.page-contact {
  --cc-line: var(--blue-line);
  --cc-panel: var(--night-2);
  --cc-hair: rgba(44, 66, 112, .7);
  color: var(--mist);
  font-family: var(--f-body);
  position: relative;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-family: var(--f-display);
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--mist);
}

.page-contact h1 {
  font-size: clamp(30px, 5.4vw, 52px);
  font-weight: 900;
}

.page-contact h2 {
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
}

.page-contact h3 {
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 800;
}

.page-contact p {
  margin: 0;
  line-height: 1.75;
}

.page-contact .eyebrow {
  color: var(--gold);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 20px 0 8px;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .contact-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-contact .contact-hero__lead {
  max-width: 58ch;
  color: var(--steel);
  font-size: 16px;
}

.page-contact .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--cc-line);
  background: rgba(18, 34, 74, .55);
}

.page-contact .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 15px;
  border-bottom: 1px solid var(--cc-hair);
}

.page-contact .hero-facts li:last-child {
  border-bottom: 0;
}

.page-contact .hero-facts .num {
  font-family: var(--f-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.page-contact .hero-facts li > span:last-child {
  font-size: 12px;
  color: var(--steel);
  letter-spacing: .04em;
}

.page-contact .hero-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .hero-jump a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--cc-line);
  color: var(--steel);
  font-size: 13px;
  text-decoration: none;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .hero-jump a:hover {
  color: var(--night);
  background: var(--gold);
  border-color: var(--gold);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: var(--frame) solid var(--cc-line);
  background: var(--grad-panel);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

.page-contact .contact-hero__figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  background: var(--grad-ember);
  color: #20140a;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}

/* ---------- 通用区块与标题行 ---------- */
.page-contact .contact-section {
  padding: 50px 0;
}

.page-contact .section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 26px;
  border-bottom: 2px solid var(--cc-line);
}

.page-contact .section-note {
  color: var(--steel);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 三条渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  background: var(--slate);
  border: 2px solid var(--cc-line);
  box-shadow: var(--shadow-1);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--ember);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card--mail {
  background: var(--cc-panel);
  border-width: 3px;
  border-color: var(--ember);
}

.page-contact .channel-card--phone {
  border-width: 2px;
}

.page-contact .channel-card--addr {
  border-width: 1px;
  background: transparent;
  box-shadow: none;
}

.page-contact .channel-desc {
  color: var(--steel);
  font-size: 14px;
}

.page-contact .channel-value {
  font-family: var(--f-mono);
  font-size: clamp(14px, 2.4vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--gold);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .channel-value--phone {
  font-size: clamp(24px, 5vw, 30px);
  letter-spacing: .01em;
  color: var(--mist);
}

.page-contact .channel-value--addr {
  font-family: var(--f-display);
  font-size: clamp(16px, 2.6vw, 19px);
  font-weight: 800;
  color: var(--mist);
  word-break: normal;
  line-height: 1.6;
}

.page-contact .channel-meta {
  font-size: 12.5px;
  color: var(--steel);
  line-height: 1.7;
  border-top: 1px dashed var(--cc-hair);
  padding-top: 10px;
  margin-top: auto;
}

.page-contact .copy-btn {
  align-self: flex-start;
  padding: 6px 14px;
  border: 1px solid var(--cc-line);
  background: transparent;
  color: var(--steel);
  font-family: var(--f-body);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-contact .copy-btn:hover {
  color: var(--night);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- 问题分类 ---------- */
.page-contact .contact-section--band {
  background: linear-gradient(180deg, rgba(18, 34, 74, .88), rgba(10, 23, 48, 0));
  border-top: 1px solid var(--cc-line);
  border-bottom: 1px solid var(--cc-line);
}

.page-contact .type-switch .accordion__item {
  margin-bottom: 10px;
  border: 1px solid var(--cc-line);
  background: var(--cc-panel);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .type-switch .accordion__item[data-open] {
  border-color: var(--ember);
  border-left-width: 4px;
  background: linear-gradient(180deg, rgba(255, 107, 44, .12), rgba(18, 34, 74, .92));
}

.page-contact .type-switch .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 15px 18px;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  color: var(--mist);
  font-family: var(--f-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .type-switch .type-no {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .06em;
}

.page-contact .type-switch .type-name {
  flex: 1;
}

.page-contact .type-switch .accordion__icon {
  margin-left: auto;
}

.page-contact .type-switch .accordion__panel {
  padding: 0 18px 18px;
}

.page-contact .type-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 4px;
}

.page-contact .type-panel__label {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-contact .type-panel ul {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 14.5px;
  color: var(--mist);
}

.page-contact .type-panel li::marker {
  color: var(--ember);
}

.page-contact .type-panel__sample {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 12px;
  border-left: 3px solid var(--gold);
  background: rgba(232, 180, 74, .09);
  color: var(--gold);
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .type-panel__sample span {
  font-family: var(--f-body);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-contact .type-panel__hint {
  font-size: 13px;
  color: var(--steel);
}

/* ---------- 邮件模板 ---------- */
.page-contact .template-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .template-parts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .template-parts li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 5px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--cc-hair);
}

.page-contact .template-parts li:first-child {
  padding-top: 4px;
}

.page-contact .template-parts .num {
  grid-row: span 2;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ember);
  letter-spacing: .04em;
  padding-top: 4px;
}

.page-contact .template-parts h3 {
  font-size: 16px;
}

.page-contact .template-parts p {
  grid-column: 2;
  color: var(--steel);
  font-size: 14px;
}

.page-contact .template-sample {
  border: 2px solid var(--cc-line);
  background: var(--cc-panel);
  box-shadow: var(--shadow-1);
}

.page-contact .template-sample__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--cc-line);
  background: linear-gradient(100deg, rgba(255, 138, 61, .14), rgba(232, 180, 74, .06));
}

.page-contact .mail-template {
  margin: 0;
  padding: 18px 16px;
  max-height: 420px;
  overflow: auto;
  background: transparent;
  color: var(--mist);
  font-family: var(--f-mono);
  font-size: 12.5px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .flow__figure {
  margin: 0;
  border: var(--frame) solid var(--cc-line);
  background: var(--grad-panel);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

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

.page-contact .flow__steps .accordion__item {
  border-bottom: 1px solid var(--cc-hair);
}

.page-contact .flow__steps .accordion__item:first-child {
  border-top: 1px solid var(--cc-hair);
}

.page-contact .flow__steps .accordion__trigger {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 14px;
  width: 100%;
  padding: 18px 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  color: var(--mist);
}

.page-contact .flow__steps .step-no {
  font-family: var(--f-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ember);
  transition: color .2s var(--ease);
}

.page-contact .flow__steps .accordion__item[data-open] .step-no {
  color: var(--ember);
  -webkit-text-stroke: 0;
}

.page-contact .flow__steps .step-title {
  flex: 1;
  min-width: 100px;
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .flow__steps .step-time {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--gold);
  white-space: nowrap;
  padding: 2px 8px;
  border: 1px solid rgba(232, 180, 74, .4);
}

.page-contact .flow__steps .accordion__icon {
  margin-left: auto;
  align-self: center;
}

.page-contact .flow__steps .accordion__panel {
  padding: 0 0 18px 40px;
}

.page-contact .step-text {
  color: var(--steel);
  font-size: 14.5px;
  max-width: 58ch;
}

/* ---------- 合作与供稿 ---------- */
.page-contact .partner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 26px 22px;
  border: 2px solid var(--cc-line);
  background: var(--grad-panel);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-contact .partner::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad-ember);
}

.page-contact .partner__copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  padding-top: 8px;
}

.page-contact .partner__copy p {
  color: var(--steel);
  font-size: 14.5px;
  max-width: 52ch;
}

.page-contact .partner__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-left: 18px;
  border-left: 3px solid var(--ember);
}

.page-contact .partner__list-title {
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .partner__list ul {
  margin: 0;
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .partner__list li::marker {
  color: var(--ember);
}

.page-contact .partner__note {
  font-size: 12.5px;
  color: var(--steel);
  line-height: 1.75;
}

/* ---------- 常见提交问题 ---------- */
.page-contact .pitfall-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .pitfall {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--slate);
  border: 1px solid var(--cc-line);
  border-left: 4px solid rgba(228, 87, 61, .75);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .pitfall:hover {
  transform: translateY(-3px);
  border-left-color: var(--gold);
}

.page-contact .pitfall h3 {
  font-size: 16px;
  color: var(--mist);
}

.page-contact .pitfall p {
  color: var(--steel);
  font-size: 14px;
}

/* ---------- 收尾地址块 ---------- */
.page-contact .contact-tail {
  padding: 50px 0 64px;
  margin-top: 12px;
  border-top: 1px solid var(--cc-line);
}

.page-contact .contact-tail h2 {
  font-size: clamp(20px, 3vw, 26px);
  margin-bottom: 22px;
}

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

.page-contact .tail-list li {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--cc-hair);
  align-items: baseline;
}

.page-contact .tail-label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-contact .tail-val {
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--mist);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-contact .tail-note {
  margin-top: 20px;
  color: var(--steel);
  font-size: 13.5px;
  line-height: 1.8;
  max-width: 62ch;
}

.page-contact .tail-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 22px;
}

.page-contact .link-plain {
  color: var(--steel);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid var(--cc-hair);
  padding-bottom: 2px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .link-plain:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .hero-facts li {
    border-bottom: 0;
    border-right: 1px solid var(--cc-hair);
  }

  .page-contact .hero-facts li:last-child {
    border-right: 0;
  }

  .page-contact .pitfall-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pitfall:nth-child(2),
  .page-contact .pitfall:nth-child(4) {
    margin-top: 24px;
  }
}

@media (min-width: 768px) {
  .page-contact .section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
  }

  .page-contact .section-note {
    max-width: 34ch;
    text-align: right;
  }

  .page-contact .contact-hero__lead {
    font-size: 17px;
  }

  .page-contact .channel-card {
    padding: 26px 24px;
  }

  .page-contact .tail-list li {
    grid-template-columns: 96px 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 28px 0 12px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.15fr .85fr;
    gap: 40px;
    align-items: end;
  }

  .page-contact .contact-section {
    padding: 62px 0;
  }

  .page-contact .channel-grid {
    grid-template-columns: 5fr 4fr 3fr;
    gap: 22px;
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .template-grid {
    grid-template-columns: 1fr 1.05fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact .flow {
    grid-template-columns: .85fr 1.15fr;
    gap: 36px;
    align-items: start;
  }

  .page-contact .flow__figure {
    position: sticky;
    top: 88px;
  }

  .page-contact .partner {
    grid-template-columns: 1.25fr .75fr;
    gap: 36px;
    padding: 34px 32px;
  }

  .page-contact .pitfall {
    padding: 24px 22px;
  }
}

@media (min-width: 1140px) {
  .page-contact .contact-hero__figure img {
    aspect-ratio: 4 / 3;
    max-height: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .pitfall,
  .page-contact .copy-btn,
  .page-contact .hero-jump a {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .pitfall:hover {
    transform: none;
  }
}
<<<END>>>