.page-contact {
  --c-gap: clamp(18px, 3vw, 34px);
  --c-edge: 1px solid var(--line);
  background: var(--ink);
  color: var(--text);
}

.page-contact .section {
  padding-block: clamp(36px, 6vw, 76px);
}

/* 面包屑 */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--text);
}

.page-contact .crumbs__sep {
  color: var(--line);
}

/* 首屏 */
.page-contact .contact-hero {
  padding-top: clamp(16px, 3vw, 32px);
  background:
    radial-gradient(900px 420px at 82% -10%, rgba(139, 108, 255, .18), transparent 70%),
    radial-gradient(700px 380px at 4% 8%, rgba(61, 232, 210, .12), transparent 72%);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .contact-hero__lead .index-tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1.04;
  letter-spacing: .01em;
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__media {
  border: var(--c-edge);
  background: var(--panel);
}

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

.page-contact .contact-hero__media .media__caption {
  padding: 10px 14px;
  border-top: var(--c-edge);
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* 悬浮控制台 */
.page-contact .contact-console {
  border: var(--c-edge);
  background: linear-gradient(160deg, var(--float), var(--panel) 70%);
  padding: clamp(18px, 3vw, 26px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}

.page-contact .contact-console__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.page-contact .contact-console__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.2;
}

.page-contact .contact-console__mail {
  display: block;
  padding: 16px 16px 18px;
  margin-bottom: 12px;
  border: 1px solid rgba(61, 232, 210, .45);
  background: rgba(61, 232, 210, .08);
  text-decoration: none;
  color: var(--text);
  transition: border-color 120ms var(--ease), transform 120ms var(--ease), background 120ms var(--ease);
}

.page-contact .contact-console__mail:hover,
.page-contact .contact-console__mail:focus-visible {
  border-color: var(--cyan);
  background: rgba(61, 232, 210, .14);
  transform: translateY(-1px);
}

.page-contact .contact-console__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-contact .contact-console__v {
  display: block;
  font-size: clamp(14px, 2.2vw, 17px);
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-console__mail .contact-console__v {
  color: var(--text);
  font-size: clamp(15px, 2.6vw, 20px);
}

.page-contact .contact-console__go {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .04em;
}

.page-contact .contact-console__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 4px;
  border-bottom: var(--c-edge);
  text-decoration: none;
  color: var(--text);
}

.page-contact .contact-console__row .contact-console__k {
  margin-bottom: 0;
}

.page-contact a.contact-console__row:hover,
.page-contact a.contact-console__row:focus-visible {
  color: var(--cyan);
}

.page-contact a.contact-console__row:hover .contact-console__v,
.page-contact a.contact-console__row:focus-visible .contact-console__v {
  color: var(--cyan);
}

.page-contact .contact-console__row--static .contact-console__v {
  color: var(--text);
}

.page-contact .contact-console__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 章节头 */
.page-contact .contact-sec__head {
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-contact .contact-sec__head .index-tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .contact-sec__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.14;
}

.page-contact .contact-sec__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* 渠道卡片 */
.page-contact .contact-channels {
  background: var(--panel);
  border-top: var(--c-edge);
  border-bottom: var(--c-edge);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  border: var(--c-edge);
  background: var(--ink);
  border-top-width: 3px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-card--cyan { border-top-color: var(--cyan); }
.page-contact .contact-card--violet { border-top-color: var(--violet); }
.page-contact .contact-card--gold { border-top-color: var(--gold); }

.page-contact .contact-card .tag {
  align-self: flex-start;
}

.page-contact .contact-card__value {
  display: block;
  font-size: clamp(15px, 2.4vw, 19px);
  line-height: 1.35;
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact a.contact-card__value {
  border-bottom: 1px solid rgba(61, 232, 210, .35);
  padding-bottom: 2px;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact a.contact-card__value:hover,
.page-contact a.contact-card__value:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 反馈前准备 */
.page-contact .contact-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 44px);
  align-items: start;
}

.page-contact .contact-prep__intro .index-tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
}

.page-contact .contact-steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0 16px 16px;
  border-bottom: var(--c-edge);
  transition: background 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact .contact-steps__item:first-child {
  border-top: var(--c-edge);
}

.page-contact .contact-steps__item:hover {
  background: rgba(19, 32, 61, .65);
  border-bottom-color: rgba(61, 232, 210, .5);
}

.page-contact .contact-steps__num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--violet);
  padding-top: 4px;
  min-width: 28px;
}

.page-contact .contact-steps__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: .01em;
  color: var(--text);
}

.page-contact .contact-steps__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 服务范围 */
.page-contact .contact-scope {
  background: var(--panel);
  border-top: var(--c-edge);
  border-bottom: var(--c-edge);
}

.page-contact .contact-scope__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .contact-scope__item {
  padding: clamp(16px, 2.6vw, 24px);
  border: var(--c-edge);
  border-left: 2px solid var(--line);
  background: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-left-color 120ms var(--ease), transform 120ms var(--ease);
}

.page-contact .contact-scope__item:hover {
  border-left-color: var(--cyan);
  transform: translateX(2px);
}

.page-contact .contact-scope__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 23px);
  letter-spacing: .01em;
}

.page-contact .contact-scope__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-scope__link {
  align-self: flex-start;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 232, 210, .35);
  padding-bottom: 2px;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.page-contact .contact-scope__link:hover,
.page-contact .contact-scope__link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--text);
}

/* 合作 */
.page-contact .contact-collab__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(22px, 4vw, 44px);
  border: var(--c-edge);
  background:
    linear-gradient(135deg, rgba(139, 108, 255, .18), transparent 55%),
    var(--float);
}

.page-contact .contact-collab__text .tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .contact-collab__text .contact-sec__title {
  font-size: clamp(22px, 3.6vw, 34px);
}

.page-contact .contact-collab__text p {
  margin: 0 0 clamp(18px, 2.4vw, 24px);
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-collab__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-contact .contact-collab__stat {
  padding: 16px;
  border: var(--c-edge);
  background: rgba(6, 10, 22, .6);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .contact-collab__num {
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  color: var(--violet);
}

.page-contact .contact-collab__label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* 地址与地图 */
.page-contact .contact-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 40px);
  align-items: start;
}

.page-contact .contact-visit__text .index-tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .contact-visit__text p {
  margin: 0 0 14px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-visit__text .btn-row {
  margin-top: 20px;
}

.page-contact .contact-map {
  border: var(--c-edge);
  background-color: var(--panel);
  background-image:
    linear-gradient(to right, rgba(43, 58, 93, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 58, 93, .55) 1px, transparent 1px);
  background-size: 44px 44px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-map__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .contact-map__tag {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .contact-map__dot {
  width: 10px;
  height: 10px;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(61, 232, 210, .18), 0 0 18px rgba(61, 232, 210, .7);
  border-radius: 50%;
}

.page-contact .contact-map__figure {
  border: var(--c-edge);
  background: var(--ink);
  overflow: hidden;
}

.page-contact .contact-map__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .92;
}

.page-contact .contact-map__addr {
  margin: 0;
  padding: 10px 12px;
  border: var(--c-edge);
  background: rgba(6, 10, 22, .78);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold);
  overflow-wrap: anywhere;
}

/* 尾部 */
.page-contact .contact-tail__panel {
  padding: clamp(24px, 4.4vw, 48px);
  border: var(--c-edge);
  border-top: 2px solid var(--cyan);
  background: linear-gradient(180deg, var(--float), var(--panel));
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.page-contact .contact-tail__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.16;
}

.page-contact .contact-tail__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

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

/* 响应式 */
@media (min-width: 700px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
  }

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

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

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

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

  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (max-width: 420px) {
  .page-contact .contact-collab__meta {
    grid-template-columns: 1fr;
  }

  .page-contact .contact-steps__item {
    gap: 10px;
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-console__mail:hover,
  .page-contact .contact-scope__item:hover {
    transform: none;
  }
}