.page-contact {
  color: var(--text-1);
  background: var(--abyss-950);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(36px, 8vw, 96px));
  padding-bottom: clamp(56px, 9vw, 120px);
  border-bottom: 1px solid var(--hairline);
}

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

.page-contact .pc-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .5;
}

.page-contact .pc-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(20, 80, 122, .5), transparent 62%),
    linear-gradient(180deg, rgba(4, 18, 31, .76) 0%, rgba(4, 18, 31, .9) 52%, var(--abyss-950) 100%);
}

.page-contact .pc-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(201, 214, 226, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 214, 226, .07) 1px, transparent 1px);
  background-size: 120px 120px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
}

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

.page-contact .pc-hero__title {
  margin: clamp(14px, 2.4vw, 26px) 0 0;
  max-width: 15ch;
  font-size: clamp(36px, 7.2vw, 90px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-contact .pc-hero__lede {
  margin: clamp(18px, 2.8vw, 32px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 邮箱通道 ---------- */
.page-contact .pc-channel {
  margin-top: clamp(40px, 6vw, 76px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--hairline-strong);
}

.page-contact .pc-channel__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--spark-400);
}

.page-contact .pc-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(21px, 5.1vw, 62px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}

.page-contact .pc-mail a {
  color: var(--text-1);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: .06em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-mail a:hover,
.page-contact .pc-mail a:focus-visible {
  color: var(--spark-400);
  border-bottom-color: var(--spark-400);
}

.page-contact .pc-channel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .pc-channel__hint {
  font-size: var(--fs-14);
  color: var(--text-3);
  line-height: 1.7;
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-sec-head {
  max-width: 62ch;
}

.page-contact .pc-sec-title {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.015em;
}

.page-contact .pc-sec-lede {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.3vw, 16px);
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 指引行 ---------- */
.page-contact .pc-rows {
  margin-top: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--hairline);
}

.page-contact .pc-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .pc-row__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--spark-400);
}

.page-contact .pc-row__body {
  max-width: 68ch;
}

.page-contact .pc-row__body p {
  margin: 0;
  font-size: clamp(15px, 1.3vw, 16px);
  line-height: 1.85;
  color: var(--text-2);
}

.page-contact .pc-row__body p + p {
  margin-top: 12px;
}

.page-contact .pc-row__body a {
  color: var(--spark-400);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
}

.page-contact .pc-row__body a:hover,
.page-contact .pc-row__body a:focus-visible {
  color: var(--spark-600);
  border-bottom-color: var(--spark-600);
}

.page-contact .pc-tpl {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-tpl__item {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--text-1);
  background: var(--abyss-900);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  -webkit-user-select: all;
  user-select: all;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .pc-tpl__item:hover {
  border-color: var(--hairline-strong);
  color: var(--spark-400);
}

.page-contact .pc-row__note {
  margin-top: 14px !important;
  font-size: var(--fs-14) !important;
  color: var(--text-3) !important;
}

/* ---------- 处理流程 ---------- */
.page-contact .pc-flow {
  background: linear-gradient(180deg, var(--abyss-950) 0%, var(--abyss-900) 46%, var(--abyss-950) 100%);
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
}

.page-contact .pc-flow__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
}

.page-contact .pc-flow__media img {
  border: 1px solid var(--hairline);
}

.page-contact .pc-flow__media .media__caption {
  color: var(--text-3);
}

.page-contact .pc-steps {
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-step {
  position: relative;
  margin-left: 12px;
  padding: 0 0 clamp(24px, 3vw, 34px) clamp(44px, 6vw, 60px);
  border-left: 1px solid var(--hairline);
}

.page-contact .pc-step:last-child {
  padding-bottom: 0;
}

.page-contact .pc-step__idx {
  position: absolute;
  left: -13px;
  top: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 11px;
  letter-spacing: 0;
  color: var(--spark-400);
  background: var(--abyss-900);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
}

.page-contact .pc-step__title {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-1);
}

.page-contact .pc-step p {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 合作接入 ---------- */
.page-contact .pc-partner__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-contact .pc-partner__item {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--abyss-950);
}

.page-contact .pc-partner__item h3 {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--gold-400);
}

.page-contact .pc-partner__item p {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 服务范围 ---------- */
.page-contact .pc-facts {
  margin-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--hairline);
}

.page-contact .pc-fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .pc-fact__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--text-3);
}

.page-contact .pc-fact__val {
  margin: 0;
  font-size: clamp(15px, 1.3vw, 16px);
  line-height: 1.7;
  color: var(--text-1);
  overflow-wrap: anywhere;
}

.page-contact .pc-fact__val a {
  color: var(--spark-400);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .pc-fact__val a:hover,
.page-contact .pc-fact__val a:focus-visible {
  color: var(--gold-400);
}

.page-contact .pc-tail {
  margin: clamp(36px, 4.6vw, 60px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--hairline-soft);
  font-size: var(--fs-12);
  line-height: 2;
  color: var(--text-3);
}

.page-contact .pc-tail a {
  color: var(--spark-400);
  text-decoration: none;
}

.page-contact .pc-tail a:hover,
.page-contact .pc-tail a:focus-visible {
  color: var(--gold-400);
}

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

/* ---------- 桌面 ---------- */
@media (min-width: 780px) {
  .page-contact .pc-row {
    grid-template-columns: minmax(140px, 190px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 72px);
  }

  .page-contact .pc-row__label {
    padding-top: .35em;
    text-align: right;
  }

  .page-contact .pc-fact {
    grid-template-columns: minmax(140px, 190px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 72px);
    align-items: baseline;
  }

  .page-contact .pc-fact__key {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-flow__inner {
    grid-template-columns: minmax(280px, 5fr) minmax(0, 7fr);
    gap: clamp(40px, 6vw, 88px);
  }
}

@media (max-width: 560px) {
  .page-contact .pc-mail {
    font-size: clamp(19px, 6.4vw, 30px);
  }

  .page-contact .pc-hero__title {
    max-width: 100%;
  }

  .page-contact .pc-tpl__item {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-mail a,
  .page-contact .pc-tpl__item,
  .page-contact .pc-fact__val a,
  .page-contact .pc-tail a {
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
}