.page-contact {
  display: block;
  background: var(--yl-paper);
}

.page-contact .contact-crumb {
  padding-top: clamp(5.5rem, 12vw, 8rem);
  padding-bottom: .25rem;
}

/* ---------- 首屏：左路径图 + 右联系卡片矩阵 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  padding-top: 1.5rem;
  padding-bottom: clamp(2.5rem, 7vw, 4.5rem);
}

.page-contact .hero-left {
  min-width: 0;
}

.page-contact .contact-hero .display {
  font-size: clamp(2.05rem, 6.6vw, 4.05rem);
  line-height: 1.08;
  letter-spacing: -.012em;
  margin: .4rem 0 0;
  color: var(--yl-green);
}

.page-contact .contact-hero .lede {
  margin-top: 1.15rem;
  max-width: 34rem;
  color: var(--yl-ink-soft);
}

/* 路径图 */
.page-contact .route-figure {
  position: relative;
  margin-top: 2rem;
  padding: 1.35rem 1rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--yl-line);
  background:
    linear-gradient(155deg, #ffffff 0%, var(--yl-paper-2) 72%);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-contact .route-figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, rgba(201, 162, 39, .09) 0 10px, transparent 10px 26px);
  pointer-events: none;
}

.page-contact .route-svg {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .route-svg text {
  font-family: var(--font-body);
  letter-spacing: .01em;
}

.page-contact .route-node rect {
  transition: transform .32s var(--ease), filter .32s var(--ease);
  transform-box: fill-box;
  transform-origin: center;
}

.page-contact .route-node:hover rect,
.page-contact .route-node:focus-within rect {
  transform: translateY(-2px);
  filter: drop-shadow(0 8px 16px rgba(168, 18, 31, .28));
}

.page-contact .route-node--target:hover rect {
  filter: drop-shadow(0 8px 18px rgba(201, 162, 39, .45));
}

.page-contact .route-note {
  margin-top: 1rem;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--yl-ink-soft);
  border-left: 2px solid var(--yl-line-gold);
  padding-left: .85rem;
}

/* 联系卡片矩阵 */
.page-contact .hero-right {
  min-width: 0;
}

.page-contact .cards-title {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--yl-gold-ink);
}

.page-contact .contact-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-contact .contact-card {
  position: relative;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 16px;
  border: 1px solid var(--yl-line);
  border-left: 3px solid var(--yl-red);
  background: var(--yl-paper-2);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-2px);
  background: #ffffff;
  box-shadow: 0 18px 34px -24px rgba(18, 38, 31, .7);
}

.page-contact .contact-card--live {
  background: linear-gradient(140deg, #ffffff, var(--yl-paper-2));
  border-left-color: var(--yl-red);
}

.page-contact .contact-card--mail {
  border-left-color: var(--yl-gold);
}

.page-contact .contact-card--phone {
  border-left-color: var(--yl-clay);
}

.page-contact .contact-card__label {
  margin: 0 0 .4rem;
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--yl-moss);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.45;
  color: var(--yl-green);
}

.page-contact .contact-card__value--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(.88rem, 3.4vw, 1rem);
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
  color: var(--yl-red-deep);
}

.page-contact .contact-card__desc {
  margin: .55rem 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--yl-ink-soft);
}

/* ---------- 通用分栏 ---------- */
.page-contact .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
}

.page-contact .split__main,
.page-contact .split__aside {
  min-width: 0;
}

.page-contact .split__aside .media-frame {
  width: 100%;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .split__aside .note {
  margin-top: 1.15rem;
}

.page-contact .split__aside .note a {
  color: var(--yl-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .split__aside .note a:hover {
  color: var(--yl-neon);
}

/* ---------- 在线客服 ---------- */
.page-contact .support-section {
  padding-top: .5rem;
  padding-bottom: clamp(2.75rem, 7vw, 4.5rem);
}

.page-contact .prose h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--yl-green);
  margin: 1.9rem 0 .7rem;
  padding-bottom: .45rem;
  border-bottom: 1px solid var(--yl-line);
}

.page-contact .tick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .tick-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--yl-ink-soft);
}

.page-contact .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--yl-gold);
  background: transparent;
}

.page-contact .tick-list--plain li::before {
  border-radius: 2px;
  border-color: var(--yl-clay);
  transform: rotate(45deg);
}

/* ---------- 邮箱与电话 ---------- */
.page-contact .channel-section {
  padding-bottom: clamp(2.75rem, 7vw, 4.25rem);
}

.page-contact .channel-list {
  list-style: none;
  margin: 1.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .channel-item {
  position: relative;
  padding: 1.6rem 1.4rem 1.7rem;
  border-radius: var(--radius);
  background: #ffffff;
  border: 1px solid var(--yl-line);
  overflow: hidden;
}

.page-contact .channel-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.page-contact .channel-item--mail::after {
  background: linear-gradient(180deg, var(--yl-red), var(--yl-gold));
}

.page-contact .channel-item--phone::after {
  background: linear-gradient(180deg, var(--yl-clay), var(--yl-gold-light));
}

.page-contact .channel-item__label {
  margin: 0 0 .65rem;
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--yl-moss);
}

.page-contact .channel-item__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.4vw, 1.32rem);
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--yl-green);
  overflow-wrap: anywhere;
}

.page-contact .channel-item__desc {
  margin: .75rem 0 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--yl-ink-soft);
  max-width: 34rem;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .coop-band {
  position: relative;
  margin-top: .5rem;
  padding: clamp(2.75rem, 8vw, 5rem) 0;
  background:
    radial-gradient(118% 92% at 86% 0%, rgba(201, 162, 39, .22), transparent 56%),
    radial-gradient(90% 80% at 4% 100%, rgba(91, 75, 224, .16), transparent 60%),
    var(--yl-green);
  color: var(--yl-paper);
}

.page-contact .coop-band .eyebrow {
  color: var(--yl-gold-light);
}

.page-contact .coop-band .section-title {
  color: var(--yl-paper);
}

.page-contact .coop-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
}

.page-contact .coop-intro > p {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(247, 243, 236, .78);
}

.page-contact .coop-mail {
  padding-top: 1rem;
  border-top: 1px solid rgba(201, 162, 39, .35);
}

.page-contact .coop-mail__addr {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--yl-gold-light);
  overflow-wrap: anywhere;
}

.page-contact .coop-panels {
  min-width: 0;
}

.page-contact .coop-panel {
  border: 1px solid rgba(201, 162, 39, .38);
  border-radius: 14px;
  background: rgba(247, 243, 236, .05);
  overflow: hidden;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-contact .coop-panel + .coop-panel {
  margin-top: .85rem;
}

.page-contact .coop-panel[open] {
  border-color: rgba(201, 162, 39, .75);
  background: rgba(247, 243, 236, .09);
}

.page-contact .coop-panel > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  color: var(--yl-gold-light);
}

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

.page-contact .coop-panel > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--yl-gold);
  transition: color .3s var(--ease);
}

.page-contact .coop-panel[open] > summary::after {
  content: "−";
  color: var(--yl-gold-light);
}

.page-contact .coop-panel > summary:focus-visible {
  outline: 2px solid var(--yl-neon);
  outline-offset: -2px;
}

.page-contact .coop-panel__body {
  padding: 0 1.25rem 1.25rem;
}

.page-contact .coop-panel__body p {
  margin: 0 0 .65rem;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(247, 243, 236, .76);
}

.page-contact .coop-panel__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 办公地点 ---------- */
.page-contact .place-section {
  padding-top: clamp(2.75rem, 7vw, 4.25rem);
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .place-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius);
  border: 1px solid var(--yl-line);
  background: var(--yl-paper-2);
}

.page-contact .place-card__text {
  min-width: 0;
}

.page-contact .place-addr {
  margin: 1.2rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 3.6vw, 1.1rem);
  line-height: 1.7;
  color: var(--yl-red-deep);
  padding-left: 1rem;
  border-left: 3px solid var(--yl-gold);
}

.page-contact .place-desc {
  margin: 1.1rem 0 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--yl-ink-soft);
  max-width: 34rem;
}

.page-contact .place-figure {
  width: 100%;
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
}

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

/* ---------- 收尾入口 ---------- */
.page-contact .closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  padding-top: .5rem;
  padding-bottom: clamp(3rem, 9vw, 5.5rem);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-contact .contact-cards {
    gap: 1rem;
  }

  .page-contact .split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 6vw, 4.75rem);
    align-items: start;
  }

  .page-contact .split__aside {
    position: sticky;
    top: 6.5rem;
  }

  .page-contact .coop-inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(2rem, 6vw, 4.5rem);
    align-items: start;
  }

  .page-contact .place-card {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .route-node rect,
  .page-contact .coop-panel {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .route-node:hover rect,
  .page-contact .route-node:focus-within rect {
    transform: none;
  }
}