.page-contact {
  --pc-line: rgba(240, 180, 41, 0.28);
  --pc-line-soft: rgba(240, 180, 41, 0.16);
  --pc-soft-text: #c3d3cb;
  background: var(--ink);
  color: var(--sand);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .wrap {
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-bottom: 52px;
  background:
    radial-gradient(circle at 84% -10%, rgba(59, 240, 168, 0.14), transparent 58%),
    radial-gradient(circle at 6% 110%, rgba(240, 180, 41, 0.09), transparent 55%),
    var(--ink);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--pitch-soft);
}

.page-contact .contact-h1 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(38px, 8.4vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--sand);
}

.page-contact .contact-lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pc-soft-text);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  padding-block: 8px 72px;
}

.page-contact .contact-section-title {
  margin: 0 0 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.2vw, 26px);
  letter-spacing: 0.02em;
  color: var(--pitch-soft);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--pc-line);
}

.page-contact .channel-card {
  padding: 24px 0 28px;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .channel-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-contact .channel-name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--pitch-soft);
}

.page-contact .channel-value {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.2vw, 21px);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--sand);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--addr {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

.page-contact .channel-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-contact .channel-link:hover,
.page-contact .channel-link:focus-visible {
  color: var(--pitch);
  border-bottom-color: var(--pitch);
}

.page-contact .channel-scope {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-soft-text);
}

.page-contact .channel-hint {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--pc-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-figure {
  margin: 38px 0 0;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .contact-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 来信准备（暖砂白） ---------- */
.page-contact .contact-prep {
  background: var(--sand);
  color: var(--on-sand);
  padding-block: 82px 64px;
  margin-top: -22px;
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .prep-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #8a6e18;
}

.page-contact .prep-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--on-sand);
}

.page-contact .prep-intro {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-deep);
}

.page-contact .prep-grid {
  display: grid;
  gap: 34px;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(14, 42, 34, 0.16);
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(14, 42, 34, 0.16);
}

.page-contact .check-box {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1.5px solid rgba(14, 42, 34, 0.45);
}

.page-contact .check-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  width: 6px;
  height: 11px;
  border-right: 2px solid #17714f;
  border-bottom: 2px solid #17714f;
  transform: rotate(40deg);
}

.page-contact .check-body {
  display: block;
}

.page-contact .check-body strong {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--on-sand);
}

.page-contact .check-desc {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-deep);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-reply {
  padding-block: 78px 10px;
}

.page-contact .contact-h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4.8vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--sand);
}

.page-contact .reply-grid {
  display: grid;
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.page-contact .reply-card {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-contact .reply-stat {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  color: var(--pitch);
  font-variant-numeric: tabular-nums;
}

.page-contact .reply-stat .num {
  font-size: clamp(42px, 9vw, 64px);
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-contact .reply-unit {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .reply-stat--span {
  font-size: clamp(24px, 5vw, 32px);
  letter-spacing: -0.01em;
  padding-bottom: 6px;
}

.page-contact .reply-name {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--pitch-soft);
}

.page-contact .reply-text {
  margin: 10px 0 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pc-soft-text);
}

/* ---------- 事由分流 ---------- */
.page-contact .contact-reasons {
  padding-block: 76px 70px;
  background: var(--ink-2);
}

.page-contact .reasons {
  position: relative;
  margin-top: 30px;
}

.page-contact .reasons-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .reasons-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .reasons-tab {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.page-contact .reasons-tab:hover {
  color: var(--pitch-soft);
  border-color: var(--line-strong);
}

.page-contact #reason-fix:checked ~ .reasons-tabs [for="reason-fix"],
.page-contact #reason-coop:checked ~ .reasons-tabs [for="reason-coop"],
.page-contact #reason-data:checked ~ .reasons-tabs [for="reason-data"] {
  background: var(--pitch);
  border-color: var(--pitch);
  color: var(--ink-3);
}

.page-contact #reason-fix:focus-visible ~ .reasons-tabs [for="reason-fix"],
.page-contact #reason-coop:focus-visible ~ .reasons-tabs [for="reason-coop"],
.page-contact #reason-data:focus-visible ~ .reasons-tabs [for="reason-data"] {
  outline: 2px solid var(--pitch);
  outline-offset: 3px;
}

.page-contact .reasons-panel {
  display: none;
  padding-top: 26px;
}

.page-contact #reason-fix:checked ~ .reasons-panels [data-panel="fix"],
.page-contact #reason-coop:checked ~ .reasons-panels [data-panel="coop"],
.page-contact #reason-data:checked ~ .reasons-panels [data-panel="data"] {
  display: block;
}

.page-contact .panel-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sand);
}

.page-contact .reasons-panel ul {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .reasons-panel li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-soft-text);
}

.page-contact .reasons-panel li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-contact .panel-foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 地区与备案 ---------- */
.page-contact .contact-region {
  padding-block: 34px 44px;
  background: var(--ink-3);
}

.page-contact .region-strip {
  padding-top: 20px;
  border-top: 1px dashed var(--pc-line);
}

.page-contact .region-line {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.page-contact .region-key {
  color: var(--amber);
}

.page-contact .region-val {
  color: var(--muted);
}

.page-contact .region-note {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .inline-link {
  color: var(--pitch-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .inline-link:hover {
  color: var(--pitch);
}

/* ---------- 底部横幅 ---------- */
.page-contact .contact-banner {
  position: relative;
  background: var(--ink-3);
  margin-top: 0;
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
  opacity: 0.5;
}

.page-contact .banner-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(180deg, rgba(8, 22, 15, 0.12) 0%, rgba(8, 22, 15, 0.88) 100%);
}

.page-contact .banner-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  box-sizing: border-box;
  padding-bottom: 28px;
}

.page-contact .banner-text {
  margin: 0;
  max-width: 30ch;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(18px, 3.6vw, 26px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--sand);
}

.page-contact .banner-link {
  color: var(--pitch);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-figure img {
    max-height: 460px;
  }

  .page-contact .contact-banner img {
    height: 300px;
  }

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

  .page-contact .reply-card {
    padding-inline: 26px;
    border-left: 1px solid var(--line);
  }

  .page-contact .reply-card:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-bottom: 68px;
  }

  .page-contact .contact-channels {
    padding-bottom: 96px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--pc-line);
  }

  .page-contact .channel-card {
    padding: 30px 28px 34px;
    border-bottom: 0;
    border-right: 1px solid var(--pc-line-soft);
  }

  .page-contact .channel-card:first-child {
    padding-left: 0;
  }

  .page-contact .channel-card:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .page-contact .contact-figure {
    margin-top: 46px;
  }

  .page-contact .contact-prep {
    padding-block: 104px 88px;
  }

  .page-contact .prep-grid {
    grid-template-columns: 4fr 7fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-reply {
    padding-block: 104px 26px;
  }

  .page-contact .reply-grid {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 44px;
  }

  .page-contact .reply-card {
    padding: 30px 32px 36px;
  }

  .page-contact .contact-reasons {
    padding-block: 100px 92px;
  }

  .page-contact .reasons-panel {
    padding-top: 32px;
    max-width: 74ch;
  }

  .page-contact .region-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 40px;
  }

  .page-contact .region-note {
    grid-column: 1 / -1;
    margin-top: 8px;
  }

  .page-contact .contact-banner img {
    height: 340px;
  }

  .page-contact .banner-inner {
    padding-bottom: 40px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-lede {
    font-size: 17px;
  }

  .page-contact .channel-value {
    font-size: 22px;
  }
}

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