.page-contact {
  --pc-grid-line: rgba(168, 178, 188, 0.10);
  --pc-panel: linear-gradient(150deg, #10171f 0%, var(--ink-1) 64%);
  --pc-gold-line: rgba(255, 178, 74, 0.55);
  background-color: var(--ink-0);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  min-height: 320px;
}

.page-contact .contact-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 68% 50%;
  opacity: 0.55;
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(96deg, var(--ink-0) 12%, rgba(7, 9, 12, 0.86) 48%, rgba(7, 9, 12, 0.30) 100%),
    repeating-linear-gradient(180deg, rgba(79, 245, 224, 0.055) 0 1px, transparent 1px 5px);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(20px, 4vw, 38px);
  padding-bottom: clamp(44px, 8vw, 92px);
}

.page-contact .contact-hero__inner .breadcrumbs {
  margin-bottom: 20px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 12em;
  font-family: var(--font-display);
  font-size: clamp(31px, 6.4vw, 60px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 需求分流 ---------- */
.page-contact .contact-routes {
  background-image:
    linear-gradient(var(--pc-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-routes__grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 22px 22px;
  border: 1px solid var(--line);
  background: var(--pc-panel);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 24px;
  height: 24px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  transition: width 0.22s var(--ease), height 0.22s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-color: rgba(47, 123, 255, 0.55);
  transform: translateY(-3px);
}

.page-contact .route-card:hover::before,
.page-contact .route-card:focus-visible::before {
  width: 42px;
  height: 42px;
}

.page-contact .route-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .route-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .route-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .route-card__go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-contact .route-card:hover .route-card__go {
  color: var(--cyan);
}

/* ---------- 联系方式 + 客服材料 ---------- */
.page-contact .contact-workbench {
  border-bottom: 1px solid var(--line);
  background: radial-gradient(90% 60% at 8% 0%, rgba(47, 123, 255, 0.12), transparent 62%);
}

.page-contact .contact-split {
  display: grid;
  gap: 30px;
}

.page-contact .info-panel {
  border: 1px solid var(--line-strong);
  border-top: 2px solid var(--blue);
  background: var(--pc-panel);
  padding: 24px 20px 20px;
}

.page-contact .info-panel .section-title {
  margin-top: 8px;
  font-size: clamp(22px, 3.4vw, 28px);
}

.page-contact .info-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .info-row__label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .info-row__value {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
}

.page-contact a.info-row__value:hover,
.page-contact a.info-row__value:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

.page-contact .info-row .copy-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .info-panel__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-split__main {
  min-width: 0;
}

.page-contact .contact-split__main .section-title {
  max-width: 16em;
}

.page-contact .contact-split__main .lede {
  margin-top: 12px;
  max-width: 46ch;
}

.page-contact .material-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .material-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .material-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .material-item__num {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}

.page-contact .material-item h3 {
  margin: 0 0 5px;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .material-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .inline-tip {
  margin: 24px 0 0;
  padding: 15px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(79, 245, 224, 0.06);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .inline-tip a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-business {
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(255, 79, 154, 0.10), transparent 62%),
    var(--ink-1);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-business .lede {
  margin-top: 12px;
  max-width: 52ch;
}

.page-contact .biz-list {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .biz-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 24px;
  background: var(--ink-0);
}

.page-contact .biz-item__idx {
  font-family: var(--font-editorial);
  font-size: 30px;
  line-height: 1;
  color: var(--blue);
  opacity: 0.9;
}

.page-contact .biz-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .biz-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .biz-item__meta {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--clay) !important;
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-process {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-process__inner {
  display: grid;
  gap: 32px;
}

.page-contact .contact-process__text {
  min-width: 0;
}

.page-contact .step-line {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 0 0 26px;
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 178, 74, 0.45), rgba(168, 178, 188, 0.14));
}

.page-contact .step__num {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--pc-gold-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
  background: rgba(255, 178, 74, 0.06);
}

.page-contact .step__body h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-process__media {
  margin: 0;
  border: 1px solid var(--line-strong);
}

.page-contact .contact-process__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 常见问题前置 ---------- */
.page-contact .contact-pre {
  background:
    linear-gradient(180deg, rgba(36, 44, 51, 0.6), transparent 74%),
    var(--ink-1);
}

.page-contact .pre-grid {
  display: grid;
  gap: 26px;
}

.page-contact .pre-grid .lede {
  margin-top: 12px;
  max-width: 44ch;
}

.page-contact .pre-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .pre-item {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.page-contact .pre-item:first-child {
  border-top: 2px solid var(--line-strong);
}

.page-contact .pre-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .pre-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .pre-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-contact .pre-item[open] summary::after {
  content: "\2212";
}

.page-contact .pre-item summary:hover {
  color: var(--cyan);
}

.page-contact .pre-item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .material-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 4px 18px;
  }

  .page-contact .info-panel {
    padding: 28px 24px 24px;
  }
}

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

  .page-contact .contact-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-contact .contact-split__aside {
    position: sticky;
    top: 32px;
  }

  .page-contact .contact-process__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .pre-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
}

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

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

.page-contact {
  --pc-grid-line: rgba(168, 178, 188, 0.10);
  --pc-panel: linear-gradient(150deg, #10171f 0%, var(--ink-1) 64%);
  --pc-gold-line: rgba(255, 178, 74, 0.55);
  background-color: var(--ink-0);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: grid;
  align-items: end;
  min-height: 380px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-0);
}

.page-contact .contact-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 70% 50%;
  opacity: 0.55;
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(96deg, var(--ink-0) 12%, rgba(7, 9, 12, 0.86) 46%, rgba(7, 9, 12, 0.28) 100%),
    repeating-linear-gradient(180deg, rgba(79, 245, 224, 0.055) 0 1px, transparent 1px 5px);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(38px, 7vw, 84px);
}

.page-contact .contact-hero__inner .breadcrumbs {
  margin-bottom: 22px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 12em;
  font-family: var(--font-display);
  font-size: clamp(31px, 6.6vw, 60px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 需求分流 ---------- */
.page-contact .contact-routes {
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(var(--pc-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
}

.page-contact .contact-routes__grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 22px 22px;
  border: 1px solid var(--line);
  background: var(--pc-panel);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 24px;
  height: 24px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  transition: width 0.22s var(--ease), height 0.22s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-color: rgba(47, 123, 255, 0.55);
  transform: translateY(-3px);
}

.page-contact .route-card:hover::before,
.page-contact .route-card:focus-visible::before {
  width: 42px;
  height: 42px;
}

.page-contact .route-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .route-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .route-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .route-card__go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-contact .route-card:hover .route-card__go {
  color: var(--cyan);
}

/* ---------- 联系信息 + 客服材料 ---------- */
.page-contact .contact-workbench {
  border-bottom: 1px solid var(--line);
  background: radial-gradient(90% 60% at 6% 0%, rgba(47, 123, 255, 0.12), transparent 62%);
}

.page-contact .contact-split {
  display: grid;
  gap: 30px;
}

.page-contact .info-panel {
  border: 1px solid var(--line-strong);
  border-top: 2px solid var(--blue);
  background: var(--pc-panel);
  padding: 24px 20px 20px;
}

.page-contact .info-panel .section-title {
  margin-top: 8px;
  font-size: clamp(22px, 3.4vw, 28px);
}

.page-contact .info-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .info-row__label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .info-row__value {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact a.info-row__value:hover,
.page-contact a.info-row__value:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .info-row .copy-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-contact .info-panel__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-split__main {
  min-width: 0;
}

.page-contact .contact-split__main .lede {
  margin-top: 12px;
  max-width: 46ch;
}

.page-contact .material-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .material-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .material-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .material-item__num {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}

.page-contact .material-item h3 {
  margin: 0 0 5px;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .material-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .inline-tip {
  margin: 24px 0 0;
  padding: 15px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(79, 245, 224, 0.06);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .inline-tip a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 商务与内容合作 ---------- */
.page-contact .contact-business {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(255, 79, 154, 0.10), transparent 62%),
    var(--ink-1);
}

.page-contact .contact-business .lede {
  margin-top: 12px;
  max-width: 52ch;
}

.page-contact .biz-list {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .biz-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 24px;
  background: var(--ink-0);
}

.page-contact .biz-item__idx {
  font-family: var(--font-editorial);
  font-size: 30px;
  line-height: 1;
  color: var(--blue);
}

.page-contact .biz-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .biz-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .biz-item .biz-item__meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--clay);
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-process {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-process__inner {
  display: grid;
  gap: 32px;
}

.page-contact .contact-process__text {
  min-width: 0;
}

.page-contact .step-line {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 0 0 26px;
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 178, 74, 0.45), rgba(168, 178, 188, 0.14));
}

.page-contact .step__num {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--pc-gold-line);
  background: rgba(255, 178, 74, 0.06);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .step__body h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-process__media {
  margin: 0;
  border: 1px solid var(--line-strong);
}

.page-contact .contact-process__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 常见问题前置 ---------- */
.page-contact .contact-pre {
  background:
    linear-gradient(180deg, rgba(36, 44, 51, 0.62), transparent 74%),
    var(--ink-1);
}

.page-contact .pre-grid {
  display: grid;
  gap: 26px;
}

.page-contact .pre-grid .lede {
  margin-top: 12px;
  max-width: 44ch;
}

.page-contact .pre-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .pre-list {
  min-width: 0;
}

.page-contact .pre-item {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.page-contact .pre-item:first-child {
  border-top: 2px solid var(--line-strong);
}

.page-contact .pre-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .pre-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .pre-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-contact .pre-item[open] summary::after {
  content: "\2212";
}

.page-contact .pre-item summary:hover,
.page-contact .pre-item summary:focus-visible {
  color: var(--cyan);
}

.page-contact .pre-item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .info-panel {
    padding: 28px 24px 24px;
  }

  .page-contact .material-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 4px 18px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-contact .contact-hero {
    min-height: 440px;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-contact .contact-split__aside {
    position: sticky;
    top: 32px;
  }

  .page-contact .contact-process__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .pre-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
}

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

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