.page-contact {
  --ct-block: clamp(56px, 9vw, 112px);
  --ct-gap: clamp(20px, 3vw, 36px);
  position: relative;
  background:
    radial-gradient(120% 55% at 6% 0%, rgba(23, 178, 106, 0.10), transparent 62%),
    var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

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

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding: calc(var(--step) * 1.6) 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: var(--step) 0 var(--ct-block);
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

.page-contact .ct-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--green);
}

.page-contact .ct-eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--green);
  transform: skewX(-24deg);
}

.page-contact .ct-hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-contact .ct-hero-sub {
  margin: 24px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: #c6d2cd;
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.page-contact .ct-hero-actions .btn {
  min-width: 150px;
  justify-content: center;
}

.page-contact .ct-hero-figure {
  margin: 0;
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  overflow: hidden;
}

.page-contact .ct-hero-figure img {
  width: 100%;
  object-fit: cover;
}

.page-contact .ct-hero-caption {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  padding-top: var(--ct-block);
}

.page-contact .ct-section--last {
  padding-bottom: var(--ct-block);
}

.page-contact .section-head {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-contact .section-title {
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.15;
}

.page-contact .ct-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: #c6d2cd;
}

.page-contact .ct-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--green);
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 01 联系方式 ---------- */
.page-contact .ct-channel-grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channels {
  padding: clamp(22px, 3.4vw, 40px);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel-row {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--edge);
}

.page-contact .channel-row:first-child {
  padding-top: 0;
}

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

.page-contact .channel-key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .channel-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-val--lg {
  font-size: clamp(17px, 3.2vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .channel-val--underline {
  position: relative;
  display: inline-block;
  padding-bottom: 5px;
}

.page-contact .channel-val--underline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms var(--ease);
}

.page-contact .channel-val--underline:hover::after,
.page-contact .channel-val--underline:focus-visible::after {
  transform: scaleX(1);
}

.page-contact .ct-channel-hint {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px dashed var(--edge);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 01 反馈清单 ---------- */
.page-contact .ct-checklist {
  padding: clamp(22px, 3.4vw, 40px);
  background: var(--ink-800);
}

.page-contact .ct-panel-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-panel-sub {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .check-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .check-box {
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid var(--edge);
  background: var(--ink-700);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .check-item:hover .check-box {
  border-color: var(--green);
  background: rgba(23, 178, 106, 0.16);
}

.page-contact .check-title {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .check-desc {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 02 纠错流程 ---------- */
.page-contact .ct-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: clamp(14px, 2.5vw, 28px);
  padding: clamp(20px, 3vw, 30px) 0;
  border-top: 1px solid var(--edge);
}

.page-contact .ct-step:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-contact .ct-step-idx {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-contact .ct-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-step p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: #c6d2cd;
}

/* ---------- 03 合作 ---------- */
.page-contact .ct-collab-grid {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .ct-col-title {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .ct-collab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-collab-item {
  padding: 16px 20px;
  border-left: 2px solid var(--green);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
  transition: background-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-contact .ct-collab-item:hover {
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-contact .ct-collab-item strong {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
  color: var(--paper);
}

.page-contact .ct-collab-item span {
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-material {
  padding: clamp(22px, 3.4vw, 36px);
}

.page-contact .ct-material-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-material-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #c6d2cd;
}

.page-contact .ct-material-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-contact .ct-material-list strong {
  color: var(--paper);
}

.page-contact .ct-material-note {
  margin: clamp(20px, 3vw, 26px) 0 0;
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--edge);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 04 时间节奏 ---------- */
.page-contact .ct-rhythm {
  display: grid;
  gap: 0;
}

.page-contact .rhythm-item {
  padding: clamp(18px, 2.8vw, 26px) 0;
  border-top: 1px solid var(--edge);
}

.page-contact .rhythm-item:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-contact .rhythm-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .rhythm-item h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  background: var(--cyan);
  transform: translateY(-1px) rotate(45deg);
}

.page-contact .rhythm-item p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 05 范围与城市 ---------- */
.page-contact .ct-scope-grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-scope-copy p {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.9;
  color: #c6d2cd;
}

.page-contact .ct-scope-copy p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-scope-figure {
  margin: 0;
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, var(--cut-sm) 100%, 0 calc(100% - var(--cut-sm)));
  overflow: hidden;
}

.page-contact .ct-scope-figure img {
  width: 100%;
  object-fit: cover;
}

.page-contact .ct-city-strip {
  margin-top: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--edge);
  background: linear-gradient(118deg, rgba(23, 178, 106, 0.16), rgba(11, 107, 67, 0.06) 52%, transparent 88%);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-contact .ct-scope-stats {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 32px);
}

.page-contact .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.8vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-contact .stat-num--green {
  color: var(--green);
}

.page-contact .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .ct-city-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .ct-city-svg .ct-line {
  fill: none;
  stroke: var(--edge);
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.page-contact .ct-city-svg .ct-line--green {
  stroke: var(--green);
  opacity: 0.85;
}

.page-contact .ct-city-svg .ct-line--cyan {
  stroke: var(--cyan);
  opacity: 0.55;
  stroke-dasharray: 6 10;
}

.page-contact .ct-city-note {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- 06 使用指南 ---------- */
.page-contact .ct-guide-grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-guide-copy p {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.9;
  color: #c6d2cd;
}

.page-contact .ct-guide-copy .btn {
  min-width: 160px;
  justify-content: center;
}

.page-contact .ct-inline-link {
  color: var(--cyan);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  transition: color 220ms var(--ease), background-size 220ms var(--ease);
}

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

.page-contact .ct-guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-guide-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-top: 1px solid var(--edge);
  transition: border-color 220ms var(--ease);
}

.page-contact .ct-guide-list li:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-contact .ct-guide-list li:hover {
  border-top-color: var(--green);
}

.page-contact .guide-idx {
  font-size: 13px;
  color: var(--green);
}

.page-contact .guide-text {
  font-size: 14px;
  line-height: 1.75;
  color: #c6d2cd;
}

.page-contact .ct-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--edge);
  font-size: 13px;
}

.page-contact .ct-footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-contact .ct-footer-links a:hover,
.page-contact .ct-footer-links a:focus-visible {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-row {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

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

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .ct-rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-contact .ct-rhythm .rhythm-item:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--edge);
  }

  .page-contact .ct-guide-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 960px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .ct-collab-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .ct-scope-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: clamp(32px, 4.5vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-collab-item,
  .page-contact .check-box,
  .page-contact .channel-val--underline::after,
  .page-contact .ct-inline-link,
  .page-contact .ct-guide-list li {
    transition: none;
  }

  .page-contact .ct-collab-item:hover {
    transform: none;
  }
}