.page-contact {
  --pc-line: rgba(46, 58, 92, 0.85);
  --pc-panel: rgba(18, 34, 74, 0.72);
  --pc-text: #C7D0E8;
  background: var(--ink-900);
  color: var(--snow);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.25rem, 3.5vw, 2.25rem) clamp(2.5rem, 7vw, 4.75rem);
  background: linear-gradient(155deg, #0B1A3A 0%, #16265A 46%, #0B1A3A 100%);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.72) brightness(0.7);
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(115% 85% at 12% 8%, rgba(108, 74, 182, 0.45), transparent 62%),
    radial-gradient(90% 70% at 92% 88%, rgba(127, 216, 216, 0.14), transparent 68%),
    linear-gradient(180deg, rgba(11, 26, 58, 0.3) 0%, rgba(11, 26, 58, 0.86) 74%, #0B1A3A 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 6.2vw, 4.25rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.14;
  color: var(--snow);
  margin: 0.5rem 0 1rem;
  max-width: 16ch;
}

.page-contact .contact-hero__lead {
  max-width: 60ch;
  margin: 0 0 1.75rem;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--pc-text);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 联系渠道 ---------- */

.page-contact .contact-channels {
  padding-block: clamp(2.5rem, 6vw, 4rem) clamp(1rem, 2.5vw, 1.75rem);
}

.page-contact .channel-band {
  display: grid;
  gap: 1.1rem;
  margin-top: clamp(1.6rem, 3vw, 2.25rem);
}

.page-contact .channel-card {
  position: relative;
  padding: 1.6rem 1.5rem 1.75rem;
  background: linear-gradient(160deg, rgba(18, 34, 74, 0.96), rgba(11, 26, 58, 0.96));
  border: 1px solid var(--pc-line);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: transform 0.16s var(--ease), border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(127, 216, 216, 0.65), rgba(127, 216, 216, 0) 72%);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-color: rgba(127, 216, 216, 0.5);
  box-shadow: 0 14px 34px -22px rgba(127, 216, 216, 0.6);
}

.page-contact .channel-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 0.95rem;
  color: var(--glacier);
  background: rgba(127, 216, 216, 0.08);
  border: 1px solid rgba(127, 216, 216, 0.32);
  border-radius: 8px;
}

.page-contact .channel-card__tag {
  color: var(--violet-soft);
  margin: 0 0 0.35rem;
}

.page-contact .channel-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--snow);
  margin: 0 0 0.6rem;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--gold);
  word-break: break-word;
  margin: 0 0 0.75rem;
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .channel-band__hint {
  margin: 1.3rem 0 0;
  padding: 0.9rem 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pc-text);
  border-left: 2px solid var(--violet);
  background: linear-gradient(90deg, rgba(108, 74, 182, 0.2), rgba(108, 74, 182, 0) 88%);
}

/* ---------- 主体双栏 ---------- */

.page-contact .contact-deck {
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(3rem, 7vw, 5rem);
}

.page-contact .contact-block {
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  border-top: 1px solid rgba(46, 58, 92, 0.5);
}

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

/* ---------- 工单流程 ---------- */

.page-contact .flow-track {
  list-style: none;
  margin: clamp(1.6rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 2.4rem;
}

.page-contact .flow-step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3rem;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--violet);
  background: var(--ink-900);
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 1.55rem;
  bottom: -1.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--orbit), rgba(46, 58, 92, 0));
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-step:hover::after,
.page-contact .flow-step:focus-within::after {
  background: var(--glacier);
  border-color: var(--glacier);
  box-shadow: 0 0 0 5px rgba(127, 216, 216, 0.16);
}

.page-contact .flow-step__num {
  display: block;
  color: var(--violet-soft);
  margin-bottom: 0.35rem;
}

.page-contact .flow-step__title {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--snow);
  margin: 0 0 0.45rem;
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .contact-block .figure {
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
}

/* ---------- 问题分流 ---------- */

.page-contact .segment__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.4rem, 3vw, 1.9rem);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(46, 58, 92, 0.6);
}

.page-contact .segment__btn {
  appearance: none;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.4;
  padding: 0.5rem 1.05rem;
  color: var(--dust);
  background: rgba(18, 34, 74, 0.62);
  border: 1px solid var(--pc-line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.16s var(--ease), background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .segment__btn:hover {
  color: var(--snow);
  border-color: rgba(127, 216, 216, 0.5);
}

.page-contact .segment__btn[aria-selected="true"] {
  color: var(--ink-900);
  font-weight: 600;
  background: var(--glacier);
  border-color: var(--glacier);
}

.page-contact .segment__btn:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 3px;
}

.page-contact .segment__panel {
  padding-top: 1.4rem;
}

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

.page-contact .segment__panel:focus-visible {
  outline: 2px solid var(--glacier);
  outline-offset: 4px;
}

.page-contact .route-grid {
  display: grid;
  gap: 1.1rem;
}

.page-contact .route-col {
  padding: 1.25rem 1.2rem 1.35rem;
  background: rgba(18, 34, 74, 0.55);
  border: 1px solid var(--pc-line);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-contact .route-col__head {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--glacier);
}

.page-contact .route-col p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--pc-text);
}

.page-contact .route-col a,
.page-contact .segment__footnote a,
.page-contact .partner-panel__note a {
  color: var(--glacier);
  text-underline-offset: 3px;
}

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

.page-contact .route-list li {
  position: relative;
  padding: 0.28rem 0 0.28rem 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pc-text);
}

.page-contact .route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95rem;
  width: 5px;
  height: 5px;
  background: var(--jade);
  transform: rotate(45deg);
}

.page-contact .segment__footnote {
  margin: 1.4rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 商户合作 ---------- */

.page-contact .partner-grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .partner-item {
  padding: 1.15rem 1.2rem 1.25rem;
  border-left: 2px solid var(--violet);
  background: linear-gradient(90deg, rgba(108, 74, 182, 0.16), rgba(108, 74, 182, 0) 92%);
}

.page-contact .partner-item__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--snow);
}

.page-contact .partner-item__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pc-text);
}

.page-contact .partner-panel {
  margin-top: 1.4rem;
  padding: 1.4rem 1.3rem 1.5rem;
  background: rgba(11, 26, 58, 0.85);
  border: 1px solid var(--pc-line);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-contact .partner-panel__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pc-text);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9rem;
  width: 6px;
  height: 1px;
  background: var(--glacier);
}

.page-contact .partner-panel__note {
  margin: 1.1rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 服务区域 ---------- */

.page-contact .coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .coverage-stat {
  padding: 1.05rem 1rem 1.15rem;
  background: rgba(11, 26, 58, 0.88);
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--gold);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-contact .coverage-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.05rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--gold);
}

.page-contact .coverage-stat__unit {
  margin-left: 0.28rem;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--dust);
}

.page-contact .coverage-stat__label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--dust);
}

.page-contact .coverage-note {
  margin: 1.4rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--pc-text);
}

/* ---------- 侧栏 ---------- */

.page-contact .rail-card {
  padding: 1.35rem 1.25rem 1.45rem;
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-contact .rail-card + .rail-card {
  margin-top: 1rem;
}

.page-contact .rail-card--tint {
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(108, 74, 182, 0.35), transparent 70%),
    rgba(18, 34, 74, 0.8);
}

.page-contact .rail-card__eyebrow {
  margin: 0 0 0.45rem;
  color: var(--violet-soft);
}

.page-contact .rail-card__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--snow);
}

.page-contact .rail-card__text {
  margin: 0.6rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .rail-list {
  list-style: none;
  counter-reset: rail;
  margin: 0.85rem 0 0;
  padding: 0;
}

.page-contact .rail-list li {
  position: relative;
  counter-increment: rail;
  padding: 0.32rem 0 0.32rem 1.95rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--pc-text);
}

.page-contact .rail-list li::before {
  content: counter(rail, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.42rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--glacier);
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 700px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

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

@media (min-width: 760px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .flow-step {
    padding-left: 0;
    padding-top: 2.5rem;
  }

  .page-contact .flow-step::after {
    top: 0;
    left: 0;
  }

  .page-contact .flow-step::before {
    left: 18px;
    right: calc(-1.25rem - 1px);
    top: 7px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--orbit), rgba(46, 58, 92, 0.25));
  }

  .page-contact .flow-step:last-child::before {
    display: block;
    background: linear-gradient(90deg, var(--orbit), rgba(46, 58, 92, 0));
  }
}

@media (min-width: 880px) {
  .page-contact .channel-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-deck {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(258px, 316px);
    gap: clamp(1.75rem, 4vw, 3.25rem);
    align-items: start;
  }

  .page-contact .contact-deck__rail {
    position: sticky;
    top: 6rem;
    align-self: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .coverage-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card:hover,
  .page-contact .flow-step::after,
  .page-contact .segment__btn {
    transition-duration: 0.01ms;
    transform: none;
  }
}