/* ===== 规则工具台 · 页面专属样式 ===== */
.page-products{
  --pp-rail:236px;
  --pp-gap:clamp(18px,2.6vw,34px);
  --pp-line:rgba(199,208,217,.16);
  --pp-panel:rgba(19,42,71,.62);
  --pp-panel-deep:rgba(11,27,51,.72);
  background:var(--ink);
  color:var(--silver);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--pp-line);
}
.page-products .tools-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(rgba(199,208,217,.045) 1px,transparent 1px) 0 0/100% 76px,
    linear-gradient(90deg,rgba(199,208,217,.045) 1px,transparent 1px) 0 0/76px 100%;
}
.page-products .tools-hero::after{
  content:"";
  position:absolute;
  top:-32%;
  right:-14%;
  width:min(72vw,780px);
  aspect-ratio:1;
  background:radial-gradient(circle,rgba(255,107,53,.17),transparent 62%);
  pointer-events:none;
}
.page-products .tools-hero > .wrap{
  position:relative;
  z-index:1;
}
.page-products .tools-hero .breadcrumb{
  margin-bottom:clamp(16px,3vw,28px);
}

.page-products .hero-shell{
  display:grid;
  gap:clamp(24px,4vw,52px);
  align-items:center;
}
@media (min-width:960px){
  .page-products .hero-shell{
    grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  }
}

.page-products h1{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.95rem,5.4vw,3.6rem);
  line-height:1.08;
  letter-spacing:.005em;
  color:var(--white);
  margin:.35em 0 .5em;
}
.page-products .hero-copy .lede{
  max-width:56ch;
  margin-bottom:clamp(18px,3vw,26px);
  color:var(--silver);
}

.page-products .hero-facts{
  list-style:none;
  margin:clamp(22px,3.5vw,32px) 0 0;
  padding:20px 0 0;
  border-top:1px solid var(--pp-line);
  display:grid;
  gap:12px;
  font-size:.9375rem;
  line-height:1.72;
}
.page-products .hero-facts li{
  display:grid;
  grid-template-columns:22px minmax(0,1fr);
  gap:12px;
  align-items:start;
}
.page-products .hero-facts li::before{
  content:"";
  width:22px;
  height:2px;
  margin-top:.72em;
  background:var(--signal);
}
.page-products .hero-facts .mono{
  color:var(--white);
}

.page-products .figure-frame{
  overflow:hidden;
}
.page-products .figure-frame img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.page-products .hero-figure{
  margin:0;
  aspect-ratio:16/9;
  border:1px solid var(--pp-line);
}

/* ---------- 首屏筛选条 ---------- */
.page-products .filter-panel{
  margin-top:clamp(28px,5vw,54px);
  display:grid;
  gap:20px;
  padding:clamp(18px,2.6vw,28px);
  border:1px solid var(--pp-line);
  background:linear-gradient(135deg,rgba(19,42,71,.88),rgba(11,27,51,.55));
  backdrop-filter:blur(10px);
}
@media (min-width:760px){
  .page-products .filter-panel{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:clamp(20px,4vw,48px);
  }
}
.page-products .filter-label{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--teal-soft);
}
.page-products .filter-chips{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.page-products .filter-chips a{
  text-decoration:none;
}

/* ---------- 工具台骨架 ---------- */
.page-products .tools-shell{
  display:grid;
  gap:var(--pp-gap);
  align-items:start;
}
@media (min-width:1060px){
  .page-products .tools-shell{
    grid-template-columns:var(--pp-rail) minmax(0,1fr);
    gap:clamp(28px,4vw,60px);
  }
}

.page-products .tools-rail{
  display:none;
}
@media (min-width:1060px){
  .page-products .tools-rail{
    display:block;
    position:sticky;
    top:92px;
    padding-left:18px;
    border-left:1px solid var(--pp-line);
  }
}
.page-products .tools-rail .eyebrow{
  display:block;
  margin:0 0 12px;
}
.page-products .rail-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.page-products .rail-list a{
  display:flex;
  gap:10px;
  align-items:baseline;
  padding:9px 10px;
  color:var(--silver);
  text-decoration:none;
  font-size:.875rem;
  line-height:1.5;
  border-left:2px solid transparent;
  transition:color var(--speed),background var(--speed),border-color var(--speed);
}
.page-products .rail-list a:hover{
  color:var(--white);
  background:var(--glass);
}
.page-products .rail-list a[aria-current="true"]{
  color:var(--white);
  border-left-color:var(--signal);
  background:rgba(255,107,53,.1);
}
.page-products .rail-list .mono{
  font-size:.6875rem;
  letter-spacing:.08em;
  color:var(--signal);
}

/* 移动端折叠索引 */
.page-products .mobile-index{
  border:1px solid var(--pp-line);
  background:var(--pp-panel-deep);
  scroll-margin-top:110px;
}
@media (min-width:1060px){
  .page-products .mobile-index{
    display:none;
  }
}
.page-products .mobile-index > summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:13px 16px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.12em;
  color:var(--white);
}
.page-products .mobile-index > summary::-webkit-details-marker{
  display:none;
}
.page-products .mobile-index > summary::after{
  content:"▾";
  color:var(--signal);
  transition:transform var(--speed);
}
.page-products .mobile-index[open] > summary::after{
  transform:rotate(180deg);
}
.page-products .mobile-index .index-list{
  list-style:none;
  margin:0;
  padding:0 6px 10px;
  display:grid;
  gap:2px;
}
.page-products .mobile-index .index-list a{
  display:block;
  padding:10px 12px;
  color:var(--silver);
  text-decoration:none;
  font-size:.875rem;
  border-left:2px solid transparent;
}
.page-products .mobile-index .index-list a[aria-current="true"]{
  color:var(--white);
  border-left-color:var(--signal);
  background:rgba(255,107,53,.1);
}

/* ---------- 功能块 ---------- */
.page-products .tools-panels{
  display:grid;
  gap:var(--pp-gap);
}
.page-products .tool-block{
  position:relative;
  padding:clamp(20px,3.2vw,40px);
  border:1px solid var(--pp-line);
  background:linear-gradient(160deg,rgba(19,42,71,.72),rgba(11,27,51,.5));
  scroll-margin-top:112px;
}
.page-products .block-num{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  color:var(--signal);
}
.page-products .block-title{
  margin:0 0 14px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.4rem,3vw,2.05rem);
  line-height:1.16;
  letter-spacing:.01em;
  color:var(--white);
}
.page-products .verdict{
  margin:0 0 clamp(20px,3vw,28px);
  padding-left:16px;
  border-left:3px solid var(--teal);
  font-size:clamp(1rem,1.5vw,1.0625rem);
  line-height:1.8;
  color:var(--white);
}

/* ---------- 01 分类 ---------- */
.page-products .cat-grid{
  display:grid;
  gap:12px;
  margin-bottom:clamp(22px,3vw,32px);
}
@media (min-width:640px){
  .page-products .cat-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media (min-width:1120px){
  .page-products .cat-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}
.page-products .cat-card{
  border:1px solid var(--pp-line);
  background:var(--pp-panel-deep);
  transition:border-color var(--speed),background var(--speed);
}
.page-products .cat-card[open]{
  border-color:rgba(255,107,53,.45);
  background:rgba(19,42,71,.86);
}
.page-products .cat-card > summary{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:2px 10px;
  align-items:center;
  padding:15px 16px;
  cursor:pointer;
  list-style:none;
}
.page-products .cat-card > summary::-webkit-details-marker{
  display:none;
}
.page-products .cat-card .cat-name{
  grid-column:1;
  font-family:var(--font-display);
  font-size:1.05rem;
  letter-spacing:.02em;
  color:var(--white);
}
.page-products .cat-card .cat-meta{
  grid-column:1;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.06em;
  color:var(--teal-soft);
}
.page-products .cat-card > summary::after{
  grid-column:2;
  grid-row:1 / span 2;
  content:"＋";
  font-size:.9rem;
  line-height:1;
  color:var(--signal);
}
.page-products .cat-card[open] > summary::after{
  content:"－";
}
.page-products .cat-body{
  margin-top:2px;
  padding:12px 16px 16px;
  border-top:1px dashed var(--pp-line);
  font-size:.9375rem;
  line-height:1.8;
  color:var(--silver);
}
.page-products .cat-figure{
  margin:0;
  aspect-ratio:3/2;
  border:1px solid var(--pp-line);
}

/* ---------- 02 桌面端 ---------- */
.page-products .pc-split{
  display:grid;
  gap:clamp(18px,3vw,32px);
  align-items:start;
}
@media (min-width:860px){
  .page-products .pc-split{
    grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  }
}
.page-products .pc-figure{
  margin:0;
  aspect-ratio:2/1;
  border:1px solid var(--pp-line);
}
.page-products .pc-notes{
  display:grid;
  gap:16px;
}
.page-products .note-item{
  margin:0;
  padding-left:14px;
  border-left:2px solid var(--teal);
  font-size:.9375rem;
  line-height:1.8;
  color:var(--silver);
}
.page-products .note-item strong{
  display:block;
  margin-bottom:3px;
  color:var(--white);
  font-weight:600;
}

/* ---------- 03 周期与统计 ---------- */
.page-products .stat-figure{
  margin:0 0 clamp(20px,3vw,28px);
  aspect-ratio:14/5;
  border:1px solid var(--pp-line);
}
@media (max-width:700px){
  .page-products .stat-figure{
    aspect-ratio:7/5;
  }
}
.page-products .field-grid{
  display:grid;
  gap:1px;
  border:1px solid var(--pp-line);
  background:var(--pp-line);
}
@media (min-width:680px){
  .page-products .field-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
.page-products .field-item{
  padding:18px;
  background:rgba(11,27,51,.86);
}
.page-products .field-name{
  margin:0 0 6px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--teal-soft);
}
.page-products .field-desc{
  margin:0;
  font-size:.875rem;
  line-height:1.78;
  color:var(--silver);
}

/* ---------- 04 结算 ---------- */
.page-products .settle-split{
  display:grid;
  gap:clamp(18px,3vw,32px);
  align-items:start;
}
@media (min-width:980px){
  .page-products .settle-split{
    grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  }
}
.page-products .settle-figure{
  margin:0;
  aspect-ratio:3/2;
  border:1px solid var(--pp-line);
}
.page-products .table-caption{
  padding:0 0 10px;
  text-align:left;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--teal-soft);
}
.page-products .settle-note{
  margin:clamp(18px,3vw,26px) 0 0;
  padding:16px 18px;
  border-left:3px solid var(--teal);
  background:rgba(95,168,159,.09);
  font-size:.9375rem;
  line-height:1.8;
  color:var(--silver);
}

/* ---------- 05 版本对照 ---------- */
.page-products .ver-switch{
  position:relative;
}
.page-products .ver-switch input{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}
.page-products .ver-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:16px;
}
.page-products .ver-tabs label{
  cursor:pointer;
  padding:9px 16px;
  border:1px solid var(--pp-line);
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--silver);
  transition:background var(--speed),color var(--speed),border-color var(--speed);
}
.page-products .ver-tabs label:hover{
  color:var(--white);
  border-color:var(--line-strong);
}
.page-products .ver-switch input:nth-child(1):checked ~ .ver-tabs label:nth-child(1),
.page-products .ver-switch input:nth-child(2):checked ~ .ver-tabs label:nth-child(2),
.page-products .ver-switch input:nth-child(3):checked ~ .ver-tabs label:nth-child(3){
  background:var(--signal);
  border-color:var(--signal);
  color:var(--black);
}
.page-products .ver-panel{
  display:none;
  padding:clamp(18px,2.6vw,26px);
  border:1px solid var(--pp-line);
  border-top:2px solid var(--teal);
  background:rgba(11,27,51,.7);
}
.page-products .ver-switch input:nth-child(1):checked ~ .ver-panels > .ver-panel:nth-child(1),
.page-products .ver-switch input:nth-child(2):checked ~ .ver-panels > .ver-panel:nth-child(2),
.page-products .ver-switch input:nth-child(3):checked ~ .ver-panels > .ver-panel:nth-child(3){
  display:block;
}
.page-products .ver-tag{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--amber);
}
.page-products .ver-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:11px;
}
.page-products .ver-list li{
  display:grid;
  grid-template-columns:6px minmax(0,1fr);
  gap:12px;
  align-items:start;
  font-size:.9375rem;
  line-height:1.78;
  color:var(--silver);
}
.page-products .ver-list li::before{
  content:"";
  width:6px;
  height:6px;
  margin-top:.66em;
  background:var(--teal);
}
.page-products .summary-card{
  margin-top:clamp(18px,3vw,26px);
  padding:clamp(18px,2.6vw,26px);
}
.page-products .summary-card .eyebrow{
  display:block;
  margin:0 0 8px;
  color:rgba(11,27,51,.72);
}
.page-products .summary-card p{
  margin:0;
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
}

/* ---------- 06 场景 ---------- */
.page-products .scene-grid{
  display:grid;
  gap:12px;
  margin-bottom:clamp(22px,3vw,32px);
}
@media (min-width:820px){
  .page-products .scene-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}
.page-products .scene-card{
  display:grid;
  gap:8px;
  align-content:start;
  padding:20px 18px;
  border-top:2px solid var(--signal);
  background:rgba(19,42,71,.66);
}
.page-products .scene-card:nth-child(2){
  border-top-color:var(--teal);
}
.page-products .scene-card:nth-child(3){
  border-top-color:var(--amber);
}
.page-products .scene-card h3{
  margin:0;
  font-family:var(--font-display);
  font-size:1.05rem;
  letter-spacing:.02em;
  color:var(--white);
}
.page-products .scene-card p{
  margin:0;
  font-size:.9375rem;
  line-height:1.78;
  color:var(--silver);
}

.page-products .tools-trust{
  display:grid;
  gap:1px;
  margin-bottom:clamp(22px,3vw,32px);
  border:1px solid var(--pp-line);
  background:var(--pp-line);
}
@media (min-width:640px){
  .page-products .tools-trust{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media (min-width:1024px){
  .page-products .tools-trust{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}
.page-products .trust-item{
  padding:16px 16px 18px;
  background:rgba(11,27,51,.8);
  font-size:.8125rem;
  line-height:1.72;
  color:var(--silver);
}
.page-products .trust-item .mono{
  display:block;
  margin-bottom:4px;
  font-size:1.3rem;
  letter-spacing:.02em;
  color:var(--white);
}

.page-products .next-row{
  margin-bottom:0;
}
.page-products .next-note{
  margin:16px 0 0;
  font-size:.875rem;
  line-height:1.78;
  color:var(--silver);
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width:520px){
  .page-products .tool-block{
    scroll-margin-top:96px;
  }
  .page-products .ver-tabs label{
    flex:1 1 auto;
    text-align:center;
  }
  .page-products .hero-facts li{
    grid-template-columns:14px minmax(0,1fr);
  }
  .page-products .hero-facts li::before{
    width:14px;
  }
}