.page-contact {
  --ct-gap: clamp(16px, 2.4vw, 30px);
  --ct-pad: clamp(18px, 2.4vw, 28px);
  --ct-soft: rgba(63, 227, 198, 0.16);
  --ct-soft-amber: rgba(243, 180, 68, 0.16);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(20px, 3.4vw, 40px) clamp(36px, 5vw, 68px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  font-weight: 900;
}

.page-contact .contact-hero__narr .lede {
  margin-top: 18px;
  max-width: 60ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-contact .contact-hero__facts .data-num {
  font-size: 21px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__facts li > span:last-child {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.page-contact .contact-hero__panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px;
  display: grid;
  gap: 16px;
}

.page-contact .contact-hero__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel-teal);
  aspect-ratio: 3 / 2;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.4) contrast(1.06);
  opacity: 0.72;
}

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

.page-contact .contact-hero__status li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.page-contact .contact-hero__status li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-hero__statusname {
  color: var(--text);
}

/* ---------- 状态指示灯 ---------- */
.page-contact .led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px var(--ct-soft);
  flex: none;
}

.page-contact .led--amber {
  background: var(--amber);
  box-shadow: 0 0 0 3px var(--ct-soft-amber);
}

/* ---------- 通道 ---------- */
.page-contact .contact-channels {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(22px, 3.2vw, 40px);
}

.page-contact .channel {
  padding: var(--ct-pad);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .channel__name {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .channel__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  background: rgba(237, 227, 206, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 9px 11px;
  overflow-wrap: anywhere;
}

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

.page-contact .channel__list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
}

.page-contact .channel__list li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 材料清单 ---------- */
.page-contact .matlist {
  list-style: none;
  margin: clamp(22px, 3.2vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .mat {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.page-contact .mat:has(.mat__input:checked) {
  border-color: rgba(63, 227, 198, 0.5);
}

.page-contact .mat__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.page-contact .mat__row {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  padding: 16px 18px;
  cursor: pointer;
}

.page-contact .mat__input:focus-visible + .mat__row {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .mat__tick {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .mat__tick::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg) scale(0.4);
  opacity: 0;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .mat__input:checked + .mat__row .mat__tick {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .mat__input:checked + .mat__row .mat__tick::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.page-contact .mat__text {
  display: grid;
  gap: 4px;
}

.page-contact .mat__title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .mat__sub {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--dim);
}

.page-contact .mat__tip {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}

.page-contact .mat__tipin {
  overflow: hidden;
  min-height: 0;
}

.page-contact .mat__input:checked ~ .mat__tip {
  grid-template-rows: 1fr;
}

.page-contact .mat__tip p {
  position: relative;
  margin: 0;
  padding: 14px 18px 18px 53px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .mat__tip p::before {
  content: "";
  position: absolute;
  left: 53px;
  right: 18px;
  top: 0;
  height: 1px;
  background: var(--line);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-process__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(22px, 3.2vw, 40px);
  align-items: start;
}

.page-contact .contact-flow {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-flow::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 26px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--amber));
  opacity: 0.4;
}

.page-contact .contact-flow > li {
  position: relative;
  z-index: 1;
}

.page-contact .flow-step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .flow-step[open] {
  border-color: rgba(63, 227, 198, 0.45);
  background: var(--panel-teal);
}

.page-contact .flow-step__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
}

.page-contact .flow-step__summary::-webkit-details-marker {
  display: none;
}

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

.page-contact .flow-step__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
  font-weight: 700;
}

.page-contact .flow-step__name {
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .flow-step__chev {
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--dim);
  border-bottom: 2px solid var(--dim);
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease);
  flex: none;
}

.page-contact .flow-step[open] .flow-step__chev {
  transform: rotate(-135deg);
}

.page-contact .flow-step__body {
  padding: 0 18px 18px 52px;
}

.page-contact .flow-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .contact-process__figure {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel-teal);
}

.page-contact .contact-process__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.38) contrast(1.06);
  opacity: 0.8;
}

/* ---------- 团队 ---------- */
.page-contact .contact-team__grid {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(22px, 3.2vw, 40px);
}

.page-contact .team-card {
  padding: var(--ct-pad);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .team-card__idx {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .team-card__name {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
}

.page-contact .team-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dim);
}

.page-contact .contact-team__reach {
  margin-top: var(--ct-gap);
  padding: var(--ct-pad);
}

.page-contact .contact-team__reachline {
  margin: 10px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text);
  max-width: 70ch;
}

.page-contact .contact-team__reachline .data-num {
  font-size: 1.35em;
  color: var(--amber);
  font-weight: 700;
  margin-right: 2px;
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-help {
  padding-bottom: clamp(48px, 7vw, 90px);
}

.page-contact .contact-help__panel {
  padding: var(--ct-pad);
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .contact-help__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-contact .contact-help__lead p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dim);
  max-width: 46ch;
}

.page-contact .contact-help__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .contact-help__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .contact-help__link:hover,
.page-contact .contact-help__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .contact-help__linktitle {
  font-size: 15px;
  font-weight: 600;
}

.page-contact .contact-help__linkmeta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
  white-space: nowrap;
}

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

  .page-contact .matlist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .mat:nth-child(3) {
    grid-column: 1 / -1;
  }

  .page-contact .contact-help__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

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

  .page-contact .contact-process__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  }

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

@media (min-width: 1240px) {
  .page-contact .matlist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .mat:nth-child(3) {
    grid-column: auto;
  }

  .page-contact .mat:nth-child(4) {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .mat__tip,
  .page-contact .mat__tick,
  .page-contact .mat__tick::after,
  .page-contact .flow-step__chev,
  .page-contact .contact-help__link {
    transition: none;
  }
}