.page-contact {
  --pc-edge: rgba(124, 147, 176, 0.22);
  --pc-edge-strong: rgba(124, 147, 176, 0.4);
  --pc-cyan: rgba(56, 225, 208, 0.34);
  --pc-ink-soft: #55647a;
  padding-bottom: clamp(3rem, 8vw, 6rem);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(0.75rem, 2.5vw, 1.75rem);
  padding-bottom: clamp(1rem, 3vw, 1.5rem);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.65rem, 5.4vw, 2.9rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  margin: 0.7rem 0 1rem;
  max-width: 24ch;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(0.95rem, 1.7vw, 1.06rem);
  line-height: 1.8;
  color: var(--c-steel);
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}

.page-contact .contact-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--pc-edge);
  border-radius: 999px;
  background: rgba(5, 13, 24, 0.6);
}

.page-contact .contact-hero__k {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-steel);
}

.page-contact .contact-hero__v {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--c-cyan);
}

/* ---------- 通栏图 ---------- */
.page-contact .contact-banner {
  position: relative;
  margin: clamp(0.5rem, 2vw, 1rem) 0 clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--pc-edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-night);
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 26, 47, 0.15) 0%, rgba(5, 13, 24, 0.72) 100%);
  pointer-events: none;
}

.page-contact .contact-banner__caption {
  position: absolute;
  left: clamp(0.85rem, 3vw, 1.5rem);
  bottom: clamp(0.7rem, 2.5vw, 1.1rem);
  z-index: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--c-paper);
  opacity: 0.82;
}

/* ---------- 通用章节头 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(1.1rem, 3vw, 1.75rem);
}

.page-contact .section-head h2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  margin: 0.55rem 0 0.6rem;
  max-width: 26ch;
}

.page-contact .section-head__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-steel);
}

/* ---------- 三条通道 ---------- */
.page-contact .channels {
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .channels__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .channel-card {
  position: relative;
  border: 1px solid var(--pc-edge);
  border-left: 5px solid var(--c-wood);
  border-radius: var(--radius);
  background: var(--c-wood-soft);
  color: var(--c-ink);
  padding: clamp(1.1rem, 3.4vw, 1.6rem);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-contact .channel-card__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 0;
  color: #7a5a2c;
}

.page-contact .channel-card__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  line-height: 1.3;
  margin: 0.15rem 0 0;
  color: var(--c-ink);
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.92rem, 2.4vw, 1.16rem);
  letter-spacing: -0.015em;
  word-break: break-all;
  line-height: 1.4;
  margin: 0.15rem 0 0;
  color: var(--c-ink);
}

.page-contact .channel-card__body {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: #3b4757;
}

.page-contact .channel-card__meta {
  margin: auto 0 0;
  padding-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: #6b5a3f;
  border-top: 1px dashed var(--pc-edge-strong);
}

.page-contact .channel-card--line .channel-card__value {
  color: #8a3f16;
}

.page-contact .channel-card--primary {
  background: linear-gradient(160deg, #102murky 0%, var(--c-night) 100%);
  background: linear-gradient(160deg, #0e2340 0%, var(--c-night) 100%);
  color: var(--c-paper);
  border-color: var(--pc-cyan);
  border-left-color: var(--c-cyan);
  box-shadow: 0 0 0 1px rgba(56, 225, 208, 0.08), inset 0 0 70px -34px rgba(56, 225, 208, 0.6);
}

.page-contact .channel-card--primary .channel-card__label {
  color: var(--c-cyan);
}

.page-contact .channel-card--primary .channel-card__title {
  color: var(--c-paper);
}

.page-contact .channel-card--primary .channel-card__body {
  color: #a9bdd4;
}

.page-contact .channel-card--primary .channel-card__meta {
  color: var(--c-steel);
  border-top-color: var(--pc-cyan);
}

.page-contact .channel-card__ring {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid var(--c-orange);
  position: relative;
  flex: 0 0 auto;
  margin-bottom: 0.35rem;
  animation: pc-breathe 4s ease-in-out infinite;
}

.page-contact .channel-card__ring::after {
  content: "";
  position: absolute;
  inset: 11px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 123, 69, 0.7), rgba(255, 123, 69, 0) 72%);
}

@keyframes pc-breathe {
  0%, 100% { transform: scale(1); opacity: 0.82; }
  50% { transform: scale(1.09); opacity: 1; }
}

/* ---------- 服务时段 ---------- */
.page-contact .hours {
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--pc-edge);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .hours__track {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  margin: 0.35rem 0 clamp(1.1rem, 3vw, 1.6rem);
}

.page-contact .hours__time {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.98rem, 2.8vw, 1.35rem);
  letter-spacing: -0.01em;
  color: var(--c-cyan);
}

.page-contact .hours__rail {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(124, 147, 176, 0.2);
  overflow: hidden;
}

.page-contact .hours__railFill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-wood) 58%, var(--c-orange) 100%);
  opacity: 0.9;
}

.page-contact .hours__notes {
  display: grid;
  gap: 0.85rem;
}

.page-contact .hours__note {
  border: 1px solid var(--pc-edge);
  border-radius: var(--radius);
  background: rgba(10, 26, 47, 0.6);
  padding: 1rem 1.15rem;
}

.page-contact .hours__note h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.4rem;
  color: var(--c-paper);
}

.page-contact .hours__note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--c-steel);
}

.page-contact .hours__note--alert {
  border-left: 4px solid var(--c-orange);
  background: linear-gradient(180deg, rgba(255, 123, 69, 0.09) 0%, rgba(255, 123, 69, 0.015) 100%);
}

.page-contact .hours__figure {
  margin: clamp(1.25rem, 3.5vw, 1.9rem) 0 0;
  border: 1px solid var(--pc-edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-night);
  position: relative;
}

.page-contact .hours__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.8);
}

.page-contact .hours__figure .contact-banner__caption {
  position: static;
  padding: 0.6rem 0.9rem;
  background: rgba(5, 13, 24, 0.85);
  font-size: 0.74rem;
  color: var(--c-steel);
  opacity: 1;
}

/* ---------- 合作与接口 ---------- */
.page-contact .partner {
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--pc-edge);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  display: grid;
  gap: 1.25rem;
}

.page-contact .partner__intro h2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  margin: 0.55rem 0 0.7rem;
  max-width: 22ch;
}

.page-contact .partner__intro p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-steel);
}

.page-contact .partner__panel {
  border: 1px solid var(--pc-cyan);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(56, 225, 208, 0.06) 0%, rgba(10, 26, 47, 0.7) 100%);
  padding: clamp(1.1rem, 3.4vw, 1.7rem);
}

.page-contact .partner__panelTitle {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-contact .partner__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .partner__item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 0.7rem;
  align-items: start;
}

.page-contact .partner__box {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--pc-edge-strong);
  border-radius: 2px;
  background: rgba(5, 13, 24, 0.7);
  position: relative;
}

.page-contact .partner__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 10px;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(40deg);
}

.page-contact .partner__text {
  font-size: 0.93rem;
  line-height: 1.7;
  color: #b7c8da;
}

.page-contact .partner__foot {
  margin: 1.1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--pc-edge);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-steel);
}

.page-contact .partner__mail {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-cyan);
  word-break: break-all;
}

/* ---------- 地址 ---------- */
.page-contact .address {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--pc-edge);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .address-card {
  margin: 0;
  padding: clamp(1.1rem, 3.4vw, 1.6rem);
  border: 1px solid var(--pc-edge);
  border-left: 5px solid var(--c-wood);
  border-radius: var(--radius);
  background: rgba(5, 13, 24, 0.72);
  display: grid;
  gap: 0.85rem;
}

.page-contact .address-card__row {
  display: grid;
  gap: 0.2rem;
}

.page-contact .address-card__k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-wood);
}

.page-contact .address-card__v {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.9rem, 2.3vw, 1.05rem);
  line-height: 1.55;
  color: var(--c-paper);
  word-break: break-all;
}

.page-contact .address__note {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--c-steel);
}

/* ---------- 收好与延伸 ---------- */
.page-contact .contact-return {
  border: 1px solid var(--pc-edge);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(56, 225, 208, 0.08) 0%, rgba(5, 13, 24, 0.7) 60%);
  padding: clamp(1.1rem, 3.5vw, 1.7rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.25rem;
}

.page-contact .contact-return__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: #b7c8da;
}

.page-contact .contact-return__btn {
  flex: 0 0 auto;
}

.page-contact .contact-more {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .contact-more__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-steel);
}

.page-contact .contact-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .contact-more__list a {
  display: inline-block;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-contact .contact-more__list a:hover,
.page-contact .contact-more__list a:focus-visible {
  border-bottom-color: var(--c-orange);
  color: var(--c-orange);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-contact .hours__notes {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .partner {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 2rem;
  }

  .page-contact .address-card {
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem 2rem;
  }
}

@media (min-width: 900px) {
  .page-contact .channels__grid {
    grid-template-columns: 1.28fr 1fr;
    grid-template-rows: auto auto;
    align-items: stretch;
    gap: 1.1rem;
  }

  .page-contact .channel-card--primary {
    grid-row: 1 / span 2;
  }
}

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

  .page-contact .contact-more__list a {
    transition: none;
  }
}