.page-contact {
  --ct-gap: clamp(20px, 2.8vw, 40px);
  --ct-pad: clamp(16px, 2.2vw, 26px);
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(18px, 2.6vw, 32px) var(--gutter) clamp(72px, 9vw, 120px);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  overflow-wrap: break-word;
}

.page-contact a {
  color: var(--gold-bright);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* 面包屑 */
.page-contact .breadcrumb {
  margin: 0 0 clamp(18px, 2.6vw, 30px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4em;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4em;
  color: var(--line);
}

.page-contact .breadcrumb a {
  color: var(--slate);
}

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

/* 首屏分屏 */
.page-contact .contact-hero {
  display: grid;
  gap: var(--ct-gap);
  padding-bottom: clamp(28px, 3.8vw, 50px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 0.32em 0 0.5em;
  max-width: 17ch;
}

.page-contact .contact-hero__lead {
  max-width: 48ch;
  margin: 0 0 1.5em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--slate);
}

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

/* 首屏右侧对接面板 */
.page-contact .hero-board {
  position: relative;
  margin: 0;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, #0c2a21 0%, #061611 100%);
  overflow: hidden;
}

.page-contact .hero-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(24, 74, 56, 0.45) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 74, 56, 0.45) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: linear-gradient(180deg, #000 20%, transparent 95%);
  mask-image: linear-gradient(180deg, #000 20%, transparent 95%);
  pointer-events: none;
}

.page-contact .hero-board > * {
  position: relative;
}

.page-contact .hero-board__label {
  margin: 0 0 0.6em;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .hero-board__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.page-contact .hero-board__meta {
  display: grid;
  gap: 0;
  margin: 1.4em 0 0;
}

.page-contact .hero-board__meta > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 14px;
  padding: 10px 0;
  border-top: 1px dashed rgba(24, 74, 56, 0.9);
}

.page-contact .hero-board__meta > div:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .hero-board__meta dt {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .hero-board__meta dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--mist);
}

.page-contact .hero-board__meta dd.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* 非对称双栏主体 */
.page-contact .contact-split {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  padding-top: clamp(32px, 4.6vw, 60px);
}

.page-contact .block-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 0.7em;
}

.page-contact .block-title::after {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-top: 0.55em;
  background: var(--gold);
}

.page-contact .block-sub {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.9vw, 1.25rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: clamp(30px, 4vw, 44px) 0 0.5em;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
}

/* 合作方向 */
.page-contact .direction-figure {
  margin: 0 0 clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.page-contact .direction-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

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

.page-contact .direction {
  padding: var(--ct-pad);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .direction:hover,
.page-contact .direction:focus-within {
  border-color: var(--gold);
  border-left-color: var(--gold);
  background: linear-gradient(140deg, rgba(215, 169, 59, 0.1), rgba(12, 42, 33, 0.92));
}

.page-contact .direction__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 0.45em;
}

.page-contact .direction__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .direction__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-contact .direction p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* 联系渠道表 */
.page-contact .table-scroll {
  overflow-x: auto;
  border-top: 1px solid var(--line);
}

.page-contact .channel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-contact .channel-table caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .channel-table th {
  width: 1px;
  white-space: nowrap;
  text-align: left;
  vertical-align: top;
  padding: 15px 18px 15px 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .channel-table td {
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  color: var(--mist);
}

.page-contact .channel-table tbody tr:hover td,
.page-contact .channel-table tbody tr:hover th {
  background: rgba(144, 164, 184, 0.08);
}

.page-contact .contact-line {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-val {
  font-size: 14.5px;
  color: var(--gold-bright);
}

.page-contact .contact-val.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-val--text {
  display: inline-block;
  color: var(--mist);
  line-height: 1.7;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn[data-copied] {
  background: var(--gold);
  color: var(--ink-900);
}

.page-contact .contact-note {
  margin: 18px 0 0;
  padding: 15px 18px;
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(215, 169, 59, 0.07);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* 右侧配图 */
.page-contact .channel-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  overflow: hidden;
  aspect-ratio: 10 / 7;
}

.page-contact .channel-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .split-right__lead {
  margin: 0 0 0.4em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* 邮件模板 */
.page-contact .mail-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.page-contact .mail-tpl {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  overflow: hidden;
  transition: border-color 0.18s var(--ease);
}

.page-contact .mail-tpl:hover {
  border-color: var(--gold);
}

.page-contact .mail-tpl summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px var(--ct-pad);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .mail-tpl summary::-webkit-details-marker {
  display: none;
}

.page-contact .mail-tpl summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
}

.page-contact .mail-tpl[open] summary::after {
  content: "−";
}

.page-contact .mail-tpl summary:hover {
  background: rgba(24, 74, 56, 0.45);
  color: var(--gold-bright);
}

.page-contact .mail-tpl__body {
  padding: 14px var(--ct-pad) var(--ct-pad);
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .mail-tpl__body p {
  margin: 0 0 0.7em;
}

.page-contact .mail-tpl__body p:last-child {
  margin-bottom: 0;
}

.page-contact .mail-tpl__key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

/* 处理流程 */
.page-contact .flow {
  margin-top: clamp(46px, 6vw, 84px);
  padding-top: clamp(32px, 4.2vw, 54px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .flow-list {
  display: grid;
  gap: 22px;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding: 24px var(--ct-pad) var(--ct-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .flow-step:hover {
  border-color: var(--gold);
  background: var(--ink-800);
}

.page-contact .flow-step__no {
  position: absolute;
  top: -11px;
  left: var(--ct-pad);
  padding: 2px 9px;
  border-radius: 2px;
  background: var(--gold);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.16em;
  line-height: 1.6;
}

.page-contact .flow-step__name {
  margin: 0 0 0.45em;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* 服务时间条 */
.page-contact .hours-band {
  display: grid;
  gap: 16px;
  margin-top: clamp(42px, 5.4vw, 74px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(12, 42, 33, 0.95), rgba(6, 22, 17, 0.98));
}

.page-contact .hours-band__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .hours-band__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .related-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .related-strip a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-contact .related-strip a:hover {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
  text-decoration: none;
}

/* 断点 */
@media (min-width: 720px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .hours-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 32px;
  }

  .page-contact .hours-band__label {
    grid-column: 1 / -1;
  }

  .page-contact .hours-band__text {
    grid-column: 1;
  }

  .page-contact .related-strip {
    grid-column: 2;
    justify-content: flex-end;
    max-width: 260px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(34px, 4.2vw, 66px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}