.page-contact {
  --contact-line: var(--stone);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 72px;
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding: 16px 0 4px;
}
.page-contact .contact-crumb .breadcrumb {
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--data);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  width: var(--shell);
  margin: 12px auto 0;
  padding: 34px 22px 30px;
  border-radius: var(--r-panel);
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(130% 100% at 100% 0%, rgba(127, 178, 217, 0.26) 0%, rgba(127, 178, 217, 0) 58%),
    linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 58%, var(--deep) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-radial-gradient(
    circle at 88% 118%,
    transparent 0 40px,
    rgba(247, 245, 240, 0.07) 40px 41px
  );
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: 10px;
  width: 116%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: rotate(-5deg);
  opacity: 0.45;
  pointer-events: none;
}

.page-contact .contact-hero__kicker {
  position: relative;
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold-soft);
}

.page-contact .contact-hero__title {
  position: relative;
  margin: 0 0 16px;
  font-size: clamp(28px, 7.4vw, 50px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  max-width: 20em;
}

.page-contact .contact-hero__lead {
  position: relative;
  margin: 0;
  max-width: 42rem;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(247, 245, 240, 0.84);
}

.page-contact .channel-index {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-contact .channel-index__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 13px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(247, 245, 240, 0.28);
  background: rgba(247, 245, 240, 0.06);
  color: var(--paper);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-contact .channel-index__item .mono {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--gold);
  transition: color 0.18s ease;
}

.page-contact .channel-index__item:hover,
.page-contact .channel-index__item:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-contact .channel-index__item:hover .mono,
.page-contact .channel-index__item:focus-visible .mono {
  color: var(--ink);
}

/* 渠道带图 */
.page-contact .contact-band {
  position: relative;
  width: var(--shell);
  margin: 18px auto 0;
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-contact .contact-band__cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  margin: 0;
  padding: 6px 13px;
  border-radius: var(--r-pill);
  background: rgba(11, 27, 51, 0.82);
  color: var(--gold-soft);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
}

/* 渠道卡片 */
.page-contact .channels {
  width: var(--shell);
  margin: 40px auto 0;
}

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

.page-contact .channel-card {
  position: relative;
  padding: 30px 20px 24px;
  border-radius: var(--r-panel);
  border: 1px solid var(--contact-line);
  background: #ffffff;
  box-shadow: 0 22px 46px -38px var(--deep);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 26px 52px -34px var(--deep);
}

.page-contact .channel-card__coord {
  position: absolute;
  top: 14px;
  right: 16px;
  padding: 3px 10px;
  border: 1px dashed var(--contact-line);
  border-radius: var(--r-pill);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--data);
  transform: rotate(-4deg);
  transition: color 0.24s ease, border-color 0.24s ease;
}

.page-contact .channel-card:hover .channel-card__coord {
  color: var(--ink);
  border-color: var(--gold);
}

.page-contact .channel-card__type {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
}

.page-contact .channel-card__type--gold {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .channel-card__type--teal {
  background: rgba(30, 158, 143, 0.14);
  color: var(--teal);
  border: 1px solid rgba(30, 158, 143, 0.4);
}

.page-contact .channel-card__type--line {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--contact-line);
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-size: clamp(15px, 4.4vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--addr {
  font-family: var(--sans);
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .channel-card__desc {
  margin: 0 0 18px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--data);
}

.page-contact .channel-card__hint {
  margin: 0 0 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(201, 206, 214, 0.7);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--ink-2);
  font-weight: 700;
}

.page-contact .channel-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--gold);
}

/* 处理范围 */
.page-contact .scope {
  margin-top: 60px;
}

.page-contact .scope__head {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-contact .scope__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--data);
}

.page-contact .scope__kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(242, 180, 65, 0));
}

.page-contact .scope__title {
  margin: 0;
  font-size: clamp(24px, 5.6vw, 36px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-contact .scope__lead {
  margin: 0;
  max-width: 40rem;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--data);
}

.page-contact .scope__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .scope__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 22px 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .scope__item:last-child {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .scope__num {
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--gold);
  padding-top: 6px;
}

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

.page-contact .scope__item-title {
  margin: 0 0 8px;
  font-size: var(--fs-18);
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .scope__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--data);
  max-width: 38rem;
}

.page-contact .scope__tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 4px;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(30, 158, 143, 0.42);
  background: rgba(30, 158, 143, 0.1);
  color: var(--teal);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-contact .scope__figure {
  margin: 30px 0 0;
  border-radius: var(--r-panel);
  overflow: hidden;
  background: var(--ink);
}

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

/* 协作对接 */
.page-contact .collab {
  margin-top: 64px;
}

.page-contact .collab__head {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.page-contact .collab__title {
  margin: 0;
  font-size: clamp(24px, 5.4vw, 34px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-contact .collab__block {
  position: relative;
  padding: 4px 0 4px 18px;
  margin-bottom: 34px;
  border-left: 3px solid var(--gold);
}

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

.page-contact .collab__block-title {
  margin: 0 0 12px;
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .collab__text {
  margin: 0 0 12px;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--ink-2);
}

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

/* 延伸入口 */
.page-contact .next {
  margin-top: 60px;
}

.page-contact .next__title {
  margin: 0 0 20px;
  font-size: var(--fs-22);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-contact .next__grid {
  display: grid;
  gap: 12px;
}

.page-contact .next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--r-card);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-contact .next__link:hover,
.page-contact .next__link:focus-visible {
  background: var(--ink-2);
  transform: translateY(-2px);
}

.page-contact .next__link-text {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: var(--fs-16);
  line-height: 1.5;
}

.page-contact .next__link-label {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--gold);
  flex: none;
}

.page-contact .next__arrow {
  flex: none;
  color: var(--gold);
  font-size: var(--fs-18);
}

/* 中等屏幕 */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: 52px 44px 46px;
  }

  .page-contact .channel-card {
    padding: 34px 28px 28px;
  }

  .page-contact .scope__item {
    grid-template-columns: 64px minmax(0, 1fr) 190px;
    align-items: start;
    padding: 26px 0;
  }

  .page-contact .scope__tag {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    margin-top: 2px;
  }

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

  .page-contact .collab__block {
    padding-left: 26px;
    margin-bottom: 42px;
  }
}

/* 桌面：三卡错位 */
@media (min-width: 960px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 36px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: 14px;
  }

  .page-contact .contact-band img {
    max-height: 260px;
  }

  .page-contact .scope__figure img {
    max-height: 340px;
  }
}

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

  .page-contact .channel-card:hover,
  .page-contact .next__link:hover {
    transform: none;
  }
}