.page-contact {
  --contact-cut: 22px;
  --contact-glow: rgba(255, 106, 43, 0.16);
  --contact-ring: rgba(192, 116, 63, 0.28);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 4.5vw, 48px) clamp(16px, 3vw, 32px);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 560px;
  z-index: -1;
  background:
    radial-gradient(58% 58% at 80% 28%, var(--contact-glow), transparent 68%),
    radial-gradient(52% 52% at 8% 6%, rgba(78, 127, 99, 0.2), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

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

.page-contact .contact-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 6.4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 18ch;
}

.page-contact .contact-hero .lede {
  margin-top: 16px;
  max-width: 56ch;
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--mist);
}

.page-contact .contact-hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--line-rock);
  border-radius: var(--radius-pill);
  background: rgba(23, 33, 64, 0.62);
  line-height: 1.4;
}

.page-contact .contact-hero__dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--pulse-green);
  animation: contactPulse 2s ease-out infinite;
}

@keyframes contactPulse {
  0% { box-shadow: 0 0 0 0 rgba(155, 255, 77, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(155, 255, 77, 0); }
  100% { box-shadow: 0 0 0 0 rgba(155, 255, 77, 0); }
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channel__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-contact .contact-card {
  position: relative;
  min-width: 0;
  padding: 22px 20px;
  background: linear-gradient(158deg, var(--ink-deep), #0a1122 72%);
  border: 1px solid var(--line-rock);
  border-radius: var(--radius-card);
}

.page-contact .contact-card__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-contact .contact-card__desc {
  margin: 14px 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-card__note {
  margin: 12px 0 0;
  font-size: 0.8125rem;
  color: var(--amber);
  font-family: var(--font-data);
  letter-spacing: 0.02em;
}

.page-contact .contact-card--primary {
  overflow: hidden;
  border: 1px solid var(--contact-ring);
  border-radius: 0;
  clip-path: polygon(0 var(--contact-cut), var(--contact-cut) 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
  background:
    linear-gradient(152deg, #14203c 0%, var(--ink-deep) 46%, #0a1122 100%);
  padding: 26px 22px 30px;
}

.page-contact .contact-card--primary::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: 1px solid var(--contact-ring);
  box-shadow:
    0 0 0 22px rgba(192, 116, 63, 0.07),
    0 0 0 50px rgba(192, 116, 63, 0.045),
    0 0 0 84px rgba(192, 116, 63, 0.025);
  pointer-events: none;
}

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

.page-contact .contact-card__mail,
.page-contact .contact-card__phone {
  display: block;
  margin-top: 10px;
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-card__mail {
  font-size: clamp(1.0625rem, 4.4vw, 1.75rem);
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(255, 106, 43, 0.55);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .contact-card__phone {
  font-size: clamp(1.375rem, 6vw, 2.125rem);
  line-height: 1.2;
}

.page-contact .contact-card__mail:hover,
.page-contact .contact-card__mail:focus-visible,
.page-contact .contact-card__phone:hover,
.page-contact .contact-card__phone:focus-visible {
  color: var(--signal-orange);
  border-color: var(--pulse-green);
}

.page-contact .contact-card__addr {
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .contact-card__meta {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--mist);
}

.page-contact .contact-card__meta li {
  position: relative;
  padding-left: 16px;
}

.page-contact .contact-card__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 1px;
  background: var(--signal-orange);
}

/* ---------- 反馈分类 ---------- */
.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.page-contact .feedback-item {
  min-width: 0;
  padding: 18px 18px 20px;
  background: var(--ink-deep);
  border: 1px solid var(--line-rock);
  border-left: 3px solid var(--clay);
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}

.page-contact .feedback-item:hover {
  background: var(--ink-layer);
  transform: translateY(-2px);
}

.page-contact .feedback-item--fix { border-left-color: var(--clay); }
.page-contact .feedback-item--time { border-left-color: var(--signal-orange); }
.page-contact .feedback-item--idea { border-left-color: var(--pulse-green); }
.page-contact .feedback-item--alert { border-left-color: var(--amber); }
.page-contact .feedback-item--coop { border-left-color: var(--moss); }

.page-contact .feedback-item:hover.feedback-item--fix { border-left-color: var(--clay); }
.page-contact .feedback-item:hover.feedback-item--time { border-left-color: var(--signal-orange); }
.page-contact .feedback-item:hover.feedback-item--idea { border-left-color: var(--pulse-green); }
.page-contact .feedback-item:hover.feedback-item--alert { border-left-color: var(--amber); }
.page-contact .feedback-item:hover.feedback-item--coop { border-left-color: var(--moss); }

.page-contact .feedback-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--signal-orange);
  background: rgba(23, 33, 64, 0.9);
  border: 1px solid var(--line-rock);
  border-radius: 10px;
}

.page-contact .feedback-item--idea .feedback-item__icon { color: var(--pulse-green); }
.page-contact .feedback-item--alert .feedback-item__icon { color: var(--amber); }
.page-contact .feedback-item--coop .feedback-item__icon { color: #8fbca4; }

.page-contact .feedback-item__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .feedback-item p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .feedback-item__hint {
  font-family: var(--font-data);
  font-size: 0.8125rem !important;
  color: rgba(255, 194, 75, 0.85) !important;
  padding-top: 10px;
  border-top: 1px dashed rgba(56, 68, 95, 0.9);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 26px;
}

.page-contact .contact-flow__figure {
  margin: 0;
  min-width: 0;
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  counter-reset: none;
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0 18px;
  border-top: 1px solid var(--line-rock);
}

.page-contact .flow-step:first-child {
  border-top-color: rgba(255, 106, 43, 0.45);
}

.page-contact .flow-step__no {
  font-family: var(--font-data);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--signal-orange);
  line-height: 1.2;
}

.page-contact .flow-step__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .flow-step p {
  margin: 8px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 内容互推 ---------- */
.page-contact .coop-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: 26px 20px;
  background:
    linear-gradient(140deg, rgba(78, 127, 99, 0.22), rgba(13, 20, 40, 0.9) 62%),
    var(--ink-deep);
  border: 1px solid rgba(78, 127, 99, 0.5);
  border-radius: var(--radius-card);
}

.page-contact .coop-panel__text p {
  margin: 14px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
}

.page-contact .coop-panel__specs {
  min-width: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(78, 127, 99, 0.5);
}

.page-contact .coop-panel__specs-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--paper);
  text-transform: uppercase;
}

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

.page-contact .coop-list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(56, 68, 95, 0.9);
  font-size: 0.875rem;
  color: var(--mist);
  line-height: 1.6;
}

.page-contact .coop-list__key {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-contact .coop-panel__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 0;
}

/* ---------- 提交前准备 ---------- */
.page-contact .prepare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.page-contact .prepare-card {
  position: relative;
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-layer);
  border: 1px solid var(--line-rock);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-contact .prepare-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--signal-orange), var(--pulse-green));
}

.page-contact .prepare-card__no {
  display: block;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--signal-orange);
}

.page-contact .prepare-card__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .prepare-card p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line-rock);
}

.page-contact .contact-next__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  text-decoration: none;
  background: var(--ink-deep);
  border: 1px solid var(--line-rock);
  border-radius: 12px;
  transition: border-color 0.16s ease, background 0.16s ease;
}

.page-contact .contact-next__item:hover,
.page-contact .contact-next__item:focus-visible {
  border-color: var(--signal-orange);
  background: var(--ink-layer);
}

.page-contact .contact-next__label {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-next__desc {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mist);
}

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

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

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

  .page-contact .contact-card {
    padding: 24px 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-channel__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 16px;
  }

  .page-contact .contact-card--primary {
    grid-row: span 2;
    padding: 30px 28px 34px;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .coop-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 32px;
    padding: 32px 30px;
  }

  .page-contact .coop-panel__specs {
    padding-top: 0;
    padding-left: 30px;
    border-top: 0;
    border-left: 1px solid rgba(78, 127, 99, 0.5);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 44px;
  }

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

  .page-contact .contact-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-contact .prepare-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__dot {
    animation: none;
  }

  .page-contact .feedback-item,
  .page-contact .contact-next__item,
  .page-contact .contact-card__mail,
  .page-contact .contact-card__phone {
    transition: none;
  }
}