.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-rail: 2px;
  --pc-dash: repeating-linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 14px);
  display: block;
  color: var(--text);
  font-family: var(--font-body);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(28px, 4.5vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(255, 122, 51, 0.16), transparent 65%),
    radial-gradient(680px 360px at 4% 0%, rgba(46, 212, 122, 0.1), transparent 62%),
    var(--ink-900);
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(34, 48, 74, 0.5) 1px, transparent 1px);
  background-size: 48px 100%;
  opacity: 0.45;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 38%, transparent 96%);
  mask-image: linear-gradient(90deg, transparent, #000 38%, transparent 96%);
}
.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .contact-hero__head {
  display: grid;
  gap: 14px;
  max-width: 880px;
}
.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(40px, 9vw, 86px);
  line-height: 0.96;
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 720px;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
  font-size: 13px;
  color: var(--muted);
}
.page-contact .contact-hero__facts .mono {
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
}
.page-contact .contact-hero__banner {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}
.page-contact .contact-hero__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05) brightness(0.88);
}

/* ---------- 通道选择板 ---------- */
.page-contact .channel-board {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 30px);
}
.page-contact .channel-board__types {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .channel-type {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: var(--pc-rail) solid transparent;
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) ease, border-color var(--dur) ease, color var(--dur) ease;
}
.page-contact .channel-type__idx {
  font-size: 11px;
  color: var(--muted);
}
.page-contact .channel-type:hover {
  background: var(--ink-700);
  border-color: var(--line-strong);
}
.page-contact .channel-type[aria-pressed="true"] {
  border-left-color: var(--orange);
  border-color: var(--line-strong);
  background: var(--ink-700);
  color: #fff;
}
.page-contact .channel-type[aria-pressed="true"] .channel-type__idx {
  color: var(--orange);
}
.page-contact .channel-board__panels {
  display: grid;
  gap: 12px;
}
.page-contact .channel-panel {
  position: relative;
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  transition: border-color var(--dur) ease, background var(--dur) ease;
}
.page-contact .channel-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: var(--pc-rail);
  background: var(--green);
  opacity: 0.35;
}
.page-contact .channel-panel:hover {
  border-color: var(--line-strong);
}
.page-contact .channel-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.page-contact .channel-panel__head h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.page-contact .channel-panel__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .channel-panel .data-list__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-top: 1px dashed var(--line);
}
.page-contact .channel-panel .data-list__key {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-contact .channel-panel .data-list__val {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}
.page-contact .contact-card {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}
.page-contact .contact-card__label {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--green);
}
.page-contact .contact-card__value {
  margin: 0;
  font-size: clamp(15px, 2vw, 19px);
  color: var(--text);
  word-break: break-word;
}
.page-contact .contact-card__value--addr {
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.8;
}
.page-contact .contact-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .contact-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: var(--pc-rail) solid var(--orange);
  border-radius: var(--radius);
  background: var(--ink-700);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 电脑端路径 ---------- */
.page-contact .path-steps {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .path-step {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}
.page-contact .path-step__no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
}
.page-contact .path-step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
}
.page-contact .path-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .prep {
  margin-top: clamp(18px, 3vw, 26px);
}
.page-contact .prep__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-contact .field-list {
  display: grid;
  gap: 8px;
}
.page-contact .field-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(15, 23, 40, 0.6);
}
.page-contact .field-item__label {
  flex: 0 0 78px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--green);
}
.page-contact .field-item__text {
  flex: 1 1 200px;
  font-size: 14.5px;
  line-height: 1.6;
}

/* ---------- 处理流程 ---------- */
.page-contact .flow-layout {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(18px, 3vw, 30px);
}
.page-contact .flow {
  display: grid;
  gap: 12px;
}
.page-contact .flow-step {
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}
.page-contact .flow-step__meter {
  display: block;
  height: 3px;
  margin-bottom: 14px;
  background-image: var(--pc-dash);
  background-repeat: repeat-x;
}
.page-contact .flow-step--start .flow-step__meter {
  background-image: none;
  background: var(--orange);
}
.page-contact .flow-step__no {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-contact .flow-step--start .flow-step__no {
  color: var(--orange);
}
.page-contact .flow-step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
}
.page-contact .flow-step > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .flow-step details {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.page-contact .flow-step summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--green);
  cursor: pointer;
  list-style: none;
}
.page-contact .flow-step summary::-webkit-details-marker {
  display: none;
}
.page-contact .flow-step summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--muted);
}
.page-contact .flow-step details[open] summary::after {
  content: "–";
}
.page-contact .flow-step details p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .flow-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.9);
}

/* ---------- 常见处理结果 ---------- */
.page-contact .result-list {
  margin-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line);
}
.page-contact .result-row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .result-row h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.page-contact .result-row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 提交之前 ---------- */
.page-contact .next-grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}
.page-contact .next-card {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) ease, background var(--dur) ease;
}
.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  border-color: var(--green);
  background: var(--ink-700);
}
.page-contact .next-card__label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-contact .next-card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.4vw, 22px);
  font-weight: 700;
  color: var(--text);
}
.page-contact .next-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .next-card__link {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--green);
}
.page-contact .usage-line {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--muted);
}
.page-contact .usage-line a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-card--wide {
    grid-column: 1 / -1;
  }
  .page-contact .field-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .channel-board {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .channel-board__types {
    flex-direction: column;
    flex-wrap: nowrap;
  }
  .page-contact .channel-type {
    flex: 0 0 auto;
    width: 100%;
  }
  .page-contact .path-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .result-row {
    grid-template-columns: 220px minmax(0, 1fr) 110px;
    align-items: baseline;
    gap: 18px;
  }
  .page-contact .result-row .tag {
    justify-self: end;
  }
}

@media (min-width: 1000px) {
  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-type,
  .page-contact .channel-panel,
  .page-contact .next-card {
    transition: none;
  }
}