.page-contact {
  --ink-soft: #4C5C56;
  --card: #FBF8F1;
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏：夜墨绿面板 + 右侧拼贴 ---------- */
.page-contact .contact-masthead {
  position: relative;
  padding: clamp(24px, 4.4vw, 48px) 0 clamp(40px, 6vw, 80px);
  background:
    radial-gradient(120% 100% at 14% 0%, #14342C 0%, var(--night) 58%, #061310 100%);
  color: var(--cream);
  overflow: hidden;
}

.page-contact .contact-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--rule);
  background: linear-gradient(90deg,
    var(--lime) 0 20%,
    var(--blue) 20% 38%,
    rgba(226, 217, 198, .18) 38% 100%);
}

.page-contact .contact-masthead .breadcrumbs {
  color: var(--mist);
  font-size: 13px;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-contact .contact-masthead .breadcrumbs a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 60, .5);
}

.page-contact .contact-masthead .breadcrumbs a:hover {
  color: var(--lime);
}

.page-contact .masthead-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: 1fr;
}

.page-contact .contact-masthead .section-index {
  color: var(--lime);
  margin-bottom: 16px;
}

.page-contact .contact-masthead h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 6.6vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  color: var(--cream);
}

.page-contact .contact-masthead h1 em {
  display: block;
  font-style: normal;
  color: var(--lime);
}

.page-contact .masthead-lead {
  max-width: 38em;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: #D3DBD6;
}

.page-contact .masthead-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  list-style: none;
  margin: 0 0 clamp(24px, 3.2vw, 34px);
  padding: 0;
}

.page-contact .fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(182, 255, 60, .22);
  border-radius: 999px;
  background: rgba(18, 49, 43, .6);
}

.page-contact .fact-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .fact-v {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
}

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

.page-contact .masthead-media {
  margin: 0;
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: var(--rule) solid rgba(226, 217, 198, .18);
  align-self: end;
}

.page-contact .masthead-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(10, 30, 26, 0) 42%, rgba(10, 30, 26, .68) 100%);
  pointer-events: none;
}

.page-contact .masthead-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 通用章节头 ---------- */
.page-contact .section-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ember);
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  margin: 0 0 14px;
}

.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(25px, 3.8vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.page-contact .section-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 01 问题归类 ---------- */
.page-contact .issue-picker {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--cream);
}

.page-contact .issue-list {
  display: grid;
  gap: 10px;
}

.page-contact .issue {
  border: var(--rule) solid var(--edge);
  border-radius: var(--radius-m);
  background: var(--card);
  transition: border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-contact .issue[open] {
  border-color: var(--blue);
  background: #FFFFFF;
}

.page-contact .issue summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .issue summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--blue);
  text-align: center;
}

.page-contact .issue[open] summary::before {
  content: "–";
  color: var(--ember);
}

.page-contact .issue summary:hover {
  color: var(--blue-deep);
}

.page-contact .issue p {
  margin: 0;
  padding: 0 20px 20px 52px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 02 八项标签 ---------- */
.page-contact .tag-matrix {
  position: relative;
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--night);
  color: var(--cream);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .matrix-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-contact .matrix-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .17;
  filter: saturate(.4) contrast(1.1);
}

.page-contact .tag-matrix .section-index { color: var(--lime); }
.page-contact .tag-matrix .section-head h2 { color: var(--cream); }
.page-contact .tag-matrix .section-lead { color: var(--mist); }

.page-contact .tag-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .tag-card {
  position: relative;
  padding: 20px 20px 22px;
  border: var(--rule) solid rgba(182, 255, 60, .16);
  border-radius: var(--radius-m);
  background: linear-gradient(158deg, rgba(18, 49, 43, .92), rgba(10, 30, 26, .78));
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .tag-card:hover,
.page-contact .tag-card:focus-within {
  border-color: var(--lime);
  transform: translateY(-4px);
}

.page-contact .tag-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--lime);
  margin-bottom: 10px;
}

.page-contact .tag-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--cream);
}

.page-contact .tag-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 03 信息清单 ---------- */
.page-contact .intake {
  padding: clamp(48px, 7vw, 96px) 0;
  background: linear-gradient(180deg, var(--cream) 0%, #EFE8DA 100%);
}

.page-contact .intake-grid {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
  grid-template-columns: 1fr;
}

.page-contact .intake-intro h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.page-contact .intake-intro p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .intake-aside {
  padding-left: 16px;
  border-left: var(--rule) solid var(--blue);
  color: var(--ink) !important;
  font-weight: 500;
}

.page-contact .intake-code {
  margin: 0;
  padding: 22px 22px 20px;
  border-radius: var(--radius-m);
  background: var(--night);
  color: #CBEBD8;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: 0 18px 40px -28px rgba(10, 30, 26, .8);
}

.page-contact .intake-code code {
  font-family: inherit;
}

.page-contact .intake-hint {
  margin: 12px 0 0;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--ink-soft);
}

/* ---------- 04 工单时间轴 ---------- */
.page-contact .timeline {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--panel-teal);
  color: var(--cream);
}

.page-contact .timeline .section-index { color: var(--lime); }
.page-contact .timeline .section-head h2 { color: var(--cream); }
.page-contact .timeline .section-lead { color: var(--mist); }

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

.page-contact .tl-item {
  position: relative;
  padding: 0 0 clamp(26px, 3.6vw, 40px) clamp(26px, 3vw, 40px);
  border-left: var(--rule) solid rgba(226, 217, 198, .16);
}

.page-contact .tl-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .tl-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mist);
}

.page-contact .tl-item.is-live::before {
  background: var(--ember);
  box-shadow: 0 0 0 6px rgba(255, 122, 26, .2);
  animation: contactPulse 2.6s var(--ease) infinite;
}

@keyframes contactPulse {
  0%, 100% { box-shadow: 0 0 0 6px rgba(255, 122, 26, .2); }
  50% { box-shadow: 0 0 0 13px rgba(255, 122, 26, .04); }
}

.page-contact .tl-step {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--lime);
  margin-bottom: 8px;
}

.page-contact .tl-item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--cream);
}

.page-contact .tl-item p {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 05 合作洽谈 ---------- */
.page-contact .partner {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--cream);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  grid-template-columns: 1fr;
}

.page-contact .partner-card {
  position: relative;
  padding: 26px 24px 28px;
  border-radius: var(--radius-m);
  background: var(--card);
  border: var(--rule) solid var(--edge);
  border-top: 4px solid var(--blue);
}

.page-contact .partner-card:nth-child(2) { border-top-color: var(--ember); }
.page-contact .partner-card:nth-child(3) { border-top-color: var(--lime); }

.page-contact .partner-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 06 联系方式 ---------- */
.page-contact .direct {
  padding: 0 0 clamp(56px, 8vw, 104px);
  background: var(--cream);
}

.page-contact .direct-card {
  padding: clamp(26px, 4vw, 52px);
  border-radius: var(--radius-l);
  background: var(--night);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.page-contact .direct-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(80px, 18vw, 200px);
  height: 4px;
  background: var(--lime);
}

.page-contact .direct-head {
  max-width: 58ch;
  margin-bottom: clamp(22px, 3.2vw, 36px);
}

.page-contact .direct-head .section-index {
  color: var(--lime);
}

.page-contact .direct-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--cream);
}

.page-contact .direct-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .direct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .direct-item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid rgba(226, 217, 198, .14);
}

.page-contact .direct-item:first-child {
  border-top-color: rgba(182, 255, 60, .35);
}

.page-contact .direct-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ember);
}

.page-contact .direct-v {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 20px);
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-word;
  justify-self: start;
  border-bottom: 1px solid rgba(182, 255, 60, .35);
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .direct-v:hover,
.page-contact .direct-v:focus-visible {
  color: var(--cream);
  border-color: var(--cream);
}

.page-contact .direct-v--plain {
  border-bottom-color: transparent;
  color: #D3DBD6;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.75;
}

.page-contact .direct-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 52ch;
}

.page-contact .direct-foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(226, 217, 198, .14);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 60ch;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .tag-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .partner-card:nth-child(2) {
    margin-top: 20px;
  }

  .page-contact .direct-item {
    grid-template-columns: minmax(120px, 4fr) minmax(0, 8fr);
    align-items: baseline;
    column-gap: 20px;
  }

  .page-contact .direct-note {
    grid-column: 2 / 3;
  }

  .page-contact .direct-k {
    grid-row: 1 / 3;
    align-self: start;
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-contact .masthead-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .intake-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .issue-list {
    gap: 12px;
  }
}

@media (min-width: 1100px) {
  .page-contact .tag-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .tag-card:nth-child(2n) {
    margin-top: 22px;
  }

  .page-contact .tag-card:nth-child(4n) {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tl-item.is-live::before {
    animation: none;
  }

  .page-contact .tag-card {
    transition: none;
  }

  .page-contact .tag-card:hover {
    transform: none;
  }
}
<<<END>>>