.page-contact {
  --contact-cut: 14px;
  --contact-gap: clamp(18px, 2.6vw, 32px);
  --contact-rhythm: clamp(48px, 7vw, 96px);
  color: var(--silver);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(20px, 3.4vw, 36px) clamp(44px, 6.4vw, 84px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -14% -8% auto -8%;
  height: 130%;
  z-index: -1;
  background:
    radial-gradient(56% 60% at 20% 10%, rgba(108, 75, 214, 0.36), transparent 66%),
    radial-gradient(44% 52% at 86% 0%, rgba(53, 230, 208, 0.12), transparent 64%);
  pointer-events: none;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.8vw, 28px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--dust);
}

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

.page-contact .breadcrumb a {
  color: var(--dust);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-contact .hero-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-contact .hero-copy h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.6vw, 58px);
  line-height: 1.1;
  letter-spacing: 0.08em;
  text-wrap: balance;
}

.page-contact .hero-lead {
  max-width: 32em;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: 16px;
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .hero-readout {
  padding: clamp(20px, 2.8vw, 28px);
  background: linear-gradient(158deg, rgba(27, 31, 75, 0.94), rgba(16, 22, 54, 0.96));
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--rail);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

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

.page-contact .readout-item {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  align-items: baseline;
  column-gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line-cool);
}

.page-contact .readout-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .readout-num {
  font-size: clamp(28px, 4.2vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--pulse);
}

.page-contact .readout-unit {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-contact .readout-text {
  grid-column: 1 / -1;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--dust);
}

/* ---------- 通用章节头 ---------- */
.page-contact .section-head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3.2vw, 38px);
}

.page-contact .section-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.22;
  letter-spacing: 0.07em;
}

.page-contact .section-head p {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 渠道 ---------- */
.page-contact .channel-figure {
  position: relative;
  max-width: 660px;
  margin: 0 auto clamp(24px, 3.2vw, 38px);
}

.page-contact .channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-cool);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, var(--contact-cut) 100%, 0 calc(100% - var(--contact-cut)));
  background: var(--stratum);
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  background: linear-gradient(172deg, rgba(27, 31, 75, 0.94), rgba(16, 22, 54, 0.9));
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--pulse), rgba(108, 75, 214, 0.5) 55%, transparent 88%);
}

.page-contact .channel-card:nth-child(1) {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .channel-card:nth-child(2) {
  clip-path: polygon(24px 0, 100% 0, 100% 100%, 0 100%, 0 24px);
}

.page-contact .channel-card:nth-child(3) {
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-contact .channel-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pulse);
}

.page-contact .channel-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: 0.06em;
}

.page-contact .channel-value {
  margin: 2px 0 4px;
  padding: 9px 12px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--silver);
  word-break: break-word;
  background: rgba(7, 10, 31, 0.6);
  border-left: 2px solid var(--rail);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--dust);
}

.page-contact .channel-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 208, 0.5);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .channel-link:hover {
  color: var(--silver);
  border-bottom-color: var(--silver);
}

.page-contact .channel-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 0;
  padding-top: 4px;
}

/* ---------- 准备清单 ---------- */
.page-contact .checklist {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: rgba(27, 31, 75, 0.58);
  border: 1px solid var(--line-cool);
  border-left: 2px solid var(--rail);
  transition: background 0.22s var(--ease), border-left-color 0.22s var(--ease);
}

.page-contact .check-item:has(.check-box:checked) {
  background: rgba(53, 230, 208, 0.07);
  border-left-color: var(--pulse);
}

.page-contact .check-box {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--pulse);
  cursor: pointer;
}

.page-contact .check-body {
  display: block;
  cursor: pointer;
}

.page-contact .check-title {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-contact .check-text {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dust);
}

.page-contact .check-item:has(.check-box:checked) .check-title {
  color: var(--pulse);
}

.page-contact .notice-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
  background: rgba(255, 180, 84, 0.07);
  border: 1px dashed rgba(255, 180, 84, 0.45);
}

.page-contact .notice-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 180, 84, 0.16);
}

.page-contact .notice-strip a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 180, 84, 0.55);
}

.page-contact .notice-strip a:hover {
  color: var(--silver);
  border-bottom-color: var(--silver);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow-figure {
  max-width: 900px;
  margin: 0 auto;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-cool);
  background: var(--stratum);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .flow-steps {
  position: relative;
  max-width: 820px;
  margin: clamp(26px, 3.6vw, 44px) auto 0;
  padding-left: 28px;
}

.page-contact .flow-steps::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(180deg, var(--pulse), rgba(108, 75, 214, 0.55) 62%, transparent 100%);
}

.page-contact .flow-step {
  position: relative;
}

.page-contact .flow-step + .flow-step {
  margin-top: 12px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 18px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--pulse);
  box-shadow: 0 0 0 4px rgba(53, 230, 208, 0.1);
  transition: transform 0.2s var(--ease);
}

.page-contact .flow-step:hover::before {
  transform: scale(1.15);
}

.page-contact .flow-step .disclosure-trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 16px;
  text-align: left;
  color: var(--silver);
  cursor: pointer;
  background: rgba(27, 31, 75, 0.62);
  border: 1px solid var(--line-cool);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .flow-step .disclosure-trigger:hover {
  border-color: var(--line-firm);
}

.page-contact .flow-step .disclosure-trigger[aria-expanded="true"] {
  border-color: var(--pulse);
  background: rgba(53, 230, 208, 0.08);
}

.page-contact .flow-index {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-contact .flow-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-contact .flow-time {
  margin-left: auto;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-contact .flow-step .disclosure-panel {
  padding: 14px 16px 4px;
}

.page-contact .flow-step .disclosure-panel p {
  margin: 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 收录合作 ---------- */
.page-contact .partner-layout {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .partner-copy h2 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.22;
  letter-spacing: 0.07em;
}

.page-contact .partner-copy .prose {
  max-width: 36em;
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--dust);
}

.page-contact .criteria-list {
  display: grid;
  gap: 12px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .criteria-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: rgba(46, 30, 92, 0.32);
  border-left: 2px solid var(--rail);
}

.page-contact .criteria-key {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pulse);
  padding-top: 2px;
}

.page-contact .criteria-text {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .criteria-text strong {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--pulse);
}

.page-contact .partner-more {
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .partner-more a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 208, 0.45);
}

.page-contact .partner-more a:hover {
  color: var(--silver);
  border-bottom-color: var(--silver);
}

.page-contact .partner-spec {
  padding: clamp(20px, 2.8vw, 28px);
  background: linear-gradient(196deg, rgba(46, 30, 92, 0.6), rgba(16, 22, 54, 0.92));
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--rail);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .spec-list {
  display: grid;
  gap: 0;
  margin: 16px 0 0;
}

.page-contact .spec-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line-cool);
}

.page-contact .spec-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .spec-row dt {
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--dust);
}

.page-contact .spec-row dd {
  margin: 0;
  font-size: 14px;
  color: var(--silver);
}

/* ---------- 运营地信息带 ---------- */
.page-contact .landmark-band {
  margin-top: var(--contact-rhythm);
  padding-block: clamp(32px, 4.6vw, 56px);
  background:
    radial-gradient(72% 130% at 10% 0%, rgba(53, 230, 208, 0.1), transparent 66%),
    linear-gradient(140deg, var(--teal), #0a1130 78%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-cool);
}

.page-contact .landmark-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .landmark-item {
  padding-left: 14px;
  border-left: 1px solid rgba(53, 230, 208, 0.35);
}

.page-contact .landmark-key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pulse);
}

.page-contact .landmark-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .landmark-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel-figure {
    max-width: 720px;
  }
}

@media (min-width: 1000px) {
  .page-contact .partner-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-link,
  .page-contact .check-item,
  .page-contact .flow-step::before,
  .page-contact .flow-step .disclosure-trigger,
  .page-contact .breadcrumb a {
    transition: opacity 0.2s linear;
  }

  .page-contact .flow-step:hover::before {
    transform: none;
  }
}