.page-contact {
  --pc-line: rgba(95, 179, 232, 0.16);
  --pc-line-soft: rgba(95, 179, 232, 0.32);
  --pc-gap: clamp(18px, 3vw, 32px);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(30px, 4vw, 56px);
  border-bottom: 1px solid var(--ink-700);
  background-image:
    radial-gradient(120% 90% at 88% 0%, rgba(46, 127, 184, 0.18) 0%, rgba(10, 15, 20, 0) 58%),
    radial-gradient(80% 70% at 4% 100%, rgba(201, 150, 60, 0.09) 0%, rgba(10, 15, 20, 0) 62%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: 1fr;
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }
}

.page-contact .contact-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--text-dim);
}

.page-contact .hero-side {
  display: grid;
  gap: 0;
  border-top: 3px solid var(--gold-500);
  background-color: rgba(20, 28, 36, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
}

.page-contact .hero-side__item {
  display: grid;
  gap: 4px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .hero-side__item:last-child {
  border-bottom: 0;
}

.page-contact .hero-side__item--accent {
  background-color: rgba(192, 57, 43, 0.08);
}

.page-contact .hero-side__label {
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-contact .hero-side__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--blue-400);
  text-decoration: none;
  word-break: break-all;
  transition: color 180ms var(--ease-out);
}

.page-contact .hero-side__value:hover,
.page-contact .hero-side__value:focus-visible {
  color: var(--gold-300);
}

.page-contact .hero-side__value--plain {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  word-break: normal;
}

/* ---------- 渠道区 ---------- */

.page-contact .channels-layout {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: 1fr;
}

@media (min-width: 980px) {
  .page-contact .channels-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: start;
    gap: clamp(24px, 4vw, 44px);
  }
}

.page-contact .channel-stack {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 22px 20px;
  display: grid;
  gap: 10px;
}

.page-contact .channel-card .archive-card__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 22px);
}

.page-contact .channel-card .archive-card__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-contact .channel-card .archive-card__foot {
  margin: 4px 0 0;
}

.page-contact .channel-card--online {
  border-left: 3px solid var(--blue-600);
}

.page-contact .channel-card__tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  color: var(--gold-300);
  border: 1px solid rgba(201, 150, 60, 0.45);
  background-color: rgba(201, 150, 60, 0.08);
}

.page-contact .channel-card__reach {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ink-700);
}

.page-contact .channel-card__reach a {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 18px);
  color: var(--blue-400);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-contact .channel-card__reach a:hover,
.page-contact .channel-card__reach a:focus-visible {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}

/* 坐标卡 */

.page-contact .coords-card {
  position: relative;
  overflow: hidden;
  padding: 24px 22px 22px;
  display: grid;
  gap: 16px;
  background-color: rgba(20, 28, 36, 0.72);
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-card);
}

.page-contact .coords-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pc-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-line) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  opacity: 0.9;
}

.page-contact .coords-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .coords-card .archive-card__title {
  margin: 0;
  font-size: 20px;
}

.page-contact .coords-visual {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--ink-700);
  border-radius: 12px;
  background-color: rgba(10, 15, 20, 0.55);
}

.page-contact .coords-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .coords-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--ink-700);
}

.page-contact .coords-list > div:last-child {
  border-bottom: 0;
}

.page-contact .coords-list dt {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.page-contact .coords-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  text-align: right;
}

/* 图片 */

.page-contact .contact-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-contact .contact-figure .media-frame {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--ink-700);
}

.page-contact .contact-figure .media-frame img,
.page-contact .location-visual .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-frame__label {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 五步流程 ---------- */

.page-contact .flow-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink-700);
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 18px 4px 18px 0;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .flow-step__num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--blue-600);
  letter-spacing: 0.04em;
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .flow-step--key .flow-step__num {
  color: var(--cinnabar);
  border-bottom: 2px solid var(--cinnabar);
  padding-bottom: 3px;
  border-radius: 1px;
}

.page-contact .flow-step--key .flow-step__text {
  color: var(--text);
  font-weight: 600;
}

@media (min-width: 800px) {
  .page-contact .flow-strip {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-contact .flow-step {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 22px 20px 24px;
    border-bottom: 0;
    border-left: 1px solid var(--ink-700);
  }

  .page-contact .flow-step:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-contact .flow-step--key {
    background-color: rgba(192, 57, 43, 0.07);
  }
}

.page-contact .flow-note {
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--gold-500);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-dim);
  max-width: 76ch;
}

/* ---------- 备案区（浅色） ---------- */

.page-contact .filing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid rgba(22, 32, 42, 0.18);
}

@media (min-width: 760px) {
  .page-contact .filing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
}

.page-contact .filing-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(22, 32, 42, 0.14);
}

@media (min-width: 560px) {
  .page-contact .filing-item {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 20px;
  }
}

.page-contact .filing-item__k {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #5C6B7A;
}

.page-contact .filing-item__v {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--light-ink);
  word-break: break-all;
}

.page-contact .filing-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: #4A5866;
  max-width: 78ch;
}

/* ---------- 地址与工作时间 ---------- */

.page-contact .location-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

@media (min-width: 940px) {
  .page-contact .location-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: clamp(28px, 4vw, 52px);
  }
}

.page-contact .fact-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink-700);
}

.page-contact .fact-list > div {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink-700);
}

@media (min-width: 560px) {
  .page-contact .fact-list > div {
    grid-template-columns: minmax(0, 110px) minmax(0, 1fr);
    gap: 6px 22px;
    align-items: baseline;
  }
}

.page-contact .fact-list dt {
  font-family: var(--font-serif);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--gold-500);
}

.page-contact .fact-list dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .location-visual .media-frame {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--ink-700);
  background-color: rgba(20, 28, 36, 0.6);
}

.page-contact .location-visual__caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 合作咨询 ---------- */

.page-contact .coop-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

@media (min-width: 880px) {
  .page-contact .coop-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(26px, 4vw, 48px);
  }
}

.page-contact .coop-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: none;
  border-top: 3px solid var(--blue-600);
  border-radius: 2px 2px 0 0;
}

.page-contact .coop-steps li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--ink-700);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .coop-steps__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--blue-400);
  letter-spacing: 0.04em;
}

.page-contact .coop-side {
  display: grid;
  gap: 16px;
}

.page-contact .coop-side .archive-card {
  padding: 22px 20px 18px;
  display: grid;
  gap: 10px;
}

.page-contact .coop-side .archive-card__title {
  margin: 0;
  font-size: 19px;
}

.page-contact .coop-side .archive-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-contact .coop-side .archive-card__foot {
  margin: 4px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 继续查看 ---------- */

.page-contact .continue-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 20px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-contact .continue-rail::-webkit-scrollbar {
  height: 6px;
}

.page-contact .continue-rail::-webkit-scrollbar-thumb {
  background-color: var(--ink-700);
  border-radius: var(--radius-pill);
}

.page-contact .rail-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  display: grid;
  gap: 10px;
  padding: 20px 18px 22px;
  text-decoration: none;
  color: var(--text);
  background-color: rgba(20, 28, 36, 0.72);
  border: 1px solid var(--ink-700);
  border-top: 3px solid var(--blue-600);
  border-radius: var(--radius-card);
  transition: border-color 200ms var(--ease-out), transform 200ms var(--ease-out);
}

.page-contact .rail-card:hover,
.page-contact .rail-card:focus-visible {
  border-top-color: var(--gold-300);
  transform: translateY(-2px);
}

.page-contact .rail-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
}

.page-contact .rail-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
}

.page-contact .rail-card__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rail-card,
  .page-contact .channel-card__reach a,
  .page-contact .hero-side__value {
    transition: none;
  }

  .page-contact .rail-card:hover,
  .page-contact .rail-card:focus-visible {
    transform: none;
  }
}
</main>