.page-contact {
  --contact-teal: #0E3D3A;
  --contact-glow: rgba(54, 242, 208, 0.14);
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: 2.4rem;
}

/* 面包屑 */
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 1.2rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}
.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--ink-600);
}
.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--pale);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 1.6rem 0 2.8rem;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -35% -15% auto -15%;
  height: 70%;
  background: radial-gradient(ellipse at 25% 0%, rgba(54, 242, 208, 0.09), transparent 62%);
  pointer-events: none;
}
.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: start;
}
.page-contact .contact-hero__main {
  min-width: 0;
}

.page-contact h1 {
  margin: 0.55rem 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--paper);
}
.page-contact .contact-hero__lede {
  max-width: 54ch;
  margin: 0 0 1.9rem;
  font-size: 1.02rem;
  line-height: 1.72;
  color: var(--pale);
}

/* 主邮箱面板 */
.page-contact .contact-mail-panel {
  position: relative;
  overflow: hidden;
  padding: 1.4rem 1.25rem 1.5rem;
  background: linear-gradient(155deg, var(--contact-teal) 0%, var(--ink-850) 82%);
  border: 1px solid var(--cyan-line);
  border-radius: var(--r-l);
  box-shadow: var(--shadow-lift);
}
.page-contact .contact-mail-panel::after {
  content: "";
  position: absolute;
  right: -25%;
  bottom: -70%;
  width: 70%;
  height: 170%;
  background: radial-gradient(circle at 50% 50%, var(--contact-glow), transparent 68%);
  pointer-events: none;
}
.page-contact .contact-mail-panel__k {
  display: block;
  position: relative;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 0.7rem;
}
.page-contact .contact-mail-panel__addr {
  position: relative;
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 5.2vw, 1.76rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--cyan-line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .contact-mail-panel__addr:hover,
.page-contact .contact-mail-panel__addr:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--orange);
}
.page-contact .contact-mail-panel__note {
  position: relative;
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--pale);
}

/* 电话与地址 */
.page-contact .contact-quick {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.9rem;
}
.page-contact .contact-quick__cell {
  padding: 1rem 1.05rem;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-contact .contact-quick__cell:hover,
.page-contact .contact-quick__cell:focus-within {
  border-color: var(--cyan-line);
  background: var(--ink-700);
}
.page-contact .contact-quick__k {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  color: var(--mist);
}
.page-contact .contact-quick__v {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.page-contact a.contact-quick__v:hover,
.page-contact a.contact-quick__v:focus-visible {
  color: var(--cyan);
}
.page-contact .contact-quick__v--text {
  font-family: var(--font-head);
  font-size: 0.95rem;
  line-height: 1.6;
  font-weight: 600;
}
.page-contact .contact-quick__more {
  display: inline-block;
  margin-top: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .contact-quick__more:hover,
.page-contact .contact-quick__more:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 首屏配图 */
.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--ink-800);
}
.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}
.page-contact .contact-hero__figure figcaption {
  padding: 0.75rem 1rem 0.9rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
}

/* 反馈分类 */
.page-contact .contact-feedback {
  padding: 2.8rem 0 3rem;
  background: var(--ink-850);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .contact-sec-head {
  max-width: 60ch;
}
.page-contact .contact-sec-head h2 {
  margin: 0.5rem 0 0.8rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .contact-sec-head__lede {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .contact-feedback__grid {
  display: grid;
  gap: 1.6rem;
  margin-top: 1.9rem;
}

.page-contact .contact-flow {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-contact .contact-flow__item {
  position: relative;
  padding: 1.15rem 1.1rem 1.25rem;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--ink-600);
  border-radius: var(--r-m);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), background-color 0.2s var(--ease);
}
.page-contact .contact-flow__item:hover,
.page-contact .contact-flow__item:focus-within {
  border-left-color: var(--orange);
  background: var(--ink-700);
  transform: translateY(-2px);
}
.page-contact .contact-flow__idx {
  display: inline-grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  margin-bottom: 0.65rem;
  border: 1px solid var(--cyan-line);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 700;
}
.page-contact .contact-flow__item h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .contact-flow__body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--pale);
}
.page-contact .contact-flow__list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.42rem;
}
.page-contact .contact-flow__list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: 0.86rem;
  line-height: 1.62;
  color: var(--mist);
}
.page-contact .contact-flow__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.34rem;
  height: 0.34rem;
  background: var(--orange);
  transform: rotate(45deg);
}
.page-contact .contact-flow__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-soft);
}
.page-contact .contact-flow__links a {
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .contact-flow__links a:hover,
.page-contact .contact-flow__links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-contact .contact-feedback__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--ink-800);
}
.page-contact .contact-feedback__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}
.page-contact .contact-feedback__figure figcaption {
  padding: 0.7rem 0.95rem 0.85rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
}

/* 响应节奏 */
.page-contact .contact-rhythm {
  padding: 2.6rem 0;
  background: linear-gradient(180deg, var(--contact-teal) 0%, #0B302E 100%);
  border-top: 1px solid var(--cyan-line);
  border-bottom: 1px solid var(--cyan-line);
}
.page-contact .contact-rhythm__head {
  max-width: 58ch;
}
.page-contact .contact-rhythm__head h2 {
  margin: 0.5rem 0 0.75rem;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 4.4vw, 2.1rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .contact-rhythm__head p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--pale);
}
.page-contact .contact-rhythm__stats {
  display: grid;
  gap: 0.75rem;
  margin: 1.7rem 0 0;
}
.page-contact .contact-rhythm__stat {
  padding: 1rem 1.05rem 1.1rem;
  background: rgba(8, 23, 38, 0.55);
  border: 1px solid var(--cyan-line);
  border-radius: var(--r-s);
}
.page-contact .contact-rhythm__stat dt {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-contact .contact-rhythm__stat dd {
  margin: 0.5rem 0 0.3rem;
  color: var(--orange);
  font-size: clamp(1.3rem, 5vw, 1.75rem);
  font-weight: 900;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.page-contact .contact-rhythm__stat dd.contact-rhythm__tag {
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--yellow);
}
.page-contact .contact-rhythm__stat span {
  display: block;
  font-size: 0.78rem;
  color: var(--pale);
}
.page-contact .contact-rhythm__foot {
  margin: 1.6rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .contact-rhythm__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .contact-rhythm__foot a:hover,
.page-contact .contact-rhythm__foot a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* 地址与备案信息板 */
.page-contact .contact-board {
  margin-top: 2.6rem;
  background: var(--ink-850);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-board__inner {
  display: grid;
  gap: 1.1rem;
  padding: 1.5rem 0;
}
.page-contact .contact-board__cell {
  position: relative;
  padding-left: 0.9rem;
  min-width: 0;
}
.page-contact .contact-board__cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 2px;
  background: var(--ink-600);
}
.page-contact .contact-board__cell--addr::before {
  background: var(--orange);
}
.page-contact .contact-board__k {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.page-contact .contact-board__v {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--paper);
  font-weight: 600;
  word-break: break-word;
}
.page-contact .contact-board__v--mono {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--pale);
  font-weight: 700;
}
.page-contact .contact-board__cell--back {
  padding-left: 0;
}
.page-contact .contact-board__cell--back::before {
  display: none;
}
.page-contact .contact-board__link {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .contact-board__link:hover,
.page-contact .contact-board__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-contact .contact-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-rhythm__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-board__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr) auto;
    align-items: center;
    gap: 1.4rem;
  }
  .page-contact .contact-board__cell--back {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 2rem 0 3.4rem;
  }
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 2.8rem;
    align-items: center;
  }
  .page-contact .contact-feedback {
    padding: 3.6rem 0 3.8rem;
  }
  .page-contact .contact-feedback__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: 2.4rem;
    align-items: start;
  }
  .page-contact .contact-feedback__figure {
    position: sticky;
    top: 6.5rem;
  }
  .page-contact .contact-rhythm {
    padding: 3.4rem 0;
  }
  .page-contact .contact-flow {
    padding-left: 2.4rem;
  }
  .page-contact .contact-flow::before {
    content: "";
    position: absolute;
    left: 0.84rem;
    top: 1.2rem;
    bottom: 1.2rem;
    width: 1px;
    background: linear-gradient(180deg, var(--cyan-line), var(--line-soft) 55%, transparent);
  }
  .page-contact .contact-flow__idx {
    position: absolute;
    left: -2.4rem;
    top: 1.2rem;
    margin-bottom: 0;
    background: var(--ink-900);
  }
}