/* ==========================================================
   CONTACT PAGE — 联系通道
   Scope: .page-contact only
   ========================================================== */
.page-contact {
  --contact-gap: clamp(18px, 3vw, 34px);
  background-color: var(--c-dark);
  background-image:
    radial-gradient(ellipse at 15% 8%, rgba(0, 255, 136, 0.09) 0%, transparent 42%),
    radial-gradient(ellipse at 85% 48%, rgba(255, 106, 0, 0.07) 0%, transparent 44%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: auto, auto, 36px 36px, 36px 36px;
  color: var(--c-light);
  overflow-x: hidden;
}

/* ---------- 首屏封面 ---------- */
.page-contact .contact-cover {
  position: relative;
  min-height: clamp(480px, 76vh, 660px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--c-dark);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-contact .contact-cover__media,
.page-contact .contact-cover__img,
.page-contact .contact-cover__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-contact .contact-cover__media {
  z-index: 1;
}

.page-contact .contact-cover__img {
  object-fit: cover;
  opacity: 0.36;
  filter: saturate(0.82) contrast(1.16);
}

.page-contact .contact-cover__overlay {
  z-index: 2;
  background: linear-gradient(115deg, rgba(14, 23, 38, 0.97) 0%, rgba(26, 46, 69, 0.84) 42%, rgba(36, 59, 85, 0.44) 100%);
}

.page-contact .contact-cover__body {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-top: clamp(48px, 8vw, 96px);
  padding-bottom: 18px;
}

.page-contact .contact-cover__title {
  margin: 22px 0 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 8vw, 86px);
  line-height: 0.94;
  letter-spacing: 0.02em;
  color: var(--c-light);
  text-transform: uppercase;
  transform: skewX(-4deg);
  transform-origin: left center;
}

.page-contact .contact-cover__subtitle {
  display: inline-block;
  margin: 12px 0 0;
  padding-bottom: 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 30px);
  letter-spacing: 0.08em;
  color: var(--c-accent);
  border-bottom: 3px solid var(--c-accent-2);
}

.page-contact .contact-cover__desc {
  max-width: 56ch;
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-contact .contact-cover__stats {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(10px, 2vw, 18px);
  width: 100%;
  padding-top: 26px;
  padding-bottom: clamp(24px, 5vw, 52px);
}

.page-contact .cover-stat {
  flex: 1 1 120px;
  padding: 14px 18px;
  background: rgba(14, 23, 38, 0.74);
  border-left: 3px solid var(--c-accent);
  border-top: 1px solid rgba(0, 255, 136, 0.22);
  backdrop-filter: blur(6px);
  transition: background var(--transition), border-color var(--transition);
}

.page-contact .cover-stat:nth-child(2) {
  border-left-color: var(--c-accent-2);
  border-top-color: rgba(255, 106, 0, 0.28);
}

.page-contact .cover-stat:nth-child(3) {
  border-left-color: var(--c-olive);
}

.page-contact .cover-stat:nth-child(2):hover {
  background: rgba(255, 106, 0, 0.1);
}

.page-contact .cover-stat:nth-child(3):hover {
  background: rgba(138, 154, 91, 0.12);
}

.page-contact .cover-stat__label {
  display: block;
  font-family: var(--font-data);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-gray);
  margin-bottom: 5px;
}

.page-contact .cover-stat__value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1;
  color: var(--c-light);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  position: relative;
  padding: clamp(56px, 9vw, 110px) 0 clamp(30px, 5vw, 60px);
}

.page-contact .contact-channels__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 680px;
  margin-bottom: clamp(36px, 6vw, 64px);
}

.page-contact .section-tag {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-accent);
  border: 1px solid rgba(0, 255, 136, 0.25);
  background: rgba(0, 255, 136, 0.06);
  padding: 6px 12px;
  transform: skewX(-8deg);
}

.page-contact .contact-channels__title,
.page-contact .contact-schedule__title,
.page-contact .contact-prep__title,
.page-contact .contact-routes__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
  margin: 0;
  color: var(--c-light);
  text-transform: uppercase;
}

.page-contact .contact-channels__title .accent-text,
.page-contact .contact-schedule__title .accent-text,
.page-contact .contact-prep__title .accent-text,
.page-contact .contact-routes__title .accent-text {
  color: var(--c-accent);
  padding-left: 4px;
}

.page-contact .contact-channels__intro {
  max-width: 58ch;
  color: var(--c-gray);
  line-height: 1.7;
  font-size: 14px;
  margin: 4px 0 0;
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: stretch;
}

.page-contact .contact-channel-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px 22px;
  background: linear-gradient(135deg, rgba(36, 59, 85, 0.88) 0%, rgba(14, 23, 38, 0.92) 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--c-accent);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.page-contact .contact-card:hover {
  border-color: rgba(0, 255, 136, 0.55);
  transform: translateX(6px);
  box-shadow: 0 12px 32px rgba(0, 255, 136, 0.08);
}

.page-contact .contact-card--hot {
  border-left-color: var(--c-accent-2);
}

.page-contact .contact-card--hot:hover {
  border-color: rgba(255, 106, 0, 0.55);
  box-shadow: 0 12px 32px rgba(255, 106, 0, 0.08);
}

.page-contact .contact-card__icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: rgba(0, 255, 136, 0.1);
  color: var(--c-accent);
  border-radius: var(--radius);
  transform: skewX(-6deg);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.page-contact .contact-card--hot .contact-card__icon {
  background: rgba(255, 106, 0, 0.12);
  color: var(--c-accent-2);
}

.page-contact .contact-card:hover .contact-card__icon {
  background: rgba(0, 255, 136, 0.22);
  color: var(--c-light);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.2);
}

.page-contact .contact-card--hot:hover .contact-card__icon {
  background: rgba(255, 106, 0, 0.22);
  box-shadow: 0 0 18px rgba(255, 106, 0, 0.2);
}

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

.page-contact .contact-card__label {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray);
}

.page-contact .contact-card__primary {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.4;
  color: var(--c-light);
  word-break: break-all;
}

.page-contact .contact-card__secondary {
  margin: 6px 0 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-gray);
  word-break: break-all;
}

.page-contact .contact-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-gray);
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  padding-top: 10px;
}

/* ---------- 抽象地图 ---------- */
.page-contact .contact-map {
  position: relative;
  min-height: 320px;
}

.page-contact .contact-map__frame {
  position: relative;
  height: 100%;
  min-height: 320px;
  overflow: hidden;
  background: var(--c-card);
  border: 1px solid rgba(0, 255, 136, 0.14);
  border-radius: var(--radius);
  box-shadow: inset 0 0 44px rgba(0, 0, 0, 0.35);
}

.page-contact .contact-map__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.78;
  transition: transform 0.4s ease;
}

.page-contact .contact-map:hover .contact-map__img {
  transform: scale(1.03);
}

.page-contact .contact-map__grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-contact .contact-map__pin {
  position: absolute;
  left: 46%;
  top: 38%;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: rgba(255, 106, 0, 0.16);
  border-radius: 50%;
  color: var(--c-accent-2);
  transform: translate(-50%, -50%);
  transition: box-shadow var(--transition), transform var(--transition);
}

.page-contact .contact-map__pin::after {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 106, 0, 0.5);
  animation: contactPulse 3s ease-in-out infinite;
}

.page-contact .contact-map:hover .contact-map__pin {
  box-shadow: 0 0 0 8px rgba(255, 106, 0, 0.14), 0 0 24px rgba(255, 106, 0, 0.4);
  transform: translate(-50%, -50%) scale(1.08);
}

@keyframes contactPulse {
  0%, 100% { opacity: 0.45; transform: scale(0.96); }
  50% { opacity: 0.9; transform: scale(1.05); }
}

.page-contact .contact-map__badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  background: rgba(14, 23, 38, 0.84);
  border-left: 3px solid var(--c-accent);
  backdrop-filter: blur(6px);
  transition: background var(--transition), border-color var(--transition);
}

.page-contact .contact-map:hover .contact-map__badge {
  border-left-color: var(--c-accent-2);
  background: rgba(14, 23, 38, 0.92);
}

.page-contact .contact-map__badge-label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-contact .contact-map__badge-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-light);
}

.page-contact .contact-map__scanline {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  z-index: 3;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.55), transparent);
  animation: contactScan 4s linear infinite;
  pointer-events: none;
}

@keyframes contactScan {
  0% { top: 0; opacity: 0.6; }
  50% { top: 100%; opacity: 1; }
  100% { top: 0; opacity: 0.6; }
}

.page-contact .contact-map__coords {
  position: absolute;
  right: 14px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 3;
  text-align: right;
  font-family: var(--font-data);
  font-size: 11px;
  color: rgba(242, 245, 240, 0.55);
  pointer-events: none;
}

/* ---------- 工作与支持时间 ---------- */
.page-contact .contact-schedule {
  position: relative;
  padding: clamp(56px, 9vw, 110px) 0;
  margin: 14px 0;
  background: rgba(26, 46, 69, 0.34);
  border-top: 1px solid rgba(0, 255, 136, 0.1);
  border-bottom: 1px solid rgba(255, 106, 0, 0.14);
  clip-path: polygon(0 24px, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-contact .contact-schedule__grid {
  display: grid;
  gap: clamp(24px, 5vw, 64px);
  grid-template-columns: 1fr;
}

.page-contact .contact-schedule__intro {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-contact .contact-schedule__desc {
  color: var(--c-gray);
  line-height: 1.8;
  font-size: 14px;
  max-width: 52ch;
  margin: 0;
}

.page-contact .schedule-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
}

.page-contact .schedule-timeline::before {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-accent) 0%, var(--c-accent-2) 55%, rgba(255, 255, 255, 0.16) 100%);
  transform: skewX(-6deg);
}

.page-contact .schedule-item {
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition);
}

.page-contact .schedule-item:last-child {
  border-bottom: 0;
}

.page-contact .schedule-item:hover {
  background: rgba(0, 255, 136, 0.04);
}

.page-contact .schedule-item__trigger {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 18px 0 18px 8px;
  margin: 0;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .schedule-item__marker {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--c-dark);
  border: 3px solid var(--c-accent);
  box-sizing: border-box;
  z-index: 2;
  transition: box-shadow var(--transition), transform var(--transition);
}

.page-contact .schedule-item:hover .schedule-item__marker {
  box-shadow: 0 0 0 6px rgba(0, 255, 136, 0.14);
  transform: scale(1.1);
}

.page-contact .schedule-item--hot .schedule-item__marker {
  border-color: var(--c-accent-2);
}

.page-contact .schedule-item__content {
  flex: 1;
  min-width: 0;
}

.page-contact .schedule-item__label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-light);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.page-contact .schedule-item__time {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  color: var(--c-accent);
  margin-right: 10px;
  letter-spacing: 0.04em;
}

.page-contact .schedule-item--hot .schedule-item__time {
  color: var(--c-accent-2);
}

.page-contact .schedule-item__badge {
  display: inline-block;
  padding: 3px 8px;
  background: rgba(255, 106, 0, 0.18);
  border: 1px solid rgba(255, 106, 0, 0.4);
  color: var(--c-accent-2);
  font-size: 12px;
  font-weight: 600;
  border-radius: 3px;
  vertical-align: middle;
  margin-right: 4px;
}

.page-contact .schedule-item__desc {
  display: block;
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--c-gray);
  line-height: 1.6;
}

.page-contact .schedule-item__toggle {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  font-family: var(--font-data);
  font-size: 20px;
  text-align: center;
  color: var(--c-accent-2);
  border: 1px dashed rgba(255, 106, 0, 0.45);
  background: rgba(255, 106, 0, 0.04);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.page-contact .schedule-item[open] .schedule-item__toggle {
  transform: rotate(45deg);
  background: rgba(255, 106, 0, 0.12);
  color: var(--c-light);
}

.page-contact .schedule-item__detail {
  margin: 0 0 18px 44px;
  padding: 12px 18px;
  background: rgba(14, 23, 38, 0.72);
  border-left: 3px solid var(--c-accent-2);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-contact .schedule-item__detail p {
  margin: 0;
}

/* ---------- 联系前准备 ---------- */
.page-contact .contact-prep {
  position: relative;
  padding: clamp(56px, 9vw, 110px) 0;
}

.page-contact .contact-prep__head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: clamp(36px, 6vw, 60px);
}

.page-contact .contact-prep__intro {
  color: var(--c-gray);
  font-size: 14px;
  margin: 0;
}

.page-contact .contact-prep__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .contact-prep__step {
  position: relative;
  display: flex;
  gap: 22px;
  align-items: flex-start;
  padding: 26px 24px;
  background: rgba(26, 46, 69, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-top: 2px solid var(--c-accent);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.page-contact .contact-prep__step:hover {
  background: rgba(36, 59, 85, 0.74);
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.26);
}

.page-contact .contact-prep__num {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 68px);
  line-height: 0.8;
  color: var(--c-accent);
  text-shadow: 0 0 18px rgba(0, 255, 136, 0.3);
  transform: skewX(-8deg);
}

.page-contact .contact-prep__body {
  flex: 1;
}

.page-contact .contact-prep__step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-light);
  margin-bottom: 8px;
}

.page-contact .contact-prep__body p {
  color: var(--c-gray);
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}

/* ---------- 更多支持路径 ---------- */
.page-contact .contact-routes {
  position: relative;
  padding: clamp(32px, 6vw, 80px) 0;
}

.page-contact .contact-routes__head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.page-contact .contact-routes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .route-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 20px;
  background: rgba(14, 23, 38, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-right: 3px solid var(--c-accent);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.page-contact .route-card:hover {
  background: rgba(0, 255, 136, 0.08);
  border-right-color: var(--c-accent-2);
  transform: translateX(-6px);
}

.page-contact .route-card__index {
  flex: 0 0 56px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-accent);
  letter-spacing: 0.06em;
}

.page-contact .route-card__body {
  flex: 1;
  min-width: 0;
}

.page-contact .route-card__title {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-light);
  margin-bottom: 6px;
}

.page-contact .route-card__desc {
  display: block;
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-gray);
}

.page-contact .route-card__arrow {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: rgba(0, 255, 136, 0.12);
  border-radius: 50%;
  font-size: 18px;
  color: var(--c-accent);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.page-contact .route-card:hover .route-card__arrow {
  background: rgba(0, 255, 136, 0.26);
  color: var(--c-light);
  transform: translateX(4px);
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 48px);
  }

  .page-contact .contact-schedule__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 5vw, 64px);
  }

  .page-contact .contact-prep__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .contact-prep__step:nth-child(2) {
    transform: translateY(24px);
  }

  .page-contact .contact-prep__step:nth-child(3) {
    transform: translateY(48px);
  }

  .page-contact .contact-prep__step:nth-child(2):hover,
  .page-contact .contact-prep__step:nth-child(3):hover {
    transform: translateY(calc(0px)) translateY(4px);
  }

  .page-contact .contact-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-cover__stats {
    padding-top: 32px;
  }

  .page-contact .contact-map__frame {
    min-height: 100%;
  }
}