.page-contact {
  --ct-gap: clamp(20px, 4vw, 40px);
  --ct-line-dash: 1px dashed var(--line);
  background:
    radial-gradient(120% 70% at 88% -6%, rgba(61, 169, 255, 0.14), transparent 62%),
    radial-gradient(80% 60% at 0% 2%, rgba(182, 255, 59, 0.09), transparent 58%),
    var(--ink-900);
  color: var(--paper);
  padding-bottom: var(--sp-6);
  overflow-x: hidden;
}

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

/* 面包屑 */
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(16px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-contact .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--paper-40);
}
.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line-strong);
}
.page-contact .breadcrumb-link {
  color: var(--paper-60);
  text-decoration: none;
}
.page-contact .breadcrumb-link:hover {
  color: var(--green);
}
.page-contact .breadcrumb-current {
  color: var(--green);
}

/* 首屏 */
.page-contact .ct-hero {
  padding: clamp(22px, 5vw, 54px) 0 clamp(30px, 6vw, 70px);
}
.page-contact .ct-hero__grid {
  display: grid;
  gap: var(--ct-gap);
  align-items: start;
}
.page-contact .ct-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.4vw, 56px);
  line-height: 1.07;
  letter-spacing: -0.02em;
}
.page-contact .ct-hero h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 5px;
  margin-top: 18px;
  background: var(--green);
  transform: skewX(-24deg);
}
.page-contact .ct-hero .lead {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: var(--paper-80);
}

.page-contact .ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3.5vw, 32px);
}
.page-contact .ct-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--paper-60);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  color: var(--green);
  border-color: rgba(182, 255, 59, 0.55);
}
.page-contact .ct-jump a.is-active {
  background: var(--green);
  border-color: var(--green);
  color: #07090C;
}

.page-contact .ct-signal {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--ink-850);
  box-shadow: var(--shadow-glass);
}
.page-contact .ct-signal__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .ct-signal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(7, 9, 12, 0.1) 0%, rgba(7, 9, 12, 0.5) 55%, rgba(7, 9, 12, 0.92) 100%);
  pointer-events: none;
}
.page-contact .ct-signal__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
}
.page-contact .ct-signal__cap-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--paper-80);
}

/* 通用分区 */
.page-contact .ct-section {
  padding: clamp(32px, 6vw, 78px) 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .ct-section__head {
  max-width: 64ch;
}
.page-contact .ct-section h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
}
.page-contact .ct-section__desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-60);
}

.page-contact .ct-side-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}
.page-contact .ct-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-80);
}
.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--green);
}
.page-contact .ct-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-60);
}
.page-contact .ct-inline-link {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-contact .ct-inline-link:hover {
  color: var(--mint);
}

/* 客服渠道 */
.page-contact .ct-channels {
  display: grid;
  gap: clamp(14px, 3vw, 26px);
  margin-top: clamp(22px, 4vw, 38px);
}
.page-contact .ct-channels__card {
  position: relative;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, rgba(26, 32, 40, 0.94), rgba(17, 21, 27, 0.97));
  box-shadow: var(--shadow-glass);
}
.page-contact .ct-channels__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  background: linear-gradient(180deg, var(--green), var(--blue));
  border-radius: 2px;
}
.page-contact .ct-rows {
  margin: 0;
  display: grid;
  gap: 0;
}
.page-contact .ct-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: var(--ct-line-dash);
}
.page-contact .ct-row:first-child {
  padding-top: 0;
}
.page-contact .ct-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .ct-row__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-40);
}
.page-contact .ct-row__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.6vw, 18px);
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}
.page-contact .ct-row__value--text {
  font-family: var(--font-ui);
  font-size: clamp(14px, 2.4vw, 16px);
  line-height: 1.8;
}
.page-contact .ct-channels__side {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: rgba(17, 21, 27, 0.6);
}

@media (min-width: 860px) {
  .page-contact .ct-channels {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* 合作方向 */
.page-contact .ct-partners {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-contact .ct-partners__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-contact .ct-partners__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}
.page-contact .ct-partners__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 9, 12, 0.72), var(--ink-900) 80%);
}
.page-contact .ct-partners .container {
  position: relative;
  z-index: 1;
}
.page-contact .ct-matrix {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 4vw, 38px);
}
.page-contact .ct-quad {
  --quad-color: var(--green);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(17, 21, 27, 0.78);
  backdrop-filter: blur(6px);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}
.page-contact .ct-quad--media { --quad-color: var(--blue); }
.page-contact .ct-quad--data { --quad-color: var(--mint); }
.page-contact .ct-quad--brand { --quad-color: var(--magenta); }
.page-contact .ct-quad--license { --quad-color: var(--amber); }
.page-contact .ct-quad::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--quad-color);
}
.page-contact .ct-quad:hover,
.page-contact .ct-quad[open] {
  border-color: var(--line-strong);
  background: rgba(26, 32, 40, 0.92);
}
.page-contact .ct-quad summary {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 3vw, 26px) clamp(16px, 3vw, 26px) clamp(16px, 3vw, 26px) clamp(20px, 3.6vw, 34px);
  list-style: none;
  cursor: pointer;
}
.page-contact .ct-quad summary::-webkit-details-marker {
  display: none;
}
.page-contact .ct-quad__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .ct-quad__title::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--quad-color);
}
.page-contact .ct-quad[open] .ct-quad__title::after {
  content: "−";
}
.page-contact .ct-quad__who {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper-60);
}
.page-contact .ct-quad__body {
  display: grid;
  gap: 12px;
  padding: 16px clamp(16px, 3vw, 26px) clamp(18px, 3vw, 26px) clamp(20px, 3.6vw, 34px);
  border-top: 1px solid var(--line-soft);
}
.page-contact .ct-quad__dl {
  display: grid;
  gap: 12px;
  margin: 0;
}
.page-contact .ct-quad__dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--quad-color);
}
.page-contact .ct-quad__dd {
  margin: 5px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-80);
}

@media (min-width: 780px) {
  .page-contact .ct-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

/* 紧急反馈 */
.page-contact .ct-urgent__inner {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid rgba(255, 61, 141, 0.42);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, rgba(255, 61, 141, 0.14), rgba(17, 21, 27, 0.92) 62%);
}
.page-contact .ct-urgent__inner h2 {
  margin-top: 12px;
}
.page-contact .ct-urgent__inner .ct-list li::before {
  background: var(--magenta);
}

@media (min-width: 820px) {
  .page-contact .ct-urgent__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(24px, 4vw, 48px);
  }
}

/* 处理流程 */
.page-contact .ct-flow {
  display: grid;
  gap: 0;
  margin: clamp(22px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 14px 20px 0;
  border-top: var(--ct-line-dash);
  transition: background 0.22s var(--ease);
}
.page-contact .ct-step:last-child {
  border-bottom: var(--ct-line-dash);
}
.page-contact .ct-step:hover,
.page-contact .ct-step:focus-within {
  background: rgba(182, 255, 59, 0.06);
}
.page-contact .ct-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(182, 255, 59, 0.45);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green);
}
.page-contact .ct-step__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}
.page-contact .ct-step__text {
  margin: 6px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-60);
}

/* 来访与邮寄 */
.page-contact .ct-visit__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 4vw, 32px);
}
.page-contact .ct-visit__block {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(17, 21, 27, 0.62);
}
.page-contact .ct-visit__addr {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.75;
  color: var(--paper);
}

@media (min-width: 820px) {
  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
  }
}

/* 收束条 */
.page-contact .ct-bottom {
  margin-top: clamp(34px, 6vw, 70px);
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(182, 255, 59, 0.1), rgba(61, 169, 255, 0.1) 48%, rgba(255, 61, 141, 0.12));
}
.page-contact .ct-bottom__grid {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 4vw, 32px) 0;
}
.page-contact .ct-bottom__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-40);
}
.page-contact .ct-bottom__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-80);
  word-break: break-word;
}
.page-contact .ct-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 10px;
}
.page-contact .ct-links a {
  font-size: 13.5px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 59, 0.4);
  padding-bottom: 2px;
}
.page-contact .ct-links a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

@media (min-width: 780px) {
  .page-contact .ct-bottom__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: clamp(20px, 4vw, 44px);
  }
}

@media (min-width: 940px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }
}