.page-contact {
  --pc-edge: 1px solid var(--line);
  --pc-edge-soft: 1px solid rgba(27, 74, 62, 0.5);
  --pc-paper-edge: 1px solid rgba(12, 31, 25, 0.16);
  --pc-ink-soft: #33473F;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 36px);
  padding-bottom: var(--sp-5);
  overflow: hidden;
  background:
    radial-gradient(120% 78% at 88% 0%, rgba(0, 229, 192, 0.12), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

.page-contact .contact-hero h1 {
  margin: var(--sp-2) 0 var(--sp-3);
  font-family: var(--font-display);
  font-size: clamp(36px, 7.6vw, 66px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-contact .contact-hero h1::after {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  margin-top: 20px;
  background: var(--cyan);
  transform: skewY(-6deg);
}

.page-contact .contact-hero__intro {
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cool);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: var(--pc-edge);
}

.page-contact .contact-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mute);
}

.page-contact .contact-hero__fact .mono {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .contact-hero__fact .mono em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.06em;
  margin-left: 2px;
  color: var(--cyan-soft);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: var(--pc-edge);
  background: var(--ink-700);
}

.page-contact .contact-hero__media .media-frame__stamp {
  color: var(--amber);
}

/* ---------- 通道 + 侧栏 ---------- */
.page-contact .contact-routes__grid {
  display: grid;
  gap: var(--sp-5);
}

.page-contact .channel {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: var(--sp-2);
  padding: 26px 20px 24px;
  margin-top: var(--sp-4);
  transition: transform 180ms ease;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--ink-700);
  border: var(--pc-edge);
  transform: skewY(-6deg);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateX(4px);
}

.page-contact .channel:hover::before,
.page-contact .channel:focus-within::before {
  background: var(--ink-800);
  border-color: var(--cyan);
}

.page-contact .channel__no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .channel__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .channel__fit {
  margin: 0 0 var(--sp-2);
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .channel__list {
  list-style: none;
  display: grid;
  gap: 7px;
  margin: 0 0 var(--sp-2);
  padding: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cool);
}

.page-contact .channel__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .channel__turn {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .channel__turn a,
.page-contact .contact-meta__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 192, 0.4);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .channel__turn a:hover,
.page-contact .channel__turn a:focus-visible,
.page-contact .contact-meta__links a:hover,
.page-contact .contact-meta__links a:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* 联系信息卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  border: var(--pc-edge);
  background: var(--ink-800);
  padding: 26px 20px;
}

.page-contact .contact-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  pointer-events: none;
}

.page-contact .contact-card__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-card__label {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .contact-card__item {
  padding: 14px 0;
  border-top: 1px solid rgba(0, 229, 192, 0.2);
}

.page-contact .contact-card__item dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin-bottom: 6px;
}

.page-contact .contact-card__item dd {
  margin: 0;
}

.page-contact .contact-card__val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-card__val--text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--cool);
}

.page-contact .contact-card__note {
  margin: var(--sp-2) 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mute);
}

/* 备案底板 */
.page-contact .contact-meta {
  margin-top: var(--sp-3);
  padding: 18px 20px;
  background: var(--cool);
  color: var(--ink-900);
}

.page-contact .contact-meta__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px var(--sp-2);
  margin: 0;
  padding: 6px 0;
  font-size: 13px;
  line-height: 1.6;
}

.page-contact .contact-meta__row .mono {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-800);
  word-break: break-all;
}

.page-contact .contact-meta__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin: var(--sp-2) 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(7, 19, 15, 0.22);
  font-size: 13px;
}

.page-contact .contact-meta__links a {
  color: var(--ink-800);
  border-bottom-color: rgba(7, 19, 15, 0.35);
}

.page-contact .contact-meta__links a:hover,
.page-contact .contact-meta__links a:focus-visible {
  color: var(--ink-900);
  border-color: var(--ink-900);
}

/* ---------- 邮件要素（暖纸区） ---------- */
.page-contact .contact-brief {
  background: var(--paper);
  color: var(--ink-900);
}

.page-contact .contact-brief__grid {
  display: grid;
  gap: var(--sp-4);
}

.page-contact .contact-brief .eyebrow {
  color: var(--ink-700);
}

.page-contact .contact-brief .section-title {
  color: var(--ink-900);
}

.page-contact .contact-brief__lead {
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

.page-contact .contact-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  counter-reset: brief;
}

.page-contact .contact-brief__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--sp-2);
  padding: 18px 0;
  border-top: var(--pc-paper-edge);
}

.page-contact .contact-brief__list li:last-child {
  border-bottom: var(--pc-paper-edge);
}

.page-contact .contact-brief__list .mono {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--alert);
  padding-top: 3px;
}

.page-contact .contact-brief__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .contact-brief__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

/* ---------- 工作时间 ---------- */
.page-contact .contact-hours__inner {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-3);
}

.page-contact .contact-hours__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border: var(--pc-edge);
  background:
    linear-gradient(150deg, rgba(255, 162, 58, 0.14), rgba(7, 19, 15, 0) 62%),
    var(--ink-800);
  transform: skewY(-6deg);
}

.page-contact .contact-hours__big {
  margin: 0;
  font-size: clamp(30px, 8vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--amber);
}

.page-contact .contact-hours__big span {
  padding: 0 6px;
  color: var(--mute);
}

.page-contact .contact-hours__cap {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cool);
}

.page-contact .contact-hours__notes h2 {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hours__notes p {
  margin: 0 0 var(--sp-2);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cool);
}

.page-contact .contact-hours__list {
  list-style: none;
  margin: 0 0 var(--sp-3);
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--cool);
}

.page-contact .contact-hours__list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: var(--sp-2);
  padding-top: 10px;
  border-top: var(--pc-edge-soft);
}

.page-contact .contact-hours__list .mono {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-contact .contact-hours__hint {
  margin: 0;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  background: rgba(0, 229, 192, 0.09);
  border-left: 2px solid var(--cyan);
}

/* ---------- 底部行动带 ---------- */
.page-contact .contact-strip {
  padding: var(--sp-6) 0;
  background: linear-gradient(90deg, rgba(0, 229, 192, 0.12), rgba(7, 19, 15, 0) 70%), var(--ink-800);
  border-top: var(--pc-edge);
}

.page-contact .contact-strip__inner {
  display: grid;
  gap: var(--sp-3);
  align-items: center;
}

.page-contact .contact-strip__text h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-strip__text p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .contact-strip .btn {
  justify-self: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 680px) {
  .page-contact .contact-brief__list li {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .page-contact .channel {
    grid-template-columns: 60px minmax(0, 1fr);
    padding: 32px 28px 28px;
  }

  .page-contact .channel__no {
    padding-top: 6px;
  }

  .page-contact .contact-card,
  .page-contact .contact-meta {
    padding: 28px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-6);
    align-items: end;
  }

  .page-contact .contact-hero__media {
    align-self: stretch;
  }

  .page-contact .contact-routes__grid {
    grid-template-columns: minmax(0, 8fr) minmax(300px, 4fr);
    gap: var(--sp-6);
    align-items: start;
  }

  .page-contact .contact-routes__aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--sp-6);
    align-items: start;
  }

  .page-contact .contact-hours__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--sp-6);
    align-items: start;
    padding: var(--sp-6);
  }

  .page-contact .contact-strip__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--sp-5);
  }

  .page-contact .contact-strip .btn {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel::before,
  .page-contact .channel__turn a,
  .page-contact .contact-meta__links a {
    transition: none;
  }

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