.page-contact {
  --ct-gap: clamp(20px, 3vw, 40px);
}

/* ---------- HERO ---------- */

.page-contact .contact-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(169, 123, 255, .16), transparent 62%),
    var(--abyss);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--ct-gap);
  padding-top: clamp(20px, 4vw, 46px);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -.01em;
  max-width: 18ch;
}

.page-contact .contact-hero__lede {
  margin: 16px 0 0;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-hero__side {
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
}

.page-contact .contact-hero__side-text {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 34ch;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, .85fr);
    align-items: end;
    gap: clamp(32px, 5vw, 76px);
  }

  .page-contact .contact-hero__side {
    padding-left: 24px;
  }
}

/* ---------- DESK : 联系信息 + 渠道卡片 ---------- */

.page-contact .contact-desk {
  background:
    linear-gradient(115deg, rgba(21, 15, 51, .9) 0%, rgba(4, 6, 13, 0) 54%),
    var(--abyss);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-desk__grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
}

.page-contact .contact-desk__h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.12;
  letter-spacing: -.005em;
}

@media (min-width: 900px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 84px);
  }

  .page-contact .contact-desk__aside {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    align-self: start;
  }
}

/* 联系信息 */

.page-contact .id-block {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .id-item {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-contact .id-item__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--purple);
}

.page-contact .id-item__val {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.6vw, 21px);
  line-height: 1.42;
  letter-spacing: .02em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .id-item--addr .id-item__val {
  font-size: clamp(13px, 2.8vw, 15px);
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .id-item__hint {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .copyable {
  user-select: all;
  -webkit-user-select: all;
  cursor: text;
  border-bottom: 1px dashed rgba(55, 232, 211, .45);
}

.page-contact .copyable:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

/* 渠道卡片 */

.page-contact .channel-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .channel {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
  overflow: hidden;
  transition: border-color .2s var(--ease);
}

.page-contact .channel--jade {
  background: linear-gradient(180deg, rgba(12, 42, 42, .88), rgba(11, 18, 36, .92));
}

.page-contact .channel--wine {
  background: linear-gradient(180deg, rgba(43, 13, 26, .88), rgba(11, 18, 36, .92));
}

.page-contact .channel--violet {
  background: linear-gradient(180deg, rgba(21, 15, 51, .92), rgba(11, 18, 36, .92));
}

.page-contact .channel[open] {
  border-color: rgba(55, 232, 211, .45);
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease);
}

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

.page-contact .channel__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .channel__name {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.2;
  color: var(--ink);
  transition: color .2s var(--ease);
}

.page-contact .channel__head:hover .channel__name {
  color: var(--cyan);
}

.page-contact .channel__mark {
  flex: none;
  width: 9px;
  height: 9px;
  margin-right: 4px;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .2s var(--ease);
}

.page-contact .channel[open] .channel__mark {
  transform: rotate(-135deg);
}

.page-contact .channel__body {
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line);
}

.page-contact .channel__body p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .channel__body p.channel__route {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  line-height: 1.7;
  color: var(--cyan);
}

/* ---------- 服务时段 ---------- */

.page-contact .contact-hours {
  background: linear-gradient(170deg, #07121a, var(--abyss) 68%);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hours__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-hours h2,
.page-contact .contact-coop h2,
.page-contact .contact-brief h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.12;
  letter-spacing: -.005em;
}

.page-contact .contact-hours__text p {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-hours__text p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 232, 211, .35);
}

.page-contact .contact-hours__text .btn {
  margin-top: 20px;
}

.page-contact .contact-hours__figure {
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
    gap: clamp(32px, 5vw, 76px);
  }
}

/* 时间轴刻度 */

.page-contact .slot-list {
  list-style: none;
  margin: clamp(32px, 5vw, 58px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .slot {
  position: relative;
  padding: 24px 0 16px;
}

.page-contact .slot + .slot {
  border-top: 1px solid var(--line);
}

.page-contact .slot::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(55, 232, 211, .14);
}

.page-contact .slot__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .slot__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--purple);
}

.page-contact .slot__text {
  margin: 8px 0 0;
  max-width: 32ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-contact .slot-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .slot {
    padding: 28px 22px 12px;
  }

  .page-contact .slot + .slot {
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

/* ---------- 合作流程 ---------- */

.page-contact .contact-coop {
  background:
    linear-gradient(200deg, rgba(21, 15, 51, .95), rgba(4, 6, 13, .55) 72%),
    var(--abyss);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-coop__head p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .coop-steps {
  list-style: none;
  margin: clamp(28px, 4vw, 50px) 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-contact .coop-step {
  position: relative;
  border-top: 2px solid var(--line);
  padding-top: 18px;
}

.page-contact .coop-step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--purple);
}

.page-contact .coop-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--purple);
}

.page-contact .coop-step__title {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

.page-contact .coop-step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .contact-coop__foot {
  margin: clamp(26px, 3.5vw, 42px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-contact .coop-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 40px;
  }
}

@media (min-width: 1080px) {
  .page-contact .coop-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 反馈清单 ---------- */

.page-contact .contact-brief {
  background: var(--abyss);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-brief__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-brief__head p {
  margin: 14px 0 0;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-brief__head .btn {
  margin-top: 20px;
}

@media (min-width: 900px) {
  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 88px);
  }
}

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

.page-contact .brief-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .brief-list__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .brief-list__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  opacity: .9;
}

.page-contact .brief-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .brief-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 232, 211, .35);
}

/* ---------- 底部坐标信息条 ---------- */

.page-contact .contact-coord {
  padding-bottom: 0;
  background: var(--abyss);
}

.page-contact .contact-coord__figure {
  margin: 0;
}

.page-contact .coord-bar {
  position: relative;
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(12, 42, 42, .6), rgba(21, 15, 51, .6) 55%, rgba(43, 13, 26, .55));
  overflow: hidden;
}

.page-contact .coord-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 72px);
  opacity: .55;
  pointer-events: none;
}

.page-contact .coord-bar__inner {
  position: relative;
  display: grid;
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.page-contact .coord-bar__item {
  display: block;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-contact .coord-bar__item:nth-child(1) {
  border-left-color: var(--cyan);
}

.page-contact .coord-bar__item:nth-child(2) {
  border-left-color: var(--purple);
}

.page-contact .coord-bar__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .coord-bar__val {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.62;
  letter-spacing: .01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

@media (min-width: 900px) {
  .page-contact .coord-bar__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) minmax(0, 3fr);
    align-items: center;
    gap: 32px;
  }
}