.page-contact {
  background: var(--night);
  color: var(--fog);
}

/* ---------- 首屏联络板 ---------- */
.page-contact .contact-board {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(18px, 3vw, 30px) 0 clamp(38px, 6vw, 72px);
  border-bottom: var(--edge) solid var(--char);
  background:
    radial-gradient(circle at 84% 10%, rgba(243, 197, 107, 0.2), transparent 58%),
    linear-gradient(158deg, #082230 0%, var(--night) 46%, var(--moss) 100%);
}

.page-contact .contact-board::after {
  content: "";
  position: absolute;
  inset: auto -12% -46% 38%;
  height: 74%;
  z-index: -1;
  background: linear-gradient(115deg, transparent 0 45%, rgba(182, 255, 59, 0.14) 45% 47%, transparent 47% 100%);
  pointer-events: none;
}

.page-contact .contact-board__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-board__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.75);
}

.page-contact .contact-board__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-contact .contact-board__title {
  margin: 14px 0 0;
  font-weight: 300;
  font-size: clamp(42px, 8.5vw, 88px);
  line-height: 0.95;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-contact .contact-board__lead {
  max-width: 54ch;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  color: var(--grey);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 30px);
  background: var(--moss);
  border: var(--edge) solid var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-card .panel__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-contact .contact-card__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid rgba(244, 247, 241, 0.16);
}

.page-contact .contact-card__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-contact .contact-card__val {
  font-size: clamp(14px, 3.6vw, 17px);
  font-weight: 700;
  color: var(--fog);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.5;
}

.page-contact .contact-card__val--tel {
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-contact .contact-card__val:hover,
.page-contact .contact-card__val:focus-visible {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(243, 197, 107, 0.4);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 四类咨询入口 ---------- */
.page-contact .contact-routes {
  display: grid;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .contact-route {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 18px 18px 20px;
  background: var(--slate);
  border: var(--edge) solid var(--char);
  box-shadow: var(--shadow-hard-sm);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .contact-route:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--char);
}

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

.page-contact .contact-route__title {
  margin: 0;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-contact .contact-route__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .contact-route__tag {
  margin-top: 4px;
}

/* ---------- 响应节奏 ---------- */
.page-contact .contact-timing {
  background: var(--moss);
  border-bottom: var(--edge) solid var(--char);
}

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

.page-contact .timing-grid__lead {
  max-width: 58ch;
  margin: 16px 0 0;
  color: var(--grey);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-contact .resp-line {
  position: relative;
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .resp-line::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime), var(--cyan), var(--gold));
}

.page-contact .resp-line__item {
  position: relative;
  padding-left: 32px;
}

.page-contact .resp-line__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--lime);
  box-shadow: 0 0 0 3px rgba(182, 255, 59, 0.16);
}

.page-contact .resp-line__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-contact .resp-line__title {
  margin: 6px 0 6px;
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 800;
  color: var(--fog);
}

.page-contact .resp-line__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .resp-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 26px 0 0;
  padding: 14px 16px;
  background: rgba(255, 138, 76, 0.1);
  border-left: 3px solid var(--alert);
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .timing-grid__media .figure {
  margin: 0;
}

.page-contact .timing-grid__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .timing-grid__media .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 邮箱与电话 ---------- */
.page-contact .contact-channels {
  background: var(--night);
}

.page-contact .contact-channels__lead {
  max-width: 60ch;
  margin: 16px 0 0;
  color: var(--grey);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .channel {
  padding: clamp(20px, 3vw, 30px);
  background: var(--slate);
  border: var(--edge) solid var(--char);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .channel--phone {
  background: linear-gradient(160deg, var(--moss), var(--slate) 72%);
  border-color: var(--lime);
}

.page-contact .channel__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .channel__title {
  margin: 10px 0 12px;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-contact .channel__value {
  display: inline-block;
  margin-bottom: 14px;
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 700;
  color: var(--lime);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 2px solid rgba(182, 255, 59, 0.4);
  padding-bottom: 2px;
}

.page-contact .channel__value--tel {
  letter-spacing: 0.06em;
}

.page-contact .channel__value:hover,
.page-contact .channel__value:focus-visible {
  border-bottom-color: var(--lime);
}

.page-contact .channel__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

.page-contact .channel__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(244, 247, 241, 0.18);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

/* ---------- 提交前准备 ---------- */
.page-contact .contact-prep {
  background:
    linear-gradient(180deg, rgba(10, 42, 35, 0.9), var(--night) 70%);
  border-top: var(--edge) solid var(--char);
  border-bottom: var(--edge) solid var(--char);
}

.page-contact .prep-head {
  display: grid;
  gap: 14px;
}

.page-contact .prep-head__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--moss);
  border: var(--edge) solid var(--slate);
}

.page-contact .prep-item__box {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 2px solid var(--lime);
  display: grid;
  place-items: center;
}

.page-contact .prep-item__box::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--lime);
}

.page-contact .prep-item__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  color: var(--fog);
}

.page-contact .prep-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 合作与通信地址 ---------- */
.page-contact .contact-partner {
  background: var(--night);
}

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

.page-contact .partner-grid__body > p {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--grey);
  max-width: 58ch;
}

.page-contact .partner-topic {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--slate);
  border-left: 3px solid var(--cyan);
}

.page-contact .partner-topic__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .partner-topic__format {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.8vw, 16px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-contact .partner-topic__example {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .partner-grid__links {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .contact-file {
  padding: clamp(20px, 3vw, 28px);
  background: var(--moss);
  border: var(--edge) solid var(--char);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-file .panel__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .contact-file__address {
  margin: 0 0 6px;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 800;
  line-height: 1.6;
  color: var(--fog);
}

.page-contact .contact-file__row {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-top: 1px solid rgba(244, 247, 241, 0.14);
}

.page-contact .contact-file__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-contact .contact-file__val {
  font-size: 14px;
  font-weight: 700;
  color: var(--fog);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.55;
}

.page-contact .contact-file__val:hover,
.page-contact .contact-file__val:focus-visible {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-file__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(243, 197, 107, 0.32);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 返回答疑索引 ---------- */
.page-contact .contact-back {
  padding: clamp(28px, 4vw, 46px) 0 clamp(34px, 5vw, 58px);
  border-top: var(--edge) solid var(--char);
  background:
    linear-gradient(100deg, rgba(243, 197, 107, 0.16), transparent 62%),
    var(--moss);
}

.page-contact .contact-back__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .back-link {
  display: block;
  padding: 12px 16px;
  background: rgba(6, 26, 36, 0.6);
  border: 1px solid rgba(244, 247, 241, 0.18);
  color: var(--fog);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .back-link:hover,
.page-contact .back-link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  transform: translateX(3px);
}

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

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

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

  .page-contact .prep-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 24px;
  }

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

@media (min-width: 900px) {
  .page-contact .timing-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .resp-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .resp-line::before {
    left: 6px;
    right: 6px;
    top: 14px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--lime), var(--cyan), var(--gold));
  }

  .page-contact .resp-line__item {
    padding-left: 0;
    padding-top: 36px;
  }

  .page-contact .resp-line__item::before {
    left: 0;
    top: 6px;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-board__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-routes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

  .page-contact .contact-route:hover,
  .page-contact .back-link:hover {
    transform: none;
  }
}