.page-contact {
  --pc-gap-md: clamp(18px, 2.4vw, 28px);
  --pc-gap-lg: clamp(30px, 4.6vw, 64px);
  --pc-section-y: clamp(44px, 6vw, 88px);
  --pc-card-bg: rgba(255, 255, 255, .62);
  --pc-soft: rgba(16, 22, 28, .58);

  display: block;
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 顶部色带 ---------- */
.page-contact .contact-masthead {
  position: relative;
  background-color: var(--ink-900);
  background-image: repeating-linear-gradient(
    114deg,
    rgba(224, 163, 58, .07) 0 1px,
    transparent 1px 46px
  );
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(38px, 6vw, 72px);
  overflow: hidden;
}

.page-contact .contact-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--amber) 0%,
    var(--amber) 36%,
    var(--orange) 36%,
    var(--orange) 42%,
    rgba(154, 167, 184, .22) 42%,
    rgba(154, 167, 184, .22) 100%
  );
}

.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  margin-bottom: clamp(26px, 4vw, 46px);
  color: var(--slate);
}

.page-contact .contact-crumb a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid rgba(154, 167, 184, .32);
  padding-bottom: 1px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-contact .contact-crumb__sep {
  color: rgba(154, 167, 184, .5);
}

.page-contact .contact-crumb span[aria-current="page"] {
  color: var(--amber);
}

.page-contact .contact-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 14px;
}

.page-contact .contact-masthead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5vw, 54px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 0 0 18px;
  max-width: 20ch;
}

.page-contact .contact-lede {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.82;
  color: rgba(244, 239, 227, .74);
  margin: 0;
  max-width: 64ch;
}

/* ---------- 顶部横幅 ---------- */
.page-contact .contact-banner {
  margin: 0;
  background: var(--ink-800);
  border-bottom: 1px solid var(--line-light);
  height: clamp(140px, 21vw, 290px);
  overflow: hidden;
}

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

/* ---------- 渠道与指引 分栏 ---------- */
.page-contact .contact-channels {
  padding: var(--pc-section-y) 0;
  background: var(--paper);
}

.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap-lg);
}

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

.page-contact .contact-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--amber-deep);
  margin: 0 0 6px;
}

.page-contact .contact-index--light {
  color: var(--amber-deep);
}

.page-contact .contact-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.5vw, 29px);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--black);
  margin: 0 0 10px;
}

.page-contact .contact-h2--tight {
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-contact .contact-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-soft);
  margin: 0 0 clamp(16px, 2.2vw, 24px);
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-card {
  position: relative;
  background: var(--pc-card-bg);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--amber);
  padding: clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px);
  margin-bottom: var(--pc-gap-md);
}

.page-contact .channel-card:last-of-type {
  margin-bottom: 0;
}

.page-contact .channel-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  padding: 4px 9px;
  background: var(--ink-900);
  color: var(--paper);
  margin: 0 0 14px;
}

.page-contact .channel-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--amber-deep);
  margin: 0 0 8px;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.4vw, 17px);
  letter-spacing: .02em;
  color: var(--black);
  margin: 0 0 12px;
  overflow-wrap: anywhere;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .channel-card__desc {
  font-size: 15px;
  line-height: 1.78;
  color: var(--black);
  margin: 0 0 12px;
}

.page-contact .channel-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--pc-soft);
  margin: 0;
}

/* ---------- 响应面板 ---------- */
.page-contact .resp-panel {
  margin-top: var(--pc-gap-md);
  background: var(--ink-900);
  border-left: 3px solid var(--orange);
  padding: clamp(20px, 2.4vw, 28px);
}

.page-contact .resp-panel__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: .04em;
  margin: 0 0 16px;
}

.page-contact .resp-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .resp-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-dark);
}

.page-contact .resp-item dt {
  font-size: 14px;
  color: var(--slate);
}

.page-contact .resp-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--paper);
  text-align: right;
}

.page-contact .resp-note {
  font-size: 13px;
  line-height: 1.72;
  color: rgba(154, 167, 184, .86);
  margin: 16px 0 0;
}

/* ---------- 填写指引清单 ---------- */
.page-contact .guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
}

.page-contact .guide-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: clamp(15px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .guide-item__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber-deep);
  padding-top: 3px;
}

.page-contact .guide-item__body {
  min-width: 0;
}

.page-contact .guide-item__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 5px;
}

.page-contact .guide-item__body p {
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--pc-soft);
  margin: 0;
}

.page-contact .guide-foot {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-soft);
  border-left: 3px solid var(--ink-900);
  padding-left: 16px;
}

.page-contact .guide-foot a {
  color: var(--amber-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 90, 6, .4);
}

.page-contact .guide-foot a:hover,
.page-contact .guide-foot a:focus-visible {
  border-color: var(--amber-deep);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-office {
  background: var(--paper-2);
  padding: var(--pc-section-y) 0;
  border-top: 1px solid rgba(11, 28, 44, .14);
  border-bottom: 1px solid rgba(11, 28, 44, .14);
}

.page-contact .office-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap-lg);
  align-items: center;
}

.page-contact .office-media {
  background: var(--ink-800);
  border: 1px solid rgba(11, 28, 44, .2);
  overflow: hidden;
  min-width: 0;
}

.page-contact .office-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-contact .office-intro {
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--pc-soft);
  margin: 0 0 clamp(14px, 2vw, 20px);
}

.page-contact .office-list {
  margin: 0;
  padding: 0;
}

.page-contact .office-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(11, 28, 44, .16);
}

.page-contact .office-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber-deep);
}

.page-contact .office-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--black);
  overflow-wrap: anywhere;
}

.page-contact .office-note {
  font-size: 13px;
  line-height: 1.72;
  color: var(--pc-soft);
  margin: 16px 0 0;
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  padding: var(--pc-section-y) 0;
  background: var(--paper);
}

.page-contact .flow-list {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-contact .flow-step {
  position: relative;
  background: var(--paper);
  padding: clamp(22px, 2.6vw, 30px) clamp(18px, 2.2vw, 26px);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(18px, 2.2vw, 26px);
  width: 24px;
  height: 2px;
  background: var(--amber);
}

.page-contact .flow-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: .02em;
  color: rgba(11, 28, 44, .16);
  line-height: 1;
  margin-bottom: 14px;
}

.page-contact .flow-step__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 8px;
}

.page-contact .flow-step p {
  font-size: 14px;
  line-height: 1.76;
  color: var(--pc-soft);
  margin: 0;
}

/* ---------- 隐私说明 ---------- */
.page-contact .contact-privacy {
  padding: 0 0 var(--pc-section-y);
  background: var(--paper);
}

.page-contact .privacy-panel {
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--celadon);
  padding: clamp(22px, 2.8vw, 34px);
}

.page-contact .privacy-panel p {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--black);
  margin: 0;
  max-width: 74ch;
}

.page-contact .privacy-panel a {
  color: var(--amber-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 90, 6, .4);
}

.page-contact .privacy-panel a:hover,
.page-contact .privacy-panel a:focus-visible {
  border-color: var(--amber-deep);
}

/* ---------- 快捷入口 ---------- */
.page-contact .contact-quick {
  padding: 0 0 clamp(48px, 6vw, 92px);
  background: var(--paper);
}

.page-contact .quick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-contact .quick-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  gap: 3px 14px;
  align-items: center;
  padding: 20px clamp(18px, 2vw, 26px);
  background: var(--paper);
  color: var(--black);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-contact .quick-link__title {
  grid-column: 1;
  grid-row: 1;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .quick-link__hint {
  grid-column: 1;
  grid-row: 2;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pc-soft);
  transition: color .2s var(--ease);
}

.page-contact .quick-link__arrow {
  grid-column: 2;
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--amber-deep);
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .quick-link:hover,
.page-contact .quick-link:focus-visible {
  background: var(--ink-900);
  color: var(--paper);
}

.page-contact .quick-link:hover .quick-link__hint,
.page-contact .quick-link:focus-visible .quick-link__hint {
  color: var(--slate);
}

.page-contact .quick-link:hover .quick-link__arrow,
.page-contact .quick-link:focus-visible .quick-link__arrow {
  color: var(--orange);
  transform: translateX(4px);
}

.page-contact .quick-link:focus-visible,
.page-contact .guide-foot a:focus-visible,
.page-contact .privacy-panel a:focus-visible,
.page-contact .contact-crumb a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 揭示动效 ---------- */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .26s var(--ease), transform .26s var(--ease);
}

.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-contact .office-row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    gap: clamp(34px, 5vw, 76px);
    align-items: start;
  }

  .page-contact .contact-col:last-child {
    padding-top: 6px;
  }
}

@media (min-width: 1000px) {
  .page-contact .office-grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1fr);
    gap: clamp(34px, 4.4vw, 66px);
  }

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

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

@media (max-width: 480px) {
  .page-contact .channel-card__value {
    font-size: 13px;
  }

  .page-contact .resp-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .resp-item dd {
    text-align: left;
  }
}