.page-contact {
  --ct-line: rgba(17, 24, 21, 0.12);
  --ct-soft: rgba(17, 24, 21, 0.66);
  --ct-card: #FFFDF7;
  background: var(--ivory);
  color: var(--ink);
}

.page-contact .ct-crumb {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-contact .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--gold-deep);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--green-800);
}

.page-contact .ct-mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.02em;
}

/* ── 首屏 ── */
.page-contact .ct-hero {
  padding: clamp(20px, 3.4vw, 40px) 0 clamp(44px, 6vw, 84px);
  background:
    radial-gradient(980px 460px at 82% -14%, rgba(201, 164, 92, 0.18), transparent 64%),
    linear-gradient(180deg, var(--ivory) 0%, #EFE7D6 74%, var(--paper) 100%);
}

.page-contact .ct-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-contact h1 {
  margin: 0.4em 0 0.5em;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(32px, 5.4vw, 62px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--green-900);
}

.page-contact .ct-lede {
  max-width: 40em;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--ct-soft);
}

.page-contact .ct-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* 收藏卡 */
.page-contact .ct-fav-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(26px, 3.2vw, 40px);
  background: var(--ct-card);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 22px 46px -34px rgba(11, 59, 50, 0.6);
}

.page-contact .ct-fav-card > img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
}

.page-contact .ct-fav-body {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
}

.page-contact .ct-fav-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--green-800);
}

.page-contact .ct-fav-text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ct-soft);
}

.page-contact .ct-fav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-contact .ct-fav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border: 1px solid var(--gold);
  border-radius: var(--radius-pill);
  background: #FFFFFF;
  color: var(--green-800);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur-state) var(--ease-soft),
              color var(--dur-state) var(--ease-soft),
              border-color var(--dur-state) var(--ease-soft);
}

.page-contact .ct-fav-btn-on {
  display: none;
}

.page-contact .ct-fav-toggle:checked ~ .ct-fav-btn {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  border-color: var(--gold-deep);
  color: var(--green-950);
}

.page-contact .ct-fav-toggle:checked ~ .ct-fav-btn .ct-fav-btn-off {
  display: none;
}

.page-contact .ct-fav-toggle:checked ~ .ct-fav-btn .ct-fav-btn-on {
  display: inline;
}

.page-contact .ct-fav-toggle:focus-visible ~ .ct-fav-btn {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

.page-contact .ct-fav-tip {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--gold-deep);
}

.page-contact .ct-fav-tip-on {
  display: none;
}

.page-contact .ct-fav-toggle:checked ~ .ct-fav-tip-off {
  display: none;
}

.page-contact .ct-fav-toggle:checked ~ .ct-fav-tip-on {
  display: block;
}

/* 联系卡 */
.page-contact .ct-contact-card {
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(175deg, var(--green-800), var(--green-900));
  border: 1px solid rgba(201, 164, 92, 0.32);
  border-radius: var(--radius-lg);
  color: var(--ivory);
}

.page-contact .ct-contact-card > img {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-contact .ct-contact-card-title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--ivory);
}

.page-contact .ct-contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-contact .ct-contact-list > div {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(201, 164, 92, 0.28);
}

.page-contact .ct-contact-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .ct-contact-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  word-break: break-word;
  color: var(--ivory);
}

.page-contact .ct-contact-list dd.ct-dd-sans {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-contact .ct-contact-note {
  margin: 16px 0 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(245, 239, 226, 0.74);
}

.page-contact .ct-contact-card .version-chip {
  display: inline-block;
  margin-top: 4px;
}

/* ── 填写指南 ── */
.page-contact .ct-guide {
  padding: clamp(46px, 6.4vw, 92px) 0;
  background: var(--ivory);
}

.page-contact .ct-guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 44px);
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-contact .ct-guide-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-guide-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-guide-list li:last-child {
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-num {
  grid-row: span 2;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-contact .ct-guide-list h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--green-800);
}

.page-contact .ct-guide-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ct-soft);
}

.page-contact .ct-form-card {
  padding: clamp(20px, 3vw, 32px);
  background: var(--paper);
  border: 1px solid rgba(140, 106, 54, 0.24);
  border-radius: var(--radius-lg);
}

.page-contact .ct-form-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--green-800);
}

.page-contact .ct-form-lede {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-soft);
}

.page-contact .ct-field {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.page-contact .ct-field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-contact .ct-field input,
.page-contact .ct-field select,
.page-contact .ct-field textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 11px 13px;
  border: 1px solid rgba(17, 24, 21, 0.16);
  border-radius: var(--radius-xs);
  background: var(--ct-card);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .ct-field textarea {
  min-height: 108px;
  resize: vertical;
}

.page-contact .ct-field input:focus,
.page-contact .ct-field select:focus,
.page-contact .ct-field textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
  border-color: var(--gold);
}

.page-contact .ct-form-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(140, 106, 54, 0.34);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ct-soft);
}

/* ── 客服渠道 ── */
.page-contact .ct-channels {
  padding: clamp(46px, 6.4vw, 92px) 0;
}

.page-contact .ct-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-contact .ct-channel {
  padding: 22px;
  background: var(--ct-card);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-md);
}

.page-contact .ct-channel-key {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.02em;
  word-break: break-word;
  color: var(--green-800);
}

.page-contact .ct-channel-key--sans {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15.5px;
  line-height: 1.6;
}

.page-contact .ct-channel p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ct-soft);
}

.page-contact .ct-channel-foot {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
  background: rgba(245, 239, 226, 0.66);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--green-800);
}

/* ── 四步流程 ── */
.page-contact .ct-flow {
  padding: clamp(46px, 6.4vw, 92px) 0;
  background: linear-gradient(180deg, var(--green-900), var(--green-800));
  color: var(--ivory);
}

.page-contact .ct-flow .section-title {
  color: var(--ivory);
}

.page-contact .ct-flow .section-lede {
  color: rgba(245, 239, 226, 0.72);
}

.page-contact .ct-flow .exhibit-label {
  color: var(--gold);
}

.page-contact .ct-flow-track {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  padding-left: 26px;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 164, 92, 0.18));
}

.page-contact .ct-step::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 0 4px rgba(242, 199, 110, 0.14);
}

.page-contact .ct-step .fold {
  padding: 14px 18px;
  background: rgba(245, 239, 226, 0.05);
  border: 1px solid rgba(201, 164, 92, 0.28);
  border-radius: var(--radius-md);
}

.page-contact .ct-step .fold-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  color: var(--ivory);
}

.page-contact .ct-step .fold-summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-step .fold-summary::marker {
  content: "";
}

.page-contact .ct-step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .ct-step .fold-body p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(245, 239, 226, 0.78);
}

/* ── 常见反馈类型 ── */
.page-contact .ct-types {
  padding: clamp(46px, 6.4vw, 92px) 0;
  background: var(--ivory);
}

.page-contact .ct-type-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-contact .ct-type {
  display: block;
  padding: 22px;
  background: var(--ct-card);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur-state) var(--ease-soft),
              box-shadow var(--dur-state) var(--ease-soft),
              border-color var(--dur-state) var(--ease-soft);
}

.page-contact .ct-type:hover,
.page-contact .ct-type:focus-visible {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: 0 22px 38px -30px rgba(11, 59, 50, 0.62);
}

.page-contact .ct-type-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

.page-contact .ct-type h3 {
  margin: 10px 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--green-800);
}

.page-contact .ct-type p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ct-soft);
}

.page-contact .ct-type-go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-contact .ct-type:hover .ct-type-go {
  color: var(--green-800);
}

.page-contact .ct-tail {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(140, 106, 54, 0.34);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .ct-tail a {
  color: var(--green-800);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-contact .ct-tail a:hover {
  border-bottom-color: var(--gold-deep);
}

/* ── 响应式 ── */
@media (min-width: 640px) {
  .page-contact .ct-fav-card {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 0.86fr);
  }

  .page-contact .ct-guide-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

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

@media (min-width: 860px) {
  .page-contact .ct-flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-step {
    padding-left: 0;
    padding-top: 24px;
  }

  .page-contact .ct-step::before {
    left: 0;
    right: 0;
    top: 0;
    bottom: auto;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), rgba(201, 164, 92, 0.2));
  }

  .page-contact .ct-step::after {
    left: 0;
    top: -4px;
  }
}

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

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

  .page-contact .ct-type:hover,
  .page-contact .ct-type:focus-visible {
    transform: none;
  }
}