.page-contact {
  background: var(--ink-800);
  color: var(--mist);
  overflow-x: hidden;
}

.page-contact h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.12;
  color: #fff;
  margin: 0.55rem 0 0;
  max-width: 20ch;
}

/* ---------- 面包屑与首屏 ---------- */

.page-contact .breadcrumb {
  font-size: 0.875rem;
  color: rgba(201, 214, 240, 0.66);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  text-decoration: underline;
}

.page-contact .contact-hero {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(2.5rem, 6vw, 5rem);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -20%;
  right: -14%;
  width: 56%;
  height: 130%;
  background: radial-gradient(circle at 58% 42%, rgba(138, 107, 255, 0.24), transparent 64%);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.page-contact .contact-hero__lead h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.005em;
  color: #fff;
  margin: 0.6rem 0 0;
  max-width: 17ch;
}

.page-contact .contact-hero__p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
  margin: 0.9rem 0 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .contact-hero__fig {
  margin: 0;
  position: relative;
  border: 2px solid var(--cyan);
  box-shadow: var(--shadow-hard);
  background: var(--ink-750);
}

.page-contact .contact-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ---------- 联系渠道与辽宁路径 ---------- */

.page-contact .contact-channels {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  background: var(--ink-900);
  position: relative;
}

.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3rem);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  align-items: start;
}

.page-contact .contact-split__left {
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
}

.page-contact .contact-split__title {
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  max-width: 14ch;
}

.page-contact .contact-split__lead {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(201, 214, 240, 0.8);
  max-width: 42ch;
  margin: 0.9rem 0 1.75rem;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel {
  display: grid;
  gap: 0.35rem;
  padding: clamp(1.1rem, 2.4vw, 1.6rem) 0;
  border-bottom: var(--line);
}

.page-contact .channel:first-child {
  border-top: var(--line);
}

.page-contact .channel__label {
  font-family: var(--font-head);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .channel__value {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  line-height: 1.3;
  color: #fff;
  overflow-wrap: anywhere;
}

.page-contact .channel__value--lg {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(1.85rem, 4.6vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  overflow-wrap: normal;
  word-break: keep-all;
}

.page-contact .channel__fit {
  font-size: 0.9375rem;
  line-height: 1.62;
  color: rgba(201, 214, 240, 0.72);
  max-width: 46ch;
}

.page-contact .contact-split__hours {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin: 1.5rem 0 0;
}

.page-contact .path-block__title {
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  max-width: 16ch;
}

.page-contact .path-fig {
  margin: 1.25rem 0 0;
  border: 2px solid var(--violet);
  box-shadow: 0 8px 0 rgba(138, 107, 255, 0.24);
  background: var(--ink-750);
}

.page-contact .path-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .path-steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0 0 0.5rem;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 78%;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-contact .path-step {
  scroll-snap-align: start;
  position: relative;
  border-top: 2px solid var(--cyan);
  padding: 1rem 0 0;
}

.page-contact .path-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.page-contact .path-step__title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: #fff;
  margin: 0.4rem 0 0;
}

.page-contact .path-step p {
  font-size: 0.9375rem;
  line-height: 1.68;
  color: rgba(201, 214, 240, 0.78);
  margin: 0.5rem 0 0;
}

/* ---------- 咨询前准备 ---------- */

.page-contact .contact-prep {
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  clip-path: polygon(0 2.5rem, 100% 0, 100% 100%, 0 100%);
}

.page-contact .contact-prep h2 {
  color: var(--paper-ink);
}

.page-contact .contact-prep .eyebrow {
  color: var(--ink-800);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .prep-grid__lead {
  font-size: 1rem;
  line-height: 1.78;
  color: #3a4356;
  max-width: 38ch;
  margin: 1rem 0 0;
}

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

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(16, 20, 24, 0.18);
}

.page-contact .prep-item:first-child {
  border-top: 1px solid rgba(16, 20, 24, 0.18);
}

.page-contact .prep-item__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: #6b5a2a;
  padding-top: 0.25rem;
}

.page-contact .prep-item__body h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper-ink);
  margin: 0;
}

.page-contact .prep-item__body p {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: #3a4356;
  margin: 0.4rem 0 0;
}

/* ---------- 反馈分类 ---------- */

.page-contact .contact-cats {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  background: var(--ink-800);
}

.page-contact .contact-cats__title {
  max-width: 14ch;
}

.page-contact .contact-cats__lead {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(201, 214, 240, 0.78);
  max-width: 44ch;
  margin: 0.9rem 0 0;
}

.page-contact .cat-list {
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: var(--line);
}

.page-contact .cat {
  border-bottom: var(--line);
}

.page-contact .cat__trigger {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  grid-template-areas:
    "no name mark"
    "no hint mark";
  align-items: center;
  gap: 0.15rem 0.75rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: clamp(1rem, 2.4vw, 1.5rem) 0;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.page-contact .cat__trigger:hover .cat__name {
  color: var(--amber);
}

.page-contact .cat__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-contact .cat__name {
  grid-area: name;
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 700;
  color: #fff;
  transition: color 160ms var(--ease);
}

.page-contact .cat__hint {
  grid-area: hint;
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(201, 214, 240, 0.68);
}

.page-contact .cat .disclosure__mark {
  grid-area: mark;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--cyan);
  align-self: center;
}

.page-contact .cat__panel {
  padding-bottom: 0.5rem;
}

.page-contact .cat__body {
  border-left: 2px solid var(--cyan);
  padding: 0.25rem 0 1.25rem 1.1rem;
  max-width: 62ch;
}

.page-contact .cat__body p {
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(201, 214, 240, 0.82);
  margin: 0 0 0.85rem;
}

.page-contact .cat__body p:last-child {
  margin-bottom: 0;
}

.page-contact .cat__more {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.page-contact .cat__more a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--amber);
  text-decoration: none;
}

.page-contact .cat__more a:hover {
  text-decoration: underline;
}

/* ---------- 备案信息带 ---------- */

.page-contact .contact-legal {
  background: var(--ink-900);
  padding: clamp(1.75rem, 4vw, 2.5rem) 0;
  border-top: 2px solid var(--cyan);
}

.page-contact .contact-legal__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .contact-legal__kicker {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--slate);
  margin: 0 0 0.45rem;
}

.page-contact .contact-legal__icp {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  margin: 0;
}

.page-contact .contact-legal__addr {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--mist);
  margin: 0;
}

.page-contact .contact-legal__note {
  font-size: 0.8125rem;
  line-height: 1.62;
  color: rgba(201, 214, 240, 0.62);
  margin: 0.4rem 0 0;
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .prep-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .contact-legal__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-contact .contact-split {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-contact .contact-split__left {
    position: relative;
    background: var(--ink-750);
    padding: clamp(2rem, 3.4vw, 3rem) clamp(4.5rem, 7vw, 6.5rem) clamp(2rem, 3.4vw, 3rem) clamp(1.75rem, 3vw, 2.75rem);
    clip-path: polygon(0 0, 100% 0, calc(100% - 5.5rem) 100%, 0 100%);
  }

  .page-contact .contact-split__left::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--cyan);
  }

  .page-contact .contact-split__right {
    padding: 2rem 0 2rem clamp(3rem, 5.5vw, 4.5rem);
  }

  .page-contact .path-steps {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: 1fr;
    overflow: visible;
    scroll-snap-type: none;
    padding-bottom: 0;
  }

  .page-contact .path-step:hover {
    border-top-color: var(--amber);
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__lead h1 {
    max-width: 15ch;
  }

  .page-contact .prep-grid {
    gap: clamp(2.5rem, 5vw, 5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cat__name {
    transition: none;
  }
}