.page-contact {
  background: var(--ink);
  color: var(--porcelain);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(40px, 7vw, 88px)) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(130% 100% at 92% -10%, rgba(198, 255, 79, 0.13), transparent 60%),
    radial-gradient(100% 80% at -5% 110%, rgba(255, 155, 49, 0.1), transparent 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--ink) 78%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 16%, var(--line) 84%, transparent);
}

.page-contact .contact-hero__eyebrow {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-contact .contact-hero__title {
  margin: 18px 0 0;
  max-width: 20ch;
  letter-spacing: -0.02em;
  line-height: 1.04;
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 54ch;
  color: var(--mist);
}

.page-contact .contact-hero__quick {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-contact .contact-hero__quick li {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(20, 49, 40, 0.62);
  font-size: 13.5px;
  color: var(--porcelain);
  max-width: 100%;
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__k {
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- 分流卡 ---------- */
.page-contact .contact-triage {
  padding: clamp(48px, 7vw, 88px) 0 clamp(40px, 6vw, 64px);
  background: var(--ink);
}

.page-contact .triage {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .triage__card {
  --acc: var(--lime);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, var(--board) 0%, rgba(13, 33, 28, 0.9) 100%);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease);
}

.page-contact .triage__card--amber { --acc: var(--amber); }
.page-contact .triage__card--cyan { --acc: var(--cyan); }

.page-contact .triage__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background: linear-gradient(90deg, var(--acc), transparent 72%);
}

.page-contact .triage__no {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--acc);
}

.page-contact .triage__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--porcelain);
}

.page-contact .triage__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .triage__more {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-contact .triage__more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 4px 0;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--acc);
}

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

.page-contact .triage__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-contact .triage__more[open] summary::after { content: "–"; }

.page-contact .triage__more summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
  border-radius: var(--r-pill);
}

.page-contact .triage__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .triage__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--porcelain);
}

.page-contact .triage__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--acc);
}

.page-contact .triage__more[open] .triage__list {
  animation: contact-fade 0.32s var(--ease) both;
}

@keyframes contact-fade {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

@media (hover: hover) {
  .page-contact .triage__card:hover {
    transform: translateY(-4px);
    border-color: rgba(198, 255, 79, 0.42);
  }
}

/* ---------- 分流线路视觉区 ---------- */
.page-contact .contact-route {
  padding: clamp(44px, 6vw, 88px) 0;
  background: linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
}

.page-contact .route {
  display: grid;
  gap: 30px;
}

.page-contact .route__copy .prose {
  margin: 16px 0 0;
  color: var(--mist);
}

.page-contact .route__copy .prose a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 79, 0.4);
}

.page-contact .route__copy .prose a:hover {
  border-bottom-color: var(--lime);
}

.page-contact .route__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .route__steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--porcelain);
}

.page-contact .route__steps .num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .route__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

/* ---------- 提交明细 ---------- */
.page-contact .contact-detail {
  padding: clamp(48px, 7vw, 92px) 0;
  background: var(--deep);
}

.page-contact .detail {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .detail__col {
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(7, 11, 9, 0.55);
}

.page-contact .detail__col--amber {
  background: linear-gradient(150deg, var(--board) 0%, rgba(7, 11, 9, 0.7) 100%);
}

.page-contact .detail__col h3 {
  margin: 14px 0 0;
}

.page-contact .detail__col .prose {
  margin: 14px 0 0;
  color: var(--mist);
}

.page-contact .detail__steps {
  list-style: none;
  counter-reset: contact-step;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .detail__steps li {
  counter-increment: contact-step;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--porcelain);
}

.page-contact .detail__steps li::before {
  content: counter(contact-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding-top: 3px;
  color: var(--lime);
}

.page-contact .detail__col--amber .detail__steps li::before {
  color: var(--amber);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  padding: clamp(48px, 7vw, 92px) 0;
  background: var(--ink);
}

.page-contact .channels {
  display: grid;
  gap: 28px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .channels__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .channels__row {
  position: relative;
  display: block;
  padding: 20px 22px 20px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(120deg, var(--board) 0%, rgba(13, 33, 28, 0.68) 100%);
}

.page-contact .channels__row::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--lime), transparent);
}

.page-contact .channels__key {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .channels__val {
  display: block;
  margin-top: 8px;
  font-size: clamp(16px, 2.1vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--porcelain);
  overflow-wrap: anywhere;
}

.page-contact .channels__note {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .channels__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

/* ---------- 响应安排 ---------- */
.page-contact .contact-reply {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--deep);
}

.page-contact .reply {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .reply__row {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.3s var(--ease);
}

@media (hover: hover) {
  .page-contact .reply__row:hover { padding-left: 10px; }
}

.page-contact .reply__type {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .reply__how {
  font-size: 15px;
  line-height: 1.78;
  color: var(--porcelain);
}

.page-contact .reply__foot {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 服务地区与备案 ---------- */
.page-contact .contact-facts {
  padding: clamp(48px, 7vw, 88px) 0 clamp(56px, 8vw, 104px);
  background: var(--ink);
}

.page-contact .facts__title {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-contact .facts {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .facts__item {
  display: grid;
  gap: 8px;
  padding: 24px;
  background: var(--deep);
}

.page-contact .facts__k {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .facts__v {
  font-size: 16px;
  color: var(--porcelain);
  overflow-wrap: anywhere;
}

.page-contact .facts__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .facts__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 79, 0.4);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .facts {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .reply__row {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .triage {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 20px;
    align-items: start;
  }
  .page-contact .triage > :nth-child(2) { margin-top: 38px; }
  .page-contact .triage > :nth-child(3) { margin-top: 76px; }

  .page-contact .detail {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
  }
}

@media (min-width: 960px) {
  .page-contact .route {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
    gap: 52px;
  }
  .page-contact .channels {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 46px;
  }
  .page-contact .channels__figure {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .triage__card,
  .page-contact .reply__row {
    transition: none;
  }
  .page-contact .triage__more[open] .triage__list {
    animation: none;
  }
}