.page-contact {
  --c-gap: clamp(18px, 3vw, 36px);
  --c-shadow: 6px 6px 0 rgba(6, 18, 31, .85);
}

.page-contact h1 {
  margin: 14px 0 18px;
  font-size: clamp(30px, 5.4vw, var(--fs-page));
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .inline-link {
  color: var(--gold-lit);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s var(--ease);
}

.page-contact .inline-link:hover {
  color: var(--lime);
}

/* ---------- 首屏：对角构图 ---------- */
.page-contact .hero-sec {
  position: relative;
  overflow: hidden;
}

.page-contact .hero-sec::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 62%;
  height: 150%;
  background: linear-gradient(120deg,
      transparent 0 45.6%,
      rgba(212, 175, 55, .22) 45.6% 46.2%,
      transparent 46.2% 100%);
  pointer-events: none;
}

.page-contact .hero-grid {
  position: relative;
  display: grid;
  gap: var(--c-gap);
}

.page-contact .hero-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .hero-points li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .mono-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  min-width: 46px;
  letter-spacing: .02em;
}

.page-contact .mono-num--gold {
  color: var(--gold);
}

.page-contact .mono-num--lime {
  color: var(--lime);
}

.page-contact .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .hero-aside {
  padding: clamp(18px, 3vw, 28px);
  border: 2px solid var(--line);
  border-left: 4px solid var(--gold);
  background: var(--panel);
  box-shadow: var(--c-shadow);
}

.page-contact .hero-aside .card-title {
  margin: 8px 0 0;
  font-size: var(--fs-card);
}

.page-contact .hero-aside .card-meta {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.page-contact .step-mini {
  list-style: none;
  margin: 18px 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .step-mini li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: rgba(11, 30, 51, .6);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .step-mini li.is-accent {
  border-left-color: var(--lime);
}

.page-contact .step-dot {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
}

.page-contact .step-mini li.is-accent .step-dot {
  color: var(--lime);
}

/* ---------- 合作方向 ---------- */
.page-contact .dir-grid {
  display: grid;
  gap: var(--c-gap);
  margin-top: 36px;
}

.page-contact .dir-card {
  padding: clamp(18px, 3vw, 26px);
  border: 2px solid var(--line);
  border-left: 4px solid var(--gold);
  background: var(--panel);
  box-shadow: var(--c-shadow);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .dir-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-contact .dir-card .card-title {
  margin: 12px 0 6px;
  font-size: var(--fs-card);
  color: var(--paper);
}

.page-contact .dir-card .card-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .dir-card .card-body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .dir-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  border: 2px solid var(--line);
  border-top: 4px solid var(--lime);
  background: var(--ink-deep);
  box-shadow: var(--c-shadow);
}

.page-contact .dir-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.page-contact .dir-figure .media-caption {
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-contact .tick-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .tick-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: var(--gold);
}

/* ---------- 支持能力 ---------- */
.page-contact .support-grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .support-intro .prose {
  margin-top: 16px;
}

.page-contact .cap-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .cap-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .cap-item dt {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 7px;
  font-size: var(--fs-card);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .cap-item dt::before {
  content: "/";
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-contact .cap-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 流程 ---------- */
.page-contact .flow-media {
  margin: 32px 0 44px;
  border: 2px solid var(--line);
  background: var(--ink-deep);
  box-shadow: var(--c-shadow);
}

.page-contact .flow-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-contact .flow-media .media-caption {
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

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

.page-contact .timeline-step {
  position: relative;
  padding: 0 0 30px 32px;
  border-left: 2px solid var(--line);
}

.page-contact .timeline-step:last-child {
  padding-bottom: 0;
  border-left-color: var(--gold);
}

.page-contact .timeline-node {
  position: absolute;
  left: -13px;
  top: 0;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: var(--ink);
  border: 2px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.page-contact .timeline-step:last-child .timeline-node {
  border-color: var(--lime);
  color: var(--lime);
}

.page-contact .timeline-title {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .timeline-period {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .timeline-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 两步提交 ---------- */
.page-contact .apply-sec {
  background: linear-gradient(180deg, rgba(212, 175, 55, .06), transparent 60%);
}

.page-contact .apply-grid {
  display: grid;
  gap: var(--c-gap);
  margin-top: 32px;
}

.page-contact .apply-step {
  padding: clamp(20px, 3vw, 30px);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--c-shadow);
}

.page-contact .apply-step--accent {
  border-color: var(--lime);
}

.page-contact .apply-step-no {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  border: 1px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .apply-step--accent .apply-step-no {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-deep);
}

.page-contact .apply-step h3 {
  margin: 0 0 10px;
  font-size: var(--fs-card);
  color: var(--paper);
}

.page-contact .apply-step > p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .choice-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .choice-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(11, 30, 51, .6);
  font-size: 15px;
  color: var(--paper);
  transition: border-color .2s var(--ease);
}

.page-contact .choice-list li:hover {
  border-color: var(--gold);
}

.page-contact .choice-tag {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}

/* ---------- 联系方式 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-line {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .contact-val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 18px);
  font-weight: 700;
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 常见提问 ---------- */
.page-contact .faq-list {
  margin-top: 32px;
  border-top: 1px solid var(--line);
}

.page-contact .faq-list .accordion-item {
  border-bottom: 1px solid var(--line);
}

.page-contact .faq-list .accordion-trigger {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 20px 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--fs-card);
  font-weight: 700;
  color: var(--paper);
  cursor: pointer;
  transition: color .2s var(--ease);
}

.page-contact .faq-list .accordion-trigger::before {
  content: "Q";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
}

.page-contact .faq-list .accordion-trigger:hover {
  color: var(--gold-lit);
}

.page-contact .faq-list .accordion-panel {
  padding: 0 0 20px 30px;
}

.page-contact .faq-list .accordion-panel p {
  margin: 0;
  max-width: 76ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 服务范围 ---------- */
.page-contact .scope-grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .scope-items {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .scope-item {
  padding-top: 16px;
  border-top: 2px solid var(--gold);
}

.page-contact .scope-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--paper);
}

.page-contact .scope-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .cap-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }

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

@media (min-width: 860px) {
  .page-contact .dir-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .hero-aside {
    margin-top: 64px;
  }

  .page-contact .support-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .scope-grid {
    grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
    gap: clamp(28px, 5vw, 64px);
  }

  .page-contact .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(18px, 2.4vw, 32px);
  }

  .page-contact .timeline-step {
    padding: 36px 0 0;
    border-left: 0;
    border-top: 2px solid var(--line);
  }

  .page-contact .timeline-step:last-child {
    border-left: 0;
    border-top-color: var(--gold);
  }

  .page-contact .timeline-node {
    left: -1px;
    top: -13px;
  }

  .page-contact .timeline-step:hover {
    border-top-color: var(--lime);
  }

  .page-contact .timeline-step:hover .timeline-period {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--ink-deep);
  }

  .page-contact .timeline-step:last-child:hover .timeline-period {
    background: var(--lime);
    border-color: var(--lime);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dir-card,
  .page-contact .timeline-period,
  .page-contact .choice-list li,
  .page-contact .faq-list .accordion-trigger,
  .page-contact .inline-link {
    transition: none;
  }

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