/* ===== 联系通道 / page-contact ===== */

.page-contact {
  --ct-cut: 18px;
}

/* 面包屑（页面内自持有，避免与其他页面样式互相牵动） */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-contact .breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--c-gold);
}

.page-contact .breadcrumb span:last-child {
  color: var(--c-gold);
}

/* 通用小节标题 */
.page-contact .ct-h2 {
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
  align-items: end;
}

.page-contact .ct-hero__lead {
  min-width: 0;
}

.page-contact .ct-hero__lead h1 {
  margin: 12px 0 0;
  font-size: clamp(28px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-contact .ct-lead {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 42em;
  color: var(--c-muted);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
}

/* 视觉容器 */
.page-contact .ct-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--c-panel), var(--c-orbit) 78%);
  clip-path: polygon(var(--ct-cut) 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%, 0 var(--ct-cut));
}

.page-contact .ct-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.page-contact .ct-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 62% 38%, rgba(79, 195, 217, 0.24), transparent 62%),
    linear-gradient(180deg, transparent 42%, rgba(6, 10, 30, 0.78) 100%);
}

/* 三张资料卡 */
.page-contact .ct-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: clamp(28px, 4vw, 56px);
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 30px);
  background: linear-gradient(168deg, #1a2555 0%, #101838 48%, #070c22 100%);
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
}

.page-contact .ct-card__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-contact .ct-card__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-white);
}

.page-contact .ct-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-gold);
  word-break: break-word;
}

.page-contact .ct-card--mail .ct-card__value {
  font-size: clamp(15px, 2vw, 25px);
  word-break: break-all;
}

.page-contact .ct-card__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.7;
  letter-spacing: 0.02em;
  word-break: break-word;
}

.page-contact .ct-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .ct-card__meta {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-green);
}

.page-contact .ct-card .copy-btn {
  align-self: flex-start;
  margin-top: 6px;
}

/* ---------- 响应时间 ---------- */
.page-contact .ct-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.page-contact .ct-hours__big {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--c-white);
}

.page-contact .ct-hours__big .stat-num {
  font-size: clamp(38px, 8vw, 74px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-contact .ct-hours__dash {
  font-size: clamp(18px, 3vw, 30px);
  color: var(--c-gold);
}

.page-contact .ct-hours__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .ct-hours__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .ct-hours__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .ct-hours__list .mono {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
}

/* ---------- 反馈分类 ---------- */
.page-contact .ct-class__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .ct-class__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 34em;
}

.page-contact .ct-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

.page-contact .ct-tag {
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-gold);
  text-decoration: none;
  border: 1px solid var(--c-line);
  background: transparent;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .ct-tag:hover,
.page-contact .ct-tag:focus-visible {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-orbit);
}

.page-contact .ct-visual--square {
  margin-top: clamp(24px, 3vw, 40px);
  aspect-ratio: 1 / 1;
}

.page-contact .ct-class__list {
  display: grid;
  gap: 16px;
}

.page-contact .ct-class-card {
  padding: clamp(20px, 2.2vw, 28px);
  border-left: 2px solid var(--c-line);
  background: linear-gradient(160deg, rgba(22, 32, 74, 0.9), rgba(7, 12, 34, 0.96));
  scroll-margin-top: calc(var(--bar-h) + 28px);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .ct-class-card:hover,
.page-contact .ct-class-card:focus-within,
.page-contact .ct-class-card:target {
  border-left-color: var(--c-gold);
  background: linear-gradient(160deg, rgba(27, 39, 88, 0.95), rgba(9, 14, 38, 0.98));
}

.page-contact .ct-class-card__tag {
  display: inline-block;
}

.page-contact .ct-class-card h3 {
  margin: 12px 0 0;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-white);
}

.page-contact .ct-class-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .ct-class-card a {
  color: var(--c-cyan);
  text-underline-offset: 3px;
}

.page-contact .ct-class-card a:hover,
.page-contact .ct-class-card a:focus-visible {
  color: var(--c-gold);
}

.page-contact .ct-bullets {
  margin: 12px 0 0;
  padding-left: 18px;
  list-style: disc;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .ct-bullets li + li {
  margin-top: 6px;
}

/* ---------- 运营中心地址 ---------- */
.page-contact .ct-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-contact .ct-visit__addr {
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(150deg, rgba(22, 32, 74, 0.92), rgba(6, 10, 30, 0.94));
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
}

.page-contact .ct-visit__line {
  margin: 0 0 16px;
  font-size: clamp(16px, 1.8vw, 21px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-gold);
}

.page-contact .ct-visit__facts {
  margin: 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-visit__facts > div {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .ct-visit__facts > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-visit__facts dt {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-white);
}

.page-contact .ct-visit__facts dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 商务与合作 ---------- */
.page-contact .ct-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .ct-partner__intro p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 36em;
}

.page-contact .ct-partner__intro .btn {
  margin-top: 22px;
}

.page-contact .ct-partner__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .ct-partner__list li {
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .ct-partner__list h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-contact .ct-partner__list p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 处理流程轨道 ---------- */
.page-contact .ct-flow__track {
  position: relative;
  list-style: none;
  margin: clamp(26px, 3.5vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .ct-flow__node {
  position: relative;
  padding-left: 26px;
  outline: none;
}

.page-contact .ct-flow__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--c-cyan);
  background: var(--c-orbit);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .ct-flow__node::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 24px;
  bottom: -22px;
  width: 1px;
  background: linear-gradient(180deg, rgba(79, 195, 217, 0.55), rgba(79, 195, 217, 0.06));
}

.page-contact .ct-flow__node:last-child::after {
  display: none;
}

.page-contact .ct-flow__node:hover::before,
.page-contact .ct-flow__node:focus-within::before,
.page-contact .ct-flow__node:focus::before {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 5px rgba(242, 193, 78, 0.14);
}

.page-contact .ct-flow__step {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-contact .ct-flow__name {
  margin: 8px 0 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--c-white);
}

.page-contact .ct-flow__detail {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
  transition: color 0.3s var(--ease);
}

.page-contact .ct-flow__node:hover .ct-flow__detail,
.page-contact .ct-flow__node:focus-within .ct-flow__detail,
.page-contact .ct-flow__node:focus .ct-flow__detail {
  color: var(--c-white);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .ct-hours__list li {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .ct-cards {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hours__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-contact .ct-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .ct-flow__track::before {
    content: "";
    position: absolute;
    left: 6px;
    right: 6px;
    top: 10px;
    height: 1px;
    background: linear-gradient(90deg, rgba(79, 195, 217, 0.6), rgba(79, 195, 217, 0.06));
  }

  .page-contact .ct-flow__node {
    padding: 40px 22px 0 0;
  }

  .page-contact .ct-flow__node::before {
    top: 4px;
  }

  .page-contact .ct-flow__node::after {
    display: none;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .ct-visual--hero {
    aspect-ratio: 5 / 4;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-class__wrap {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tag,
  .page-contact .ct-class-card,
  .page-contact .ct-flow__node::before,
  .page-contact .ct-flow__detail {
    transition-duration: 0.01ms;
  }
}