.page-contact {
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(31px, 6.6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--text);
  max-width: 15ch;
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.06);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 11, 14, 0) 42%, rgba(10, 11, 14, 0.86) 100%);
  pointer-events: none;
}

.page-contact .contact-hero__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 36px 16px 14px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

/* ---------- 渠道 + 流程 ---------- */
.page-contact .contact-grid {
  display: grid;
  gap: clamp(30px, 4.5vw, 48px);
  padding: clamp(34px, 5vw, 62px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-grid__h {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .contact-grid__lead {
  margin: 14px 0 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 46ch;
}

/* 渠道清单 */
.page-contact .channels {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .channels__item {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line);
}

.page-contact .channels__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.page-contact .channels__value {
  display: inline-block;
  max-width: 100%;
  font-size: clamp(15px, 2.1vw, 18px);
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  overflow-wrap: anywhere;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

.page-contact .channels__note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
  max-width: 40ch;
}

/* 四步流程 */
.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 16px;
  padding-bottom: 26px;
}

.page-contact .steps__item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 2px;
  border-left: 1px dashed var(--line);
}

.page-contact .steps__item:last-child::before {
  display: none;
}

.page-contact .steps__item:last-child {
  padding-bottom: 0;
}

.page-contact .steps__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--orange);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .steps__item:hover .steps__num,
.page-contact .steps__item:focus-within .steps__num {
  background: var(--orange-dim);
  border-color: var(--orange);
}

.page-contact .steps__item--end .steps__num {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, 0.14);
}

.page-contact .steps__h {
  margin: 8px 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .steps__text {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .steps__more {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--faint);
  font-size: 13.5px;
  line-height: 1.7;
  transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease), margin-top 0.3s var(--ease);
}

.page-contact .steps__item:hover .steps__more,
.page-contact .steps__item:focus-within .steps__more {
  max-height: 140px;
  opacity: 1;
  margin-top: 8px;
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-hours {
  padding: clamp(34px, 5vw, 58px) 0;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-hours__h {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--text);
  max-width: 22ch;
}

.page-contact .contact-hours__p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
  max-width: 62ch;
}

.page-contact .scope {
  list-style: none;
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .scope__item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .scope__item:hover {
  padding-left: 10px;
  border-bottom-color: var(--orange);
}

.page-contact .scope__k {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .scope__v {
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.75;
  max-width: 60ch;
}

.page-contact .contact-hours__figure {
  position: relative;
  margin: clamp(26px, 4vw, 42px) 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .contact-hours__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.9;
}

.page-contact .contact-hours__cap {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.09em;
}

/* ---------- 内容合作 ---------- */
.page-contact .contact-collab {
  padding: clamp(34px, 5vw, 58px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-collab__h {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--text);
  max-width: 24ch;
}

.page-contact .contact-collab__p {
  margin: 14px 0 clamp(22px, 3.5vw, 34px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
  max-width: 64ch;
}

.page-contact .collab-grid {
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .collab-card {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.24s var(--ease);
}

.page-contact .collab-card:hover {
  border-bottom-color: var(--orange);
}

.page-contact .collab-card__h {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--text);
}

.page-contact .collab-card__p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .collab-card__meta {
  margin: 14px 0 0;
  color: var(--faint);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

/* ---------- 来信准备 ---------- */
.page-contact .contact-prep {
  padding: clamp(34px, 5vw, 58px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-prep__h {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--text);
  max-width: 22ch;
}

.page-contact .contact-prep__p {
  margin: 14px 0 clamp(20px, 3vw, 30px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
  max-width: 60ch;
}

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

.page-contact .prep__item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  padding: 15px 12px 15px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-contact .prep__item:hover {
  background: var(--panel);
  padding-left: 12px;
}

.page-contact .prep__box {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1px solid var(--orange);
  background: transparent;
  position: relative;
}

.page-contact .prep__box::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 10px;
  height: 5px;
  border-left: 1px solid var(--orange);
  border-bottom: 1px solid var(--orange);
  transform: rotate(-45deg);
  opacity: 0.55;
}

.page-contact .prep__text {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .prep__text strong {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 其他疑问 ---------- */
.page-contact .contact-else {
  padding: clamp(34px, 5vw, 58px) 0 0;
}

.page-contact .contact-else__h {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--text);
  max-width: 22ch;
}

.page-contact .contact-else__p {
  margin: 14px 0 clamp(20px, 3vw, 30px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
  max-width: 58ch;
}

.page-contact .else-grid {
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .else-card {
  display: grid;
  gap: 8px;
  padding: 22px 0 24px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.24s var(--ease);
}

.page-contact .else-card:hover,
.page-contact .else-card:focus-visible {
  border-bottom-color: var(--orange);
}

.page-contact .else-card__k {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--faint);
  transition: color 0.22s var(--ease);
}

.page-contact .else-card:hover .else-card__k,
.page-contact .else-card:focus-visible .else-card__k {
  color: var(--orange);
}

.page-contact .else-card__h {
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.65;
  max-width: 34ch;
}

.page-contact .else-card__go {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-contact .scope__item {
    grid-template-columns: 118px minmax(0, 1fr);
    column-gap: 22px;
    align-items: baseline;
  }

  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(18px, 2.6vw, 34px);
  }

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

  .page-contact .prep__item {
    border-right: 1px solid var(--line);
    padding-right: 18px;
  }

  .page-contact .prep__item:nth-child(even) {
    border-right: 0;
    padding-left: 18px;
  }

  .page-contact .else-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(18px, 2.6vw, 34px);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    column-gap: clamp(28px, 4.5vw, 64px);
    align-items: end;
    padding-bottom: clamp(40px, 5vw, 72px);
  }

  .page-contact .contact-hours__head {
    grid-template-columns: 104px minmax(0, 1fr);
    column-gap: clamp(16px, 2.5vw, 32px);
    align-items: start;
  }

  .page-contact .contact-collab,
  .page-contact .contact-prep {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    column-gap: clamp(16px, 2.5vw, 32px);
    align-items: start;
  }

  .page-contact .contact-collab .section-num,
  .page-contact .contact-prep .section-num {
    margin-top: 6px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    column-gap: clamp(36px, 5vw, 84px);
  }
}

/* 触屏设备：流程细节常显，避免悬停不可用 */
@media (hover: none) {
  .page-contact .steps__more {
    max-height: none;
    opacity: 1;
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .steps__more,
  .page-contact .steps__num,
  .page-contact .channels__value,
  .page-contact .scope__item,
  .page-contact .prep__item,
  .page-contact .collab-card,
  .page-contact .else-card {
    transition: none;
  }
}
<<<END>>>