.page-contact {
  --contact-card-pad: clamp(16px, 2vw, 24px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .breadcrumb {
  margin: clamp(20px, 4vw, 36px) 0 clamp(18px, 3vw, 30px);
}

.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: clamp(28px, 5vw, 44px);
}

.page-contact .contact-hero__text {
  max-width: 44em;
}

.page-contact .contact-hero .h1 {
  margin: 12px 0 18px;
  letter-spacing: -0.01em;
}

.page-contact .vert-note {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.16em;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 10px;
}

/* ---------- 首屏视觉 ---------- */
.page-contact .contact-hero__media {
  margin: 0 0 clamp(38px, 6vw, 68px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--glass-soft);
}

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

/* ---------- 渠道卡 ---------- */
.page-contact .channels__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .channel-card {
  background: var(--glass-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 12px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: var(--glass);
  border-color: var(--line-strong);
}

.page-contact .channel-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: var(--contact-card-pad);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.1rem, 2.6vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: 0.03em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card__value--mail {
  font-size: clamp(0.98rem, 1.9vw, 1.28rem);
  letter-spacing: 0.02em;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-variant-numeric: normal;
  font-size: clamp(1.05rem, 2.1vw, 1.35rem);
  letter-spacing: 0.02em;
}

.page-contact .channel-card__hint {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 受理范围 ---------- */
.page-contact .scope__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .scope__card {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .scope__card--in {
  border-left: 2px solid var(--cyan);
  background: linear-gradient(180deg, var(--glass-soft), transparent 60%), var(--panel);
}

.page-contact .scope__card--out {
  border-left: 2px solid var(--amber);
  background: linear-gradient(180deg, var(--amber-soft), transparent 60%), var(--panel);
}

.page-contact .scope__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .scope__list li {
  position: relative;
  padding-left: 20px;
  color: var(--mist);
  font-size: var(--fs-small);
  line-height: 1.85;
}

.page-contact .scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .scope__card--out .scope__list li::before {
  background: var(--amber);
}

/* ---------- 节奏 ---------- */
.page-contact .pace__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .pace__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pace__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .pace__item p {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-small);
  line-height: 1.85;
  max-width: 60em;
}

.page-contact .pace__tag {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

/* ---------- 备案信息 ---------- */
.page-contact .registry {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--glass-soft);
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .registry__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
}

.page-contact .registry__item {
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .registry__item dt {
  margin-bottom: 8px;
  color: var(--muted);
}

.page-contact .registry__item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.98rem, 1.6vw, 1.15rem);
  letter-spacing: 0.04em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 指引折叠 ---------- */
.page-contact .guides__list {
  display: grid;
  gap: 10px;
}

.page-contact .guides__list .fold {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-contact .guides__list .fold:hover {
  border-color: var(--line-strong);
  background: var(--glass-soft);
}

.page-contact .guides__list .fold__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px clamp(16px, 2vw, 22px);
  background: transparent;
  border: 0;
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.page-contact .guides__list .fold__q {
  font-size: clamp(0.98rem, 1.4vw, 1.1rem);
  line-height: 1.6;
}

.page-contact .guides__list .fold__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .guides__list .fold__panel {
  padding: 0 clamp(16px, 2vw, 22px) 18px;
  border-top: 1px solid transparent;
}

.page-contact .guides__list .fold__panel p {
  margin: 0 0 8px;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--mist);
  max-width: 40em;
}

.page-contact .guides__list .fold__panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .guides__list .fold__panel a:hover {
  opacity: 0.82;
}

/* ---------- 尾部视觉与收束 ---------- */
.page-contact .contact-foot__media {
  margin: clamp(44px, 7vw, 80px) 0 clamp(24px, 3vw, 36px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--glass-soft);
}

.page-contact .contact-foot__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .contact-tail {
  max-width: 42em;
}

.page-contact .contact-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .contact-tail a:hover {
  opacity: 0.82;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pace__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .channels__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--wide {
    grid-column: 1 / -1;
  }

  .page-contact .registry__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }

  .page-contact .scope__grid {
    grid-template-columns: 1.25fr minmax(0, 1fr);
    gap: 18px;
  }
}

@media (min-width: 1080px) {
  .page-contact .channels__list {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

@media (max-width: 719px) {
  .page-contact .vert-note {
    display: none;
  }
}

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