.page-contact {
  --pc-radius: 4px;
  --pc-strip: linear-gradient(120deg, rgba(56, 232, 255, 0.1), rgba(200, 255, 61, 0.06) 60%, transparent);
  position: relative;
  z-index: 0;
  overflow-x: clip;
  padding: 0 0 64px;
  color: var(--snow);
  font-family: var(--font-body);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.15) 70%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.15) 70%);
}

.page-contact [hidden] {
  display: none !important;
}

.page-contact .breadcrumb {
  margin-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 22px 0 0;
  background: radial-gradient(680px 300px at 8% 0%, rgba(56, 232, 255, 0.1), transparent 72%),
    radial-gradient(520px 260px at 94% 6%, rgba(200, 255, 61, 0.08), transparent 74%);
}

.page-contact .contact-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-contact .contact-hero__kicker::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--hairline);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .contact-hero__title span {
  display: block;
  margin-top: 12px;
  font-size: clamp(15px, 3.6vw, 21px);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--sage);
}

.page-contact .contact-hero__lead {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage);
}

.page-contact .contact-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

.page-contact .contact-status li {
  display: flex;
  align-items: center;
}

.page-contact .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, 0.18);
  animation: pc-pulse 2.6s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---------- 渠道索引与面板 ---------- */
.page-contact .channel-board {
  margin-top: 32px;
}

.page-contact .channel-board__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-contact .channel-board__title .num {
  color: var(--lime);
}

.page-contact .channel-board__title::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--hairline);
}

.page-contact .channel-layout {
  display: grid;
  gap: 16px;
}

.page-contact .channel-rail {
  padding: 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--pc-radius);
  background: linear-gradient(180deg, rgba(18, 52, 42, 0.74), rgba(7, 26, 20, 0.46));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-contact .channel-rail__bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-contact .filter-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  background: rgba(14, 42, 32, 0.62);
  color: var(--sage);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.3;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-contact .filter-btn .num {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.06em;
  opacity: 0.8;
}

.page-contact .filter-btn:hover {
  color: var(--snow);
  border-color: var(--grid-strong);
}

.page-contact .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
  font-weight: 700;
}

.page-contact .channel-rail__note {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--hairline);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage);
}

.page-contact .channel-panel {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .channel-panel__figure,
.page-contact .feedback__figure {
  margin: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--pc-radius);
  overflow: hidden;
  background: var(--moss);
}

.page-contact .channel-panel__figure img,
.page-contact .feedback__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .channel-cards {
  display: grid;
  gap: 12px;
}

.page-contact .channel-card {
  --card-accent: var(--cyan);
  position: relative;
  padding: 16px 16px 14px;
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--card-accent);
  border-radius: var(--pc-radius);
  background: rgba(18, 52, 42, 0.58);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .channel-card:hover {
  background: rgba(18, 52, 42, 0.8);
  border-color: var(--grid-strong);
  transform: translateY(-2px);
}

.page-contact .channel-card--lime { --card-accent: var(--lime); }
.page-contact .channel-card--cyan { --card-accent: var(--cyan); }
.page-contact .channel-card--amber { --card-accent: var(--amber); }
.page-contact .channel-card--violet { --card-accent: var(--violet); }

.page-contact .channel-card__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--card-accent);
}

.page-contact .channel-card__title {
  margin: 4px 0 2px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--snow);
}

.page-contact .channel-card__value {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--card-accent);
  word-break: break-all;
}

.page-contact .channel-card__desc {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .channel-card__list {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 5px;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 13px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(167, 194, 182, 0.86);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 1px;
  background: var(--card-accent);
  opacity: 0.8;
}

.page-contact .channel-card__meta {
  display: flex;
  align-items: center;
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--sage);
}

.page-contact .channel-card a,
.page-contact .contact-faq a,
.page-contact .partner a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 255, 0.4);
}

.page-contact .channel-card a:hover,
.page-contact .contact-faq a:hover,
.page-contact .partner a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 联系方式面板 ---------- */
.page-contact .contact-info,
.page-contact .partner,
.page-contact .contact-faq {
  margin-top: 46px;
}

.page-contact .info-grid {
  display: grid;
  gap: 12px;
}

.page-contact .info-card {
  padding: 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--pc-radius);
  background: var(--glass);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-contact .info-card__label {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .info-card__value {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 14px;
  line-height: 1.5;
  color: var(--snow);
  word-break: break-all;
}

.page-contact .info-card__value--text {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.65;
  word-break: normal;
}

.page-contact .info-card__desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--sage);
}

.page-contact .info-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--sage);
}

/* ---------- 反馈流程 ---------- */
.page-contact .feedback {
  margin-top: 46px;
}

.page-contact .feedback__grid {
  display: grid;
  gap: 20px;
}

.page-contact .flow {
  counter-reset: pc-flow;
  position: relative;
  margin: 0;
  padding: 0 0 0 32px;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .flow::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--lime), rgba(56, 232, 255, 0.45));
}

.page-contact .flow__step {
  counter-increment: pc-flow;
  position: relative;
}

.page-contact .flow__step::before {
  content: counter(pc-flow, decimal-leading-zero);
  position: absolute;
  left: -32px;
  top: 1px;
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 700;
  box-shadow: 0 0 0 4px rgba(7, 26, 20, 0.92);
}

.page-contact .flow__step h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--snow);
}

.page-contact .flow__step p {
  margin: 0;
  max-width: 58ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .feedback__picker {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--pc-radius);
  background: rgba(14, 42, 32, 0.55);
}

.page-contact .feedback__picker-title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .feedback__picker-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .feedback__picker .filter-btn {
  width: auto;
  font-size: 12.5px;
  padding: 7px 11px;
}

.page-contact .prep {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .prep__item {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .prep__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .prep__item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--snow);
}

.page-contact .feedback__figure {
  align-self: start;
}

.page-contact .feedback__figure .media-frame__caption {
  padding: 10px 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

/* ---------- 服务时间 ---------- */
.page-contact .hours {
  margin-top: 46px;
  padding: 30px 0;
  background: var(--pc-strip);
}

.page-contact .hours__grid {
  display: grid;
  gap: 12px;
}

.page-contact .hour-card {
  --hour-accent: var(--lime);
  padding: 18px 16px;
  border: 1px solid var(--hairline);
  border-top: 2px solid var(--hour-accent);
  border-radius: var(--pc-radius);
  background: linear-gradient(160deg, rgba(18, 52, 42, 0.72), rgba(7, 26, 20, 0.62));
}

.page-contact .hour-card--cyan { --hour-accent: var(--cyan); }
.page-contact .hour-card--violet { --hour-accent: var(--violet); }

.page-contact .hour-card__num {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: clamp(24px, 5.4vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .hour-card__num span {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--hour-accent);
}

.page-contact .hour-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner__inner {
  display: grid;
  gap: 18px;
  padding: 22px 18px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: radial-gradient(420px 220px at 90% 0%, rgba(155, 140, 255, 0.16), transparent 72%),
    rgba(14, 42, 32, 0.62);
}

.page-contact .partner__text h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact .partner__text p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

.page-contact .partner__text p:last-child {
  margin-bottom: 0;
}

.page-contact .partner__aside {
  padding: 16px;
  border: 1px dashed var(--grid-strong);
  border-radius: var(--pc-radius);
  background: rgba(7, 26, 20, 0.5);
}

.page-contact .partner__aside-title {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .partner__aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .partner__aside li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sage);
}

.page-contact .partner__aside li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background: var(--violet);
}

/* ---------- 常见问题 ---------- */
.page-contact .faq-list {
  border-top: 1px solid var(--hairline);
}

.page-contact .faq-item {
  border-bottom: 1px solid var(--hairline);
}

.page-contact .faq-item summary {
  position: relative;
  padding: 16px 34px 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--snow);
}

.page-contact .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 17px;
  color: var(--lime);
}

.page-contact .faq-item[open] summary::after {
  content: "–";
}

.page-contact .faq-item summary:hover {
  color: var(--lime);
}

.page-contact .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .faq-item p {
  margin: 0 0 16px;
  max-width: 66ch;
  padding-right: 20px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sage);
}

.page-contact .faq-more {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  line-height: 1.8;
  color: var(--sage);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-contact .partner__inner {
    padding: 26px 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-contact .channel-rail__bar {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .feedback__grid {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 26px;
    align-items: start;
  }

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

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

  .page-contact .partner__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .contact-hero__lead {
    font-size: 16px;
  }
}

@media (min-width: 1100px) {
  .page-contact .channel-rail {
    position: sticky;
    top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dot {
    animation: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}