.page-contact {
  --pc-panel: var(--paper-000);
  --pc-line: var(--hair);
  --pc-gap: clamp(20px, 3vw, 34px);
  --pc-soft: rgba(247, 249, 252, .78);
  background:
    radial-gradient(1180px 520px at 90% -12%, rgba(53, 227, 206, .11), transparent 62%),
    linear-gradient(180deg, #eef3f9 0%, #dde7f2 100%);
  color: var(--graphite);
  overflow-x: hidden;
}

.page-contact .crumbs {
  padding: 18px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 68px) 0 clamp(34px, 5.5vw, 62px);
  background: linear-gradient(118deg, var(--ink-900) 0%, var(--ink-800) 56%, #123a63 100%);
  color: var(--paper-000);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -36%;
  right: -8%;
  width: min(54%, 580px);
  height: 172%;
  background: linear-gradient(150deg, rgba(53, 227, 206, .22), rgba(53, 227, 206, 0) 72%);
  transform: skewX(-13deg);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .contact-hero .folio {
  color: var(--cyan-100);
  margin-bottom: 12px;
}

.page-contact .contact-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: #ffffff;
}

.page-contact .contact-hero__lede {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--pc-soft);
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  border: 1px solid var(--hair-dark);
  background: var(--hair-dark);
}

.page-contact .contact-hero__facts > div {
  padding: 15px 18px;
  background: rgba(7, 26, 50, .74);
}

.page-contact .contact-hero__facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-100);
}

.page-contact .contact-hero__facts dd {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 600;
  line-height: 1.4;
  color: #ffffff;
}

/* ---------- 左右分置 ---------- */
.page-contact .contact-split {
  padding: clamp(32px, 5vw, 62px) 0 clamp(26px, 4vw, 46px);
}

.page-contact .contact-split__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channels {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .channels__fig {
  margin: 0;
  aspect-ratio: 5 / 3;
}

.page-contact .channels__fig img,
.page-contact .visit__fig img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  box-shadow: var(--shadow-1);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--cyan-500);
  transition: height var(--dur) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--ink-700);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  height: 100%;
}

.page-contact .channel-card__index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-700);
}

.page-contact .channel-card__name {
  margin: 0 0 10px;
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--graphite);
}

.page-contact .channel-card__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--ink-800);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-500);
  padding-bottom: 1px;
}

.page-contact .channel-card__value a:hover {
  color: var(--cyan-deep);
}

.page-contact .channel-card__fit {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--graphite);
}

.page-contact .channel-card__note {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--pc-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey-500);
}

/* ---------- 右栏 ---------- */
.page-contact .contact-aux {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

/* 准备清单 */
.page-contact .prep {
  padding: clamp(20px, 3vw, 30px);
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  box-shadow: var(--shadow-1);
}

.page-contact .prep__kicker,
.page-contact .router__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan-deep);
}

.page-contact .prep h2,
.page-contact .router h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 25px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--graphite);
}

.page-contact .prep__lede,
.page-contact .router__lede {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--grey-500);
}

.page-contact .prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: prep;
}

.page-contact .prep__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .prep__item::before {
  counter-increment: prep;
  content: counter(prep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan-deep);
}

.page-contact .prep__item h3 {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--graphite);
}

.page-contact .prep__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--grey-500);
}

.page-contact .prep__foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey-500);
}

.page-contact .prep__foot a {
  color: var(--ink-700);
  text-decoration: underline;
  text-decoration-color: var(--cyan-500);
  text-underline-offset: 3px;
}

/* 问题分流 */
.page-contact .router {
  padding: clamp(20px, 3vw, 28px);
  background: var(--mist-200);
  border: 1px solid var(--pc-line);
}

.page-contact .router__map {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 0 12px;
}

.page-contact .router__branch {
  display: grid;
  gap: 10px;
}

.page-contact .router__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
}

/* ---------- 办公地址 ---------- */
.page-contact .visit {
  padding: clamp(26px, 4vw, 46px) 0 clamp(30px, 4.4vw, 52px);
}

.page-contact .visit__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 3.2vw, 34px);
  background: var(--paper-000);
  border: 1px solid var(--amber-500);
  box-shadow: var(--shadow-2);
}

.page-contact .visit__text .folio {
  color: var(--amber-deep);
  margin-bottom: 10px;
}

.page-contact .visit h2 {
  margin: 0 0 14px;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--graphite);
}

.page-contact .visit__address {
  display: grid;
  gap: 5px;
  margin: 0 0 14px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink-800);
  overflow-wrap: anywhere;
}

.page-contact .visit__text > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--grey-500);
}

.page-contact .visit__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
}

.page-contact .visit__list li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--pc-line);
  font-size: 14px;
  line-height: 1.66;
}

.page-contact .visit__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--grey-500);
}

.page-contact .visit__v {
  color: var(--graphite);
}

.page-contact .visit__fig {
  margin: 0;
  aspect-ratio: 10 / 7;
}

/* ---------- 场景示例 ---------- */
.page-contact .scenarios {
  padding: clamp(28px, 4.6vw, 54px) 0;
}

.page-contact .scenarios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .scenario {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  box-shadow: var(--shadow-1);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .scenario:hover {
  border-color: var(--ink-700);
  transform: translateY(-2px);
}

.page-contact .scenario__tag {
  margin: 0;
  justify-self: start;
  padding: 4px 10px;
  background: var(--cyan-100);
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-contact .scenario__poor,
.page-contact .scenario__good {
  margin: 0;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.74;
}

.page-contact .scenario__poor {
  background: var(--mist-200);
  border-left: 3px solid var(--hair);
  color: var(--grey-500);
}

.page-contact .scenario__good {
  background: rgba(168, 245, 234, .26);
  border-left: 3px solid var(--cyan-500);
  color: var(--graphite);
}

.page-contact .scenario__label {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-700);
}

/* ---------- 订阅 ---------- */
.page-contact .subscribe {
  padding: 0 0 clamp(40px, 6vw, 76px);
}

.page-contact .subscribe__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(22px, 3.4vw, 38px);
  background: linear-gradient(120deg, var(--ink-900), var(--ink-700));
  border: 1px solid var(--hair-dark);
  color: var(--paper-000);
}

.page-contact .subscribe__text .folio {
  color: var(--cyan-100);
  margin-bottom: 10px;
}

.page-contact .subscribe h2 {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: #ffffff;
}

.page-contact .subscribe__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-soft);
}

.page-contact .subscribe__action {
  display: grid;
  gap: 12px;
  align-content: center;
  justify-items: start;
}

.page-contact .subscribe__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(247, 249, 252, .68);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .contact-hero__facts {
    grid-template-columns: 1fr;
  }

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

  .page-contact .subscribe__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-contact .subscribe__action {
    justify-items: end;
    text-align: right;
  }
}

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

  .page-contact .channels {
    position: sticky;
    top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .scenario,
  .page-contact .channel-card::before {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .scenario:hover {
    transform: none;
  }
}