.page-contact {
  --contact-gap: 20px;
  --contact-card-pad: 18px;
}

.page-contact .breadcrumbs {
  padding: 18px 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 20px 0 42px;
  overflow: hidden;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-hero__title {
  margin: 10px 0 14px;
  font-size: clamp(32px, 9vw, 56px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .contact-hero__lead .lede {
  margin: 0 0 20px;
  max-width: 48ch;
  color: var(--text-dim);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__slab {
  position: relative;
  min-height: 128px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(38, 53, 110, .5) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(38, 53, 110, .5) 0 1px, transparent 1px 46px),
    linear-gradient(135deg, rgba(110, 43, 184, .85) 0%, rgba(196, 44, 107, .55) 52%, rgba(12, 23, 56, .95) 100%);
}

.page-contact .slab-mark {
  position: absolute;
  display: block;
}

.page-contact .slab-mark--1 {
  left: 8%;
  right: 8%;
  top: 52%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: rotate(-8deg);
}

.page-contact .slab-mark--2 {
  left: 16%;
  bottom: 16%;
  width: 64px;
  height: 6px;
  background: var(--orange);
}

.page-contact .slab-mark--3 {
  right: 12%;
  top: 14%;
  width: 44px;
  height: 44px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  opacity: .85;
}

/* ---------- 通用区块节奏 ---------- */
.page-contact .contact-channels,
.page-contact .contact-priority,
.page-contact .contact-collab {
  padding: 42px 0;
}

.page-contact .contact-address {
  padding: 46px 0;
}

.page-contact .section-head {
  margin-bottom: 22px;
}

/* ---------- 01 客服渠道 ---------- */
.page-contact .channels {
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  padding: var(--contact-card-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-contact .channel-card--hours {
  border-color: var(--line-soft);
  background: linear-gradient(118deg, rgba(21, 31, 75, .96) 0%, rgba(110, 43, 184, .3) 100%);
}

.page-contact .channel-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 5.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-all;
}

.page-contact .channel-card__hours {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--text-dim);
}

.page-contact .channel-card__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .channel-figure {
  margin: 0;
}

/* ---------- 复制按钮 ---------- */
.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  background: transparent;
  border: 1px solid var(--orange);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--ink-900);
  background: var(--orange);
}

.page-contact .copy-btn.is-done {
  color: var(--cyan);
  border-color: var(--cyan);
  background: transparent;
}

.page-contact .copy-btn--ink {
  color: var(--paper-ink);
  border-color: rgba(35, 29, 24, .7);
}

.page-contact .copy-btn--ink:hover,
.page-contact .copy-btn--ink:focus-visible {
  color: var(--paper);
  background: var(--paper-ink);
}

/* ---------- 02 优先处理范围 ---------- */
.page-contact .priority-grid {
  display: grid;
  gap: 20px;
}

.page-contact .priority-intro p {
  margin: 0 0 14px;
  color: var(--text-dim);
}

.page-contact .priority-intro p:last-child {
  margin-bottom: 0;
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .filter-bar__label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .filter-chip {
  padding: 7px 13px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .filter-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .filter-chip[aria-pressed="true"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .checklist {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist__item {
  position: relative;
  padding: 14px 14px 14px 42px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .checklist__item::before {
  content: "✓";
  position: absolute;
  left: 15px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-contact .checklist__item[hidden] {
  display: none;
}

.page-contact .checklist__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .checklist__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 03 业务与内容协作 ---------- */
.page-contact .collab-grid {
  display: grid;
  gap: 20px;
}

.page-contact .collab-main p {
  margin: 0;
  color: var(--text-dim);
}

.page-contact .collab-list {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .collab-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--text);
}

.page-contact .collab-list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .collab-list__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-contact .collab-side {
  padding: 20px;
  background: linear-gradient(150deg, rgba(53, 217, 206, .1) 0%, rgba(21, 31, 75, .96) 100%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
}

.page-contact .collab-side__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .collab-side p {
  color: var(--text-dim);
}

.page-contact .collab-side .divider {
  margin: 16px 0;
}

.page-contact .collab-side .note a {
  color: var(--cyan);
}

/* ---------- 04 通信地址与备案 ---------- */
.page-contact .contact-address {
  position: relative;
  background: var(--paper);
  color: var(--paper-ink);
}

.page-contact .contact-address .section-head__kicker {
  color: rgba(35, 29, 24, .6);
}

.page-contact .contact-address .section-head__note {
  color: rgba(35, 29, 24, .6);
}

.page-contact .address-grid {
  display: grid;
  gap: 14px;
}

.page-contact .addr-card {
  position: relative;
  padding: 20px;
  background: rgba(255, 255, 255, .55);
  border: 1px solid rgba(35, 29, 24, .22);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .addr-card::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 12px;
  width: 14px;
  height: 14px;
  border-top: 1px solid rgba(35, 29, 24, .45);
  border-right: 1px solid rgba(35, 29, 24, .45);
}

.page-contact .addr-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 32px -24px rgba(0, 0, 0, .7);
}

.page-contact .addr-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(35, 29, 24, .62);
}

.page-contact .addr-card__value {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--paper-ink);
}

.page-contact .addr-card__value--mono {
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}

.page-contact .addr-card__note {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(35, 29, 24, .7);
}

.page-contact .address-note {
  margin: 20px 0 0;
  color: rgba(35, 29, 24, .72);
}

.page-contact .address-note a {
  color: var(--magenta);
}

/* ---------- 尾部 ---------- */
.page-contact .contact-tail {
  padding: 42px 0 54px;
  background:
    repeating-linear-gradient(90deg, rgba(38, 53, 110, .28) 0 1px, transparent 1px 72px),
    linear-gradient(180deg, rgba(10, 19, 48, 0) 0%, rgba(10, 19, 48, .9) 100%);
}

.page-contact .tail-grid {
  display: grid;
  gap: 18px;
}

.page-contact .tail-figure {
  margin: 0;
}

.page-contact .tail-note {
  padding: 22px;
  background: var(--ink-800);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius);
}

.page-contact .tail-note__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .tail-note p {
  margin: 0 0 16px;
  color: var(--text-dim);
}

.page-contact .to-top {
  margin-top: 26px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--hours,
  .page-contact .channel-figure {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 34px 0 64px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 40px;
    align-items: center;
  }

  .page-contact .contact-hero__slab {
    min-height: 320px;
  }

  .page-contact .contact-channels,
  .page-contact .contact-priority,
  .page-contact .contact-collab {
    padding: 58px 0;
  }

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

  .page-contact .priority-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .collab-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .tail-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 30px;
    align-items: center;
  }

  .page-contact .to-top {
    margin-top: 34px;
  }
}

@media (min-width: 1140px) {
  .page-contact .checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<PAGE_CSS_END>>>