.page-contact {
  --card-lite: #FFFCF4;
  --body-on-dark: #C3CFDB;
  --jade-deep: #1F6B58;
  --gold-deep: #8A6E12;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 34px) 0 46px;
  background:
    radial-gradient(110% 82% at 88% -12%, rgba(201, 162, 39, 0.18), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(201, 162, 39, 0.22);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-contact .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--gold-lite);
  border-bottom-color: var(--gold-lite);
}

.page-contact .eyebrow {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .band-lite .eyebrow {
  color: var(--gold-deep);
}

.page-contact h1 {
  margin: 14px 0 0;
  max-width: 20em;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(30px, 6.6vw, 58px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--body-on-dark);
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .hero-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
  flex: none;
}

.page-contact .hero-jump-wrap {
  margin: 24px 0 0;
}

.page-contact .hero-jump {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-lite);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 200, 92, 0.45);
  padding-bottom: 3px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .hero-jump:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 通用标题 ---------- */
.page-contact h2 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.26;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .band-lite h2 {
  color: var(--ink);
}

.page-contact .section-intro {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--body-on-dark);
}

.page-contact .band-lite .section-intro {
  color: #42566E;
}

/* ---------- 三种渠道 ---------- */
.page-contact .channels {
  padding: 50px 0 54px;
  background: var(--ink);
}

.page-contact .channel-map {
  margin: 28px 0 0;
}

.page-contact .channel-map figcaption,
.page-contact .address-visual figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 28px;
}

.page-contact .channel-card {
  --accent: var(--gold);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 28px 22px 24px;
  background: var(--panel);
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), background-color 240ms var(--ease);
}

.page-contact .channel-card--phone {
  --accent: var(--cinnabar);
}

.page-contact .channel-card--feedback {
  --accent: var(--jade);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 3px;
  background: var(--accent);
}

.page-contact .channel-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--accent);
}

.page-contact .channel-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-on-dark);
}

.page-contact .copy-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 10px;
  width: 100%;
  margin-top: auto;
  padding: 11px 13px;
  background: transparent;
  border: 1px dashed var(--rule);
  color: var(--paper);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .copy-value {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-contact .copy-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .copy-line[data-copied] .copy-hint {
  font-size: 0;
  color: var(--jade);
}

.page-contact .copy-line[data-copied] .copy-hint::after {
  content: "已复制";
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-contact .channel-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .channel-action {
  margin-top: auto;
  align-self: flex-start;
}

@media (hover: hover) {
  .page-contact .channel-card:hover {
    transform: translateY(-2px);
    border-color: var(--gold-lite);
    background: var(--panel-2);
  }

  .page-contact .copy-line:hover {
    border-color: var(--gold-lite);
    color: var(--gold-lite);
  }
}

/* ---------- 浅色带 ---------- */
.page-contact .band-lite {
  background: var(--sand);
  color: var(--ink);
  border-top: 2px solid var(--gold);
}

/* ---------- 问题反馈 ---------- */
.page-contact .feedback {
  padding: 50px 0 54px;
}

.page-contact .feedback-steps {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .feedback-steps details {
  background: var(--card-lite);
  border: 1px solid #DED5C2;
  border-left: 3px solid var(--gold);
}

.page-contact .feedback-steps summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-contact .feedback-steps summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: #8C8271;
}

.page-contact .feedback-steps details[open] summary::after {
  content: "−";
  color: var(--gold-deep);
}

.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
  flex: none;
}

.page-contact .step-body {
  padding: 14px 18px 18px;
  border-top: 1px solid #E4DBC8;
  font-size: 15.5px;
  line-height: 1.78;
  color: #42566E;
}

.page-contact .feedback-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: #5A6C82;
}

.page-contact .feedback-note a {
  color: var(--jade-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 107, 88, 0.4);
}

.page-contact .feedback-note a:hover {
  border-bottom-color: var(--jade-deep);
}

/* ---------- 自助入口 ---------- */
.page-contact .self-serve {
  padding: 52px 0 46px;
  background: var(--ink);
}

.page-contact .serve-list {
  margin-top: 26px;
  border-top: 1px solid var(--rule);
}

.page-contact .serve-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .serve-tag {
  margin: 0;
  align-self: start;
  justify-self: start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--jade);
  border: 1px solid rgba(46, 139, 114, 0.5);
}

.page-contact .serve-body h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .serve-body p {
  margin: 8px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--body-on-dark);
}

.page-contact .serve-link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-lite);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 200, 92, 0.4);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .serve-link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm {
  padding: 50px 0 54px;
}

.page-contact .rhythm-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 28px;
}

.page-contact .rhythm-clock {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--card-lite);
  border: 1px solid #DED5C2;
  border-left: 3px solid var(--cinnabar);
}

.page-contact .clock-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .clock-bar {
  flex: 1 1 auto;
  min-width: 24px;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--cinnabar) 0 6px, transparent 6px 12px);
}

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

.page-contact .rhythm-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.78;
  color: #42566E;
}

.page-contact .rhythm-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--jade);
  transform: rotate(45deg);
}

/* ---------- 地址与备案 ---------- */
.page-contact .address {
  padding: 52px 0 10px;
  background: var(--ink-2);
  border-top: 1px solid var(--rule);
}

.page-contact .address-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-contact .coord-card {
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  background: var(--panel);
  border-left: 3px solid var(--jade);
}

.page-contact .coord-card > div {
  display: grid;
  gap: 6px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .coord-card > div:last-child {
  border-bottom: 0;
}

.page-contact .coord-card dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .coord-card dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .coord-card .mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
}

.page-contact .address-visual {
  margin: 0;
}

.page-contact .end-scale {
  margin-top: 48px;
  height: 24px;
  border-top: 2px solid var(--gold);
  background-image: repeating-linear-gradient(to right, var(--rule) 0 1px, transparent 1px 28px);
  background-size: 100% 12px;
  background-repeat: repeat-x;
  background-position: top left;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 52px) 0 62px;
  }

  .page-contact .channels,
  .page-contact .feedback,
  .page-contact .self-serve,
  .page-contact .rhythm {
    padding: 66px 0 70px;
  }

  .page-contact .address {
    padding: 68px 0 16px;
  }

  .page-contact .serve-item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 6px 24px;
    padding: 24px 0 26px;
  }

  .page-contact .rhythm-layout {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
    gap: 38px;
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 940px) {
  .page-contact .address-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .copy-line,
  .page-contact .hero-jump,
  .page-contact .serve-link,
  .page-contact .breadcrumb a {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}
<<<END>>>