.page-contact {
  --contact-gap: clamp(18px, 2.2vw, 30px);
  --contact-pad: clamp(22px, 2.6vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 3.6vw, 48px) clamp(34px, 5vw, 64px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(640px, 76vw);
  height: min(640px, 76vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 240, 196, 0.13), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero-inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(18px, 2.6vw, 32px);
}

@media (min-width: 960px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

.page-contact .contact-hero-copy > * + * {
  margin-top: clamp(16px, 2vw, 24px);
}

.page-contact .contact-hero-lead {
  max-width: 36em;
  color: var(--paper);
  font-size: clamp(16px, 1.6vw, 17px);
  line-height: 1.78;
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero-visual {
  position: relative;
}

.page-contact .contact-hero-visual .media-frame {
  border-radius: var(--r-lg);
  border: 1px solid var(--rail);
  box-shadow: 0 28px 60px -34px rgba(0, 0, 0, 0.9);
}

.page-contact .contact-hero-visual .annotation {
  display: block;
  margin-top: 12px;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-contact .section-head {
  max-width: 46em;
}

.page-contact .section-head .section-title {
  margin-top: 10px;
}

.page-contact .section-lead {
  margin-top: 12px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(34px, 5vw, 64px);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--contact-pad);
  min-width: 0;
}

.page-contact .channel-role {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.5;
  color: var(--mint-soft);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-value--phone {
  font-size: clamp(24px, 3vw, 30px);
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-contact .channel-desc {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

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

.page-contact .channel-card--urgent {
  background: linear-gradient(160deg, rgba(255, 176, 58, 0.1), transparent 58%), var(--ink-800);
  border-color: rgba(255, 176, 58, 0.34);
}

.page-contact .copy-toast {
  font-size: 12px;
}

/* ---------- 纠错 ---------- */
.page-contact .contact-fix {
  padding-block: clamp(20px, 3vw, 40px);
}

.page-contact .contact-fix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

@media (min-width: 900px) {
  .page-contact .contact-fix-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }
}

.page-contact .contact-fix-intro {
  padding: var(--contact-pad);
}

.page-contact .contact-fix-intro .section-title {
  margin-top: 10px;
  margin-bottom: 16px;
}

.page-contact .contact-fix-intro p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .contact-fix-hint {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  background: rgba(43, 240, 196, 0.08);
  border: 1px solid rgba(43, 240, 196, 0.3);
  color: var(--mint-soft);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-fix-intro .btn {
  margin-top: 22px;
}

.page-contact .contact-fix-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .contact-fix-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px var(--contact-pad);
  background: var(--ink-800);
  border: 1px solid var(--rail);
  border-radius: var(--r-md);
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-fix-step:hover {
  background: var(--ink-700);
  border-color: var(--mint);
}

.page-contact .step-index {
  font-size: 26px;
  line-height: 1;
  color: var(--mint);
  letter-spacing: -0.02em;
}

.page-contact .step-title {
  color: var(--paper);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .step-desc {
  margin-top: 6px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 合作 ---------- */
.page-contact .contact-partner {
  padding-block: clamp(34px, 5vw, 64px);
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-top: clamp(22px, 3vw, 38px);
}

@media (min-width: 880px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .partner-card {
  padding: var(--contact-pad);
  background: linear-gradient(180deg, rgba(18, 49, 40, 0.6), var(--ink-800) 60%);
}

.page-contact .partner-title {
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .partner-card > p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .partner-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 20px;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--mint);
}

/* ---------- 响应时间 ---------- */
.page-contact .contact-response {
  padding-block: clamp(20px, 3vw, 40px);
}

.page-contact .contact-response-figure {
  margin: 0 0 clamp(26px, 3.6vw, 44px);
}

.page-contact .contact-response-figure .media-frame {
  border-radius: var(--r-lg);
  border: 1px solid var(--rail);
  overflow: hidden;
}

.page-contact .contact-dial {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

@media (min-width: 780px) {
  .page-contact .contact-dial {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .contact-dial-cell {
  padding: var(--contact-pad);
  border-radius: var(--r-md);
  border: 1px solid var(--rail);
  border-top: 2px solid var(--mint);
  background: var(--ink-800);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .contact-dial-cell:hover,
.page-contact .contact-dial-cell:focus-within {
  transform: translateY(-4px);
  border-color: var(--mint);
  background: var(--ink-700);
}

.page-contact .contact-dial-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-dial-window {
  margin-top: 14px;
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.35;
  color: var(--mint-soft);
}

.page-contact .contact-dial-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 信函与来访 ---------- */
.page-contact .contact-visit {
  padding-block: clamp(24px, 3.4vw, 48px);
}

.page-contact .contact-visit-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  padding: var(--contact-pad);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(43, 240, 196, 0.07), transparent 52%);
}

@media (min-width: 900px) {
  .page-contact .contact-visit-card {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
}

.page-contact .contact-visit-copy .section-title {
  margin-top: 10px;
}

.page-contact .contact-visit-copy p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .contact-visit-side {
  padding: 22px 24px;
  border-radius: var(--r-md);
  border: 1px dashed var(--rail);
  background: rgba(11, 31, 25, 0.7);
  min-width: 0;
}

.page-contact .contact-visit-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-visit-value {
  margin-top: 12px;
  color: var(--paper);
  font-size: 15.5px;
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.page-contact .contact-visit-side .copy-btn {
  margin-top: 16px;
}

/* ---------- 常见咨询方向 ---------- */
.page-contact .contact-topics {
  padding-block: clamp(34px, 5vw, 68px) clamp(46px, 6vw, 84px);
}

.page-contact .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

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

.page-contact .topic-pill {
  display: block;
  padding: 22px var(--contact-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--rail);
  background: var(--ink-800);
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .topic-pill:hover,
.page-contact .topic-pill:focus-visible {
  transform: translateY(-4px);
  border-color: var(--mint);
  background: var(--ink-700);
}

.page-contact .topic-q {
  display: block;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.45;
}

.page-contact .topic-a {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .contact-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(24px, 3vw, 36px);
  padding: 22px var(--contact-pad);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 176, 58, 0.32);
  background: linear-gradient(100deg, rgba(255, 176, 58, 0.12), transparent 70%);
}

.page-contact .contact-cta-text {
  flex: 1 1 260px;
  color: var(--paper);
  font-size: 15.5px;
  line-height: 1.72;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-dial-cell,
  .page-contact .topic-pill,
  .page-contact .contact-fix-step {
    transition: none;
  }
  .page-contact .contact-dial-cell:hover,
  .page-contact .topic-pill:hover {
    transform: none;
  }
}