.page-contact {
  --pc-gap: clamp(48px, 7vw, 96px);
  --pc-soft: #E8F5F2;
  --pc-body: #3F5C5A;
  background: var(--paper);
  color: var(--data-black);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3vw, 30px) 0 clamp(66px, 9vw, 122px);
  color: var(--paper);
  background:
    radial-gradient(120% 95% at 88% 0%, rgba(0, 229, 199, .18), transparent 62%),
    radial-gradient(85% 80% at 0% 100%, rgba(255, 122, 47, .14), transparent 58%),
    var(--ink-deep);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 42px));
}

.page-contact .crumbs {
  margin-bottom: clamp(26px, 4vw, 46px);
  color: rgba(242, 250, 248, .62);
}

.page-contact .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .crumbs-list a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .crumbs-list a:hover,
.page-contact .crumbs-list a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

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

.page-contact .eyebrow--ink {
  color: var(--field-teal);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(242, 250, 248, .82);
}

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

.page-contact .hero-facts li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-left: 2px solid var(--neon);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(0, 229, 199, .07);
}

.page-contact .fact-num {
  font-family: var(--font-mono);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 25px);
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}

.page-contact .fact-label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(242, 250, 248, .70);
}

/* ---------- 通用小节头 ---------- */
.page-contact .section-head {
  max-width: 640px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .section-head h2,
.page-contact .support h2,
.page-contact .partner h2,
.page-contact .address h2,
.page-contact .next-step h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-contact .section-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-body);
}

/* ---------- 三条联络路径 ---------- */
.page-contact .paths {
  padding: calc(var(--pc-gap) * .8) 0 var(--pc-gap);
  background: var(--paper);
}

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

.page-contact .path-card {
  position: relative;
  display: block;
  padding: 38px 22px 24px;
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%);
  transition: transform .38s var(--ease-out), filter .38s var(--ease-out);
}

.page-contact .path-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(155deg, var(--neon-veil), transparent 58%);
  opacity: .35;
  transition: opacity .38s var(--ease-out);
}

.page-contact .path-card--a { background: var(--ink-night); }
.page-contact .path-card--b { background: var(--mid-teal); }
.page-contact .path-card--c { background: var(--field-teal); }

.page-contact .path-card:hover,
.page-contact .path-card:focus-visible {
  transform: translateY(-6px);
  filter: drop-shadow(0 18px 30px rgba(6, 42, 43, .38));
}

.page-contact .path-card:hover::after,
.page-contact .path-card:focus-visible::after {
  opacity: 1;
}

.page-contact .path-card:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-contact .path-tag {
  position: relative;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-contact .path-card h3 {
  position: relative;
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 800;
  line-height: 1.3;
}

.page-contact .path-card p {
  position: relative;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 250, 248, .84);
}

.page-contact .path-hint {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(191, 227, 222, .34);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: rgba(0, 229, 199, .78);
  transition: color .3s var(--ease-out);
}

.page-contact .path-card:hover .path-hint,
.page-contact .path-card:focus-visible .path-hint {
  color: var(--neon);
}

/* ---------- 客服渠道 ---------- */
.page-contact .support {
  padding: var(--pc-gap) 0;
  color: var(--paper);
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(28, 124, 122, .34), transparent 60%),
    var(--ink-night);
}

.page-contact .support-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-contact .support-lead {
  margin: 0 0 26px;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 250, 248, .80);
}

.page-contact .channel-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid rgba(191, 227, 222, .20);
}

.page-contact .channel-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-contact .channel-val {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.4;
  word-break: break-word;
}

.page-contact .channel-val--mail {
  word-break: break-all;
}

.page-contact .channel-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 250, 248, .72);
}

.page-contact .support-tail {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 250, 248, .78);
}

.page-contact .support-tail a,
.page-contact .next-step a:not(.btn) {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 199, .45);
}

.page-contact .support-tail a:hover,
.page-contact .support-tail a:focus-visible,
.page-contact .next-step a:not(.btn):hover,
.page-contact .next-step a:not(.btn):focus-visible {
  border-bottom-color: var(--neon);
}

.page-contact .shot {
  margin: 0;
}

.page-contact .shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid rgba(0, 229, 199, .22);
}

.page-contact .shot figcaption,
.page-contact .banner figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .shot figcaption {
  color: rgba(242, 250, 248, .58);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .partner {
  padding: var(--pc-gap) 0;
  background: var(--paper);
}

.page-contact .banner {
  margin: 0 0 clamp(26px, 4vw, 42px);
}

.page-contact .banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-lg);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 28px));
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-contact .partner-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .inline-mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--ink-deep);
  word-break: break-all;
}

/* ---------- 勾选式清单 ---------- */
.page-contact .check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
}

.page-contact .check-item::before {
  content: "";
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 2px solid var(--field-teal);
  border-radius: 6px;
  box-shadow: 0 0 0 3px var(--neon-veil);
}

.page-contact .check-body {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-body);
}

.page-contact .check-body strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-deep);
}

/* ---------- 内容纠错 ---------- */
.page-contact .correction {
  padding: var(--pc-gap) 0;
  background: var(--pc-soft);
}

.page-contact .correction-grid {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
  align-items: start;
}

.page-contact .check-list--boxed .check-item {
  background: transparent;
  border-style: dashed;
}

.page-contact .panel {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  overflow: hidden;
}

.page-contact .panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-deep);
  list-style: none;
}

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

.page-contact .panel summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--field-teal);
}

.page-contact .panel[open] summary::after {
  content: "–";
}

.page-contact .panel summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -4px;
}

.page-contact .panel-body {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .panel-body a {
  color: var(--field-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(28, 124, 122, .4);
}

/* ---------- 通信地址 ---------- */
.page-contact .address {
  padding: calc(var(--pc-gap) * .9) 0;
  background: var(--paper);
}

.page-contact .address h2 {
  margin-bottom: 22px;
}

.page-contact .address-card {
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
}

.page-contact .addr-list {
  display: grid;
  gap: 16px;
  margin: 0 0 20px;
}

.page-contact .addr-row {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .addr-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .addr-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .addr-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--data-black);
  word-break: break-word;
}

.page-contact .addr-note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-body);
}

/* ---------- 收束 ---------- */
.page-contact .next-step {
  padding: var(--pc-gap) 0;
  color: var(--paper);
  background:
    radial-gradient(100% 90% at 0% 0%, rgba(0, 229, 199, .16), transparent 62%),
    var(--ink-deep);
}

.page-contact .next-inner p {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 250, 248, .80);
}

.page-contact .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 20px;
}

.page-contact .next-fine {
  font-size: 13.5px;
  color: rgba(242, 250, 248, .66);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .addr-row {
    grid-template-columns: 96px 1fr;
    align-items: baseline;
    gap: 14px;
  }

  .page-contact .path-card {
    padding: 40px 26px 26px;
  }
}

@media (min-width: 860px) {
  .page-contact .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .correction-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-contact .support-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-card,
  .page-contact .path-card::after,
  .page-contact .path-hint {
    transition: none;
  }

  .page-contact .path-card:hover,
  .page-contact .path-card:focus-visible {
    transform: none;
  }
}