.page-contact {
  --ct-pad: clamp(20px, 3.2vw, 36px);
  --ct-r: 28px;
  --ct-gap: clamp(18px, 2.6vw, 30px);
  padding-bottom: clamp(56px, 9vw, 128px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(24px, 4.5vw, 60px) 0 clamp(24px, 3.6vw, 44px);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-contact .ct-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 6.6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper-text);
}

.page-contact .ct-hero__title em {
  font-style: normal;
  color: var(--signal);
}

.page-contact .ct-hero__lead .lede {
  margin-top: 18px;
  max-width: 62ch;
}

.page-contact .ct-hero__aside {
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
}

.page-contact .ct-hero__aside-cap {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--moss);
}

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

.page-contact .ct-jump a {
  display: inline-block;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--paper-text);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  border-color: var(--signal);
  color: var(--signal);
  background: rgba(42, 245, 176, .08);
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-contact .ct-hero__aside {
    border-top: none;
    border-left: 2px solid var(--moss);
    padding-top: 4px;
    padding-left: 20px;
  }
}

/* ---------- 时段带 ---------- */
.page-contact .ct-band {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(100deg, rgba(42, 245, 176, .085), rgba(11, 16, 38, 0) 64%);
  padding: clamp(22px, 3vw, 34px) 0;
}

.page-contact .ct-band__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}

.page-contact .ct-band__cap {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--paper-text);
}

.page-contact .ct-band__track {
  min-width: 0;
}

.page-contact .ct-band__rail {
  position: relative;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--slate);
}

.page-contact .ct-band__fill {
  position: absolute;
  inset: 0;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--signal), var(--signal-soft));
  box-shadow: 0 0 22px rgba(42, 245, 176, .34);
}

.page-contact .ct-band__edge {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--night);
  border: 3px solid var(--signal);
  transform: translate(-50%, -50%);
}

.page-contact .ct-band__edge--a { left: 0; }
.page-contact .ct-band__edge--b { left: 100%; }

.page-contact .ct-band__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--mist);
}

.page-contact .ct-band__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

@media (min-width: 860px) {
  .page-contact .ct-band__inner {
    grid-template-columns: minmax(170px, .85fr) minmax(0, 2.2fr) minmax(190px, 1fr);
    gap: 32px;
  }
}

/* ---------- 三张联络卡 ---------- */
.page-contact .ct-cards {
  padding: clamp(48px, 7vw, 96px) 0 0;
}

.page-contact .ct-cards__head {
  max-width: 46ch;
  margin-bottom: clamp(24px, 3.4vw, 46px);
}

.page-contact .ct-cards__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--deck);
  border: 1px solid var(--line-soft);
  border-radius: var(--ct-r);
  padding: var(--ct-pad);
  overflow: hidden;
  scroll-margin-top: 130px;
}

.page-contact .ct-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--signal), rgba(42, 245, 176, 0));
}

.page-contact .ct-card--partner::before {
  background: linear-gradient(90deg, var(--clay), rgba(196, 121, 74, 0));
}

.page-contact .ct-card--letter::before {
  background: linear-gradient(90deg, var(--moss), rgba(110, 129, 86, 0));
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.28rem, 2.4vw, 1.68rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--paper-text);
}

.page-contact .ct-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-card > .tag {
  align-self: flex-start;
}

.page-contact .ct-card__media {
  border-radius: 18px;
  overflow: hidden;
}

.page-contact .ct-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: 18px;
}

.page-contact .ct-card__media--letter img {
  aspect-ratio: 3 / 2;
}

@media (min-width: 980px) {
  .page-contact .ct-cards__grid {
    grid-template-columns: 1.12fr 1fr .96fr;
  }
  .page-contact .ct-card--partner { margin-top: 52px; }
  .page-contact .ct-card--letter { margin-top: 104px; }
}

/* 联系方式条目 */
.page-contact .ct-reach {
  border-top: 1px dashed var(--line-soft);
  padding-top: 14px;
}

.page-contact .ct-reach__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .ct-reach__value {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(.95rem, 2.4vw, 1.3rem);
  line-height: 1.32;
  color: var(--signal);
  text-decoration: none;
  overflow-wrap: anywhere;
}

a.ct-reach__value:hover,
a.ct-reach__value:focus-visible {
  color: var(--signal-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .ct-reach__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* 合作手风琴 */
.page-contact .ct-deals {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .ct-deal {
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(30, 42, 71, .45);
  overflow: hidden;
}

.page-contact .ct-deal__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper-text);
}

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

.page-contact .ct-deal__head:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

.page-contact .ct-deal__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--clay);
}

.page-contact .ct-deal__name { flex: 1; }

.page-contact .ct-deal__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-contact .ct-deal__sign::before,
.page-contact .ct-deal__sign::after {
  content: "";
  position: absolute;
  background: var(--signal);
  border-radius: 2px;
}

.page-contact .ct-deal__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-contact .ct-deal__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
  transition: transform .18s ease;
}

.page-contact .ct-deal[open] .ct-deal__sign::after {
  transform: scaleY(0);
}

.page-contact .ct-deal__body {
  padding: 0 16px 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-deal__body p { margin: 0 0 8px; }
.page-contact .ct-deal__body p:last-child { margin-bottom: 0; }

.page-contact .ct-deal__need {
  color: var(--paper-text);
}

/* 来信地址 */
.page-contact .ct-add {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--clay);
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.5;
  color: var(--paper-text);
}

/* ---------- 提问准备清单 ---------- */
.page-contact .ct-prep {
  padding: clamp(56px, 8vw, 120px) 0;
}

.page-contact .ct-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
}

.page-contact .ct-prep__intro .sec-title {
  margin-top: 10px;
}

.page-contact .ct-prep__intro .muted {
  margin-top: 16px;
  max-width: 44ch;
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-prep__item {
  padding: 20px 22px;
  border-radius: 20px;
  background: var(--deck);
  border: 1px solid var(--line-soft);
  border-top: 2px solid rgba(42, 245, 176, .38);
}

.page-contact .ct-prep__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
  margin-bottom: 10px;
}

.page-contact .ct-prep__name {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper-text);
}

.page-contact .ct-prep__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--mist);
}

@media (min-width: 620px) {
  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.5fr);
    align-items: start;
  }
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-flow {
  padding: clamp(8px, 2vw, 24px) 0 clamp(56px, 8vw, 110px);
}

.page-contact .ct-flow__head {
  max-width: 44ch;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-contact .ct-flow__head .sec-title {
  margin-top: 10px;
}

.page-contact .ct-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .ct-flow__step {
  position: relative;
  padding: 24px 18px 28px 26px;
  border-left: 1px solid var(--line);
}

.page-contact .ct-flow__step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 30px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(42, 245, 176, .14);
}

.page-contact .ct-flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-flow__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-contact .ct-flow__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.3;
  color: var(--paper-text);
}

.page-contact .ct-flow__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 40ch;
}

@media (min-width: 900px) {
  .page-contact .ct-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .ct-flow__step {
    padding: 28px 26px 0 0;
    border-left: none;
    border-top: 1px solid var(--line);
  }
  .page-contact .ct-flow__step::before {
    left: 0;
    top: -5px;
  }
  .page-contact .ct-flow__step:last-child {
    padding-bottom: 0;
  }
}

/* ---------- 自助入口 ---------- */
.page-contact .ct-faq__panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 46px);
  padding: clamp(26px, 4.4vw, 54px);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
}

.page-contact .ct-faq__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(42, 245, 176, .3), rgba(42, 245, 176, 0) 68%);
  pointer-events: none;
}

.page-contact .ct-faq__text .eyebrow {
  color: var(--clay);
}

.page-contact .ct-faq__text .sec-title {
  margin-top: 10px;
  color: var(--ink);
}

.page-contact .ct-faq__text .muted {
  margin-top: 14px;
  max-width: 38ch;
  color: rgba(11, 16, 38, .68);
}

.page-contact .ct-faq__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.page-contact .ct-faq__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  border-radius: 16px;
  background: rgba(11, 16, 38, .05);
  border: 1px solid rgba(11, 16, 38, .1);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-contact .ct-faq__links a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  opacity: .55;
}

.page-contact .ct-faq__links a:hover,
.page-contact .ct-faq__links a:focus-visible {
  background: var(--night);
  border-color: var(--night);
  color: var(--signal);
}

@media (min-width: 900px) {
  .page-contact .ct-faq__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 420px) {
  .page-contact .ct-card {
    border-radius: 22px;
  }
  .page-contact .ct-jump a {
    padding: 8px 13px;
    font-size: 12.5px;
  }
}

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