.page-contact {
  --cf-gap: 22px;
  --cf-pad: clamp(16px, 4vw, 44px);
  --cf-max: 1180px;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.8;
  padding: 22px var(--cf-pad) 76px;
  overflow-x: clip;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact > section {
  max-width: var(--cf-max);
  margin-inline: auto;
}

.page-contact .mono {
  font-family: var(--font-mono);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--sub);
  max-width: var(--cf-max);
  margin-inline: auto;
}

.page-contact .breadcrumb a {
  color: var(--sub);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--volt);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--text);
}

.page-contact .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: 24px;
}

.page-contact .hero-grid {
  display: grid;
  gap: var(--cf-gap);
  margin-top: 22px;
}

.page-contact .hero-eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--volt);
}

.page-contact h1 {
  margin: 0 0 16px;
  font-size: clamp(26px, 6.4vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-contact .hero-lead {
  margin: 0 0 16px;
  color: var(--sub);
  font-size: 15px;
  max-width: 64ch;
}

.page-contact .hero-note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--surge);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
}

/* ---------- 图片框 ---------- */
.page-contact .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform .4s var(--ease);
}

.page-contact .media-frame:hover .media-frame__img {
  transform: scale(1.03);
}

.page-contact .media-frame__caption {
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sub);
}

.page-contact .hero-media {
  position: relative;
}

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 60%;
  background: linear-gradient(160deg, rgba(184, 255, 60, .14), rgba(255, 122, 26, .08) 45%, transparent 78%);
  pointer-events: none;
}

/* ---------- 四象限入口 ---------- */
.page-contact .quad-wrap {
  margin-top: 36px;
}

.page-contact .quad-hint {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--sub);
}

.page-contact .route-quad {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .route-quad > li {
  display: flex;
}

.page-contact .quad {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 100%;
  padding: 20px 18px 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, var(--panel), rgba(7, 11, 24, .5));
  color: inherit;
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}

.page-contact .quad::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--line);
  transition: background .2s var(--ease);
}

.page-contact .quad--b {
  background: linear-gradient(150deg, #101B38, rgba(7, 11, 24, .5));
}

.page-contact .quad--c {
  background: linear-gradient(150deg, #0F2130, rgba(7, 11, 24, .5));
}

.page-contact .quad--d {
  background: linear-gradient(150deg, #1A1430, rgba(7, 11, 24, .5));
}

.page-contact .quad:hover,
.page-contact .quad:focus-visible {
  border-color: var(--volt-deep);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .quad:hover::before,
.page-contact .quad:focus-visible::before {
  background: var(--volt);
}

.page-contact .quad__idx {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sub);
}

.page-contact .quad__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.005em;
}

.page-contact .quad__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--sub);
}

.page-contact .quad__go {
  margin-top: 2px;
  font-size: 12px;
  color: var(--volt);
}

/* ---------- 通用内容区块 ---------- */
.page-contact .contact-block {
  position: relative;
  margin-top: 40px;
  padding: 26px clamp(16px, 3vw, 30px) 24px;
  border: 1px solid transparent;
  border-top: 2px solid var(--line);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: linear-gradient(180deg, rgba(13, 23, 48, .62), rgba(7, 11, 24, 0));
  transition: border-color .28s var(--ease), background .28s var(--ease);
  scroll-margin-top: calc(var(--top-h, 46px) + 24px);
}

.page-contact .contact-block::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 88px;
  height: 2px;
  background: var(--volt);
}

.page-contact .contact-block:target {
  border-color: var(--volt-deep);
  background: linear-gradient(180deg, rgba(18, 37, 28, .9), rgba(7, 11, 24, .15));
}

.page-contact .contact-block:target::before {
  background: linear-gradient(90deg, var(--volt), var(--surge));
  width: 160px;
  transition: width .3s var(--ease);
}

.page-contact .block-num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--surge);
}

.page-contact .contact-block h2 {
  margin: 8px 0 12px;
  font-size: clamp(20px, 4.4vw, 29px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-contact .block-lead {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  color: var(--sub);
}

.page-contact .block-after {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--volt-deep);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(18, 37, 28, .55);
  font-size: 14px;
  color: var(--text);
}

.page-contact .block-grid {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-contact .block-media {
  border-radius: var(--radius-md);
}

/* ---------- 字段清单 ---------- */
.page-contact .field-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .field-list > li {
  display: grid;
  gap: 3px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
}

.page-contact .field-list__k {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--volt);
}

.page-contact .field-list__v {
  font-size: 15px;
  color: var(--text);
}

/* ---------- 纠错三步 ---------- */
.page-contact .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  counter-reset: cfstep;
  display: grid;
  gap: 14px;
}

.page-contact .step-list > li {
  position: relative;
  padding-left: 46px;
}

.page-contact .step-list > li::before {
  counter-increment: cfstep;
  content: "0" counter(cfstep);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: var(--volt);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .step-list__t {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .step-list__d {
  margin: 3px 0 0;
  font-size: 14px;
  color: var(--sub);
}

.page-contact .fix-grid {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .fix-card {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(13, 23, 48, .7);
}

.page-contact .fix-card__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--surge);
}

.page-contact .fix-card__text {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

/* ---------- 合作方向 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .partner-card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(165deg, rgba(13, 23, 48, .9), rgba(7, 11, 24, .35));
}

.page-contact .partner-card::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--volt);
  opacity: .85;
}

.page-contact .partner-card__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 14px;
  color: var(--sub);
}

.page-contact .flow {
  margin-top: 22px;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
}

.page-contact .flow__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--volt);
}

.page-contact .flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .flow__list > li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  color: var(--text);
}

.page-contact .flow__n {
  color: var(--ink);
  background: var(--sub);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.page-contact .flow__note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--sub);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-card {
  padding: 16px;
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.page-contact .contact-card:last-child {
  margin-bottom: 0;
}

.page-contact .contact-card--accent {
  border-color: var(--volt-deep);
  background: var(--wash);
}

.page-contact .contact-card__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sub);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-contact .contact-card__hint {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--sub);
}

.page-contact .scale-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .time-scale {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .time-scale > li {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0 14px 26px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .time-scale > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 21px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--volt-deep);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .time-scale > li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 32px;
  bottom: -1px;
  width: 1px;
  background: var(--line);
}

.page-contact .time-scale > li:last-child::after {
  display: none;
}

.page-contact .time-scale > li:hover::before {
  background: var(--volt);
  border-color: var(--volt);
}

.page-contact .time-scale > li:hover .time-scale__d {
  color: var(--text);
}

.page-contact .time-scale__t {
  font-size: 14px;
  font-weight: 700;
  color: var(--volt);
  font-variant-numeric: tabular-nums;
}

.page-contact .time-scale__d {
  margin: 0;
  font-size: 14px;
  color: var(--sub);
  transition: color .2s var(--ease);
}

.page-contact .scale-note {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--surge);
  font-size: 13px;
  color: var(--text);
}

/* ---------- 来函与到访 ---------- */
.page-contact .contact-block--tail::before {
  background: var(--surge);
}

.page-contact .visit-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .visit-item {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(13, 23, 48, .55);
  border-left: 3px solid var(--line);
  transition: border-color .2s var(--ease);
}

.page-contact .visit-item:hover {
  border-left-color: var(--volt);
}

.page-contact .visit-item__t {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
}

.page-contact .visit-item__d {
  margin: 0;
  font-size: 14px;
  color: var(--sub);
}

.page-contact .tail-links {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .tail-links__lead {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--sub);
}

.page-contact .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .link-row a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-contact .link-row a:hover,
.page-contact .link-row a:focus-visible {
  border-color: var(--volt);
  color: var(--volt);
  background: rgba(18, 37, 28, .6);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .field-list > li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

@media (min-width: 760px) {
  .page-contact .route-quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

@media (min-width: 900px) {
  .page-contact {
    padding-top: 30px;
    padding-bottom: 96px;
  }

  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: end;
    gap: 34px;
  }

  .page-contact .block-grid--media {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 30px;
  }

  .page-contact .block-grid--aside {
    grid-template-columns: minmax(0, 268px) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .hero-lead {
    font-size: 16px;
  }

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

  .page-contact .contact-block {
    margin-top: 52px;
    padding: 32px 34px 28px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-block {
    padding-inline: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .media-frame__img,
  .page-contact .quad,
  .page-contact .link-row a,
  .page-contact .contact-block {
    transition: none !important;
  }

  .page-contact .media-frame:hover .media-frame__img {
    transform: none;
  }

  .page-contact .quad:hover {
    transform: none;
  }
}