 17px);
  line-height: 1.5;
  color: var(--text-strong);
  overflow-wrap: anywhere;
}

.page-contact .mail-card__desc {
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 46ch;
}

.page-contact .copy-btn {
  justify-self: start;
}

.page-contact .mail-tips {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .mail-tips h3 {
  margin: 0 0 18px;
}

.page-contact .mail-tips ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pc-step;
  display: grid;
  gap: 16px;
}

.page-contact .mail-tips li {
  counter-increment: pc-step;
  position: relative;
  padding-left: 44px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 78ch;
}

.page-contact .mail-tips li::before {
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-contact .mail-tips strong {
  color: var(--text-strong);
  font-weight: 600;
}

/* ---------- 电话通道 ---------- */
.page-contact .phone-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .phone-main {
  min-width: 0;
}

.page-contact .phone-lede {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
  max-width: 54ch;
}

.page-contact .phone-tel {
  margin-top: 26px;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-contact .phone-main .copy-btn {
  margin-top: 18px;
}

.page-contact .phone-side {
  display: grid;
  gap: 26px;
  min-width: 0;
}

.page-contact .phone-block {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-contact .phone-block h3 {
  margin: 0 0 14px;
}

/* ---------- 地址与到访 ---------- */
.page-contact .address-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

.page-contact .address-body {
  min-width: 0;
}

.page-contact .address-line {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.6;
  color: var(--text-strong);
  letter-spacing: 0.01em;
}

.page-contact .address-body .copy-btn {
  margin-top: 16px;
}

.page-contact .addr-frame {
  margin-top: 24px;
  border: 1px solid var(--line);
  background: rgba(28, 21, 34, 0.6);
  padding: 14px;
}

.page-contact .addr-map {
  display: block;
  width: 100%;
  height: auto;
  color: var(--cream);
}

.page-contact .addr-map__road {
  fill: none;
  stroke: rgba(243, 236, 223, 0.18);
  stroke-width: 2;
}

.page-contact .addr-map__block {
  fill: rgba(122, 59, 255, 0.16);
  stroke: rgba(122, 59, 255, 0.55);
  stroke-width: 1;
}

.page-contact .addr-map__ping {
  fill: var(--cyan);
}

.page-contact .addr-map__ring {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.2;
  opacity: 0.55;
}

.page-contact .addr-map__label {
  fill: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact .addr-frame__cap {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .visit-note {
  margin-top: 22px;
}

.page-contact .visit-note summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-strong);
}

.page-contact .visit-note summary::-webkit-details-marker {
  display: none;
}

.page-contact .visit-note summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .visit-note[open] summary::before {
  content: "\2212";
}

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

.page-contact .visit-note__body {
  padding: 4px 0 16px 24px;
}

/* ---------- 合作与采访 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .partner-item {
  background: var(--pc-wash);
  padding: clamp(22px, 2.8vw, 32px);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .partner-item__coord {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .partner-item h3 {
  margin: 0;
}

.page-contact .partner-item p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 反馈 ---------- */
.page-contact .feedback-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

.page-contact .feedback-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .feedback-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  counter-reset: pc-fb;
  display: grid;
  gap: 14px;
}

.page-contact .feedback-steps li {
  counter-increment: pc-fb;
  position: relative;
  padding-left: 40px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .feedback-steps li::before {
  content: counter(pc-fb, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .feedback-steps strong {
  color: var(--text-strong);
  font-weight: 600;
}

.page-contact .feedback-side {
  border: 1px solid var(--line-violet);
  background: linear-gradient(160deg, rgba(42, 27, 74, 0.7), rgba(28, 21, 34, 0.72));
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .feedback-side__title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .feedback-side p {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .feedback-side__meta {
  color: var(--text-dim) !important;
  font-size: 13px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
}

/* ---------- 下一步路线 ---------- */
.page-contact .pc-band--route {
  border-top: 1px solid var(--line);
  margin-top: clamp(52px, 8vw, 104px);
  padding-top: clamp(36px, 5vw, 64px);
}

.page-contact .route-points {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 22px;
}

.page-contact .route-point {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  background: rgba(28, 21, 34, 0.55);
  text-decoration: none;
  transition: background-color 220ms var(--ease);
}

.page-contact .route-point:hover {
  background: rgba(42, 27, 74, 0.75);
}

.page-contact .route-point__coord {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-contact .route-point__label {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .route-point:hover .route-point__label {
  color: var(--text-strong);
}

.page-contact .route-note {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .mail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .route-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .phone-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.95fr);
    gap: clamp(44px, 6vw, 92px);
  }

  .page-contact .routes-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-contact .phone-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-contact .route-points {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tabs__panel {
    animation: none;
  }

  .page-contact .tabs__tab,
  .page-contact .route-point,
  .page-contact .crumb a {
    transition: none;
  }
}