.page-contact {
  --pc-band: var(--blue);
  --pc-shadow: 0 18px 50px rgba(5, 7, 12, .55);
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 26px);
  font-size: 13px;
  color: var(--muted);
}

.page-contact .breadcrumb .link {
  color: var(--muted);
}

/* 首屏 */
.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(24px, 5vw, 44px);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 38px);
  align-items: end;
}

.page-contact .contact-hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-cn);
  font-weight: 300;
  font-size: clamp(29px, 5.2vw, 54px);
  line-height: 1.12;
  letter-spacing: .005em;
  color: var(--text);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-contact .contact-hero__copy .lead {
  max-width: 34em;
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(47, 123, 255, .24), transparent 55%, rgba(35, 230, 208, .16));
  pointer-events: none;
}

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

/* 三条通道 */
.page-contact .contact-channels {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pc-band);
}

.page-contact .channel--magenta { --pc-band: var(--magenta); }
.page-contact .channel--amber { --pc-band: var(--amber); }
.page-contact .channel--cyan { --pc-band: var(--cyan); }

.page-contact .channel__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-contact .channel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .channel .tag {
  align-self: flex-start;
}

.page-contact .channel__foot {
  margin-top: auto;
  padding-top: 6px;
}

.page-contact .channel__foot .btn {
  width: 100%;
  justify-content: center;
}

/* 材料清单 */
.page-contact .checklist {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 17px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .checklist__item:has(.checklist__box:checked) {
  border-color: rgba(35, 230, 208, .5);
  background: rgba(22, 38, 58, .55);
}

.page-contact .checklist__box {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  position: relative;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--ink);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .checklist__box:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .checklist__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .checklist__box:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-contact .checklist__body {
  display: block;
  cursor: pointer;
}

.page-contact .checklist__label {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}

.page-contact .checklist__hint {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 处理流程 */
.page-contact .receipt {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

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

.page-contact .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .steps__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .steps__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--blue);
  padding-top: 2px;
}

.page-contact .steps__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 34em;
}

.page-contact .receipt__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

/* 联系方式 */
.page-contact .contact-card {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 3vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(47, 123, 255, .12), transparent 62%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
}

.page-contact .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 13px 20px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(22, 38, 58, .45);
}

.page-contact .contact-row--stack {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  border-radius: var(--r-md);
}

.page-contact .contact-row__key {
  flex: 0 0 auto;
  min-width: 68px;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-row__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-row__val.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.page-contact .contact-card__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46em;
}

/* 名单快车道 */
.page-contact .roster-fast__inner {
  padding: clamp(22px, 4vw, 40px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(35, 230, 208, .13), transparent 58%),
    radial-gradient(90% 120% at 0% 100%, rgba(47, 123, 255, .1), transparent 60%),
    var(--panel);
}

.page-contact .roster-fast__title {
  margin: 14px 0 16px;
  font-family: var(--font-cn);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  color: var(--text);
}

.page-contact .roster-fast__points {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .roster-fast__points li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .roster-fast__points li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(35, 230, 208, .16);
}

/* 桌面端 */
@media (min-width: 760px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .checklist__item--wide {
    grid-column: 1 / -1;
  }

  .page-contact .roster-fast__points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .channel:hover {
    border-color: var(--pc-band);
    transform: translateY(-3px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-contact .receipt {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  }

  .page-contact .steps__item {
    padding: 22px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .checklist__box,
  .page-contact .checklist__item {
    transition: none;
  }

  .page-contact .channel:hover {
    transform: none;
  }
}