.page-contact {
  --c-side-w: 320px;
  --c-pad: 20px;
  background: var(--rice);
  color: var(--ink);
  font-family: var(--font-body);
  padding: 20px 0 88px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin: 20px 0 36px;
  padding: 28px 22px 26px;
  background:
    radial-gradient(120% 140% at 92% 8%, rgba(201, 162, 39, .26), transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--moss) 100%);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--rice);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(246, 241, 231, .05) 1px, transparent 1px);
  background-size: 5px 5px;
  pointer-events: none;
}

.page-contact .contact-hero-kicker {
  position: relative;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-hero-num {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 7px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  font-size: 11.5px;
}

.page-contact .contact-hero-title {
  position: relative;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(28px, 7.4vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--rice);
}

.page-contact .contact-hero-lead {
  position: relative;
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(246, 241, 231, .8);
}

.page-contact .contact-strip {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .01em;
  color: rgba(246, 241, 231, .74);
}

.page-contact .contact-strip b {
  margin-right: 6px;
  font-weight: 500;
  color: var(--gold);
}

/* ---------- 主栅格 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 34px;
}

/* ---------- 左侧联系卡片组 ---------- */
.page-contact .contact-side {
  display: grid;
  gap: 14px;
}

.page-contact .contact-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.page-contact .contact-card {
  padding: var(--c-pad) 18px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: 0 10px 24px rgba(14, 14, 16, .1);
}

.page-contact .contact-card-title {
  margin: 10px 0 6px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .contact-big {
  display: block;
  padding-bottom: 5px;
  font-family: var(--font-mono);
  font-size: clamp(21px, 5.6vw, 27px);
  line-height: 1.28;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  word-break: break-all;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-contact .contact-big--mail {
  font-size: clamp(13px, 3.7vw, 17px);
  line-height: 1.5;
}

.page-contact .contact-big:hover,
.page-contact .contact-big:focus-visible {
  color: var(--ruby);
  border-color: var(--ruby);
  outline: none;
}

.page-contact .contact-card-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .contact-card-address {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-style: normal;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--ink);
}

/* ---------- 右侧章节 ---------- */
.page-contact .contact-body {
  min-width: 0;
}

.page-contact .contact-section {
  padding: 4px 0 30px;
}

.page-contact .contact-section + .contact-section {
  padding-top: 26px;
}

.page-contact .contact-section--last {
  padding-bottom: 0;
}

.page-contact .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-contact .section-num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.7vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-contact .prose {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--grey);
}

/* ---------- 通道选项卡 ---------- */
.page-contact .channel-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 16px;
}

.page-contact .channel-tab {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  background: transparent;
  transition: background 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-contact .channel-tab:hover,
.page-contact .channel-tab:focus-visible {
  border-color: var(--ruby);
  color: var(--ruby);
  outline: none;
}

.page-contact:has(#channel-email:target) .channel-tab[href="#channel-email"],
.page-contact:has(#channel-ticket:target) .channel-tab[href="#channel-ticket"],
.page-contact:not(:has(.channel-panel:target)) .channel-tab[href="#channel-ticket"] {
  background: var(--ruby);
  border-color: var(--ruby);
  color: var(--rice);
}

.page-contact .channel-panel {
  display: none;
  padding: 20px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--jade);
  border-radius: 4px;
}

.page-contact .channel-panel:target {
  display: block;
}

.page-contact:not(:has(.channel-panel:target)) .channel-panel#channel-ticket {
  display: block;
}

.page-contact .channel-panel-title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .channel-panel-text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.page-contact .contact-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

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

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 服务时段信息条 ---------- */
.page-contact .hours-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 18px;
  padding: 14px 18px;
  background: var(--moss);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--rice);
}

.page-contact .hours-strip-label {
  color: var(--gold);
  letter-spacing: .14em;
  font-size: 11.5px;
  text-transform: uppercase;
}

.page-contact .hours-strip-bar {
  flex: 1 1 90px;
  min-width: 70px;
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold) 0 62%, rgba(201, 162, 39, .16) 62% 100%);
}

.page-contact .hours-strip-text {
  font-weight: 500;
  letter-spacing: .02em;
}

.page-contact .hours-grid {
  gap: 14px;
}

.page-contact .hours-block {
  padding: 16px 18px;
  background: rgba(239, 231, 214, .7);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
}

.page-contact .hours-block h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .hours-block p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--grey);
}

/* ---------- 地址 ---------- */
.page-contact .address-grid {
  gap: 20px;
}

.page-contact .address-text {
  min-width: 0;
}

.page-contact .address-block {
  display: block;
  margin: 0 0 16px;
  padding: 16px 18px;
  background: rgba(239, 231, 214, .7);
  border-left: 3px solid var(--gold);
  border-radius: 0 4px 4px 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-style: normal;
  line-height: 1.9;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .address-line {
  display: block;
}

.page-contact .address-text .prose {
  margin-bottom: 12px;
}

.page-contact .address-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
}

/* ---------- 邮件模板 ---------- */
.page-contact .template-card {
  margin: 0 0 18px;
  padding: 20px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--rice);
}

.page-contact .template-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .template-code {
  display: block;
  padding: 12px 14px;
  background: var(--ink-muted);
  border: 1px dashed var(--brass);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.6vw, 23px);
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--rice);
  word-break: break-all;
}

.page-contact .template-hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(246, 241, 231, .72);
}

.page-contact .mail-points {
  gap: 14px;
  margin-top: 4px;
}

.page-contact .mail-point {
  padding: 16px 16px 18px;
  background: rgba(239, 231, 214, .55);
  border-top: 2px solid var(--gold);
  border-radius: 0 0 4px 4px;
}

.page-contact .mail-point-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--brass);
}

.page-contact .mail-point h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .mail-point p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

/* ---------- 合作 ---------- */
.page-contact .coop-grid {
  gap: 14px;
  margin-top: 4px;
}

.page-contact .coop-card {
  padding: 18px 18px 20px;
  background: var(--rice);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .coop-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.page-contact .coop-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 提交前确认清单 ---------- */
.page-contact .check-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: chk;
  display: grid;
  gap: 12px;
}

.page-contact .check-list li {
  position: relative;
  counter-increment: chk;
  padding: 14px 16px 14px 58px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--grey);
}

.page-contact .check-list li::before {
  content: counter(chk, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .check-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 底部动作 ---------- */
.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-contact {
    padding: 28px 0 104px;
  }

  .page-contact .contact-hero {
    padding: 40px 40px 34px;
    margin-bottom: 48px;
  }

  .page-contact .contact-card {
    padding: 22px 22px 24px;
  }

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

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--c-side-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-side {
    position: sticky;
    top: calc(var(--topbar-h, 72px) + 24px);
    gap: 16px;
  }

  .page-contact .contact-body {
    min-width: 0;
  }
}

@media (min-width: 1200px) {
  .page-contact {
    --c-side-w: 348px;
  }
}