.page-contact {
  --contact-aside-w: 340px;
  --contact-gap: 56px;
  --contact-stripe: rgba(200, 16, 46, .12);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  position: relative;
  overflow: hidden;
  padding-bottom: 10px;
}

.page-contact .contact-intro::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -70px;
  width: 210px;
  height: 120%;
  background: repeating-linear-gradient(
    90deg,
    var(--contact-stripe) 0 12px,
    transparent 12px 26px
  );
  transform: skewX(-10deg);
  pointer-events: none;
}

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

.page-contact .contact-intro .breadcrumbs {
  margin-bottom: 22px;
}

.page-contact .contact-h1 {
  font-size: clamp(32px, 6.2vw, 58px);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-contact .contact-lede {
  margin-top: 20px;
  max-width: 62ch;
}

/* ---------- 主体布局 ---------- */
.page-contact .contact-body {
  padding-top: 12px;
}

.page-contact .contact-shell {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.page-contact .contact-flow {
  display: grid;
  gap: 52px;
  min-width: 0;
}

/* ---------- 左侧联系卡片 ---------- */
.page-contact .contact-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 26px 22px 22px 30px;
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, .38), 0 18px 40px rgba(11, 31, 58, .26);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 8px;
  background: repeating-linear-gradient(
    180deg,
    var(--red) 0 11px,
    var(--white) 11px 22px
  );
}

.page-contact .contact-card-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.25;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-value--mail {
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .contact-value--tel {
  font-size: clamp(28px, 8vw, 34px);
  letter-spacing: .01em;
  color: var(--white);
}

.page-contact .contact-card-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-night);
}

/* ---------- 区块通用 ---------- */
.page-contact .contact-block {
  scroll-margin-top: calc(var(--header-h) + 24px);
  min-width: 0;
}

.page-contact .contact-block-title {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.4vw, 32px);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-contact .contact-block-lede {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 邮箱 / 电话 分工 ---------- */
.page-contact .pair {
  display: grid;
  gap: 14px;
}

.page-contact .pair-item {
  background: var(--mist);
  border-left: 3px solid var(--red);
  border-radius: var(--radius-md);
  padding: 20px 20px 22px;
}

.page-contact .pair-item h3 {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .pair-item ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .pair-item li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pair-item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 8px;
  height: 2px;
  background: var(--red);
}

/* ---------- 反馈清单 ---------- */
.page-contact .checklist {
  margin-top: 18px;
  padding: 26px 24px 24px;
  background: var(--navy-2);
  border-radius: var(--radius-lg);
  color: var(--white);
}

.page-contact .checklist h3 {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .checklist ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ck;
  display: grid;
  gap: 11px;
}

.page-contact .checklist li {
  position: relative;
  counter-increment: ck;
  padding-left: 42px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--on-night);
}

.page-contact .checklist li::before {
  content: counter(ck, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 图片 ---------- */
.page-contact .contact-media {
  margin: 26px 0 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-contact .contact-media--wide {
  aspect-ratio: 16 / 9;
}

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

/* ---------- 合作分类切换 ---------- */
.page-contact .tabs {
  margin-top: 6px;
}

.page-contact .tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-contact .tabs .tab {
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .tabs .tab:hover {
  border-color: var(--red);
  color: var(--red);
}

.page-contact .tabs .tab[aria-selected="true"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.page-contact .tabs .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .tabs .tab-panel {
  padding: 26px 24px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-contact .tabs .tab-panel h3 {
  margin: 0 0 12px;
  font-size: 19px;
  line-height: 1.35;
}

.page-contact .tabs .tab-panel p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .topic-suggest {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--navy);
  border-radius: var(--radius-md);
}

.page-contact .topic-suggest-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .topic-suggest-text {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

/* ---------- 服务时段条 ---------- */
.page-contact .service-band {
  margin: 0 0 24px;
}

.page-contact .service-band-track {
  height: 10px;
  border-radius: var(--radius-pill);
  background: rgba(124, 224, 255, .3);
  overflow: hidden;
}

.page-contact .service-band-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--red), var(--red-deep));
  animation: contact-band-grow .6s var(--ease) both;
}

@keyframes contact-band-grow {
  from { width: 0; }
  to { width: 72%; }
}

.page-contact .service-band-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 地址 ---------- */
.page-contact .visit-card {
  margin-top: 20px;
  padding: 26px 24px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-contact .visit-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--red);
}

.page-contact .visit-address {
  margin: 0 0 14px;
  font-size: clamp(19px, 3.6vw, 25px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .visit-card .note {
  margin: 0;
}

/* ---------- 自助索引 ---------- */
.page-contact .index-list a {
  text-decoration: none;
}

.page-contact .index-list a:hover {
  color: var(--red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pair {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-shell {
    grid-template-columns: minmax(0, var(--contact-aside-w)) minmax(0, 1fr);
    gap: var(--contact-gap);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .contact-flow {
    gap: 64px;
  }
}

@media (max-width: 420px) {
  .page-contact .contact-value--mail {
    font-size: 13px;
  }

  .page-contact .contact-card {
    padding: 22px 18px 20px 26px;
  }

  .page-contact .contact-intro::after {
    display: none;
  }
}