.page-contact {
  --pc-panel: rgba(16, 13, 26, 0.86);
  --pc-grid: rgba(36, 28, 58, 0.5);
  --pc-tint: rgba(36, 28, 58, 0.5);
  position: relative;
  color: var(--fog);
  font-family: var(--font-body);
  background-color: var(--abyss);
  background-image:
    linear-gradient(var(--pc-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  overflow-x: clip;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(780px, 92vh);
  background:
    radial-gradient(92% 70% at 82% 0%, rgba(122, 59, 255, 0.26), transparent 64%),
    radial-gradient(70% 55% at 4% 6%, rgba(47, 243, 216, 0.1), transparent 60%);
  pointer-events: none;
}

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

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(104px, 12vw, 164px);
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fog-dim);
}

.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--blueprint);
}

.page-contact .breadcrumb-link {
  color: var(--fog-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .breadcrumb-current {
  color: var(--fog);
}

.page-contact .contact-hero__lead {
  max-width: 54ch;
}

.page-contact .contact-hero__lead .coord {
  margin: 0 0 18px;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-contact .contact-hero__hl {
  font-style: normal;
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(47, 243, 216, 0.42);
}

.page-contact .contact-hero__note {
  max-width: 42ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--fog-dim);
}

/* ---------- 三块联系入口 ---------- */

.page-contact .entry-boards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 1.8vw, 18px);
  margin-top: clamp(40px, 5vw, 64px);
}

.page-contact .entry-board {
  position: relative;
  padding: 26px 22px 28px 26px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--violet);
  background: linear-gradient(155deg, rgba(36, 28, 58, 0.55), rgba(10, 8, 16, 0.94) 70%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .entry-board--mail {
  border-left-color: var(--cyan);
  background: linear-gradient(155deg, rgba(47, 243, 216, 0.1), rgba(10, 8, 16, 0.95) 62%);
}

.page-contact .entry-board:hover {
  border-color: rgba(122, 59, 255, 0.72);
  box-shadow: inset 0 0 0 1px rgba(122, 59, 255, 0.22);
}

.page-contact .entry-board--mail:hover {
  border-color: rgba(47, 243, 216, 0.72);
  box-shadow: inset 0 0 0 1px rgba(47, 243, 216, 0.24);
}

.page-contact .entry-board__idx {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-contact .entry-board--mail .entry-board__idx {
  color: var(--cyan);
}

.page-contact .entry-board__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-contact .entry-board__value {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  line-height: 1.5;
  color: var(--fog);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .entry-board--mail .entry-board__value {
  color: var(--cyan);
}

.page-contact .entry-board__use {
  margin: 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog-dim);
}

/* ---------- 联络信息图 ---------- */

.page-contact .contact-map {
  margin: clamp(44px, 6vw, 80px) 0 0;
}

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

.page-contact .contact-map img {
  border: 1px solid var(--line);
  background: var(--graphite);
}

.page-contact .contact-map figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-dim);
}

/* ---------- 章节通用 ---------- */

.page-contact .contact-block {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-contact .contact-block--route {
  background: linear-gradient(
    180deg,
    transparent,
    rgba(36, 28, 58, 0.3) 16%,
    rgba(36, 28, 58, 0.3) 84%,
    transparent
  );
}

.page-contact .section-head {
  max-width: 62ch;
}

.page-contact .section-head .coord {
  margin: 0 0 16px;
  color: var(--violet);
}

.page-contact .section-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.8vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-contact .section-note {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog-dim);
}

/* ---------- 反馈通道 ---------- */

.page-contact .feedback-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(30px, 4vw, 48px);
  align-items: start;
}

.page-contact .feedback-copy p {
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog-dim);
}

.page-contact .feedback-copy .feedback-tip {
  margin: 24px 0 0;
  padding: 15px 18px;
  border-left: 2px solid var(--cyan);
  background: rgba(47, 243, 216, 0.07);
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog);
}

.page-contact .feedback-tip a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 216, 0.45);
}

.page-contact .feedback-tip a:hover,
.page-contact .feedback-tip a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .check-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .check-list li {
  position: relative;
  padding: 14px 0 14px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--fog-dim);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 23px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  background: rgba(47, 243, 216, 0.16);
}

.page-contact .feedback-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--graphite);
  overflow: hidden;
}

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

/* ---------- 工单走向 ---------- */

.page-contact .route {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(32px, 4vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .route__step {
  position: relative;
  padding: 26px 22px 30px;
  background: var(--abyss);
  transition: background 0.3s var(--ease);
}

.page-contact .route__step:hover,
.page-contact .route__step:focus-within {
  background: rgba(36, 28, 58, 0.62);
}

.page-contact .route__node {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 18px;
  background: var(--violet);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .route__step:hover .route__node {
  box-shadow: 0 0 0 5px rgba(122, 59, 255, 0.16);
}

.page-contact .route__step:last-child .route__node {
  background: var(--cyan);
}

.page-contact .route__step:last-child:hover .route__node {
  box-shadow: 0 0 0 5px rgba(47, 243, 216, 0.16);
}

.page-contact .route__idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--violet);
}

.page-contact .route__step:last-child .route__idx {
  color: var(--cyan);
}

.page-contact .route__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-contact .route__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog-dim);
}

/* ---------- 合作与投稿 ---------- */

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(32px, 4vw, 52px);
}

.page-contact .partner-card {
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  background: linear-gradient(180deg, rgba(36, 28, 58, 0.42), rgba(10, 8, 16, 0.88));
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .partner-card--post {
  border-top-color: var(--cyan);
}

.page-contact .partner-card--joint {
  border-top-color: var(--amber);
}

.page-contact .partner-card:hover {
  border-color: rgba(122, 59, 255, 0.6);
  border-top-color: inherit;
  background: linear-gradient(180deg, rgba(36, 28, 58, 0.62), rgba(10, 8, 16, 0.92));
}

.page-contact .partner-card__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fog-dim);
}

.page-contact .partner-card__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fog-dim);
}

.page-contact .partner-card__meta {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.68;
  color: var(--fog-dim);
}

.page-contact .partner-card__meta span {
  display: inline-block;
  min-width: 44px;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .partner-foot {
  margin: clamp(26px, 3vw, 36px) 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog-dim);
}

.page-contact .partner-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 216, 0.42);
}

.page-contact .partner-foot a:hover,
.page-contact .partner-foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 场景速查表 ---------- */

.page-contact .scenario-wrap {
  margin-top: clamp(30px, 4vw, 46px);
  border: 1px solid var(--line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .scenario-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
}

.page-contact .scenario-caption {
  padding: 14px 18px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog-dim);
  background: rgba(36, 28, 58, 0.32);
}

.page-contact .scenario-table thead th {
  padding: 16px 18px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog-dim);
  background: rgba(36, 28, 58, 0.5);
  border-bottom: 1px solid var(--line);
}

.page-contact .scenario-table tbody tr {
  transition: background 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-contact .scenario-table tbody tr:hover {
  background: rgba(122, 59, 255, 0.13);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-contact .scenario-table tbody th,
.page-contact .scenario-table tbody td {
  padding: 18px;
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--fog-dim);
  border-bottom: 1px solid var(--line);
}

.page-contact .scenario-table tbody tr:last-child th,
.page-contact .scenario-table tbody tr:last-child td {
  border-bottom: none;
}

.page-contact .scenario-table tbody th {
  width: 28%;
  font-weight: 600;
  color: var(--fog);
}

.page-contact .scenario-table tbody td a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 216, 0.42);
  overflow-wrap: anywhere;
}

.page-contact .scenario-table tbody td a:hover,
.page-contact .scenario-table tbody td a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .scenario-foot {
  margin: clamp(18px, 2vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog-dim);
}

/* ---------- 收尾 ---------- */

.page-contact .contact-tail {
  padding: clamp(36px, 5vw, 64px) 0 clamp(56px, 8vw, 96px);
}

.page-contact .contact-tail__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  align-items: center;
  justify-content: space-between;
  padding: clamp(22px, 3vw, 32px) clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(120deg, rgba(36, 28, 58, 0.58), rgba(10, 8, 16, 0.9));
}

.page-contact .contact-tail__text {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fog-dim);
}

.page-contact .contact-tail__ruler {
  margin-top: 20px;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    var(--blueprint) 0 1px,
    transparent 1px 12px
  );
}

/* ---------- 响应式 ---------- */

@media (min-width: 860px) {
  .page-contact .entry-boards {
    grid-template-columns: 1.7fr 1fr 1fr;
  }

  .page-contact .route {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 960px) {
  .page-contact .feedback-layout {
    grid-template-columns: 1.08fr 1fr;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .page-contact .entry-board {
    padding: 22px 18px 24px 20px;
  }

  .page-contact .route__step {
    padding: 22px 16px 26px;
  }

  .page-contact .contact-tail__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .entry-board,
  .page-contact .route__step,
  .page-contact .route__node,
  .page-contact .partner-card,
  .page-contact .scenario-table tbody tr,
  .page-contact .breadcrumb-link {
    transition: none;
  }
}