.page-contact {
  background: var(--deep);
  color: var(--star);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  background: var(--deep);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 120% at 8% 12%, rgba(122, 92, 255, 0.34), transparent 58%),
    radial-gradient(70% 100% at 96% 88%, rgba(53, 225, 240, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(7, 11, 24, 0.5) 0%, rgba(7, 11, 24, 0.9) 68%, var(--deep) 100%);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 840px;
  padding: clamp(52px, 11vw, 118px) 0 clamp(44px, 8vw, 94px);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(22px, 4vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

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

.page-contact .contact-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .contact-kicker-line {
  display: inline-block;
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 225, 240, 0));
}

.page-contact h1 {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: clamp(29px, 6.4vw, 56px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-contact .contact-hero .lede {
  max-width: 640px;
  margin: 0;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 分屏联系板 ---------- */
.page-contact .contact-board {
  padding: clamp(44px, 7vw, 92px) 0 0;
}

.page-contact .contact-board-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(34px, 6vw, 60px);
}

.page-contact .contact-rail-inner {
  border-left: 1px solid var(--line);
  padding-left: clamp(16px, 3vw, 22px);
}

.page-contact .contact-rail-caption {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-contact .contact-channel {
  padding: clamp(18px, 3vw, 22px) 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .contact-channel-label {
  margin: 0 0 9px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .contact-value {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(13px, 3.2vw, 16px);
  line-height: 1.6;
  color: var(--star);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease);
}

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

.page-contact .contact-value--tel {
  font-size: clamp(20px, 5.4vw, 27px);
  letter-spacing: 0.05em;
}

.page-contact .contact-value--addr {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(14px, 3vw, 16px);
  line-height: 1.78;
}

.page-contact .contact-channel-note {
  margin: 9px 0 0;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 右侧推进区 ---------- */
.page-contact .contact-flow {
  min-width: 0;
}

.page-contact .flow-block {
  padding: 0 0 clamp(34px, 5vw, 56px);
  margin-bottom: clamp(34px, 5vw, 56px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .flow-block:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-contact .flow-tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--violet);
}

.page-contact .flow-title {
  margin: 0 0 14px;
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.36;
  color: var(--star);
}

.page-contact .flow-lede {
  max-width: 620px;
  margin: 0 0 clamp(22px, 3vw, 30px);
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

/* 来信三行清单 */
.page-contact .letter-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .letter-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(18px, 3vw, 22px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .letter-step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .letter-step .index-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .letter-step-body h4 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 700;
  color: var(--star);
}

.page-contact .letter-step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* 受理条目 */
.page-contact .scope-list {
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .scope-item {
  position: relative;
  padding: 0 0 0 clamp(16px, 3vw, 22px);
  margin-bottom: clamp(22px, 3.4vw, 28px);
}

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

.page-contact .scope-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 1px;
  background: var(--line);
  transition: background 0.25s var(--ease);
}

.page-contact .scope-item:hover::before {
  background: var(--cyan);
}

.page-contact .scope-item h4 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--star);
}

.page-contact .scope-item p {
  margin: 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* 回复节奏面板 */
.page-contact .pace-panel {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(22, 34, 74, 0.85), rgba(14, 23, 48, 0.55));
}

.page-contact .pace-intro {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--star);
}

.page-contact .pace-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .pace-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pace-list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pace-k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .pace-v {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .pace-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 地址方位 ---------- */
.page-contact .contact-place {
  padding: clamp(48px, 8vw, 104px) 0;
  background: var(--hull);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .place-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-contact .place-map {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-contact .place-map img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .place-map::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(122, 92, 255, 0.22), rgba(7, 11, 24, 0) 58%);
}

.page-contact .place-list {
  list-style: none;
  margin: clamp(20px, 3vw, 26px) 0 0;
  padding: 0;
}

.page-contact .place-list li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-contact .place-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .place-key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .place-val {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .place-note {
  margin: clamp(20px, 3vw, 24px) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-meta {
  padding: clamp(46px, 7vw, 88px) 0 clamp(54px, 8vw, 96px);
  background: var(--deep);
}

.page-contact .meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .meta-intro p {
  margin: 0;
  max-width: 600px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .meta-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .meta-row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .meta-row dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .meta-row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--star);
  overflow-wrap: anywhere;
}

.page-contact .meta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 42px);
}

.page-contact .meta-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: clamp(26px, 4vw, 38px);
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .meta-index a {
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-board-grid {
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .contact-rail-inner {
    position: sticky;
    top: calc(var(--topbar) + 28px);
  }
}

@media (min-width: 960px) {
  .page-contact .place-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-contact .meta-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-board-grid {
    grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 88px);
  }
}