.page-contact {
  --c-body: #46565A;
  --c-card-ink: #EAF2F2;
  --c-card-line: rgba(214, 222, 224, .18);
  background: var(--c-mist);
  color: var(--c-ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--hdr-h, 88px) + 40px) 0 56px;
  overflow: hidden;
  background: var(--grad-mist);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .32;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(237, 241, 242, .96) 0%, rgba(237, 241, 242, .86) 42%, rgba(191, 206, 209, .64) 100%);
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero h1 {
  margin: .35em 0 .5em;
  max-width: 660px;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-contact .contact-hero .lede {
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.78;
  color: var(--c-body);
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-facts li {
  flex: 1 1 180px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 16px;
  border: 1px solid var(--c-line);
  background: rgba(247, 245, 240, .82);
  transition: border-color .16s var(--ease);
}

.page-contact .hero-facts li:hover {
  border-color: var(--c-neon);
}

.page-contact .hero-fact-num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .hero-fact-label {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--c-slate);
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: 56px 0;
}

.page-contact .section--tight {
  padding: 40px 0;
}

.page-contact .section-head {
  max-width: 64ch;
}

.page-contact .section-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--c-neon-deep);
}

.page-contact .section-title {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 4.6vw, 2.15rem);
  line-height: 1.22;
  font-weight: 900;
}

.page-contact .section-head .lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--c-body);
}

/* ---------- 渠道 + 路径 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 26px;
  margin-top: 34px;
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: 24px 20px 22px;
  border: 1px solid rgba(47, 191, 158, .38);
  background: var(--grad-night);
  color: var(--c-card-ink);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(237, 241, 242, .07) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(237, 241, 242, .07) 0 1px, transparent 1px 34px);
  pointer-events: none;
}

.page-contact .contact-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-card-tag {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--c-neon);
}

.page-contact .contact-line {
  padding: 13px 0;
  border-top: 1px solid var(--c-card-line);
}

.page-contact .contact-line:last-of-type {
  border-bottom: 1px solid var(--c-card-line);
}

.page-contact .contact-key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(214, 222, 224, .78);
}

.page-contact .contact-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.5;
  color: #FFFFFF;
  overflow-wrap: anywhere;
}

.page-contact .contact-note {
  margin: 16px 0 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(214, 222, 224, .86);
}

.page-contact .contact-card .btn {
  width: 100%;
  text-align: center;
}

.page-contact .route-list {
  display: grid;
}

.page-contact .route-item {
  padding: 22px 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .route-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .route-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-contact .route-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--c-line);
  background: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-slate);
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .route-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
  transition: color .16s var(--ease);
}

.page-contact .route-item:hover .route-num {
  background: var(--c-neon);
  border-color: var(--c-neon);
  color: #07201B;
}

.page-contact .route-item:hover .route-title {
  color: var(--c-neon-deep);
}

.page-contact .route-desc {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--c-body);
}

.page-contact .fold {
  margin-top: 14px;
}

.page-contact .fold-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-top: 1px solid var(--c-line);
  background: none;
  font: inherit;
  font-size: 14px;
  color: var(--c-ink);
  text-align: left;
  cursor: pointer;
  transition: color .16s var(--ease);
}

.page-contact .fold-toggle:hover {
  color: var(--c-neon-deep);
}

.page-contact .fold-toggle:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

.page-contact .fold-state {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-slate);
}

.page-contact .fold-body {
  overflow: hidden;
  transition: max-height .28s var(--ease), opacity .2s var(--ease);
}

.page-contact .fold-body[data-open="true"] {
  max-height: 40rem;
  opacity: 1;
}

.page-contact .fold-body[data-open="false"] {
  max-height: 0;
  opacity: 0;
}

.page-contact .prep-list {
  margin: 12px 0 4px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-body);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 1px;
  background: var(--c-neon);
}

.page-contact .route-link {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-neon-deep);
  text-decoration: none;
  transition: border-color .16s var(--ease);
}

.page-contact .route-link:hover {
  border-bottom-color: var(--c-neon);
}

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

/* ---------- 纠错 ---------- */
.page-contact .correction-grid {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}

.page-contact .correction-subtitle {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.page-contact .steps-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-contact .steps-list li {
  counter-increment: step;
  position: relative;
  padding: 13px 0 13px 44px;
  border-top: 1px solid var(--c-line);
  font-size: 15.5px;
  line-height: 1.72;
}

.page-contact .steps-list li:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .steps-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-neon-deep);
}

.page-contact .correction-foot {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-body);
}

.page-contact .correction-figure {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-paper);
  overflow: hidden;
}

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

.page-contact .correction-figure .media-caption {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* ---------- 合作 ---------- */
.page-contact .contact-partner {
  background: var(--grad-night);
  color: var(--c-card-ink);
}

.page-contact .partner-grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-partner .section-num {
  color: var(--c-neon);
}

.page-contact .contact-partner .section-title {
  color: #FFFFFF;
}

.page-contact .partner-lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(226, 236, 236, .88);
}

.page-contact .partner-points {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: rgba(214, 222, 224, .16);
  border: 1px solid rgba(214, 222, 224, .16);
}

.page-contact .partner-points li {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: #17292E;
  transition: background .16s var(--ease);
}

.page-contact .partner-points li:hover {
  background: #1C3339;
}

.page-contact .point-key {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-neon);
}

.page-contact .point-text {
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(226, 236, 236, .86);
}

.page-contact .partner-kit {
  padding: 24px 20px;
  border: 1px solid rgba(214, 222, 224, .22);
  background: rgba(20, 38, 43, .55);
}

.page-contact .partner-kit-tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--c-orange);
}

.page-contact .partner-kit-title {
  margin: 0 0 12px;
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
}

.page-contact .partner-kit-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(226, 236, 236, .86);
}

.page-contact .kit-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .kit-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(226, 236, 236, .88);
}

.page-contact .kit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 1px;
  background: var(--c-orange);
}

.page-contact .partner-kit-mono {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(214, 222, 224, .2);
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--c-neon);
  overflow-wrap: anywhere;
}

/* ---------- 地址 ---------- */
.page-contact .addr-grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-contact .addr-list {
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .addr-row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .addr-row dt {
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--c-slate);
}

.page-contact .addr-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-contact .addr-mono {
  font-family: var(--font-mono);
  font-size: 14px !important;
  color: var(--c-body) !important;
}

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

.page-contact .addr-small {
  font-size: 13.5px !important;
  color: var(--c-slate) !important;
}

/* ---------- 延伸阅读 ---------- */
.page-contact .related-title {
  font-size: 1.2rem;
  margin-bottom: 18px;
}

.page-contact .related-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--c-line);
  background: var(--c-line);
}

.page-contact .related-item {
  display: grid;
  gap: 8px;
  padding: 18px 16px;
  background: var(--c-paper);
  text-decoration: none;
  color: var(--c-ink);
  transition: background .16s var(--ease), border-color .16s var(--ease);
  border-left: 2px solid transparent;
}

.page-contact .related-item:hover {
  background: #FFFFFF;
  border-left-color: var(--c-neon);
}

.page-contact .related-item:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -2px;
}

.page-contact .related-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .related-text {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: calc(var(--hdr-h, 88px) + 56px) 0 72px;
  }

  .page-contact .section {
    padding: 72px 0;
  }

  .page-contact .section--tight {
    padding: 52px 0;
  }

  .page-contact .contact-card {
    padding: 30px 26px 26px;
  }

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

  .page-contact .addr-row {
    grid-template-columns: 130px 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .partner-points li {
    grid-template-columns: 190px 1fr;
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 1000px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(300px, 370px) 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact .correction-grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 46px;
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 46px;
    align-items: start;
  }

  .page-contact .addr-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 46px;
    align-items: start;
  }

  .page-contact .related-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .route-item {
    padding: 26px 0;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero h1 {
    font-size: clamp(2.6rem, 4vw, 3.5rem);
  }

  .page-contact .contact-value {
    font-size: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .route-num,
  .page-contact .route-title,
  .page-contact .route-link,
  .page-contact .fold-body,
  .page-contact .fold-toggle,
  .page-contact .hero-facts li,
  .page-contact .partner-points li,
  .page-contact .related-item {
    transition: none;
  }
}