.page-contact {
  --contact-sticky-top: 104px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(24px, 5vw, 52px) 0 clamp(18px, 3vw, 32px);
  border-bottom: 1px solid var(--c-line);
  background:
    linear-gradient(135deg, rgba(0, 160, 122, 0.06) 0%, rgba(14, 76, 146, 0.05) 42%, transparent 72%),
    var(--c-paper);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 16px;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  max-width: 18ch;
}

.page-contact .contact-hero__lead {
  max-width: 52ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-ink);
}

.page-contact .contact-hero__lead b {
  font-weight: 700;
  color: var(--c-plateau);
  box-shadow: inset 0 -0.55em 0 rgba(255, 176, 33, 0.35);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  background: var(--c-card);
  border-left: 3px solid var(--c-peacock);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-contact .contact-fact__num {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-plateau);
}

.page-contact .contact-fact__txt {
  font-size: 13px;
  color: var(--c-steel);
}

/* ---------- 分屏主体 ---------- */
.page-contact .contact-main {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .contact-form {
  padding: clamp(20px, 3vw, 32px);
  background: var(--c-card);
  border-top: 4px solid var(--c-plateau);
}

.page-contact .contact-form__title {
  margin: 0 0 10px;
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  font-weight: 800;
  color: var(--c-ink);
}

.page-contact .contact-form__intro {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-steel);
  max-width: 46ch;
}

/* 区域 chips */
.page-contact .contact-form .chip-group {
  margin-bottom: 22px;
}

.page-contact .chip-group__label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-steel);
}

.page-contact .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .chip {
  --rc: var(--c-steel);
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px 9px 26px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.3;
  color: var(--c-ink);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  cursor: pointer;
  transition: border-color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}

.page-contact .chip::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--rc);
}

.page-contact .chip[data-chip-value="滇中"] { --rc: var(--r-central); }
.page-contact .chip[data-chip-value="滇东"] { --rc: var(--r-east); }
.page-contact .chip[data-chip-value="滇南"] { --rc: var(--r-south); }
.page-contact .chip[data-chip-value="滇西"] { --rc: var(--r-west); }
.page-contact .chip[data-chip-value="滇西北"] { --rc: var(--r-nw); }
.page-contact .chip[data-chip-value="省外协作"] { --rc: var(--r-out); }

.page-contact .chip:hover {
  border-color: var(--c-amber);
  transform: translateY(-2px);
}

.page-contact .chip[aria-pressed="true"],
.page-contact .chip.is-active {
  border-color: var(--c-amber);
  background: rgba(255, 176, 33, 0.16);
  box-shadow: inset 0 0 0 1px var(--c-amber);
}

.page-contact .chip[aria-pressed="true"]::before,
.page-contact .chip.is-active::before {
  box-shadow: 0 0 0 4px rgba(255, 176, 33, 0.28);
}

.page-contact .chip:focus-visible {
  outline: 2px solid var(--c-peacock);
  outline-offset: 2px;
}

/* 字段 */
.page-contact .field-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-contact .field__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ink);
}

.page-contact .field__hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--c-steel);
}

.page-contact .field__input {
  width: 100%;
  padding: 11px 13px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--c-ink);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  transition: border-color var(--t-fast), background-color var(--t-fast);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}

.page-contact .field__input::placeholder {
  color: var(--c-steel);
  opacity: 0.85;
}

.page-contact .field__input:focus {
  outline: none;
  background: var(--c-card);
  border-color: var(--c-peacock);
  box-shadow: inset 0 0 0 1px var(--c-peacock);
}

.page-contact .contact-form__actions {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed var(--c-line);
}

.page-contact .contact-form__status {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-steel);
}

/* ---------- 右栏 ---------- */
.page-contact .contact-aside {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-contact .contact-aside__shot {
  border: 1px solid var(--c-line);
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 28px);
}

.page-contact .contact-card__title {
  margin: 0 0 16px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--c-card);
}

.page-contact .contact-lines {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-line {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .contact-line:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-line__label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.62);
}

.page-contact .contact-line__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

.page-contact .contact-line__value {
  font-size: 15px;
  color: var(--c-card);
  word-break: break-all;
  min-width: 0;
}

.page-contact .contact-line__value--wide {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .copy-btn {
  flex: none;
  padding: 6px 12px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  background: rgba(255, 176, 33, 0.12);
  border: 1px solid rgba(255, 176, 33, 0.5);
  cursor: pointer;
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}

.page-contact .copy-btn:hover {
  background: rgba(255, 176, 33, 0.22);
  border-color: var(--c-amber);
}

.page-contact .copy-btn[data-copied="ok"] {
  background: var(--c-amber);
  color: var(--c-night);
  border-color: var(--c-amber);
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.page-contact .contact-tip {
  padding: 20px;
  background: rgba(0, 160, 122, 0.08);
  border-left: 4px solid var(--c-peacock);
}

.page-contact .contact-tip__title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 800;
  color: var(--c-plateau);
}

.page-contact .contact-tip__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink);
}

/* ---------- 宽幅实景 ---------- */
.page-contact .contact-shot {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-contact .media-frame__caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-steel);
}

/* ---------- 合作方式 ---------- */
.page-contact .contact-accordion {
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-accordion .accordion__item {
  border-bottom: 1px solid var(--c-line);
  background: var(--c-card);
}

.page-contact .contact-accordion .accordion__trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  width: 100%;
  padding: 18px 16px;
  font-family: var(--font-sans);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  transition: background-color var(--t-fast);
}

.page-contact .contact-accordion .accordion__trigger:hover {
  background: rgba(255, 176, 33, 0.08);
}

.page-contact .contact-accordion__name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--c-ink);
  flex: none;
}

.page-contact .contact-accordion__meta {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-steel);
  flex: 1 1 200px;
}

.page-contact .contact-accordion .accordion__icon {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-peacock);
}

.page-contact .contact-accordion .accordion__panel {
  overflow: hidden;
}

.page-contact .contact-accordion .accordion__body {
  padding: 4px 16px 22px;
}

.page-contact .coop-detail {
  margin: 0;
  display: grid;
  gap: 4px;
}

.page-contact .coop-detail dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-peacock-deep);
  font-weight: 700;
}

.page-contact .coop-detail dd {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
  max-width: 62ch;
}

.page-contact .coop-detail dd:last-child {
  margin-bottom: 0;
}

/* ---------- 交付与认证 ---------- */
.page-contact .contact-delivery {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-delivery::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(255, 176, 33, 0.07) 0 2px, transparent 2px 14px),
    radial-gradient(circle at 88% 12%, rgba(0, 160, 122, 0.28), transparent 52%);
  pointer-events: none;
}

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

.page-contact .contact-delivery .section-title {
  color: var(--c-card);
}

.page-contact .contact-delivery .section-tag {
  color: var(--c-amber);
}

.page-contact .contact-delivery .section-lead {
  color: rgba(255, 255, 255, 0.78);
}

.page-contact .leadtime-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .leadtime {
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-line-soft);
  border-top-width: 3px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .leadtime--stock { border-top-color: var(--c-stock); }
.page-contact .leadtime--transfer { border-top-color: var(--c-transfer); }
.page-contact .leadtime--preorder { border-top-color: var(--c-preorder); }

.page-contact .leadtime .status {
  color: rgba(255, 255, 255, 0.85);
}

.page-contact .leadtime__num {
  margin: 14px 0 0;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-card);
}

.page-contact .leadtime__unit {
  margin: 6px 0 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
}

.page-contact .leadtime__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.76);
}

.page-contact .cert-block {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 28px);
  background: var(--c-night);
  border-left: 4px solid var(--c-peacock);
  display: grid;
  gap: 18px;
}

.page-contact .cert-block__title {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--c-card);
}

.page-contact .cert-block__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.8);
  max-width: 58ch;
}

.page-contact .cert-block__text .mono {
  color: var(--c-amber);
}

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

.page-contact .cert-block__points li {
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.06);
  border-left: 2px solid var(--c-peacock);
}

.page-contact .cert-block__points .mono {
  color: var(--c-amber);
  font-weight: 700;
}

.page-contact .contact-stamp {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- 收口 ---------- */
.page-contact .contact-next {
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-contact .contact-next__panel {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-amber);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .contact-next__title {
  margin: 0 0 10px;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 800;
  color: var(--c-ink);
}

.page-contact .contact-next__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-steel);
  max-width: 56ch;
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .leadtime-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .leadtime-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .cert-block {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .contact-next__panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(24px, 3vw, 40px);
  }
  .page-contact .contact-aside {
    position: sticky;
    top: var(--contact-sticky-top);
  }
  .page-contact .contact-accordion .accordion__trigger {
    padding: 20px 20px;
  }
  .page-contact .contact-accordion .accordion__body {
    padding: 4px 20px 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chip,
  .page-contact .copy-btn,
  .page-contact .field__input,
  .page-contact .contact-accordion .accordion__trigger {
    transition: none;
  }
  .page-contact .chip:hover {
    transform: none;
  }
}
</main>