/* ===========================================================
   page-products — 客户端面板与规则说明
   作用域：.page-products
   =========================================================== */

.page-products {
  --pr-glow: rgba(0, 240, 200, 0.16);
  --pr-cyan-soft: rgba(0, 240, 200, 0.07);
  --pr-gold-soft: rgba(242, 179, 61, 0.12);
  --pr-line-soft: rgba(42, 74, 65, 0.7);
}

/* ---------- 首屏 ---------- */

.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 52px) 0 clamp(34px, 6.5vw, 68px);
  background:
    radial-gradient(115% 85% at 88% -12%, var(--pr-glow), transparent 62%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -8%;
  width: 46%;
  height: 150%;
  background: linear-gradient(
    var(--skew),
    transparent 49.6%,
    rgba(0, 240, 200, 0.16) 50%,
    transparent 50.4%
  );
  pointer-events: none;
}

.page-products .pr-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 5vw, 46px);
  align-items: end;
}

.page-products .pr-hero__lead .tag {
  margin-bottom: 18px;
}

.page-products .pr-hero .display {
  margin: 0 0 18px;
  font-size: clamp(29px, 7.4vw, 60px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.01em;
  max-width: 19ch;
}

.page-products .pr-hero .lede {
  max-width: 46ch;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pr-hero__side {
  display: grid;
  gap: 2px;
  padding-left: clamp(14px, 3vw, 26px);
  border-left: 1px solid var(--line);
}

.page-products .pr-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--pr-line-soft);
}

.page-products .pr-stat:last-child {
  border-bottom: 0;
}

.page-products .pr-stat__value {
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1;
  color: var(--gold);
}

.page-products .pr-stat__unit {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-left: 2px;
}

.page-products .pr-stat__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 锚点轨道 ---------- */

.page-products .anchor-rail {
  display: none;
}

.page-products .anchor-rail__link {
  display: block;
  width: 20px;
  height: 3px;
  background: var(--line);
  border-radius: 2px;
  transition: background 0.2s var(--ease), width 0.2s var(--ease);
}

.page-products .anchor-rail__link:hover,
.page-products .anchor-rail__link:focus-visible,
.page-products .anchor-rail__link.is-active {
  width: 30px;
  background: var(--cyan);
}

/* ---------- 章节通用 ---------- */

.page-products .pr-section {
  position: relative;
}

.page-products .pr-section__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-products .pr-section__head .eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-products .pr-section__head .h2 {
  margin: 0 0 14px;
  font-size: clamp(23px, 4.5vw, 38px);
  line-height: 1.12;
  font-weight: 800;
}

.page-products .pr-section__head .lede {
  margin: 0;
}

.page-products .pr-aside {
  margin: clamp(20px, 3.5vw, 32px) 0 0;
  padding: 16px 20px;
  max-width: 74ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  border-left: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(16, 46, 38, 0.5), transparent 82%);
}

/* ---------- 图片容器 ---------- */

.page-products .media-frame {
  position: relative;
  display: block;
  margin: 0 0 clamp(24px, 4vw, 38px);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-products .media-frame--wide img {
  aspect-ratio: 16 / 9;
}

.page-products .media-frame--tall img {
  aspect-ratio: 1 / 1;
}

.page-products .media-frame__caption {
  padding: 10px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}

.page-products .media-frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 100%;
  background: linear-gradient(
    var(--skew),
    transparent 49.7%,
    rgba(0, 240, 200, 0.2) 50%,
    transparent 50.3%
  );
  pointer-events: none;
}

.page-products .pr-media {
  box-shadow: 0 0 0 1px rgba(0, 240, 200, 0.05), 0 24px 60px -40px rgba(0, 240, 200, 0.5);
}

/* ---------- 同屏视图说明 ---------- */

.page-products .pr-cols {
  gap: clamp(16px, 3vw, 32px);
}

.page-products .pr-note {
  padding: 20px clamp(16px, 3vw, 24px);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(125deg, rgba(16, 46, 38, 0.78), rgba(4, 20, 15, 0.32));
}

.page-products .pr-note .h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
}

.page-products .pr-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 四步流程 ---------- */

.page-products .pr-steps {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 38px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pr-step {
  display: grid;
  gap: 8px;
  padding: 22px clamp(16px, 3vw, 24px);
  background: var(--bg-2);
}

.page-products .pr-step__no {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-products .pr-step .h3 {
  margin: 0;
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 700;
}

.page-products .pr-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 规则分类 ---------- */

.page-products .pr-rules {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-products .pr-rules .media-frame {
  margin: 0;
}

/* ---------- 标签页 ---------- */

.page-products .tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .tabs__list::-webkit-scrollbar {
  height: 4px;
}

.page-products .tabs__list::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-products .tabs__list::-webkit-scrollbar-track {
  background: transparent;
}

.page-products .tab {
  flex: 0 0 auto;
  appearance: none;
  font: inherit;
  font-size: 14px;
  line-height: 1;
  padding: 11px 18px;
  color: var(--text);
  background: rgba(16, 46, 38, 0.6);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .tab:hover {
  color: var(--cyan);
  border-color: var(--cyan-deep);
}

.page-products .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04140F;
  font-weight: 700;
}

.page-products .tab-panel {
  margin-top: 18px;
  padding: 20px clamp(16px, 3vw, 24px);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(140deg, rgba(16, 46, 38, 0.86), rgba(4, 20, 15, 0.42));
}

.page-products .tab-panel + .tab-panel {
  margin-top: 12px;
}

.page-products .tab-panel[hidden] {
  display: none;
}

.page-products .tab-panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .tab-panel .h3 {
  margin: 0 0 10px;
  font-size: clamp(16px, 2.3vw, 19px);
  font-weight: 700;
}

.page-products .tab-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 字段表 ---------- */

.page-products .pr-table-wrap {
  margin-top: 16px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .pr-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pr-table caption {
  padding-bottom: 10px;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
}

.page-products .pr-table th,
.page-products .pr-table td {
  text-align: left;
  vertical-align: top;
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-table thead th {
  padding-top: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--muted);
  border-bottom-color: var(--cyan-deep);
}

.page-products .pr-table tbody tr:hover {
  background: var(--pr-cyan-soft);
}

.page-products .pr-table__key {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
  white-space: nowrap;
}

.page-products .pr-table td {
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 列表 ---------- */

.page-products .pr-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pr-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pr-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 刷新节奏 ---------- */

.page-products .pr-flow {
  display: grid;
  gap: 22px;
}

.page-products .pr-flow__node {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-products .pr-flow__node::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 240, 200, 0.12);
}

.page-products .pr-flow__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-products .pr-flow__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 使用记录时间轴 ---------- */

.page-products .pr-timeline {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 4px 2px 18px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .pr-timeline:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .pr-timeline::-webkit-scrollbar {
  height: 5px;
}

.page-products .pr-timeline::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-products .pr-timeline::-webkit-scrollbar-track {
  background: transparent;
}

.page-products .pr-timeline__item {
  position: relative;
  flex: 0 0 min(190px, 66vw);
  scroll-snap-align: start;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-products .pr-timeline__item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
}

.page-products .pr-timeline__item:first-child::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 240, 200, 0.14);
}

.page-products .pr-timeline__time {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pr-timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 结尾入口 ---------- */

.page-products .pr-tail {
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-products .pr-tail__inner {
  padding: clamp(24px, 4vw, 40px) clamp(18px, 3.5vw, 36px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: linear-gradient(120deg, rgba(16, 46, 38, 0.72), rgba(4, 20, 15, 0.28));
}

.page-products .pr-tail .h2 {
  margin: 0 0 20px;
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 800;
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pr-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pr-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-products .pr-rules {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (min-width: 1080px) {
  .page-products .pr-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1320px) {
  .page-products .anchor-rail {
    position: fixed;
    top: 50%;
    right: max(16px, calc((100vw - var(--wrap)) / 2 - 40px));
    transform: translateY(-50%);
    display: grid;
    gap: 12px;
    z-index: 6;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tab,
  .page-products .anchor-rail__link {
    transition: none;
  }
}