.page-contact {
  --cc-line: rgba(220, 231, 225, .16);
  --cc-soft: rgba(220, 231, 225, .78);
  --cc-cut: 16px;
  --cc-shadow: 5px 5px 0 rgba(0, 0, 0, .5);
  background: var(--ink);
  color: var(--line);
  font-family: var(--font-display);
  overflow-x: clip;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  position: relative;
  padding: clamp(48px, 7vw, 96px) 0;
}
.page-contact .section--tight {
  padding: clamp(32px, 4.6vw, 62px) 0;
}
.page-contact .section--grass {
  background:
    linear-gradient(180deg, rgba(23, 57, 46, .9), rgba(14, 36, 29, .96));
  border-top: var(--frame) solid var(--cc-line);
  border-bottom: var(--frame) solid var(--cc-line);
}
.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3vw, 40px);
}
.page-contact .section-head h2 {
  font-size: clamp(1.55rem, 3.9vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -.012em;
}
.page-contact .section-head__lead {
  margin-top: 14px;
  color: var(--cc-soft);
  line-height: 1.75;
}
.page-contact .section--paper .section-head__lead {
  color: rgba(16, 22, 15, .74);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.6vw, 30px) 0 clamp(38px, 5.6vw, 74px);
  background:
    radial-gradient(120% 92% at 80% 6%, rgba(242, 179, 61, .1), transparent 62%),
    linear-gradient(164deg, var(--grass) 0%, var(--ink) 74%);
  border-bottom: var(--frame) solid var(--cc-line);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, var(--cc-line) 0 1px, transparent 1px 54px),
    repeating-linear-gradient(90deg, var(--cc-line) 0 1px, transparent 1px 54px);
  opacity: .55;
  pointer-events: none;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 44%;
  background: linear-gradient(180deg, rgba(242, 179, 61, .07), rgba(87, 211, 198, .05));
  clip-path: polygon(36% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  font-size: 13px;
  color: rgba(220, 231, 225, .6);
  letter-spacing: .02em;
}
.page-contact .breadcrumb a {
  color: rgba(220, 231, 225, .88);
  text-decoration: none;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 36px);
}
.page-contact .contact-hero__copy h1 {
  margin-top: 12px;
  font-size: clamp(2.1rem, 6.6vw, 5.1rem);
  line-height: 1.02;
  letter-spacing: -.022em;
  color: #FFFFFF;
}
.page-contact .contact-hero__lead {
  margin-top: clamp(16px, 2vw, 24px);
  max-width: 44ch;
  font-size: clamp(1rem, 1.1vw, 1.115rem);
  line-height: 1.82;
  color: rgba(220, 231, 225, .85);
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 32px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  background: var(--grass-mid);
  border: var(--frame) solid var(--cc-line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  filter: drop-shadow(8px 8px 0 rgba(0, 0, 0, .62));
}
.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(.6) contrast(1.06) brightness(.88);
}
.page-contact .contact-hero__figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(220, 231, 225, .66);
  background: var(--ink);
  border-top: 1px dashed var(--cc-line);
}

.page-contact .contact-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: clamp(28px, 4vw, 50px) 0 0;
  padding-top: clamp(18px, 2.4vw, 28px);
  border-top: 1px dashed var(--cc-line);
}
.page-contact .contact-hero__stats > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-contact .contact-hero__stats dt {
  font-size: 13px;
  letter-spacing: .09em;
  color: rgba(220, 231, 225, .6);
}
.page-contact .contact-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.1vw, 1.55rem);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  line-height: 1.25;
}

/* ---------- 两条路径 ---------- */
.page-contact .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 28px);
}
.page-contact .path-card {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(158deg, var(--grass-mid), var(--grass));
  border: var(--frame) solid var(--cc-line);
  border-left: 4px solid var(--amber);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
  filter: drop-shadow(5px 5px 0 rgba(0, 0, 0, .52));
}
.page-contact .path-card--service {
  border-left-color: var(--cyan);
}
.page-contact .path-card__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--amber);
}
.page-contact .path-card--service .path-card__tag {
  background: var(--cyan);
}
.page-contact .path-card h3 {
  font-size: clamp(1.15rem, 1.9vw, 1.5rem);
  line-height: 1.3;
  color: #FFFFFF;
}
.page-contact .path-card p {
  margin-top: 12px;
  color: var(--cc-soft);
  line-height: 1.78;
}
.page-contact .path-card ul {
  margin: 16px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-contact .path-card li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.66;
  color: rgba(220, 231, 225, .82);
}
.page-contact .path-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 2px;
  background: var(--amber);
}
.page-contact .path-card--service li::before {
  background: var(--cyan);
}

/* ---------- 筛选 ---------- */
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.page-contact .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: rgba(220, 231, 225, .78);
  background: transparent;
  border: var(--frame) solid var(--cc-line);
  cursor: pointer;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.page-contact .filter-btn:hover {
  border-color: var(--amber);
  color: #FFFFFF;
}
.page-contact .filter-btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}
.page-contact .filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  opacity: .72;
}
.page-contact .filter-status {
  min-height: 1.1em;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  color: rgba(220, 231, 225, .6);
}
.page-contact .filter-empty {
  margin-top: 22px;
  padding: 22px;
  font-size: 15px;
  color: rgba(220, 231, 225, .72);
  border: 1px dashed var(--cc-line);
}

/* ---------- 合作方向卡片 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 26px);
}
.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(160deg, var(--grass-mid), var(--grass));
  border: var(--frame) solid var(--cc-line);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
  filter: drop-shadow(5px 5px 0 rgba(0, 0, 0, .5));
  transition: filter .16s ease, border-color .16s ease;
}
.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  filter: drop-shadow(2px 2px 0 rgba(0, 0, 0, .55));
  border-color: rgba(242, 179, 61, .55);
}
.page-contact .coop-card h3 {
  font-size: clamp(1.08rem, 1.6vw, 1.32rem);
  line-height: 1.3;
  color: #FFFFFF;
}
.page-contact .coop-card > p {
  color: var(--cc-soft);
  line-height: 1.76;
  font-size: 15.5px;
}
.page-contact .coop-card__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--cc-line);
  display: grid;
  gap: 8px;
}
.page-contact .coop-card__meta > div {
  display: grid;
  gap: 2px;
}
.page-contact .coop-card__meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--moss);
}
.page-contact .coop-card__meta dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(220, 231, 225, .84);
}

/* ---------- 流程刻度 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}
.page-contact .flow-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--grass);
  border: var(--frame) solid var(--cc-line);
  border-left: 3px solid var(--amber);
  transition: background .2s ease, border-left-color .2s ease;
}
.page-contact .flow-step:hover {
  background: var(--grass-mid);
  border-left-color: var(--cyan);
}
.page-contact .flow-step__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  line-height: .9;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  color: var(--amber);
}
.page-contact .flow-step__body h3 {
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  color: #FFFFFF;
}
.page-contact .flow-step__time {
  display: inline-block;
  margin: 10px 0 12px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--cyan);
  border: 1px dashed rgba(87, 211, 198, .45);
}
.page-contact .flow-step__body p {
  color: var(--cc-soft);
  line-height: 1.78;
}
.page-contact .flow-step__note {
  margin-top: 12px;
  padding-left: 14px;
  font-size: 14.5px;
  color: rgba(220, 231, 225, .6);
  border-left: 2px solid rgba(220, 231, 225, .16);
}
.page-contact .flow-step:hover .flow-step__note {
  color: rgba(220, 231, 225, .82);
  border-left-color: var(--amber);
}

/* ---------- 材料卡片 ---------- */
.page-contact .material-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
}
.page-contact .material-card {
  padding: clamp(20px, 2.6vw, 30px);
  background: #FBF5E9;
  border: var(--frame) solid var(--paper-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cc-cut)), calc(100% - var(--cc-cut)) 100%, 0 100%);
  filter: drop-shadow(5px 5px 0 rgba(16, 22, 15, .22));
}
.page-contact .material-card__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-ink);
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}
.page-contact .material-card h3 {
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
  color: var(--paper-ink);
}
.page-contact .material-card p {
  margin-top: 10px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(16, 22, 15, .82);
}

/* ---------- 客服渠道 ---------- */
.page-contact .contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}
.page-contact .channel-card {
  padding: clamp(22px, 2.8vw, 32px);
  background: linear-gradient(150deg, var(--grass-mid), var(--grass));
  border: var(--frame) solid var(--cc-line);
  clip-path: polygon(0 0, calc(100% - var(--cc-cut)) 0, 100% var(--cc-cut), 100% 100%, 0 100%);
  filter: drop-shadow(5px 5px 0 rgba(0, 0, 0, .5));
}
.page-contact .channel-card + .channel-card {
  margin-top: clamp(16px, 2.2vw, 24px);
}
.page-contact .channel-card h3 {
  margin-top: 12px;
  font-size: clamp(1.08rem, 1.7vw, 1.32rem);
  color: #FFFFFF;
}
.page-contact .channel-card__value {
  margin: 10px 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.42rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.005em;
  color: var(--amber);
  overflow-wrap: anywhere;
}
.page-contact .channel-card p {
  color: var(--cc-soft);
  line-height: 1.78;
  font-size: 15.5px;
}
.page-contact .channel-card__meta {
  margin-top: 14px;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--moss);
  border-top: 1px dashed var(--cc-line);
}
.page-contact .contact-channels__figure {
  margin: 0;
  border: var(--frame) solid var(--cc-line);
  background: var(--grass-mid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  filter: drop-shadow(6px 6px 0 rgba(0, 0, 0, .5));
}
.page-contact .contact-channels__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(.6) contrast(1.05) brightness(.88);
}
.page-contact .contact-channels__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(220, 231, 225, .62);
  background: var(--ink);
  border-top: 1px dashed var(--cc-line);
}

/* ---------- 通信与来访 ---------- */
.page-contact .visit-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(22px, 3vw, 38px);
  background: var(--grass);
  border: var(--frame) solid var(--cc-line);
  border-top: 3px solid var(--amber);
}
.page-contact .visit-block__address h2 {
  font-size: clamp(1.35rem, 3vw, 2.1rem);
  line-height: 1.2;
}
.page-contact .visit-block__addr {
  margin: 18px 0 16px;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.9vw, 1.28rem);
  line-height: 1.5;
  color: var(--cyan);
  border-left: 3px solid var(--cyan);
}
.page-contact .visit-block__address p {
  color: var(--cc-soft);
  line-height: 1.78;
}
.page-contact .visit-block__notes {
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(23, 57, 46, .72);
  border: 1px dashed var(--cc-line);
}
.page-contact .visit-block__notes h3 {
  font-size: 1.05rem;
  color: var(--amber);
}
.page-contact .visit-block__notes ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .visit-block__notes li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.68;
  color: rgba(220, 231, 225, .82);
}
.page-contact .visit-block__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 常见问题 ---------- */
.page-contact .faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-contact .faq-item {
  background: rgba(23, 57, 46, .5);
  border: var(--frame) solid var(--cc-line);
  transition: background .18s ease;
}
.page-contact .faq-item:hover {
  background: rgba(23, 57, 46, .82);
}
.page-contact .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 20px;
  font-size: clamp(1rem, 1.3vw, 1.075rem);
  font-weight: 650;
  line-height: 1.55;
  color: var(--line);
  cursor: pointer;
  list-style: none;
}
.page-contact .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-contact .faq-item summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15em;
  line-height: 1.3;
  color: var(--amber);
}
.page-contact .faq-item[open] summary::before {
  content: "–";
}
.page-contact .faq-item[open] summary {
  border-bottom: 1px dashed var(--cc-line);
}
.page-contact .faq-item summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}
.page-contact .faq-item p {
  margin: 0;
  padding: 16px 20px 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--cc-soft);
}
.page-contact .faq-tail {
  margin-top: clamp(20px, 2.6vw, 30px);
  padding-top: 18px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(220, 231, 225, .7);
  border-top: 1px dashed var(--cc-line);
}

/* ---------- 底部行动块 ---------- */
.page-contact .contact-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(26px, 3.6vw, 44px);
  background: linear-gradient(118deg, var(--amber) 0%, #E5A227 100%);
  color: var(--paper-ink);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.page-contact .contact-cta h2 {
  font-size: clamp(1.3rem, 2.7vw, 2.05rem);
  line-height: 1.2;
  color: var(--paper-ink);
}
.page-contact .contact-cta p {
  margin-top: 12px;
  line-height: 1.76;
  color: rgba(16, 22, 15, .84);
}
.page-contact .contact-cta .inline-link {
  color: var(--paper-ink);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .contact-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .contact-cta .btn {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: none;
}
.page-contact .contact-cta .btn:hover {
  background: #050C0A;
}
.page-contact .contact-cta .btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-contact .contact-hero__stats > div {
    padding-right: 18px;
    border-right: 1px dashed var(--cc-line);
  }
  .page-contact .contact-hero__stats > div:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

@media (min-width: 760px) {
  .page-contact .flow-step {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 40px);
    align-items: start;
  }
  .page-contact .material-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .faq-list {
    gap: 14px;
  }
}

@media (min-width: 860px) {
  .page-contact .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .visit-block {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
  .page-contact .contact-cta {
    grid-template-columns: minmax(0, 7fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
  .page-contact .coop-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-contact .coop-card:nth-child(1) {
    grid-column: span 4;
  }
  .page-contact .coop-card:nth-child(2) {
    grid-column: span 2;
  }
  .page-contact .coop-card:nth-child(3) {
    grid-column: span 2;
  }
  .page-contact .coop-card:nth-child(4) {
    grid-column: span 4;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-channels {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-contact .contact-channels__figure {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .flow-step,
  .page-contact .faq-item,
  .page-contact .filter-btn {
    transition: none;
  }
}