.page-contact {
  display: block;
  color: var(--text-1);
  background:
    radial-gradient(900px 520px at 84% -8%, rgba(23, 195, 178, .10), transparent 62%),
    radial-gradient(680px 420px at 4% 14%, rgba(255, 90, 54, .07), transparent 60%);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 4vw, 30px);
}

.page-contact .crumb {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-contact .crumb + .crumb::before {
  content: "/";
  margin-right: 8px;
  color: var(--slate);
  opacity: .6;
}

.page-contact .contact-block {
  padding: clamp(40px, 7vw, 80px) 0;
}

.page-contact .contact-block--tight {
  padding: clamp(26px, 4.5vw, 50px) 0 clamp(18px, 3vw, 30px);
}

.page-contact .contact-block--tint {
  background: linear-gradient(180deg, rgba(18, 41, 63, .74) 0%, rgba(6, 15, 25, .5) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 66px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.02em;
  max-width: 14em;
}

.page-contact .contact-lede {
  max-width: 34em;
  color: var(--text-2);
}

/* ---------- 通用标题 ---------- */
.page-contact .section-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--text-1);
}

.page-contact .prose {
  max-width: 34em;
  color: var(--text-2);
}

.page-contact .prose a {
  color: var(--teal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .consult-lede {
  margin-top: 0;
}

/* ---------- 联系方式区 ---------- */
.page-contact .ch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 26px;
}

@media (min-width: 64em) {
  .page-contact .ch-grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(280px, .92fr);
    gap: 30px;
    align-items: start;
  }
}

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

.page-contact .channel {
  position: relative;
  padding: 22px 30px 22px 28px;
  background: linear-gradient(155deg, rgba(18, 41, 63, .95) 0%, rgba(11, 26, 43, .98) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-contact .channel--cut {
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  border-radius: 0;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.page-contact .channel--mail::before { background: var(--teal); }
.page-contact .channel--phone::before { background: var(--pulse); }
.page-contact .channel--addr::before { background: var(--violet); }

.page-contact .channel:hover {
  border-color: var(--teal-line);
  background: linear-gradient(155deg, rgba(23, 195, 178, .10) 0%, rgba(11, 26, 43, .99) 100%);
}

.page-contact .channel-label {
  color: var(--slate);
}

.page-contact .channel-value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.2vw, 26px);
  line-height: 1.36;
  letter-spacing: -.01em;
  color: var(--text-1);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-value--addr {
  font-size: clamp(14px, 3.2vw, 19px);
  line-height: 1.6;
}

.page-contact .channel-use {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .channel-tip {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 13px;
  border: 1px dashed var(--teal-line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--teal-soft);
}

/* ---------- 响应节奏侧栏 ---------- */
.page-contact .sla {
  padding: 22px 22px 18px;
  border: 1px solid var(--teal-line);
  background: linear-gradient(170deg, rgba(18, 41, 63, .96), rgba(6, 15, 25, .99));
}

.page-contact .sla-title {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--text-1);
}

.page-contact .sla-row {
  padding: 15px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .sla-row:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .sla-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 12px;
}

.page-contact .sla-k {
  font-size: 14px;
  color: var(--text-2);
}

.page-contact .sla-v {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--teal-soft);
}

.page-contact .sla-bar {
  display: block;
  height: 6px;
  margin: 12px 0 10px;
  border-radius: 999px;
  background: rgba(143, 163, 184, .18);
  overflow: hidden;
}

.page-contact .sla-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--teal-soft));
  transition: filter .3s var(--ease);
}

.page-contact .sla-fill--a { width: 56%; }

.page-contact .sla-fill--b {
  width: 90%;
  background: linear-gradient(90deg, var(--violet), var(--pulse));
}

.page-contact .sla-hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  transition: color .25s var(--ease);
}

.page-contact .sla-row:hover .sla-hint,
.page-contact .sla-row:focus-within .sla-hint {
  color: var(--teal-soft);
}

/* ---------- 图片 ---------- */
.page-contact .figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-contact .figure--band img {
  height: clamp(190px, 26vw, 330px);
}

.page-contact .figure--wide {
  margin-top: 0;
}

.page-contact .figure--wide img {
  height: clamp(200px, 32vw, 400px);
}

.page-contact .figure-cap {
  margin: 0;
  padding: 11px 16px 13px;
  font-size: 12px;
  letter-spacing: .12em;
  line-height: 1.6;
  color: var(--slate);
  background: rgba(6, 15, 25, .92);
  border-top: 1px solid var(--line);
}

/* ---------- 两栏错位 ---------- */
.page-contact .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

@media (min-width: 60em) {
  .page-contact .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .split--followup {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 48px;
    margin-top: 34px;
  }
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .prep {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid rgba(122, 92, 255, .55);
  border-radius: var(--radius-sm);
  background: rgba(18, 41, 63, .55);
  transition: transform .26s var(--ease), border-color .26s var(--ease);
}

.page-contact .prep:hover {
  transform: translateX(4px);
  border-color: var(--teal-line);
  border-left-color: var(--teal);
}

.page-contact .prep-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--violet);
  padding-top: 3px;
}

.page-contact .prep-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-1);
}

.page-contact .prep-text {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-2);
}

.page-contact .prep-text a {
  color: var(--teal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 咨询类型折叠 ---------- */
.page-contact .consult-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .consult {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(18, 41, 63, .5);
  overflow: hidden;
  transition: border-color .26s var(--ease), background .26s var(--ease);
}

.page-contact .consult[open] {
  border-color: var(--teal-line);
  background: rgba(18, 41, 63, .86);
}

.page-contact .consult-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}

.page-contact .consult-head::-webkit-details-marker { display: none; }

.page-contact .consult-head:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-contact .consult-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-contact .consult-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-1);
}

.page-contact .consult-cue {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--teal-line);
  border-radius: 999px;
  color: var(--teal-soft);
  font-size: 14px;
  line-height: 1;
  transition: transform .26s var(--ease), background .26s var(--ease);
}

.page-contact .consult[open] .consult-cue {
  transform: rotate(45deg);
  background: rgba(23, 195, 178, .16);
}

.page-contact .consult-body {
  padding: 0 20px 20px;
}

.page-contact .consult-body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-contact .consult-body ul {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-contact .consult-body li {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-contact .consult-body li::marker {
  color: var(--teal);
}

.page-contact .consult-path {
  margin: 14px 0 0 !important;
  padding: 10px 14px;
  border-left: 3px solid var(--pulse);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(255, 90, 54, .08);
  font-size: 13.5px !important;
  line-height: 1.72;
  color: var(--text-1) !important;
}

/* ---------- 跟进步骤 ---------- */
.page-contact .step-list {
  list-style: none;
  counter-reset: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(6, 15, 25, .62);
  border: 1px solid var(--line);
  transition: border-color .26s var(--ease);
}

.page-contact .step:hover {
  border-color: var(--teal-line);
}

.page-contact .step-no {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--teal-soft);
}

.page-contact .step-title {
  margin: 3px 0 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-1);
}

.page-contact .step-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--text-2);
}

/* ---------- 站点信息 ---------- */
.page-contact .fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 34em) {
  .page-contact .fact {
    grid-template-columns: minmax(150px, 4fr) minmax(0, 8fr);
    align-items: baseline;
    gap: 18px;
  }
}

.page-contact .fact-k {
  color: var(--slate);
}

.page-contact .fact-v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-1);
  overflow-wrap: anywhere;
}

.page-contact .fact-v--num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--teal-soft);
}

/* ---------- 结尾入口 ---------- */
.page-contact .contact-block--cta {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 26, 43, .4), rgba(6, 15, 25, .88));
}

.page-contact .next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 60em) {
  .page-contact .next {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 40px;
  }
}

.page-contact .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .next-note {
  margin: 26px 0 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .next-note a {
  color: var(--teal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 40em) {
  .page-contact .channel {
    padding: 18px 22px 18px 22px;
  }

  .page-contact .channel--cut {
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  }

  .page-contact .consult-head {
    gap: 10px;
    padding: 14px 16px;
  }

  .page-contact .consult-body {
    padding: 0 16px 18px;
  }

  .page-contact .channel-tip {
    letter-spacing: .08em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .prep,
  .page-contact .consult,
  .page-contact .consult-cue,
  .page-contact .sla-fill,
  .page-contact .sla-hint,
  .page-contact .step {
    transition: none;
  }

  .page-contact .prep:hover {
    transform: none;
  }
}