.page-contact {
  --contact-col: 840px;
  --contact-space: clamp(48px, 8vw, 104px);
  padding-block: clamp(26px, 4vw, 52px) clamp(52px, 8vw, 110px);
}

.page-contact .wrap > * {
  max-width: var(--contact-col);
  margin-inline: 0;
}

/* 首屏 */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3.6vw, 40px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .contact-hero h1::after {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-contact .contact-hero .lede {
  margin: 20px 0 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.9;
}

/* 图片 */
.page-contact .contact-figure {
  margin: clamp(26px, 4.6vw, 46px) 0 0;
  border: 1px solid var(--line);
  background: var(--ink-700);
  overflow: hidden;
}

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

.page-contact .contact-figure--inline {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

/* 区块节奏 */
.page-contact .contact-block {
  margin-top: var(--contact-space);
}

.page-contact .contact-block .section-head__note {
  max-width: 40em;
}

/* 联系卡片 */
.page-contact .contact-card {
  position: relative;
  background: linear-gradient(180deg, var(--ink-700), var(--ink-800));
  border: 1px solid var(--line);
  padding: clamp(20px, 3.6vw, 34px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--violet) 55%, var(--amber) 100%);
}

.page-contact .contact-card__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 16px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-card__row:first-of-type {
  border-top: 0;
  padding-top: 8px;
}

.page-contact .contact-card__key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  background: var(--label);
  color: var(--ink-900);
  padding: 3px 8px;
  line-height: 1.5;
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.6vw, 26px);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__row--mail .contact-card__value {
  color: var(--cyan);
}

.page-contact .contact-card__row--tel .contact-card__value {
  color: var(--amber);
}

.page-contact .contact-card__value--plain {
  font-size: clamp(15px, 2.2vw, 18px);
  color: var(--paper);
}

.page-contact .contact-direct .hint {
  display: block;
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 44em;
}

/* 三条通道 */
.page-contact .route-list {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .route {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
}

.page-contact .route--cyan { border-top-color: var(--cyan); }
.page-contact .route--amber { border-top-color: var(--amber); }
.page-contact .route--violet { border-top-color: var(--violet); }

.page-contact .route__index {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-contact .route__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  margin: 0;
  color: var(--paper);
}

.page-contact .route__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .route__meta {
  margin: auto 0 0;
  padding-top: 6px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* 双栏骨架 */
.page-contact .contact-split {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  grid-template-columns: 1fr;
}

/* 纠错清单 */
.page-contact .fix-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .fix-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
}

.page-contact .fix-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .fix-list__num {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
}

/* 侧边卡 */
.page-contact .contact-aside {
  align-self: start;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  padding: 22px 20px;
}

.page-contact .contact-aside__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0;
}

.page-contact .contact-aside__value {
  margin: 12px 0 0;
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-contact .contact-aside__text {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.84;
}

/* 订阅与合作 */
.page-contact .contact-note {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: 22px 20px;
}

.page-contact .contact-note--violet {
  border-left-color: var(--violet);
}

.page-contact .contact-note__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-contact .contact-note p {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

/* 折叠面板 */
.page-contact .panel {
  margin-top: 16px;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-contact .panel__summary {
  cursor: pointer;
  padding: 12px 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  color: var(--cyan);
  list-style: none;
}

.page-contact .panel__summary::-webkit-details-marker {
  display: none;
}

.page-contact .panel__body {
  padding: 0 14px 16px;
}

.page-contact .panel__body pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  letter-spacing: 0.03em;
  color: var(--muted);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* 回复节奏 */
.page-contact .pace-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .pace {
  display: grid;
  gap: 6px 24px;
  grid-template-columns: 1fr;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pace__num {
  font-size: clamp(19px, 3.4vw, 27px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--cyan);
  line-height: 1.2;
}

.page-contact .pace--amber .pace__num { color: var(--amber); }
.page-contact .pace--violet .pace__num { color: var(--violet-ink); }

.page-contact .pace__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.88;
}

/* 通信地址 */
.page-contact .address-card {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
  background: var(--ink-700);
  border: 1px solid var(--line);
  padding: clamp(20px, 3.4vw, 30px);
}

.page-contact .address-card__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .address-card__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .map-sketch {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 8px;
}

.page-contact .map-sketch svg {
  display: block;
  width: 100%;
  height: auto;
}

/* 准备清单 */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prep;
  border-top: 1px solid var(--line);
}

.page-contact .prep-list li {
  counter-increment: prep;
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.9;
}

.page-contact .prep-list li::before {
  content: "0" counter(prep);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--violet-ink);
  border: 1px solid var(--line);
  padding: 4px 6px;
}

/* 延伸链接 */
.page-contact .link-row {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-contact .contact-link {
  display: block;
  padding: 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  border-color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .contact-link__title {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--paper);
}

.page-contact .contact-link__note {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .pace {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: baseline;
  }

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

@media (min-width: 780px) {
  .page-contact .route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .address-card {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-card__value {
    font-size: 16px;
  }

  .page-contact .contact-card__row {
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-link {
    transition: none;
  }

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