.page-contact {
  --pc-line: rgba(217, 255, 60, 0.35);
  --pc-line-soft: rgba(56, 198, 255, 0.35);
  --pc-shadow: 0 18px 40px rgba(0, 0, 0, 0.42), 0 2px 0 rgba(220, 205, 178, 0.28);
  --pc-bar: 10px;
  color: var(--paper);
  background: var(--night);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--rail-h) + 28px) 0 40px;
  background:
    radial-gradient(900px 480px at 82% 18%, rgba(28, 122, 80, 0.34), transparent 62%),
    radial-gradient(620px 420px at 8% 88%, rgba(56, 198, 255, 0.14), transparent 68%),
    var(--night);
  overflow: hidden;
}

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

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35em;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-inline-end: 0.35em;
  color: var(--turf);
}

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

.page-contact .breadcrumb a:hover {
  text-decoration: underline;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-contact .contact-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: #D7E3D9;
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-contact .copy-chip {
  border: 1px solid var(--turf);
  border-radius: var(--radius-pill);
  background: rgba(12, 46, 34, 0.7);
  color: var(--paper);
  font: inherit;
  font-size: 14px;
  padding: 9px 20px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .copy-chip:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.page-contact .copy-chip[data-copied] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

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

.page-contact .contact-hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(28, 122, 80, 0.5);
  background: var(--night-deep);
  min-height: 260px;
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  filter: saturate(0.42) brightness(0.52) contrast(1.06);
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 23, 15, 0.1), rgba(6, 23, 15, 0.78)),
    repeating-linear-gradient(90deg, rgba(217, 255, 60, 0.09) 0 1px, transparent 1px 46px);
  pointer-events: none;
}

.page-contact .route-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.page-contact .route-map__line {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 6 7;
}

.page-contact .route-map__line--a { stroke: var(--lime); opacity: 0.85; }
.page-contact .route-map__line--b { stroke: var(--volt); opacity: 0.8; }
.page-contact .route-map__line--c { stroke: var(--turf); opacity: 0.9; }
.page-contact .route-map__line--d { stroke: var(--amber); opacity: 0.7; }

.page-contact .route-map__node {
  fill: var(--night-deep);
  stroke: var(--lime);
  stroke-width: 2;
}

.page-contact .route-map__pulse {
  fill: none;
  stroke: var(--lime);
  stroke-width: 1.5;
  opacity: 0.5;
  animation: pc-pulse 2.6s ease-out infinite;
}

.page-contact .route-map__label {
  fill: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

@keyframes pc-pulse {
  0% { r: 12; opacity: 0.6; }
  100% { r: 30; opacity: 0; }
}

/* ---------- 通用小标题 ---------- */
.page-contact .section-sub {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.24;
  color: var(--paper);
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

/* ---------- 联络通道 ---------- */
.page-contact .contact-channels {
  padding: 34px 0 52px;
  background: var(--night-deep);
}

.page-contact .channel-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-contact .channel-tab {
  border: 1px solid rgba(28, 122, 80, 0.6);
  background: rgba(12, 46, 34, 0.55);
  color: var(--mist);
  font: inherit;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-contact .channel-tab:hover {
  color: var(--paper);
  border-color: var(--turf);
}

.page-contact .channel-tab.is-active {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 28px;
  color: var(--ink);
}

.page-contact .channel-card__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: #5A6B5F;
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--ink);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-all;
  background: rgba(28, 122, 80, 0.09);
  border-left: 4px solid var(--turf);
  border-radius: 6px;
  padding: 10px 14px;
}

.page-contact .channel-card__value--text {
  font-size: 16px;
  word-break: normal;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #35443A;
}

.page-contact .channel-card__list {
  margin: 0 0 auto;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-inline-start: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #2B3830;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--turf);
}

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

.page-contact .channel-note {
  margin: 28px 0 0;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(143, 167, 155, 0.45);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-timing {
  padding: 44px 0 56px;
  background: var(--night);
}

.page-contact .col-offset {
  margin-top: 26px;
}

.page-contact .timing-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 30px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(12, 46, 34, 0.5);
  border: 1px solid rgba(28, 122, 80, 0.45);
}

.page-contact .timing-strip__item {
  display: grid;
  grid-template-columns: 16px 1fr;
  align-items: center;
  gap: 4px 12px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  background: rgba(6, 23, 15, 0.55);
}

.page-contact .timing-strip__dot {
  grid-row: span 2;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--turf);
}

.page-contact .timing-strip__dot--lime {
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(217, 255, 60, 0.16);
}

.page-contact .timing-strip__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .timing-strip__note {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mist);
}

.page-contact .contact-aside__card {
  padding: 24px 22px 26px;
  color: var(--ink);
}

.page-contact .contact-aside__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--ink);
}

.page-contact .contact-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-aside__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #2B3830;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--paper-edge);
}

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

.page-contact .contact-aside__tip {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 纠错流程 ---------- */
.page-contact .contact-fix {
  padding: 44px 0 56px;
  background: var(--night-deep);
}

.page-contact .fix-lead__text {
  margin: 0 0 28px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: #D7E3D9;
}

.page-contact .fix-figure {
  margin: 0 0 34px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(28, 122, 80, 0.5);
  background: var(--night);
}

.page-contact .fix-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.5) brightness(0.68);
}

.page-contact .fix-figure figcaption {
  padding: 12px 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid rgba(28, 122, 80, 0.4);
  background: rgba(12, 46, 34, 0.6);
}

.page-contact .fix-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .fix-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(28, 122, 80, 0.28), rgba(6, 23, 15, 0.9));
  border: 1px solid rgba(28, 122, 80, 0.5);
}

.page-contact .fix-step__num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
}

.page-contact .fix-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--paper);
}

.page-contact .fix-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #C9D8CD;
}

.page-contact .fix-result {
  margin-top: 34px;
  padding: 26px 24px 28px;
  border-radius: var(--radius-lg);
  background: rgba(12, 46, 34, 0.66);
  border: 1px solid rgba(56, 198, 255, 0.3);
}

.page-contact .fix-result__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--paper);
}

.page-contact .fix-result__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .fix-result__cell p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 9vw, 66px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

/* ---------- 订阅变更 ---------- */
.page-contact .contact-sub {
  padding: 44px 0 56px;
  background: var(--night);
}

.page-contact .contact-sub .btn {
  margin-top: 8px;
}

.page-contact .sub-aside {
  margin-top: 26px;
}

.page-contact .sub-aside__card {
  padding: 24px 22px 26px;
  color: var(--ink);
}

.page-contact .sub-aside__card-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--ink);
}

.page-contact .sub-aside__dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-contact .sub-aside__dl dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--turf);
  text-transform: uppercase;
}

.page-contact .sub-aside__dl dd {
  margin: 2px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: #2B3830;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--paper-edge);
}

.page-contact .sub-aside__foot {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: #4A5A50;
}

/* ---------- 合作 ---------- */
.page-contact .contact-partner {
  padding: 44px 0 56px;
  background: var(--night-deep);
}

.page-contact .partner-lead {
  margin: 0 0 30px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: #D7E3D9;
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 26px);
}

.page-contact .partner-card {
  position: relative;
  padding: 26px 24px 26px;
  border-radius: var(--radius-lg);
  background: rgba(12, 46, 34, 0.72);
  border: 1px solid rgba(28, 122, 80, 0.55);
}

.page-contact .partner-card--alt {
  border-color: rgba(56, 198, 255, 0.4);
  background: rgba(9, 38, 51, 0.5);
}

.page-contact .partner-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--volt);
}

.page-contact .partner-card__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--paper);
}

.page-contact .partner-card p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: #C4D4C9;
}

.page-contact .partner-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-contact .partner-card__list li {
  position: relative;
  padding-inline-start: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .partner-card__list li::before {
  content: "›";
  position: absolute;
  inset-inline-start: 0;
  color: var(--lime);
}

.page-contact .partner-note {
  margin: 26px 0 0;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(143, 167, 155, 0.4);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 常见事项 ---------- */
.page-contact .contact-faq {
  padding: 44px 0 56px;
  background: var(--night);
}

.page-contact .accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .accordion__item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(28, 122, 80, 0.5);
  background: rgba(12, 46, 34, 0.55);
  overflow: hidden;
}

.page-contact .accordion__trigger {
  display: block;
  padding: 16px 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .accordion__trigger::after {
  content: "＋";
  float: inline-end;
  margin-inline-start: 12px;
  color: var(--lime);
  font-weight: 700;
}

.page-contact .accordion__item[open] .accordion__trigger::after {
  content: "－";
}

.page-contact .accordion__panel {
  padding: 0 20px 18px;
}

.page-contact .accordion__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #BFD0C5;
}

.page-contact .accordion__panel a {
  color: var(--volt);
}

.page-contact .cfaq-aside {
  margin-top: 30px;
}

.page-contact .cfaq-aside__block {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(28, 122, 80, 0.35), rgba(6, 23, 15, 0.9));
  border: 1px solid rgba(28, 122, 80, 0.5);
}

.page-contact .cfaq-aside__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .cfaq-aside__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .cfaq-aside__links {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .cfaq-aside__links a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 198, 255, 0.3);
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-contact .cfaq-aside__links a:hover {
  border-color: var(--lime);
  color: var(--lime);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-close {
  padding: 44px 0 64px;
  background:
    radial-gradient(700px 320px at 18% 0%, rgba(28, 122, 80, 0.38), transparent 68%),
    var(--night-deep);
  border-top: 4px solid var(--turf);
}

.page-contact .contact-close__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .contact-close__text h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .contact-close__text p {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: #D7E3D9;
}

.page-contact .contact-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
}

.page-contact .contact-close__mono {
  flex: 1 1 100%;
  margin: 6px 0 0;
  font-size: 14.5px;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .contact-close__addr {
  flex: 1 1 100%;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .fix-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .fix-result__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .partner-card:first-child {
    grid-column: span 2;
  }
  .page-contact .timing-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-close__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: calc(var(--rail-h) + 46px) 0 64px;
  }
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(32px, 4vw, 60px);
    min-height: 520px;
  }
  .page-contact .contact-hero__visual {
    min-height: 460px;
    align-self: stretch;
  }
  .page-contact .contact-hero__visual img {
    min-height: 460px;
  }
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .channel-card:nth-child(2) {
    transform: translateY(18px);
  }
  .page-contact .timing-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .timing-strip__item {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 8px;
  }
  .page-contact .timing-strip__dot {
    grid-row: auto;
  }
  .page-contact .contact-aside,
  .page-contact .sub-aside {
    margin-top: 0;
    align-self: start;
  }
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .partner-card:first-child {
    grid-column: span 1;
  }
  .page-contact .fix-step {
    padding: 26px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-map__pulse {
    animation: none;
  }
  .page-contact .channel-card:nth-child(2) {
    transform: none;
  }
  .page-contact .copy-chip,
  .page-contact .channel-tab,
  .page-contact .cfaq-aside__links a {
    transition: none;
  }
}