.page-contact {
  --pc-radius: 3px;
  --pc-card-line: rgba(217, 180, 81, 0.2);
}

/* ---------- 首屏视觉 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.4;
  filter: saturate(0.62) contrast(1.08);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg,
      rgba(6, 24, 18, 0.62) 0%,
      rgba(6, 24, 18, 0.86) 58%,
      var(--bg-deep) 100%),
    linear-gradient(115deg, rgba(63, 224, 208, 0.08) 0%, transparent 46%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  padding: clamp(58px, 13vw, 138px) 0 clamp(46px, 8vw, 78px);
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  max-width: 14ch;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--title);
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  color: var(--text);
}

/* ---------- 主体网格 ---------- */
.page-contact .contact-body {
  background: var(--bg-deep);
  padding: clamp(40px, 7vw, 76px) 0 clamp(48px, 8vw, 96px);
}

.page-contact .contact-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 56px);
  align-items: start;
}

/* ---------- 左侧联系卡片 ---------- */
.page-contact .contact-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--pc-card-line);
  border-radius: var(--pc-radius);
  padding: 24px 22px 22px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 74px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(217, 180, 81, 0));
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(63, 224, 208, 0.14), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-card__eyebrow {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-card__list {
  margin: 0;
}

.page-contact .contact-row {
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-row:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-row dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--turf);
  margin-bottom: 6px;
}

.page-contact .contact-row__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--title);
  word-break: break-word;
  letter-spacing: 0.01em;
}

.page-contact .contact-card__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--text);
}

/* ---------- 右侧说明流 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: clamp(40px, 7vw, 68px);
  min-width: 0;
}

.page-contact .flow-block {
  min-width: 0;
}

.page-contact .flow-block__title {
  margin: 12px 0 0;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--title);
}

.page-contact .flow-block__intro {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 通道列表 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .channel {
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .channel:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.page-contact .channel__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--turf);
  box-shadow: 0 0 0 3px rgba(79, 174, 99, 0.16);
  flex: 0 0 auto;
}

.page-contact .channel__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--title);
}

.page-contact .channel__text {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}

/* ---------- 勘误步骤 ---------- */
.page-contact .flow-block--fix {
  position: relative;
  padding: clamp(26px, 4.5vw, 40px) clamp(20px, 4vw, 38px);
  background: var(--bg-panel);
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--pc-radius) var(--pc-radius) 0;
}

.page-contact .fix-steps {
  list-style: none;
  counter-reset: fixstep;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .fix-step {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: start;
}

.page-contact .fix-step__num {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold);
  border: 1px solid var(--pc-card-line);
  border-radius: 2px;
  text-align: center;
}

.page-contact .fix-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .fix-step__text strong {
  color: var(--title);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- 合作 ---------- */
.page-contact .coop-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .coop-item {
  padding: 18px 0 18px 18px;
  border-left: 2px solid rgba(63, 224, 208, 0.42);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .coop-item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-item__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--title);
}

.page-contact .coop-item__text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .coop-note {
  margin: 20px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .coop__figure {
  margin: 24px 0 0;
}

/* ---------- 响应时效 ---------- */
.page-contact .flow-block--sla {
  background: var(--bg-wine);
  padding: clamp(28px, 5vw, 46px) clamp(20px, 4vw, 40px);
  border-top: 1px solid rgba(217, 180, 81, 0.3);
  border-bottom: 1px solid rgba(217, 180, 81, 0.3);
}

.page-contact .coord--light {
  color: rgba(217, 180, 81, 0.85);
}

.page-contact .sla {
  margin: 26px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .sla__item {
  padding-top: 18px;
  border-top: 1px solid rgba(239, 244, 241, 0.16);
}

.page-contact .sla__figure {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-contact .sla__num {
  font-family: var(--mono);
  font-size: clamp(52px, 13vw, 100px);
  line-height: 0.86;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--cyan);
}

.page-contact .sla__unit {
  font-family: var(--mono);
  font-size: clamp(15px, 3vw, 20px);
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .sla__label {
  margin: 14px 0 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .sla__note {
  margin: 24px 0 0;
  max-width: 68ch;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(195, 204, 198, 0.82);
}

/* ---------- 请求分流 ---------- */
.page-contact .route-list {
  margin: 24px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .route-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  transition: padding-left 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .route-row__q {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  transition: color 200ms var(--ease);
}

.page-contact .route-row__a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .route-row__arrow {
  transition: transform 200ms var(--ease);
}

.page-contact .route-row:hover,
.page-contact .route-row:focus-visible {
  padding-left: 10px;
  border-bottom-color: var(--cyan);
}

.page-contact .route-row:hover .route-row__q,
.page-contact .route-row:focus-visible .route-row__q {
  color: var(--title);
}

.page-contact .route-row:hover .route-row__arrow,
.page-contact .route-row:focus-visible .route-row__arrow {
  transform: translateX(5px);
}

/* ---------- 尾部对角色带 ---------- */
.page-contact .contact-tail {
  position: relative;
  height: clamp(64px, 9vw, 118px);
  background: linear-gradient(112deg,
    var(--bg-deep) 0 34%,
    var(--bg-indigo) 34% 100%);
}

.page-contact .contact-tail::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg,
    transparent 0 33.6%,
    rgba(217, 180, 81, 0.55) 33.9%,
    transparent 34.3%);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .route-row {
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
  }

  .page-contact .sla {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-body__grid {
    grid-template-columns: 306px minmax(0, 1fr);
    gap: clamp(44px, 5vw, 74px);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 104px;
  }

  .page-contact .coop__figure {
    margin-top: 28px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__inner {
    padding-top: 156px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-row,
  .page-contact .route-row__q,
  .page-contact .route-row__arrow {
    transition: none;
  }
}