/* ===================== page-contact ===================== */
.page-contact {
  --contact-ring: 0 0 0 1px var(--glass-line), 0 34px 74px -48px rgba(122, 92, 255, 0.6);
  padding-bottom: clamp(56px, 8vw, 118px);
}

/* ---------- hero ---------- */
.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 36px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 46px);
}

.page-contact h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 6.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-contact h1 .hl {
  color: var(--gold);
}

.page-contact .contact-hero__lead .lede {
  margin-top: 20px;
  max-width: 62ch;
}

.page-contact .contact-hero__card {
  border-radius: var(--radius);
  padding: clamp(20px, 2.6vw, 30px);
  box-shadow: var(--contact-ring);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero__card::before {
  content: "";
  position: absolute;
  inset: -40% 40% 60% -20%;
  background: radial-gradient(closest-side, rgba(122, 92, 255, 0.34), transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero__label {
  position: relative;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .quicklist {
  position: relative;
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .quicklist__row {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .quicklist__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .quicklist dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .quicklist dd {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__note {
  position: relative;
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 反馈入口卡 ---------- */
.page-contact .routes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 26px);
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.6vw, 32px);
  border-radius: var(--radius);
  box-shadow: var(--contact-ring);
  position: relative;
  overflow: hidden;
  transition: transform 320ms var(--ease), border-color 320ms var(--ease);
}

.page-contact .route-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--violet-deep), transparent);
  opacity: 0.7;
}

.page-contact .route-card__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .route-card__idx {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .route-card__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .route-card__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .route-card__need-label {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .route-card__needs {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .route-card__needs li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .route-card__needs li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 3px rgba(122, 92, 255, 0.18);
}

.page-contact .route-card__foot {
  margin: auto 0 0;
  padding-top: 6px;
  font-size: 14px;
}

.page-contact .route-card__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 230, 246, 0.35);
}

.page-contact .routes__figure {
  margin: clamp(26px, 3.4vw, 44px) 0 0;
}

/* ---------- 渠道 ---------- */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-contact .channels__list {
  display: grid;
  gap: 16px;
}

.page-contact .channel {
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--violet);
}

.page-contact .channel__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .channel__val {
  margin: 10px 0 0;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.page-contact .channel__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channels__privacy {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .channels__privacy a,
.page-contact .helper__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 230, 246, 0.35);
}

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

/* ---------- 流程 ---------- */
.page-contact .flow {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
}

.page-contact .flow__step {
  position: relative;
  padding: 0;
}

.page-contact .flow__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
  background: linear-gradient(150deg, rgba(122, 92, 255, 0.4), rgba(59, 36, 150, 0.6));
  border: 1px solid var(--glass-line);
  box-shadow: 0 0 26px -10px rgba(122, 92, 255, 0.9);
}

.page-contact .flow__title {
  margin: 16px 0 0;
  font-size: clamp(20px, 2.3vw, 25px);
  font-weight: 700;
}

.page-contact .flow__text {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .flow__note {
  margin: clamp(28px, 3.6vw, 46px) 0 0;
  padding: 20px 22px;
  border-radius: var(--radius-sm);
  background: rgba(19, 26, 58, 0.72);
  border: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
  max-width: 78ch;
}

/* ---------- 合作共建 ---------- */
.page-contact .partners {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .partner {
  padding: clamp(22px, 2.6vw, 30px);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(13, 19, 48, 0.95), rgba(5, 8, 26, 0.85));
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .partner__tag {
  margin: 0;
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  background: rgba(43, 230, 246, 0.08);
  border: 1px solid rgba(43, 230, 246, 0.28);
}

.page-contact .partner__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .partner__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .partner__need {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold);
}

.page-contact .partners__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 76ch;
}

/* ---------- 清单 ---------- */
.page-contact .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .checklist li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  border-radius: var(--radius-sm);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .checklist li::before {
  content: "";
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border-radius: 5px;
  border: 1.5px solid var(--cyan);
  background: linear-gradient(135deg, rgba(43, 230, 246, 0.2), rgba(43, 230, 246, 0.02));
}

.page-contact .helper {
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius);
  border-left: 3px solid var(--gold);
}

.page-contact .helper__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
  max-width: 76ch;
}

/* ---------- 悬停与焦点 ---------- */
@media (hover: hover) {
  .page-contact .route-card:hover {
    transform: translateY(-4px);
    border-color: rgba(122, 92, 255, 0.45);
  }
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .channels {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

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

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

  .page-contact .flow::before {
    content: "";
    position: absolute;
    left: 26px;
    right: 26px;
    top: 26px;
    height: 1px;
    background: linear-gradient(90deg, rgba(122, 92, 255, 0.15), var(--violet), var(--violet-deep), rgba(122, 92, 255, 0.15));
    opacity: 0.75;
  }

  .page-contact .flow__step {
    padding: 0 clamp(18px, 2.4vw, 34px);
  }

  .page-contact .flow__step:first-child {
    padding-left: 0;
  }

  .page-contact .flow__step:last-child {
    padding-right: 0;
  }

  .page-contact .flow__step + .flow__step::before {
    content: "";
    position: absolute;
    left: clamp(-2px, -0.4vw, 0px);
    top: 46px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(180deg, var(--line), transparent);
  }

  .page-contact .flow__badge {
    position: relative;
    z-index: 1;
  }
}

@media (min-width: 1060px) {
  .page-contact .routes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .route-card:nth-child(1) {
    grid-column: 1 / 6;
  }

  .page-contact .route-card:nth-child(2) {
    grid-column: 6 / 13;
    margin-top: 30px;
  }

  .page-contact .route-card:nth-child(3) {
    grid-column: 1 / 8;
  }

  .page-contact .route-card:nth-child(4) {
    grid-column: 8 / 13;
    margin-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card {
    transition: none;
  }

  .page-contact .route-card:hover {
    transform: none;
  }
}