.page-contact {
  --c-line: rgba(217, 232, 228, .18);
  --c-line-lime: rgba(199, 244, 100, .28);
  --c-paper-text: #2C3B38;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: var(--sp-5);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--sp-5);
  align-items: center;
}

.page-contact .contact-hero__title {
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 6.4vw, 3rem);
  line-height: 1.16;
  letter-spacing: .015em;
  color: var(--mist);
  margin: var(--sp-2) 0 var(--sp-3);
  max-width: 20ch;
}

.page-contact .contact-hero__lede {
  max-width: 48ch;
  color: rgba(217, 232, 228, .78);
}

.page-contact .contact-hero__points {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .contact-hero__points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .95rem;
  color: var(--mist);
}

.page-contact .contact-hero__points .numeric {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--lime);
  border: 1px solid var(--c-line-lime);
  border-radius: 999px;
  padding: 3px 9px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--sp-4);
}

.page-contact .contact-hero__art {
  position: relative;
  border-radius: var(--r-cut);
  overflow: hidden;
  border: 1px solid var(--c-line-lime);
  background: linear-gradient(155deg, var(--ink-deep), var(--card));
  box-shadow: var(--shadow-deep);
  aspect-ratio: 10 / 7;
}

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

.page-contact .contact-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(199, 244, 100, .06) 0 2px, transparent 2px 11px);
  pointer-events: none;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: var(--sp-6);
  }

  .page-contact .contact-hero__art {
    aspect-ratio: 7 / 6;
  }
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-4);
  background: var(--card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-cut);
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease;
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--lime), transparent 72%);
}

.page-contact .contact-channel:hover {
  border-color: var(--c-line-lime);
  transform: translateY(-2px);
}

.page-contact .contact-channel__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: rgba(217, 232, 228, .58);
}

.page-contact .contact-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.98rem, 4vw, 1.1rem);
  line-height: 1.45;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .contact-channel__value--text {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-channel__note {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: rgba(217, 232, 228, .72);
}

.page-contact .contact-channel__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: .9rem;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 140, 66, .5);
}

.page-contact .contact-channel__link:hover {
  border-bottom-style: solid;
}

@media (min-width: 780px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 邮件咨询（暖纸区） ---------- */
.page-contact .section--paper {
  background: var(--paper);
  color: var(--text);
}

.page-contact .contact-mail {
  padding-block: var(--sp-6);
}

.page-contact .contact-mail__grid {
  display: grid;
  gap: var(--sp-5);
}

.page-contact .contact-mail__title {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  line-height: 1.24;
  color: var(--text);
  margin: var(--sp-2) 0 var(--sp-3);
  max-width: 22ch;
}

.page-contact .contact-mail__prose > p {
  margin: 0;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--c-paper-text);
  max-width: 56ch;
}

.page-contact .contact-mail__list {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-contact .contact-mail__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-contact .contact-mail__list .numeric {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--lime);
  border-radius: 999px;
  padding: 4px 10px;
}

.page-contact .contact-mail__list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
  color: var(--ink);
}

.page-contact .contact-mail__list p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--c-paper-text);
}

.page-contact .contact-mail__art {
  margin: 0;
  border-radius: var(--r-cut);
  overflow: hidden;
  border: 1px solid rgba(11, 43, 38, .16);
  background: var(--ink-deep);
  box-shadow: 0 22px 46px -32px rgba(7, 29, 26, .65);
}

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

@media (min-width: 900px) {
  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: var(--sp-6);
    align-items: start;
  }
}

/* ---------- 支持范围：标签页 ---------- */
.page-contact .tabs {
  margin-top: var(--sp-5);
}

.page-contact .tab-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
  scrollbar-width: none;
}

.page-contact .tab-list::-webkit-scrollbar {
  display: none;
}

.page-contact .tab {
  flex: 0 0 auto;
  font: inherit;
  font-size: .88rem;
  letter-spacing: .03em;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  background: transparent;
  color: rgba(217, 232, 228, .8);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-contact .tab:hover {
  border-color: var(--c-line-lime);
}

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

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

.page-contact .tab-panel {
  padding-top: var(--sp-4);
}

.page-contact .tab-panel[hidden] {
  display: none;
}

.page-contact .contact-panel__title {
  font-family: var(--font-title);
  font-size: clamp(1.15rem, 4.2vw, 1.5rem);
  line-height: 1.3;
  color: var(--mist);
  margin: 0 0 var(--sp-2);
  max-width: 28ch;
}

.page-contact .tab-panel > p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(217, 232, 228, .74);
  max-width: 62ch;
}

.page-contact .panel-list {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .panel-list li {
  position: relative;
  padding-left: 24px;
  font-size: .93rem;
  line-height: 1.75;
  color: rgba(217, 232, 228, .82);
}

.page-contact .panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--lime);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-site {
  padding: var(--sp-5) var(--sp-4);
  background: linear-gradient(160deg, var(--card), var(--ink-deep));
  border: 1px solid var(--c-line);
  border-radius: var(--r-cut);
}

.page-contact .contact-site__title {
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 4.6vw, 1.8rem);
  line-height: 1.28;
  color: var(--mist);
  margin: var(--sp-2) 0 var(--sp-4);
  max-width: 26ch;
}

.page-contact .contact-site__list {
  margin: 0;
}

.page-contact .contact-site__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  justify-content: space-between;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px dashed var(--c-line);
}

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

.page-contact .contact-site__row dt {
  font-size: .82rem;
  letter-spacing: .14em;
  color: rgba(217, 232, 228, .58);
}

.page-contact .contact-site__row dd {
  margin: 0;
  font-size: .95rem;
  color: var(--mist);
  word-break: break-word;
}

.page-contact .contact-site__row dd.numeric {
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-contact .contact-site__foot {
  margin: var(--sp-4) 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(217, 232, 228, .6);
}

@media (min-width: 760px) {
  .page-contact .contact-site {
    padding: var(--sp-5) var(--sp-5);
  }
}

/* ---------- 相关页面 ---------- */
.page-contact .contact-next {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.page-contact .contact-next__item {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--c-line);
  border-radius: 14px;
  background: rgba(18, 58, 51, .5);
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease;
}

.page-contact .contact-next__item:hover {
  border-color: var(--c-line-lime);
  background: rgba(18, 58, 51, .88);
}

.page-contact .contact-next__item span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-contact .contact-next__item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
  color: var(--mist);
}

.page-contact .contact-next__item em {
  font-style: normal;
  font-size: .88rem;
  line-height: 1.68;
  color: rgba(217, 232, 228, .66);
}

@media (min-width: 760px) {
  .page-contact .contact-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 悬浮联系按钮与侧滑面板 ---------- */
.page-contact .contact-float {
  position: fixed;
  right: 14px;
  bottom: calc(var(--tabbar-h) + 14px);
  z-index: 45;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 16px 32px -16px rgba(199, 244, 100, .65);
}

.page-contact .contact-float:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

@media (min-width: 981px) {
  .page-contact .contact-float {
    right: 24px;
    bottom: 24px;
  }
}

.page-contact .contact-drawer {
  position: fixed;
  top: var(--header-h);
  right: 0;
  z-index: 70;
  width: min(84vw, 330px);
  height: calc(100% - var(--header-h));
  padding: 58px 20px 28px;
  background: var(--ink-deep);
  border-left: 1px solid var(--c-line-lime);
  box-shadow: -26px 0 60px -34px rgba(0, 0, 0, .92);
  overflow-y: auto;
  transform: translateX(104%);
  transition: transform .34s cubic-bezier(.4, 0, .2, 1);
}

.page-contact .contact-drawer:target {
  transform: translateX(0);
}

.page-contact .contact-drawer__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  color: var(--mist);
  font-size: 1.15rem;
  line-height: 1;
  text-decoration: none;
}

.page-contact .contact-drawer__title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--mist);
  margin: var(--sp-2) 0 var(--sp-4);
  max-width: 18ch;
}

.page-contact .contact-drawer__value {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .contact-drawer__addr {
  margin: var(--sp-3) 0 0;
  font-size: .9rem;
  line-height: 1.72;
  color: rgba(217, 232, 228, .72);
}

.page-contact .contact-drawer__more {
  display: inline-block;
  margin-top: var(--sp-4);
  padding-bottom: 2px;
  font-size: .9rem;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 140, 66, .5);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel,
  .page-contact .contact-next__item,
  .page-contact .tab {
    transition: none;
  }

  .page-contact .contact-channel:hover {
    transform: none;
  }

  .page-contact .contact-drawer {
    transition: none;
  }
}