.page-contact {
  --contact-card-bg: linear-gradient(158deg, rgba(43, 27, 82, 0.78), rgba(16, 26, 61, 0.9));
  --contact-gap: 22px;
  position: relative;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: 26px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  left: -10%;
  width: 60%;
  height: 320px;
  background: radial-gradient(closest-side, rgba(69, 224, 210, 0.14), transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: 34px;
  margin-top: 22px;
}

.page-contact .contact-hero-copy {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 8vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-contact .contact-hero .lede {
  max-width: 36em;
  font-size: var(--fs-4);
  line-height: 1.78;
  color: var(--text);
}

.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero-visual {
  position: relative;
  margin: 0;
}

.page-contact .contact-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  border: 1px solid var(--line-cyan);
  box-shadow: 0 24px 60px rgba(6, 10, 28, 0.6);
}

.page-contact .contact-hero-visual .img-caption {
  margin-top: 12px;
}

/* ---------- 通用小标题 ---------- */
.page-contact .section-head {
  max-width: 620px;
  margin-bottom: 30px;
}

.page-contact .section-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-contact .section-sub {
  font-size: var(--fs-4);
  line-height: 1.75;
}

/* ---------- 两栏联系卡 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 20px;
}

.page-contact .contact-card {
  position: relative;
  padding: 28px 24px 26px;
  border-radius: var(--radius-m);
  background: var(--contact-card-bg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
}

.page-contact .contact-card--mail {
  border-color: var(--line-cyan);
}

.page-contact .contact-card--mail::after {
  background: linear-gradient(180deg, var(--neon-cyan), rgba(69, 224, 210, 0.1));
}

.page-contact .contact-card--phone {
  border-color: var(--line-gold);
}

.page-contact .contact-card--phone::after {
  background: linear-gradient(180deg, var(--warm-gold), rgba(243, 178, 76, 0.1));
}

.page-contact .card-label {
  font-size: var(--fs-1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 12px;
}

.page-contact .contact-value {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.2vw, 21px);
  font-weight: 600;
  letter-spacing: -0.01em;
  word-break: break-word;
}

.page-contact .contact-card--mail .contact-value {
  color: var(--neon-cyan);
}

.page-contact .contact-card--phone .contact-value {
  color: var(--warm-gold);
}

.page-contact .card-desc {
  margin: 0 0 18px;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--text);
}

.page-contact .card-meta {
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.page-contact .card-meta li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .card-meta .dot {
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--neon-cyan-soft);
}

.page-contact .contact-card--phone .card-meta .dot {
  background: var(--warm-gold);
}

/* ---------- 响应节奏 ---------- */
.page-contact .response-band {
  display: grid;
  gap: 28px;
  padding: 30px 24px;
  border-radius: var(--radius-l);
  background:
    radial-gradient(circle at 88% 12%, rgba(69, 224, 210, 0.12), transparent 46%),
    var(--orbit-indigo);
  border: 1px solid var(--line);
}

.page-contact .response-band-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-contact .response-band-head p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .response-stats {
  display: grid;
  gap: 16px;
}

.page-contact .stat {
  padding: 18px 18px 16px;
  border-radius: var(--radius-s);
  background: rgba(6, 10, 28, 0.45);
  border: 1px solid var(--line);
}

.page-contact .stat--gold {
  border-color: var(--line-gold);
}

.page-contact .stat-label {
  margin: 0 0 8px;
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .stat-value {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 5vw, 28px);
  font-weight: 700;
  color: var(--neon-cyan);
  letter-spacing: -0.01em;
}

.page-contact .stat--gold .stat-value {
  color: var(--warm-gold);
}

.page-contact .stat-note {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.66;
  color: var(--text-dim);
}

/* ---------- 反馈准备 ---------- */
.page-contact .prepare-grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-contact .prepare-copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-contact .prepare-copy > p {
  font-size: var(--fs-3);
  line-height: 1.78;
}

.page-contact .checklist {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: start;
  font-size: var(--fs-3);
  line-height: 1.76;
  color: var(--text);
}

.page-contact .checklist strong {
  color: var(--text-strong);
}

.page-contact .check-mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  border-radius: 7px;
  border: 1px solid var(--line-cyan);
  color: var(--neon-cyan);
  background: rgba(69, 224, 210, 0.08);
}

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

.page-contact .prepare-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
}

.page-contact .prepare-visual .img-caption {
  margin-top: 12px;
}

/* ---------- 折叠组 ---------- */
.page-contact .panel-stack {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.page-contact .panel-group {
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: rgba(16, 26, 61, 0.55);
  overflow: hidden;
}

.page-contact .panel-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--text-strong);
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1.5;
}

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

.page-contact .panel-index {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--warm-gold);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-gold);
}

.page-contact .panel-title {
  flex: 1 1 auto;
}

.page-contact .panel-caret {
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--neon-cyan);
  border-bottom: 2px solid var(--neon-cyan);
  transform: rotate(45deg);
  transition: transform 200ms ease;
  margin-top: -4px;
}

.page-contact .panel-trigger[aria-expanded="true"] .panel-caret {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-contact .panel-body-inner {
  padding: 0 18px 20px;
}

.page-contact .panel-body-inner p {
  margin: 0 0 12px;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .panel-body-inner p:last-child {
  margin-bottom: 0;
}

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

.page-contact .panel-list li {
  font-size: var(--fs-3);
  line-height: 1.76;
  color: var(--text-dim);
  padding-left: 14px;
  border-left: 2px solid rgba(69, 224, 210, 0.32);
}

.page-contact .panel-list strong {
  color: var(--text-strong);
}

.page-contact .panel-link-row {
  margin-top: 16px;
}

/* ---------- 处理路径 ---------- */
.page-contact .route-line {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .route-item {
  position: relative;
  padding: 24px 22px 26px;
  border-radius: var(--radius-m);
  background: rgba(16, 26, 61, 0.62);
  border: 1px solid var(--line);
}

.page-contact .route-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.12em;
  color: var(--signal-red);
  margin-bottom: 12px;
}

.page-contact .route-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: var(--fs-5);
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.01em;
}

.page-contact .route-item p {
  margin: 0 0 10px;
  font-size: var(--fs-3);
  line-height: 1.74;
  color: var(--text-dim);
}

.page-contact .route-go {
  margin-bottom: 0 !important;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--neon-cyan-soft) !important;
}

/* ---------- 合作与线索 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: 30px;
}

.page-contact .coop-intro h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-contact .coop-intro > p {
  margin: 0 0 14px;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--text);
}

.page-contact .coop-mail {
  margin: 18px 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-4);
  color: var(--neon-cyan);
  word-break: break-word;
}

.page-contact .coop-panels {
  display: grid;
  gap: 14px;
  align-content: start;
}

/* ---------- 地址 ---------- */
.page-contact .address-card {
  position: relative;
  padding: 32px 24px;
  border-radius: var(--radius-l);
  color: var(--ink-brown);
  background-color: var(--paper-cream);
  overflow: hidden;
}

.page-contact .address-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 16% 20%, rgba(69, 224, 210, 0.32), transparent 44%),
    radial-gradient(circle at 84% 82%, rgba(243, 178, 76, 0.28), transparent 48%);
  pointer-events: none;
}

.page-contact .address-copy,
.page-contact .address-side {
  position: relative;
  z-index: 1;
}

.page-contact .eyebrow--ink {
  color: rgba(28, 20, 32, 0.62);
}

.page-contact .address-copy h2 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--ink-brown);
}

.page-contact .address-line {
  margin: 0 0 14px;
  font-size: var(--fs-4);
  font-weight: 600;
  line-height: 1.7;
}

.page-contact .address-note {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: rgba(28, 20, 32, 0.78);
}

.page-contact .address-side {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(28, 20, 32, 0.16);
}

.page-contact .visit-note .panel-trigger {
  padding: 6px 0;
  color: var(--ink-brown);
  font-size: var(--fs-4);
}

.page-contact .visit-note .panel-caret {
  border-color: var(--ink-brown);
}

.page-contact .visit-note .panel-body-inner {
  padding: 10px 0 0;
}

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

.page-contact .visit-list li {
  font-size: var(--fs-3);
  line-height: 1.76;
  color: rgba(28, 20, 32, 0.82);
  padding-left: 14px;
  border-left: 2px solid rgba(226, 96, 63, 0.5);
}

.page-contact .address-meta {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.04em;
  color: rgba(28, 20, 32, 0.6);
}

/* ---------- 下一步 ---------- */
.page-contact .next-strip {
  display: grid;
  gap: 22px;
  padding: 26px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(43, 27, 82, 0.7), rgba(6, 10, 28, 0.9));
}

.page-contact .next-strip h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: var(--fs-5);
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: -0.01em;
}

.page-contact .next-strip p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.76;
  color: var(--text-dim);
}

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

.page-contact .next-links .btn {
  flex: 1 1 auto;
  min-width: 150px;
  text-align: center;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-cards {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-contact .response-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact .route-line {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .coop-panels {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .coop-panels .panel-group:last-child {
    grid-column: 1 / -1;
  }

  .page-contact .address-card {
    padding: 40px 34px;
  }

  .page-contact .next-strip {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 28px;
    padding: 30px 32px;
  }

  .page-contact .next-links .btn {
    flex: 0 0 auto;
    min-width: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: center;
  }

  .page-contact .contact-hero {
    padding-top: 40px;
  }

  .page-contact .prepare-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .coop-grid {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
    align-items: start;
  }

  .page-contact .coop-panels {
    grid-template-columns: 1fr;
  }

  .page-contact .coop-panels .panel-group:last-child {
    grid-column: auto;
  }

  .page-contact .address-card {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
    padding: 46px 44px;
  }

  .page-contact .address-side {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid rgba(28, 20, 32, 0.16);
    padding-left: 32px;
  }

  /* 横向星轨连线 */
  .page-contact .route-item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -21px;
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, rgba(69, 224, 210, 0.7), rgba(69, 224, 210, 0));
  }

  .page-contact .route-item {
    padding: 28px 26px 30px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero {
    padding-top: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .panel-caret {
    transition: none;
  }
}