.page-contact {
  --contact-line: 1px dashed var(--edge);
  --contact-gap: clamp(36px, 5vw, 68px);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(20px, 3vw, 34px) 0 clamp(48px, 7vw, 88px);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(46, 242, 192, 0.11), transparent 62%),
    radial-gradient(80% 70% at 100% 18%, rgba(255, 162, 58, 0.08), transparent 60%);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .contact-hero__title em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  color: var(--cyan);
}

.page-contact .contact-hero__lead .lede {
  max-width: 60ch;
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__meta li {
  padding: 8px 12px;
  border: 1px solid var(--edge);
  color: var(--moss);
  font-size: 13px;
  line-height: 1.5;
}

.page-contact .contact-hero__meta .mono {
  color: var(--glow);
  margin-right: 4px;
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--panel);
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
  color: var(--text);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 108px;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-contact .contact-card__title {
  margin: 8px 0 10px;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: var(--contact-line);
}

.page-contact .contact-row:first-of-type {
  border-top: var(--contact-line);
}

.page-contact .contact-row__label {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--moss);
}

.page-contact .contact-row__value {
  grid-column: 1;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--glow);
  overflow-wrap: anywhere;
  text-decoration: none;
  border-bottom: 1px dotted var(--edge);
  padding-bottom: 2px;
}

.page-contact .contact-row__value--amber {
  color: var(--amber);
}

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

.page-contact .contact-row--wide .contact-row__value {
  grid-column: 1 / -1;
  color: var(--paper);
  font-size: 1rem;
  line-height: 1.65;
  border-bottom: 0;
}

.page-contact .copy-btn {
  grid-column: 2;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 7px 12px;
  background: transparent;
  color: var(--moss);
  border: 1px solid var(--edge);
  cursor: pointer;
  transition: color 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .copy-status {
  grid-column: 1 / -1;
  font-size: 12px;
  color: var(--cyan);
  min-height: 0;
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 值班窗口 ---------- */
.page-contact .desk {
  padding: var(--contact-gap) 0;
}

.page-contact .desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .desk__media .media__frame {
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-deep);
  overflow: hidden;
}

.page-contact .desk__media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-contact .desk__notes p {
  max-width: 62ch;
}

.page-contact .desk__list {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .desk__list li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
}

.page-contact .desk__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--amber);
}

.page-contact .desk__list strong {
  color: var(--paper);
}

.page-contact .desk__link-line {
  font-size: 14px;
  color: var(--moss);
}

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

/* ---------- 反馈分类 ---------- */
.page-contact .feedback {
  padding: var(--contact-gap) 0;
  background: linear-gradient(180deg, rgba(13, 42, 34, 0) 0%, rgba(13, 42, 34, 0.55) 18%, rgba(13, 42, 34, 0.55) 82%, rgba(13, 42, 34, 0) 100%);
}

.page-contact .feedback__head {
  max-width: 72ch;
}

.page-contact .feedback__grid {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .fb-item {
  border: 2px solid var(--edge);
  background: var(--panel-soft);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .fb-item + .fb-item {
  margin-top: 12px;
}

.page-contact .fb-item[open] {
  border-color: var(--cyan);
  box-shadow: var(--shadow-deep);
}

.page-contact .fb-item .accordion__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
}

.page-contact .fb-item .accordion__summary::-webkit-details-marker {
  display: none;
}

.page-contact .fb-item .accordion__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-contact .fb-item[open] .accordion__summary::after {
  content: "－";
  color: var(--cyan);
}

.page-contact .fb-item .accordion__body {
  padding: 0 18px 20px;
  border-top: 1px dashed var(--edge);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .fb-item .accordion__body p {
  margin: 16px 0 0;
}

.page-contact .fb-item__link {
  font-size: 13px;
}

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

.page-contact .prep-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--amber);
  background: rgba(7, 26, 20, 0.55);
  display: grid;
  gap: 8px;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--moss);
  line-height: 1.6;
}

.page-contact .prep-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.page-contact .feedback__media .media__frame {
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-deep);
  overflow: hidden;
}

.page-contact .feedback__media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 8 / 5;
}

/* ---------- 内容合作 ---------- */
.page-contact .collab {
  padding: var(--contact-gap) 0;
}

.page-contact .collab__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .collab__intro p {
  max-width: 60ch;
}

.page-contact .collab__cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .collab-card {
  padding: 22px;
  border: 2px solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .collab-card:hover {
  transform: translate(-3px, -3px);
  border-color: var(--cyan);
  box-shadow: 9px 9px 0 var(--edge);
}

.page-contact .collab-card h3 {
  margin: 12px 0 8px;
  font-size: 1.05rem;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-contact .collab-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 响应时间 ---------- */
.page-contact .resp {
  padding: var(--contact-gap) 0;
}

.page-contact .resp__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .resp__text p {
  max-width: 62ch;
}

.page-contact .resp__panel {
  padding: clamp(18px, 3vw, 28px);
  border: 2px solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-contact .resp-timeline {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 18px;
}

.page-contact .tl-line {
  stroke: var(--edge);
  stroke-width: 2;
  stroke-dasharray: 6 5;
}

.page-contact .tl-dot {
  fill: var(--panel);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-contact .tl-dot--start {
  fill: var(--cyan);
}

.page-contact .tl-dot--end {
  fill: var(--amber);
  stroke: var(--amber);
}

.page-contact .tl-label {
  fill: var(--paper);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
}

.page-contact .tl-sub {
  fill: var(--moss);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-contact .resp__facts {
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
}

.page-contact .resp__fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-top: 1px dashed var(--edge);
}

.page-contact .resp__fact dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-contact .resp__fact dd {
  margin: 0;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-contact .resp__fact dd.mono {
  color: var(--glow);
}

.page-contact .resp__fact dd.amber {
  color: var(--amber);
}

.page-contact .resp__cta {
  display: inline-block;
}

/* ---------- 服务信息 ---------- */
.page-contact .service-info {
  padding: clamp(28px, 4vw, 46px) 0 clamp(40px, 6vw, 64px);
  border-top: 1px dashed var(--edge);
}

.page-contact .service-info__inner {
  display: grid;
  gap: 10px;
}

.page-contact .service-info__title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--moss);
  font-weight: 700;
}

.page-contact .service-info__text {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--moss);
}

.page-contact .service-info__links {
  list-style: none;
  margin: 4px 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-contact .service-info__links a {
  font-size: 12.5px;
  color: var(--moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .service-info__links a:hover,
.page-contact .service-info__links a:focus-visible {
  color: var(--cyan);
}

.page-contact .service-info__icp {
  margin: 0;
  font-size: 12px;
  color: var(--moss);
  letter-spacing: 0.06em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .resp__fact {
    grid-template-columns: 1fr auto;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .desk__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .feedback__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .collab__inner {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .resp__grid {
    grid-template-columns: 6fr 6fr;
  }

  .page-contact .collab__cards {
    grid-template-columns: 1fr;
  }

  .page-contact .collab-card:nth-child(2) {
    margin-left: 24px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__grid {
    gap: 64px;
  }

  .page-contact .feedback__grid {
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .fb-item,
  .page-contact .collab-card {
    transition: none;
  }

  .page-contact .collab-card:hover {
    transform: none;
  }
}