.page-contact {
  padding: 26px 0 0;
}

.page-contact .crumbs {
  margin-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-open {
  padding-top: 8px;
}

.page-contact .contact-open__grid {
  display: grid;
  gap: 26px;
  padding: 14px 0 38px;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 14px 0 0;
}

.page-contact .contact-open .lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .contact-open__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--edge);
  display: grid;
  gap: 12px;
}

.page-contact .contact-open__meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-contact .contact-open__meta .num {
  font-size: 28px;
  line-height: 1;
  color: var(--red);
  min-width: 2ch;
}

.page-contact .contact-open__meta em {
  font-style: normal;
}

.page-contact .contact-open__figure {
  margin: 0;
}

/* ---------- 章节通用 ---------- */
.page-contact h2,
.page-contact h3 {
  margin: 0;
}

.page-contact .sec-head {
  padding-top: 8px;
  border-top: 3px solid var(--ink);
}

.page-contact .contact-channels,
.page-contact .contact-brief,
.page-contact .contact-types,
.page-contact .contact-tempo,
.page-contact .contact-addr,
.page-contact .contact-terms {
  padding-top: 46px;
}

.page-contact .contact-terms {
  padding-bottom: 58px;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .contact-channels__grid {
  margin-top: 24px;
  align-items: stretch;
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  border-top: 3px solid var(--ink);
}

.page-contact .contact-channel .tag {
  align-self: flex-start;
}

.page-contact .contact-channel__name {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 14px;
  font-weight: 600;
  color: var(--ash);
}

.page-contact .contact-channel__val {
  font-size: clamp(1.05rem, 3.6vw, 1.5rem);
  line-height: 1.42;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__desc {
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-contact .contact-channel__actions {
  margin-top: auto;
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-contact .contact-copy {
  cursor: pointer;
  user-select: none;
}

.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--paper-lift);
}

.page-contact .contact-copy:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.page-contact .contact-copy__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ash);
}

/* ---------- 不受理范围 ---------- */
.page-contact .contact-scope {
  margin-top: 26px;
  padding: 22px 22px 24px;
  background: var(--paper-lift);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--red);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-scope__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

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

.page-contact .contact-scope__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .contact-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--red);
}

.page-contact .contact-scope__list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 反馈信息清单 ---------- */
.page-contact .contact-brief__grid {
  margin-top: 24px;
}

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

.page-contact .contact-brief__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--edge);
}

.page-contact .contact-brief__no {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--red);
  padding-top: 3px;
}

.page-contact .contact-brief__item h3 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 5px;
}

.page-contact .contact-brief__item p {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .contact-brief__aside {
  align-self: start;
  padding: 22px 20px 24px;
  background: var(--paper-lift);
  border: 1px solid var(--edge);
  border-top: 3px solid var(--teal);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-brief__aside h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-contact .contact-brief__aside p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .contact-brief__aside p + p {
  margin-top: 12px;
}

.page-contact .contact-brief__aside a,
.page-contact .contact-terms__tail a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 常见反馈类型 ---------- */
.page-contact .contact-types__grid {
  margin-top: 24px;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .contact-type {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 24px;
  background: var(--paper-lift);
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-type::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--ash);
}

.page-contact .contact-type:nth-child(1)::after {
  background: linear-gradient(90deg, var(--teal), var(--indigo));
}

.page-contact .contact-type:nth-child(2)::after {
  background: var(--indigo);
}

.page-contact .contact-type:nth-child(3)::after {
  background: var(--orange);
}

.page-contact .contact-type:nth-child(4)::after {
  background: var(--red);
}

.page-contact .contact-type__no {
  font-size: 28px;
  line-height: 1;
  color: var(--ash);
}

.page-contact .contact-type:nth-child(1) .contact-type__no {
  color: var(--teal);
}

.page-contact .contact-type:nth-child(2) .contact-type__no {
  color: var(--indigo);
}

.page-contact .contact-type:nth-child(3) .contact-type__no {
  color: var(--orange);
}

.page-contact .contact-type:nth-child(4) .contact-type__no {
  color: var(--red);
}

.page-contact .contact-type h3 {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-type p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .contact-type__ask {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--edge);
  font-size: 13px;
  color: var(--ash);
}

/* ---------- 处理节奏 ---------- */
.page-contact .contact-tempo__grid {
  margin-top: 24px;
  align-items: stretch;
}

.page-contact .contact-tempo__panel {
  padding: 24px 22px;
}

.page-contact .contact-tempo__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .contact-tempo__steps li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--edge-dark);
}

.page-contact .contact-tempo__steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-tempo__h {
  font-size: 14px;
  line-height: 1.6;
  color: var(--orange);
}

.page-contact .contact-tempo__steps p {
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(244, 239, 230, 0.82);
}

.page-contact .contact-tempo__figure {
  margin: 0;
}

.page-contact .contact-scale {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--edge);
}

.page-contact .contact-scale__item {
  position: relative;
  padding: 18px 0 16px;
  border-bottom: 1px solid var(--edge);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .contact-scale__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 1px;
  height: 12px;
  background: var(--red);
}

.page-contact .contact-scale__item .num {
  display: block;
  font-size: 20px;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 4px;
}

/* ---------- 通信地址与备案 ---------- */
.page-contact .contact-addr__band {
  display: grid;
  gap: 0;
  background: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-addr__main {
  padding: 26px 22px;
}

.page-contact .contact-addr__icp {
  padding: 26px 22px;
  background: var(--night);
  border-top: 1px solid var(--edge-dark);
}

.page-contact .contact-addr .eyebrow {
  color: var(--orange);
}

.page-contact .contact-addr__val {
  margin: 10px 0 0;
  font-size: clamp(1rem, 3.8vw, 1.4rem);
  line-height: 1.6;
  color: var(--paper-lift);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-addr__icpval {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper-lift);
  word-break: break-word;
}

.page-contact .contact-addr__note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.62);
}

/* ---------- 条款指引 ---------- */
.page-contact .contact-terms__grid {
  margin-top: 24px;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-contact .contact-term {
  display: block;
  padding: 20px 18px;
  background: var(--paper-lift);
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-panel);
  color: inherit;
  text-decoration: none;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.page-contact .contact-term:hover,
.page-contact .contact-term:focus-visible {
  border-color: var(--red);
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(179, 18, 43, 0.12);
}

.page-contact .contact-term__no {
  display: block;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--red);
  margin-bottom: 10px;
}

.page-contact .contact-term h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.page-contact .contact-term p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .contact-terms__tail {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px dashed var(--edge);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 窄屏：面板整体占满 ---------- */
@media (max-width: 899px) {
  .page-contact .contact-channels__grid > *,
  .page-contact .contact-brief__grid > *,
  .page-contact .contact-tempo__grid > * {
    grid-column: 1 / -1;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-types__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-terms__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-open__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .contact-open__meta li {
    display: block;
  }

  .page-contact .contact-open__meta .num {
    display: block;
    margin-bottom: 6px;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-scale__item {
    padding: 18px 16px 16px 0;
    border-bottom: 0;
  }

  .page-contact .contact-scale__item + .contact-scale__item {
    padding-left: 16px;
    border-left: 1px solid var(--edge);
  }

  .page-contact .contact-scale__item + .contact-scale__item::before {
    left: 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-contact .contact-addr__band {
    grid-template-columns: 2fr 1fr;
  }

  .page-contact .contact-addr__icp {
    border-top: 0;
    border-left: 1px solid var(--edge-dark);
  }
}

@media (min-width: 900px) {
  .page-contact {
    padding-top: 34px;
  }

  .page-contact .contact-open__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
    padding-bottom: 46px;
  }

  .page-contact .contact-brief__grid {
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-types__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-terms__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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