.page-contact {
  --pc-panel: #101A3C;
  --pc-panel-deep: #0A1228;
  --pc-hair: #1C2A55;
  --pc-accent: #C6FF3D;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: clamp(26px, 4.6vw, 52px);
}

.page-contact .pc-hero-grid {
  align-items: start;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .pc-title {
  margin: 14px 0 20px;
  font-size: clamp(32px, 5.8vw, 68px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .pc-lede {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .pc-hero-note {
  margin: 0;
  padding-left: 14px;
  max-width: 32em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ghost);
  border-left: 2px solid var(--lime);
}

.page-contact .pc-hero-frame {
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-hair);
  overflow: hidden;
  background: var(--pc-panel-deep);
  transform: rotate(-1.6deg);
  box-shadow: var(--shadow-raise);
}

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

.page-contact .pc-hero-media .media-caption {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ghost);
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .pc-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 34px);
  border: 1px solid var(--pc-hair);
  border-radius: var(--r-lg);
  background: var(--pc-panel);
  overflow: hidden;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--pc-accent);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translateY(-4px);
  border-color: var(--pc-accent);
  box-shadow: var(--shadow-raise);
}

.page-contact .pc-channel-code {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--pc-accent);
}

.page-contact .pc-channel-title {
  margin: 0;
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .pc-channel-for {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--trail);
}

.page-contact .pc-channel-for strong {
  color: var(--paper);
  font-weight: 600;
}

.page-contact .pc-channel .card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-contact .pc-need {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-need li {
  padding: 5px 12px;
  border: 1px solid var(--pc-hair);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-contact .pc-channel-link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pc-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .pc-channel-link:hover,
.page-contact .pc-channel-link:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 四步流程 ---------- */
.page-contact .pc-process-wrap {
  position: relative;
  margin-top: clamp(28px, 4.4vw, 52px);
}

.page-contact .pc-flow-line {
  display: none;
}

.page-contact .pc-step-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 30px);
}

.page-contact .pc-step-list::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 24px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--trail), var(--lime) 62%, transparent);
}

.page-contact .pc-step {
  position: relative;
  padding-left: 56px;
}

.page-contact .pc-step-num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 0 0 4px var(--ink-900);
}

.page-contact .pc-step-title {
  margin: 8px 0 10px;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .pc-step-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-contact .pc-step-out {
  margin: 12px 0 0;
  padding-left: 12px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--ghost);
  border-left: 2px solid var(--pc-hair);
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-contact .pc-step:hover .pc-step-out,
.page-contact .pc-step:focus-within .pc-step-out {
  color: var(--muted);
  border-left-color: var(--lime);
}

.page-contact .pc-flow-figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-hair);
  overflow: hidden;
  background: var(--pc-panel-deep);
}

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

/* ---------- 提交前准备 ---------- */
.page-contact .pc-prepare-grid {
  align-items: start;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .pc-prepare-copy .btn-row {
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-contact .pc-prepare-list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .pc-prepare-item {
  display: grid;
  gap: 7px;
  padding: 18px 22px;
  border: 1px solid var(--pc-hair);
  border-radius: var(--r-md);
  background: var(--pc-panel-deep);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .pc-prepare-item:hover,
.page-contact .pc-prepare-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--lime);
  background: var(--pc-panel);
}

.page-contact .pc-prepare-item dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-contact .pc-prepare-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 服务区域 ---------- */
.page-contact .pc-cover-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 26px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .pc-cover {
  position: relative;
  padding: clamp(24px, 3vw, 38px);
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-hair);
  background: linear-gradient(160deg, #101A3C 0%, #0A1228 100%);
  overflow: hidden;
}

.page-contact .pc-cover::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 224, 200, 0.22) 0%, transparent 70%);
  pointer-events: none;
}

.page-contact .pc-cover:last-child::after {
  background: radial-gradient(circle, rgba(255, 90, 43, 0.2) 0%, transparent 70%);
}

.page-contact .pc-cover-code {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--pill);
  border: 1px solid var(--pc-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--trail);
}

.page-contact .pc-cover-value {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(58px, 11vw, 118px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.05em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-cover-unit {
  margin: 12px 0 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .pc-cover-text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .pc-cover-tail {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  max-width: 62em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ghost);
  border-left: 2px solid var(--line);
  padding-left: 16px;
}

/* ---------- 联系面板 ---------- */
.page-contact .pc-contact-card {
  padding: clamp(26px, 3.6vw, 52px);
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-hair);
  background: var(--pc-panel);
  box-shadow: var(--shadow-raise);
}

.page-contact .pc-contact-head .section-title {
  margin-bottom: 12px;
}

.page-contact .pc-contact-head .section-lede {
  margin-bottom: 0;
}

.page-contact .pc-contact-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-contact-item {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  border: 1px solid var(--pc-hair);
  border-radius: var(--r-md);
  background: var(--pc-panel-deep);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .pc-contact-item:hover,
.page-contact .pc-contact-item:focus-within {
  border-color: var(--lime);
  transform: translateY(-3px);
}

.page-contact .pc-contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ghost);
}

.page-contact .pc-contact-val {
  font-size: clamp(17px, 2.2vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .pc-contact-val--mail {
  font-size: clamp(15px, 1.8vw, 21px);
  color: var(--lime);
}

.page-contact .pc-contact-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-contact-tail {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 60em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 常见问题 ---------- */
.page-contact .pc-faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .pc-faq {
  border: 1px solid var(--pc-hair);
  border-radius: var(--r-md);
  background: var(--pc-panel-deep);
  transition: border-color 200ms var(--ease);
}

.page-contact .pc-faq[open],
.page-contact .pc-faq:hover {
  border-color: var(--trail);
}

.page-contact .pc-faq summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  list-style: none;
}

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

.page-contact .pc-faq summary::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--pc-hair);
  transition: background-color 200ms var(--ease);
}

.page-contact .pc-faq[open] summary::before,
.page-contact .pc-faq summary:hover::before {
  background: var(--lime);
}

.page-contact .pc-faq summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-contact .pc-faq p {
  margin: 0;
  padding: 0 22px 20px 43px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 下一站 ---------- */
.page-contact .pc-next-sec {
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-contact .pc-next-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
  padding: clamp(20px, 2.6vw, 30px) clamp(20px, 3vw, 36px);
  border: 1px solid var(--pc-hair);
  border-radius: var(--pill);
  background: linear-gradient(100deg, #101A3C 0%, #0A1228 100%);
}

.page-contact .pc-next-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ghost);
}

.page-contact .pc-next-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}

.page-contact .pc-next-link--alt {
  color: var(--trail);
}

.page-contact .pc-next-link:hover,
.page-contact .pc-next-link:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-prepare-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .pc-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-channel:nth-child(2) {
    margin-top: 24px;
  }

  .page-contact .pc-flow-line {
    display: block;
    position: absolute;
    top: 34px;
    left: 0;
    width: 100%;
    height: 70px;
    opacity: 0.75;
    pointer-events: none;
  }

  .page-contact .pc-step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(20px, 2.4vw, 30px);
  }

  .page-contact .pc-step-list::before {
    display: none;
  }

  .page-contact .pc-step {
    padding-left: 0;
    padding-top: 78px;
  }

  .page-contact .pc-step-num {
    top: 0;
    box-shadow: 0 0 0 4px var(--ink-900);
  }

  .page-contact .pc-step-title {
    margin-top: 0;
  }

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

@media (min-width: 1180px) {
  .page-contact .pc-title {
    max-width: 15em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-prepare-item,
  .page-contact .pc-contact-item {
    transition: border-color 200ms linear;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-channel:focus-within,
  .page-contact .pc-prepare-item:hover,
  .page-contact .pc-prepare-item:focus-within,
  .page-contact .pc-contact-item:hover,
  .page-contact .pc-contact-item:focus-within {
    transform: none;
  }
}