.page-contact {
  --contact-hair: rgba(5, 42, 59, 0.16);
  --contact-glow: rgba(31, 224, 192, 0.35);
  --contact-line: rgba(243, 248, 247, 0.16);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact .wrap {
  padding-inline: var(--pad-x);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(31, 224, 192, 0.22), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(45, 156, 255, 0.18), transparent 60%),
    var(--deep);
  color: var(--mist);
  border-bottom: var(--border-thick) solid var(--ink);
  padding-block: clamp(18px, 3.5vw, 32px) clamp(30px, 5vw, 58px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  min-width: 0;
}

.page-contact .contact-hero__copy {
  min-width: 0;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(243, 248, 247, 0.68);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--aurora);
}

.page-contact .breadcrumb a {
  color: rgba(243, 248, 247, 0.86);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 224, 192, 0.5);
}

.page-contact .breadcrumb a:hover {
  color: var(--aurora);
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--aurora);
  margin: 0 0 12px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 6.4vw, 4.2rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 20ch;
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 0 0 24px;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 17px);
  color: rgba(243, 248, 247, 0.86);
}

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

.page-contact .contact-hero__actions .btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 46px;
}

.page-contact .contact-hero__actions .btn--ghost {
  color: var(--mist);
  border-color: var(--aurora);
  background: transparent;
}

.page-contact .contact-hero__actions .btn--ghost:hover {
  background: rgba(31, 224, 192, 0.12);
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  border: var(--border-thick) solid var(--aurora);
  box-shadow: var(--shadow-hard-lg);
  background: var(--ink);
  min-width: 0;
}

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

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(5, 42, 59, 0.15), rgba(7, 20, 29, 0.55));
  pointer-events: none;
}

.page-contact .contact-hero__svg {
  position: absolute;
  right: 10px;
  top: 10px;
  width: 46%;
  max-width: 260px;
  height: auto;
  z-index: 1;
  opacity: 0.95;
}

.page-contact .contact-hero__visual figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 8px 12px;
  background: rgba(7, 20, 29, 0.82);
  border-top: 2px solid rgba(31, 224, 192, 0.6);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sand);
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--border-thick) solid rgba(243, 248, 247, 0.2);
  min-width: 0;
}

.page-contact .contact-hero__facts li {
  padding: 16px 0;
  border-bottom: 1px solid var(--contact-line);
  min-width: 0;
}

.page-contact .contact-fact__num {
  display: block;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--aurora);
  line-height: 1.3;
}

.page-contact .contact-fact__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: rgba(243, 248, 247, 0.72);
}

/* ---------- 章节带 ---------- */
.page-contact .contact-band {
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 渠道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(36px, 6vw, 76px);
  background: var(--mist);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-contact .contact-channels__cards {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-contact .chan-card {
  position: relative;
  background: #ffffff;
  border: var(--border-thick) solid var(--deep);
  box-shadow: var(--shadow-hard);
  padding: 22px 18px 20px;
  min-width: 0;
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .chan-card:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow-hard-lg);
}

.page-contact .chan-card__idx {
  position: absolute;
  top: 0;
  right: 0;
  padding: 4px 10px;
  background: var(--sand);
  color: var(--ink);
  border-left: var(--border-thick) solid var(--deep);
  border-bottom: var(--border-thick) solid var(--deep);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-contact .chan-card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--deep);
}

.page-contact .chan-card__value {
  margin: 0 0 10px;
  font-size: clamp(15px, 3.4vw, 19px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .chan-card__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  color: var(--ink);
}

.page-contact .chan-card__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--contact-hair);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-contact .contact-nodes {
  background-color: var(--deep);
  background-image:
    linear-gradient(rgba(31, 224, 192, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 224, 192, 0.14) 1px, transparent 1px);
  background-size: 30px 30px;
  border: var(--border-thick) solid var(--ink);
  color: var(--mist);
  padding: 22px 18px 20px;
  min-width: 0;
}

.page-contact .contact-nodes__title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--aurora);
}

.page-contact .contact-nodes__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-nodes__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-nodes__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-nodes__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--orange);
  color: var(--orange);
  font-size: 13px;
  font-weight: 600;
}

.page-contact .contact-nodes__list strong {
  display: block;
  font-size: 15px;
  color: var(--mist);
  margin-bottom: 2px;
}

.page-contact .contact-nodes__list p {
  margin: 0;
  font-size: 13.5px;
  color: rgba(243, 248, 247, 0.78);
}

.page-contact .contact-nodes__note {
  margin: 0;
  padding: 12px 14px;
  background: rgba(7, 20, 29, 0.62);
  border-left: 4px solid var(--sand);
  font-size: 13.5px;
  color: rgba(243, 248, 247, 0.86);
}

.page-contact .contact-nodes__note a {
  color: var(--aurora);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 咨询前准备 ---------- */
.page-contact .contact-prep {
  background: var(--paper);
  border-block: var(--border-thick) solid var(--ink);
  padding-block: clamp(36px, 6vw, 76px);
}

.page-contact .contact-prep__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  min-width: 0;
}

.page-contact .contact-prep__body h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--deep);
}

.page-contact .contact-prep .eyebrow {
  color: var(--aurora-ink);
}

.page-contact .contact-prep__lead {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 15.5px;
}

.page-contact .prep-steps {
  counter-reset: prep;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .prep-steps li {
  counter-increment: prep;
  position: relative;
  padding: 12px 14px 12px 60px;
  background: #ffffff;
  border: var(--border-thick) solid var(--deep);
  min-width: 0;
}

.page-contact .prep-steps li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 44px;
  display: grid;
  place-items: center;
  background: var(--sand);
  border-right: var(--border-thick) solid var(--deep);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .prep-steps strong {
  display: block;
  font-size: 15px;
  color: var(--deep);
  margin-bottom: 2px;
}

.page-contact .prep-steps p {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
}

.page-contact .prep-more {
  margin-top: 18px;
  padding: 0 16px;
  background: #ffffff;
  border: 3px dashed var(--rock);
}

.page-contact .prep-more summary {
  cursor: pointer;
  padding: 14px 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--aurora-ink);
}

.page-contact .prep-more[open] summary {
  border-bottom: 1px solid var(--contact-hair);
  margin-bottom: 12px;
}

.page-contact .prep-more ul {
  margin: 0 0 16px;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.page-contact .contact-prep__visual {
  margin: 0;
  border: var(--border-thick) solid var(--deep);
  box-shadow: var(--shadow-hard);
  background: #ffffff;
  min-width: 0;
}

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

.page-contact .contact-prep__visual figcaption {
  padding: 10px 12px;
  border-top: var(--border-thick) solid var(--deep);
  background: var(--sand);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.03em;
}

/* ---------- 反馈与进度 ---------- */
.page-contact .contact-flow {
  background: var(--deep);
  color: var(--mist);
  padding-block: clamp(36px, 6vw, 76px);
}

.page-contact .contact-flow .band__lead {
  color: rgba(243, 248, 247, 0.8);
}

.page-contact .feedback-flow {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .feedback-flow li {
  position: relative;
  padding: 16px 16px 16px;
  background: rgba(31, 224, 192, 0.07);
  border: 2px solid rgba(31, 224, 192, 0.45);
  border-top: 4px solid var(--aurora);
  min-width: 0;
}

.page-contact .feedback-flow__idx {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  background: var(--aurora);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-contact .feedback-flow h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  color: var(--mist);
}

.page-contact .feedback-flow p {
  margin: 0;
  font-size: 13.5px;
  color: rgba(243, 248, 247, 0.78);
}

.page-contact .feedback-note {
  margin: 0;
  padding: 14px 16px;
  background: rgba(255, 122, 61, 0.12);
  border-left: 5px solid var(--orange);
  font-size: 14px;
  color: rgba(243, 248, 247, 0.9);
  max-width: 70ch;
}

/* ---------- 常见咨询类型 ---------- */
.page-contact .contact-topics {
  padding-block: clamp(36px, 6vw, 76px);
  background: var(--mist);
}

.page-contact .contact-topics .eyebrow {
  color: var(--aurora-ink);
}

.page-contact .contact-topics h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  line-height: 1.22;
  margin: 0 0 12px;
  color: var(--deep);
}

.page-contact .contact-topics__lead {
  margin: 0 0 24px;
  max-width: 58ch;
  font-size: 15px;
  color: var(--rock);
}

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

.page-contact .topic-grid a {
  display: block;
  height: 100%;
  padding: 16px 16px 18px;
  background: #ffffff;
  border: 2px solid var(--deep);
  box-shadow: 4px 4px 0 rgba(7, 20, 29, 0.1);
  text-decoration: none;
  color: var(--ink);
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .topic-grid a:hover,
.page-contact .topic-grid a:focus-visible {
  border-color: var(--aurora-ink);
  box-shadow: 8px 8px 0 rgba(7, 20, 29, 0.18);
}

.page-contact .topic-grid__idx {
  display: block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .topic-grid strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15.5px;
  color: var(--deep);
}

.page-contact .topic-grid span:last-child {
  display: block;
  font-size: 13.5px;
  color: var(--rock);
}

/* ---------- 回复安排 ---------- */
.page-contact .contact-sla {
  padding-block: clamp(36px, 6vw, 76px);
  background: var(--paper);
  border-block: var(--border-thick) solid var(--ink);
}

.page-contact .contact-sla h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  line-height: 1.22;
  margin: 0 0 24px;
  color: var(--deep);
}

.page-contact .contact-sla__grid {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-contact .contact-sla__card {
  padding: 22px 18px;
  background: #ffffff;
  border: var(--border-thick) solid var(--deep);
  box-shadow: var(--shadow-hard);
  min-width: 0;
}

.page-contact .contact-sla__card--deep {
  background: var(--deep);
  border-color: var(--ink);
  color: var(--mist);
}

.page-contact .contact-sla__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  background: var(--sand);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .contact-sla__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  color: rgba(243, 248, 247, 0.88);
}

.page-contact .contact-sla__card p {
  margin: 0 0 12px;
  font-size: 14.5px;
}

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

/* ---------- 合作与纠错 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(36px, 6vw, 76px);
  background: var(--mist);
}

.page-contact .contact-coop h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  line-height: 1.22;
  margin: 0 0 24px;
  color: var(--deep);
}

.page-contact .contact-coop__grid {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-contact .contact-coop__card {
  padding: 22px 18px;
  border: var(--border-thick) solid var(--ink);
  box-shadow: var(--shadow-hard);
  min-width: 0;
}

.page-contact .contact-coop__card--orange {
  background: #fff3ec;
  border-color: var(--orange);
}

.page-contact .contact-coop__card--aurora {
  background: rgba(31, 224, 192, 0.1);
  border-color: var(--aurora-ink);
}

.page-contact .contact-coop__card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  color: var(--deep);
}

.page-contact .contact-coop__card p {
  margin: 0 0 12px;
  font-size: 14.5px;
}

.page-contact .contact-coop__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--contact-hair);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

/* ---------- 尾部链接 ---------- */
.page-contact .contact-next {
  padding-block: clamp(30px, 5vw, 60px);
  background: var(--ink);
  color: var(--mist);
}

.page-contact .contact-next__title {
  margin: 0 0 18px;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-family: var(--font-serif);
  color: var(--mist);
}

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

.page-contact .contact-next__list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px solid rgba(31, 224, 192, 0.42);
  color: var(--mist);
  text-decoration: none;
  font-size: 15px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .contact-next__list a:hover,
.page-contact .contact-next__list a:focus-visible {
  border-color: var(--aurora);
  background: rgba(31, 224, 192, 0.1);
}

.page-contact .contact-next__list .mono {
  color: var(--sand);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-hero__facts li {
    border-bottom: 0;
    border-left: 1px solid var(--contact-line);
    padding: 18px 14px;
  }

  .page-contact .contact-hero__facts li:first-child {
    border-left: 0;
    padding-left: 0;
  }

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

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

@media (min-width: 880px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

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

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

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

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

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

@media (min-width: 1080px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .chan-card--wide {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan-card,
  .page-contact .topic-grid a,
  .page-contact .contact-next__list a {
    transition: none;
  }
}
<<<END>>>