.page-contact {
  --pc-dark-orange: #B8491A;
  --pc-ink-soft: #4C3C2C;
  background: var(--void);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 60px) 0 clamp(40px, 6vw, 88px);
  background:
    radial-gradient(120% 90% at 84% 6%, rgba(255, 106, 43, 0.18), transparent 58%),
    linear-gradient(165deg, #071A33 0%, #0C2644 64%, #071A33 100%);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 51, 0.5), rgba(7, 26, 51, 0.95));
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 5.6vw, 50px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .contact-hero__lead {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.78;
  color: rgba(234, 242, 250, 0.84);
}

/* 服务时段状态条 */
.page-contact .service-bar {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 16px;
  border: 1px solid var(--hair);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius-cut);
  background: rgba(22, 62, 102, 0.34);
  transition: background 0.2s var(--ease), border-left-color 0.2s var(--ease);
}

.page-contact .service-bar:hover,
.page-contact .service-bar:focus-within {
  background: rgba(22, 62, 102, 0.62);
  border-left-color: var(--orange);
}

.page-contact .service-bar__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
  animation: pc-pulse 2.8s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(43, 214, 176, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(43, 214, 176, 0); }
}

.page-contact .service-bar__text {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--mist);
}

.page-contact .service-bar__hint {
  display: none;
  width: 100%;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
}

/* 联系卡 */
.page-contact .contact-card {
  position: relative;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--hair);
  border-radius: var(--radius-cut);
  background: linear-gradient(180deg, #0C2644 0%, #08213E 100%);
  box-shadow: 0 26px 70px rgba(3, 10, 22, 0.6), inset 0 1px 0 rgba(234, 242, 250, 0.07);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-soft);
}

.page-contact .contact-card__tag {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
  border: 1px solid rgba(43, 214, 176, 0.4);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: 14px 15px;
  border: 1px solid var(--hair-soft);
  border-radius: var(--radius-cut);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-2px);
  background: var(--glass-bg-hover);
  border-color: rgba(255, 106, 43, 0.42);
}

.page-contact .channel__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--line);
}

.page-contact .channel__value {
  font-size: clamp(16px, 2.5vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .channel__value.mono {
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.page-contact .channel__value--addr {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
}

.page-contact .channel .copy-btn {
  justify-self: start;
  margin-top: 4px;
  min-height: 36px;
  padding: 0 15px;
  font-family: var(--sans);
  font-size: 13px;
  border-radius: 999px;
  border: 1px solid rgba(43, 214, 176, 0.5);
  background: rgba(43, 214, 176, 0.12);
  color: var(--teal);
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .channel .copy-btn:hover {
  background: rgba(43, 214, 176, 0.24);
  border-color: var(--teal);
}

.page-contact .channel .copy-btn:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: clamp(44px, 7vw, 90px) 0;
}

.page-contact .chapter {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-contact .chapter__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--teal);
}

.page-contact .chapter__title {
  margin: 0;
  font-size: clamp(21px, 3.6vw, 32px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .chapter__rule {
  grid-column: 1 / -1;
  display: block;
  height: 1px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 106, 43, 0));
}

.page-contact a {
  color: var(--orange-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- A01 咨询分流 ---------- */
.page-contact .inquiry {
  background: linear-gradient(180deg, #071A33 0%, #0A2140 100%);
}

.page-contact .inquiry__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .inquiry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-contact .inquiry-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 16px;
  padding: 20px 12px 20px 8px;
  border-bottom: 1px solid var(--hair);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .inquiry-row:hover,
.page-contact .inquiry-row:focus-within {
  background: rgba(22, 62, 102, 0.3);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-contact .inquiry-row__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
  padding-top: 5px;
}

.page-contact .inquiry-row__title {
  margin: 0;
  font-size: clamp(17px, 2.3vw, 20px);
  font-weight: 700;
  color: var(--mist);
}

.page-contact .inquiry-row__text {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(234, 242, 250, 0.76);
}

.page-contact .inquiry__figure {
  margin: 0;
  border-radius: var(--radius-cut);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--glass-bg);
}

.page-contact .inquiry__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 4;
}

.page-contact .inquiry__caption {
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
  border-top: 1px solid var(--hair-soft);
}

/* ---------- A02 留言准备 ---------- */
.page-contact .brief {
  background: linear-gradient(180deg, rgba(22, 62, 102, 0.42) 0%, rgba(7, 26, 51, 0) 100%);
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .brief__lead {
  margin: -8px 0 22px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(234, 242, 250, 0.78);
}

.page-contact .brief-list {
  display: grid;
  gap: 10px;
}

.page-contact .brief-item {
  border: 1px solid var(--hair);
  border-radius: var(--radius-cut);
  background: var(--glass-bg);
  backdrop-filter: blur(6px);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .brief-item:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(255, 106, 43, 0.35);
}

.page-contact .brief-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 48px;
  padding: 13px 16px;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

.page-contact .brief-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .brief-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1;
  color: var(--teal);
}

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

.page-contact .brief-item summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: var(--radius-cut);
}

.page-contact .brief-item__body p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(234, 242, 250, 0.74);
}

/* ---------- A03 服务时段 ---------- */
.page-contact .hours-band {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .hours-band .chapter__num {
  color: var(--pc-dark-orange);
}

.page-contact .hours-band .chapter__title {
  color: var(--ink);
}

.page-contact .hours-band .chapter__rule {
  background: linear-gradient(90deg, var(--pc-dark-orange), rgba(184, 73, 26, 0));
}

.page-contact .hours-band__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-contact .hours-band__text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--pc-ink-soft);
}

.page-contact .hours-band__text p:last-child {
  margin-bottom: 0;
}

.page-contact .hours-band .stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-contact .hours-band .stat {
  padding: 16px 14px;
  border: 1px solid rgba(10, 15, 22, 0.14);
  border-radius: var(--radius-cut);
  background: rgba(255, 255, 255, 0.42);
}

.page-contact .hours-band .stat__value {
  display: block;
  font-size: clamp(19px, 2.8vw, 24px);
  font-weight: 800;
  color: var(--ink);
}

.page-contact .hours-band .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--pc-ink-soft);
}

/* ---------- A04 合作沟通 ---------- */
.page-contact .coop {
  background: linear-gradient(180deg, #071A33 0%, #0C2644 100%);
}

.page-contact .coop__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .coop__intro p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(234, 242, 250, 0.8);
}

.page-contact .coop__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .coop__links a {
  text-decoration: none;
}

.page-contact .coop-list {
  margin: 0;
  display: grid;
  gap: 2px;
}

.page-contact .coop-list__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .coop-list__row:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-contact .coop-list dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange-soft);
}

.page-contact .coop-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(234, 242, 250, 0.78);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .hours-band .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .hours-band__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }

  .page-contact .inquiry__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    align-items: start;
  }

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

  .page-contact .brief-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .brief-item:first-child {
    grid-column: 1 / -1;
  }
}

@media (hover: hover) and (min-width: 760px) {
  .page-contact .service-bar__hint {
    display: block;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.22s var(--ease), opacity 0.22s var(--ease);
  }

  .page-contact .service-bar:hover .service-bar__hint,
  .page-contact .service-bar:focus-within .service-bar__hint {
    max-height: 90px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .service-bar__dot {
    animation: none;
  }

  .page-contact .channel,
  .page-contact .inquiry-row,
  .page-contact .brief-item,
  .page-contact .service-bar {
    transition: none;
  }

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