/* ===== 咨询服务 / consult ===== */
.page-contact {
  --ct-tilt: 0deg;
  position: relative;
  overflow-x: clip;
}

@media (min-width: 840px) {
  .page-contact {
    --ct-tilt: -1.2deg;
  }
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(20px, 3.6vw, 42px) clamp(52px, 7vw, 96px);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.6vw, 58px);
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(40px, 7.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .contact-hero__lede {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 36em;
}

.page-contact .contact-hero__lead::after {
  content: "";
  display: block;
  width: clamp(80px, 18vw, 176px);
  height: 2px;
  margin-top: clamp(26px, 3vw, 38px);
  background: linear-gradient(90deg, var(--lava), var(--sky) 68%, transparent);
  transform: skewX(-18deg);
}

.page-contact .contact-hero__actions {
  margin-top: clamp(24px, 3vw, 34px);
}

.page-contact .contact-quick {
  display: grid;
  gap: 0;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-quick__item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-quick dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-contact .contact-quick dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__aside {
  position: relative;
  padding-top: 28px;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.page-contact .coords {
  position: absolute;
  top: -4px;
  right: -8px;
  width: min(54%, 224px);
  opacity: .85;
  pointer-events: none;
}

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

.page-contact .coords__pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: contact-pulse 2.8s ease-in-out infinite;
}

@keyframes contact-pulse {
  0%, 100% { opacity: .7; transform: scale(1); }
  50% { opacity: .1; transform: scale(1.6); }
}

/* ---------- 通用小标题 ---------- */
.page-contact .contact-head {
  max-width: 46ch;
  margin-bottom: clamp(28px, 3.6vw, 44px);
}

.page-contact .contact-heading {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact .contact-head-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .contact-lead {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 30px);
}

@media (min-width: 840px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-bottom: 46px;
  }
  .page-contact .channel:nth-child(1) { --ct-shift: 0px; }
  .page-contact .channel:nth-child(2) { --ct-shift: 22px; }
  .page-contact .channel:nth-child(3) { --ct-shift: 44px; }
}

.page-contact .channel {
  position: relative;
  padding: clamp(22px, 2.4vw, 30px) clamp(20px, 2.2vw, 28px) clamp(24px, 2.6vw, 32px);
  background: linear-gradient(168deg, var(--bg-2) 0%, #0A1E31 100%);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transform: translateY(var(--ct-shift, 0px)) rotate(var(--ct-tilt));
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

@media (hover: hover) {
  .page-contact .channel:hover {
    transform: translateY(calc(var(--ct-shift, 0px) - 4px)) translateX(4px) rotate(var(--ct-tilt));
    box-shadow: inset 0 0 0 1px var(--line-sky), var(--shadow);
  }
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
}

.page-contact .channel--mail::before { background: linear-gradient(90deg, var(--sky), transparent 66%); }
.page-contact .channel--phone::before { background: linear-gradient(90deg, var(--lava), transparent 66%); }
.page-contact .channel--paper::before { background: linear-gradient(90deg, var(--lake), transparent 66%); }

.page-contact .channel__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .channel__title {
  margin: 10px 0 14px;
  font-size: clamp(19px, 1.8vw, 22px);
  font-weight: 500;
  color: var(--snow);
}

.page-contact .channel__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .channel__value--mail {
  font-size: clamp(14px, 1.4vw, 17px);
  color: var(--sky-lift);
}

.page-contact .channel__value--tel {
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: .01em;
  color: var(--lava);
}

.page-contact .channel__value--addr {
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.5;
}

.page-contact .channel__desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-contact .channel--paper {
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--on-paper-line);
}

.page-contact .channel--paper .channel__index { color: rgba(8, 25, 42, .55); }
.page-contact .channel--paper .channel__title { color: var(--ink); }
.page-contact .channel--paper .channel__value--addr { color: var(--ink); }
.page-contact .channel--paper .channel__desc { color: rgba(8, 25, 42, .74); }

.page-contact .visit-details {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--on-paper-line);
}

.page-contact .visit-details summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--sky-deep);
}

.page-contact .visit-details summary::-webkit-details-marker { display: none; }
.page-contact .visit-details summary::after { content: " +"; }
.page-contact .visit-details[open] summary::after { content: " −"; }

.page-contact .visit-details__list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(8, 25, 42, .76);
}

/* ---------- 受理范围 ---------- */
.page-contact .scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 900px) {
  .page-contact .scope-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .8fr);
  }
}

.page-contact .scope-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 24px);
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .scope-item__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--lava);
}

.page-contact .scope-item__body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
  color: var(--snow);
}

.page-contact .scope-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .scope-aside {
  align-self: start;
}

@media (min-width: 900px) {
  .page-contact .scope-aside {
    padding-top: clamp(64px, 8vw, 122px);
  }
}

.page-contact .contact-note {
  padding: clamp(20px, 2.4vw, 26px);
  border-left: 2px solid var(--lake);
  background: rgba(14, 39, 64, .55);
}

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

.page-contact .contact-note__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .contact-note__links {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-contact .contact-note__links a {
  font-size: 14px;
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .contact-note__links a:hover {
  color: var(--sky-lift);
  border-bottom-color: currentColor;
}

/* ---------- 提问清单切换 ---------- */
.page-contact .ask {
  position: relative;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ask__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ask__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-contact .ask__tab {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--steel);
  box-shadow: inset 0 0 0 1px var(--line);
  cursor: pointer;
  user-select: none;
  transition: color .3s var(--ease), background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .ask__tab-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-contact .ask__radio:focus-visible ~ .ask__tabs .ask__tab {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
}

.page-contact .ask__radio:nth-of-type(1):checked ~ .ask__tabs .ask__tab:nth-of-type(1),
.page-contact .ask__radio:nth-of-type(2):checked ~ .ask__tabs .ask__tab:nth-of-type(2),
.page-contact .ask__radio:nth-of-type(3):checked ~ .ask__tabs .ask__tab:nth-of-type(3) {
  color: var(--ink);
  background: var(--lava);
  box-shadow: inset 0 0 0 1px var(--lava);
}

.page-contact .ask__panel {
  display: none;
  padding: clamp(22px, 2.8vw, 32px);
  background: linear-gradient(150deg, var(--bg-2), rgba(8, 25, 42, .92));
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .ask__radio:nth-of-type(1):checked ~ .ask__panels .ask__panel--problem,
.page-contact .ask__radio:nth-of-type(2):checked ~ .ask__panels .ask__panel--data,
.page-contact .ask__radio:nth-of-type(3):checked ~ .ask__panels .ask__panel--biz {
  display: block;
}

.page-contact .ask__h {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 500;
  color: var(--snow);
}

.page-contact .ask__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-contact .ask__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .ask__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 1px;
  background: var(--lake);
}

/* ---------- 合作方向 ---------- */
.page-contact .biz-list {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-contact .biz {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: clamp(20px, 2.8vw, 30px) 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 820px) {
  .page-contact .biz {
    grid-template-columns: 62px minmax(0, 1.3fr) minmax(0, 1fr);
    gap: clamp(16px, 3vw, 42px);
    align-items: start;
  }
}

.page-contact .biz__num {
  margin: 0;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--lake);
}

.page-contact .biz__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--snow);
}

.page-contact .biz__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .biz__need {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .biz__need li {
  position: relative;
  padding-left: 16px;
}

.page-contact .biz__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--sky);
  transform: rotate(45deg);
}

.page-contact .biz-foot {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .biz-foot a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 158, 219, .45);
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .biz-foot a:hover {
  color: var(--sky-lift);
  border-bottom-color: currentColor;
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 880px) {
  .page-contact .reply-grid {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, .62fr);
    align-items: center;
  }
}

.page-contact .reply-list {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .reply-list li {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

@media (min-width: 600px) {
  .page-contact .reply-list li {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 18px;
  }
}

.page-contact .reply-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mint);
}

.page-contact .reply-media {
  margin: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-contact .reply-media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 880px) {
  .page-contact .reply-media {
    transform: rotate(-1.6deg);
  }
}

/* ---------- 来信与到访 ---------- */
.page-contact .visit-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 46px);
  padding: clamp(26px, 3.6vw, 48px);
}

@media (min-width: 880px) {
  .page-contact .visit-panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .visit-eyebrow {
  color: var(--sky-deep);
}

.page-contact .visit-title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .visit-text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(8, 25, 42, .76);
}

.page-contact .visit-meta {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--on-paper-line);
}

.page-contact .visit-meta > div {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--on-paper-line);
}

.page-contact .visit-meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(8, 25, 42, .55);
}

.page-contact .visit-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .coords__pulse { animation: none; }
  .page-contact .channel,
  .page-contact .channel:hover { transition: none; }
  .page-contact .reply-media { transform: none; }
}
</style>