.page-contact {
  --pc-band-gap: clamp(1rem, 2.6vw, 2rem);
  display: block;
}

/* ---------- 面包屑微调 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(1rem, 2.4vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1.25rem, 3.4vw, 2.5rem) clamp(2.25rem, 5.5vw, 4.5rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  z-index: -1;
  width: min(58%, 720px);
  height: min(62%, 430px);
  background: linear-gradient(148deg, rgba(53, 214, 224, .16), rgba(53, 214, 224, 0) 72%);
  clip-path: polygon(0 0, 100% 0, 64% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .hero-head {
  max-width: 52rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .hero-head h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 6.2vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--text);
  margin: .55rem 0 0;
}

.page-contact .hero-head .lede {
  margin: 1.05rem 0 0;
  max-width: 44rem;
  color: var(--muted);
  font-size: clamp(.94rem, 1.6vw, 1.05rem);
  line-height: 1.8;
}

/* ---------- 错位信息板 ---------- */
.page-contact .contact-board {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--abyss);
  box-shadow: var(--shadow-glass);
}

.page-contact .board-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-contact .board-texture {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.62) contrast(1.06);
}

.page-contact .board-glow::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg,
    rgba(7, 11, 24, .95) 0%,
    rgba(7, 11, 24, .76) 46%,
    rgba(14, 21, 38, .95) 100%);
}

.page-contact .board-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.15rem, 3.2vw, 2.6rem);
}

.page-contact .board-title {
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
  margin: 0 0 1rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--line);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-contact .channel {
  display: grid;
  gap: .45rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan-deep);
  border-radius: var(--radius-md);
  background: rgba(14, 21, 38, .74);
  transition: border-color .28s var(--ease), border-left-color .28s var(--ease),
              background-color .28s var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--line-strong);
  border-left-color: var(--cyan);
  background: rgba(20, 30, 52, .88);
}

.page-contact .channel-name {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.84rem, 1.5vw, .94rem);
  letter-spacing: .04em;
  color: var(--gold-soft);
  overflow-wrap: anywhere;
}

.page-contact .channel-note {
  margin: 0;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--muted-dim);
}

.page-contact .channel-jump {
  justify-self: start;
  margin-top: .15rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .07em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .25s var(--ease);
}

.page-contact .channel-jump:hover,
.page-contact .channel-jump:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 提交步骤 ---------- */
.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
}

.page-contact .step-num {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(227, 178, 90, .34);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--gold);
  padding-top: 1px;
}

.page-contact .step-name {
  margin: 0 0 .3rem;
  font-size: .98rem;
  font-weight: 600;
  color: var(--text);
}

.page-contact .step-text {
  margin: 0;
  font-size: .86rem;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 地址与备案对切色块 ---------- */
.page-contact .locale-band {
  margin-top: var(--pc-band-gap);
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .locale-formal {
  background: var(--paper);
  color: var(--formal-blue);
  padding: clamp(1.3rem, 3.4vw, 2.6rem);
}

.page-contact .locale-formal .eyebrow {
  color: rgba(16, 39, 92, .58);
}

.page-contact .locale-formal h2 {
  margin: .4rem 0 .8rem;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 700;
  color: var(--formal-blue);
}

.page-contact .locale-address {
  margin: 0;
  font-size: clamp(.95rem, 1.8vw, 1.06rem);
  font-weight: 500;
  line-height: 1.72;
  color: var(--formal-blue);
}

.page-contact .locale-note {
  margin: .9rem 0 0;
  font-size: .82rem;
  line-height: 1.72;
  color: rgba(16, 39, 92, .66);
}

.page-contact .locale-deep {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: center;
  background: var(--formal-blue);
  color: var(--paper);
  padding: clamp(1.3rem, 3.4vw, 2.6rem);
}

.page-contact .locale-art {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-contact .locale-art img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .38;
}

.page-contact .locale-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(16, 39, 92, .82), rgba(16, 39, 92, .96));
}

.page-contact .locale-deep > *:not(.locale-art) {
  position: relative;
  z-index: 1;
}

.page-contact .locale-deep .eyebrow {
  color: var(--gold);
}

.page-contact .locale-deep h2 {
  margin: .4rem 0 .8rem;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .icp-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.94rem, 2vw, 1.12rem);
  letter-spacing: .06em;
  color: var(--paper);
}

.page-contact .locale-note--dark {
  color: rgba(247, 249, 252, .7);
}

/* ---------- 协作事务 ---------- */
.page-contact .partner {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .section-head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .section-head .section-title {
  margin: .5rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.8vw, 2.25rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .section-head .lede {
  margin: .9rem 0 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(.85rem, 2vw, 1.25rem);
}

.page-contact .partner-card {
  position: relative;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(14, 21, 38, .68);
  transition: transform .3s var(--ease), border-color .3s var(--ease),
              background-color .3s var(--ease);
}

.page-contact .partner-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(20, 30, 52, .84);
}

.page-contact .partner-card--gold { border-top-color: var(--gold); }
.page-contact .partner-card--cyan { border-top-color: var(--cyan); }
.page-contact .partner-card--paper { border-top-color: var(--paper); }

.page-contact .partner-card h3 {
  margin: .7rem 0 .55rem;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .partner-text {
  margin: 0;
  font-size: .86rem;
  line-height: 1.76;
  color: var(--muted);
}

.page-contact .partner-meta {
  margin: .9rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .07em;
  color: var(--muted-dim);
}

/* ---------- 处理顺序 ---------- */
.page-contact .order-section {
  position: relative;
  isolation: isolate;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .order-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(14, 21, 38, 0), rgba(14, 21, 38, .62));
  pointer-events: none;
}

.page-contact .order-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .order-item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0 1rem;
  padding: 1.25rem 0 1.45rem;
  border-top: 1px solid var(--line);
  transition: background-color .3s var(--ease);
}

.page-contact .order-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .order-item:hover {
  background: rgba(27, 36, 56, .38);
}

.page-contact .order-idx {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: .2rem;
}

.page-contact .order-body h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-head);
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  font-weight: 700;
  color: var(--text);
}

.page-contact .order-body p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .order-link {
  display: inline-block;
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .07em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 178, 90, .34);
  padding-bottom: 2px;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-contact .order-link:hover,
.page-contact .order-link:focus-visible {
  border-bottom-color: var(--gold);
  color: var(--gold-soft);
}

/* ---------- 相关页面胶囊 ---------- */
.page-contact .page-links {
  padding: clamp(1.5rem, 4vw, 2.4rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-contact .page-links-label {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-dim);
}

.page-contact .page-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .7rem;
}

.page-contact .page-links a {
  display: inline-block;
  padding: .5rem .95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .84rem;
  color: var(--muted);
  text-decoration: none;
  transition: border-color .25s var(--ease), color .25s var(--ease),
              background-color .25s var(--ease);
}

.page-contact .page-links a:hover,
.page-contact .page-links a:focus-visible {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(27, 36, 56, .62);
}

/* ---------- 桌面端错位布局 ---------- */
@media (min-width: 900px) {
  .page-contact .board-grid {
    grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
    gap: clamp(1.75rem, 4vw, 3.25rem);
    padding: clamp(1.75rem, 3.6vw, 3rem);
  }

  .page-contact .board-right {
    padding-top: 2.6rem;
    padding-left: clamp(1.5rem, 3vw, 2.75rem);
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 880px) {
  .page-contact .locale-band {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 780px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-contact .order-item {
    grid-template-columns: minmax(0, 1fr);
    gap: .35rem;
  }

  .page-contact .order-idx {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .partner-card,
  .page-contact .order-item,
  .page-contact .channel-jump,
  .page-contact .order-link,
  .page-contact .page-links a {
    transition: none;
  }

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