.page-contact {
  --ct-radius: 0;
  background: var(--bg);
  color: var(--paper);
}

.page-contact .breadcrumb {
  padding: 20px 0 0;
}

/* ── 首屏 ───────────────────────────────── */
.page-contact .contact-hero {
  padding: 28px 0 56px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 36px;
}

.page-contact .contact-hero__copy::before {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 86% 100%, 0 100%);
  margin-bottom: 22px;
}

.page-contact .page-title {
  font-family: var(--font-head);
  font-size: clamp(30px, 5.2vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-contact .eyebrow {
  font-family: var(--font-head);
  font-size: var(--t-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0;
}

.page-contact .lede {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  margin: 20px 0 0;
  max-width: 58ch;
}

.page-contact .contact-hero__hint {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.8;
  color: var(--gold);
  margin: 18px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  max-width: 52ch;
}

/* ── 图片容器 ───────────────────────────── */
.page-contact .media-frame {
  display: block;
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-contact .media-frame--16x9 {
  aspect-ratio: 16 / 9;
}

.page-contact .channels-media {
  aspect-ratio: 16 / 10;
}

/* ── 三条通道 ───────────────────────────── */
.page-contact .channels-grid {
  display: grid;
  gap: 40px;
}

.page-contact .section-title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
  margin: 12px 0 0;
}

.page-contact .channels-main .section-title {
  margin-bottom: 28px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .channel-label {
  font-family: var(--font-head);
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-contact .channel-value {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(19px, 3.2vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 10px;
  overflow-wrap: anywhere;
}

.page-contact .channel-value--mail {
  color: var(--lime);
}

.page-contact .channel-meta {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
  max-width: 46ch;
}

.page-contact .copy-chip {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  padding: 8px 16px;
  font-family: var(--font-head);
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  cursor: pointer;
  transition: background-color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-contact .copy-chip:hover {
  background: var(--glass-strong);
  border-color: var(--lime);
}

.page-contact .copy-chip:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ── 纠错流程 ───────────────────────────── */
.page-contact .fix-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.page-contact .fix-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .fix-step__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: var(--t-19);
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-contact .fix-step__title {
  font-family: var(--font-head);
  font-size: var(--t-19);
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-contact .fix-step__body p {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}

/* ── 合作与授权 ─────────────────────────── */
.page-contact .coop-grid {
  display: grid;
  gap: 32px;
}

.page-contact .coop-copy > p {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.9;
  color: var(--muted);
  margin: 18px 0 0;
}

.page-contact .coop-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .coop-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .coop-list__k {
  font-family: var(--font-head);
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .coop-side {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 30px 26px;
}

.page-contact .coop-side__label {
  font-family: var(--font-head);
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.page-contact .coop-side__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: var(--t-48);
  line-height: 1;
  color: var(--lime);
  margin: 16px 0 0;
}

.page-contact .coop-side__unit {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.7;
  color: var(--paper);
  margin: 10px 0 0;
}

.page-contact .coop-side__note {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.85;
  color: var(--muted);
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

/* ── 服务时段 ───────────────────────────── */
.page-contact .window-panel {
  margin-top: 28px;
  padding: 30px 22px 10px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .window-scale {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.page-contact .window-scale__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .window-scale__mid {
  font-family: var(--font-head);
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .window-track {
  position: relative;
  height: 16px;
  margin: 20px 0 26px;
  background: rgba(237, 242, 239, 0.05);
  border: 1px solid var(--line);
}

.page-contact .window-track__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  display: block;
  background: var(--grad-contrast);
}

.page-contact .window-track__fill::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  max-width: 260px;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: var(--t-12);
  line-height: 1.6;
  color: var(--bg);
  background: var(--lime);
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms var(--ease);
}

.page-contact .window-track__fill:hover::after,
.page-contact .window-track__fill:focus-visible::after {
  opacity: 1;
}

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

.page-contact .window-note {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .window-note__k {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: var(--t-15);
  color: var(--gold);
  letter-spacing: 0.01em;
}

/* ── 地址与备案 ─────────────────────────── */
.page-contact .address-bar {
  display: grid;
  gap: 22px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  background: var(--glass);
}

.page-contact .address-bar__label {
  font-family: var(--font-head);
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}

.page-contact .address-bar__value {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.8;
  color: var(--paper);
  margin: 0;
}

.page-contact .contact-footnote {
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.9;
  color: var(--muted);
  margin: 26px 0 0;
}

.page-contact .link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 150ms var(--ease);
}

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

.page-contact .muted {
  color: var(--muted);
  font-family: var(--font-body);
  font-size: var(--t-15);
  line-height: 1.9;
  margin-top: 24px;
}

/* ── 响应式 ─────────────────────────────── */
@media (min-width: 640px) {
  .page-contact .fix-step {
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: start;
  }

  .page-contact .coop-list li {
    grid-template-columns: 94px 1fr;
    gap: 18px;
  }

  .page-contact .window-note {
    grid-template-columns: 118px 1fr;
    gap: 20px;
  }

  .page-contact .window-panel {
    padding: 36px 32px 14px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 44px 0 96px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 56px;
    align-items: end;
  }

  .page-contact .channels-grid {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 64px;
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: 1.65fr 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .coop-side {
    padding: 38px 32px;
  }

  .page-contact .window-panel {
    padding: 44px 44px 16px;
  }

  .page-contact .address-bar {
    grid-template-columns: 1.4fr 1fr 1.2fr;
    gap: 32px;
    padding: 32px 40px;
  }
}

@media (max-width: 767px) {
  .page-contact .window-track__fill::after {
    display: none;
  }
}