.page-contact {
  --cc-cut: 22px;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 4vw, 48px) 0;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: 28%;
  right: -8%;
  top: 22%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lime-dim), transparent);
  transform: rotate(-8deg);
  opacity: 0.45;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 6.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__intro {
  margin: 18px 0 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__side {
  padding: 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
}

.page-contact .side-title {
  margin: 0 0 12px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .side-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .side-row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.page-contact .side-row dt {
  font-size: 13px;
  color: var(--muted);
}

.page-contact .side-row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .side-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--orange);
}

/* ---------- 页内锚点条 ---------- */
.page-contact .contact-jump {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 30px 0 0;
  padding: 14px 0 8px;
  list-style: none;
  border-top: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-contact .contact-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid transparent;
  font-family: var(--font-narrow);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-jump a span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--lime);
}

.page-contact .contact-jump a:hover,
.page-contact .contact-jump a:focus-visible {
  color: var(--paper);
  border-color: var(--line);
}

/* ---------- 区块节奏与标题 ---------- */
.page-contact .contact-flow,
.page-contact .contact-switch,
.page-contact .contact-perks,
.page-contact .contact-support,
.page-contact .contact-info,
.page-contact .contact-help {
  padding-block: clamp(38px, 5vw, 68px) 0;
}

.page-contact .contact-help {
  padding-bottom: clamp(44px, 6vw, 84px);
}

.page-contact .block-head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.page-contact .block-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-contact .block-head p {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 步骤条 + 右侧示意图 ---------- */
.page-contact .flow__grid {
  display: grid;
  gap: 28px;
}

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

.page-contact .steps::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 14px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime), var(--linen, var(--line)) 55%, transparent);
  background: linear-gradient(180deg, var(--lime), var(--line) 55%, transparent);
}

.page-contact .step {
  position: relative;
  padding: 0 0 26px 58px;
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step__no {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-contact .step h3 {
  margin: 6px 0 6px;
  font-family: var(--font-narrow);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .step p {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .step p strong {
  color: var(--lime);
  font-weight: 600;
}

/* ---------- 图像卡片 ---------- */
.page-contact .contact-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
}

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

.page-contact .contact-shot figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 订阅切换 ---------- */
.page-contact .switch-row {
  display: grid;
  gap: 16px;
  padding: 20px;
  margin-bottom: 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
}

.page-contact .switch-label {
  margin: 0 0 6px;
  font-family: var(--font-narrow);
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-contact .switch-hint {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .switch-copy + .switch {
  justify-self: start;
}

.page-contact .switch-foot {
  margin: 0 0 26px;
  padding-left: 14px;
  border-left: 2px solid var(--lime-dim);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .mode {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .mode dt {
  font-family: var(--font-narrow);
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--lime);
}

.page-contact .mode dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 会员权益 ---------- */
.page-contact .perks {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .perk {
  position: relative;
  padding: 16px 0 16px 30px;
  border-top: 1px solid var(--line);
}

.page-contact .perk::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  width: 14px;
  height: 2px;
  background: var(--lime);
}

.page-contact .perk strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-narrow);
  font-size: 16px;
  letter-spacing: 0.03em;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .perk span {
  display: block;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 客服渠道 ---------- */
.page-contact .support__grid {
  display: grid;
  gap: 28px;
}

.page-contact .channel {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.page-contact .channel__name {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .channel__addr {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .channel p {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 联络信息卡 ---------- */
.page-contact .contact-card {
  padding: 24px 20px 20px;
  background: linear-gradient(140deg, var(--ink-2), var(--ink-3) 70%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-card__brand {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .contact-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .cc-grid {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .cc-row {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .cc-row dt {
  margin-bottom: 6px;
  font-family: var(--font-narrow);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .cc-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 常见问题入口 ---------- */
.page-contact .help-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .help-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 15px 2px;
  border-top: 1px solid var(--line);
  font-family: var(--font-narrow);
  font-size: 15px;
  letter-spacing: 0.02em;
  line-height: 1.65;
  color: var(--paper);
  text-decoration: none;
  transition: color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-contact .help-list a span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.page-contact .help-list a:hover,
.page-contact .help-list a:focus-visible {
  color: var(--lime);
  padding-left: 8px;
}

.page-contact .help-list a:hover span,
.page-contact .help-list a:focus-visible span {
  color: var(--lime);
}

/* ---------- 桌面编排 ---------- */
@media (min-width: 760px) {
  .page-contact .mode {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-contact .perks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }

  .page-contact .switch-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 24px 26px;
  }

  .page-contact .switch-copy + .switch {
    justify-self: end;
  }

  .page-contact .cc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-contact .cc-row--wide {
    grid-column: 1 / -1;
  }

  .page-contact .contact-card {
    padding: 28px 32px 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .flow__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .contact-shot {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 960px) {
  .page-contact .support__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-jump a,
  .page-contact .help-list a {
    transition: none;
  }
}
<<<END>>>

.page-contact {
  --linen: transparent;
}