.page-contact {
  --pc-gap: clamp(18px, 3vw, 28px);
  --pc-block: clamp(44px, 7vw, 88px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: clip;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: calc(-1 * var(--gutter));
  width: 64%;
  height: 100%;
  background: linear-gradient(200deg, rgba(242, 140, 40, 0.18), rgba(0, 194, 168, 0.08) 70%);
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 7.5vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--board);
}

.page-contact .contact-hero .lede {
  max-width: 62ch;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 编号章节通用 ---------- */
.page-contact .section {
  padding: var(--pc-block) 0;
  border-top: 1px solid var(--line);
}

.page-contact .section__head {
  max-width: 78ch;
}

.page-contact .section__sub {
  margin-top: 14px;
}

.page-contact .section__sub a,
.page-contact .hours-tip a,
.page-contact .contact-outro a,
.page-contact .plate__meta a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: color 0.18s ease;
}

.page-contact .section__sub a:hover,
.page-contact .hours-tip a:hover,
.page-contact .contact-outro a:hover,
.page-contact .plate__meta a:hover {
  color: var(--apricot-deep);
}

/* ---------- 三块铭牌 ---------- */
.page-contact .plate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 42px);
}

@media (min-width: 780px) {
  .page-contact .plate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .plate {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--almond);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-contact .plate:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--ink);
  border-color: var(--apricot-deep);
}

.page-contact .plate__label {
  font-family: var(--font-cond);
  font-size: var(--fs-1);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--apricot);
}

.page-contact .plate__value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.2vw, 1.3125rem);
  line-height: 1.35;
  color: var(--board);
  word-break: break-word;
}

.page-contact .plate__desc {
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .plate__meta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-1);
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* ---------- 首屏横幅 ---------- */
.page-contact .contact-banner {
  margin: clamp(32px, 5vw, 56px) 0 0;
  position: relative;
  overflow: clip;
}

.page-contact .contact-banner::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34%;
  height: 10px;
  background: var(--apricot);
  transform: skewX(-24deg);
  transform-origin: left bottom;
}

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

/* ---------- 合作流程 ---------- */
.page-contact .coop-track {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(26px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .coop-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .coop-track::before {
    content: "";
    position: absolute;
    left: 4%;
    right: 4%;
    top: 27px;
    height: 3px;
    background: repeating-linear-gradient(90deg,
        var(--line) 0 16px,
        transparent 16px 26px);
    z-index: 0;
  }
}

.page-contact .coop-node {
  position: relative;
  z-index: 1;
  background: var(--almond);
  border: var(--bd);
  box-shadow: var(--shadow-soft);
}

.page-contact .coop-node > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  background: var(--sand);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-3);
  line-height: 1.35;
  color: var(--board);
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact .coop-node > summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-node > summary:hover {
  background: var(--apricot);
  color: var(--board);
}

.page-contact .coop-node[open] > summary {
  background: var(--ink);
  color: var(--almond);
}

.page-contact .coop-node__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-cond);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--apricot);
  color: var(--board);
  border: 2px solid var(--ink);
}

.page-contact .coop-node__title {
  flex: 1 1 auto;
}

.page-contact .coop-node__body {
  padding: 16px 18px 20px;
  border-top: 3px solid var(--ink);
  border-top-color: var(--ink);
  background: var(--almond);
}

.page-contact .coop-node__body p {
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .coop-mail {
  margin-top: clamp(24px, 3.5vw, 36px);
  padding-left: 18px;
  border-left: 6px solid var(--cyan);
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .coop-mail b {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--board);
  word-break: break-word;
}

/* ---------- 服务时段 ---------- */
.page-contact .hours-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
  margin-top: clamp(26px, 4vw, 42px);
}

@media (min-width: 820px) {
  .page-contact .hours-grid {
    grid-template-columns: 210px minmax(0, 1fr);
  }
}

.page-contact .hours-clock {
  display: block;
  width: 100%;
  max-width: 190px;
  height: auto;
  margin: 0 auto;
  transform-origin: 50% 50%;
}

.page-contact .hours-grid.is-visible .hours-clock {
  animation: pc-clock-swing 0.9s ease-out 1;
}

@keyframes pc-clock-swing {
  0% { transform: rotate(0deg); }
  32% { transform: rotate(-4.5deg); }
  66% { transform: rotate(3deg); }
  100% { transform: rotate(0deg); }
}

.page-contact .hours-lead {
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .hours-sub {
  margin-top: 22px;
  font-size: var(--fs-2);
  font-weight: 500;
  color: var(--board);
}

.page-contact .hours-list {
  margin-top: 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

@media (min-width: 620px) {
  .page-contact .hours-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .hours-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--gray);
}

.page-contact .hours-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 3px;
  background: var(--apricot);
}

.page-contact .hours-tip {
  margin-top: 24px;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 通讯地址 ---------- */
.page-contact .address {
  position: relative;
  overflow: clip;
}

.page-contact .address-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.75;
  background-image:
    radial-gradient(circle, var(--apricot) 1.5px, transparent 2px),
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 96px 96px, 48px 48px, 48px 48px;
  background-position: 0 0, 0 0, 0 0;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 22%, #000 78%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0, #000 22%, #000 78%, transparent 100%);
}

.page-contact .address-head,
.page-contact .address-plate,
.page-contact .address-media,
.page-contact .contact-outro {
  position: relative;
  z-index: 1;
}

.page-contact .address-plate {
  margin-top: clamp(26px, 4vw, 40px);
  max-width: 640px;
  padding: clamp(24px, 3.5vw, 40px);
  background: var(--almond);
  border: var(--bd);
  border-left-width: 10px;
  border-left-color: var(--apricot);
  box-shadow: var(--shadow-soft);
}

.page-contact .address-plate__label {
  font-family: var(--font-cond);
  font-size: var(--fs-1);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--apricot-deep);
}

.page-contact .address-plate__line {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.0625rem, 2.6vw, 1.5rem);
  line-height: 1.5;
  color: var(--board);
}

.page-contact .address-plate__note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .address-media {
  margin: clamp(28px, 4vw, 48px) 0 0;
  max-width: 900px;
}

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

.page-contact .contact-outro {
  margin-top: clamp(28px, 4vw, 44px);
  padding-bottom: clamp(24px, 4vw, 48px);
  max-width: 70ch;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 无障碍降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .plate,
  .page-contact .coop-node > summary {
    transition: none;
  }

  .page-contact .plate:hover {
    transform: none;
    box-shadow: var(--shadow-hard);
  }

  .page-contact .hours-grid.is-visible .hours-clock {
    animation: none;
  }
}