.page-contact .contact-top {
  position: relative;
  padding: 26px 0 44px;
  background:
    radial-gradient(120% 150% at 10% -30%, rgba(139, 92, 246, 0.30), transparent 62%),
    radial-gradient(90% 130% at 98% -10%, rgba(45, 226, 255, 0.14), transparent 58%);
  border-bottom: 1px solid var(--line-600);
}

.page-contact .contact-top h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-contact .contact-top__lede {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .contact-top__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero {
  margin: 34px 0 0;
}

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

.page-contact .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-contact .contact-layout {
  display: grid;
  gap: 34px;
  min-width: 0;
  padding-top: 40px;
  padding-bottom: 76px;
}

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

.page-contact .contact-sec {
  padding: 44px 0;
  border-top: 1px solid var(--line-600);
}

.page-contact .contact-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

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

.page-contact .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
}

.page-contact .section-head__index {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber-gold);
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.26;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-contact .prose {
  max-width: 66ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-primary);
}

.page-contact .note {
  max-width: 66ch;
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-contact .note a,
.page-contact .contact-more a {
  color: var(--neon-purple-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 92, 246, 0.45);
}

.page-contact .note a:hover,
.page-contact .contact-more a:hover {
  color: var(--neon-blue);
  border-bottom-color: var(--neon-blue);
}

.page-contact .note a:focus-visible,
.page-contact .contact-more a:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--radius-sm);
}

.page-contact .contact-more {
  max-width: 66ch;
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* 分流图 */
.page-contact .flow {
  margin: 0 0 24px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.page-contact .flow__svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-contact .flow__box {
  fill: var(--panel-700);
  stroke: var(--line-600);
  stroke-width: 1.5;
}

.page-contact .flow__box--purple {
  stroke: rgba(139, 92, 246, 0.7);
}

.page-contact .flow__box--blue {
  stroke: rgba(45, 226, 255, 0.55);
}

.page-contact .flow__label {
  fill: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
}

.page-contact .flow__sub {
  fill: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-contact .flow__link {
  fill: none;
  stroke: var(--neon-purple);
  stroke-width: 1.5;
  opacity: 0.72;
}

/* 三入口卡片 */
.page-contact .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .route-card {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--ink-800);
  min-width: 0;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.page-contact .route-card:hover {
  transform: translateY(-2px);
  background: var(--panel-700);
}

.page-contact .route-card__key {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon-purple);
}

.page-contact .route-card--wide .route-card__key {
  color: var(--neon-blue);
}

.page-contact .route-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .route-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

/* 准备清单 */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .prep-block {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--panel-700);
  min-width: 0;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.page-contact .prep-block:hover {
  transform: translateY(-2px);
  background: var(--panel-600);
}

.page-contact .prep-block__head {
  margin: 0 0 12px;
}

.page-contact .prep-block h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .prep-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-primary);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-blue);
}

/* 处理顺序 */
.page-contact .order-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .order-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line-600);
}

.page-contact .order-item__num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--amber-gold);
  padding-top: 3px;
}

.page-contact .order-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .order-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-muted);
}

/* 联系方式 */
.page-contact .data-list {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line-600);
}

.page-contact .data-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-600);
}

.page-contact .data-list__key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.page-contact .data-list__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  overflow-wrap: anywhere;
  min-width: 0;
}

.page-contact .data-list__val--code {
  font-family: var(--font-mono);
  color: var(--amber-gold);
  letter-spacing: 0.02em;
}

/* 供稿 */
.page-contact .contrib-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .contrib-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--ink-800);
  min-width: 0;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.page-contact .contrib-card:hover {
  transform: translateY(-2px);
  background: var(--panel-700);
}

.page-contact .contrib-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--text-primary);
}

.page-contact .contrib-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--text-muted);
}

/* 常驻信息卡：全页唯一带边框的组件 */
.page-contact .contact-card {
  padding: 24px 22px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(139, 92, 246, 0.16) 0%, rgba(26, 23, 48, 0.94) 58%);
  box-shadow: var(--shadow-block);
  min-width: 0;
}

.page-contact .contact-card__title {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-contact .contact-card__list {
  display: grid;
  gap: 0;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-600);
}

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

.page-contact .contact-card__key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.page-contact .contact-card__val {
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 2px solid var(--neon-purple);
  font-size: 13px;
  line-height: 1.68;
  color: var(--text-muted);
}

.page-contact .btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

@media (min-width: 640px) {
  .page-contact .contact-top {
    padding: 34px 0 52px;
  }

  .page-contact .data-list__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .route-card--wide {
    grid-column: 1 / -1;
    padding: 26px 28px;
  }

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

  .page-contact .prep-block--wide {
    grid-column: 1 / -1;
  }

  .page-contact .contrib-grid {
    grid-template-columns: 3fr 2fr;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 28px;
  }
}