.page-contact {
  background: var(--fg-void);
  color: var(--fg-ice);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(24px, 5vw, 48px) clamp(40px, 7vw, 80px);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 50%;
  top: -240px;
  width: min(920px, 135%);
  height: 640px;
  transform: translateX(-50%);
  background:
    radial-gradient(closest-side, rgba(108, 43, 217, 0.55), rgba(108, 43, 217, 0) 72%),
    radial-gradient(closest-side, rgba(34, 230, 230, 0.16), rgba(34, 230, 230, 0) 70%);
  pointer-events: none;
}
.page-contact .contact-hero h1 {
  max-width: 15ch;
  margin: 0.28em 0 0.42em;
}
.page-contact .contact-hero .lead {
  max-width: 62ch;
  margin: 0;
}
.page-contact .hero-tags {
  margin-top: 24px;
}

/* ---------- 通道分流 ---------- */
.page-contact .lanes-section {
  padding-block: clamp(38px, 6vw, 76px);
}
.page-contact .lane-head {
  display: grid;
  gap: 26px;
  align-items: end;
}
.page-contact .lane-head__copy h2 {
  margin: 10px 0 14px;
}
.page-contact .lane-head__copy .lead {
  margin: 0;
  max-width: 46ch;
}
.page-contact .lane-media {
  margin: 0;
}

.page-contact .lane-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .lane {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 20px 26px;
  background: linear-gradient(165deg, rgba(18, 16, 31, 0.96), rgba(5, 4, 10, 0.88));
  border: 1px solid var(--fg-line-strong);
  border-top: 5px solid var(--lane-accent, var(--fg-violet));
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .lane:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--fg-shadow-hard);
}
.page-contact .lane--ent {
  --lane-accent: var(--fg-cyan);
}
.page-contact .lane--fam {
  --lane-accent: var(--fg-pink);
}
.page-contact .lane--partner {
  --lane-accent: var(--fg-orange);
}
.page-contact .lane__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lane-accent, var(--fg-cyan));
}
.page-contact .lane__title {
  margin: 0;
  font-family: var(--fg-font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.2;
}
.page-contact .lane__fit {
  margin: 0;
  color: var(--fg-mist);
  font-size: 15px;
  line-height: 1.7;
}
.page-contact .lane__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-contact .lane__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--fg-ice);
}
.page-contact .lane__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  background: var(--lane-accent, var(--fg-cyan));
  transform: rotate(45deg);
}
.page-contact .lane .btn {
  margin-top: auto;
  align-self: flex-start;
}
.page-contact .lane--partner .lane__body {
  display: grid;
  gap: 16px;
}

/* ---------- 联系信息面板 ---------- */
.page-contact .contact-panel-section {
  padding-block: clamp(40px, 7vw, 90px);
}
.page-contact .contact-panel {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  padding: clamp(20px, 4vw, 46px);
  border: 1px solid var(--fg-line-strong);
  background:
    linear-gradient(180deg, rgba(18, 16, 31, 0.94), rgba(5, 4, 10, 0.97)),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(156, 147, 184, 0.18) 39px 40px);
}
.page-contact .contact-panel__head {
  display: grid;
  gap: 12px;
  max-width: 62ch;
}
.page-contact .contact-panel__head h2 {
  margin: 0;
}
.page-contact .contact-panel__head .muted {
  margin: 0;
}
.page-contact .vm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--fg-line);
  border: 1px solid var(--fg-line);
}
.page-contact .vm-cell {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 16px 20px;
  background: var(--fg-void);
}
.page-contact .vm-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fg-cyan);
}
.page-contact .vm-value {
  margin: 0;
  font-size: clamp(16px, 2.4vw, 22px);
  line-height: 1.35;
  color: var(--fg-ice);
  word-break: break-word;
}
.page-contact .vm-value--sm {
  font-size: clamp(15px, 1.9vw, 18px);
}
.page-contact .vm-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}
.page-contact .contact-panel__foot {
  display: grid;
  gap: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--fg-line);
}
.page-contact .coord-map {
  margin: 0;
  display: grid;
  gap: 10px;
}
.page-contact .coord-map svg {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  border: 1px solid var(--fg-line);
  background: rgba(108, 43, 217, 0.1);
}
.page-contact .coord-map .m-line {
  stroke: var(--fg-line);
  stroke-width: 1;
}
.page-contact .coord-map .m-ring {
  fill: none;
  stroke: var(--fg-cyan);
  stroke-width: 1.5;
}
.page-contact .coord-map .m-dot {
  fill: var(--fg-pink);
}
.page-contact .coord-map .m-label {
  fill: var(--fg-cyan);
  font-family: var(--fg-font-index);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.page-contact .coord-map figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-mist);
}
.page-contact .coord-map figcaption .mono {
  display: block;
  color: var(--fg-ice);
}
.page-contact .contact-legal {
  display: grid;
  gap: 6px;
}
.page-contact .contact-legal p {
  margin: 0;
  font-size: 13px;
}
.page-contact .contact-legal .mono {
  color: var(--fg-mist);
  letter-spacing: 0.08em;
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep-section {
  padding-block: clamp(40px, 7vw, 90px);
}
.page-contact .prep-layout {
  display: grid;
  gap: 30px;
}
.page-contact .prep-intro {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .prep-intro h2 {
  margin: 0;
}
.page-contact .prep-intro .prose {
  margin: 0;
  max-width: 46ch;
}
.page-contact .prep-list {
  border-top: 1px solid var(--fg-line-strong);
}
.page-contact .prep-item {
  border-bottom: 1px solid var(--fg-line);
  background: rgba(18, 16, 31, 0.55);
}
.page-contact .prep-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 46px 18px 20px;
  font-family: var(--fg-font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--fg-ice);
}
.page-contact .prep-item summary::-webkit-details-marker {
  display: none;
}
.page-contact .prep-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--fg-font-index);
  font-size: 20px;
  color: var(--fg-cyan);
}
.page-contact .prep-item[open] summary::after {
  content: "−";
}
.page-contact .prep-item[open] {
  box-shadow: inset 5px 0 0 var(--fg-pink);
}
.page-contact .prep-item .accordion__body {
  padding: 0 20px 20px 20px;
}
.page-contact .prep-item .accordion__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
}
.page-contact .prep-item .accordion__body li {
  font-size: 15px;
  line-height: 1.72;
  color: var(--fg-mist);
}
.page-contact .prep-item .accordion__body strong {
  color: var(--fg-ice);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm-section {
  padding-block: clamp(40px, 7vw, 90px);
}
.page-contact .rhythm-grid {
  display: grid;
  gap: 30px;
}
.page-contact .rhythm-copy {
  display: grid;
  gap: 16px;
}
.page-contact .rhythm-copy h2 {
  margin: 0;
}
.page-contact .rhythm-steps {
  display: grid;
  gap: 14px;
  margin-top: 4px;
}
.page-contact .rhythm-step {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-left: 3px solid var(--fg-cyan);
  background: rgba(5, 4, 10, 0.68);
}
.page-contact .rhythm-step h3 {
  margin: 0;
  font-family: var(--fg-font-display);
  font-weight: 800;
  font-size: 18px;
}
.page-contact .rhythm-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fg-mist);
}
.page-contact .rhythm-step .rhythm-step__no {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fg-cyan);
}
.page-contact .rhythm-media {
  margin: 0;
}
.page-contact .rhythm-media .media__caption {
  font-size: 13px;
  color: var(--fg-mist);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .partner-section {
  position: relative;
  overflow: hidden;
  padding-block: clamp(44px, 8vw, 106px);
}
.page-contact .partner-section::before {
  content: "";
  position: absolute;
  z-index: 0;
  right: -150px;
  bottom: -170px;
  width: 520px;
  height: 520px;
  background: radial-gradient(closest-side, rgba(255, 106, 26, 0.3), rgba(255, 106, 26, 0) 72%);
  pointer-events: none;
}
.page-contact .partner-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
}
.page-contact .partner-title {
  margin: 0;
  max-width: 14ch;
}
.page-contact .partner-lead {
  margin: 0;
  max-width: 60ch;
}
.page-contact .partner-cols {
  margin-top: 18px;
}
.page-contact .partner-col {
  display: grid;
  gap: 8px;
  padding: 18px 0 0;
  border-top: 4px solid var(--fg-orange);
}
.page-contact .partner-col h3 {
  margin: 0;
  font-family: var(--fg-font-display);
  font-weight: 800;
  font-size: 19px;
}
.page-contact .partner-col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fg-mist);
}
.page-contact .partner-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  padding: 20px 22px;
  border: 1px solid var(--fg-line-strong);
  border-left: 5px solid var(--fg-orange);
  background: rgba(18, 16, 31, 0.75);
}
.page-contact .partner-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.72;
}
.page-contact .partner-cta .mono {
  color: var(--fg-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .vm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-panel__foot {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 880px) {
  .page-contact .lane-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 46px;
  }
  .page-contact .lane-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
  .page-contact .lane--partner {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 14px 42px;
    align-items: start;
  }
  .page-contact .lane--partner .lane__list--inline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .lane--partner .btn {
    justify-self: start;
  }
}

@media (min-width: 920px) {
  .page-contact .prep-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .rhythm-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 52px;
    align-items: center;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-panel {
    padding: 20px 15px 24px;
  }
  .page-contact .vm-cell {
    padding: 16px 14px 18px;
  }
  .page-contact .lane {
    padding: 20px 15px 22px;
  }
  .page-contact .prep-item summary {
    font-size: 16px;
    padding: 16px 42px 16px 16px;
  }
  .page-contact .prep-item .accordion__body {
    padding: 0 16px 18px 16px;
  }
  .page-contact .partner-cta {
    padding: 18px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .lane {
    transition: none;
  }
  .page-contact .lane:hover {
    transform: none;
    box-shadow: none;
  }
}