.page-contact {
  --contact-pad: clamp(18px, 4vw, 64px);
  background:
    radial-gradient(120% 70% at 82% 0%, rgba(14, 59, 58, 0.55), transparent 62%),
    radial-gradient(90% 50% at 0% 100%, rgba(216, 169, 74, 0.07), transparent 70%),
    var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 88px);
}

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

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.24;
  font-size: clamp(1.5rem, 3.1vw, 2.3rem);
  margin: 0.28em 0 0.55em;
  color: var(--paper);
}

.page-contact h3 {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--paper);
}

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

/* 面包屑与首屏 */
.page-contact .contact-crumbs {
  padding-top: clamp(14px, 2.2vw, 24px);
}

.page-contact .contact-hero-wrap {
  padding-top: clamp(10px, 1.6vw, 18px);
}

.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 48px);
  padding: clamp(22px, 3.2vw, 50px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 5.6vw, 3.7rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0.3em 0 0.45em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  max-width: 46ch;
  color: var(--paper-78);
  font-size: clamp(0.98rem, 1.3vw, 1.06rem);
  line-height: 1.78;
  margin: 0;
}

.page-contact .status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-contact .status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(62, 224, 208, 0.3);
  background: rgba(62, 224, 208, 0.08);
  color: var(--paper-86);
  font-size: 0.82rem;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.page-contact .status-pill--quiet {
  border-color: var(--line);
  background: rgba(216, 169, 74, 0.07);
  color: var(--paper-78);
}

.page-contact .status-pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(62, 224, 208, 0.16);
  flex: none;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .hero-actions .btn {
  flex: 1 1 200px;
  text-align: center;
}

.page-contact .hero-facts {
  list-style: none;
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: clamp(18px, 2.2vw, 24px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-contact .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-contact .hero-facts__num {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.1;
  color: var(--gold-soft);
  font-variant-numeric: tabular-nums;
}

.page-contact .hero-facts__label {
  font-size: clamp(0.72rem, 1.1vw, 0.82rem);
  color: var(--muted);
  line-height: 1.4;
}

.page-contact .contact-hero__media {
  margin: 0;
}

/* 提问前准备 */
.page-contact .contact-brief {
  padding-block: clamp(30px, 4.2vw, 54px);
  margin-top: clamp(28px, 4vw, 52px);
}

.page-contact .brief-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 42px);
}

.page-contact .brief-head h2 {
  margin-top: 0.2em;
}

.page-contact .brief-head p {
  margin: 0;
  max-width: 40ch;
  color: var(--paper-66);
  font-size: 0.94rem;
  line-height: 1.78;
}

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

.page-contact .brief-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: baseline;
  padding: 18px 20px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(11, 13, 16, 0.46);
}

.page-contact .brief-list__no {
  grid-row: 1 / span 2;
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-contact .brief-list h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}

.page-contact .brief-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--paper-66);
}

/* 通道选择 */
.page-contact .contact-channels {
  padding-block: clamp(36px, 5vw, 68px);
}

.page-contact .channels-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 46px);
}

.page-contact .channel-rail h2 {
  margin-top: 0.2em;
}

.page-contact .rail-list {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .rail-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
  font-size: 0.88rem;
}

.page-contact .rail-list__label {
  color: var(--muted);
  flex: none;
}

.page-contact .rail-list__value {
  color: var(--gold-soft);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-contact .rail-note {
  margin: 0 0 20px;
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--paper-66);
}

.page-contact .channel-panel .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 18px;
}

.page-contact .filter-chip {
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper-78);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-contact .filter-chip[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: #12140f;
  font-weight: 600;
}

.page-contact .filter-chip:focus-visible,
.page-contact .copy-btn:focus-visible,
.page-contact .contact-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .channel-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, var(--ink-2), rgba(11, 13, 16, 0.92));
  box-shadow: var(--shadow-lift);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .channel-card:hover {
  border-color: rgba(216, 169, 74, 0.5);
  transform: translateY(-3px);
}

.page-contact .channel-card .tag {
  display: inline-block;
  margin: 0 0 12px;
}

.page-contact .channel-card h3 {
  margin: 0 0 10px;
  font-size: clamp(1.06rem, 1.6vw, 1.24rem);
  line-height: 1.4;
}

.page-contact .channel-card__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--paper-78);
}

.page-contact .channel-card__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--paper-66);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.page-contact .channel-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .channel-card__foot--mail {
  justify-content: space-between;
}

.page-contact .channel-card__hint {
  font-size: 0.8rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-mail {
  color: var(--cyan);
  font-size: 0.88rem;
  word-break: break-all;
  text-decoration: none;
}

.page-contact .contact-mail:hover {
  text-decoration: underline;
}

.page-contact .copy-btn {
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gold-soft);
  flex: none;
  transition: background 0.18s var(--ease);
}

.page-contact .copy-btn:hover {
  background: rgba(216, 169, 74, 0.14);
}

.page-contact .copy-btn[data-copied] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .is-hidden {
  display: none !important;
}

/* 商务合作 */
.page-contact .contact-coop {
  padding-block: clamp(36px, 5vw, 68px);
}

.page-contact .coop-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.page-contact .coop-lede {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--paper-66);
}

.page-contact .coop-meta {
  border-left: 2px solid var(--gold);
  padding-left: 18px;
  align-self: start;
}

.page-contact .coop-meta__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1;
  color: var(--gold-soft);
  font-variant-numeric: tabular-nums;
}

.page-contact .coop-meta__unit {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

.page-contact .flow {
  list-style: none;
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .flow__step {
  position: relative;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(216, 169, 74, 0.14);
}

.page-contact .flow__no {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.page-contact .flow__step h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--paper-66);
}

.page-contact .coop-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 40px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-foot p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--paper-66);
}

/* 联系方式 */
.page-contact .contact-info {
  padding-block: clamp(32px, 4.6vw, 64px);
}

.page-contact .info-media {
  margin: 0 0 clamp(24px, 3.2vw, 38px);
}

.page-contact .info-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 42px);
}

.page-contact .info-head p {
  margin: 0 0 12px;
  max-width: 42ch;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--paper-66);
}

.page-contact .info-note {
  padding: 12px 16px;
  border-left: 2px solid rgba(62, 224, 208, 0.55);
  background: rgba(14, 59, 58, 0.4);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--paper-78) !important;
  font-size: 0.88rem !important;
}

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

.page-contact .contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 14px;
  align-items: center;
  padding: 15px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: rgba(20, 24, 29, 0.72);
}

.page-contact .contact-row__label {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .contact-row__value {
  font-size: clamp(0.92rem, 1.4vw, 1rem);
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-contact a.contact-row__value:hover {
  color: var(--cyan);
}

/* 回复节奏 */
.page-contact .contact-reply {
  padding-block: clamp(32px, 4.6vw, 64px);
}

.page-contact .reply-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-contact .reply-card {
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .reply-card--cyan {
  background: linear-gradient(152deg, rgba(14, 59, 58, 0.88), var(--ink-2));
}

.page-contact .reply-card--amber {
  background: linear-gradient(152deg, rgba(240, 122, 42, 0.14), var(--ink-2));
}

.page-contact .reply-card .tag {
  display: inline-block;
  margin: 0 0 10px;
}

.page-contact .reply-card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.page-contact .reply-card p {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.78;
  color: var(--paper-78);
}

.page-contact .reply-card__meta {
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem !important;
  color: var(--muted) !important;
  font-variant-numeric: tabular-nums;
}

/* 相关栏目 */
.page-contact .contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: clamp(18px, 2.6vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-links__label {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-right: 4px;
}

.page-contact .contact-links a {
  display: inline-block;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  color: var(--paper-78);
  font-size: 0.82rem;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .contact-links a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* 中等屏幕 */
@media (min-width: 700px) {
  .page-contact .brief-list {
    gap: 16px;
  }

  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
  }

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

  .page-contact .coop-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: end;
  }
}

/* 桌面端左右分置 */
@media (min-width: 940px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .hero-actions .btn {
    flex: 0 0 auto;
  }

  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .channel-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .info-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-left: clamp(16px, 4vw, 52px);
  }

  .page-contact .channel-card:nth-child(3) {
    margin-right: clamp(16px, 4vw, 52px);
  }
}

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

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