.page-contact {
  --contact-line: rgba(53, 230, 210, 0.22);
  --contact-line-soft: rgba(124, 135, 152, 0.18);
  --contact-rail-w: 200px;
  --contact-gap: 40px;
  position: relative;
  display: block;
  color: var(--star);
  background:
    radial-gradient(120% 60% at 88% 4%, rgba(255, 46, 139, 0.16), transparent 62%),
    radial-gradient(90% 50% at 4% 30%, rgba(53, 230, 210, 0.10), transparent 60%),
    var(--indigo);
}

.page-contact .breadcrumb {
  padding-top: 28px;
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--rock);
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-contact .breadcrumb a {
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  padding-top: 32px;
  padding-bottom: 48px;
}
.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}
.page-contact .eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 16px;
}
.page-contact .h1-page {
  font-family: var(--sans);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(34px, 8vw, 56px);
  line-height: 1.1;
  margin: 0 0 20px;
  color: var(--star);
}
.page-contact .lede {
  max-width: 620px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.76);
  margin: 0 0 28px;
}
.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.page-contact .hero-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--contact-line-soft);
  font-family: var(--mono);
  font-size: var(--fs-13);
  color: rgba(244, 247, 251, 0.8);
}
.page-contact .hero-hints li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-contact .hero-hints .mono-label {
  color: var(--rock);
  font-size: var(--fs-12);
}

/* 界面示意 */
.page-contact .contact-hero-visual {
  position: relative;
}
.page-contact .screen-mock {
  position: relative;
  border: 1px solid var(--contact-line);
  background: linear-gradient(160deg, var(--indigo-step), rgba(5, 7, 15, 0.9));
  padding: 14px 14px 20px;
  min-height: 260px;
}
.page-contact .screen-mock::before,
.page-contact .screen-mock::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--cyan);
  opacity: 0.7;
}
.page-contact .screen-mock::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.page-contact .screen-mock::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}
.page-contact .screen-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--contact-line-soft);
}
.page-contact .screen-dot {
  width: 7px;
  height: 7px;
  background: var(--rock);
  opacity: 0.5;
}
.page-contact .screen-bar-label {
  margin-left: auto;
  color: var(--cyan);
  letter-spacing: 0.1em;
}
.page-contact .screen-body {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  padding-top: 18px;
}
.page-contact .screen-col--rail {
  border-right: 1px solid var(--contact-line-soft);
  min-height: 130px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(53, 230, 210, 0.14) 0 1px,
    transparent 1px 18px
  );
}
.page-contact .screen-col--main {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 6px;
}
.page-contact .screen-line {
  display: block;
  height: 8px;
  width: 100%;
  background: rgba(244, 247, 251, 0.12);
}
.page-contact .screen-line--short { width: 46%; }
.page-contact .screen-line--mid { width: 72%; }
.page-contact .screen-corner {
  position: absolute;
  right: 18px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--star);
}
.page-contact .rail-dot-visual {
  position: relative;
  width: 14px;
  height: 14px;
  background: var(--magenta);
  box-shadow: 0 0 0 5px rgba(255, 46, 139, 0.18);
  animation: contactPulse 3.2s var(--ease) infinite;
}
.page-contact .rail-dot-visual::after {
  content: "";
  position: absolute;
  inset: -10px;
  border: 1px solid rgba(255, 46, 139, 0.36);
  animation: contactRing 3.2s var(--ease) infinite;
}
@keyframes contactPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.88); opacity: 0.78; }
}
@keyframes contactRing {
  0% { transform: scale(0.7); opacity: 0.7; }
  70%, 100% { transform: scale(1.5); opacity: 0; }
}
.page-contact .screen-corner-text { color: var(--magenta); letter-spacing: 0.06em; }
.page-contact .visual-note {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--rock);
  line-height: 1.7;
}

/* ============ 主体两栏 ============ */
.page-contact .contact-body {
  padding-bottom: 40px;
}
.page-contact .contact-body-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

/* 左侧刻度 */
.page-contact .path-rail {
  position: relative;
  border-top: 1px solid var(--contact-line);
  padding-top: 18px;
}
.page-contact .rail-title {
  color: var(--cyan);
  letter-spacing: 0.16em;
  margin: 0 0 14px;
}
.page-contact .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  position: relative;
}
.page-contact .rail-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), rgba(53, 230, 210, 0.08));
  opacity: 0.5;
}
.page-contact .rail-item {
  position: relative;
}
.page-contact .rail-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0 9px 0;
  text-decoration: none;
  color: rgba(244, 247, 251, 0.66);
  transition: color 0.24s var(--ease), transform 0.24s var(--ease);
}
.page-contact .rail-link::before {
  content: "";
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  box-sizing: border-box;
  border: 1px solid var(--rock);
  background: var(--indigo);
  transform: translateY(1px);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}
.page-contact .rail-no {
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--rock);
}
.page-contact .rail-name {
  font-size: var(--fs-16);
}
.page-contact .rail-link:hover,
.page-contact .rail-link:focus-visible {
  color: var(--star);
  transform: translateX(2px);
}
.page-contact .rail-item.is-active .rail-link {
  color: var(--cyan);
}
.page-contact .rail-item.is-active .rail-link::before {
  border-color: var(--cyan);
  background: var(--cyan);
}
.page-contact .rail-foot {
  margin-top: 24px;
  padding: 16px 0 0;
  border-top: 1px dashed var(--contact-line-soft);
}
.page-contact .rail-foot .mono-label { color: var(--rock); }
.page-contact .rail-foot p {
  margin: 8px 0 10px;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.66);
}
.page-contact .rail-foot-link {
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}
.page-contact .rail-foot-link:hover,
.page-contact .rail-foot-link:focus-visible { color: var(--star); }

/* 区块通用 */
.page-contact .contact-main {
  min-width: 0;
}
.page-contact .block {
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--contact-line-soft);
}
.page-contact .block:first-child { border-top: 0; padding-top: 0; }
.page-contact .block-head {
  max-width: 700px;
  margin-bottom: 30px;
}
.page-contact .block-no {
  display: inline-block;
  color: var(--clay);
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}
.page-contact .serif-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(22px, 5.4vw, 30px);
  line-height: 1.35;
  margin: 0 0 14px;
  color: var(--star);
}
.page-contact .block-lede {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.72);
}
.page-contact .mono-value {
  font-family: var(--mono);
  font-size: var(--fs-13);
  word-break: break-all;
}
.page-contact .mini-list,
.page-contact .postal-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .mini-list li,
.page-contact .postal-list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.66);
}
.page-contact .mini-list li + li,
.page-contact .postal-list li + li { margin-top: 6px; }
.page-contact .mini-list li::before,
.page-contact .postal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* 01 入口 */
.page-contact .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-contact .entry-photo {
  margin: 0;
  border: 1px solid var(--contact-line);
}
.page-contact .entry-photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.86) contrast(1.04);
}
.page-contact .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .entry-item {
  position: relative;
  padding: 18px 0 18px 20px;
  border-left: 1px solid var(--contact-line-soft);
}
.page-contact .entry-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 24px;
  width: 7px;
  height: 7px;
  background: var(--indigo);
  border: 1px solid var(--cyan);
}
.page-contact .entry-item:first-child { padding-top: 0; }
.page-contact .entry-item:first-child::before { top: 6px; }
.page-contact .index-no {
  display: block;
  color: var(--cyan);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.page-contact .index-title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--fs-16);
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--star);
}
.page-contact .entry-item p,
.page-contact .write-card p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.7);
}

/* 02 填写卡片 */
.page-contact .write-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .write-card {
  border: 1px solid var(--contact-line-soft);
  background: linear-gradient(150deg, rgba(22, 32, 74, 0.9), rgba(11, 18, 48, 0.72));
  padding: 22px 20px 24px;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}
.page-contact .write-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-cyan);
}
.page-contact .write-card .tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  margin-bottom: 14px;
}
.page-contact .tag--clay { color: var(--clay); }
.page-contact .tag--moss { color: var(--moss); }
.page-contact .write-card .tag:not(.tag--clay):not(.tag--moss) { color: var(--cyan); }
.page-contact .write-tip {
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 2px solid var(--magenta);
  background: rgba(255, 46, 139, 0.06);
}
.page-contact .write-tip .mono-label {
  display: block;
  color: var(--magenta);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.page-contact .write-tip p {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.76);
}

/* 03 流程 */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--contact-line-soft);
}
.page-contact .flow-item {
  border-bottom: 1px solid var(--contact-line-soft);
}
.page-contact .flow-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 4px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}
.page-contact .flow-trigger:hover,
.page-contact .flow-trigger:focus-visible {
  color: var(--cyan);
}
.page-contact .flow-no {
  flex: 0 0 auto;
  color: var(--rock);
  letter-spacing: 0.12em;
}
.page-contact .flow-name {
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--fs-16);
  flex: 1 1 auto;
}
.page-contact .flow-mark {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: var(--fs-20);
  color: var(--cyan);
  line-height: 1;
  transition: transform 0.28s var(--ease);
}
.page-contact .flow-trigger[aria-expanded="true"] .flow-mark {
  transform: rotate(45deg);
}
.page-contact .flow-panel {
  padding: 0 4px 20px 4px;
}
.page-contact .flow-panel p {
  margin: 0;
  max-width: 680px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.72);
}
.page-contact .flow-foot {
  margin: 22px 0 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--rock);
}
.page-contact .flow-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}
.page-contact .flow-foot a:hover,
.page-contact .flow-foot a:focus-visible { color: var(--star); }

/* 04 渠道 */
.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-contact .channel-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-contact .channel-card {
  position: relative;
  border: 1px solid var(--contact-line-soft);
  padding: 20px 18px;
  background: rgba(22, 32, 74, 0.5);
}
.page-contact .channel-card .tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
  padding: 3px 8px;
  margin-bottom: 12px;
}
.page-contact .contact-value {
  margin: 0 0 12px;
  color: var(--star);
  font-size: var(--fs-16);
}
.page-contact .copy-btn {
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: none;
  border: 1px solid var(--line-cyan);
  padding: 6px 12px;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: rgba(53, 230, 210, 0.12);
  color: var(--star);
}
.page-contact .copy-btn.is-copied {
  color: var(--star);
  border-color: var(--magenta);
  background: rgba(255, 46, 139, 0.18);
}
.page-contact .channel-note {
  margin: 12px 0 0;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.66);
}
.page-contact .channel-figure {
  margin: 0;
  border: 1px solid var(--contact-line);
}
.page-contact .channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

/* 服务时间条 */
.page-contact .service-bar {
  margin-top: 30px;
  border: 1px solid var(--contact-line-soft);
  background: linear-gradient(120deg, rgba(5, 7, 15, 0.7), rgba(22, 32, 74, 0.55));
  padding: 20px 18px 22px;
}
.page-contact .service-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 26px;
}
.page-contact .service-head .mono-label {
  color: var(--rock);
  letter-spacing: 0.12em;
}
.page-contact .service-state {
  font-family: var(--mono);
  font-size: var(--fs-13);
  color: var(--cyan);
}
.page-contact .service-scale {
  position: relative;
  height: 46px;
  margin-bottom: 22px;
  border-top: 1px solid var(--contact-line-soft);
}
.page-contact .scale-fill {
  position: absolute;
  top: -1px;
  left: 37.5%;
  width: 37.5%;
  height: 2px;
  background: var(--cyan);
}
.page-contact .scale-mark {
  position: absolute;
  top: 0;
  left: var(--p);
  transform: translateX(-50%);
  text-align: center;
}
.page-contact .scale-mark i {
  display: block;
  width: 1px;
  height: 10px;
  margin: 0 auto 6px;
  background: var(--rock);
  opacity: 0.6;
}
.page-contact .scale-mark b {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 10px;
  color: var(--rock);
  white-space: nowrap;
}
.page-contact .scale-mark--hot i { height: 16px; background: var(--cyan); opacity: 1; }
.page-contact .scale-mark--hot b { color: var(--cyan); }
.page-contact .service-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: var(--fs-13);
  color: rgba(244, 247, 251, 0.8);
}
.page-contact .service-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-contact .service-facts .mono-label { color: var(--rock); font-size: var(--fs-12); }
.page-contact .service-hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--contact-line-soft);
  font-size: var(--fs-13);
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.62);
}
.page-contact .service-bar.is-open .service-state { color: var(--magenta); }

/* 05 合作 */
.page-contact .partner-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-contact .partner-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--contact-line-soft);
}
.page-contact .partner-key {
  display: block;
  color: var(--moss);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.page-contact .partner-row p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.72);
}
.page-contact .partner-mail {
  margin: 20px 0 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--rock);
}
.page-contact .partner-mail .mono-value { color: var(--cyan); }
.page-contact .partner-aside {
  border: 1px solid var(--contact-line);
  padding: 22px 20px;
  background: rgba(22, 32, 74, 0.45);
  align-self: start;
}
.page-contact .aside-title {
  margin: 0 0 12px;
  font-size: var(--fs-20);
}
.page-contact .partner-aside p {
  margin: 0 0 18px;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.7);
}
.page-contact .partner-aside a:not(.btn) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

/* 06 来信 */
.page-contact .postal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .postal-card {
  border: 1px solid var(--contact-line-soft);
  padding: 20px 18px;
  font-style: normal;
}
.page-contact .postal-card--plain { background: rgba(5, 7, 15, 0.4); }
.page-contact .postal-card .mono-label {
  display: block;
  color: var(--rock);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.page-contact .postal-card .mono-label + .postal-value { margin-top: 0; }
.page-contact .postal-value {
  margin: 0 0 18px;
  font-family: var(--sans);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.5;
  color: var(--star);
}
.page-contact .postal-value.mono-value {
  font-family: var(--mono);
  font-size: var(--fs-16);
  font-weight: 400;
}
.page-contact .postal-card p {
  margin: 0 0 16px;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.68);
}
.page-contact .postal-card p:last-child { margin-bottom: 0; }

/* 收口 */
.page-contact .closing {
  border-top: 1px solid var(--contact-line);
}
.page-contact .closing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .closing-card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--contact-line-soft);
  padding: 18px 18px 20px;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}
.page-contact .closing-card:hover,
.page-contact .closing-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-cyan);
}
.page-contact .closing-card .mono-label {
  display: block;
  color: var(--clay);
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}
.page-contact .closing-title {
  display: block;
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--fs-20);
  color: var(--star);
  margin-bottom: 6px;
}
.page-contact .closing-desc {
  display: block;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.62);
}

.page-contact .copy-status {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 40;
  margin: 0;
}
.page-contact .contact-string { display: none; }

/* ============ 平板 ============ */
@media (min-width: 700px) {
  .page-contact .entry-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 34px;
    align-items: start;
  }
  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
  .page-contact .write-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-contact .write-cards .write-card:nth-child(2) { transform: translateY(18px); }
  .page-contact .write-cards .write-card:nth-child(2):hover { transform: translateY(16px); }
  .page-contact .postal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .closing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .partner-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 34px;
  }
  .page-contact .hero-hints { gap: 10px 40px; }
}

/* ============ 桌面 ============ */
@media (min-width: 1000px) {
  .page-contact .contact-hero {
    padding-top: 44px;
    padding-bottom: 64px;
  }
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 64px;
  }
  .page-contact .contact-body-grid {
    grid-template-columns: var(--contact-rail-w) minmax(0, 1fr);
    gap: var(--contact-gap);
    align-items: start;
  }
  .page-contact .path-rail {
    position: sticky;
    top: 120px;
  }
  .page-contact .block {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .page-contact .screen-mock { min-height: 320px; padding: 18px 18px 26px; }
  .page-contact .screen-col--rail { min-height: 170px; }
  .page-contact .postal-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1280px) {
  .page-contact .contact-body-grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 64px;
  }
  .page-contact .contact-hero-grid { gap: 88px; }
  .page-contact .partner-split { gap: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rail-dot-visual,
  .page-contact .rail-dot-visual::after {
    animation: none;
  }
  .page-contact .write-card,
  .page-contact .closing-card,
  .page-contact .flow-mark,
  .page-contact .rail-link {
    transition: none;
  }
  .page-contact .write-cards .write-card:nth-child(2) { transform: none; }
  .page-contact .write-cards .write-card:nth-child(2):hover { transform: none; }
}

.page-contact {
  --p: inherit;
}