.page-contact {
  --pc-card-bg: linear-gradient(158deg, rgba(19, 27, 58, 0.96) 0%, rgba(11, 16, 38, 0.94) 100%);
  --pc-paper-ink: #101a33;
  --pc-paper-muted: #3c4a66;
  color: var(--silver);
  padding-bottom: clamp(48px, 7vw, 96px);
  background:
    radial-gradient(760px 420px at 90% 0%, rgba(52, 211, 200, 0.10), transparent 64%),
    radial-gradient(640px 400px at 2% 26%, rgba(92, 107, 138, 0.15), transparent 70%);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-top: clamp(16px, 3vw, 28px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--orbit);
}

.page-contact .breadcrumb__link {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
  outline: none;
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--orbit);
}

.page-contact .breadcrumb__current {
  color: var(--moon);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  padding-block: clamp(20px, 3vw, 30px) clamp(32px, 5vw, 58px);
}

.page-contact .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-size: clamp(34px, 7vw, 58px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--moon);
}

.page-contact .lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.88;
  color: var(--silver);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 26px 6px 28px 8px;
  overflow: hidden;
  background: var(--ink-nebula);
}

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

.page-contact .contact-hero__media .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--orbit);
}

/* ---------- 章节题头 ---------- */
.page-contact .section-head {
  max-width: 46em;
}

.page-contact .section-title {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.028em;
  color: var(--moon);
}

.page-contact .section-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

/* ---------- 联络通道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(28px, 5vw, 58px);
}

.page-contact .channels-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
  margin-top: clamp(24px, 3.4vw, 36px);
}

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

.page-contact .chan-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px) clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  border-radius: 14px;
  background: var(--pc-card-bg);
  overflow: hidden;
}

.page-contact .chan-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 14px);
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .chan-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-contact .chan-card__no {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orbit);
}

.page-contact .chan-card__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--moon);
}

.page-contact .chan-card__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--signal);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .chan-card__value--addr {
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--silver);
}

.page-contact .chan-card__note {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.82;
  color: var(--silver);
  opacity: 0.86;
}

.page-contact .chan-card--phone {
  border-left-color: var(--silver);
}

.page-contact .chan-card--addr {
  border-left-color: var(--orbit);
  background-color: var(--ink-nebula);
  background-image:
    linear-gradient(rgba(92, 107, 138, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 107, 138, 0.16) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
}

.page-contact .addr-figure {
  margin: 16px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
}

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

/* ---------- 右侧面板 ---------- */
.page-contact .channels-panel__card {
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--amber-deep);
  border-radius: 26px 6px 28px 8px;
  background: var(--moon);
  color: var(--pc-paper-ink);
  box-shadow: 0 26px 64px rgba(6, 9, 22, 0.46);
}

.page-contact .channels-panel__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 6px 12px;
  border: 1px solid rgba(52, 211, 200, 0.55);
  border-radius: 999px;
  background: rgba(52, 211, 200, 0.16);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: #14615a;
}

.page-contact .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #14a99e;
  box-shadow: 0 0 0 3px rgba(52, 211, 200, 0.24);
}

.page-contact .channels-panel__card h3 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--pc-paper-ink);
}

.page-contact .channels-panel__text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pc-paper-muted);
}

.page-contact .query-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  margin: 0 0 18px;
  padding: 13px 15px;
  border: 1px solid rgba(52, 211, 200, 0.6);
  border-radius: 12px;
  background: rgba(52, 211, 200, 0.10);
  text-decoration: none;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .query-strip:hover,
.page-contact .query-strip:focus-visible {
  border-color: var(--fluoro);
  background: rgba(108, 247, 232, 0.24);
  box-shadow: 0 0 0 3px rgba(108, 247, 232, 0.26);
  outline: none;
}

.page-contact .query-strip__label {
  font-size: 15px;
  font-weight: 800;
  color: #0b6059;
}

.page-contact .query-strip__hint {
  flex: 1 1 100%;
  font-size: 13px;
  line-height: 1.6;
  color: #41506e;
}

.page-contact .query-strip__arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: #0b6059;
}

.page-contact .submit-steps {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-contact .submit-steps li {
  position: relative;
  padding-left: 38px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-paper-muted);
  counter-increment: step;
}

.page-contact .submit-steps li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 1px 4px;
  border: 1px solid rgba(184, 116, 26, 0.5);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-deep);
}

.page-contact .channels-panel__card .link-arrow {
  color: #0b6059;
  font-weight: 700;
}

/* ---------- 自助路径 ---------- */
.page-contact .contact-selfhelp {
  padding-block: clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .help-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .help-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: 18px 6px 20px 6px;
  background: rgba(19, 27, 58, 0.72);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .help-card:hover,
.page-contact .help-card:focus-visible {
  border-color: var(--signal);
  background: rgba(19, 27, 58, 0.96);
  transform: translateY(-3px);
  outline: none;
}

.page-contact .help-card__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-contact .help-card__title {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--moon);
}

.page-contact .help-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--silver);
  opacity: 0.86;
}

.page-contact .help-card__go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal);
}

/* ---------- 站内表单说明 ---------- */
.page-contact .contact-guide {
  padding-block: clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .guide-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .guide-copy__hint {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
  opacity: 0.86;
}

.page-contact .guide-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line-soft);
  overflow: hidden;
}

.page-contact .guide-list li {
  position: relative;
  padding: 18px 20px 18px 60px;
  background: rgba(11, 16, 38, 0.86);
}

.page-contact .guide-list .num {
  position: absolute;
  left: 18px;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-contact .guide-list h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  color: var(--moon);
}

.page-contact .guide-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--silver);
  opacity: 0.86;
}

/* ---------- 合作与媒体 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .coop-card {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: 20px 6px 22px 6px;
  background: rgba(19, 27, 58, 0.66);
}

.page-contact .coop-card--amber {
  border-color: rgba(184, 116, 26, 0.55);
  background: rgba(242, 169, 59, 0.08);
}

.page-contact .coop-card__title {
  margin: 0 0 14px;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 800;
  color: var(--moon);
}

.page-contact .coop-card--amber .coop-card__title {
  color: var(--amber);
}

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

.page-contact .coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
  opacity: 0.88;
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--signal);
  border-radius: 50%;
}

.page-contact .coop-card--amber .coop-list li::before {
  border-color: var(--amber-deep);
  background: rgba(242, 169, 59, 0.4);
}

/* ---------- 服务范围与响应 ---------- */
.page-contact .contact-scope {
  padding-block: clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .scope-band {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 32px);
  border-block: 1px solid var(--line);
  background: var(--line-soft);
}

.page-contact .scope-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 18px 6px;
  background: rgba(11, 16, 38, 0.86);
}

.page-contact .scope-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--moon);
}

.page-contact .scope-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
  opacity: 0.82;
}

.page-contact .scope-notes {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .scope-notes p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.86;
  color: var(--silver);
}

.page-contact .scope-notes__meta {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--orbit);
}

.page-contact .contact-backtop {
  margin-top: clamp(26px, 4vw, 38px);
}

.page-contact .contact-backtop .link-arrow {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact .contact-backtop .link-arrow:hover,
.page-contact .contact-backtop .link-arrow:focus-visible {
  color: var(--fluoro);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .help-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .help-card:nth-child(1) {
    grid-column: span 5;
  }

  .page-contact .help-card:nth-child(2) {
    grid-column: span 4;
    margin-top: 20px;
  }

  .page-contact .help-card:nth-child(3) {
    grid-column: span 3;
    margin-top: 40px;
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

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

  .page-contact .channels-panel {
    position: sticky;
    top: 96px;
  }

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

@media (min-width: 1180px) {
  .page-contact .scope-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 34px;
  }

  .page-contact .scope-notes__meta {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .help-card,
  .page-contact .query-strip,
  .page-contact .breadcrumb__link {
    transition: none;
  }

  .page-contact .help-card:hover,
  .page-contact .help-card:focus-visible {
    transform: none;
  }
}