.page-contact {
  --pc-cut: 14px;
  --pc-pad: clamp(18px, 2.6vw, 28px);
  --pc-border: rgba(169, 199, 217, 0.2);
  --pc-border-soft: rgba(169, 199, 217, 0.1);
  background: var(--kt-ink);
  color: var(--kt-cream);
  font-family: var(--kt-font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: clamp(18px, 3vw, 38px);
  position: relative;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-contact .pc-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(2.3rem, 6.6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.page-contact .pc-hl {
  color: var(--kt-lime);
  position: relative;
  white-space: nowrap;
}

.page-contact .pc-hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 4px;
  background: var(--kt-orange);
  transform: skewX(-24deg);
}

.page-contact .pc-hero__lead {
  margin: 0 0 26px;
  max-width: 44ch;
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  line-height: 1.8;
  color: var(--kt-mist);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: 0;
}

.page-contact .pc-hero__figure .kt-figure__media {
  clip-path: polygon(var(--pc-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--pc-cut));
  border: 1px solid var(--pc-border-soft);
  overflow: hidden;
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-hero__figure .kt-figure__caption {
  margin-top: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--kt-stone);
}

/* ---------- 区块标题 ---------- */
.page-contact .pc-sec-head {
  margin-bottom: clamp(22px, 3vw, 36px);
  max-width: 52ch;
}

.page-contact .pc-sec-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.55rem, 3.1vw, 2.45rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.page-contact .pc-sec-head__note {
  margin: 0;
  color: var(--kt-mist);
  font-size: 0.96rem;
  line-height: 1.8;
}

/* ---------- 工作台 ---------- */
.page-contact .pc-wb {
  position: relative;
}

.page-contact .pc-wb__grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-contact .pc-channels {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .pc-channel {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: var(--pc-pad);
  background: var(--kt-moss);
  clip-path: polygon(var(--pc-cut) 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%, 0 var(--pc-cut));
  transition: transform var(--kt-speed) var(--kt-ease), background var(--kt-speed) var(--kt-ease);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translateY(-3px);
  background: #16493b;
}

.page-contact .pc-channel--plain {
  background: var(--kt-night);
}

.page-contact .pc-channel__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--kt-lime);
  background: rgba(198, 255, 61, 0.12);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-contact .pc-channel__body {
  min-width: 0;
}

.page-contact .pc-channel__label {
  margin: 0 0 6px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--kt-clay);
}

.page-contact .pc-channel__value {
  margin: 0 0 8px;
  font-size: clamp(0.95rem, 1.6vw, 1.12rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--kt-cream);
  word-break: break-word;
}

.page-contact .pc-channel__note {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--kt-mist);
}

.page-contact .pc-copy {
  grid-column: 2;
  justify-self: start;
  margin-top: 10px;
  padding: 6px 14px;
  font-family: inherit;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--kt-cream);
  background: transparent;
  border: 1px solid var(--pc-border);
  cursor: pointer;
  transition: border-color var(--kt-speed) var(--kt-ease), color var(--kt-speed) var(--kt-ease);
}

.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  border-color: var(--kt-lime);
  color: var(--kt-lime);
}

.page-contact .pc-copy__status {
  grid-column: 2;
  font-size: 0.74rem;
  color: var(--kt-lime);
  min-height: 1em;
}

.page-contact .pc-timing {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-top: 4px;
  padding: 14px 18px;
  background: var(--kt-night);
  border-left: 3px solid var(--kt-gold);
}

.page-contact .pc-timing__key {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--kt-stone);
}

.page-contact .pc-timing__val {
  font-size: 0.9rem;
  color: var(--kt-cream);
}

/* ---------- 反馈表单面板 ---------- */
.page-contact .pc-formpanel {
  position: relative;
  padding: var(--pc-pad);
  background: linear-gradient(170deg, #0d2444 0%, var(--kt-night) 58%, #08182e 100%);
  clip-path: polygon(var(--pc-cut) 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%, 0 var(--pc-cut));
}

.page-contact .pc-formpanel::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--pc-cut);
  width: 78px;
  height: 3px;
  background: var(--kt-lime);
}

.page-contact .pc-formpanel__title {
  margin: 8px 0 10px;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .pc-formpanel__intro {
  margin: 0 0 20px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--kt-mist);
}

.page-contact .pc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-contact .pc-chip {
  padding: 8px 14px;
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--kt-mist);
  background: transparent;
  border: 1px solid var(--pc-border);
  cursor: pointer;
  transition: background var(--kt-speed) var(--kt-ease), color var(--kt-speed) var(--kt-ease), border-color var(--kt-speed) var(--kt-ease);
}

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

.page-contact .pc-chip[aria-pressed="true"] {
  background: var(--kt-lime);
  border-color: var(--kt-lime);
  color: var(--kt-ink);
  font-weight: 700;
}

.page-contact .pc-field {
  margin-bottom: 18px;
}

.page-contact .pc-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--kt-cream);
}

.page-contact .pc-req {
  color: var(--kt-orange);
}

.page-contact .pc-input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.94rem;
  color: var(--kt-cream);
  background: rgba(6, 27, 23, 0.72);
  border: 1px solid var(--pc-border);
  border-radius: 0;
  transition: border-color var(--kt-speed) var(--kt-ease);
}

.page-contact .pc-input::placeholder {
  color: rgba(169, 199, 217, 0.56);
}

.page-contact .pc-input:hover {
  border-color: rgba(198, 255, 61, 0.4);
}

.page-contact .pc-input:focus-visible {
  outline: 2px solid var(--kt-lime);
  outline-offset: 1px;
  border-color: var(--kt-lime);
}

.page-contact .pc-textarea {
  min-height: 118px;
  resize: vertical;
  line-height: 1.7;
}

.page-contact .pc-hint {
  margin: 8px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--kt-mist);
}

.page-contact .pc-submit {
  width: 100%;
  margin-top: 4px;
}

.page-contact .pc-formpanel__foot {
  margin: 14px 0 0;
  font-size: 0.78rem;
  line-height: 1.72;
  color: var(--kt-stone);
}

/* ---------- 会员中心 ---------- */
.page-contact .pc-member {
  background: linear-gradient(180deg, rgba(11, 30, 58, 0) 0%, rgba(11, 30, 58, 0.72) 22%, rgba(6, 27, 23, 0) 100%);
}

.page-contact .pc-member__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-contact .pc-member__lead {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 0.97rem;
  line-height: 1.82;
  color: var(--kt-mist);
}

.page-contact .pc-member__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-member__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0 14px 12px;
  border-left: 1px solid var(--pc-border-soft);
  transition: border-color var(--kt-speed) var(--kt-ease);
}

.page-contact .pc-member__list li:hover {
  border-left-color: var(--kt-gold);
}

.page-contact .pc-member__key {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--kt-gold);
  line-height: 1.6;
}

.page-contact .pc-member__item {
  margin: 0 0 4px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--kt-cream);
}

.page-contact .pc-member__desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--kt-mist);
}

.page-contact .pc-member__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .pc-member__figure {
  margin: 0;
}

.page-contact .pc-member__figure .kt-figure__media {
  clip-path: polygon(0 0, 100% 0, 100% var(--pc-cut), calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
  border: 1px solid var(--pc-border-soft);
  overflow: hidden;
}

.page-contact .pc-member__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-member__figure .kt-figure__caption {
  margin-top: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--kt-stone);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-coop__grid {
  display: grid;
  gap: 14px;
}

.page-contact .pc-coop__card {
  padding: var(--pc-pad);
  background: var(--kt-moss);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
  transition: transform var(--kt-speed) var(--kt-ease), background var(--kt-speed) var(--kt-ease);
}

.page-contact .pc-coop__card:hover {
  transform: translateY(-3px);
  background: #17493c;
}

.page-contact .pc-coop__idx {
  display: block;
  margin-bottom: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--kt-clay);
  letter-spacing: 0.08em;
}

.page-contact .pc-coop__title {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .pc-coop__text {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--kt-mist);
}

.page-contact .pc-coop__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-border-soft);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--kt-gold);
}

.page-contact .pc-coop__foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 62ch;
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--kt-mist);
}

/* ---------- 常见问题前置 ---------- */
.page-contact .pc-quick__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--pc-border-soft);
}

.page-contact .pc-quick__intro h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.45rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-contact .pc-quick__intro p {
  margin: 0;
  max-width: 42ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--kt-mist);
}

.page-contact .pc-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-quick__link {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--kt-cream);
  background: var(--kt-night);
  border-left: 3px solid transparent;
  transition: border-color var(--kt-speed) var(--kt-ease), background var(--kt-speed) var(--kt-ease), transform var(--kt-speed) var(--kt-ease);
}

.page-contact .pc-quick__link:hover,
.page-contact .pc-quick__link:focus-visible {
  border-left-color: var(--kt-lime);
  background: #102a4d;
  transform: translateX(3px);
}

.page-contact .pc-quick__link:focus-visible {
  outline: 2px solid var(--kt-lime);
  outline-offset: 2px;
}

.page-contact .pc-quick__num {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--kt-lime);
}

.page-contact .pc-quick__txt {
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-contact .pc-quick__arrow {
  font-size: 0.95rem;
  color: var(--kt-stone);
  transition: color var(--kt-speed) var(--kt-ease);
}

.page-contact .pc-quick__link:hover .pc-quick__arrow {
  color: var(--kt-lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-wb__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .pc-member__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-contact .pc-quick__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-contact .pc-hero__actions .kt-btn,
  .page-contact .pc-member__actions .kt-btn {
    width: 100%;
    text-align: center;
  }

  .page-contact .pc-quick__link {
    grid-template-columns: 38px minmax(0, 1fr) 16px;
    padding: 12px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-coop__card,
  .page-contact .pc-quick__link,
  .page-contact .pc-chip,
  .page-contact .pc-copy {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-channel:focus-within,
  .page-contact .pc-coop__card:hover,
  .page-contact .pc-quick__link:hover,
  .page-contact .pc-quick__link:focus-visible {
    transform: none;
  }
}