.page-contact {
  --contact-line: rgba(47, 243, 200, 0.3);
  --contact-hair: rgba(255, 255, 255, 0.16);
  --contact-body: rgba(243, 248, 245, 0.82);
  display: block;
  overflow-x: hidden;
}

.page-contact .crumbs {
  margin: clamp(16px, 3vw, 28px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(44px, 7vw, 88px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 10%;
  right: -90px;
  width: 260px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
  transform: rotate(-34deg);
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  row-gap: clamp(18px, 3vw, 28px);
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-family: var(--ff-display);
  font-size: var(--fs-display);
  line-height: 1.03;
  letter-spacing: -0.022em;
  color: var(--bone);
  transform: skewX(-1.5deg);
  transform-origin: left bottom;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: var(--contact-body);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .contact-hero__figure {
  margin: clamp(28px, 5vw, 52px) 0 0;
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
}

/* ---------- 区块通用 ---------- */
.page-contact h2 {
  margin: 16px 0 0;
  font-family: var(--ff-display);
  font-size: var(--fs-h2);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--bone);
}

.page-contact h3 {
  margin: 10px 0 0;
  font-family: var(--ff-display);
  font-size: clamp(1.0625rem, 1.5vw, 1.375rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-contact .prose {
  margin-top: 18px;
  max-width: 68ch;
  line-height: 1.78;
  color: var(--contact-body);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-routes {
  padding: clamp(48px, 7vw, 96px) 0;
  border-top: 1px solid var(--contact-line);
  background: linear-gradient(180deg, rgba(11, 58, 44, 0.55), rgba(5, 35, 27, 0) 82%);
}

.page-contact .contact-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .contact-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(18px, 3vw, 26px);
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .route-card > p:not(.k-label) {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--contact-body);
}

.page-contact .route-card__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.9375rem;
  line-height: 1.68;
  color: rgba(243, 248, 245, 0.74);
}

.page-contact .route-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .route-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 推进节奏 ---------- */
.page-contact .contact-flow {
  padding: clamp(48px, 7vw, 96px) 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .flow-line {
  position: relative;
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0 0 0 30px;
}

.page-contact .flow-line::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(47, 243, 200, 0.08));
}

.page-contact .flow-node {
  position: relative;
  padding-bottom: clamp(26px, 4vw, 42px);
}

.page-contact .flow-node:last-child {
  padding-bottom: 0;
}

.page-contact .flow-node::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.page-contact .flow-node__step {
  display: block;
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .flow-node h3 {
  margin-top: 6px;
}

.page-contact .flow-node > p {
  margin: 8px 0 0;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.74;
  color: var(--contact-body);
}

.page-contact .flow-node__kit {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
  border-left: 2px solid var(--contact-line);
  padding-left: 12px;
}

/* ---------- 客服支持 ---------- */
.page-contact .contact-support {
  padding: clamp(48px, 7vw, 96px) 0;
  border-top: 1px solid var(--contact-line);
  background: linear-gradient(180deg, rgba(42, 42, 102, 0.34), rgba(5, 35, 27, 0) 76%);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-contact .channel-card {
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(160deg, rgba(11, 58, 44, 0.94), rgba(5, 35, 27, 0.96));
  border: 1px solid var(--contact-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .channel-card > p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--contact-body);
}

.page-contact .channel-card__addr {
  font-family: var(--ff-mono);
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  letter-spacing: 0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__hint {
  font-size: 0.8125rem;
  color: var(--mist);
}

.page-contact .contact-support__aside {
  margin-top: clamp(24px, 4vw, 0px);
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-hours {
  padding: clamp(48px, 7vw, 96px) 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .stat-row {
  list-style: none;
  margin: clamp(26px, 3.8vw, 40px) 0 0;
  padding: 1px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.page-contact .stat-row .k-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--night);
}

.page-contact .stat-row .k-stat__num {
  font-size: clamp(1.375rem, 2.6vw, 2.125rem);
  line-height: 1.1;
}

/* ---------- 联系信息展区 ---------- */
.page-contact .contact-desk {
  padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 8vw, 100px);
}

.page-contact .contact-desk__panel {
  padding: clamp(24px, 4vw, 52px);
}

.page-contact .desk-list {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .desk-item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .desk-item dt {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .desk-item dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.62;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-contact .contact-desk__aside {
  margin-top: clamp(24px, 4vw, 0px);
}

.page-contact .contact-desk__links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .contact-desk__links a {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-line);
  padding-bottom: 2px;
}

.page-contact .contact-desk__links a:hover,
.page-contact .contact-desk__links a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 899px) {
  .page-contact .k-grid > * {
    grid-column: 1 / -1;
  }

  .page-contact .contact-hero__title {
    transform: none;
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 640px) {
  .page-contact .desk-item {
    grid-template-columns: minmax(110px, 150px) minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 960px) {
  .page-contact .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-support__aside,
  .page-contact .contact-desk__aside {
    margin-top: 0;
  }

  .page-contact .flow-line {
    padding-left: 44px;
  }

  .page-contact .flow-line::before {
    left: 8px;
  }

  .page-contact .flow-node::before {
    left: -44px;
    top: 4px;
    width: 16px;
    height: 16px;
  }

  .page-contact .flow-node__kit {
    margin-top: 10px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
  }

  .page-contact .flow-node:hover .flow-node__kit,
  .page-contact .flow-node:focus-within .flow-node__kit {
    max-height: 10em;
    opacity: 1;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero {
    padding-bottom: clamp(72px, 8vw, 104px);
  }

  .page-contact .route-card:nth-child(even) {
    transform: translateY(18px);
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-contact .contact-hero::before,
  .page-contact .flow-line::before,
  .page-contact .flow-node::before {
    display: none;
  }

  .page-contact .desk-item dd,
  .page-contact .channel-card__addr {
    color: #000;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }

  .page-contact .flow-node__kit {
    max-height: none !important;
    opacity: 1 !important;
  }
}