.page-contact {
  --contact-cut: 18px;
  --contact-glow-warm: rgba(255, 107, 44, .16);
  --contact-glow-cool: rgba(45, 226, 230, .14);
}

/* ---------- 首屏：框景 + 路径图 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(2.25rem, 5vw, 4.5rem);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -10% -5%;
  pointer-events: none;
  background:
    radial-gradient(48% 46% at 88% 6%, var(--contact-glow-warm), transparent 72%),
    radial-gradient(46% 44% at 2% 96%, var(--contact-glow-cool), transparent 74%);
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 1.5rem;
}

.page-contact .contact-hero__frame {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: linear-gradient(158deg, rgba(26, 42, 58, .92), rgba(10, 15, 30, .68));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(
    0 0,
    calc(100% - var(--contact-cut)) 0,
    100% var(--contact-cut),
    100% 100%,
    var(--contact-cut) 100%,
    0 calc(100% - var(--contact-cut))
  );
}

.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: var(--contact-cut);
  width: min(140px, 34%);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon));
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-contact .contact-hero__hint {
  margin: 1.25rem 0 0;
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: var(--text-mute);
}

.page-contact .contact-hero__media {
  margin: 0;
}

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

/* ---------- 快速联系卡：错位三列 ---------- */
.page-contact .quick-cards {
  display: grid;
  gap: 1rem;
  padding-bottom: .5rem;
}

.page-contact .quick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
}

.page-contact .quick-card__idx {
  font-size: var(--step--1);
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .quick-card h3 {
  margin: 0;
}

.page-contact .quick-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-0);
  line-height: 1.7;
}

/* ---------- 大号等宽联系方式 ---------- */
.page-contact .channels {
  display: grid;
  gap: 1rem;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  overflow: hidden;
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 72px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.page-contact .channel__label {
  margin: 0;
  font-size: var(--step--1);
  letter-spacing: .2em;
  color: var(--text-mute);
}

.page-contact .channel__value {
  margin: 0;
  font-size: clamp(1.2rem, .78rem + 2.4vw, 2.05rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: .35rem;
}

.page-contact .channel__note {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-0);
  line-height: 1.7;
}

/* ---------- 地址与备案 ---------- */
.page-contact .addr {
  position: relative;
}

.page-contact .addr__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-contact .addr__text > p {
  color: var(--text-dim);
  font-size: var(--step-0);
  line-height: 1.75;
}

.page-contact .addr__list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-contact .addr__list li {
  display: grid;
  gap: .3rem;
  padding: .9rem 1rem;
  background: rgba(245, 234, 215, .055);
  border-left: 3px solid var(--neon);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .addr__list .mono {
  font-size: var(--step--1);
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .addr__value {
  color: var(--white);
  font-size: var(--step-0);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-contact .addr__note {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--line-strong);
  color: var(--text-mute);
  font-size: var(--step--1);
  line-height: 1.7;
}

.page-contact .addr__media {
  margin: 0;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  padding: clamp(1.35rem, 2.6vw, 1.9rem);
  border-top: 2px solid var(--line-strong);
}

.page-contact .partner-card h3 {
  margin: 0;
}

.page-contact .partner-card > p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-0);
  line-height: 1.72;
}

.page-contact .partner-card__ask {
  margin-top: auto;
  padding-top: .85rem;
  border-top: 1px dashed var(--line-soft);
  font-size: var(--step--1);
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 响应说明折叠区 ---------- */
.page-contact .resp-stack {
  display: grid;
  gap: .75rem;
  max-width: 940px;
}

.page-contact .resp-stack .disclosure-panel-inner p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-0);
  line-height: 1.78;
}

/* ---------- 后续指引 ---------- */
.page-contact .next-strip {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .next-strip h2 {
  margin: 0 0 .5rem;
}

.page-contact .next-strip p {
  margin: 0;
  color: var(--text-dim);
  font-size: var(--step-0);
  line-height: 1.7;
}

.page-contact .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .next-links a {
  display: block;
  padding: .85rem 1rem;
  color: var(--white);
  text-decoration: none;
  font-size: var(--step-0);
  background: rgba(45, 226, 230, .05);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%);
  transition: color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible {
  color: var(--cyan);
  background: rgba(45, 226, 230, .1);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .quick-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }

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

  .page-contact .addr__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  }

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

  .page-contact .next-strip {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: center;
  }

  .page-contact .quick-cards {
    padding-bottom: 2.75rem;
  }

  .page-contact .quick-cards > :nth-child(2) {
    transform: translateY(1.15rem);
  }

  .page-contact .quick-cards > :nth-child(3) {
    transform: translateY(2.3rem);
  }

  .page-contact .quick-cards > :nth-child(2):hover,
  .page-contact .quick-cards > :nth-child(3):hover {
    transform: translateY(calc(1.15rem - 3px));
  }

  .page-contact .quick-cards > :nth-child(3):hover {
    transform: translateY(calc(2.3rem - 3px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .quick-cards > * {
    transform: none !important;
  }

  .page-contact .next-links a {
    transition: none;
  }
}
<<<END>>>