.page-contact {
  --pc-cut: 14px;
  --pc-dash: rgba(42, 51, 64, 0.9);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-contact .bc-nav {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 22px var(--gutter) 0;
}

.page-contact .bc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .bc-list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .bc-list a:hover,
.page-contact .bc-list a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-contact .bc-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .bc-list li[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏框景 ---------- */
.page-contact .hero-panel {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .hero-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 460px;
  background: var(--panel);
}

.page-contact .hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 15, 23, 0.42) 0%, rgba(11, 15, 23, 0.72) 52%, rgba(11, 15, 23, 0.96) 100%),
    linear-gradient(90deg, rgba(11, 15, 23, 0.78) 0%, rgba(11, 15, 23, 0.14) 62%, transparent 100%);
}

.page-contact .hero-copy {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 760px;
  padding: clamp(28px, 5vw, 56px);
}

.page-contact .hero-copy h1 {
  margin: 14px 0 20px;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .hero-lead {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
  color: rgba(242, 239, 231, 0.86);
}

.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-corner {
  position: absolute;
  z-index: 2;
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.page-contact .hero-corner--tl { top: 14px; left: 14px; border-top: 1px solid var(--neon); border-left: 1px solid var(--neon); }
.page-contact .hero-corner--tr { top: 14px; right: 14px; border-top: 1px solid var(--neon); border-right: 1px solid var(--neon); }
.page-contact .hero-corner--bl { bottom: 14px; left: 14px; border-bottom: 1px solid var(--neon); border-left: 1px solid var(--neon); }
.page-contact .hero-corner--br { bottom: 14px; right: 14px; border-bottom: 1px solid var(--neon); border-right: 1px solid var(--neon); }

/* ---------- 双栏布局 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: clamp(34px, 5vw, 62px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .contact-main {
  min-width: 0;
}

/* ---------- 目录 ---------- */
.page-contact .anchor-index {
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: var(--cut-path-sm);
  padding: 16px 18px 18px;
}

.page-contact .anchor-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .anchor-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .anchor-link {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-contact .anchor-link:hover,
.page-contact .anchor-link:focus-visible {
  color: var(--paper);
  background: rgba(42, 51, 64, 0.45);
}

.page-contact .anchor-link[aria-current="true"] {
  color: var(--neon);
  border-left-color: var(--neon);
  background: rgba(0, 229, 160, 0.06);
}

/* ---------- 章节通用 ---------- */
.page-contact .c-section {
  margin-bottom: clamp(48px, 7vw, 84px);
  scroll-margin-top: 88px;
}

.page-contact .c-section:last-of-type {
  margin-bottom: 0;
}

.page-contact .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-contact .section-title {
  margin: 10px 0 10px;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .section-note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
  text-transform: uppercase;
}

/* ---------- 合作方向卡片 ---------- */
.page-contact .direction-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .direction-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: var(--cut-path-sm);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .direction-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--line);
  transition: background-color 180ms var(--ease);
}

.page-contact .direction-card--blue::before { background: var(--blue); }
.page-contact .direction-card--neon::before { background: var(--neon); }
.page-contact .direction-card--amber::before { background: var(--amber); }
.page-contact .direction-card--clay::before { background: var(--clay); }

.page-contact .direction-card[open] {
  border-color: rgba(242, 239, 231, 0.24);
  transform: translateY(-2px);
}

.page-contact .direction-card summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px 20px 26px;
  cursor: pointer;
  list-style: none;
}

.page-contact .direction-card summary::-webkit-details-marker { display: none; }

.page-contact .direction-card summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-contact .card-idx {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .card-name {
  flex: 1 1 auto;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .card-cue {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--muted);
  border: 1px solid var(--line);
  transition: transform 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .direction-card[open] .card-cue {
  transform: rotate(45deg);
  color: var(--neon);
  border-color: rgba(0, 229, 160, 0.5);
}

.page-contact .card-body {
  margin: 0;
  padding: 0 22px 22px 26px;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(242, 239, 231, 0.78);
}

/* ---------- 图片 ---------- */
.page-contact .c-figure {
  margin: 0 0 clamp(48px, 7vw, 84px);
}

.page-contact .c-figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 流程时间轴 ---------- */
.page-contact .process-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-contact .process-list::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 9px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon) 0%, rgba(0, 229, 160, 0.25) 42%, var(--line) 100%);
}

.page-contact .process-step {
  position: relative;
  padding: 0 0 26px;
}

.page-contact .process-step:last-child {
  padding-bottom: 0;
}

.page-contact .process-step::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -25px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--neon);
}

.page-contact .process-step:nth-child(4)::before,
.page-contact .process-step:nth-child(5)::before {
  border-color: var(--amber);
}

.page-contact .step-num {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .step-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .step-time {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-contact .step-desc {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(242, 239, 231, 0.76);
}

/* ---------- 准备清单 ---------- */
.page-contact .brief-list {
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: var(--cut-path);
}

.page-contact .brief-row {
  display: flex;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px dashed var(--pc-dash);
}

.page-contact .brief-row:last-child {
  border-bottom: 0;
}

.page-contact .brief-idx {
  flex: 0 0 auto;
  width: 26px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--neon);
  padding-top: 2px;
}

.page-contact .brief-content {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .brief-label {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .brief-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 联系方式 ---------- */
.page-contact .reach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .reach-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 24px 24px 22px;
  transition: border-color 180ms var(--ease);
}

.page-contact .reach-card:hover {
  border-color: rgba(0, 229, 160, 0.36);
}

.page-contact .reach-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .reach-value {
  margin: 0 0 12px;
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  color: var(--neon);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .reach-value--text {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
  word-break: normal;
}

.page-contact .reach-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 239, 231, 0.72);
}

/* ---------- FAQ ---------- */
.page-contact .faq-list {
  display: grid;
  gap: 10px;
}

.page-contact .faq-item {
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: var(--cut-path-sm);
  transition: border-color 180ms var(--ease);
}

.page-contact .faq-item[open] {
  border-color: rgba(0, 229, 160, 0.34);
}

.page-contact .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-contact .faq-item summary::-webkit-details-marker { display: none; }

.page-contact .faq-item summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-contact .faq-q {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .faq-cue {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted);
  transition: transform 200ms var(--ease), color 200ms var(--ease);
}

.page-contact .faq-item[open] .faq-cue {
  transform: rotate(45deg);
  color: var(--neon);
}

.page-contact .faq-a {
  margin: 0;
  padding: 0 20px 20px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 239, 231, 0.76);
}

/* ---------- 收束条 ---------- */
.page-contact .closing-strip {
  margin-top: clamp(44px, 6vw, 72px);
  border: 1px solid var(--line);
  background:
    linear-gradient(118deg, rgba(0, 229, 160, 0.09) 0%, rgba(255, 107, 53, 0.05) 46%, rgba(58, 134, 255, 0.1) 100%),
    var(--panel);
  clip-path: var(--cut-path);
  padding: clamp(26px, 4vw, 42px);
}

.page-contact .closing-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-contact .closing-title {
  margin: 10px 0 8px;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .closing-note {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .closing-channels {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.page-contact .closing-channel {
  margin: 0;
  padding: 8px 14px;
  width: 100%;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: rgba(11, 15, 23, 0.6);
  border: 1px solid var(--line);
  border-left: 2px solid var(--neon);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .closing-channel--addr,
.page-contact .closing-channel--note {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  border-left-color: var(--line);
  word-break: normal;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .direction-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .reach-card--wide {
    grid-column: 1 / -1;
  }

  .page-contact .process-list {
    padding-left: 38px;
  }

  .page-contact .process-step::before {
    left: -33px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: 46px;
    align-items: start;
  }

  .page-contact .contact-aside {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 28px;
  }

  .page-contact .contact-main {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .hero-frame {
    min-height: 560px;
  }

  .page-contact .closing-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr);
    align-items: center;
    gap: 34px;
  }

  .page-contact .brief-row {
    padding: 20px 28px;
  }

  .page-contact .reach-card {
    padding: 26px 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}