.page-contact {
  --ct-ink-soft: rgba(11, 17, 22, 0.68);
  --ct-hair: rgba(124, 147, 166, 0.42);
}

/* ================= 首屏：通道封面 ================= */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(46px, 7vw, 88px);
  color: var(--ld-mist);
  background:
    radial-gradient(115% 88% at 90% -6%, rgba(34, 240, 200, 0.24), transparent 58%),
    radial-gradient(95% 78% at -8% 104%, rgba(74, 46, 143, 0.62), transparent 64%),
    linear-gradient(158deg, #1a2a36 0%, #2b3e4f 52%, #243546 100%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: auto 0 -1px 38%;
  height: 62%;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 90, 43, 0.30), rgba(255, 90, 43, 0) 72%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .ct-hero .ld-crumbs {
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-contact .ct-hero .ld-crumbs li,
.page-contact .ct-hero .ld-crumbs a,
.page-contact .ct-hero .ld-crumbs span {
  color: rgba(233, 238, 243, 0.74);
}

.page-contact .ct-hero .ld-crumbs a:hover {
  color: var(--ld-cyan);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
}

.page-contact .ct-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--ld-font-cn);
  font-weight: 300;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: 0.05em;
  color: #fff;
}

.page-contact .ct-hero__tagline {
  margin: 14px 0 0;
  max-width: 26ch;
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  font-weight: 300;
  line-height: 1.55;
  letter-spacing: 0.03em;
  color: rgba(233, 238, 243, 0.9);
}

.page-contact .ct-hero__sub {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(233, 238, 243, 0.76);
}

.page-contact .ct-hero__panel {
  padding: 18px 20px 20px;
  border: 2px solid rgba(34, 240, 200, 0.62);
  border-radius: var(--ld-radius-sm);
  background: rgba(11, 17, 22, 0.34);
}

.page-contact .ct-hero__panel-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(233, 238, 243, 0.62);
}

.page-contact .ct-hero__panel-time {
  margin: 10px 0 0;
  font-size: clamp(1.6rem, 4.6vw, 2.1rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ld-cyan);
}

.page-contact .ct-hero__panel-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(233, 238, 243, 0.72);
}

.page-contact .ct-jump {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ld-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 240, 200, 0.5);
}

.page-contact .ct-jump:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ================= 通用小节头 ================= */
.page-contact .ct-sec-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-contact .ct-sec-head h2 {
  margin: 0;
  font-family: var(--ld-font-cn);
  font-weight: 300;
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: 0.04em;
  color: var(--ld-ink);
}

.page-contact .ct-sec-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-sec-head__note a {
  color: var(--ld-grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-sec-head__note a:hover {
  color: var(--ld-ink);
}

/* ================= 受理范围：标签切换 ================= */
.page-contact .ct-scope {
  background: var(--ld-mist);
}

.page-contact .ct-tabs {
  position: relative;
}

.page-contact .ct-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-tabs__bar {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 4px 8px;
  -webkit-overflow-scrolling: touch;
}

.page-contact .ct-tabs__label {
  flex: 0 0 auto;
  padding: 10px 18px 10px 16px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ld-ink);
  background: #fff;
  border: 2px solid var(--ld-ink);
  border-radius: 999px;
  box-shadow: 4px 4px 0 var(--ld-ink);
  cursor: pointer;
  user-select: none;
  transition: transform 220ms var(--ld-ease), background 220ms var(--ld-ease),
    color 220ms var(--ld-ease), box-shadow 220ms var(--ld-ease);
}

.page-contact .ct-tabs__label::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  vertical-align: 1px;
  background: var(--ld-gray);
}

.page-contact #ct-topic-ticket:checked ~ .ct-tabs__bar label[for="ct-topic-ticket"] {
  background: var(--ld-orange);
  color: var(--ld-ink);
  box-shadow: 4px 4px 0 var(--ld-ink);
}

.page-contact #ct-topic-review:checked ~ .ct-tabs__bar label[for="ct-topic-review"] {
  background: var(--ld-grass);
  color: var(--ld-mist);
  box-shadow: 4px 4px 0 var(--ld-ink);
}

.page-contact #ct-topic-referee:checked ~ .ct-tabs__bar label[for="ct-topic-referee"] {
  background: var(--ld-purple);
  color: var(--ld-mist);
  box-shadow: 4px 4px 0 var(--ld-ink);
}

.page-contact #ct-topic-ticket:checked ~ .ct-tabs__bar label[for="ct-topic-ticket"]::before { background: var(--ld-ink); }
.page-contact #ct-topic-review:checked ~ .ct-tabs__bar label[for="ct-topic-review"]::before { background: var(--ld-cyan); }
.page-contact #ct-topic-referee:checked ~ .ct-tabs__bar label[for="ct-topic-referee"]::before { background: var(--ld-cyan); }

.page-contact #ct-topic-ticket:focus-visible ~ .ct-tabs__bar label[for="ct-topic-ticket"],
.page-contact #ct-topic-review:focus-visible ~ .ct-tabs__bar label[for="ct-topic-review"],
.page-contact #ct-topic-referee:focus-visible ~ .ct-tabs__bar label[for="ct-topic-referee"] {
  outline: 2px solid var(--ld-cyan-ink);
  outline-offset: 3px;
}

.page-contact .ct-tabs__panel {
  display: none;
  margin-top: 20px;
  padding: clamp(20px, 3vw, 32px);
  background: #fff;
  border: 2px solid var(--ld-ink);
  border-radius: var(--ld-radius);
}

.page-contact .ct-tabs__panel--ticket { border-top: 7px solid var(--ld-orange); }
.page-contact .ct-tabs__panel--review { border-top: 7px solid var(--ld-grass); }
.page-contact .ct-tabs__panel--referee { border-top: 7px solid var(--ld-purple); }

.page-contact #ct-topic-ticket:checked ~ .ct-tabs__panels .ct-tabs__panel--ticket,
.page-contact #ct-topic-review:checked ~ .ct-tabs__panels .ct-tabs__panel--review,
.page-contact #ct-topic-referee:checked ~ .ct-tabs__panels .ct-tabs__panel--referee {
  display: block;
}

.page-contact .ct-tabs__panel h3 {
  margin: 0 0 18px;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.45;
  color: var(--ld-ink);
}

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

.page-contact .ct-need li {
  display: grid;
  gap: 5px;
  padding-left: 15px;
  border-left: 3px solid var(--ct-hair);
}

.page-contact .ct-need__t {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ld-ink);
}

.page-contact .ct-need__d {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-need__d a {
  color: var(--ld-grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-need__d a:hover { color: var(--ld-ink); }

/* ================= 渠道卡 ================= */
.page-contact .ct-channels {
  padding: clamp(42px, 6vw, 78px) 0 clamp(34px, 5vw, 62px);
  background: linear-gradient(180deg, var(--ld-mist) 0%, #dbe5ed 100%);
}

.page-contact .ct-channels__shot {
  margin: 0;
  border: 2px solid var(--ld-ink);
  border-radius: var(--ld-radius);
  overflow: hidden;
  box-shadow: 10px 10px 0 rgba(11, 17, 22, 0.16);
}

.page-contact .ct-channels__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-cards {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin: -34px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 22px;
  background: var(--ld-ticket);
  color: var(--ld-ink);
  border: 2px solid var(--ld-ink);
  border-radius: var(--ld-radius);
  box-shadow: var(--ld-shadow-hard);
}

.page-contact .ct-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 7px;
  border-radius: 12px 12px 0 0;
  background: var(--ld-gray);
}

.page-contact .ct-card--mail::before { background: var(--ld-orange); }
.page-contact .ct-card--phone::before { background: var(--ld-grass); }
.page-contact .ct-card--addr::before { background: var(--ld-purple); }

.page-contact .ct-card__label {
  margin: 6px 0 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(11, 17, 22, 0.5);
}

.page-contact .ct-card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--ld-ink);
}

.page-contact .ct-card__value {
  margin: 0;
  padding: 10px 12px;
  font-family: var(--ld-font-mono);
  font-size: clamp(0.96rem, 1.6vw, 1.08rem);
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--ld-ink);
  background: rgba(255, 255, 255, 0.66);
  border: 1px dashed rgba(11, 17, 22, 0.34);
  border-radius: var(--ld-radius-sm);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .ct-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(11, 17, 22, 0.74);
}

.page-contact .ct-card__hint {
  margin: auto 0 0;
  padding-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(11, 17, 22, 0.5);
}

/* ================= 回复节奏 ================= */
.page-contact .ct-reply {
  background: #fff;
}

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

.page-contact .ct-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--ld-mist);
  border: 2px solid var(--ld-ink);
  border-radius: var(--ld-radius);
}

.page-contact .ct-step__num {
  flex: 0 0 auto;
  padding: 7px 10px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  color: var(--ld-ink);
  background: var(--ld-cyan);
  border: 2px solid var(--ld-ink);
  border-radius: 8px;
}

.page-contact .ct-step:nth-child(2) .ct-step__num { background: var(--ld-amber); }
.page-contact .ct-step:nth-child(3) .ct-step__num { background: #fff; }

.page-contact .ct-step__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--ld-ink);
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-step__body a {
  color: var(--ld-grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-step__body a:hover { color: var(--ld-ink); }

.page-contact .ct-reply__foot {
  margin: 22px 0 0;
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ld-ink);
  background: rgba(255, 194, 74, 0.16);
  border-left: 4px solid var(--ld-amber);
  border-radius: 0 var(--ld-radius-sm) var(--ld-radius-sm) 0;
}

/* ================= 不受理 ================= */
.page-contact .ct-excluded {
  padding: clamp(44px, 6vw, 80px) 0;
  color: var(--ld-mist);
  background:
    radial-gradient(84% 92% at 102% -6%, rgba(255, 90, 43, 0.22), transparent 62%),
    linear-gradient(155deg, #101d26 0%, var(--ld-grass-deep) 62%, #0b2e20 100%);
}

.page-contact .ct-excluded__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .ct-excluded h2 {
  margin: 12px 0 0;
  font-family: var(--ld-font-cn);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  line-height: 1.24;
  letter-spacing: 0.04em;
  color: #fff;
}

.page-contact .ct-excluded__lead {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(233, 238, 243, 0.78);
}

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

.page-contact .ct-excluded__list li {
  position: relative;
  padding: 15px 16px 15px 46px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(233, 238, 243, 0.92);
  background: rgba(11, 17, 22, 0.32);
  border: 2px solid rgba(233, 238, 243, 0.24);
  border-radius: var(--ld-radius-sm);
}

.page-contact .ct-excluded__list li::before {
  content: "×";
  position: absolute;
  left: 16px;
  top: 17px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  color: var(--ld-ink);
  background: var(--ld-amber);
  border-radius: 50%;
}

/* ================= 写信清单 ================= */
.page-contact .ct-checklist {
  padding: clamp(46px, 6vw, 86px) 0 clamp(48px, 7vw, 92px);
  background: #fff;
}

.page-contact .ct-checklist__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 50px);
}

.page-contact .ct-checklist h2 {
  margin: 12px 0 0;
  font-family: var(--ld-font-cn);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  line-height: 1.24;
  letter-spacing: 0.04em;
  color: var(--ld-ink);
}

.page-contact .ct-checklist__list {
  display: grid;
  gap: 14px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-checklist__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ld-ink);
  background: var(--ld-mist);
  border: 2px solid var(--ld-ink);
  border-radius: var(--ld-radius-sm);
  box-shadow: 5px 5px 0 rgba(11, 17, 22, 0.14);
}

.page-contact .ct-checklist__no {
  flex: 0 0 auto;
  font-size: 16px;
  line-height: 1.66;
  color: var(--ld-purple);
}

.page-contact .ct-checklist__foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-checklist__foot a {
  color: var(--ld-grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-checklist__foot a:hover { color: var(--ld-ink); }

.page-contact .ct-figure {
  margin: 0;
}

.page-contact .ct-figure .ld-media {
  overflow: hidden;
  border: 2px solid var(--ld-ink);
  border-radius: var(--ld-radius);
  box-shadow: 8px 8px 0 var(--ld-grass);
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-figure .ld-media__caption {
  display: block;
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-rule {
  display: block;
  height: 4px;
  margin-top: clamp(32px, 5vw, 52px);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--ld-grass) 0%, var(--ld-cyan) 46%, rgba(34, 240, 200, 0) 100%);
}

/* ================= 响应式 ================= */
@media (min-width: 620px) {
  .page-contact .ct-need {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 30px;
  }

  .page-contact .ct-cards {
    margin-top: -46px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(258px, 0.62fr);
    align-items: end;
  }

  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
    gap: 26px;
    margin-top: -62px;
  }

  .page-contact .ct-card--mail { padding-bottom: 30px; }
  .page-contact .ct-card--phone { padding-bottom: 24px; }
  .page-contact .ct-card--addr { padding-bottom: 18px; }

  .page-contact .ct-excluded__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .ct-checklist__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-step {
    flex-direction: column;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tabs__label,
  .page-contact .ct-jump {
    transition: none;
  }
}