.page-contact {
  --cut: 22px;
  --contact-line: rgba(200, 162, 74, 0.28);
  --contact-line-soft: rgba(200, 162, 74, 0.14);
  background: var(--paper-100);
  color: var(--graphite);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 44px) 0 60px;
  background:
    radial-gradient(120% 90% at 10% 0%, #14324f 0%, rgba(11, 27, 43, 0) 62%),
    linear-gradient(162deg, var(--ink-900) 0%, #07131e 100%);
  color: var(--paper-100);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -14%;
  width: min(70%, 760px);
  height: 130%;
  background: repeating-linear-gradient(115deg, rgba(200, 162, 74, 0.16) 0 1px, transparent 1px 30px);
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 40px);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--gold-300);
  border-color: var(--gold-500);
}

.page-contact .breadcrumb span[aria-current="page"] {
  color: var(--gold-300);
}

.page-contact .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.page-contact .eyebrow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 20px;
  background: var(--cinnabar);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .hero-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 4.1rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--paper-100);
}

.page-contact .hero-lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.82);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.page-contact .btn-outline {
  border: 1px solid var(--contact-line);
  color: var(--paper-100);
  background: transparent;
}

.page-contact .hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 36em;
}

.page-contact .hero-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 241, 231, 0.74);
}

.page-contact .dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 8px;
  transform: rotate(45deg);
}

.page-contact .dot--celadon { background: var(--celadon); }
.page-contact .dot--gold { background: var(--gold-500); }
.page-contact .dot--cinnabar { background: var(--cinnabar); }

.page-contact .hero-media {
  margin: 0;
  background: linear-gradient(150deg, #12314c, #0a1a29);
  border: 1px solid var(--contact-line-soft);
}

.page-contact .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .media-caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--mist);
  border-top: 1px solid var(--contact-line-soft);
}

.page-contact .hero-status {
  position: relative;
  padding: 22px 20px 24px;
  background: rgba(20, 50, 79, 0.72);
  border: 1px solid var(--contact-line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-contact .status-head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-contact .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 4px rgba(95, 158, 143, 0.2);
}

.page-contact .status-time {
  margin: 0 0 14px;
  font-size: 20px;
  color: var(--gold-300);
  letter-spacing: 0.02em;
}

.page-contact .status-text {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(246, 241, 231, 0.78);
}

.page-contact .status-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 14px 0 0;
  border-top: 1px solid var(--contact-line-soft);
  display: grid;
  gap: 9px;
}

.page-contact .status-list li {
  position: relative;
  padding-left: 15px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(246, 241, 231, 0.72);
}

.page-contact .status-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 1px;
  background: var(--gold-500);
}

.page-contact .status-link {
  display: inline-block;
  font-size: 13px;
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-line);
  padding-bottom: 2px;
}

.page-contact .status-link:hover,
.page-contact .status-link:focus-visible {
  color: #fff;
  border-color: var(--gold-300);
}

/* ============ 通用区块 ============ */
.page-contact .contact-section {
  padding: clamp(48px, 8vw, 92px) 0;
}

.page-contact .section-head {
  max-width: 48rem;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-contact .section-head--light .section-title {
  color: var(--paper-100);
}

.page-contact .section-head--light .section-lead {
  color: rgba(246, 241, 231, 0.75);
}

.page-contact .section-title {
  font-family: var(--font-serif);
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--ink-900);
  line-height: 1.25;
}

.page-contact .section-lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: #4a5158;
}

/* ============ 联系渠道卡 ============ */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 22px 26px;
  background: #fff;
  border: 1px solid var(--paper-gray);
  border-left: 3px solid var(--gold-500);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px) rotate(-0.25deg);
  border-color: var(--gold-500);
  box-shadow: 0 14px 30px -22px rgba(11, 27, 43, 0.6);
}

.page-contact .channel-card--accent {
  background: var(--ink-900);
  border-color: var(--ink-700);
  border-left-color: var(--cinnabar);
}

.page-contact .channel-card--accent .channel-tag,
.page-contact .channel-card--accent .channel-use {
  color: rgba(246, 241, 231, 0.7);
}

.page-contact .channel-card--accent .channel-title {
  color: var(--paper-100);
}

.page-contact .channel-card--accent .channel-value {
  color: var(--gold-300);
}

.page-contact .channel-tag {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .channel-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-contact .channel-value {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-line);
  word-break: break-all;
}

.page-contact .channel-value:hover,
.page-contact .channel-value:focus-visible {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

.page-contact .channel-value--plain {
  border-bottom: none;
  color: var(--ink-900);
}

.page-contact .channel-use {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #5a6169;
}

/* ============ 反馈入口 ============ */
.page-contact .feedback-section {
  background:
    linear-gradient(180deg, var(--ink-900) 0%, #0a1826 100%);
  color: var(--paper-100);
}

.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .feedback-copy .section-title {
  color: var(--paper-100);
}

.page-contact .feedback-copy .section-lead {
  color: rgba(246, 241, 231, 0.78);
}

.page-contact .feedback-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--celadon);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(246, 241, 231, 0.7);
}

.page-contact .fb-widget {
  border: 1px solid var(--contact-line);
  background: rgba(20, 50, 79, 0.55);
  padding: 20px 18px 22px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .fb-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--contact-line-soft);
}

.page-contact .fb-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .fb-chip {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(246, 241, 231, 0.72);
  background: transparent;
  border: 1px solid rgba(143, 166, 184, 0.4);
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .fb-chip:hover {
  color: #fff;
  border-color: var(--gold-500);
}

.page-contact .fb-radio:focus-visible + .fb-chip {
  outline: 2px solid var(--gold-300);
  outline-offset: 3px;
}

.page-contact #fbtype-service:checked + .fb-chip,
.page-contact #fbtype-device:checked + .fb-chip,
.page-contact #fbtype-price:checked + .fb-chip {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--ink-900);
  font-weight: 700;
}

.page-contact .fb-panel {
  display: none;
}

.page-contact .fb-panel--service {
  display: block;
}

.page-contact .fb-widget:has(#fbtype-device:checked) .fb-panel--service,
.page-contact .fb-widget:has(#fbtype-price:checked) .fb-panel--service {
  display: none;
}

.page-contact .fb-widget:has(#fbtype-device:checked) .fb-panel--device,
.page-contact .fb-widget:has(#fbtype-price:checked) .fb-panel--price {
  display: block;
}

.page-contact .fb-panel-title {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--celadon);
  letter-spacing: 0.02em;
}

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

.page-contact .fb-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.8);
}

.page-contact .fb-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--gold-500);
}

/* ============ 四步闭环 ============ */
.page-contact .loop-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .loop-step {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  padding: 20px 16px 20px 0;
  border-top: 1px solid var(--paper-gray);
  transition: background 0.3s var(--ease);
}

.page-contact .loop-step:last-child {
  border-bottom: 1px solid var(--paper-gray);
}

.page-contact .loop-step:hover,
.page-contact .loop-step:focus-within {
  background: rgba(200, 162, 74, 0.06);
}

.page-contact .loop-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 32px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  background: var(--gold-300);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-contact .loop-step--done .loop-num {
  background: var(--celadon);
  color: #fff;
}

.page-contact .loop-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-contact .loop-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #535a61;
  max-width: 44em;
}

/* ============ 吉林本地 ============ */
.page-contact .jilin-section {
  background: linear-gradient(180deg, var(--paper-100) 0%, #efe8db 100%);
}

.page-contact .jilin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-contact .jilin-media {
  margin: 0;
  background: linear-gradient(150deg, var(--ink-700), var(--ink-900));
  border: 1px solid var(--paper-gray);
}

.page-contact .jilin-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .jilin-media .media-caption {
  color: #4d545b;
  border-top-color: var(--paper-gray);
  background: rgba(255, 255, 255, 0.7);
}

.page-contact .jilin-facts {
  margin: 26px 0 28px;
  display: grid;
  gap: 18px;
}

.page-contact .fact {
  padding-left: 16px;
  border-left: 2px solid var(--gold-500);
}

.page-contact .fact dt {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 800;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.page-contact .fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #535a61;
}

.page-contact .jilin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .jilin-actions .btn-outline {
  border: 1px solid var(--ink-700);
  color: var(--ink-900);
}

.page-contact .jilin-actions .btn-ghost {
  color: var(--cinnabar);
  border-bottom: 1px solid var(--cinnabar);
}

/* ============ 合作与批量 ============ */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .partner-card {
  padding: 24px 22px;
  background: rgba(246, 241, 231, 0.04);
  border: 1px solid rgba(143, 166, 184, 0.25);
  border-top: 2px solid var(--gold-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .partner-card:hover {
  background: rgba(246, 241, 231, 0.08);
  border-color: var(--gold-500);
}

.page-contact .partner-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 800;
  color: var(--paper-100);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 241, 231, 0.76);
}

.page-contact .partner-meta {
  margin-top: 14px !important;
  font-size: 12px !important;
  letter-spacing: 0.04em;
  color: var(--mist) !important;
}

.page-contact .partner-contact {
  margin-top: 14px !important;
  padding-top: 14px;
  border-top: 1px dashed var(--contact-line-soft);
}

.page-contact .partner-contact a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-line);
  word-break: break-all;
}

.page-contact .partner-contact a:hover,
.page-contact .partner-contact a:focus-visible {
  color: #fff;
  border-color: var(--gold-300);
}

/* ============ 渠道说明 ============ */
.page-contact .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .guide-item {
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--paper-gray);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .guide-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-contact .guide-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink-900);
  line-height: 1.45;
}

.page-contact .guide-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #5a6169;
}

.page-contact .guide-tail {
  margin-top: 22px;
  padding: 22px 20px;
  background: rgba(95, 158, 143, 0.1);
  border-left: 3px solid var(--celadon);
}

.page-contact .guide-tail-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-contact .guide-tail p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: #4d545b;
}

.page-contact .guide-tail a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
}

.page-contact .guide-tail a:hover,
.page-contact .guide-tail a:focus-visible {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

/* ============ 收束联系条 ============ */
.page-contact .contact-strip {
  padding: clamp(36px, 6vw, 56px) 0 clamp(46px, 7vw, 70px);
  background: var(--paper-100);
}

.page-contact .contact-strip-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(24px, 4vw, 36px);
  background: var(--ink-900);
  border-top: 3px solid var(--gold-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  color: var(--paper-100);
}

.page-contact .strip-eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-500);
}

.page-contact .strip-title {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--paper-100);
}

.page-contact .strip-lines {
  display: grid;
  gap: 10px;
}

.page-contact .strip-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(143, 166, 184, 0.18);
  text-decoration: none;
  color: var(--paper-100);
  transition: color 0.25s var(--ease);
}

.page-contact .strip-line:hover,
.page-contact .strip-line:focus-visible {
  color: var(--gold-300);
}

.page-contact .strip-k {
  min-width: 72px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .strip-line .mono {
  font-size: 14px;
  word-break: break-all;
}

.page-contact .strip-side {
  padding: 18px 0 0;
  border-top: 1px solid rgba(143, 166, 184, 0.18);
}

.page-contact .strip-side-title {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-contact .strip-side-time {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--gold-300);
}

.page-contact .strip-side-text {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(246, 241, 231, 0.76);
}

.page-contact .strip-side-note {
  margin: 0 0 18px;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.6);
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .partner-card--wide {
    grid-column: 1 / -1;
  }

  .page-contact .contact-strip-inner {
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
  }

  .page-contact .strip-side {
    padding: 0 0 0 28px;
    border-top: none;
    border-left: 1px solid rgba(143, 166, 184, 0.18);
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: 5fr 4fr 3fr;
    gap: clamp(20px, 2.4vw, 34px);
  }

  .page-contact .hero-media {
    margin-top: 34px;
  }

  .page-contact .hero-status {
    margin-top: 66px;
  }

  .page-contact .feedback-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .jilin-grid {
    grid-template-columns: 1fr 1.1fr;
  }

  .page-contact .loop-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-contact .loop-step {
    grid-template-columns: 1fr;
    padding: 26px 18px 26px 0;
    border-bottom: 1px solid var(--paper-gray);
  }

  .page-contact .loop-step + .loop-step {
    padding-left: 18px;
    border-left: 1px solid var(--paper-gray);
  }

  .page-contact .loop-num {
    margin-bottom: 14px;
  }
}

@media (min-width: 1180px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .guide-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .partner-card,
  .page-contact .loop-step,
  .page-contact .strip-line {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}