.page-contact {
  background-color: var(--night);
  color: var(--ink);
  font-family: var(--font-body);
  padding-top: clamp(16px, 3vw, 32px);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-bottom: clamp(12px, 2vw, 20px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 4vw, 40px) clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(47, 74, 66, 0.26) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 74, 66, 0.26) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 82%);
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 6.2vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 12px 0 18px;
  color: var(--ink);
}

.page-contact .contact-hero__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 3px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--lime), var(--gold));
}

.page-contact .contact-hero__lede {
  max-width: 56ch;
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-chips {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 53, 43, 0.85), rgba(11, 42, 34, 0.6));
  font-size: 0.8125rem;
}

.page-contact .contact-chip__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-chip__v {
  color: var(--digit);
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep-green);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body {
  padding-top: clamp(32px, 5vw, 64px);
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .contact-stack {
  min-width: 0;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  background: linear-gradient(170deg, var(--deep-green) 0%, var(--panel) 62%, var(--panel-soft) 100%);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(47, 74, 66, 0.45) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 74, 66, 0.45) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.32;
  pointer-events: none;
}

.page-contact .contact-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-card__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .contact-lines {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-line {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-line:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-line__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-line__v {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-line__v--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--digit);
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 信息区块 ---------- */
.page-contact .contact-block {
  position: relative;
  padding: clamp(20px, 3.2vw, 36px);
  border: 1px solid var(--line);
}

.page-contact .contact-block + .contact-block {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .contact-block--green {
  border-left: 2px solid var(--lime);
  background: linear-gradient(150deg, var(--deep-green) 0%, #0d3128 100%);
}

.page-contact .contact-block--indigo {
  border-left: 2px solid var(--gold);
  background: linear-gradient(150deg, var(--indigo) 0%, #1a1038 100%);
}

.page-contact .contact-block--panel {
  border-left: 2px solid var(--line);
  background: linear-gradient(150deg, var(--panel) 0%, #0c2a22 100%);
}

.page-contact .contact-block__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.6vw, 1.85rem);
  line-height: 1.22;
  margin: 8px 0 12px;
  color: var(--ink);
}

.page-contact .contact-block__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 数据对照步骤 ---------- */
.page-contact .contact-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .contact-step {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-step__n {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 3px;
}

.page-contact .contact-step__body {
  min-width: 0;
}

.page-contact .contact-step__t {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.page-contact .contact-step__d {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 数据协助底部图 + 说明 ---------- */
.page-contact .contact-assist-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.page-contact .contact-assist__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--night);
}

.page-contact .contact-assist__note {
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(10, 20, 40, 0.55);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-assist__note p {
  margin: 0;
}

.page-contact .contact-assist__note-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .contact-kinds {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .contact-kind {
  padding: 18px;
  border: 1px solid rgba(232, 240, 234, 0.16);
  border-top: 2px solid rgba(242, 201, 76, 0.75);
  background: rgba(10, 20, 40, 0.36);
}

.page-contact .contact-kind__t {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.page-contact .contact-kind__d {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 服务时间与覆盖 ---------- */
.page-contact .contact-kv {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-kv__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-kv__k {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .contact-kv__v {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 常见问题入口 ---------- */
.page-contact .contact-faq {
  margin-top: clamp(18px, 3vw, 28px);
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  background: linear-gradient(120deg, rgba(16, 53, 43, 0.72), rgba(10, 20, 40, 0.9));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .contact-faq__head {
  min-width: 0;
}

.page-contact .contact-faq__t {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.3vw, 1.55rem);
  line-height: 1.28;
  color: var(--ink);
}

.page-contact .contact-faq__d {
  margin: 0;
  max-width: 66ch;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-faq__btn {
  justify-self: start;
  white-space: nowrap;
}

.page-contact .contact-faq__list {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  grid-column: 1 / -1;
}

.page-contact .contact-faq__list a {
  display: inline-block;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--digit);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .contact-kv__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }

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

  .page-contact .contact-assist-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .contact-faq {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .contact-faq__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 24px;
  }
}