.page-contact {
  --pc-violet-lit: #9C8CF2;
  --pc-jade-lit: #45D6B0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: 128px 0 62px;
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .36;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 13, 34, .74) 0%, rgba(10, 18, 48, .9) 58%, var(--ink) 100%),
    radial-gradient(90% 70% at 8% 12%, rgba(53, 232, 200, .2), transparent 62%),
    radial-gradient(70% 62% at 88% 82%, rgba(43, 31, 88, .85), transparent 66%);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 16px 0 18px;
  max-width: 16ch;
  color: var(--paper);
}

.page-contact .contact-lede {
  max-width: 60ch;
  font-size: 1.02rem;
  line-height: 1.8;
  color: rgba(244, 246, 251, .82);
}

/* ---------- 通用区块与编号章节 ---------- */
.page-contact .section {
  padding: 56px 0;
}

.page-contact .chapter {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.page-contact .chapter__index {
  flex: none;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 5vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(53, 232, 200, .62);
}

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

.page-contact .chapter__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .chapter__lead {
  margin: 0;
  max-width: 56ch;
  font-size: .96rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 反馈类型 + 联系方式 ---------- */
.page-contact .contact-route__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .feedback-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .feedback-card {
  --fc-accent: var(--neon);
  position: relative;
  padding: 22px 20px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-line);
  border-left: 3px solid var(--fc-accent);
  background: rgba(255, 255, 255, .045);
  transition: transform .28s ease, background .28s ease, box-shadow .28s ease;
}

.page-contact .feedback-card:nth-child(2) { --fc-accent: var(--pc-violet-lit); }
.page-contact .feedback-card:nth-child(3) { --fc-accent: var(--pc-jade-lit); }
.page-contact .feedback-card:nth-child(4) { --fc-accent: var(--signal-yellow); }

.page-contact .feedback-card[data-active="true"] {
  background: rgba(53, 232, 200, .08);
  box-shadow: 0 0 0 1px rgba(53, 232, 200, .38), var(--shadow-card);
  transform: translateY(-3px);
}

.page-contact .feedback-card__tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .09em;
  color: var(--fc-accent);
}

.page-contact .feedback-card__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .feedback-card__desc {
  margin: 0 0 12px;
  font-size: .91rem;
  line-height: 1.72;
  color: rgba(244, 246, 251, .74);
}

.page-contact .feedback-card__hint {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-contact .contact-side__panel {
  padding: 22px 20px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-line);
  background: linear-gradient(160deg, rgba(11, 43, 46, .94), rgba(10, 18, 48, .94));
  box-shadow: var(--shadow-card);
}

.page-contact .contact-line {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-line:last-of-type {
  border-bottom: none;
}

.page-contact .contact-line__key {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .contact-line__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--neon);
  word-break: break-all;
}

.page-contact .contact-line__value--addr {
  font-family: var(--font-body);
  font-size: .94rem;
  font-weight: 500;
  line-height: 1.7;
  color: var(--paper);
  word-break: normal;
}

.page-contact .contact-line__note {
  font-size: .84rem;
  line-height: 1.65;
  color: rgba(244, 246, 251, .66);
}

.page-contact .contact-window {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(53, 232, 200, .28);
  background: var(--neon-soft);
}

.page-contact .contact-window__text {
  font-size: .85rem;
  color: rgba(244, 246, 251, .8);
}

/* ---------- 回复时长 ---------- */
.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 22px;
}

.page-contact .response-card {
  padding: 20px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  border-top: 2px solid var(--signal-yellow);
  background: rgba(255, 255, 255, .04);
}

.page-contact .response-card:nth-child(2) { border-top-color: var(--neon); }
.page-contact .response-card:nth-child(3) { border-top-color: var(--signal-red); }

.page-contact .response-card__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .response-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .response-card p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.72;
  color: rgba(244, 246, 251, .72);
}

.page-contact .response-followup {
  margin: 0;
  max-width: 72ch;
  padding-left: 16px;
  border-left: 2px solid rgba(53, 232, 200, .35);
  font-size: .91rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .response-followup a,
.page-contact .contact-detail__foot a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 232, 200, .45);
}

.page-contact .response-followup a:hover,
.page-contact .contact-detail__foot a:hover {
  border-bottom-color: var(--neon);
}

/* ---------- 信息清单 ---------- */
.page-contact .contact-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .contact-detail__lead {
  margin: 0 0 6px;
  max-width: 52ch;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(244, 246, 251, .8);
}

.page-contact .detail-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 0;
}

.page-contact .detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  border-left: 2px solid rgba(53, 232, 200, .5);
  background: rgba(255, 255, 255, .04);
  font-size: .91rem;
  line-height: 1.68;
  color: rgba(244, 246, 251, .84);
}

.page-contact .detail-list li span {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--neon);
}

.page-contact .contact-detail__foot {
  margin: 0;
  max-width: 56ch;
  font-size: .9rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-detail__media {
  margin: 0;
}

.page-contact .contact-detail__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-line);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-detail__media figcaption {
  margin-top: 10px;
  font-size: .81rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 收束横幅 ---------- */
.page-contact .contact-finale {
  padding-bottom: 64px;
}

.page-contact .contact-finale__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 42px;
}

.page-contact .contact-finale__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .contact-finale__text p {
  margin: 0;
  max-width: 54ch;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(244, 246, 251, .76);
}

.page-contact .contact-finale__facts {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-finale__facts > div {
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
}

.page-contact .contact-finale__facts dt {
  margin-bottom: 5px;
  font-size: .74rem;
  letter-spacing: .13em;
  color: var(--mist);
}

.page-contact .contact-finale__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .9rem;
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .feedback-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-contact .contact-hero {
    padding: 172px 0 88px;
  }

  .page-contact .section {
    padding: 68px 0;
  }
}

@media (min-width: 760px) {
  .page-contact .response-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-detail__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-finale__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-route__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
    gap: 28px;
  }

  .page-contact .contact-side__panel {
    padding: 26px 24px;
  }
}

@media (max-width: 420px) {
  .page-contact .chapter {
    gap: 12px;
  }

  .page-contact .chapter__index {
    -webkit-text-stroke-width: 1px;
  }

  .page-contact .contact-line__value {
    font-size: .92rem;
  }
}