.page-contact {
  --contact-text: rgba(244, 248, 251, 0.78);
  --contact-edge: rgba(24, 224, 232, 0.3);
  --contact-soft: rgba(143, 163, 184, 0.2);
  overflow-x: clip;
  background: var(--c-deep);
  color: var(--c-mist);
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  margin: 0.5rem 0 1rem;
  color: var(--c-mist);
}

.page-contact p {
  line-height: 1.7;
  color: var(--contact-text);
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1.6rem, 5vw, 3.2rem) clamp(2.4rem, 6vw, 4.4rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(112deg, transparent 0 46px, rgba(24, 224, 232, 0.07) 46px 47px),
    radial-gradient(120% 90% at 90% -10%, rgba(24, 224, 232, 0.18), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 45, 122, 0.1), transparent 60%);
}

.page-contact .contact-hero__crumb {
  margin: 0 0 clamp(1.4rem, 4vw, 2.4rem);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-contact .contact-hero__crumb a {
  color: var(--c-slate);
  text-decoration: none;
}

.page-contact .contact-hero__crumb a:hover,
.page-contact .contact-hero__crumb a:focus-visible {
  color: var(--c-cyan);
}

.page-contact .contact-hero__crumb li[aria-current="page"] {
  color: var(--c-ice);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-contact .contact-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.04;
  font-size: clamp(1.95rem, 6.2vw, 3.7rem);
  margin: 0.7rem 0 0;
  text-wrap: balance;
  color: var(--c-mist);
}

.page-contact .contact-hero__intro {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  color: var(--contact-text);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__hint {
  margin: 1.3rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--c-magenta);
  font-size: 0.86rem;
  max-width: 40ch;
  color: var(--c-slate);
}

.page-contact .contact-desk {
  position: relative;
  border: 1px solid var(--contact-edge);
  border-radius: var(--radius-frame);
  background: linear-gradient(158deg, rgba(11, 30, 56, 0.96), rgba(6, 18, 37, 0.92));
  padding: clamp(1.15rem, 3vw, 1.9rem);
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.38);
}

.page-contact .contact-desk::after {
  content: "";
  position: absolute;
  top: 1.15rem;
  right: 1.15rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.16);
}

.page-contact .contact-desk__label {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}

.page-contact .contact-desk__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-desk__row {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--contact-soft);
}

.page-contact .contact-desk__row:first-child {
  border-top: 0;
  padding-top: 0.2rem;
}

.page-contact .contact-desk__key {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--c-slate);
}

.page-contact .contact-desk__value {
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.4vw, 1.16rem);
  letter-spacing: 0.01em;
  color: var(--c-ice);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .contact-desk__meta {
  font-size: 0.79rem;
  line-height: 1.5;
  color: var(--c-slate);
}

.page-contact .contact-hero__figure {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  border: 1px solid var(--contact-soft);
  border-radius: var(--radius-frame);
  overflow: hidden;
  background: var(--c-night);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  opacity: 0.82;
}

/* ---------- 客服通道 ---------- */
.page-contact .contact-help {
  padding-block: clamp(2.4rem, 6vw, 4.6rem);
}

.page-contact .contact-help__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.8rem);
}

.page-contact .contact-help__media {
  margin: 0;
  border-radius: calc(var(--radius-frame) * 0.8);
  overflow: hidden;
  border: 1px solid var(--contact-soft);
}

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

.page-contact .contact-help__body p {
  max-width: 56ch;
}

.page-contact .contact-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .contact-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.page-contact .contact-steps p {
  margin: 0;
  font-size: 0.94rem;
}

.page-contact .step-no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-lime);
  border: 1px solid rgba(198, 255, 61, 0.38);
  border-radius: var(--radius-pill);
  padding: 0.12rem 0.55rem;
  white-space: nowrap;
}

.page-contact .contact-help__tail {
  margin: 1.5rem 0 1.2rem;
  font-size: 0.94rem;
}

/* ---------- 数据快讯条 ---------- */
.page-contact .contact-flow {
  border-block: 1px solid var(--contact-soft);
  background: rgba(11, 30, 56, 0.7);
  padding-block: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--c-ice);
  overflow: hidden;
}

.page-contact .contact-flow .databar__track {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  white-space: nowrap;
}

.page-contact .contact-flow .databar__track span {
  position: relative;
  padding-left: 1.1rem;
}

.page-contact .contact-flow .databar__track span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--c-cyan);
}

/* ---------- 电话与来信 ---------- */
.page-contact .contact-lanes {
  padding-block: clamp(2.4rem, 6vw, 4.6rem);
}

.page-contact .contact-lane-list {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
}

.page-contact .contact-lane {
  display: grid;
  gap: 0.6rem;
  padding: clamp(1.1rem, 3vw, 1.7rem) 0;
  border-top: 1px solid var(--contact-soft);
}

.page-contact .contact-lane:first-child {
  border-top-color: var(--contact-edge);
}

.page-contact .contact-lane__no {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: rgba(24, 224, 232, 0.8);
}

.page-contact .contact-lane h3 {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  margin: 0 0 0.45rem;
  color: var(--c-mist);
}

.page-contact .contact-lane p {
  margin: 0 0 0.75rem;
  font-size: 0.94rem;
  max-width: 58ch;
}

.page-contact .contact-lane p.contact-lane__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.6vw, 1.26rem);
  color: var(--c-ice);
  overflow-wrap: anywhere;
  user-select: all;
}

/* ---------- 协作方向 ---------- */
.page-contact .contact-collab {
  padding-block: clamp(2.4rem, 6vw, 4.6rem);
  background: linear-gradient(180deg, rgba(6, 18, 37, 0), rgba(11, 30, 56, 0.72));
}

.page-contact .contact-collab__head p.lede {
  max-width: 54ch;
  color: var(--contact-text);
}

.page-contact .contact-collab__list {
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .contact-collab__item {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.05rem, 2.6vw, 1.6rem);
  border: 1px solid var(--contact-soft);
  border-radius: calc(var(--radius-frame) * 0.68);
  background: rgba(11, 30, 56, 0.74);
}

.page-contact .contact-collab__item:first-child {
  border-color: rgba(255, 45, 122, 0.42);
}

.page-contact .contact-collab__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(1.05rem, 2.3vw, 1.24rem);
  color: var(--c-mist);
}

.page-contact .contact-collab__item p {
  margin: 0;
  font-size: 0.92rem;
  flex: 1 1 auto;
}

.page-contact .contact-collab__item a {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(24, 224, 232, 0.5);
  padding-bottom: 2px;
}

.page-contact .contact-collab__item a:hover,
.page-contact .contact-collab__item a:focus-visible {
  color: var(--c-ice);
  border-bottom-color: var(--c-ice);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-record {
  position: relative;
  isolation: isolate;
  padding-block: clamp(2.2rem, 6vw, 4rem);
  background: var(--c-mist);
  color: var(--c-ink);
}

.page-contact .contact-record::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(112deg, transparent 0 58px, rgba(10, 10, 12, 0.045) 58px 59px);
}

.page-contact .contact-record__eyebrow {
  color: rgba(10, 10, 12, 0.62);
}

.page-contact .contact-record h2 {
  color: var(--c-ink);
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
}

.page-contact .contact-record__inner p {
  color: rgba(10, 10, 12, 0.72);
}

.page-contact .contact-record__list {
  display: grid;
  gap: 0;
  margin: 1.3rem 0 0;
}

.page-contact .contact-record__list > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1.2rem;
  padding: 0.72rem 0;
  border-bottom: 1px solid rgba(10, 10, 12, 0.12);
}

.page-contact .contact-record dt {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(10, 10, 12, 0.58);
}

.page-contact .contact-record dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-record__note {
  max-width: 62ch;
  margin: 1.2rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
}

.page-contact .contact-record__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  margin: 1.1rem 0 0;
  font-size: 0.84rem;
}

.page-contact .contact-record__links a {
  color: rgba(10, 10, 12, 0.74);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 10, 12, 0.24);
  padding-bottom: 2px;
}

.page-contact .contact-record__links a:hover,
.page-contact .contact-record__links a:focus-visible {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-record__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2.6rem;
  }

  .page-contact .contact-lane {
    grid-template-columns: 4.2rem minmax(0, 1fr);
    gap: 1.4rem;
    align-items: start;
  }

  .page-contact .contact-lane__no {
    font-size: 1.6rem;
    padding-top: 0.1rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 3rem;
  }

  .page-contact .contact-help__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
    gap: 3rem;
  }

  .page-contact .contact-hero__figure img {
    max-height: 380px;
  }

  .page-contact .contact-collab__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: start;
  }

  .page-contact .contact-collab__item:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-contact .contact-collab__item:nth-child(3) {
    margin-top: 3rem;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__lead h1 {
    max-width: 15ch;
  }

  .page-contact .contact-lane {
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 2.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-flow .databar__track {
    animation: none;
  }
}