.page-contact {
  --ct-line: rgba(127, 212, 240, .45);
  --ct-line-soft: rgba(199, 211, 221, .18);
  --ct-card: rgba(13, 33, 56, .94);
  background: var(--night);
  color: var(--cream);
  overflow-x: clip;
}

.page-contact .contact-crumb-row {
  padding-top: 22px;
  padding-bottom: 2px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: 24px 0 46px;
  background:
    radial-gradient(120% 130% at 6% 0%, rgba(255, 106, 43, .18), transparent 58%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
  border-bottom: 1px solid var(--stroke);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "CONTACT";
  position: absolute;
  right: -10px;
  top: 6px;
  font-family: var(--font-display);
  font-size: clamp(66px, 19vw, 172px);
  font-weight: 600;
  line-height: .82;
  letter-spacing: .04em;
  color: rgba(242, 245, 247, .05);
  pointer-events: none;
  user-select: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(33px, 8.6vw, 66px);
  line-height: 1.06;
  letter-spacing: .01em;
}

.page-contact .contact-hero .lede {
  margin-top: 18px;
  max-width: 34em;
  color: var(--mist);
}

.page-contact .contact-hero__card {
  padding: 24px 24px 28px;
  border: 1px solid rgba(242, 245, 247, .12);
}

.page-contact .contact-hero__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .contact-hero__big {
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(34px, 9vw, 50px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--orange);
}

.page-contact .contact-hero__note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 左右分屏主体 ---------- */

.page-contact .contact-body {
  display: grid;
  gap: 52px;
  padding-top: 46px;
  padding-bottom: 6px;
}

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

.page-contact .contact-block + .contact-block {
  margin-top: 58px;
}

.page-contact .contact-block__head {
  max-width: 640px;
}

.page-contact .contact-block__head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 6vw, 36px);
  line-height: 1.16;
}

.page-contact .contact-block__head .prose {
  margin-top: 16px;
}

.page-contact .contact-block .prose {
  color: var(--mist);
}

/* 右侧贯穿细线 */

.page-contact .contact-body__rail {
  position: relative;
  min-width: 0;
  padding-left: 0;
}

.page-contact .rail-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 5.4vw, 26px);
  line-height: 1.2;
}

.page-contact .rail-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .rail-step {
  position: relative;
  padding: 0 0 20px 18px;
}

.page-contact .rail-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--yellow);
}

.page-contact .rail-step__t {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--cream);
}

.page-contact .rail-step__d {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .rail-note {
  margin: 4px 0 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--yellow);
  border: 1px solid rgba(255, 210, 74, .32);
  background: rgba(255, 210, 74, .06);
}

/* ---------- 渠道卡片 ---------- */

.page-contact .channel-stack {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .channel {
  padding: 24px 22px 26px;
  border: 1px solid var(--stroke);
  background: var(--ct-card);
}

.page-contact .channel--mail {
  border-left: 3px solid var(--orange);
}

.page-contact .channel--phone {
  border-left: 3px solid var(--ice);
}

.page-contact .channel--post {
  border-left: 3px solid var(--yellow);
}

.page-contact .channel__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-contact .channel__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 5.4vw, 24px);
  line-height: 1.2;
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.2vw, 19px);
  line-height: 1.6;
  color: var(--cream);
  word-break: break-all;
}

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

.page-contact .channel__more {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-line-soft);
}

.page-contact .channel__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--ice);
}

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

.page-contact .channel__more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--orange);
}

.page-contact .channel__more[open] summary::before {
  content: "–";
}

.page-contact .channel__more ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 邮件说明 ---------- */

.page-contact .mail-grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-contact .mail-subject {
  margin-top: 22px;
  padding: 15px 16px 17px;
  background: rgba(36, 28, 76, .72);
  border: 1px solid rgba(127, 212, 240, .28);
  border-left: 3px solid var(--orange);
}

.page-contact .mail-subject__label {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-contact .mail-subject__code {
  display: block;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.7vw, 16px);
  line-height: 1.65;
  color: var(--yellow);
  word-break: break-all;
}

.page-contact .mail-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .mail-points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .mail-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--ice);
}

.page-contact .mail-points strong {
  color: var(--cream);
  font-weight: 600;
}

.page-contact .mail-figure {
  margin: 0;
}

/* ---------- 回复时段刻度 ---------- */

.page-contact .hours-track {
  margin-top: 26px;
  padding: 6px 0 4px;
}

.page-contact .hours-track__bar {
  position: relative;
  height: 8px;
  background: rgba(22, 50, 79, .9);
  border: 1px solid var(--stroke);
}

.page-contact .hours-track__span {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  background: linear-gradient(90deg, var(--grass), var(--ice));
  opacity: .85;
}

.page-contact .hours-track__ticks {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .hours-tick {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .hours-tick:last-child {
  text-align: right;
}

.page-contact .hours-tick b {
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 19px);
  font-weight: 600;
  color: var(--yellow);
}

.page-contact .hours-tick span {
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 合作 ---------- */

.page-contact .partner-grid {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .partner-card {
  padding: 24px 22px 26px;
  border: 1px solid var(--stroke);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 5vw, 22px);
  line-height: 1.25;
}

.page-contact .partner-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 场景对照 ---------- */

.page-contact .scene-table {
  width: 100%;
  margin-top: 26px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-contact .scene-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-contact .scene-table th,
.page-contact .scene-table td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid var(--stroke);
  vertical-align: top;
  line-height: 1.7;
}

.page-contact .scene-table thead th {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
  border-bottom: 1px solid rgba(127, 212, 240, .4);
}

.page-contact .scene-table tbody td:first-child {
  color: var(--cream);
}

.page-contact .scene-table tbody td:nth-child(2) {
  color: var(--ice);
}

.page-contact .scene-table tbody td:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .scene-tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .scene-tail a {
  color: var(--yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收束区 ---------- */

.page-contact .contact-foot {
  position: relative;
  margin-top: 74px;
  background: var(--teal);
  border-top: 1px solid var(--stroke);
  overflow: hidden;
}

.page-contact .contact-foot__media {
  position: relative;
  line-height: 0;
}

.page-contact .contact-foot__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  opacity: .42;
}

.page-contact .contact-foot__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 59, 62, .35) 0%, rgba(14, 59, 62, .96) 82%, var(--teal) 100%);
}

.page-contact .contact-foot__inner {
  position: relative;
  z-index: 1;
  padding-top: 30px;
  padding-bottom: 46px;
}

.page-contact .contact-foot__inner h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 6vw, 34px);
  line-height: 1.16;
}

.page-contact .contact-foot__addr {
  display: grid;
  gap: 6px;
  margin: 20px 0 0;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.3vw, 22px);
  line-height: 1.75;
  color: var(--cream);
  word-break: break-all;
}

.page-contact .contact-foot__note {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-foot__icp {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .channel-stack {
    gap: 20px;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 40px 0 60px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 48px;
    align-items: end;
  }

  .page-contact .contact-block + .contact-block {
    margin-top: 76px;
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 38px;
    align-items: start;
  }

  .page-contact .hours-track__ticks {
    gap: 24px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 48px;
    padding-top: 62px;
  }

  .page-contact .contact-body__rail {
    padding-left: 6px;
  }

  .page-contact .contact-body__rail::before {
    content: "";
    position: absolute;
    left: 8px;
    top: -78px;
    bottom: -58px;
    width: 1px;
    background: linear-gradient(180deg, rgba(127, 212, 240, .82), rgba(127, 212, 240, .06));
  }

  .page-contact .rail-list {
    padding-left: 30px;
  }

  .page-contact .rail-step {
    padding-left: 0;
  }

  .page-contact .rail-step::before {
    left: -24px;
  }

  .page-contact .rail-note {
    margin-left: 30px;
  }

  .page-contact .channel--mail {
    margin-right: 9%;
  }

  .page-contact .channel--phone {
    margin-left: 7%;
    margin-right: 3%;
  }

  .page-contact .channel--post {
    margin-left: 13%;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-foot__inner {
    padding-top: 36px;
    padding-bottom: 56px;
  }
}

@media (max-width: 719px) {
  .page-contact .scene-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .page-contact .scene-table tbody tr {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--stroke);
  }

  .page-contact .scene-table td {
    display: block;
    padding: 3px 0;
    border: 0;
  }

  .page-contact .scene-table td::before {
    content: attr(data-label);
    display: inline-block;
    min-width: 3.6em;
    margin-right: 8px;
    font-size: 12px;
    letter-spacing: .1em;
    color: var(--mist);
  }

  .page-contact .scene-table tbody td:last-child {
    font-size: 13px;
  }
}