.page-contact {
  --ct-pad: clamp(20px, 4vw, 44px);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(32px, 5vw, 60px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  left: -10%;
  width: 60%;
  height: 130%;
  background: radial-gradient(closest-side, rgba(107, 60, 255, 0.28), transparent 72%);
  pointer-events: none;
}

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

.page-contact .contact-hero__text h1 {
  margin: 0.34em 0 0.55em;
  font-size: clamp(32px, 6.2vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.022em;
  max-width: 15em;
}

.page-contact .contact-hero__text .lede {
  margin: 0;
  max-width: 44em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .contact-quick {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-quick li a {
  display: inline-block;
  padding: 8px 14px 8px 26px;
  position: relative;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--text-soft);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  background: rgba(107, 60, 255, 0.12);
  transition: border-color 0.22s ease, color 0.22s ease, background 0.22s ease;
}

.page-contact .contact-quick li a::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--cyan);
}

.page-contact .contact-quick li a:hover,
.page-contact .contact-quick li a:focus-visible {
  border-color: rgba(45, 225, 194, 0.65);
  color: var(--text);
  background: rgba(45, 225, 194, 0.14);
}

.page-contact .contact-hero__media {
  position: relative;
  border: 1px solid var(--line);
}

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

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 58px;
  height: 58px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  pointer-events: none;
}

/* ---------- 台面网格 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  padding-bottom: clamp(52px, 8vw, 100px);
}

.page-contact .contact-stream {
  display: grid;
  gap: clamp(38px, 5vw, 66px);
  min-width: 0;
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  position: relative;
  border: 1px solid rgba(232, 180, 74, 0.35);
  background: linear-gradient(180deg, rgba(19, 26, 58, 0.98), rgba(10, 18, 40, 0.98));
  padding: 28px 22px 24px;
  box-shadow: var(--shadow-1);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--cyan) 42%, var(--gold) 76%, var(--coral));
}

.page-contact .contact-card__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-card__row {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-card__key {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  margin-bottom: 5px;
}

.page-contact .contact-card__val {
  display: block;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__val--mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: -0.01em;
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-block {
  border-top: 1px solid var(--line);
  padding-top: clamp(28px, 4vw, 46px);
  min-width: 0;
}

.page-contact .contact-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-block__head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .contact-block h2 {
  margin: 0.3em 0 0.55em;
  font-size: clamp(23px, 3.4vw, 33px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.018em;
}

.page-contact .contact-block .lede {
  margin: 0;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .contact-block a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 225, 194, 0.4);
}

.page-contact .contact-block a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---------- 合作卡片 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 16px;
}

.page-contact .partner-card {
  position: relative;
  padding: 26px 20px 20px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(107, 60, 255, 0.14), rgba(19, 26, 58, 0.42) 58%),
    var(--ink-2);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-contact .partner-card::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 36px;
  height: 2px;
  background: var(--gold);
}

.page-contact .partner-card:nth-child(2)::after {
  background: var(--cyan);
}

.page-contact .partner-card:nth-child(3)::after {
  background: var(--purple);
}

.page-contact .partner-card:hover {
  border-color: rgba(45, 225, 194, 0.5);
  transform: translateY(-3px);
}

.page-contact .partner-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-contact .partner-card__meta {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

/* ---------- 数据带 ---------- */
.page-contact .band {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 用户支持 ---------- */
.page-contact .support-grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

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

.page-contact .support-body {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .step-list {
  list-style: none;
  counter-reset: ct-step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .step-list > li {
  position: relative;
  counter-increment: ct-step;
  padding-left: 46px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .step-list > li::before {
  content: counter(ct-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--ink);
  background: var(--cyan);
}

.page-contact .support-callout {
  margin: 0;
}

.page-contact .support-callout p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 暖纸区块 ---------- */
.page-contact .contact-block--paper {
  border-top: 0;
  background: var(--paper);
  color: var(--text-on-paper);
  padding: clamp(26px, 4vw, 44px) clamp(20px, 3vw, 40px);
  box-shadow: 0 24px 50px -40px rgba(0, 0, 0, 0.9);
}

.page-contact .contact-block--paper h2 {
  color: var(--text-on-paper);
}

.page-contact .contact-block--paper .eyebrow {
  color: var(--purple);
}

.page-contact .contact-block--paper .lede {
  color: var(--text-on-paper-dim);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-list > li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid rgba(20, 26, 46, 0.15);
}

.page-contact .prep-list__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--purple);
  padding-top: 2px;
}

.page-contact .prep-list strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .prep-list p {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-on-paper-dim);
}

/* ---------- 联系方式 ---------- */
.page-contact .reach-grid {
  display: grid;
  gap: 14px;
}

.page-contact .reach-item {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: rgba(19, 26, 58, 0.7);
}

.page-contact .reach-item__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .reach-item__val {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .reach-item__val--mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-contact .reach-item__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .reach-foot {
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: baseline;
  justify-content: space-between;
}

.page-contact .reach-foot__text {
  margin: 0;
  max-width: 52em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .reach-foot__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

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

  .page-contact .prep-list > li {
    grid-template-columns: 56px minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .contact-hero__media {
    transform: translateY(-6px);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 92px;
    align-self: start;
  }
}

@media (max-width: 520px) {
  .page-contact .contact-quick li a {
    font-size: 12px;
    padding: 7px 12px 7px 24px;
  }

  .page-contact .contact-card {
    padding: 24px 18px 20px;
  }

  .page-contact .reach-foot {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .partner-card,
  .page-contact .contact-quick li a {
    transition: none;
  }

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