.page-contact {
  --contact-halo: rgba(51, 230, 255, .16);
  --contact-violet: rgba(139, 92, 255, .2);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-contact [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding-top: calc(var(--header-h) + clamp(14px, 3vw, 28px));
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px) 0 clamp(44px, 7vw, 84px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 70% 55% at 88% 6%, var(--contact-violet), transparent 62%),
    radial-gradient(ellipse 62% 48% at 4% 90%, var(--contact-halo), transparent 66%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .45;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(46, 61, 115, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 61, 115, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-hero__copy h1 {
  margin: 14px 0 0;
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: .02em;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .contact-hero__lead {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 48ch;
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  margin-top: clamp(20px, 3vw, 30px);
  gap: 12px;
}

.page-contact .contact-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__pills li {
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: rgba(20, 27, 58, .72);
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--muted);
}

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

.page-contact .contact-hero__figure .figure__caption {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
}

/* 章节头（行内变体） */
.page-contact .section-head--inline {
  margin-bottom: clamp(16px, 2vw, 24px);
}

/* 双栏 */
.page-contact .contact-split {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-contact .contact-side-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .contact-side-lead {
  margin: 10px 0 16px;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.8;
}

/* 联系主卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(152deg, rgba(30, 41, 84, .94), rgba(20, 27, 58, .98));
  padding: clamp(22px, 3.4vw, 40px);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 58%, transparent);
}

.page-contact .contact-card__status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-contact .contact-line + .rule {
  margin: clamp(18px, 2.6vw, 26px) 0;
}

.page-contact .contact-line__k {
  display: block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-contact .contact-line__note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .875rem;
  line-height: 1.75;
}

.page-contact .copyline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.page-contact .copyline__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .copy-btn {
  flex: none;
}

.page-contact .copy-btn[data-copied="true"] {
  background: var(--ok);
  border-color: var(--ok);
  color: #06231a;
}

/* 服务时段条 */
.page-contact .contact-hour {
  margin-top: 4px;
}

.page-contact .contact-hour__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.page-contact .contact-hour__track {
  position: relative;
  height: 8px;
  background: rgba(46, 61, 115, .6);
  border: 1px solid var(--line);
}

.page-contact .contact-hour__band {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--orange), rgba(255, 159, 67, .25));
}

.page-contact .contact-hour__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--muted);
  letter-spacing: .04em;
}

/* 联系前清单 */
.page-contact .checklist {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .checklist__item + .checklist__item {
  border-top: 1px solid var(--line);
}

.page-contact .checklist__item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--ink);
  transition: background .2s var(--ease), color .2s var(--ease);
}

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

.page-contact .checklist__item > summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
  transition: transform .24s var(--ease);
}

.page-contact .checklist__item[open] > summary::before {
  transform: rotate(45deg);
}

.page-contact .checklist__item[open] > summary {
  color: var(--cyan);
  background: rgba(51, 230, 255, .07);
}

.page-contact .checklist__item > summary:hover {
  background: rgba(139, 92, 255, .12);
}

.page-contact .checklist__body {
  padding: 0 18px 18px 38px;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.8;
}

.page-contact .checklist__body p {
  margin: 0 0 10px;
}

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

/* 辽宁地区 */
.page-contact .region-grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-contact .region-figure {
  margin: 0;
}

.page-contact .region-info {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .copyline--block {
  display: grid;
  justify-items: start;
  gap: 10px;
}

.page-contact .region-info__k {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-contact .region-meta {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .region-meta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .region-meta__row dt {
  flex: 0 0 6.5em;
  color: var(--muted);
  font-size: .875rem;
}

.page-contact .region-meta__row dd {
  flex: 1 1 12em;
  margin: 0;
  color: var(--ink);
  font-size: .9375rem;
  line-height: 1.7;
}

.page-contact .region-info__foot {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: .875rem;
  line-height: 1.75;
}

/* 响应节奏 */
.page-contact .rhythm {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .rhythm__item {
  position: relative;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: rgba(20, 27, 58, .8);
  padding: clamp(18px, 2.6vw, 26px);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .rhythm__item:nth-child(2) {
  border-top-color: var(--violet);
}

.page-contact .rhythm__item:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .rhythm__item:nth-child(4) {
  border-top-color: var(--ok);
}

.page-contact .rhythm__item:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-contact .rhythm__step {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .rhythm__title {
  margin: 10px 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .rhythm__text {
  margin: 0;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.78;
}

/* 合作面板 */
.page-contact .coop-panel {
  display: grid;
  gap: clamp(22px, 3vw, 0);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(139, 92, 255, .14), transparent 46%),
    var(--panel);
  padding: clamp(22px, 3.4vw, 40px);
}

.page-contact .coop-panel__title {
  margin: 12px 0 0;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .coop-panel__lead {
  margin: 14px 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.82;
}

.page-contact .coop-panel__actions {
  margin-top: clamp(18px, 2.6vw, 26px);
  gap: 12px;
}

.page-contact .coop-panel__side-title {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
}

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

.page-contact .coop-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: .9375rem;
  line-height: 1.7;
}

.page-contact .coop-list__k {
  flex: none;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .coop-panel__note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: .875rem;
  line-height: 1.75;
}

.page-contact .coop-panel__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 底部引导 */
.page-contact .contact-cta {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(51, 230, 255, .1), transparent 60%);
  padding: clamp(22px, 3.4vw, 36px);
}

.page-contact .contact-cta h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.8vw, 1.75rem);
  font-weight: 800;
  color: var(--ink);
}

.page-contact .contact-cta p {
  margin: 12px 0 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.82;
}

.page-contact .contact-cta__actions {
  gap: 12px;
}

/* 返回顶部 */
.page-contact .to-top {
  margin: clamp(28px, 4vw, 48px) auto 0;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-contact .rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-contact .region-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: stretch;
  }

  .page-contact .coop-panel {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1020px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-contact .rhythm {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-card {
    padding: clamp(32px, 3.4vw, 44px);
  }
}

@media (max-width: 480px) {
  .page-contact .copyline {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-contact .copy-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rhythm__item,
  .page-contact .checklist__item > summary,
  .page-contact .checklist__item > summary::before {
    transition: none;
  }
}
</style>