.page-contact {
  --pc-line: rgba(233, 241, 236, 0.14);
  --pc-line-soft: rgba(233, 241, 236, 0.07);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(44px, 7vw, 96px);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.6) contrast(1.05);
}

.page-contact .contact-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(168deg, rgba(7, 19, 15, 0.55) 0%, rgba(7, 19, 15, 0.88) 58%, var(--bg) 100%);
}

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

.page-contact .contact-h1 {
  margin: 18px 0 0;
  line-height: 0.94;
  letter-spacing: -0.02em;
  font-weight: 200;
  max-width: 18ch;
}

.page-contact .contact-hero-foot {
  margin-top: clamp(22px, 4vw, 40px);
  display: grid;
  gap: 16px;
  max-width: 62ch;
}

.page-contact .contact-lead {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.page-contact .contact-hint {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 通用小标题 */
.page-contact .contact-h2 {
  margin: 14px 0 0;
  font-size: clamp(25px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-contact .contact-intro {
  margin: clamp(16px, 2vw, 22px) 0 0;
  color: var(--muted);
  line-height: 1.75;
  max-width: 64ch;
}

.page-contact .heading-sm {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 600;
  line-height: 1.4;
}

/* 渠道面板 */
.page-contact .contact-channels {
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-contact .channel-grid {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .channel {
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .channel-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-name {
  margin: 10px 0 0;
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 600;
}

.page-contact .channel-value {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.3vw, 27px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .channel--phone .channel-value {
  color: var(--orange);
}

.page-contact .channel--addr .channel-value {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.6;
  color: var(--text);
}

.page-contact .channel-copy {
  margin-top: 16px;
}

.page-contact .channel-use {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* 数据问题提交 */
.page-contact .contact-report {
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .report-grid {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-contact .report-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: rep;
}

.page-contact .report-list li {
  position: relative;
  padding: 14px 0 0 30px;
  border-top: 1px solid var(--pc-line-soft);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--muted);
  counter-increment: rep;
}

.page-contact .report-list li::before {
  content: counter(rep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-contact .report-list strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 2px;
}

.page-contact .report-tip {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .report-sample {
  border: 1px solid var(--pc-line);
  background: rgba(7, 19, 15, 0.45);
}

.page-contact .sample-bar {
  margin: 0;
  padding: 12px 18px;
  border-bottom: 1px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .code-block {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: code;
}

.page-contact .code-block li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--pc-line-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
  counter-increment: code;
}

.page-contact .code-block li:last-child {
  border-bottom: 0;
}

.page-contact .code-block li::before {
  content: counter(code, decimal-leading-zero);
  flex: none;
  color: var(--muted);
  opacity: 0.55;
}

.page-contact .code-key {
  flex: none;
  min-width: 44px;
  color: var(--lime);
}

/* 合作 */
.page-contact .contact-partner {
  padding-top: clamp(44px, 6vw, 88px);
  padding-bottom: clamp(44px, 6vw, 88px);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .partner-list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .partner-list li {
  padding-top: 18px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .partner-list p {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .partner-start {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--lime);
  background: rgba(200, 255, 61, 0.05);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .partner-media {
  margin: 0;
  border: 1px solid var(--pc-line);
  overflow: hidden;
}

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

.page-contact .partner-cap {
  padding: 12px 16px;
  border-top: 1px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* 服务时间 */
.page-contact .contact-hours {
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .hours-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .hours-note {
  margin: clamp(16px, 2vw, 22px) 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 56ch;
}

.page-contact .hours-panel {
  border: 1px solid var(--pc-line);
  background: rgba(7, 19, 15, 0.35);
}

.page-contact .hours-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--pc-line-soft);
}

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

.page-contact .hours-row span {
  font-size: 14px;
  color: var(--muted);
}

.page-contact .hours-row strong {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 700;
  color: var(--text);
}

.page-contact .hours-row .tag {
  align-self: center;
}

/* 站点信息 */
.page-contact .contact-site {
  padding-top: clamp(40px, 5vw, 72px);
  padding-bottom: clamp(44px, 6vw, 84px);
}

.page-contact .site-rows {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line);
  max-width: 640px;
}

.page-contact .site-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .site-row span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .site-row strong {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--gold);
}

.page-contact .contact-links {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: 14px;
  line-height: 2.1;
  color: var(--muted);
}

.page-contact .contact-links a {
  color: var(--lime);
  text-decoration: none;
  margin-left: 14px;
  border-bottom: 1px solid rgba(200, 255, 61, 0.4);
  padding-bottom: 1px;
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  border-bottom-color: var(--lime);
}

/* 平板与桌面 */
@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-contact .report-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .partner-media {
    transition: none;
  }
}