.page-contact {
  --ct-line: rgba(176, 196, 222, .16);
  --ct-line-strong: rgba(176, 196, 222, .32);
  --ct-gap: clamp(18px, 2.4vw, 34px);
  display: block;
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-contact .section {
  margin-top: clamp(44px, 6.5vw, 84px);
}

/* ── 首屏：非对称联系方式栅格 ── */
.page-contact .contact-section .section__head {
  max-width: 62ch;
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .contact-stack {
  display: grid;
  gap: clamp(14px, 1.6vw, 20px);
  align-content: start;
}

.page-contact .contact-tile {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(19, 47, 76, .95), rgba(10, 30, 60, .95));
  overflow: hidden;
}

.page-contact .contact-tile--dial {
  border-color: rgba(255, 107, 53, .42);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-tile--dial::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--c-accent), rgba(255, 107, 53, 0));
}

.page-contact .contact-tile__label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--text-3);
}

.page-contact .contact-tile__label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, .18);
}

.page-contact .contact-tile:not(.contact-tile--dial) .contact-tile__label::before {
  background: var(--c-mist);
  box-shadow: 0 0 0 3px rgba(176, 196, 222, .14);
}

.page-contact .contact-tile__value {
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: .01em;
  color: var(--text-1);
  overflow-wrap: anywhere;
}

.page-contact .contact-tile__value--mail {
  font-size: clamp(14px, 1.9vw, 19px);
  font-weight: 600;
  letter-spacing: 0;
}

.page-contact .contact-tile__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-contact .contact-aside {
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
  align-content: start;
}

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

.page-contact .figure__frame {
  overflow: hidden;
}

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

.page-contact .route-panel {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--ct-line-strong);
  border-radius: var(--r-lg);
  background: rgba(19, 47, 76, .62);
}

.page-contact .route-panel__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 21px);
  color: var(--text-1);
}

.page-contact .route-panel p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .route-panel .route-panel__note {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-slate);
}

/* ── 地址与到访 ── */
.page-contact .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .visit-body {
  align-self: center;
}

.page-contact .visit-address {
  display: inline-block;
  margin: 0 0 16px;
  padding: 11px 18px;
  border: 1px dashed var(--ct-line-strong);
  border-radius: var(--r-md);
  background: rgba(10, 30, 60, .5);
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.5vw, 15px);
  letter-spacing: .04em;
  color: var(--c-mist);
  overflow-wrap: anywhere;
}

.page-contact .visit-intro {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-contact .visit-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .visit-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 9px;
  height: 2px;
  background: var(--c-slate);
}

/* ── 合作与渠道 ── */
.page-contact .coop-panel {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(255, 107, 53, .26);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 107, 53, .16), rgba(255, 107, 53, 0) 58%),
    linear-gradient(180deg, #132F4C, #0A1E3C);
}

.page-contact .coop-panel h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 3.2vw, 34px);
  color: var(--text-1);
}

.page-contact .coop-lead {
  margin: 0;
  max-width: 74ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-contact .coop-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 26px);
  margin: clamp(22px, 3vw, 34px) 0;
}

.page-contact .coop-step {
  padding-top: 14px;
  border-top: 2px solid var(--c-accent);
}

.page-contact .coop-step__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-accent);
}

.page-contact .coop-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--text-1);
}

.page-contact .coop-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-contact .coop-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── 问题提交指引 ── */
.page-contact .ask-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ask-grid .fold {
  padding: 2px 18px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-md);
  background: var(--c-ink-2);
  transition: border-color var(--t-fast);
}

.page-contact .ask-grid .fold[open] {
  border-color: var(--ct-line-strong);
}

.page-contact .ask-grid summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 17px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
  cursor: pointer;
  list-style: none;
}

.page-contact .ask-grid summary::-webkit-details-marker {
  display: none;
}

.page-contact .ask-grid summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-accent);
}

.page-contact .ask-grid details[open] summary::after {
  content: "–";
}

.page-contact .ask-grid .fold__body {
  padding: 0 0 20px;
}

.page-contact .ask-grid .fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-contact .prep {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .prep li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  color: var(--c-mist);
}

.page-contact .prep li .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-slate);
}

/* ── 收尾说明 ── */
.page-contact .contact-close {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--ct-line);
}

.page-contact .contact-close p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
}

.page-contact .contact-close a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, .45);
}

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

/* ── 断点 ── */
@media (min-width: 780px) {
  .page-contact .coop-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-contact .split--media-left {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-contact .contact-tile--dial .contact-tile__value {
    font-size: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ask-grid .fold {
    transition: none;
  }
}
</PAGE_CSS>>>