.page-contact {
  --contact-cut: 16px;
  --contact-edge: rgba(31, 90, 67, 0.6);
  --contact-soft: rgba(19, 58, 43, 0.72);
  display: block;
  background: var(--g900);
  color: var(--white);
}

.page-contact .container {
  width: 100%;
  max-width: var(--frame-max);
  padding-inline: var(--gutter);
  margin-inline: auto;
  box-sizing: border-box;
}

/* ---------- 01 分屏联络 ---------- */

.page-contact .contact-split {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.75rem, 5vw, 3rem) 0 clamp(2.25rem, 6vw, 4rem);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(31, 90, 67, 0.62) 0%, rgba(31, 90, 67, 0) 62%),
    linear-gradient(180deg, var(--g800) 0%, var(--g900) 100%);
  border-bottom: var(--line);
}

.page-contact .contact-split::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(31, 90, 67, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 90, 67, 0.2) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(125deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.08) 72%);
  mask-image: linear-gradient(125deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.08) 72%);
  pointer-events: none;
}

.page-contact .contact-split-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .contact-split-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(2rem, 4.5vw, 4rem);
  }
}

.page-contact .breadcrumb {
  margin: 0 0 clamp(1rem, 3vw, 1.5rem);
}

.page-contact .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--g700);
}

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

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--lime);
}

.page-contact .breadcrumb li[aria-current="page"] {
  color: var(--lime);
}

.page-contact .section-label {
  margin: 0;
}

.page-contact h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 9vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-lede {
  margin: clamp(1rem, 3vw, 1.35rem) 0 0;
  max-width: 46ch;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.3vw, 1.12rem);
  font-weight: 600;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .contact-lines {
  margin: clamp(1.75rem, 4.5vw, 2.5rem) 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-contact .contact-line {
  display: grid;
  gap: 0.4rem;
  padding: clamp(0.9rem, 2.6vw, 1.2rem) 0;
  border-bottom: var(--line);
}

@media (min-width: 560px) {
  .page-contact .contact-line {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.1rem;
  }
}

.page-contact .contact-line dt {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-line dd {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.08rem, 5vw, 1.9rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.35;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-line--primary .contact-value {
  color: var(--lime);
}

.page-contact .contact-value--plain {
  font-size: clamp(1rem, 3.6vw, 1.35rem);
  color: var(--text-dim);
}

.page-contact .contact-sub {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-hint {
  margin: clamp(1rem, 3vw, 1.4rem) 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-split-visual {
  display: grid;
  gap: 0.9rem;
  min-width: 0;
}

.page-contact .contact-split-visual .media-frame {
  margin: 0;
}

.page-contact .contact-visual-note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-visual-note span {
  position: relative;
  padding-left: 0.85rem;
}

.page-contact .contact-visual-note span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--lime);
  transform: rotate(45deg);
}

/* ---------- 通用板块 ---------- */

.page-contact .section {
  padding: clamp(2.5rem, 7vw, 4.75rem) 0;
}

.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .section-title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 4.6vw, 2.7rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .section-lede {
  margin: 0.9rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 02 事由分流 ---------- */

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

.page-contact .contact-causes {
  border-top: var(--line);
}

.page-contact .cause {
  border-bottom: var(--line);
  background: transparent;
}

.page-contact .cause[open] {
  background: linear-gradient(90deg, var(--contact-soft), rgba(11, 42, 32, 0) 88%);
}

.page-contact .cause-summary {
  display: flex;
  align-items: center;
  gap: clamp(0.7rem, 2.2vw, 1.35rem);
  padding: clamp(1rem, 3vw, 1.45rem) clamp(0.25rem, 1.5vw, 0.9rem);
  cursor: pointer;
  list-style: none;
  transition: color 0.18s ease;
}

.page-contact .cause-summary::-webkit-details-marker {
  display: none;
}

.page-contact .cause-summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .cause-index {
  flex: 0 0 auto;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--g700);
}

.page-contact .cause[open] .cause-index {
  color: var(--lime);
}

.page-contact .cause-name {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 3.1vw, 1.4rem);
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .cause-tag {
  flex: 0 0 auto;
}

.page-contact .cause-toggle {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .cause[open] .cause-toggle {
  transform: rotate(225deg);
  margin-top: 2px;
  border-color: var(--lime);
}

.page-contact .cause-body {
  padding: 0 clamp(0.25rem, 1.5vw, 0.9rem) clamp(1.25rem, 3.5vw, 1.8rem);
  max-width: 76ch;
}

.page-contact .cause-body p {
  margin: 0 0 0.85rem;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .cause-points {
  margin: 0 0 0.9rem;
  padding-left: 1.15rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .cause-points li {
  margin-bottom: 0.3rem;
}

.page-contact .cause-points li::marker {
  color: var(--lime);
}

.page-contact .cause-body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 255, 62, 0.4);
}

.page-contact .cause-body a:hover,
.page-contact .cause-body a:focus-visible {
  border-bottom-color: var(--lime);
}

.page-contact .cause-foot {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  color: var(--mist);
}

.page-contact .cause-foot strong {
  font-weight: 500;
  color: var(--lime);
}

/* ---------- 03 纠错步骤路径 ---------- */

.page-contact .contact-fix {
  background: linear-gradient(180deg, var(--g800) 0%, var(--g900) 100%);
  border-bottom: var(--line);
}

.page-contact .fix-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

@media (min-width: 880px) {
  .page-contact .fix-path {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(1rem, 2.6vw, 2.1rem);
  }
}

.page-contact .fix-step {
  position: relative;
  min-width: 0;
  padding: 1.15rem 1.1rem 1.35rem;
  background: rgba(11, 42, 32, 0.86);
  border: var(--line);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .fix-step::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: var(--contact-cut);
  height: var(--contact-cut);
  background: linear-gradient(225deg, var(--g700) 0%, rgba(31, 90, 67, 0) 72%);
  pointer-events: none;
}

@media (min-width: 880px) {
  .page-contact .fix-step + .fix-step::before {
    content: "";
    position: absolute;
    top: 2.1rem;
    left: calc(-1 * clamp(1rem, 2.6vw, 2.1rem));
    width: clamp(1rem, 2.6vw, 2.1rem);
    height: 1px;
    background: var(--g700);
  }
}

.page-contact .fix-step-num {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .fix-step-title {
  margin: 0.6rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .fix-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .fix-fields {
  margin-top: 0.85rem !important;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.page-contact .fix-field {
  display: inline-block;
  padding: 0.14rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--lime);
  border: 1px solid rgba(216, 255, 62, 0.34);
  clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
}

/* ---------- 04 回复时段 ---------- */

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

.page-contact .contact-hours-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: start;
}

@media (min-width: 940px) {
  .page-contact .contact-hours-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

.page-contact .contact-hours-figure {
  min-width: 0;
}

.page-contact .contact-hours-figure .media-frame {
  margin: 0;
}

.page-contact .contact-hours-body {
  min-width: 0;
}

.page-contact .hours-band {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  border: var(--line);
  background: var(--g800);
}

.page-contact .hours-track {
  position: relative;
  height: 46px;
  overflow: hidden;
  background: var(--g800);
  border-bottom: var(--line);
}

.page-contact .hours-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 8px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--lime) 0%, rgba(216, 255, 62, 0.35) 100%);
}

.page-contact .hours-track::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(11, 42, 32, 0.78) 0 1px, transparent 1px);
  background-size: 10% 100%;
  background-repeat: repeat-x;
  pointer-events: none;
}

.page-contact .hours-legend {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.85rem 0.85rem;
}

.page-contact .hours-legend > .num {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .hours-legend-mid {
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .hours-order {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-contact .hours-order li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: var(--line);
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-contact .hours-order-num {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--lime);
  padding-top: 0.22rem;
}

.page-contact .hours-order strong {
  font-weight: 600;
  color: var(--white);
}

/* ---------- 05 帮助中心 ---------- */

.page-contact .contact-help {
  background: var(--g800);
  border-bottom: var(--line);
}

.page-contact .contact-help-head {
  max-width: 58ch;
}

.page-contact .contact-help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line);
}

.page-contact .contact-help-list li {
  border-bottom: var(--line);
}

.page-contact .contact-help-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 0;
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--white);
  text-decoration: none;
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-contact .contact-help-list a:hover,
.page-contact .contact-help-list a:focus-visible {
  color: var(--lime);
  transform: translateX(2px);
}

.page-contact .ch-index {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .ch-arrow {
  font-family: var(--font-mono);
  color: var(--g700);
  transition: color 0.18s ease;
}

.page-contact .contact-help-list a:hover .ch-arrow,
.page-contact .contact-help-list a:focus-visible .ch-arrow {
  color: var(--lime);
}

.page-contact .contact-help-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
}

.page-contact .contact-help-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .btn {
  text-decoration: none;
  display: inline-block;
}

/* ---------- 06 备案与条款 ---------- */

.page-contact .contact-legal {
  padding-bottom: clamp(2rem, 6vw, 3.25rem);
}

.page-contact .contact-legal-inner {
  border-top: var(--line);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem clamp(1rem, 3vw, 2rem);
}

.page-contact .contact-legal-title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-icp {
  margin: 0;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .contact-legal-note {
  flex: 1 1 22rem;
  min-width: 0;
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem clamp(0.9rem, 2.4vw, 1.6rem);
  margin-left: auto;
}

.page-contact .contact-legal-links a {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

@media (min-width: 700px) {
  .page-contact .contact-split-visual {
    gap: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cause-toggle,
  .page-contact .contact-help-list a,
  .page-contact .ch-arrow,
  .page-contact .contact-legal-links a {
    transition: none;
  }
  .page-contact .contact-help-list a:hover,
  .page-contact .contact-help-list a:focus-visible {
    transform: none;
  }
}