.page-contact {
  --pc-grid-line: rgba(42, 52, 49, .5);
  --pc-panel: linear-gradient(168deg, rgba(14, 38, 32, .96), rgba(7, 21, 18, .96));
  --pc-soft: rgba(11, 31, 26, .74);
  position: relative;
  padding-bottom: clamp(3rem, 8vw, 6rem);
  background-color: var(--ink-800);
  background-image:
    linear-gradient(90deg, var(--pc-grid-line) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, var(--pc-grid-line) 0 1px, transparent 1px 100%);
  background-size: 80px 80px;
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(1.25rem, 4vw, 2.25rem) 0 clamp(1.25rem, 3vw, 2rem);
}

.page-contact .hero-frame {
  position: relative;
  margin-top: 1.25rem;
  padding: clamp(1.6rem, 4.5vw, 3.25rem) clamp(1.25rem, 4vw, 3rem) clamp(1.75rem, 4vw, 3rem);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(61, 242, 182, .13), transparent 55%),
    linear-gradient(165deg, rgba(7, 21, 18, .95), rgba(11, 31, 26, .84));
  clip-path: polygon(0 0, calc(100% - 42px) 0, 100% 42px, 100% 100%, 42px 100%, 0 calc(100% - 42px));
}

.page-contact .hero-frame::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: repeating-linear-gradient(180deg, var(--mint) 0 2px, transparent 2px 16px);
  opacity: .38;
  pointer-events: none;
}

.page-contact .hero-frame h1 {
  margin: .6rem 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .hero-frame .lede {
  margin: 1.1rem 0 0;
  max-width: 62ch;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 2.25rem;
  margin: 2rem 0 0;
  padding: 1.25rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  font-size: .84rem;
  color: var(--muted);
}

.page-contact .hero-facts .mono {
  font-size: 1.02rem;
  color: var(--mint);
  letter-spacing: .02em;
}

/* ---------- 非对称双栏 ---------- */
.page-contact .split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

/* 左侧联系卡片 */
.page-contact .contact-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--pc-panel);
  overflow: hidden;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  background: linear-gradient(225deg, var(--ink-800) 50%, transparent 50%);
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  pointer-events: none;
}

.page-contact .contact-card-figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-card-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .contact-card-body {
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .contact-card-body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .contact-card-note {
  margin: .7rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-list {
  margin: 1.4rem 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-item {
  padding: .9rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-item dt {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--moss);
  color: var(--muted);
}

.page-contact .contact-item dd {
  margin: .35rem 0 0;
  font-size: .96rem;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-item dd a {
  color: var(--mint);
  text-decoration: none;
  font-size: .93rem;
  border-bottom: 1px solid rgba(61, 242, 182, .35);
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-contact .contact-item dd a:hover,
.page-contact .contact-item dd a:focus-visible {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

.page-contact .contact-card-foot {
  margin: 1.35rem 0 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--amber);
  background: rgba(255, 179, 71, .07);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 右侧合作方向地图式网格 */
.page-contact .directions .section-head .lede {
  margin-top: .85rem;
  max-width: 56ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .direction-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 1.6rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .direction-cell {
  position: relative;
  padding: 1.4rem 1.25rem 1.5rem;
  background: var(--ink-800);
  transition: background .3s var(--ease);
}

.page-contact .direction-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--mint);
  transition: width .35s var(--ease);
}

.page-contact .direction-cell:hover::before,
.page-contact .direction-cell:focus-within::before {
  width: 100%;
}

.page-contact .direction-cell:hover,
.page-contact .direction-cell:focus-within {
  background: linear-gradient(160deg, rgba(61, 242, 182, .09), rgba(11, 31, 26, .96));
}

.page-contact .direction-code {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--mint);
}

.page-contact .direction-cell h3 {
  margin: .6rem 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.03rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .direction-cell p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 客服支持范围 ---------- */
.page-contact .support {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 21, 18, .82), transparent 78%);
}

.page-contact .section-head--split {
  display: grid;
  gap: 1rem;
}

.page-contact .section-head--split .lede {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .support-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 1.85rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .support-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .3rem 1rem;
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--line);
  background: var(--pc-soft);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .support-item:hover {
  border-color: rgba(61, 242, 182, .48);
  transform: translateY(-2px);
}

.page-contact .support-idx {
  grid-row: span 2;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--amber);
}

.page-contact .support-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .support-item p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .visit {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line);
}

.page-contact .visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-contact .visit-block {
  display: grid;
  margin-top: 1.5rem;
  padding: 1.35rem 1.35rem .6rem;
  border: 1px solid var(--line);
  background: rgba(7, 21, 18, .72);
  font-style: normal;
}

.page-contact .visit-row {
  display: grid;
  gap: .25rem;
  padding: .8rem 0;
  border-bottom: 1px solid rgba(42, 52, 49, .65);
}

.page-contact .visit-row:last-child {
  border-bottom: 0;
  padding-bottom: .55rem;
}

.page-contact .visit-label {
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .12em;
  color: var(--moss);
  color: var(--muted);
}

.page-contact .visit-line {
  font-size: .94rem;
  line-height: 1.78;
  color: var(--paper);
}

.page-contact .visit-aside {
  padding: 1.4rem 1.35rem;
  border: 1px solid rgba(255, 179, 71, .38);
  background: linear-gradient(160deg, rgba(255, 179, 71, .1), rgba(11, 31, 26, .92));
}

.page-contact .visit-clock {
  display: block;
  margin-bottom: .85rem;
  font-size: 1.12rem;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-contact .visit-aside p {
  margin: 0 0 .8rem;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .visit-aside p:last-child {
  margin-bottom: 0;
}

/* ---------- 合作流程 ---------- */
.page-contact .process {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line);
}

.page-contact .process-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 1.85rem;
}

.page-contact .process-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(7, 21, 18, .82);
  overflow: hidden;
}

.page-contact .process-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

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

.page-contact .process-steps li {
  position: relative;
  margin-left: 8px;
  padding: 0 0 1.5rem 2rem;
  border-left: 1px dashed var(--line);
}

.page-contact .process-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .process-steps li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: .38rem;
  width: 9px;
  height: 9px;
  background: var(--mint);
  transform: rotate(45deg);
}

.page-contact .process-steps li:last-child::before {
  background: var(--aqua);
}

.page-contact .step-num {
  display: inline-block;
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--mint);
}

.page-contact .process-steps h3 {
  margin: .35rem 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .process-steps p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 继续了解 ---------- */
.page-contact .next-step {
  padding-top: clamp(2rem, 5vw, 3.25rem);
  border-top: 1px solid var(--line);
}

.page-contact .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .next-card {
  display: block;
  padding: 1.35rem 1.3rem;
  background: var(--ink-800);
  text-decoration: none;
  color: var(--paper);
  transition: background .3s var(--ease);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  background: rgba(61, 242, 182, .09);
}

.page-contact .next-card .mono {
  display: block;
  margin-bottom: .55rem;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--mint);
}

.page-contact .next-card strong {
  display: block;
  font-size: .98rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .visit-row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 1rem;
  }
}

@media (min-width: 640px) {
  .page-contact .direction-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-contact .support-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-contact .section-head--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: end;
    gap: 2.5rem;
  }
}

@media (min-width: 900px) {
  .page-contact .process-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .split-grid {
    grid-template-columns: minmax(0, 372px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .direction-cell,
  .page-contact .support-item,
  .page-contact .next-card,
  .page-contact .contact-item dd a {
    transition: none;
  }

  .page-contact .direction-cell:hover,
  .page-contact .support-item:hover {
    transform: none;
  }
}