.page-contact {
  --contact-panel-bg: rgba(10, 22, 17, 0.66);
  --contact-hairline: rgba(30, 58, 42, 0.9);
  --contact-gap: clamp(16px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-top {
  position: relative;
  padding: clamp(18px, 3.4vw, 32px) 0 clamp(34px, 6vw, 76px);
  background-color: var(--deep-night);
  overflow: hidden;
}

.page-contact .contact-top .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .contact-top__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-kicker {
  margin: 0 0 14px;
  color: var(--neon-lime);
}

.page-contact .contact-top h1 {
  margin: 0 0 18px;
  font-size: var(--fs-h1);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cool-white);
}

.page-contact .contact-lede {
  margin: 0 0 26px;
  max-width: 38ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--grey-green);
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-quick li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 20px;
  border: 1px solid var(--contact-hairline);
  border-radius: var(--radius-pill);
  background-color: rgba(18, 36, 26, 0.72);
  min-width: 0;
  max-width: 100%;
}

.page-contact .contact-quick .mono {
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--cool-white);
  overflow-wrap: anywhere;
}

.page-contact .contact-quick .muted {
  font-size: var(--fs-label);
  color: var(--grey-green);
}

.page-contact .contact-top__media {
  margin: 0;
  max-width: 100%;
}

.page-contact .media-frame {
  margin: 0;
  max-width: 100%;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-contact .media-frame__caption {
  margin-top: 10px;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: var(--grey-green);
}

/* ---------- 渠道栏 ---------- */
.page-contact .contact-panels {
  padding-bottom: clamp(28px, 5vw, 64px);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--contact-hairline);
  background-color: var(--contact-panel-bg);
  min-width: 0;
  transition: border-color 240ms ease, transform 240ms ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--neon-dim);
  transform: translateY(-2px);
}

.page-contact .channel--mail {
  background-image: linear-gradient(180deg, rgba(198, 242, 76, 0.08), rgba(10, 22, 17, 0) 62%);
  border-color: rgba(198, 242, 76, 0.3);
}

.page-contact .channel--mail::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background-color: var(--neon-lime);
}

.page-contact .channel-kind {
  align-self: flex-start;
  margin: 0;
  padding: 4px 11px;
  border: 1px solid rgba(143, 191, 46, 0.42);
  border-radius: var(--radius-pill);
  color: var(--neon-dim);
}

.page-contact .channel-name {
  margin: 0;
  font-size: var(--fs-h3);
  letter-spacing: -0.01em;
  color: var(--cool-white);
}

.page-contact .channel-value {
  margin: 0;
  padding-bottom: 10px;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--cool-white);
  border-bottom: 1px dashed rgba(147, 169, 156, 0.34);
  overflow-wrap: anywhere;
}

.page-contact .channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-tags li {
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background-color: rgba(147, 169, 156, 0.13);
  color: var(--cool-white);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
}

.page-contact .channel-note {
  margin: auto 0 0;
  font-size: var(--fs-note);
  line-height: 1.72;
  color: var(--grey-green);
}

/* ---------- 事务对照 ---------- */
.page-contact .scope-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--contact-hairline);
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--contact-hairline);
}

.page-contact .scope-task {
  margin: 0;
  font-size: var(--fs-h3);
  letter-spacing: -0.01em;
  color: var(--cool-white);
}

.page-contact .scope-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey-green);
}

.page-contact .scope-route {
  margin: 0;
  font-size: var(--fs-note);
  color: var(--neon-dim);
}

.page-contact .scope-route-label {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 8px;
  border: 1px solid rgba(143, 191, 46, 0.4);
  border-radius: var(--radius-pill);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grey-green);
}

/* ---------- 处理节奏 ---------- */
.page-contact .response-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .response-card {
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  background-color: var(--contact-panel-bg);
  border: 1px solid var(--contact-hairline);
  min-width: 0;
}

.page-contact .response-card__step {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon-lime);
}

.page-contact .response-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--cool-white);
}

.page-contact .response-card p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey-green);
}

/* ---------- 自查清单 ---------- */
.page-contact .checklist-media {
  margin: 0 0 28px;
}

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

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--contact-hairline);
}

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

.page-contact .checklist__no {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--neon-lime);
}

.page-contact .checklist__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--cool-white);
}

.page-contact .checklist__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey-green);
}

/* ---------- 备案与条款 ---------- */
.page-contact .compliance-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .compliance-main {
  min-width: 0;
}

.page-contact .compliance-text {
  margin: 14px 0 0;
  max-width: 38ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey-green);
}

.page-contact .compliance-links {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .compliance-links a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 18px;
  border: 1px solid var(--contact-hairline);
  border-radius: var(--radius-pill);
  font-size: 15px;
  color: var(--cool-white);
  text-decoration: none;
  transition: border-color 200ms ease, color 200ms ease;
}

.page-contact .compliance-links a::before {
  content: "→";
  font-size: 14px;
  color: var(--neon-dim);
}

.page-contact .compliance-links a:hover,
.page-contact .compliance-links a:focus-visible {
  border-color: var(--neon-dim);
  color: var(--neon-lime);
}

.page-contact .compliance-aside {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background-color: var(--contact-panel-bg);
  border: 1px solid var(--contact-hairline);
}

.page-contact .compliance-icp {
  margin: 10px 0 0;
  font-size: 17px;
  letter-spacing: 0.05em;
  color: var(--cool-white);
  overflow-wrap: anywhere;
}

.page-contact .compliance-aside-note {
  margin: 10px 0 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--grey-green);
}

/* ---------- 页尾索引 ---------- */
.page-contact .contact-tail {
  padding: 0 0 clamp(36px, 6vw, 72px);
}

.page-contact .contact-tail__title {
  margin: 0 0 14px;
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-green);
}

.page-contact .contact-tail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--contact-hairline);
}

.page-contact .contact-tail__list li {
  border-bottom: 1px solid var(--contact-hairline);
}

.page-contact .contact-tail__list a {
  display: block;
  padding: 16px 2px;
  font-size: 15px;
  color: var(--cool-white);
  text-decoration: none;
  transition: color 180ms ease, padding-left 180ms ease;
}

.page-contact .contact-tail__list a:hover,
.page-contact .contact-tail__list a:focus-visible {
  color: var(--neon-lime);
  padding-left: 10px;
}

/* ---------- 桌面与平板 ---------- */
@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.42fr 1fr 0.86fr;
  }

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

@media (min-width: 860px) {
  .page-contact .contact-top__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .scope-item {
    grid-template-columns: minmax(130px, 3fr) minmax(0, 8fr) minmax(150px, 4fr);
    align-items: baseline;
    gap: 4px 24px;
  }

  .page-contact .compliance-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-panels {
    padding-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .compliance-links a,
  .page-contact .contact-tail__list a {
    transition: none;
  }

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