.page-contact {
  --ct-red: #E62E3A;
  --ct-red-deep: #B71C24;
  --ct-graphite: #16171A;
  --ct-panel: #232529;
  --ct-line: #3A3D42;
  --ct-muted: #6B7076;
  --ct-lime: #B8FF29;
  --ct-light: #F4F5F7;
  --ct-white: #FFFFFF;
  background: var(--ct-white);
  font-family: var(--font-body);
}

/* ===== 面包屑 ===== */
.page-contact .breadcrumb {
  padding-top: 24px;
}

/* ===== 首屏 Hero ===== */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ct-graphite);
  color: var(--ct-white);
  padding: 56px 0 48px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, transparent 58%, rgba(230, 46, 58, 0.22) 58.2%, rgba(183, 28, 36, 0.5) 70%, transparent 70.2%),
    linear-gradient(168deg, transparent 76%, rgba(230, 46, 58, 0.16) 76.2%, transparent 82%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 255, 41, 0.22) 0%, transparent 62%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}

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

.page-contact .contact-hero .section-head__kicker {
  color: var(--ct-lime);
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  transform: skewX(-2deg);
}

.page-contact .contact-hero__lead {
  max-width: 620px;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
}

.page-contact .contact-hero__side {
  display: none;
  flex-shrink: 0;
  text-align: right;
}

/* ===== 主体工作区 ===== */
.page-contact .contact-workspace {
  padding: 44px 0 80px;
}

.page-contact .contact-workspace__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .contact-workspace__heading {
  position: relative;
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--ct-graphite);
  margin: 0 0 28px;
  padding-left: 16px;
}

.page-contact .contact-workspace__heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.12em;
  bottom: 0.12em;
  width: 5px;
  border-radius: 99px;
  background: var(--ct-red);
}

/* ===== 联系卡片 ===== */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  background: var(--ct-light);
  border: 1px solid #E7E9ED;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  margin-bottom: 20px;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100px;
  height: 100px;
  background:
    linear-gradient(135deg, transparent 0 42%, rgba(230, 46, 58, 0.07) 43%, rgba(230, 46, 58, 0.13) 56%, transparent 57%),
    linear-gradient(135deg, transparent 0 62%, rgba(230, 46, 58, 0.05) 63%, transparent 74%);
  pointer-events: none;
}

.page-contact .contact-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .contact-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--ct-red);
  color: var(--ct-white);
  border-radius: 10px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 800;
}

.page-contact .contact-card__tag {
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ct-muted);
}

.page-contact .contact-card h3 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 800;
  color: var(--ct-graphite);
  margin: 0 0 10px;
}

.page-contact .contact-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #454A50;
}

/* ===== 邮箱按钮 ===== */
.page-contact .contact-mail-row {
  margin-top: 20px;
}

.page-contact .contact-mail-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px 13px 22px;
  background: var(--ct-graphite);
  color: var(--ct-white);
  border-radius: 4px 16px 4px 16px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background var(--ts), transform var(--ts);
}

.page-contact .contact-mail-btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.page-contact .contact-mail-btn:hover,
.page-contact .contact-mail-btn:focus {
  background: var(--ct-red);
  transform: translateX(3px);
}

.page-contact .contact-mail-btn--ghost {
  background: var(--ct-red);
}

.page-contact .contact-mail-btn--ghost:hover,
.page-contact .contact-mail-btn--ghost:focus {
  background: var(--ct-red-deep);
  transform: translateX(3px);
}

/* ===== 卡片说明 ===== */
.page-contact .contact-card__note {
  margin-top: 14px !important;
  font-size: 13px !important;
  color: var(--ct-muted) !important;
  border-left: 3px solid var(--ct-red);
  background: rgba(230, 46, 58, 0.04);
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ===== 联系方式明细 ===== */
.page-contact .contact-detail-list {
  list-style: none;
  margin: 16px 0 12px;
  padding: 0;
  border-top: 1px dashed #D4D7DB;
}

.page-contact .contact-detail-list__item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed #D4D7DB;
}

.page-contact .contact-detail-list__label {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--ct-muted);
}

.page-contact .contact-detail-list__value {
  font-size: 15px;
  font-weight: 600;
  color: var(--ct-graphite);
  text-align: right;
}

.page-contact .contact-detail-list__link {
  color: var(--ct-graphite);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 23, 26, 0.22);
  transition: border-color var(--ts), color var(--ts);
}

.page-contact .contact-detail-list__link:hover,
.page-contact .contact-detail-list__link:focus {
  border-color: var(--ct-red);
  color: var(--ct-red);
}

.page-contact .contact-card__addr-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ct-muted);
  border-left: 3px solid var(--ct-red);
  background: rgba(230, 46, 58, 0.04);
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ===== 备案卡片 ===== */
.page-contact .contact-btm {
  display: grid;
  gap: 20px;
}

.page-contact .contact-icp {
  position: relative;
  overflow: hidden;
  background: var(--ct-lime);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  color: var(--ct-graphite);
}

.page-contact .contact-icp::before {
  content: "";
  position: absolute;
  right: -24px;
  top: -24px;
  width: 84px;
  height: 84px;
  border: 16px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
}

.page-contact .contact-icp__stamp {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--ct-graphite);
  border: 2px solid currentColor;
  border-radius: 4px;
  padding: 4px 8px;
  transform: rotate(4deg);
  opacity: 0.45;
}

.page-contact .contact-icp h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 8px;
}

.page-contact .contact-icp p {
  margin: 4px 0;
  font-size: 14px;
  color: rgba(22, 23, 26, 0.74);
}

.page-contact .contact-icp__code {
  display: inline-block;
  margin: 10px 0;
  padding: 8px 18px;
  background: var(--ct-graphite);
  color: var(--ct-white);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .contact-icp__note {
  font-size: 13px;
}

/* ===== 相关页面导航 ===== */
.page-contact .contact-related {
  display: grid;
  align-content: center;
  gap: 12px;
}

.page-contact .contact-related__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: var(--ct-white);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--ts), transform var(--ts), box-shadow var(--ts);
}

.page-contact .contact-related__link:hover,
.page-contact .contact-related__link:focus {
  border-color: var(--ct-red);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 15, 17, 0.08);
}

.page-contact .contact-related__label {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 700;
  color: var(--ct-graphite);
}

.page-contact .contact-related__desc {
  font-size: 12px;
  color: var(--ct-muted);
  text-align: right;
}

/* ===== 右侧地图 ===== */
.page-contact .contact-workspace__side {
  display: grid;
  align-content: start;
  gap: 24px;
}

.page-contact .contact-map {
  position: relative;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-lg);
  background: var(--ct-graphite);
}

.page-contact .contact-map__frame {
  position: relative;
}

.page-contact .contact-map__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-contact .contact-map__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background-image: radial-gradient(rgba(184, 255, 41, 0.5) 1px, transparent 1.5px);
  background-size: 22px 22px;
  opacity: 0.3;
  pointer-events: none;
}

.page-contact .contact-map__pin {
  position: absolute;
  z-index: 2;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ct-red);
  border: 2px solid var(--ct-white);
  box-shadow: 0 0 0 5px rgba(230, 46, 58, 0.28);
  cursor: default;
}

.page-contact .contact-map__pin::after {
  content: attr(title);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--ct-panel);
  color: var(--ct-white);
  border: 1px solid var(--ct-line);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ts), transform var(--ts);
}

.page-contact .contact-map__pin:hover::after,
.page-contact .contact-map__pin:focus::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-contact .contact-map__pin--a {
  top: 26%;
  left: 32%;
}

.page-contact .contact-map__pin--b {
  top: 48%;
  left: 58%;
}

.page-contact .contact-map__pin--c {
  top: 70%;
  left: 24%;
  background: var(--ct-lime);
  border-color: var(--ct-graphite);
  box-shadow: 0 0 0 5px rgba(184, 255, 41, 0.3);
}

.page-contact .contact-map__legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-top: 1px solid var(--ct-line);
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}

.page-contact .contact-map__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ct-red);
}

.page-contact .contact-map__coord {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--ct-lime);
}

/* ===== 邮箱装饰卡 ===== */
.page-contact .contact-mailcard {
  position: relative;
  overflow: hidden;
  margin-left: 18px;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-lg);
  background: var(--ct-graphite);
}

.page-contact .contact-mailcard::before {
  content: "";
  position: absolute;
  top: 14px;
  left: -36px;
  width: 110px;
  height: 26px;
  background: var(--ct-red);
  transform: rotate(-45deg);
  z-index: 2;
  border-radius: 2px;
  box-shadow: 0 2px 6px rgba(14, 15, 17, 0.4);
}

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

/* ===== 桌面端布局 ===== */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 84px 0 72px;
  }

  .page-contact .contact-hero__side {
    display: block;
  }

  .page-contact .contact-hero__num {
    display: block;
    font-family: var(--font-title);
    font-size: clamp(64px, 8vw, 110px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: var(--ct-red);
    transform: skewX(-6deg);
  }

  .page-contact .contact-hero__side-label {
    display: block;
    margin-top: 12px;
    font-size: 12px;
    letter-spacing: 0.18em;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5);
  }

  .page-contact .contact-workspace {
    padding: 56px 0 96px;
  }

  .page-contact .contact-workspace__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-workspace__side {
    position: sticky;
    top: 24px;
  }

  .page-contact .contact-card {
    padding: 36px 36px 32px;
  }

  .page-contact .contact-btm {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-btm {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}