.page-contact {
  background: var(--abyss);
  color: var(--glacier);
  overflow-x: hidden;
}

/* ---------- 开篇 ---------- */
.page-contact .contact-open {
  position: relative;
  padding-block: 22px 56px;
  background:
    radial-gradient(120% 78% at 86% 4%, rgba(30, 92, 150, 0.55) 0%, rgba(11, 31, 58, 0) 62%),
    linear-gradient(180deg, var(--abyss) 0%, #0d2745 100%);
}

.page-contact .contact-open::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -22%;
  width: min(680px, 82vw);
  aspect-ratio: 1 / 1;
  background: repeating-radial-gradient(circle at 50% 50%, rgba(56, 242, 122, 0.10) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.page-contact .contact-open__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-contact .contact-open__title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-contact .contact-open__lede {
  max-width: 34em;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(220, 231, 241, 0.86);
}

.page-contact .contact-open__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-open__figure {
  margin: 0;
}

/* ---------- 章节通用 ---------- */
.page-contact .section-head {
  position: relative;
  max-width: 46em;
  margin-bottom: 26px;
}

.page-contact .section__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-contact .section__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: #fff;
}

.page-contact .contact-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(220, 231, 241, 0.8);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-routes {
  position: relative;
  padding-block: 56px;
  background: linear-gradient(180deg, #0d2745 0%, var(--abyss) 62%);
}

.page-contact .routes-note {
  display: none;
}

.page-contact .route-grid {
  display: grid;
  gap: 16px;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 30px;
  border: 1px solid rgba(56, 242, 122, 0.28);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--deep) 0%, #0e2f52 100%);
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.page-contact .route-card--ask {
  border-color: rgba(56, 242, 122, 0.5);
}

.page-contact .route-card--fix {
  border-color: rgba(255, 122, 47, 0.5);
}

.page-contact .route-card--coop {
  border-color: rgba(220, 231, 241, 0.42);
}

.page-contact .route-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-contact .route-card--fix .route-card__no {
  color: var(--sunset);
}

.page-contact .route-card--coop .route-card__no {
  color: var(--glacier);
}

.page-contact .route-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
}

.page-contact .route-card__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(220, 231, 241, 0.82);
}

.page-contact .route-card__list {
  display: grid;
  gap: 6px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .route-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(220, 231, 241, 0.72);
}

.page-contact .route-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--signal);
}

.page-contact .route-card--fix .route-card__list li::before {
  background: var(--sunset);
}

.page-contact .route-card--coop .route-card__list li::before {
  background: var(--mist);
}

.page-contact .route-card__foot {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 14.5px;
  color: rgba(220, 231, 241, 0.7);
}

.page-contact .route-card__foot a {
  color: var(--signal);
  text-decoration-color: rgba(56, 242, 122, 0.5);
  text-underline-offset: 3px;
}

/* ---------- 直接联系 ---------- */
.page-contact .contact-channels {
  padding-block: 54px;
  background: var(--deep);
  border-top: 1px solid rgba(30, 92, 150, 0.6);
}

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  padding: 24px 22px;
  border: 1px solid rgba(120, 160, 200, 0.3);
  border-radius: var(--r-lg) var(--r-lg) var(--r-sm) var(--r-sm);
  background: rgba(5, 16, 31, 0.5);
}

.page-contact .channel-card--sunset {
  border-color: rgba(255, 122, 47, 0.5);
}

.page-contact .channel-card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.page-contact .channel-card__value {
  margin: 8px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.4vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--signal);
  word-break: break-all;
}

.page-contact .channel-card--sunset .channel-card__value {
  color: var(--sunset);
}

.page-contact .channel-card__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(220, 231, 241, 0.82);
}

.page-contact .channel-card__list {
  display: grid;
  gap: 6px;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(120, 160, 200, 0.22);
  list-style: none;
}

.page-contact .channel-card__list li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(220, 231, 241, 0.72);
}

/* ---------- 四类意图 ---------- */
.page-contact .contact-types {
  padding-block: 54px;
  background: var(--abyss);
}

.page-contact .type-grid {
  display: grid;
  gap: 14px;
}

.page-contact .type-card {
  padding: 22px 20px;
  border: 1px solid rgba(30, 92, 150, 0.55);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(30, 92, 150, 0.32) 0%, rgba(11, 31, 58, 0.65) 100%);
}

.page-contact .type-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-contact .type-card__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}

.page-contact .type-card__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.66;
  color: rgba(220, 231, 241, 0.74);
}

.page-contact .type-card__label {
  margin: 0 0 8px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-contact .type-card__list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .type-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(220, 231, 241, 0.88);
}

.page-contact .type-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 1px;
  background: var(--signal);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  padding-block: 54px;
  background: linear-gradient(180deg, var(--abyss) 0%, #0a1c34 100%);
}

.page-contact .flow-list {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 56px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: -28px;
  width: 2px;
  background: linear-gradient(180deg, var(--signal) 0%, rgba(56, 242, 122, 0.12) 100%);
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-step__no {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--signal);
  color: #04150c;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-contact .flow-step__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: #fff;
}

.page-contact .flow-step__text {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(220, 231, 241, 0.78);
}

/* ---------- 数据纠错 ---------- */
.page-contact .contact-fix {
  padding-block: 54px;
  background: var(--glacier);
  color: var(--ink);
}

.page-contact .contact-fix .section__num {
  color: var(--lime);
}

.page-contact .contact-fix .section__title {
  color: var(--ink);
}

.page-contact .fix-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: #3b4a5c;
}

.page-contact .fix-grid {
  display: grid;
  gap: 22px;
}

.page-contact .checklist {
  padding: 20px 18px;
  border: 1px solid var(--mist);
  border-radius: var(--r-md);
  background: #fff;
}

.page-contact .checklist__hint {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--mist);
  font-size: 15px;
  line-height: 1.62;
  color: #2b3a4b;
  cursor: pointer;
}

.page-contact .check-item:last-of-type {
  border-bottom: 0;
}

.page-contact .check-item input {
  flex: none;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  border: 1px solid var(--race);
  border-radius: 7px;
  background: #fff;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-contact .check-item input:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .check-item input:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(42deg);
}

.page-contact .check-item input:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .check-item__text strong {
  display: block;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .checklist__done {
  display: none;
  margin: 14px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(15, 168, 78, 0.35);
  border-radius: var(--r-sm);
  background: rgba(15, 168, 78, 0.1);
  font-size: 14.5px;
  line-height: 1.6;
  color: #0b6b34;
}

.page-contact .checklist:has(input:checked):not(:has(input:not(:checked))) .checklist__done {
  display: block;
}

.page-contact .fix-side {
  padding: 22px 20px;
  border: 1px solid var(--mist);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, #ffffff 0%, #eaf1f8 100%);
}

.page-contact .fix-side__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .fix-side__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: #3b4a5c;
}

.page-contact .fix-side__text a {
  color: var(--lime);
  text-decoration-color: rgba(15, 168, 78, 0.45);
  text-underline-offset: 3px;
}

.page-contact .fix-side__meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 合作与授权 ---------- */
.page-contact .contact-partner {
  padding-block: 54px;
  background: linear-gradient(180deg, #0a1c34 0%, var(--abyss) 100%);
}

.page-contact .contact-partner__figure {
  margin: 26px 0 30px;
}

.page-contact .partner-grid {
  display: grid;
  gap: 14px;
}

.page-contact .partner-card {
  padding: 20px 18px;
  border: 1px solid rgba(120, 160, 200, 0.3);
  border-radius: var(--r-md);
  background: rgba(18, 58, 99, 0.5);
}

.page-contact .partner-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-contact .partner-card__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(220, 231, 241, 0.8);
}

.page-contact .partner-prep {
  margin-top: 22px;
  padding: 22px 20px;
  border: 1px dashed rgba(56, 242, 122, 0.35);
  border-radius: var(--r-md);
  background: rgba(5, 16, 31, 0.55);
}

.page-contact .partner-prep__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: #fff;
}

.page-contact .partner-prep__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner-prep__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(220, 231, 241, 0.86);
}

.page-contact .partner-prep__list li::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-top: 0.55em;
  border-radius: 2px;
  background: var(--signal);
}

.page-contact .partner-prep__note {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-service {
  padding-block: 52px;
  background: var(--deep);
  border-top: 1px solid rgba(56, 242, 122, 0.25);
}

.page-contact .service-grid {
  display: grid;
  gap: 24px;
}

.page-contact .service-text {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.76;
  color: rgba(220, 231, 241, 0.86);
}

.page-contact .service-text:last-child {
  margin-bottom: 0;
}

.page-contact .linkline a {
  color: var(--signal);
  text-decoration-color: rgba(56, 242, 122, 0.5);
  text-underline-offset: 3px;
}

.page-contact .service-card {
  display: grid;
  gap: 6px;
  padding: 24px 20px;
  border: 1px solid rgba(56, 242, 122, 0.3);
  border-radius: var(--r-lg);
  background: rgba(5, 16, 31, 0.55);
}

.page-contact .service-card__label {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-contact .service-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--signal);
  word-break: break-all;
}

.page-contact .service-card__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(120, 160, 200, 0.22);
  font-size: 14px;
  line-height: 1.66;
  color: rgba(220, 231, 241, 0.76);
}

.page-contact .service-card__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .route-card {
    padding: 28px 26px 36px;
    clip-path: polygon(0 0, 100% 0, calc(100% - 18px) 100%, 18px 100%);
    border-radius: 30px 30px 6px 6px;
  }

  .page-contact .route-card:hover {
    transform: translateY(-6px);
  }

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

  .page-contact .contact-open {
    padding-block: 30px 66px;
  }
}

@media (min-width: 860px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .flow-step {
    padding: 68px 20px 0 0;
  }

  .page-contact .flow-step::before {
    left: 44px;
    right: -26px;
    top: 20px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--signal) 0%, rgba(56, 242, 122, 0.15) 100%);
  }

  .page-contact .flow-step:last-child::before {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-open__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: end;
  }

  .page-contact .fix-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .service-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-routes {
    padding-block: 72px;
  }

  .page-contact .contact-channels,
  .page-contact .contact-types,
  .page-contact .contact-flow,
  .page-contact .contact-fix,
  .page-contact .contact-partner {
    padding-block: 68px;
  }

  .page-contact .routes-note {
    display: block;
    position: absolute;
    right: -6px;
    top: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.22em;
    color: var(--signal);
  }

  .page-contact .type-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card {
    transition: none;
  }

  .page-contact .route-card:hover {
    transform: none;
  }
}