.page-contact {
  --line-soft: rgba(255,255,255,0.14);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  max-width: var(--shell);
  margin: 0 auto;
  padding: calc(var(--space) * 0.5) var(--space) 0;
}

/* ===== 联系渠道首屏 ===== */
.page-contact .contact-hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-alt) 72%, #1a3a63 100%);
  color: var(--white);
  overflow: hidden;
  padding: var(--space) var(--space) calc(var(--space) * 1.6);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 2;
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--space) * 1.2);
  align-items: center;
}

.page-contact .contact-hero__waves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.page-contact .contact-hero__kicker {
  color: var(--accent-soft);
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.82rem;
  margin-bottom: 0.4rem;
}

.page-contact .contact-hero__title {
  margin: 0.2em 0 0.25em;
  font-size: var(--fs-display);
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__lede {
  max-width: 58ch;
  color: var(--silver);
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.85;
  margin: 0;
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: calc(var(--space) * 0.8) 0 0;
  padding-top: calc(var(--space) * 0.6);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-hero__facts dt {
  font-size: 0.74rem;
  color: var(--silver);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .contact-hero__facts dd {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
}

/* 联系卡：纸质合约 */
.page-contact .contact-hero__stack {
  position: relative;
  padding: calc(var(--space) * 0.8) 0;
}

.page-contact .contact-hero__under-card {
  position: absolute;
  top: 0;
  right: 0;
  width: min(62%, 380px);
  height: auto;
  object-fit: contain;
  opacity: 0.2;
  border-radius: var(--radius);
  transform: rotate(4deg);
}

.page-contact .contact-card {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 1.6rem 1.3rem 1.2rem;
  box-shadow: 0 24px 64px rgba(3, 10, 24, 0.42);
  transform: rotate(-0.5deg);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.page-contact .contact-card:hover {
  transform: rotate(0deg);
  box-shadow: 0 18px 46px rgba(3, 10, 24, 0.3);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  right: 22px;
  height: 4px;
  background: var(--accent);
  border-radius: 0 0 5px 5px;
}

.page-contact .contact-card__stamp {
  position: absolute;
  top: 0.95rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--clay);
  border: 1px solid var(--clay);
  border-radius: 4px;
  padding: 0.12rem 0.45rem;
  transform: rotate(2deg);
  letter-spacing: 0.04em;
}

.page-contact .contact-card__head {
  padding-right: 6rem;
  margin-bottom: 0.9rem;
}

.page-contact .contact-card__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--navy);
}

.page-contact .contact-card__sub {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--slate);
  font-size: 0.85rem;
  margin: 0.2rem 0 0;
}

.page-contact .contact-card__rule {
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0 64px, var(--line) 64px 100%);
  margin: 0.9rem 0;
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
}

.page-contact .contact-item {
  padding: 0.35rem 0 0.45rem;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-item:last-of-type {
  border-bottom: 0;
}

.page-contact .contact-item dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--clay);
  text-transform: uppercase;
}

.page-contact .contact-item__line {
  margin: 0.2rem 0 0.1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.88rem, 1.6vw, 1.02rem);
  font-weight: 600;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .contact-item__note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--slate);
}

.page-contact .contact-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.page-contact .contact-card__icp {
  color: var(--slate);
}

.page-contact .contact-card__promise {
  color: var(--accent);
  font-weight: 700;
}

/* ===== 回复时效 ===== */
.page-contact .response-band {
  padding: calc(var(--space) * 1.5) var(--space);
  background: var(--paper);
}

.page-contact .response-band__grid {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  align-items: center;
}

.page-contact .response-band__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(12, 27, 58, 0.08);
  overflow: hidden;
}

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

.page-contact .response-band__figure figcaption {
  padding: 0.7rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--slate);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.page-contact .response-band__copy .t-kicker {
  color: var(--clay);
}

.page-contact .response-band__copy h2 {
  font-family: var(--font-display);
  font-size: var(--fs-title);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--navy);
  margin: 0.2rem 0 0.7rem;
}

.page-contact .response-band__copy p {
  color: var(--ink);
  line-height: 1.8;
  max-width: 60ch;
}

.page-contact .response-timeline {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  border-left: 2px solid var(--accent);
}

.page-contact .response-timeline li {
  position: relative;
  padding: 0 0 1.15rem 1.3rem;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .response-timeline li:last-child {
  padding-bottom: 0;
}

.page-contact .response-timeline li::before {
  content: "";
  position: absolute;
  left: -0.47rem;
  top: 0.42rem;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--accent);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-contact .response-timeline__num {
  font-family: var(--font-mono);
  color: var(--clay);
  font-weight: 700;
  margin-right: 0.45rem;
}

/* ===== 自助服务中心 ===== */
.page-contact .self-service {
  background: var(--navy);
  color: var(--white);
  padding: calc(var(--space) * 1.5) var(--space);
}

.page-contact .self-service .section-head__kicker {
  color: var(--accent-soft);
}

.page-contact .self-service .section-head__desc {
  color: var(--silver);
}

.page-contact .self-service__grid {
  max-width: var(--shell);
  margin: 1.6rem auto 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .self-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem 1.1rem;
  color: var(--white);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .self-card:hover {
  background: rgba(255,106,0,0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.page-contact .self-card__idx {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.page-contact .self-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0;
  color: var(--white);
  border-bottom: 2px solid rgba(255,255,255,0.12);
  padding-bottom: 0.45rem;
}

.page-contact .self-card__desc {
  font-size: 0.9rem;
  color: var(--silver);
  line-height: 1.7;
  margin: 0;
}

.page-contact .self-card__route {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-soft);
}

/* 常见问题快速展开 */
.page-contact .quick-faq {
  max-width: var(--shell);
  margin: 1.4rem auto 0;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
}

.page-contact .quick-faq summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.95rem 1.1rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
  cursor: pointer;
}

.page-contact .quick-faq summary::-webkit-details-marker {
  display: none;
}

.page-contact .quick-faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--accent);
  line-height: 1;
}

.page-contact .quick-faq[open] summary {
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.page-contact .quick-faq[open] summary::after {
  content: "−";
}

.page-contact .quick-faq ul {
  list-style: none;
  margin: 0;
  padding: 0.7rem 1.1rem 1rem;
}

.page-contact .quick-faq li a {
  display: block;
  padding: 0.5rem 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px dashed rgba(255,255,255,0.12);
}

.page-contact .quick-faq li:last-child a {
  border-bottom: 0;
}

.page-contact .quick-faq li a:hover {
  color: var(--accent-soft);
}

/* ===== 隐私与使用说明 ===== */
.page-contact .privacy-note {
  padding: calc(var(--space) * 1.5) var(--space);
  background: var(--paper);
}

.page-contact .privacy-note__grid {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  align-items: center;
}

.page-contact .privacy-note__mark {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(12,27,58,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12,27,58,0.04) 1px, transparent 1px);
  background-size: 18px 18px;
  border: 1px solid var(--line);
}

.page-contact .privacy-note__stamp {
  font-family: var(--font-mono);
  text-align: center;
  color: var(--clay);
  border: 2px solid var(--clay);
  border-radius: 8px;
  padding: 0.85rem 1.4rem;
  transform: rotate(-3deg);
  line-height: 1.5;
  letter-spacing: 0.08em;
  box-shadow: inset 0 0 0 2px rgba(184,92,56,0.15);
}

.page-contact .privacy-note__copy .t-kicker {
  color: var(--clay);
}

.page-contact .privacy-note__title {
  font-family: var(--font-display);
  font-size: var(--fs-title);
  letter-spacing: -0.015em;
  color: var(--navy);
  margin: 0.2rem 0 0.7rem;
  line-height: 1.2;
}

.page-contact .privacy-note__copy p {
  color: var(--ink);
  line-height: 1.8;
  max-width: 58ch;
}

.page-contact .privacy-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.3rem;
}

/* ===== 桌面端布局 ===== */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: calc(var(--space) * 1.6) var(--space) calc(var(--space) * 2.2);
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 520px);
    gap: clamp(2rem, 6vw, 5rem);
  }

  .page-contact .contact-hero__facts {
    margin-top: calc(var(--space) * 1.2);
    padding-top: calc(var(--space) * 0.8);
  }

  .page-contact .response-band__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .self-service__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-contact .privacy-note__grid {
    grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}