.page-contact {
  --pc-gap: clamp(18px, 3vw, 34px);
  --pc-step-top: 12px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 46px) 0 clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(43, 232, 176, .07) 0 1px, transparent 1px 104px),
    linear-gradient(122deg, rgba(110, 91, 255, .16) 0%, rgba(43, 232, 176, .05) 42%, transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -40px;
  width: 420px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--signal-400) 45%, var(--score-400));
  transform: rotate(-24deg);
  opacity: .6;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero h1 {
  max-width: 22ch;
  margin: 12px 0 0;
}

.page-contact .contact-hero__lede {
  max-width: 62ch;
  margin-top: 18px;
  color: var(--text-400);
}

.page-contact .contact-hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  font-size: 14px;
  color: var(--text-400);
}

.page-contact .contact-hero__dot {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--signal-400);
  box-shadow: 0 0 0 4px rgba(43, 232, 176, .16);
}

/* ---------- 工单式分栏 ---------- */
.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-contact .contact-rail__card {
  position: relative;
  overflow: hidden;
  padding: 26px 22px 26px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%, 0 100%);
}

.page-contact .contact-rail__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  pointer-events: none;
}

.page-contact .contact-rail__card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 11, 24, .35) 0%, rgba(12, 23, 48, .9) 62%, var(--ink-850) 100%);
  pointer-events: none;
}

.page-contact .contact-rail__body {
  position: relative;
  z-index: 1;
}

.page-contact .contact-rail__title {
  margin: 0 0 6px;
  font-family: var(--font-cond);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-100);
}

.page-contact .rail-item {
  display: grid;
  gap: 7px;
  padding: 16px 0;
  border-top: 1px solid var(--ink-700);
}

.page-contact .contact-rail__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .rail-item__k {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-400);
}

.page-contact .rail-item__v {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-100);
  overflow-wrap: anywhere;
}

.page-contact .rail-item__v--mono {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--signal-200);
}

.page-contact .rail-item__n {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-400);
}

.page-contact .contact-rail__foot {
  margin-top: 18px;
  padding-left: 12px;
  border-left: 2px solid var(--score-400);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-400);
}

/* ---------- 来意路径 ---------- */
.page-contact .contact-main__lede {
  margin-top: 10px;
  max-width: 60ch;
}

.page-contact .path-card {
  position: relative;
  margin-top: 16px;
  padding: 22px 22px 22px 28px;
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-800) 100%);
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%, 0 100%);
  transition: transform .2s ease, border-color .2s ease;
}

.page-contact .path-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--pc-bar, var(--signal-400));
  transition: width .2s ease;
}

.page-contact .path-card:hover,
.page-contact .path-card:focus-within {
  transform: translateX(3px);
  border-color: var(--pc-bar, var(--signal-400));
}

.page-contact .path-card:hover::before,
.page-contact .path-card:focus-within::before {
  width: 9px;
}

.page-contact .path-card--signal { --pc-bar: var(--signal-400); }
.page-contact .path-card--mint { --pc-bar: var(--signal-200); }
.page-contact .path-card--score { --pc-bar: var(--score-400); }
.page-contact .path-card--index { --pc-bar: var(--index-500); }

.page-contact .path-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--pc-bar, var(--signal-400));
}

.page-contact .path-card h3 {
  margin: 8px 0 0;
}

.page-contact .path-card__desc {
  margin: 10px 0 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-contact .path-card__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .path-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-100);
}

.page-contact .path-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 9px;
  height: 2px;
  background: var(--pc-bar, var(--signal-400));
}

.page-contact .path-card__to {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--text-400);
}

.page-contact .path-card__to b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--pc-bar, var(--signal-400));
  overflow-wrap: anywhere;
}

/* ---------- 材料字段 ---------- */
.page-contact .contact-split__lede {
  margin-top: 10px;
  max-width: 64ch;
}

.page-contact .req-scroll {
  margin-top: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--ink-700);
  background: var(--ink-850);
}

.page-contact .req-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-contact .req-table th,
.page-contact .req-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.7;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .req-table thead th {
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--text-400);
  background: var(--ink-800);
}

.page-contact .req-table tbody th {
  color: var(--signal-200);
  font-weight: 600;
  white-space: nowrap;
}

.page-contact .req-table tbody td {
  color: var(--text-400);
}

.page-contact .req-table tbody tr:last-child th,
.page-contact .req-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-sla__wrap {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: 1fr;
}

.page-contact .contact-sla__head p {
  margin-top: 10px;
  max-width: 46ch;
}

.page-contact .sla-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-contact .sla-item {
  position: relative;
  padding: 18px 0 18px 26px;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .sla-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 24px;
  width: 9px;
  height: 9px;
  background: var(--score-400);
  transform: rotate(45deg);
}

.page-contact .sla-item__t {
  display: block;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--score-400);
}

.page-contact .sla-item p {
  margin: 8px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-100);
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-flow__lede {
  margin-top: 10px;
  max-width: 62ch;
}

.page-contact .contact-flow__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-contact .flow {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  position: relative;
}

.page-contact .flow__step {
  position: relative;
}

.page-contact .flow__node {
  display: block;
  width: 14px;
  height: 14px;
  margin-bottom: 14px;
  background: var(--score-400);
  box-shadow: 0 0 0 4px rgba(255, 178, 63, .14);
}

.page-contact .flow__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--score-400);
}

.page-contact .flow__step h3 {
  margin: 6px 0 0;
}

.page-contact .flow__step p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-contact .flow__out {
  padding-left: 12px;
  border-left: 2px solid var(--index-500);
  color: var(--text-100) !important;
  font-size: 13.5px !important;
}

.page-contact .contact-flow__next {
  margin-top: clamp(28px, 4vw, 44px);
  padding: 20px 22px;
  background: var(--ink-850);
  border-left: 3px solid var(--signal-400);
}

.page-contact .contact-flow__next p {
  margin: 0;
  max-width: 78ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-400);
}

.page-contact .contact-flow__next a {
  color: var(--signal-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-flow__next a:hover {
  color: var(--signal-400);
}

/* ---------- 主体与备案 ---------- */
.page-contact .contact-meta {
  margin-top: clamp(36px, 5vw, 68px);
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
  background: rgba(12, 23, 48, .55);
}

.page-contact .contact-meta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 34px;
  padding: 18px 0;
  font-size: 13px;
  color: var(--text-400);
}

.page-contact .contact-meta__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
}

.page-contact .contact-meta__item span {
  letter-spacing: .08em;
  color: var(--text-400);
}

.page-contact .contact-meta__item strong {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--text-100);
}

.page-contact .contact-meta__links {
  display: flex;
  gap: 20px;
  margin: 0 0 0 auto;
}

.page-contact .contact-meta__links a {
  color: var(--text-400);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-700);
  padding-bottom: 2px;
}

.page-contact .contact-meta__links a:hover {
  color: var(--text-100);
  border-color: var(--signal-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 32px;
  }

  .page-contact .contact-flow__next {
    padding: 22px 26px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(272px, 320px) minmax(0, 1fr);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-contact .contact-sla__wrap {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .sla-list {
    border-top: 0;
  }

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

  .page-contact .sla-item:first-child::before {
    top: 6px;
  }
}

@media (min-width: 1080px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 30px;
  }

  .page-contact .flow::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: calc(var(--pc-step-top) / 2 + 3px);
    height: 1px;
    background: linear-gradient(90deg, var(--index-500) 0%, var(--signal-400) 48%, var(--score-400) 100%);
    opacity: .55;
  }

  .page-contact .flow__step {
    padding-right: 14px;
  }

  .page-contact .flow__node {
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
  }
}

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

  .page-contact .path-card:hover,
  .page-contact .path-card:focus-within {
    transform: none;
  }
}