.page-contact {
  --ct-gap: clamp(16px, 2.2vw, 30px);
  --ct-radius: var(--radius-lg);
  padding-bottom: clamp(40px, 6vw, 90px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 34px);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .breadcrumb [aria-current="page"] { color: var(--white); }
.page-contact .breadcrumb-sep { color: var(--steel); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero { padding-top: 0; }
.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  margin-top: clamp(22px, 3.4vw, 44px);
  align-items: end;
}
.page-contact .contact-hero-main { min-width: 0; }
.page-contact .contact-hero-main h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 72px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 16px 0 0;
  max-width: 15ch;
}
.page-contact .contact-hero-main .lede {
  margin-top: 18px;
  max-width: 54ch;
  color: var(--mist);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
}

.page-contact .contact-hero-side {
  position: relative;
  padding: 24px 22px 26px;
  border-radius: var(--ct-radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(43, 224, 200, .15), transparent 62%),
    linear-gradient(180deg, rgba(22, 50, 79, .92), rgba(14, 23, 38, .95));
  overflow: hidden;
}
.page-contact .contact-hero-side::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 48px;
  height: 3px;
  background: var(--cyan);
  border-radius: 0 0 3px 3px;
}
.page-contact .contact-hero-side-label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-contact .contact-hero-side-value {
  margin-top: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -.01em;
  color: var(--white);
}
.page-contact .contact-hero-side-text {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 通用：章节头微调 ---------- */
.page-contact .section-head { margin-bottom: 0; }

/* ---------- 01 三条渠道 ---------- */
.page-contact .contact-channels .figure-frame {
  margin: clamp(22px, 3vw, 34px) 0 0;
}
.page-contact .contact-channel-grid {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(20px, 2.6vw, 30px);
}
.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(22px, 2.3vw, 32px);
  border-radius: var(--ct-radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(22, 50, 79, .92), rgba(14, 23, 38, .96));
  overflow: hidden;
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}
.page-contact .contact-channel::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--accent, var(--steel));
}
.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.page-contact .contact-channel--mail { --accent: var(--red); }
.page-contact .contact-channel--phone { --accent: var(--gold); }
.page-contact .contact-channel--place { --accent: var(--cyan); }

.page-contact .contact-channel-flag {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--accent, var(--steel));
}
.page-contact .contact-channel-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 1.9vw, 25px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 0;
}
.page-contact .contact-channel-value {
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.55;
  color: var(--gold-light);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.page-contact .contact-channel--place .contact-channel-value { color: var(--white); }
.page-contact .contact-channel--phone .contact-channel-value {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
}
.page-contact .contact-channel-desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .contact-channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  opacity: .58;
  transition: opacity .24s var(--ease);
}
.page-contact .contact-channel:hover .contact-channel-tags,
.page-contact .contact-channel:focus-within .contact-channel-tags { opacity: 1; }
.page-contact .contact-channel-action {
  margin-top: auto;
  padding-top: 6px;
}
.page-contact .contact-channel-action .btn { width: 100%; }

/* ---------- 02 按问题选渠道 ---------- */
.page-contact .contact-route-list {
  margin-top: clamp(20px, 2.6vw, 32px);
  border-top: 1px solid var(--line);
}
.page-contact .contact-route {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color .24s var(--ease);
}
.page-contact .contact-route:hover { border-bottom-color: rgba(43, 224, 200, .5); }
.page-contact .contact-route-kind {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.35;
  color: var(--white);
}
.page-contact .contact-route-desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .contact-route-where {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 03 响应时间 ---------- */
.page-contact .contact-response-grid {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(22px, 3vw, 34px);
}
.page-contact .contact-response-stat {
  padding: clamp(26px, 3vw, 36px);
  border-radius: var(--ct-radius);
  border: 1px solid rgba(200, 16, 46, .38);
  background: linear-gradient(150deg, rgba(200, 16, 46, .24), rgba(14, 23, 38, .94) 64%);
}
.page-contact .contact-response-num {
  font-size: clamp(56px, 9vw, 104px);
  font-weight: 700;
  line-height: .9;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.page-contact .contact-response-unit {
  margin-top: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 1.6vw, 21px);
  color: var(--white);
}
.page-contact .contact-response-note {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .contact-response-points {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-contact .contact-point {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-point h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.4;
  color: var(--white);
  margin: 0 0 8px;
}
.page-contact .contact-point p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 04 备案与归属 ---------- */
.page-contact .contact-registry-inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
  align-items: center;
}
.page-contact .contact-registry-main { min-width: 0; }
.page-contact .contact-registry-main .section-title { margin-top: 12px; }
.page-contact .contact-registry-lede {
  margin-top: 16px;
  max-width: 50ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .contact-facts {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  border-top: 1px solid var(--line);
}
.page-contact .contact-fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-fact dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--steel);
}
.page-contact .contact-fact dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: clamp(15px, 1.25vw, 18px);
  color: var(--white);
}
.page-contact .contact-copy {
  padding: 4px 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  background: rgba(43, 224, 200, .1);
  border: 1px solid rgba(43, 224, 200, .38);
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  background: rgba(43, 224, 200, .22);
  color: var(--white);
}
.page-contact .contact-registry-figure {
  margin: 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
}
.page-contact .contact-registry-figure .figure-caption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

/* ---------- 05 准备清单 ---------- */
.page-contact .contact-checklist {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .contact-check {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .contact-check-box {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 5px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: rgba(22, 50, 79, .62);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-contact .contact-check:hover .contact-check-box {
  border-color: var(--cyan);
  background: rgba(43, 224, 200, .12);
}
.page-contact .contact-check:hover .contact-check-box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--cyan);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ---------- 收尾导航 ---------- */
.page-contact .contact-next-inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(24px, 3vw, 40px);
  border-top: 1px solid var(--line);
}
.page-contact .contact-next-lede {
  margin-top: 14px;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .contact-next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .contact-next-links li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-next-links a {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--white);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-contact .contact-next-links a:hover,
.page-contact .contact-next-links a:focus-visible { color: var(--cyan); }
.page-contact .contact-next-links span {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-fact {
    grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
  .page-contact .contact-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .85fr);
    gap: clamp(30px, 4vw, 60px);
  }
  .page-contact .contact-channel-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr) minmax(0, .88fr);
  }
  .page-contact .contact-route {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.55fr) minmax(0, .7fr);
    gap: 28px;
    align-items: baseline;
    padding: 24px 0;
  }
  .page-contact .contact-route-where { text-align: right; }
  .page-contact .contact-response-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 3.6vw, 56px);
  }
  .page-contact .contact-registry-inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
  }
  .page-contact .contact-next-inner {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: clamp(30px, 4vw, 64px);
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-route { padding: 26px 0; }
  .page-contact .contact-check { font-size: 15px; }
}