.page-contact {
  --contact-gap: 24px;
  --contact-line: rgba(127, 211, 242, 0.14);
  padding-bottom: 96px;
}

.page-contact .wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 20px 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .breadcrumb a {
  color: var(--ice);
  text-decoration: none;
}
.page-contact .breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 24px 0 56px;
  border-bottom: 1px solid var(--contact-line);
}
.page-contact .contact-hero__text .kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 16px;
}
.page-contact .contact-hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(30px, 7vw, 54px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
  color: var(--ink);
  margin: 0 0 20px;
  max-width: 18ch;
}
.page-contact .contact-hero .lede {
  font-size: 16px;
  line-height: 1.8;
  color: var(--soft);
  max-width: 62ch;
  margin: 0 0 24px;
}
.page-contact .contact-hero__facts {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: var(--soft);
}
.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-contact .contact-hero__facts .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .contact-hero__visual {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-contact .contact-hero__visual .media-frame {
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  overflow: hidden;
}
.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85);
}
.page-contact .media-caption {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* ---------- 章节骨架 ---------- */
.page-contact .chapter {
  padding: 56px 0 0;
  scroll-margin-top: 80px;
}
.page-contact .chapter-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--contact-line);
  margin-bottom: 28px;
}
.page-contact .chapter-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
  flex: none;
}
.page-contact .chapter-title {
  font-size: clamp(21px, 4.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--ink);
  margin: 0;
}

/* ---------- 01 渠道 ---------- */
.page-contact .channel-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}
.page-contact .channel-cards {
  display: grid;
  gap: 16px;
}
.page-contact .channel-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 240ms var(--ease);
}
.page-contact .channel-card:hover {
  border-color: var(--line-strong);
}
.page-contact .channel-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.page-contact .channel-tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .channel-card[data-channel="email"] .channel-tag { color: var(--ice); }
.page-contact .channel-card[data-channel="phone"] .channel-tag { color: var(--gold); }
.page-contact .channel-card[data-channel="address"] .channel-tag { color: var(--cold); }
.page-contact .channel-card__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--ice);
  text-decoration: underline;
  text-decoration-color: rgba(127, 211, 242, 0.4);
  text-underline-offset: 4px;
  word-break: break-all;
}
.page-contact .channel-card__value:hover {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}
.page-contact .channel-card__value--plain {
  color: var(--ink);
  text-decoration: none;
  font-size: 16px;
}
.page-contact .channel-card__desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--soft);
  margin: 0;
}
.page-contact .channel-card__list {
  list-style: none;
  padding: 10px 0 0;
  margin: 0;
  border-top: 1px solid var(--line-dim);
  display: grid;
  gap: 6px;
}
.page-contact .channel-card__list li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  padding-left: 14px;
  position: relative;
}
.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 1px;
  background: var(--cyan);
}
.page-contact .coord-grid {
  margin-top: 6px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-width: 180px;
}
.page-contact .coord-grid span {
  aspect-ratio: 1;
  border: 1px solid var(--line-dim);
}
.page-contact .coord-grid .is-on {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .channel-note {
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  padding: 22px 20px;
  align-self: start;
}
.page-contact .channel-note .kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 16px;
}
.page-contact .channel-note__list {
  margin: 0;
  display: grid;
  gap: 12px;
}
.page-contact .channel-note__list > div {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-dim);
}
.page-contact .channel-note__list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .channel-note__list dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.page-contact .channel-note__list dd {
  margin: 0;
  font-size: 13px;
  color: var(--soft);
  line-height: 1.6;
}
.page-contact .channel-note__list a {
  color: var(--ice);
  text-decoration: none;
}
.page-contact .channel-note__list a:hover {
  text-decoration: underline;
}
.page-contact .channel-note__hint {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--amber);
  padding-left: 12px;
}

/* ---------- 02 反馈 ---------- */
.page-contact .report-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}
.page-contact .report-copy p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--soft);
  margin: 0 0 22px;
  max-width: 64ch;
}
.page-contact .report-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.page-contact .report-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line-dim);
  background: rgba(18, 26, 36, 0.5);
}
.page-contact .report-list__num {
  font-size: 13px;
  color: var(--cold);
  padding-top: 3px;
}
.page-contact .report-list strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}
.page-contact .report-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .report-sample {
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, #101B29 0%, var(--panel-2) 100%);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-contact .report-sample .kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}
.page-contact .sample-block {
  margin: 0;
  padding: 16px;
  background: #0A121D;
  border-left: 3px solid var(--gold);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--soft);
  white-space: pre;
}
.page-contact .sample-block code {
  font-family: inherit;
  color: inherit;
}
.page-contact .sample-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .sample-media {
  border: 1px solid var(--line-dim);
  overflow: hidden;
}
.page-contact .sample-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 03 节奏 ---------- */
.page-contact .timing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .timing-card {
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-contact .timing-card__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.page-contact .timing-card__value {
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 700;
  color: var(--gold);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-contact .timing-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--soft);
}

/* ---------- 04 合作 ---------- */
.page-contact .collab-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}
.page-contact .collab-main p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--soft);
  margin: 0 0 18px;
  max-width: 64ch;
}
.page-contact .collab-main a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .collab-side {
  display: grid;
  gap: 12px;
}
.page-contact .collab-card {
  border: 1px solid var(--line-dim);
  border-left: 3px solid var(--ice);
  padding: 16px 18px;
  background: rgba(18, 26, 36, 0.55);
}
.page-contact .collab-card__tag {
  display: inline-block;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 8px;
}
.page-contact .collab-card h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.page-contact .collab-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .collab-side__link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
  text-decoration: none;
  padding-top: 6px;
}
.page-contact .collab-side__link:hover {
  text-decoration: underline;
}

/* ---------- 05 到访 ---------- */
.page-contact .visit-panel {
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, #0F1A28 0%, var(--panel) 60%, #0C1521 100%);
  padding: 24px 20px;
}
.page-contact .visit-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .visit-item {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dim);
}
.page-contact .visit-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .visit-item__label {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .visit-item__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}
.page-contact a.visit-item__value {
  color: var(--ice);
  text-decoration: underline;
  text-decoration-color: rgba(127, 211, 242, 0.4);
  text-underline-offset: 4px;
}
.page-contact a.visit-item__value:hover {
  color: var(--cyan);
}
.page-contact .visit-panel__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-dim);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--soft);
  max-width: 70ch;
}
.page-contact .visit-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 按钮微调 ---------- */
.page-contact .btn {
  display: inline-block;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}
.page-contact .btn-primary {
  background: var(--ice);
  color: #0B1626;
}
.page-contact .btn-primary:hover {
  background: var(--cyan);
}
.page-contact .btn-gold {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}
.page-contact .btn-gold:hover {
  background: var(--gold);
  color: #0B1626;
}
.page-contact .btn-ghost {
  background: transparent;
  color: var(--soft);
  border-color: var(--line-strong);
}
.page-contact .btn-ghost:hover {
  color: var(--ink);
  border-color: var(--ice);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .wrap {
    padding: 0 32px;
  }
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 40px;
    padding: 32px 0 64px;
    align-items: start;
  }
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .channel-card[data-channel="address"] {
    grid-column: span 2;
  }
  .page-contact .timing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .visit-panel__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 32px;
  }
  .page-contact .visit-item {
    padding-bottom: 0;
    border-bottom: 0;
  }
  .page-contact .collab-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .collab-side__link {
    grid-column: span 2;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .wrap {
    padding: 0 48px;
  }
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.75fr);
    gap: 56px;
  }
  .page-contact .channel-layout {
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
    gap: 28px;
  }
  .page-contact .channel-cards {
    grid-template-columns: 1fr;
  }
  .page-contact .channel-card[data-channel="address"] {
    grid-column: auto;
  }
  .page-contact .channel-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    grid-template-areas:
      "top desc"
      "title desc"
      "value desc"
      "list list";
    gap: 8px 28px;
    align-items: start;
    padding: 24px 26px;
  }
  .page-contact .channel-card__top { grid-area: top; }
  .page-contact .channel-card__title { grid-area: title; }
  .page-contact .channel-card__value { grid-area: value; }
  .page-contact .channel-card__desc { grid-area: desc; margin-top: 2px; }
  .page-contact .channel-card__list { grid-area: list; margin-top: 6px; }
  .page-contact .coord-grid { max-width: 140px; }

  .page-contact .report-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 32px;
    align-items: start;
  }
  .page-contact .report-sample {
    position: sticky;
    top: 84px;
  }
  .page-contact .timing-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .timing-card {
    padding: 24px 22px;
  }
  .page-contact .collab-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
  .page-contact .collab-side {
    grid-template-columns: 1fr;
  }
  .page-contact .collab-side__link {
    grid-column: auto;
  }
  .page-contact .visit-panel {
    padding: 32px 36px;
  }
  .page-contact .visit-panel__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .chapter {
    padding-top: 72px;
  }
}

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