/* =========================================
   page-contact · 联系我们
   ========================================= */

.page-contact {
  background-color: var(--c-noir);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(52px, 8vw, 104px) 0 clamp(44px, 7vw, 88px);
  overflow: hidden;
  background:
    radial-gradient(118% 88% at 92% 2%, rgba(30, 124, 108, .24), transparent 60%),
    radial-gradient(88% 78% at -4% 100%, rgba(142, 30, 39, .20), transparent 58%),
    var(--c-noir);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-crimson) 0%, var(--c-gold) 34%, var(--c-turquoise) 68%, var(--c-indigo) 100%);
  opacity: .9;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-faint);
}

.page-contact .breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .28s var(--ease), border-color .28s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--c-bright);
  border-bottom-color: var(--c-bright);
}

.page-contact .eyebrow {
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-gold);
}

.page-contact h1 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6vw, 3.35rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--c-cream);
}

.page-contact .contact-hero__lead {
  max-width: 46ch;
  margin: 0 0 30px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--panel-solid);
  box-shadow: 0 34px 78px -46px rgba(0, 0, 0, .92);
}

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

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-turquoise));
}

/* ---------- 通用小节标题 ---------- */
.page-contact .section-head {
  max-width: 64ch;
  margin: 0 0 clamp(30px, 4.6vw, 52px);
}

.page-contact .section-head h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.3;
  color: var(--c-cream);
}

.page-contact .section-head p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 渠道 ---------- */
.page-contact .channels {
  padding: clamp(52px, 7.5vw, 96px) 0;
  border-top: 1px solid var(--hair-soft);
  background: linear-gradient(180deg, var(--c-noir) 0%, #090B10 55%, var(--c-noir) 100%);
}

.page-contact .channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 28px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--hair-soft);
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: -46%;
  right: -22%;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  filter: blur(48px);
  opacity: .24;
  pointer-events: none;
}

.page-contact .channel--mail { border-top: 3px solid var(--c-crimson); }
.page-contact .channel--phone { border-top: 3px solid var(--c-turquoise); }
.page-contact .channel--addr { border-top: 3px solid var(--c-gold); }

.page-contact .channel--mail::before { background: var(--c-crimson); }
.page-contact .channel--phone::before { background: var(--c-turquoise); }
.page-contact .channel--addr::before { background: var(--c-gold); }

.page-contact .channel:hover {
  transform: translateY(-3px);
  border-color: var(--hair);
  background: rgba(19, 30, 58, .74);
}

.page-contact .channel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  position: relative;
}

.page-contact .channel__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-gold);
}

.page-contact .channel__kind {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-faint);
}

.page-contact .channel__title {
  position: relative;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 800;
  line-height: 1.42;
  color: var(--c-cream);
}

.page-contact .channel__desc {
  position: relative;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .channel__value {
  position: relative;
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hair-soft);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-bright);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel--addr .channel__value {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
}

.page-contact .channel__meta {
  position: relative;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-faint);
}

/* ---------- 反馈信息清单 ---------- */
.page-contact .feedback {
  padding: clamp(52px, 7.5vw, 96px) 0;
  border-top: 1px solid var(--hair-soft);
  background: var(--c-noir);
}

.page-contact .feedback__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 64px);
}

.page-contact .feedback__intro h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.3;
  color: var(--c-cream);
}

.page-contact .feedback__intro p {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .feedback__hint {
  display: inline-block;
  margin: 0;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(201, 154, 60, .12);
  border: 1px solid rgba(201, 154, 60, .3);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-gold);
}

.page-contact .checklist {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .checklist li {
  counter-increment: step;
  position: relative;
  padding: 20px 22px 20px 64px;
  border-radius: var(--r-sm);
  background: linear-gradient(120deg, rgba(19, 30, 58, .74), rgba(12, 14, 19, .48));
  border: 1px solid var(--hair-soft);
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-contact .checklist li:hover {
  border-color: rgba(73, 183, 158, .34);
}

.page-contact .checklist li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 20px;
  left: 18px;
  padding: 4px 7px;
  border-radius: 4px;
  background: var(--c-gold);
  color: var(--c-noir);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: .06em;
}

.page-contact .checklist strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-cream);
}

.page-contact .checklist span {
  display: block;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 咨询分流 ---------- */
.page-contact .routing {
  padding: clamp(52px, 7.5vw, 96px) 0;
  border-top: 1px solid var(--hair-soft);
  background:
    radial-gradient(96% 78% at 6% 0%, rgba(19, 30, 58, .9), transparent 62%),
    var(--c-noir);
}

.page-contact .routing__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 58px);
  align-items: center;
}

.page-contact .routing__visual {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--panel-solid);
}

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

.page-contact .routing__body h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.3;
  color: var(--c-cream);
}

.page-contact .routing__lead {
  margin: 0 0 26px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .routing__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .routing__item a {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--r-sm);
  background: rgba(19, 30, 58, .46);
  border: 1px solid var(--hair-soft);
  text-decoration: none;
  color: var(--ink);
  transition: background-color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .routing__item a:hover,
.page-contact .routing__item a:focus-visible {
  background: rgba(30, 124, 108, .18);
  border-color: rgba(73, 183, 158, .42);
  transform: translateX(4px);
}

.page-contact .routing__no {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-contact .routing__body-text {
  min-width: 0;
}

.page-contact .routing__body-text strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-cream);
}

.page-contact .routing__body-text > span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .routing__arrow {
  flex-shrink: 0;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-turquoise);
  transition: color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .routing__item a:hover .routing__arrow,
.page-contact .routing__item a:focus-visible .routing__arrow {
  color: var(--c-bright);
  transform: translateX(3px);
}

/* ---------- 跟进节奏 ---------- */
.page-contact .cadence {
  padding: clamp(52px, 7.5vw, 96px) 0;
  border-top: 1px solid var(--hair-soft);
  background: var(--c-noir);
}

.page-contact .cadence__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-contact .cadence__step {
  position: relative;
  padding-top: 32px;
}

.page-contact .cadence__step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-noir);
  border: 2px solid var(--c-gold);
  z-index: 1;
}

.page-contact .cadence__step::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 14px;
  right: 0;
  height: 1px;
  background: var(--hair);
  display: none;
}

.page-contact .cadence__step .mono {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-gold);
}

.page-contact .cadence__step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-cream);
}

.page-contact .cadence__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 底部备案与地区信息 ---------- */
.page-contact .contact-legal {
  padding: 26px 0 clamp(30px, 5vw, 46px);
  border-top: 1px solid var(--hair);
  background: var(--c-noir);
}

.page-contact .contact-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink-faint);
}

.page-contact .contact-legal__sep {
  width: 1px;
  height: 12px;
  background: var(--hair);
}

.page-contact .contact-legal__inner a {
  color: var(--c-turquoise);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .28s var(--ease), border-color .28s var(--ease);
}

.page-contact .contact-legal__inner a:hover {
  color: var(--c-bright);
  border-bottom-color: var(--c-bright);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }
}

@media (min-width: 960px) {
  .page-contact .feedback__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .routing__grid {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .channels__grid {
    grid-template-columns: 1.14fr .93fr .93fr;
  }

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

@media (min-width: 800px) {
  .page-contact .cadence__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 18px;
  }

  .page-contact .cadence__step {
    padding: 32px 24px 0 0;
  }

  .page-contact .cadence__step::after {
    display: block;
  }

  .page-contact .cadence__step:last-child::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .routing__item a,
  .page-contact .routing__arrow,
  .page-contact .breadcrumb a,
  .page-contact .contact-legal__inner a {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .routing__item a:hover,
  .page-contact .routing__item a:focus-visible {
    transform: none;
  }

  .page-contact .routing__item a:hover .routing__arrow,
  .page-contact .routing__item a:focus-visible .routing__arrow {
    transform: none;
  }
}