.page-contact {
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: 4px;
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
  padding-block: clamp(14px, 2.6vw, 28px) clamp(42px, 6vw, 84px);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(36px, 6.4vw, 84px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .contact-hero__title span {
  color: var(--maple);
}

.page-contact .contact-hero .lede {
  margin-top: 22px;
  max-width: 48ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

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

.page-contact .contact-hero__figure .figure__frame {
  aspect-ratio: 10 / 7;
  border: 1px solid var(--line);
  background: var(--ice-pale);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 四样材料 ---------- */
.page-contact .brief-list {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .brief-list > li {
  display: flex;
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: 24px auto minmax(0, 1fr);
  grid-template-areas:
    "box num title"
    ".   .   text";
  gap: 6px 12px;
  align-items: center;
  width: 100%;
  padding: 18px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .brief-item:hover {
  border-color: var(--ice);
  border-left-color: var(--maple-hot);
}

.page-contact .brief-item:has(.brief-item__box:checked) {
  border-color: var(--ice);
  box-shadow: inset 0 0 0 1px var(--ice);
}

.page-contact .brief-item__box {
  grid-area: box;
  width: 22px;
  height: 22px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--snow);
  cursor: pointer;
}

.page-contact .brief-item__box:checked {
  background: var(--ice);
  border-color: var(--ice);
}

.page-contact .brief-item__box:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(40deg);
}

.page-contact .brief-item__box:focus-visible {
  outline: 2px solid var(--maple);
  outline-offset: 3px;
}

.page-contact .brief-item__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-ink);
}

.page-contact .brief-item__title {
  grid-area: title;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .brief-item__text {
  grid-area: text;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 联系方式与处理流程 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .channel-col__title {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ice);
  text-transform: uppercase;
}

.page-contact .contact-card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: clamp(18px, 3vw, 28px);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-card__row:first-child {
  padding-top: 0;
}

.page-contact .contact-card__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-contact .contact-card__value {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-card__value a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--maple);
  transition: color 0.2s ease;
}

.page-contact .contact-card__value a:hover {
  color: var(--maple);
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .contact-card__figure {
  margin: clamp(18px, 3vw, 24px) 0 0;
}

.page-contact .contact-card__figure .figure__frame {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
  background: var(--ice-pale);
}

.page-contact .contact-card__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-contact .flow__item {
  position: relative;
  padding: 0 0 26px 38px;
  border-left: 1px solid var(--line-strong);
}

.page-contact .flow__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .flow__num {
  position: absolute;
  left: -11px;
  top: 0;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-contact .flow__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .flow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .flow__meta {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--maple);
}

/* ---------- 反馈类型 ---------- */
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .type-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .type-list > li {
  display: flex;
}

.page-contact .type-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  height: 100%;
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .type-card:hover {
  border-color: var(--ice);
  transform: translateY(-2px);
}

.page-contact .type-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .type-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .type-card__link {
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 13.5px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--ice);
}

.page-contact .type-card__link:hover {
  color: var(--maple);
  border-bottom-color: var(--maple);
}

/* ---------- 帮助中心引导 ---------- */
.page-contact .contact-help {
  background: var(--deep);
  color: var(--snow);
  padding-block: clamp(44px, 6vw, 88px);
}

.page-contact .contact-help__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .contact-help h2 {
  margin: 0 0 18px;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact .contact-help p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 251, 252, 0.78);
}

.page-contact .contact-help__note {
  margin-top: 22px !important;
  font-size: 13.5px !important;
  color: rgba(247, 251, 252, 0.6) !important;
}

.page-contact .contact-help__note a {
  color: var(--ice-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(221, 239, 244, 0.5);
}

.page-contact .contact-help__note a:hover {
  border-bottom-color: var(--gold);
  color: var(--gold);
}

.page-contact .help-route {
  display: block;
  margin-bottom: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line-invert);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-contact .help-route:last-child {
  margin-bottom: 0;
}

.page-contact .help-route:hover {
  border-color: var(--gold);
  background: rgba(247, 251, 252, 0.06);
}

.page-contact .help-route__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .help-route__title {
  display: block;
  margin: 6px 0 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--snow);
}

.page-contact .help-route__text {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 251, 252, 0.7);
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-contact .brief-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .contact-help__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .type-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .brief-item,
  .page-contact .type-card,
  .page-contact .help-route {
    transition: none;
  }

  .page-contact .type-card:hover {
    transform: none;
  }
}