/* ===== 博奥赛事 · 联系我们 ===== */

.page-contact {
  --cc-cut: 26px;
  --cc-pad-x: clamp(20px, 3.6vw, 54px);
  background: linear-gradient(180deg, var(--ink) 0%, var(--char) 44%, var(--ink) 100%);
  color: var(--white);
  overflow-x: clip;
}

.page-contact .contact-crumb {
  padding-top: calc(var(--header-h) + clamp(14px, 3vw, 32px));
}

/* ---------- 值班信息板 ---------- */

.page-contact .contact-deck {
  padding-top: clamp(16px, 3vw, 32px);
}

.page-contact .deck-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 4.6vw, 56px) var(--cc-pad-x) clamp(24px, 4vw, 46px);
  background: linear-gradient(148deg, var(--graphite) 0%, #16211c 52%, var(--char) 100%);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cc-cut)) 0,
    100% var(--cc-cut),
    100% 100%,
    var(--cc-cut) 100%,
    0 calc(100% - var(--cc-cut))
  );
}

.page-contact .deck-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(96deg, rgba(11, 31, 26, 0.96) 0%, rgba(11, 31, 26, 0.8) 50%, rgba(11, 31, 26, 0.42) 100%);
}

.page-contact .deck-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: grayscale(0.55) contrast(1.25);
}

.page-contact .deck-head,
.page-contact .deck-h1,
.page-contact .deck-lead,
.page-contact .channel-list,
.page-contact .hours-strip,
.page-contact .deck-figure {
  position: relative;
  z-index: 2;
}

.page-contact .deck-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-contact .deck-head-line {
  flex: 1 1 auto;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 14px, transparent 14px 30px);
}

.page-contact .deck-h1 {
  margin: clamp(18px, 3vw, 30px) 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
  max-width: 16ch;
  color: var(--white);
}

.page-contact .deck-lead {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 58ch;
  font-size: clamp(0.95rem, 1.6vw, 1.0625rem);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 渠道 ---------- */

.page-contact .channel-list {
  list-style: none;
  margin: clamp(28px, 4.4vw, 54px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .channel-item {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-kind {
  margin: 0;
  color: var(--mist);
}

.page-contact .copy-btn {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 0;
  max-width: 100%;
  border: 0;
  background: none;
  color: var(--white);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-data);
  font-size: clamp(1rem, 4.4vw, 1.875rem);
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.page-contact .copy-value {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .copy-btn:hover .copy-value,
.page-contact .copy-btn:focus-visible .copy-value {
  color: var(--lime);
  border-bottom-color: var(--orange);
}

.page-contact .copy-hint {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
  white-space: nowrap;
}

.page-contact .channel-use {
  margin: 0;
  max-width: 46ch;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--pale);
}

/* ---------- 在线刻度 ---------- */

.page-contact .hours-strip {
  margin-top: clamp(24px, 4vw, 40px);
  max-width: 660px;
}

.page-contact .hours-scale {
  position: relative;
  height: 14px;
  margin: 14px 0 12px;
}

.page-contact .hours-track {
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
  background: var(--line);
}

.page-contact .hours-active {
  position: absolute;
  left: 37.5%;
  width: 37.5%;
  top: 6px;
  height: 2px;
  background: var(--orange);
}

.page-contact .hours-dot {
  position: absolute;
  left: 75%;
  top: 1px;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  background: var(--lime);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-contact .hours-caption {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .hours-caption .data {
  color: var(--lime);
  margin-right: 8px;
}

/* ---------- 信息板配图 ---------- */

.page-contact .deck-figure {
  display: block;
  width: 100%;
  height: 150px;
  margin-top: clamp(22px, 4vw, 34px);
  object-fit: cover;
  opacity: 0.32;
  pointer-events: none;
}

/* ---------- 斜线分隔 ---------- */

.page-contact .slash-rule {
  display: block;
  height: 1px;
  margin: clamp(48px, 7vw, 104px) 0;
  background: repeating-linear-gradient(115deg, var(--line) 0 18px, transparent 18px 42px);
}

/* ---------- 三种来意 ---------- */

.page-contact .contact-paths {
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-contact .paths-head {
  max-width: 60ch;
}

.page-contact .paths-head h2 {
  margin: clamp(12px, 2vw, 18px) 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.2vw, 2.75rem);
  line-height: 1.1;
  color: var(--white);
}

.page-contact .paths-lead {
  margin: 14px 0 0;
  font-size: clamp(0.9375rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .paths-grid {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  margin-top: clamp(32px, 5vw, 62px);
}

.page-contact .path-col {
  position: relative;
  padding-top: clamp(20px, 3vw, 26px);
  border-top: 1px solid var(--line);
}

.page-contact .path-col::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 38px;
  height: 3px;
  background: var(--path-accent, var(--lime));
}

.page-contact .path-col:nth-child(1) { --path-accent: var(--amber); }
.page-contact .path-col:nth-child(2) { --path-accent: var(--orange); }
.page-contact .path-col:nth-child(3) { --path-accent: var(--lime); }

.page-contact .path-col h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.2;
  color: var(--white);
}

.page-contact .path-text {
  margin: 12px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .path-list,
.page-contact .path-links {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .path-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--pale);
}

.page-contact .path-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-contact .path-links li {
  margin-bottom: 10px;
}

.page-contact .path-links a {
  display: inline-block;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .path-links a:hover,
.page-contact .path-links a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--orange);
}

/* ---------- 地址与备案 ---------- */

.page-contact .contact-office {
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-contact .office-bar {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
  padding-top: clamp(24px, 3.6vw, 38px);
  border-top: 1px solid var(--line);
}

.page-contact .office-value {
  margin: 8px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pale);
  overflow-wrap: anywhere;
}

.page-contact .office-value.data {
  color: var(--white);
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 860px) {
  .page-contact .channel-item {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 0.68fr);
    column-gap: clamp(32px, 6vw, 90px);
    align-items: center;
    row-gap: 0;
  }

  .page-contact .channel-kind {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .copy-btn {
    grid-column: 1;
    grid-row: 2;
    margin-top: 8px;
  }

  .page-contact .channel-use {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    padding-left: clamp(22px, 3vw, 38px);
    border-left: 1px solid var(--line);
    min-height: 62px;
    display: flex;
    align-items: center;
  }

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

  .page-contact .path-col {
    padding: clamp(22px, 3vw, 30px) clamp(22px, 3vw, 40px) 0;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .page-contact .path-col:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .path-col:last-child {
    padding-right: 0;
  }

  .page-contact .path-col::before {
    left: clamp(22px, 3vw, 40px);
  }

  .page-contact .path-col:first-child::before {
    left: 0;
  }

  .page-contact .office-bar {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr) minmax(0, 1fr);
    column-gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1025px) {
  .page-contact .deck-panel {
    padding-bottom: clamp(38px, 4vw, 62px);
  }

  .page-contact .deck-figure {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 40%;
    height: 66%;
    margin-top: 0;
    opacity: 0.26;
    z-index: 1;
    -webkit-mask-image: linear-gradient(220deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0) 76%);
    mask-image: linear-gradient(220deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0) 76%);
  }

  .page-contact .hours-strip {
    max-width: 620px;
  }

  .page-contact .deck-h1 {
    max-width: 18ch;
  }

  .page-contact .deck-lead {
    max-width: 52ch;
  }
}

@media (min-width: 1441px) {
  .page-contact .deck-panel {
    --cc-cut: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-value,
  .page-contact .path-links a {
    transition: none;
  }
}