.page-contact {
  --ct-line: 1px solid var(--ky-line-strong);
  --ct-hair: 1px solid var(--ky-line);
  --ct-copper-line: 1px solid rgba(169, 102, 43, .34);
  display: block;
  background: var(--ky-paper);
  color: var(--ky-ink);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(24px, 4vw, 46px) clamp(96px, 13vw, 156px);
  background:
    radial-gradient(110% 82% at 84% -8%, rgba(122, 92, 255, .24), transparent 58%),
    radial-gradient(78% 60% at 2% 6%, rgba(31, 182, 196, .15), transparent 62%),
    linear-gradient(180deg, #22150A 0%, #2A1A0F 58%, #30200F 100%);
  color: var(--ky-paper);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(224, 172, 99, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(224, 172, 99, .07) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(58px, 9vw, 108px);
  background: var(--ky-paper);
  clip-path: polygon(0 100%, 0 70%, 7% 46%, 14% 66%, 22% 32%, 30% 58%, 38% 24%, 47% 52%, 55% 26%, 64% 56%, 72% 30%, 80% 60%, 88% 38%, 95% 62%, 100% 44%, 100% 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
  justify-items: start;
}

.page-contact .ct-hero .ky-breadcrumb {
  color: rgba(246, 241, 231, .58);
}

.page-contact .ct-hero .ky-breadcrumb a {
  color: var(--ky-copper-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 172, 99, .45);
}

.page-contact .ct-hero .ky-breadcrumb a:hover {
  color: var(--ky-paper);
  border-bottom-color: var(--ky-neon-cyan);
}

.page-contact .ct-hero .ky-eyebrow {
  color: var(--ky-neon-cyan);
}

.page-contact .ct-hero .ky-title--hero {
  margin: 0;
  max-width: 16ch;
  color: var(--ky-paper);
}

.page-contact .ct-hero .ky-lede {
  margin: 0;
  max-width: 60ch;
  color: rgba(246, 241, 231, .8);
  font-size: clamp(15.5px, 1.05vw, 18px);
  line-height: 1.85;
}

.page-contact .ct-hero__facts {
  list-style: none;
  margin: clamp(6px, 1.4vw, 16px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  width: 100%;
  max-width: 760px;
  background: rgba(224, 172, 99, .24);
  border: 1px solid rgba(224, 172, 99, .3);
}

.page-contact .ct-hero__facts li {
  background: rgba(34, 21, 10, .72);
  padding: 13px 16px;
  display: grid;
  gap: 5px;
}

.page-contact .ct-fact__k {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(224, 172, 99, .85);
}

.page-contact .ct-fact__v {
  font-size: 14.5px;
  color: var(--ky-paper);
}

@media (min-width: 620px) {
  .page-contact .ct-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============ 通用章节 ============ */
.page-contact .ct-section {
  padding-block: clamp(34px, 4.4vw, 62px);
}

.page-contact .ct-section--prep {
  padding-block: clamp(38px, 5vw, 70px);
}

.page-contact .ct-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 2.8vw, 34px);
  max-width: 72ch;
}

.page-contact .ct-index {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--ky-copper-600);
  text-transform: uppercase;
}

.page-contact .ct-h2 {
  margin: 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--ky-karst-800);
}

.page-contact .ct-lead {
  margin: 0;
  font-size: clamp(15px, 1vw, 17px);
  line-height: 1.85;
  color: rgba(20, 24, 26, .8);
}

/* ============ 01 反馈类型 ============ */
.page-contact .fb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .fb-card {
  position: relative;
  background: var(--ky-paper-raised);
  border: var(--ct-hair);
  padding: clamp(18px, 2vw, 26px);
  display: grid;
  gap: 10px;
  align-content: start;
  transition: transform .2s var(--ky-ease), border-color .2s var(--ky-ease);
}

.page-contact .fb-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--fb-accent, var(--ky-copper-600));
}

.page-contact .fb-card:nth-child(1) { --fb-accent: var(--ky-signal-stop); }
.page-contact .fb-card:nth-child(2) { --fb-accent: var(--ky-signal-warn); }
.page-contact .fb-card:nth-child(3) { --fb-accent: var(--ky-neon-cyan); }
.page-contact .fb-card:nth-child(4) { --fb-accent: var(--ky-karst-400); }

.page-contact .fb-card:hover,
.page-contact .fb-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--ky-copper-300);
}

.page-contact .fb-card__idx {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ky-copper-600);
}

.page-contact .fb-card__name {
  margin: 0;
  font-family: var(--ky-font-display);
  font-weight: 400;
  font-size: clamp(19px, 1.6vw, 22px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ky-karst-800);
}

.page-contact .fb-card__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(20, 24, 26, .76);
}

@media (min-width: 720px) {
  .page-contact .fb-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ============ 02 三项准备 ============ */
.page-contact .ct-prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ky-line-strong);
  border-block: var(--ct-hair);
}

.page-contact .ct-prep-item {
  background: var(--ky-paper);
  padding: clamp(20px, 2.4vw, 30px);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .ct-prep-item__n {
  margin: 0 0 4px;
  font-family: var(--ky-font-mono);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 48px);
  line-height: .9;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--ky-copper-300);
}

.page-contact .ct-prep-item__t {
  margin: 0;
  font-size: clamp(17px, 1.3vw, 19px);
  font-weight: 500;
  color: var(--ky-karst-800);
}

.page-contact .ct-prep-item__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(20, 24, 26, .76);
}

@media (min-width: 820px) {
  .page-contact .ct-prep-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============ 03 准备单与状态灯 ============ */
.page-contact .prep-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-contact .prep-fields {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-contact .prep-field {
  display: grid;
  gap: 8px;
}

.page-contact .prep-label {
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--ky-karst-400);
}

.page-contact .prep-input {
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ky-ink);
  background: var(--ky-paper-raised);
  border: var(--ct-hair);
  border-radius: 0;
  padding: 12px 14px;
  resize: vertical;
  transition: border-color .18s var(--ky-ease), background .18s var(--ky-ease);
}

.page-contact .prep-input::placeholder {
  color: rgba(120, 137, 143, .9);
}

.page-contact .prep-input:focus {
  outline: 2px solid var(--ky-neon-cyan);
  outline-offset: 1px;
  border-color: var(--ky-neon-cyan);
  background: #fff;
}

.page-contact .prep-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding-top: clamp(4px, 1vw, 10px);
  border-top: var(--ct-hair);
  margin-top: clamp(3px, .8vw, 8px);
  padding-top: clamp(14px, 2vw, 20px);
}

.page-contact .prep-actions .ky-copy {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .prep-side {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  align-content: start;
}

.page-contact .lamp-panel {
  border: var(--ct-hair);
  background: var(--ky-karst-100);
  padding: clamp(16px, 2vw, 24px);
  display: grid;
  gap: 14px;
}

.page-contact .lamp-panel__title {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ky-karst-400);
}

.page-contact .lamp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .lamp-row {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--ky-karst-800);
  padding-bottom: 9px;
  border-bottom: var(--ct-hair);
}

.page-contact .lamp-list .lamp-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .lamp-row__s {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ky-karst-400);
}

.page-contact .lamp {
  width: 14px;
  height: 14px;
  display: block;
  border-radius: 50%;
  transition: background .22s var(--ky-ease), box-shadow .22s var(--ky-ease);
}

.page-contact .lamp--stop {
  background: conic-gradient(from 0deg, var(--ky-signal-stop) 0 58%, transparent 58% 100%);
  box-shadow: inset 0 0 0 1px var(--ky-signal-stop);
}

.page-contact .lamp--warn {
  background: conic-gradient(from 0deg, var(--ky-signal-warn) 0 80%, transparent 80% 100%);
  box-shadow: inset 0 0 0 1px var(--ky-signal-warn);
}

.page-contact .lamp--ok {
  background: var(--ky-signal-ok);
  box-shadow: inset 0 0 0 1px var(--ky-signal-ok);
}

.page-contact .prep-shell:has(#pf-symptom:not(:placeholder-shown)) .lamp--k1,
.page-contact .prep-shell:has(#pf-time:not(:placeholder-shown)) .lamp--k2,
.page-contact .prep-shell:has(#pf-env:not(:placeholder-shown)) .lamp--k3 {
  background: var(--ky-signal-ok);
  box-shadow: inset 0 0 0 1px var(--ky-signal-ok);
}

.page-contact .prep-verdict {
  margin: 0;
  padding-top: 12px;
  border-top: var(--ct-hair);
  display: grid;
  grid-template-columns: 16px 1fr;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ky-karst-800);
}

.page-contact .prep-verdict__t {
  display: none;
}

.page-contact .prep-verdict__t--low {
  display: inline;
}

.page-contact .prep-shell:has(.prep-input:not(:placeholder-shown)) .lamp--all {
  background: conic-gradient(from 0deg, var(--ky-signal-warn) 0 78%, transparent 78% 100%);
  box-shadow: inset 0 0 0 1px var(--ky-signal-warn);
}

.page-contact .prep-shell:has(.prep-input:not(:placeholder-shown)) .prep-verdict__t--low {
  display: none;
}

.page-contact .prep-shell:has(.prep-input:not(:placeholder-shown)) .prep-verdict__t--mid {
  display: inline;
}

.page-contact .prep-shell:not(:has(.prep-input:placeholder-shown)) .lamp--all {
  background: var(--ky-signal-ok);
  box-shadow: inset 0 0 0 1px var(--ky-signal-ok);
}

.page-contact .prep-shell:not(:has(.prep-input:placeholder-shown)) .prep-verdict__t--mid {
  display: none;
}

.page-contact .prep-shell:not(:has(.prep-input:placeholder-shown)) .prep-verdict__t--high {
  display: inline;
}

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

.page-contact .prep-figure .ky-figure__media {
  border: var(--ct-hair);
  background: var(--ky-karst-100);
  overflow: hidden;
}

.page-contact .prep-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .prep-figure .ky-figure__caption {
  margin-top: 10px;
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--ky-karst-400);
}

@media (min-width: 1000px) {
  .page-contact .prep-shell {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
}

/* ============ 04 处理流程 ============ */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--ky-line-strong);
}

.page-contact .flow-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(16px, 2vw, 24px) 0 clamp(16px, 2vw, 24px) clamp(18px, 2.4vw, 32px);
  border-bottom: var(--ct-hair);
}

.page-contact .flow-list .flow-item:last-child {
  border-bottom: 0;
}

.page-contact .flow-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: calc(clamp(16px, 2vw, 24px) + 8px);
  width: 7px;
  height: 7px;
  background: var(--ky-paper);
  border: 1px solid var(--ky-copper-600);
}

.page-contact .flow-item__n {
  font-family: var(--ky-font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ky-copper-600);
  padding-top: 2px;
}

.page-contact .flow-item__body {
  display: grid;
  gap: 6px;
  max-width: 68ch;
}

.page-contact .flow-item__t {
  margin: 0;
  font-size: clamp(16px, 1.25vw, 18.5px);
  font-weight: 500;
  color: var(--ky-karst-800);
}

.page-contact .flow-item__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(20, 24, 26, .76);
}

/* ============ 05 官方渠道 ============ */
.page-contact .chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .chan-card {
  background: var(--ky-paper-raised);
  border: var(--ct-hair);
  border-top: 3px solid var(--ky-copper-600);
  padding: clamp(20px, 2.4vw, 30px);
  display: grid;
  gap: 13px;
  align-content: start;
}

.page-contact .chan-card__tag {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ky-copper-600);
}

.page-contact .chan-card__value {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-weight: 700;
  font-size: clamp(17px, 1.7vw, 23px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ky-karst-800);
  word-break: break-word;
}

.page-contact .chan-card__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(20, 24, 26, .76);
}

.page-contact .chan-card__foot {
  margin: 0;
  padding-top: 12px;
  border-top: var(--ct-copper-line);
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ky-karst-400);
}

.page-contact .chan-card .ky-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .chan-note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(20, 24, 26, .72);
}

.page-contact .chan-note a {
  color: var(--ky-copper-600);
  text-decoration: none;
  border-bottom: 1px solid var(--ky-neon-cyan);
  padding-bottom: 1px;
}

.page-contact .chan-note a:hover {
  color: var(--ky-karst-800);
}

@media (min-width: 800px) {
  .page-contact .chan-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============ 06 联系地址 ============ */
.page-contact .addr-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-contact .addr-body {
  display: grid;
  gap: 12px;
}

.page-contact .addr-dl {
  margin: clamp(6px, 1.2vw, 12px) 0 0;
  display: grid;
  gap: 0;
  border-top: var(--ct-hair);
}

.page-contact .addr-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: var(--ct-hair);
}

.page-contact .addr-row dt {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ky-karst-400);
}

.page-contact .addr-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ky-karst-800);
}

.page-contact .addr-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(20, 24, 26, .72);
  max-width: 60ch;
}

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

.page-contact .addr-figure .ky-figure__media {
  border: var(--ct-hair);
  background: var(--ky-karst-100);
  overflow: hidden;
}

.page-contact .addr-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .addr-figure .ky-figure__caption {
  margin-top: 10px;
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--ky-karst-400);
}

@media (min-width: 900px) {
  .page-contact .addr-shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
  .page-contact .addr-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

/* ============ 收尾 ============ */
.page-contact .ct-tail {
  margin-top: clamp(20px, 3vw, 34px);
  background:
    radial-gradient(90% 130% at 88% 0%, rgba(122, 92, 255, .22), transparent 58%),
    linear-gradient(180deg, #2A1A0F, #22150A);
  color: var(--ky-paper);
  padding-block: clamp(30px, 4vw, 52px);
}

.page-contact .ct-tail__inner {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  align-items: center;
}

.page-contact .ct-tail__text {
  display: grid;
  gap: 10px;
}

.page-contact .ct-tail__q {
  margin: 0;
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(19px, 2.2vw, 28px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ky-paper);
  max-width: 44ch;
}

.page-contact .ct-tail__meta {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: rgba(224, 172, 99, .8);
}

.page-contact .ct-tail__act {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-contact .ct-tail__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

/* ============ 减少动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-card,
  .page-contact .prep-input,
  .page-contact .lamp {
    transition: none;
  }
  .page-contact .fb-card:hover,
  .page-contact .fb-card:focus-within {
    transform: none;
  }
}