/* =========================================================
   页面：交付与验收方案 /solutions/
   作用域：.page-products
   ========================================================= */

.page-products {
  --pp-line: 1px solid var(--line-soft);
  --pp-gap: clamp(22px, 3vw, 40px);
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-head);
  font-weight: 500;
  color: var(--c-paper);
}

.page-products p {
  margin: 0;
}

.page-products a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-products a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0;
}

/* ---------- 面包屑 ---------- */

.page-products .breadcrumb {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-products .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.page-products .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-products .breadcrumb li + li::before {
  content: "/";
  color: var(--c-scale);
}

.page-products .breadcrumb a {
  color: var(--c-silver);
}

.page-products .breadcrumb [aria-current] {
  color: var(--c-scale);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  border-bottom: var(--pp-line);
  background: linear-gradient(180deg, #0E1318 0%, var(--c-ink) 74%);
  padding: clamp(26px, 5vw, 54px) 0 clamp(20px, 3vw, 34px);
}

.page-products .pp-hero h1 {
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.24;
  letter-spacing: -0.012em;
  margin: 14px 0 0;
  max-width: 20em;
}

.page-products .pp-lede {
  margin-top: 18px;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--c-silver);
}

.page-products .pp-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pp-metrics > .metric {
  background: var(--c-ink);
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-products .pp-metrics .metric-value {
  font-family: var(--font-mono);
  font-size: clamp(32px, 4.6vw, 50px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.page-products .pp-metrics .metric--cyan .metric-value {
  color: var(--c-cyan);
}

.page-products .pp-metrics .metric-label {
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--c-scale);
}

.page-products .pp-ruler {
  height: 16px;
  margin-top: clamp(20px, 3vw, 32px);
  background-image: repeating-linear-gradient(90deg, var(--c-scale) 0 1px, transparent 1px 14px);
  background-size: 100% 8px;
  background-repeat: repeat-x;
  opacity: 0.55;
}

/* ---------- 主分屏骨架 ---------- */

.page-products .pp-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  padding-top: clamp(30px, 5vw, 58px);
}

.page-products .pp-rail {
  align-self: start;
  border-top: 1px solid var(--line-cyan);
  padding-top: 16px;
}

.page-products .pp-rail-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-scale);
  margin: 0 0 12px;
}

.page-products .pp-ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pp-line);
}

.page-products .tick {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 10px 10px 12px;
  border-bottom: var(--pp-line);
  border-left: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-silver);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .tick:hover {
  border-left-color: var(--c-cyan);
  background: rgba(47, 240, 200, 0.045);
  color: var(--c-paper);
}

.page-products .tick-code {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-products .tick-range {
  font-size: 12px;
  color: var(--c-scale);
}

.page-products .pp-rail-note {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--c-scale);
}

.page-products .pp-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: var(--pp-line);
}

/* ---------- 标签页 ---------- */

.page-products .pp-main {
  min-width: 0;
}

.page-products .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .tab {
  flex: 1 1 130px;
  min-width: 116px;
  appearance: none;
  background: var(--c-ink);
  color: var(--c-silver);
  border: 0;
  padding: 13px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .tab:hover {
  background: var(--c-graphite);
  color: var(--c-paper);
}

.page-products .tab[aria-selected="true"] {
  background: var(--c-graphite);
  color: var(--c-cyan);
  box-shadow: inset 0 -2px 0 var(--c-cyan);
}

.page-products .tab:focus-visible {
  outline: 1px solid var(--c-cyan);
  outline-offset: -3px;
}

/* ---------- 面板通用 ---------- */

.page-products .tabpanel {
  border-top: 1px solid var(--line-cyan);
  padding-top: clamp(20px, 2.6vw, 30px);
}

.page-products .tabpanel:focus-visible {
  outline: 1px solid var(--c-cyan);
  outline-offset: 6px;
}

.page-products .pp-panel-head {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-products .pp-panel-head h2 {
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.006em;
  margin: 10px 0 0;
}

.page-products .pp-panel-lede {
  margin-top: 12px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-silver);
}

.page-products .pp-body p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-silver);
  margin-bottom: 14px;
}

.page-products .pp-fine {
  margin-top: 18px;
  padding-top: 14px;
  border-top: var(--pp-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-scale);
}

/* ---------- 图片 ---------- */

.page-products .figure {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}

.page-products .figure-frame {
  position: relative;
  border: 1px solid var(--line-mid);
  background: var(--c-graphite);
  overflow: hidden;
}

.page-products .figure-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.03);
}

.page-products .figure-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--c-scale);
}

/* ---------- 细线表格 ---------- */

.page-products .pp-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--line-mid);
}

.page-products .pp-ledger {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-ledger caption {
  caption-side: top;
  text-align: left;
  padding: 12px 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-scale);
}

.page-products .pp-ledger th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-scale);
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-mid);
  white-space: nowrap;
}

.page-products .pp-ledger td {
  padding: 13px 12px;
  border-bottom: var(--pp-line);
  color: var(--c-silver);
  vertical-align: top;
  line-height: 1.7;
}

.page-products .pp-ledger td.num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.03em;
  color: var(--c-cyan);
  white-space: nowrap;
}

.page-products .pp-ledger td.pp-note {
  color: var(--c-scale);
  transition: color 0.2s var(--ease);
}

.page-products .pp-ledger tbody tr {
  transition: background 0.2s var(--ease);
}

.page-products .pp-ledger tbody tr:hover {
  background: rgba(199, 205, 212, 0.055);
}

.page-products .pp-ledger tbody tr:hover td.pp-note {
  color: var(--c-paper);
}

/* ---------- 验收流程 ---------- */

.page-products .pp-flow {
  display: block;
  width: 100%;
  max-width: 720px;
  height: auto;
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-products .pp-vlist {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  border-top: var(--pp-line);
}

.page-products .pp-vitem {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: var(--pp-line);
}

.page-products .pp-vitem > .tag {
  flex: 0 0 auto;
  margin-top: 2px;
}

.page-products .pp-vbody h3 {
  font-size: 17px;
  line-height: 1.5;
  margin: 0 0 6px;
}

.page-products .pp-vbody p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
  margin: 0;
}

/* ---------- 报告规格表 ---------- */

.page-products .pp-spec {
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  border-top: var(--pp-line);
}

.page-products .pp-spec-row {
  display: grid;
  grid-template-columns: minmax(88px, 128px) minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: var(--pp-line);
}

.page-products .pp-spec-row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-scale);
  padding-top: 2px;
}

.page-products .pp-spec-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-products .pp-spec-row dd .mono {
  color: var(--c-cyan);
  letter-spacing: 0.1em;
}

/* ---------- 折叠 ---------- */

.page-products .pp-fold {
  border: var(--pp-line);
  background: var(--c-graphite);
  margin: 0 0 clamp(18px, 2.6vw, 24px);
}

.page-products .pp-fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--c-silver);
}

.page-products .pp-fold > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-fold > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-products .pp-fold[open] > summary {
  color: var(--c-paper);
  border-bottom: var(--pp-line);
}

.page-products .pp-fold[open] > summary::after {
  content: "\2212";
}

.page-products .pp-fold-body {
  padding: 4px 16px 16px;
}

.page-products .pp-fold-body p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-products .pp-fold-body .mono {
  color: var(--c-cyan);
}

/* ---------- 排产数字组 ---------- */

.page-products .pp-stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-products .pp-stat {
  background: var(--c-graphite);
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pp-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 600;
  line-height: 1;
  color: var(--c-paper);
  letter-spacing: 0.01em;
}

.page-products .pp-stat-unit {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-products .pp-stat-label {
  font-size: 12px;
  line-height: 1.65;
  color: var(--c-scale);
}

.page-products .pp-fit {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  border-top: var(--pp-line);
}

.page-products .pp-fit li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 0;
  border-bottom: var(--pp-line);
}

.page-products .pp-fit-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-products .pp-fit p {
  font-size: 14px;
  line-height: 1.82;
  color: var(--c-silver);
  margin: 0;
}

/* ---------- 收束区 ---------- */

.page-products .pp-final {
  margin-top: clamp(44px, 6vw, 76px);
  padding-top: clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--line-mid);
  background: var(--c-space);
  padding-bottom: clamp(30px, 4vw, 48px);
}

.page-products .pp-final h2 {
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.35;
  margin: 10px 0 0;
}

.page-products .pp-final-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-products .pp-final .pp-body p {
  color: var(--c-silver);
}

.page-products .pp-contact-panel {
  border: 1px solid var(--line-cyan);
  background: var(--c-graphite);
  padding: 18px 20px 20px;
}

.page-products .pp-mail {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-products .pp-mail-note {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--c-scale);
}

.page-products .pp-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 16px 0 0;
  border-top: var(--pp-line);
}

.page-products .pp-links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--c-silver);
}

.page-products .pp-links a:hover {
  color: var(--c-cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-products .pp-stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-fit li {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
  }
}

@media (min-width: 760px) {
  .page-products .pp-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-final-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 1fr);
  }
}

@media (min-width: 960px) {
  .page-products .pp-shell {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-products .pp-rail {
    position: sticky;
    top: 26px;
  }
}

@media (max-width: 380px) {
  .page-products .pp-metrics {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .tab {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tick,
  .page-products .tab,
  .page-products .pp-ledger tbody tr,
  .page-products .pp-ledger td.pp-note {
    transition: none;
  }
}