/* =========================================================
   联系入口页 / contact
   作用域：.page-contact
   移动端优先，桌面端分屏增强
   ========================================================= */
.page-contact {
  background: var(--c-space);
  color: var(--c-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact__crumb {
  padding: 24px 20px 0;
  max-width: 1400px;
  margin: 0 auto;
}

.page-contact__crumb .crumb__list {
  font-size: 13px;
  letter-spacing: .04em;
}

/* ---------- 分屏主体 ---------- */
.page-contact__split {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 36px 20px 72px;
}

.page-contact__split::after {
  content: "";
  display: none;
}

/* ---------- 左侧信息列 ---------- */
.page-contact__info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 30px 20px 22px;
  background: linear-gradient(150deg, rgba(20, 44, 76, .6), rgba(11, 31, 58, .9) 60%);
  border: 1px solid rgba(255, 255, 255, .07);
  overflow: hidden;
}

.page-contact__texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact__texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  filter: grayscale(.2);
}

.page-contact__hero-copy,
.page-contact__cards {
  position: relative;
  z-index: 1;
}

.page-contact .sec-kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 10px;
}

.page-contact__hero-copy h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 30px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: .01em;
}

.page-contact__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 34em;
}

/* ---------- 联系卡片 ---------- */
.page-contact__cards {
  display: grid;
  gap: 14px;
}

.page-contact__card-duo {
  display: grid;
  gap: 14px;
}

.page-contact__card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 18px 18px;
  background: var(--c-ocean);
  border-left: 3px solid var(--c-accent);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform .25s ease, filter .25s ease;
}

.page-contact__card--mail {
  background: linear-gradient(135deg, var(--c-ocean), var(--c-ink));
  border-left-color: var(--c-gold);
}

.page-contact__card:hover,
.page-contact__card:focus-within {
  transform: translateX(4px);
  filter: brightness(1.08);
}

.page-contact__card-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: rgba(255, 107, 53, .1);
  color: var(--c-accent);
}

.page-contact__card--mail .page-contact__card-icon {
  background: rgba(255, 215, 0, .1);
  color: var(--c-gold);
}

.page-contact__card-icon svg {
  width: 21px;
  height: 21px;
}

.page-contact__card-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
}

.page-contact__card-label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-ash);
}

.page-contact__card-value {
  font-family: var(--font-data);
  font-size: 17px;
  line-height: 1.45;
  color: var(--c-white);
  text-decoration: none;
  word-break: break-word;
}

.page-contact__card--mail .page-contact__card-value {
  font-size: 19px;
  color: var(--c-gold);
}

.page-contact__card--address .page-contact__card-value {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--c-mist);
}

.page-contact__card-value:hover {
  color: var(--c-accent);
}

.page-contact__card-hint {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-ash);
  opacity: .72;
  transition: opacity .25s ease, color .25s ease;
}

.page-contact__card:hover .page-contact__card-hint,
.page-contact__card:focus-within .page-contact__card-hint {
  opacity: 1;
  color: var(--c-gold);
}

/* ---------- 右侧表单列 ---------- */
.page-contact__form-col {
  display: flex;
  flex-direction: column;
}

.page-contact__form-bird {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 0;
}

.page-contact__form-bird img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.page-contact__form-panel {
  position: relative;
  padding: 30px 22px 34px;
  background: var(--c-ocean);
  border: 1px solid rgba(255, 255, 255, .08);
  border-top: 0;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 24px;
  line-height: 1.3;
  font-weight: 700;
}

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

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

.page-contact__field {
  position: relative;
  display: grid;
  gap: 6px;
}

.page-contact__field label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-ash);
}

.page-contact__field input,
.page-contact__field select,
.page-contact__field textarea {
  width: 100%;
  padding: 10px 2px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
  border-radius: 0;
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color .25s ease, box-shadow .25s ease;
}

.page-contact__field textarea {
  resize: vertical;
  min-height: 86px;
}

.page-contact__field select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.page-contact__field--select::after {
  content: "⌄";
  position: absolute;
  right: 4px;
  bottom: 9px;
  font-size: 18px;
  line-height: 1;
  color: var(--c-accent);
  pointer-events: none;
}

.page-contact__field input::placeholder,
.page-contact__field textarea::placeholder {
  color: rgba(255, 255, 255, .3);
}

.page-contact__field input:focus,
.page-contact__field select:focus,
.page-contact__field textarea:focus {
  outline: none;
  border-bottom-color: var(--c-accent);
  box-shadow: 0 1px 0 var(--c-accent);
}

.page-contact__form-submit {
  justify-self: start;
}

.page-contact__form-note {
  margin: -6px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-ash);
}

.page-contact__form-extra {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-contact__form-extra a,
.page-contact__notice-item a {
  color: var(--c-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 来信提示区 ---------- */
.page-contact__notice {
  position: relative;
  padding: 64px 20px 68px;
  background: var(--c-ink);
}

.page-contact__notice::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent) 0%, rgba(255, 107, 53, .25) 40%, transparent 80%);
}

.page-contact__notice > .l-wrap {
  max-width: 1200px;
  margin: 0 auto;
}

.page-contact__notice-head {
  margin-bottom: 34px;
}

.page-contact__notice-head .sec-kicker {
  color: var(--c-gold);
}

.page-contact__subhead {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
  max-width: 30em;
}

.page-contact__notice-grid {
  display: grid;
  gap: 16px;
}

.page-contact__notice-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 16px;
  padding: 26px 22px;
  background: rgba(255, 255, 255, .045);
  border-left: 1px solid rgba(255, 255, 255, .12);
  transition: background .25s ease;
}

.page-contact__notice-item:hover {
  background: rgba(255, 255, 255, .07);
}

.page-contact__notice-icon {
  grid-row: 1 / 3;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  background: rgba(255, 107, 53, .12);
  color: var(--c-accent);
  border-radius: 50%;
}

.page-contact__notice-icon svg {
  width: 24px;
  height: 24px;
}

.page-contact__notice-item h3 {
  margin: 4px 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.4;
  color: var(--c-white);
}

.page-contact__notice-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-contact__h24 {
  font-family: var(--font-data);
  font-size: 23px;
  color: var(--c-gold);
}

/* ---------- 客服中心地址（地图占位） ---------- */
.page-contact__map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 64px 20px 84px;
  background: radial-gradient(circle at 12% 18%, rgba(255, 107, 53, .1), transparent 38%);
}

.page-contact__map-visual {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .09);
  background: var(--c-ocean);
}

.page-contact__map-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact__map-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-contact__map-info .sec-kicker {
  color: var(--c-gold);
}

.page-contact__map-address {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-gold);
  font-family: var(--font-data);
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-white);
}

.page-contact__map-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 36em;
}

.page-contact__map-stats {
  margin: 4px 0 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-accent);
}

.page-contact__map-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

/* ---------- 平板增强 ---------- */
@media (min-width: 700px) {
  .page-contact__card-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact__map {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
    gap: 48px;
    padding: 72px 28px 92px;
  }
}

/* ---------- 桌面端分屏 ---------- */
@media (min-width: 1024px) {
  .page-contact__split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    padding: 48px 32px 96px;
  }

  .page-contact__split::after {
    display: block;
    position: absolute;
    top: 10%;
    bottom: 12%;
    left: 52.4%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--c-accent) 25%, var(--c-accent) 75%, transparent);
    opacity: .5;
    pointer-events: none;
  }

  .page-contact__crumb {
    padding-top: 32px;
  }

  .page-contact__info {
    padding: 42px 38px 34px;
  }

  .page-contact__hero-copy h1 {
    font-size: 38px;
  }

  .page-contact__card--mail .page-contact__card-value {
    font-size: 23px;
  }

  .page-contact__form-panel {
    padding: 38px 36px 42px;
  }

  .page-contact__form-bird img {
    height: 220px;
  }

  .page-contact__notice {
    padding: 88px 28px 92px;
  }

  .page-contact__map-address {
    font-size: 19px;
  }
}