/* ===== 咨询通道 · 页面专属样式 ===== */
.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-pad: clamp(16px, 2.4vw, 26px);
  display: block;
  padding-top: clamp(14px, 2.4vw, 26px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact section {
  margin-top: clamp(34px, 5vw, 64px);
}

/* ---------- 面包屑下的首屏 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  border: var(--frame-w) solid var(--c-line);
  border-radius: var(--radius);
  background:
    radial-gradient(110% 130% at 90% 6%, rgba(34, 224, 255, 0.18), rgba(34, 224, 255, 0) 58%),
    radial-gradient(90% 110% at 2% 98%, rgba(255, 122, 26, 0.16), rgba(255, 122, 26, 0) 62%),
    linear-gradient(155deg, var(--c-ink-800) 0%, var(--c-band) 54%, var(--c-ink-900) 100%);
  box-shadow: var(--shadow-hard);
  padding: var(--pc-pad);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(42, 58, 92, 0.5) 0 1px, transparent 1px 66px),
    repeating-linear-gradient(0deg, rgba(42, 58, 92, 0.36) 0 1px, transparent 1px 66px);
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(160deg, #000 8%, transparent 76%);
  mask-image: linear-gradient(160deg, #000 8%, transparent 76%);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.page-contact .contact-hero__title {
  margin: 0 0 14px;
  font-family: var(--f-sans);
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.16;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__text {
  margin: 0 0 20px;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 16px);
  line-height: 1.75;
  color: var(--c-text);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.page-contact .contact-hero__actions .btn {
  flex: 1 1 auto;
  text-align: center;
  min-width: 168px;
}

.page-contact .contact-hero__hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--c-muted);
}

.page-contact .contact-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--c-line);
  background: linear-gradient(140deg, rgba(20, 32, 63, 0.9), rgba(6, 11, 26, 0.6));
  padding: 8px;
}

.page-contact .contact-hero__svg {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto;
}

/* ---------- 章节抬头 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-contact .section-head__index {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}

.page-contact .section-head__title {
  margin: 0 0 10px;
  font-family: var(--f-sans);
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--c-white);
}

.page-contact .section-head__desc {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ---------- 01 电话 / 邮箱 / 地址 ---------- */
.page-contact .contact-direct__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .direct-card {
  position: relative;
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--c-ink-800), var(--c-ink-900));
  padding: clamp(16px, 2.2vw, 22px);
  overflow: hidden;
}

.page-contact .direct-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--c-cyan);
}

.page-contact .direct-card--mail::before {
  background: var(--c-orange);
}

.page-contact .direct-card--addr::before {
  background: var(--c-band);
  box-shadow: inset 0 0 0 1px var(--c-line);
}

.page-contact .direct-card__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-contact .direct-card__value {
  margin: 0 0 10px;
  color: var(--c-white);
  overflow-wrap: anywhere;
}

.page-contact .direct-card__value--phone {
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact .direct-card__value--mail {
  font-size: clamp(15px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-cyan);
}

.page-contact .direct-card__value--addr {
  font-family: var(--f-sans);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.7;
  color: var(--c-text);
}

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

/* ---------- 02 需求分流 ---------- */
.page-contact .hub {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .hub__routes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .hub__route {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: center;
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-ink-800);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.page-contact .hub__route-key {
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--c-line);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-cyan);
  background: var(--c-ink-900);
}

.page-contact .hub__route-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.4;
}

.page-contact .hub__route-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-contact .hub__route:hover {
  border-color: var(--c-orange-soft);
}

.page-contact #pc-need-sub:checked ~ .hub__routes .hub__route--sub,
.page-contact #pc-need-biz:checked ~ .hub__routes .hub__route--biz,
.page-contact #pc-need-media:checked ~ .hub__routes .hub__route--media,
.page-contact #pc-need-fix:checked ~ .hub__routes .hub__route--fix {
  border-color: var(--c-cyan);
  background: linear-gradient(90deg, rgba(34, 224, 255, 0.16), rgba(34, 224, 255, 0) 72%), var(--c-ink-700);
  box-shadow: 5px 5px 0 rgba(3, 7, 18, 0.85);
  transform: translate(-2px, -2px);
}

.page-contact #pc-need-biz:checked ~ .hub__routes .hub__route--biz {
  border-color: var(--c-orange);
  background: linear-gradient(90deg, rgba(255, 122, 26, 0.18), rgba(255, 122, 26, 0) 72%), var(--c-ink-700);
}

.page-contact #pc-need-biz:checked ~ .hub__routes .hub__route--biz .hub__route-key {
  color: var(--c-orange);
}

.page-contact .hub__panel {
  border: var(--frame-w) solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--c-ink-800), var(--c-ink-900));
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2.4vw, 26px);
}

.page-contact .hub__pane {
  display: none;
}

.page-contact #pc-need-sub:checked ~ .hub__panel .hub__pane--sub,
.page-contact #pc-need-biz:checked ~ .hub__panel .hub__pane--biz,
.page-contact #pc-need-media:checked ~ .hub__panel .hub__pane--media,
.page-contact #pc-need-fix:checked ~ .hub__panel .hub__pane--fix {
  display: block;
}

.page-contact .hub__pane-key {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-contact .hub__pane-title {
  margin: 0 0 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--f-sans);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--c-white);
}

.page-contact .hub__pane-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .hub__pane-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-contact .hub__pane-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--c-cyan);
  background: rgba(34, 224, 255, 0.18);
}

.page-contact .hub__pane-note {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-left: 3px solid var(--c-muted);
  background: var(--c-ink-700);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-contact .hub__pane-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-contact .hub__pane-link:hover {
  color: var(--c-orange-soft);
}

/* ---------- 03 提交前准备 ---------- */
.page-contact .prepare__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
}

.page-contact .prepare__list {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .prep-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-ink-800);
  padding: 13px 15px;
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease;
}

.page-contact .prep-item:hover {
  border-color: var(--c-cyan);
}

.page-contact .prep-item__box {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 2px solid var(--c-line);
  background: var(--c-ink-900);
}

.page-contact .prep-item__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--c-ink-900);
  border-bottom: 2px solid var(--c-ink-900);
  transform: rotate(42deg) scale(0.4);
  opacity: 0;
  transition: opacity 140ms ease, transform 140ms ease;
}

.page-contact .prep-item__check:checked ~ .prep-item__box {
  border-color: var(--c-mint);
  background: var(--c-mint);
}

.page-contact .prep-item__check:checked ~ .prep-item__box::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

.page-contact .prep-item__check:focus-visible ~ .prep-item__box {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-contact .prep-item__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-contact .prep-item__check:checked ~ .prep-item__text {
  color: var(--c-muted);
}

.page-contact .prepare__figure,
.page-contact .cadence__figure {
  margin: 0;
}

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

/* ---------- 04 回复节奏 ---------- */
.page-contact .cadence__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
}

.page-contact .cadence__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  position: relative;
  display: grid;
  gap: 14px;
}

.page-contact .cadence__steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan), var(--c-band));
}

.page-contact .cadence__step {
  position: relative;
  padding: 0 0 0 30px;
}

.page-contact .cadence__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--c-cyan);
  background: var(--c-ink-900);
}

.page-contact .cadence__step:last-child .cadence__dot {
  border-color: var(--c-muted);
}

.page-contact .cadence__time {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-cyan);
}

.page-contact .cadence__step:last-child .cadence__time {
  color: var(--c-muted);
}

.page-contact .cadence__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ---------- 05 企业合作 ---------- */
.page-contact .enterprise__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .enterprise__card {
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-ink-800);
  padding: clamp(16px, 2.2vw, 22px);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-contact .enterprise__card:hover {
  border-color: var(--c-cyan);
  transform: translateY(-3px);
}

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

.page-contact .enterprise__title {
  margin: 0 0 10px;
  font-family: var(--f-sans);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-white);
}

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

.page-contact .enterprise__note {
  margin-top: 16px;
}

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

/* ---------- 06 站点信息 ---------- */
.page-contact .site-info__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  border: var(--frame-w) solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--c-ink-800), var(--c-ink-900));
  padding: clamp(16px, 2.4vw, 26px);
}

.page-contact .site-info__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .site-info__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .site-info__row:first-child {
  padding-top: 0;
}

.page-contact .site-info__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .site-info__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-contact .site-info__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-white);
  overflow-wrap: anywhere;
}

.page-contact .site-info__links-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-contact .site-info__link-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .site-info__link-list li {
  border-left: 1px solid var(--c-line);
  padding-left: 12px;
}

.page-contact .site-info__link-list a {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text);
  text-decoration: none;
}

.page-contact .site-info__link-list a:hover {
  color: var(--c-cyan);
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-contact .direct-card--addr {
    grid-column: 1 / -1;
  }

  .page-contact .prepare__grid,
  .page-contact .cadence__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

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

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

  .page-contact .site-info__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-contact .hub {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 18px;
  }

  .page-contact .contact-direct__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-contact .direct-card--addr {
    grid-column: auto;
  }

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

@media (min-width: 1120px) {
  .page-contact .contact-hero {
    padding: clamp(30px, 3.6vw, 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .hub__route,
  .page-contact .prep-item,
  .page-contact .prep-item__box::after,
  .page-contact .enterprise__card {
    transition: none;
  }

  .page-contact #pc-need-sub:checked ~ .hub__routes .hub__route--sub,
  .page-contact #pc-need-biz:checked ~ .hub__routes .hub__route--biz,
  .page-contact #pc-need-media:checked ~ .hub__routes .hub__route--media,
  .page-contact #pc-need-fix:checked ~ .hub__routes .hub__route--fix,
  .page-contact .enterprise__card:hover {
    transform: none;
  }
}