.page-contact {
  --contact-cut: 20px;
  --contact-dash: rgba(16, 20, 24, .22);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: var(--space-5);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 40%;
  height: 380px;
  background: radial-gradient(closest-side, rgba(255, 92, 26, .30), rgba(255, 92, 26, 0) 70%);
  filter: blur(6px);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: var(--space-2) 0 0;
  max-width: 20ch;
  color: #fff;
}

.page-contact .contact-hero__lead {
  margin: var(--space-3) 0 0;
  max-width: 62ch;
  color: var(--c-night);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-contact .quick-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid rgba(41, 224, 214, .45);
  border-radius: var(--radius-pill);
  background: rgba(18, 41, 74, .68);
  font-size: 14px;
}

.page-contact .quick-chip__key {
  color: var(--c-cyan);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .quick-chip__val {
  color: #fff;
  font-size: 14px;
}

.page-contact .contact-hero__media {
  margin-top: var(--space-5);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--ln-on-deep);
  background: linear-gradient(140deg, #12294A 0%, #0B1B33 55%, #1B1030 100%);
  aspect-ratio: 5 / 2;
}

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

/* ---------- 主体：票签 + 侧栏 ---------- */
.page-contact .contact-body {
  padding-block: var(--space-5);
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}

.page-contact .contact-main-col {
  min-width: 0;
}

.page-contact .contact-side {
  min-width: 0;
}

/* 侧栏告示 */
.page-contact .channel-card {
  background: var(--c-deep);
  color: var(--c-night);
  border: 1px solid var(--c-orange);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
}

.page-contact .channel-card__head {
  padding-bottom: var(--space-2);
  border-bottom: 1px dashed rgba(199, 210, 224, .28);
}

.page-contact .channel-card__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.35;
  color: #fff;
}

.page-contact .channel-list {
  margin: var(--space-3) 0 0;
  display: grid;
  gap: var(--space-3);
}

.page-contact .channel-item {
  margin: 0;
}

.page-contact .channel-item__key {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-cyan);
}

.page-contact .channel-item__val {
  margin: 6px 0 0;
  font-size: 19px;
  line-height: 1.3;
  color: #fff;
  word-break: break-all;
}

.page-contact .channel-item__use {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(199, 210, 224, .72);
}

.page-contact .channel-card__hours {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: var(--space-3) 0 0;
  padding-top: var(--space-3);
  border-top: 1px dashed rgba(199, 210, 224, .28);
  font-size: 14px;
  color: #fff;
}

.page-contact .channel-card__dot {
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 0 rgba(255, 92, 26, .55);
  animation: contact-pulse 2.8s ease-out infinite;
}

@keyframes contact-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 92, 26, .55); }
  70% { box-shadow: 0 0 0 12px rgba(255, 92, 26, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 92, 26, 0); }
}

.page-contact .channel-card__note {
  margin: var(--space-2) 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(199, 210, 224, .72);
}

/* 流程节点 */
.page-contact .flow {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

.page-contact .flow__step {
  position: relative;
  flex: 1 1 0;
  min-width: 104px;
  padding: 26px 12px 0 0;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 9px;
  height: 1px;
  background: var(--line);
}

.page-contact .flow__step:last-child::before {
  background: linear-gradient(90deg, var(--line), transparent);
}

.page-contact .flow__step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-orange);
}

.page-contact .flow__n {
  display: block;
  font-size: 12px;
  color: var(--c-orange);
  letter-spacing: .06em;
}

.page-contact .flow__label {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--text-soft);
}

/* 票签 */
.page-contact .tickets {
  display: grid;
  gap: var(--space-3);
}

.page-contact .ticket {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 0;
  background: var(--c-cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .ticket:hover,
.page-contact .ticket:focus-within {
  transform: translateY(-4px);
  border-color: var(--c-cyan);
  box-shadow: var(--shadow-lift);
}

.page-contact .ticket:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-contact .ticket__n {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 22px;
  font-size: 18px;
  color: var(--c-orange);
  border-right: 1px dashed var(--contact-dash);
}

.page-contact .ticket__body {
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-3);
  min-width: 0;
}

.page-contact .ticket__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-contact .ticket__scene {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(16, 20, 24, .74);
}

.page-contact .ticket__reveal {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s var(--ease), opacity .3s var(--ease);
  opacity: 0;
}

.page-contact .ticket:hover .ticket__reveal,
.page-contact .ticket:focus-within .ticket__reveal {
  max-height: 340px;
  opacity: 1;
}

.page-contact .ticket__fields {
  margin: var(--space-2) 0 0;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--contact-dash);
  display: grid;
  gap: 12px;
}

.page-contact .ticket__field {
  margin: 0;
}

.page-contact .ticket__field dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-orange);
}

.page-contact .ticket__field dd {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(16, 20, 24, .78);
}

.page-contact .contact-main-col__foot {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--contact-dash);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(16, 20, 24, .72);
}

.page-contact .contact-main-col__foot a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-orange);
  padding-bottom: 1px;
}

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

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  padding-block: var(--space-5);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-contact .coop-card {
  position: relative;
  padding: var(--space-3);
  background: rgba(18, 41, 74, .72);
  border: 1px solid var(--ln-on-deep);
  border-radius: var(--radius-lg);
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}

.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(41, 224, 214, .6);
}

.page-contact .coop-card__n {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: var(--c-orange);
  color: var(--c-ink);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .coop-card__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  color: #fff;
}

.page-contact .coop-card__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-night);
}

.page-contact .coop-card__list {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: var(--space-2) 0 0;
  border-top: 1px dashed rgba(199, 210, 224, .24);
  display: grid;
  gap: 8px;
}

.page-contact .coop-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(199, 210, 224, .8);
}

.page-contact .coop-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-contact .coop-foot {
  margin: var(--space-4) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-night);
}

.page-contact .coop-foot a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid var(--c-orange);
}

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

/* ---------- 寄送信息 ---------- */
.page-contact .contact-post {
  padding-block: var(--space-5);
}

.page-contact .post-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--c-cream);
  border: 1px solid var(--line);
  border-left: 4px solid var(--c-orange);
  border-radius: var(--radius-lg);
}

.page-contact .post-box__title {
  margin: 12px 0 0;
}

.page-contact .post-box__desc {
  margin: var(--space-2) 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 20, 24, .76);
}

.page-contact .post-box__facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .post-fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-top: 1px dashed var(--contact-dash);
}

.page-contact .post-fact:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .post-fact dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(16, 20, 24, .55);
}

.page-contact .post-fact dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink);
  word-break: break-word;
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  padding-block: var(--space-5);
}

.page-contact .faq-stack {
  display: grid;
  gap: 10px;
  margin-top: var(--space-4);
}

.page-contact .faq-item {
  border: 1px solid var(--ln-on-deep);
  border-radius: var(--radius-md);
  background: rgba(18, 41, 74, .55);
  overflow: hidden;
}

.page-contact .faq-item[open] {
  border-color: rgba(41, 224, 214, .55);
}

.page-contact .faq-item__q {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-size: 16px;
  line-height: 1.6;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.page-contact .faq-item__q::before {
  content: "+";
  flex: none;
  width: 22px;
  height: 22px;
  line-height: 20px;
  text-align: center;
  border-radius: 50%;
  border: 1px solid var(--c-cyan);
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-contact .faq-item[open] .faq-item__q::before {
  content: "−";
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-ink);
}

.page-contact .faq-item__q:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-contact .faq-item__a {
  padding: 0 20px 18px 54px;
}

.page-contact .faq-item__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(199, 210, 224, .86);
}

.page-contact .faq-item__a a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid var(--c-orange);
}

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

/* ---------- 提交前自查 ---------- */
.page-contact .contact-precheck {
  padding-block: var(--space-5);
}

.page-contact .precheck-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-contact .precheck-item {
  position: relative;
  padding: var(--space-3);
  padding-top: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--c-cream);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .precheck-item__n {
  position: absolute;
  top: 14px;
  left: var(--space-3);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-contact .precheck-item__t {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-contact .precheck-item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(16, 20, 24, .76);
}

.page-contact .precheck-foot {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--contact-dash);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(16, 20, 24, .72);
}

.page-contact .precheck-foot a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-orange);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .coop-grid,
  .page-contact .precheck-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .post-fact {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero {
    padding-bottom: var(--space-6);
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 322px;
    align-items: start;
  }

  .page-contact .contact-main-col {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .contact-side {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .precheck-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-contact .ticket {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .page-contact .ticket__n {
    padding-top: 18px;
    font-size: 15px;
  }

  .page-contact .ticket__reveal {
    max-height: none;
    opacity: 1;
  }

  .page-contact .contact-hero__media {
    aspect-ratio: 4 / 3;
  }

  .page-contact .faq-item__a {
    padding-left: 20px;
  }

  .page-contact .channel-item__val {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ticket,
  .page-contact .coop-card,
  .page-contact .ticket__reveal {
    transition: none;
  }

  .page-contact .channel-card__dot {
    animation: none;
  }
}