/* ===== 规格与产品总览 · 页面专属样式 ===== */
.page-products {
  --pr-gap: clamp(18px, 2.6vw, 32px);
  --pr-ln: rgba(28, 33, 36, 0.14);
  --pr-rail: 168px;
  --pr-aside: 236px;
  display: block;
  overflow-x: hidden;
  background: var(--c7-paper);
  color: var(--c7-ink);
  font-family: var(--c7-font-mono);
  padding-bottom: clamp(36px, 5vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(30px, 5vw, 60px);
  background:
    repeating-linear-gradient(90deg, rgba(244, 241, 234, 0.06) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(244, 241, 234, 0.06) 0 1px, transparent 1px 72px),
    linear-gradient(150deg, #2c3339 0%, var(--c7-gray) 48%, var(--c7-ink) 100%);
  color: var(--c7-paper);
  border-bottom: 3px solid var(--c7-glaze);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: min(54vw, 560px);
  height: min(54vw, 560px);
  background: radial-gradient(circle at 50% 50%, rgba(31, 111, 115, 0.5), rgba(31, 111, 115, 0) 70%);
  pointer-events: none;
}

.page-products .pr-hero > .c7-shell {
  position: relative;
  z-index: 1;
}

.page-products .pr-hero__crumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-products .pr-hero__crumbs .c7-crumbs__link {
  color: rgba(244, 241, 234, 0.6);
  text-decoration: none;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  transition: color 0.2s var(--c7-ease);
}

.page-products .pr-hero__crumbs .c7-crumbs__link:hover,
.page-products .pr-hero__crumbs .c7-crumbs__link:focus-visible {
  color: var(--c7-neon);
}

.page-products .pr-hero__crumbs .c7-crumbs__link[aria-current="page"] {
  color: var(--c7-sand);
}

.page-products .pr-hero__crumbs .c7-crumbs__sep {
  color: rgba(244, 241, 234, 0.3);
  margin: 0 8px;
  font-size: 11px;
}

.page-products .pr-hero__frame {
  position: relative;
  border: 1px solid rgba(244, 241, 234, 0.26);
  border-radius: var(--c7-radius-lg);
  padding: clamp(24px, 3.8vw, 48px);
  background: rgba(20, 25, 28, 0.5);
  overflow: hidden;
}

.page-products .pr-hero__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--c7-copper);
  opacity: 0.8;
}

.page-products .pr-hero__corner--tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.page-products .pr-hero__corner--tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.page-products .pr-hero__corner--bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.page-products .pr-hero__corner--br { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.page-products .pr-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  padding-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c7-sand);
  border-bottom: 1px solid rgba(227, 199, 158, 0.4);
}

.page-products .pr-hero__tag span {
  color: var(--c7-copper);
}

.page-products .pr-hero__title {
  margin: 0 0 clamp(16px, 2.2vw, 26px);
  max-width: 24ch;
  font-family: var(--c7-font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.1vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c7-paper);
  text-wrap: balance;
}

.page-products .pr-hero__lede {
  max-width: 64ch;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 1.9;
  color: rgba(244, 241, 234, 0.8);
}

.page-products .pr-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 32px);
  padding: 0;
  list-style: none;
}

.page-products .pr-hero__chips .c7-chip {
  padding: 6px 13px;
  border: 1px solid rgba(227, 199, 158, 0.42);
  border-radius: 999px;
  background: rgba(227, 199, 158, 0.08);
  color: var(--c7-sand);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 主网格 ---------- */
.page-products .c7-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 48px);
  padding-block: clamp(30px, 4.6vw, 60px);
  align-items: start;
}

@media (min-width: 1060px) {
  .page-products .c7-layout {
    grid-template-columns: var(--pr-rail) minmax(0, 1fr) var(--pr-aside);
  }
}

.page-products .c7-content {
  min-width: 0;
}

/* ---------- 侧栏章节 ---------- */
.page-products .c7-rail {
  min-width: 0;
}

.page-products .c7-rail__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  scrollbar-width: thin;
}

.page-products .c7-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--c7-radius);
  white-space: nowrap;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(28, 33, 36, 0.62);
  text-decoration: none;
  transition: color 0.2s var(--c7-ease), background-color 0.2s var(--c7-ease), box-shadow 0.2s var(--c7-ease);
}

.page-products .c7-rail__link:hover,
.page-products .c7-rail__link:focus-visible {
  color: var(--c7-glaze);
  background: rgba(31, 111, 115, 0.08);
}

.page-products .c7-rail__link[aria-current="true"],
.page-products .c7-rail__link.is-active {
  color: var(--c7-glaze);
  box-shadow: inset 2px 0 0 var(--c7-neon);
}

.page-products .c7-rail__num {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--c7-copper);
}

@media (min-width: 1060px) {
  .page-products .c7-rail {
    position: sticky;
    top: 26px;
  }

  .page-products .c7-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--pr-ln);
  }

  .page-products .c7-rail__link {
    padding: 9px 14px;
    border-radius: 0;
    white-space: normal;
  }
}

/* ---------- 章节 ---------- */
.page-products .pr-section {
  margin-bottom: clamp(42px, 6vw, 80px);
  scroll-margin-top: 24px;
}

.page-products .pr-section:last-child {
  margin-bottom: 0;
}

.page-products .c7-sechead {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pr-ln);
}

.page-products .c7-sechead__idx {
  font-family: var(--c7-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c7-copper);
}

.page-products .c7-sechead__title {
  margin: 0;
  font-family: var(--c7-font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.7vw, 33px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--c7-ink);
}

.page-products .c7-prose {
  font-size: 15px;
  line-height: 1.85;
  color: #2f363b;
}

.page-products .c7-prose p {
  max-width: 68ch;
  margin: 0 0 1em;
}

.page-products .c7-prose p:last-child {
  margin-bottom: 0;
}

.page-products .c7-prose a {
  color: var(--c7-glaze);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 115, 0.4);
  transition: border-color 0.2s var(--c7-ease), color 0.2s var(--c7-ease);
}

.page-products .c7-prose a:hover,
.page-products .c7-prose a:focus-visible {
  color: var(--c7-ink);
  border-bottom-color: var(--c7-neon);
}

/* ---------- 规格表 ---------- */
.page-products .pr-tablewrap {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  overflow-x: auto;
  border: 1px solid var(--pr-ln);
  border-radius: var(--c7-radius);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-family: var(--c7-font-mono);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .pr-table thead th {
  padding: 11px 14px;
  background: var(--c7-gray);
  color: var(--c7-paper);
  font-family: var(--c7-font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-align: left;
  white-space: nowrap;
}

.page-products .pr-table tbody th[scope="row"] {
  padding: 12px 14px;
  border-top: 1px solid var(--pr-ln);
  color: var(--c7-glaze);
  font-weight: 700;
  font-size: 13px;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.page-products .pr-table tbody td {
  padding: 12px 14px;
  border-top: 1px solid var(--pr-ln);
  vertical-align: top;
  color: #343b40;
}

.page-products .pr-table tbody tr:nth-child(even) {
  background: rgba(227, 199, 158, 0.2);
}

.page-products .pr-table__group th {
  padding: 10px 14px;
  border-top: 1px solid var(--pr-ln);
  background: rgba(31, 111, 115, 0.1);
  color: var(--c7-glaze);
  font-family: var(--c7-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-align: left;
}

/* ---------- 图片 ---------- */
.page-products .pr-fig {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-products .c7-figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pr-ln);
  border-radius: var(--c7-radius);
  background:
    repeating-linear-gradient(45deg, rgba(28, 33, 36, 0.035) 0 2px, transparent 2px 8px),
    #e9e6de;
}

.page-products .c7-figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 33, 36, 0.07), rgba(28, 33, 36, 0) 42%);
  pointer-events: none;
}

.page-products .c7-figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .c7-figure__cap {
  max-width: 62ch;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: rgba(28, 33, 36, 0.6);
}

.page-products .pr-figrow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pr-figrow .pr-fig {
  margin: 0;
}

@media (min-width: 720px) {
  .page-products .pr-figrow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 参数卡 ---------- */
.page-products .pr-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: clamp(18px, 2.4vw, 26px) 0;
}

@media (min-width: 620px) {
  .page-products .pr-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pr-field {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid var(--pr-ln);
  border-radius: var(--c7-radius);
  background: #fff;
  overflow: hidden;
  transition: border-color 0.22s var(--c7-ease), transform 0.22s var(--c7-ease);
}

.page-products .pr-field::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c7-glaze);
  opacity: 0.85;
}

.page-products .pr-field:hover {
  border-color: rgba(31, 111, 115, 0.45);
  transform: translateY(-3px);
}

.page-products .pr-field__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--c7-font-display);
  font-weight: 800;
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c7-copper);
}

.page-products .pr-field__name {
  margin: 0 0 6px;
  font-family: var(--c7-font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c7-ink);
}

.page-products .pr-field__desc {
  margin: 0;
  font-size: 12.8px;
  line-height: 1.8;
  color: #454c52;
}

/* ---------- 节点数字 ---------- */
.page-products .pr-nodes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(18px, 2.4vw, 26px) 0;
}

@media (min-width: 560px) {
  .page-products .pr-nodes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pr-node {
  padding: 16px;
  border: 1px solid rgba(31, 111, 115, 0.24);
  border-radius: var(--c7-radius);
  background:
    repeating-linear-gradient(135deg, rgba(31, 111, 115, 0.05) 0 6px, transparent 6px 14px),
    #fff;
}

.page-products .pr-node__num {
  display: block;
  font-family: var(--c7-font-display);
  font-weight: 800;
  font-size: clamp(36px, 4.6vw, 54px);
  line-height: 1;
  color: var(--c7-glaze);
}

.page-products .pr-node__label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(28, 33, 36, 0.58);
}

.page-products .pr-inline-cta {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
}

/* ---------- 抽屉 ---------- */
.page-products .pr-drawers {
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--pr-ln);
}

.page-products .pr-drawers__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}

.page-products .pr-drawers__bar p {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(28, 33, 36, 0.6);
}

.page-products .c7-drawer {
  margin-bottom: 10px;
  border: 1px solid var(--pr-ln);
  border-radius: var(--c7-radius);
  background: #fff;
  overflow: hidden;
}

.page-products .c7-drawer__head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  background: transparent;
  font-family: var(--c7-font-mono);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--c7-ink);
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s var(--c7-ease);
}

.page-products .c7-drawer__head:hover,
.page-products .c7-drawer__head:focus-visible {
  background: rgba(31, 111, 115, 0.06);
}

.page-products .c7-drawer__idx {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c7-copper);
}

.page-products .c7-drawer__sign {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 12px;
  height: 12px;
}

.page-products .c7-drawer__sign::before,
.page-products .c7-drawer__sign::after {
  content: "";
  position: absolute;
  background: var(--c7-glaze);
  border-radius: 1px;
}

.page-products .c7-drawer__sign::before {
  left: 0;
  right: 0;
  top: 5px;
  height: 2px;
}

.page-products .c7-drawer__sign::after {
  top: 0;
  bottom: 0;
  left: 5px;
  width: 2px;
  transition: transform 0.24s var(--c7-ease), opacity 0.24s var(--c7-ease);
}

.page-products .c7-drawer[data-open] .c7-drawer__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-products .c7-drawer__inner {
  padding: 0 16px 18px;
  font-size: 13px;
  line-height: 1.85;
  color: #454c52;
}

.page-products .c7-drawer__inner p {
  margin: 0 0 0.8em;
}

.page-products .c7-drawer__inner p:last-child {
  margin-bottom: 0;
}

.page-products .c7-drawer__inner a {
  color: var(--c7-glaze);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 115, 0.4);
}

.page-products .c7-drawer__inner a:hover {
  border-bottom-color: var(--c7-neon);
}

/* ---------- 场景筛选 ---------- */
.page-products .pr-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.2vw, 24px);
}

.page-products .pr-filter {
  appearance: none;
  padding: 8px 14px;
  border: 1px solid rgba(28, 33, 36, 0.2);
  border-radius: 999px;
  background: #fff;
  color: #3b4247;
  font-family: var(--c7-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background-color 0.2s var(--c7-ease), color 0.2s var(--c7-ease), border-color 0.2s var(--c7-ease);
}

.page-products .pr-filter:hover {
  border-color: var(--c7-glaze);
  color: var(--c7-glaze);
}

.page-products .pr-filter[aria-pressed="true"] {
  background: var(--c7-glaze);
  border-color: var(--c7-glaze);
  color: var(--c7-paper);
}

.page-products .pr-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 720px) {
  .page-products .pr-scenes {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  }
}

.page-products .pr-scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--pr-ln);
  border-radius: var(--c7-radius);
  background: #fff;
}

.page-products .pr-scene[hidden] {
  display: none;
}

.page-products .pr-scene__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--c7-font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--c7-ink);
}

.page-products .pr-scene__title::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--c7-copper);
}

.page-products .pr-scene__row {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: #454c52;
}

.page-products .pr-scene__row b {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c7-glaze);
}

/* ---------- 跟进链条 ---------- */
.page-products .pr-chain {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: prstep;
}

.page-products .pr-chain__step {
  position: relative;
  margin-left: 8px;
  padding: 0 0 24px 34px;
  border-left: 1px dashed rgba(28, 33, 36, 0.22);
}

.page-products .pr-chain__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .pr-chain__step::before {
  counter-increment: prstep;
  content: counter(prstep, decimal-leading-zero);
  position: absolute;
  left: -13px;
  top: -2px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--c7-glaze);
  color: var(--c7-paper);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.page-products .pr-chain__step h3 {
  margin: 0 0 6px;
  font-family: var(--c7-font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--c7-ink);
}

.page-products .pr-chain__step p {
  max-width: 60ch;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #454c52;
}

.page-products .pr-chain__step a {
  color: var(--c7-glaze);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 115, 0.4);
}

.page-products .pr-chain__step a:hover {
  border-bottom-color: var(--c7-neon);
}

.page-products .pr-outro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: clamp(24px, 3.2vw, 36px);
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid rgba(31, 111, 115, 0.24);
  border-left: 3px solid var(--c7-copper);
  border-radius: var(--c7-radius);
  background:
    repeating-linear-gradient(0deg, rgba(31, 111, 115, 0.045) 0 1px, transparent 1px 22px),
    #fff;
}

.page-products .pr-outro p {
  flex: 1 1 320px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #343b40;
}

.page-products .pr-outro a {
  color: var(--c7-copper);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 112, 58, 0.45);
}

.page-products .pr-outro a:hover {
  border-bottom-color: var(--c7-neon);
}

/* ---------- 侧栏 ---------- */
.page-products .c7-aside {
  min-width: 0;
  margin-top: clamp(8px, 2vw, 0);
}

.page-products .pr-aside-card {
  padding: 18px 16px;
  border: 1px solid var(--pr-ln);
  border-radius: var(--c7-radius);
  background:
    repeating-linear-gradient(0deg, rgba(28, 33, 36, 0.035) 0 1px, transparent 1px 22px),
    #fff;
}

.page-products .pr-aside-card__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pr-ln);
  font-family: var(--c7-font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c7-glaze);
}

.page-products .pr-aside-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-aside-card li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 16px;
  font-size: 12.5px;
  line-height: 1.75;
  color: #454c52;
}

.page-products .pr-aside-card li:last-child {
  margin-bottom: 0;
}

.page-products .pr-aside-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--c7-copper);
}

.page-products .c7-note {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 0 var(--c7-radius) var(--c7-radius) 0;
  border-left: 3px solid var(--c7-copper);
  background: rgba(227, 199, 158, 0.34);
  font-size: 12.5px;
  line-height: 1.8;
  color: #6b4a2c;
}

@media (min-width: 1060px) {
  .page-products .c7-aside {
    position: sticky;
    top: 26px;
    margin-top: 0;
  }
}