/* ============ 体验中心 · page-products ============ */
.page-products {
  --cut-sm: 10px;
  --cut-md: 16px;
  --cut-lg: 26px;
  overflow-x: clip;
}

.page-products .section {
  padding-block: clamp(44px, 7vw, 82px);
}

/* ---------- 首屏 ---------- */
.page-products__hero {
  position: relative;
  padding: clamp(38px, 6.5vw, 84px) 0 clamp(34px, 5vw, 62px);
  background:
    radial-gradient(112% 92% at 92% -18%, rgba(122, 92, 255, 0.30), transparent 60%),
    radial-gradient(86% 74% at 0% 6%, rgba(25, 227, 214, 0.14), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-products__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(138, 151, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 151, 184, 0.08) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  pointer-events: none;
}

.page-products__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4.5vw, 52px);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}

.page-products__hero h1 {
  margin: 16px 0 0;
  max-width: 17ch;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products__lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products__hero-signal {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, 0 100%);
}

.page-products__signal-item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(12, 22, 48, 0.92);
}

.page-products__signal-val {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-products__signal-key {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 分段切换 ---------- */
.page-products__functions {
  background: var(--panel);
}

.page-products__switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-products .segment__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products__switch .segment__label {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: var(--mist);
  background: rgba(12, 22, 48, 0.92);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.page-products__switch .segment__label:hover {
  color: var(--glow);
}

.page-products #pfunc-1:checked + .segment__label,
.page-products #pfunc-2:checked + .segment__label,
.page-products #pfunc-3:checked + .segment__label,
.page-products #pfunc-4:checked + .segment__label,
.page-products #pfunc-5:checked + .segment__label {
  color: var(--white);
  background: var(--violet);
  box-shadow: 0 12px 30px -16px rgba(122, 92, 255, 0.95);
}

.page-products__panes {
  flex: 1 1 100%;
  position: relative;
}

.page-products__pane {
  display: none;
  padding: clamp(18px, 3vw, 32px);
  background: rgba(6, 11, 26, 0.6);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-products #pfunc-1:checked ~ .page-products__panes > .page-products__pane:nth-child(1),
.page-products #pfunc-2:checked ~ .page-products__panes > .page-products__pane:nth-child(2),
.page-products #pfunc-3:checked ~ .page-products__panes > .page-products__pane:nth-child(3),
.page-products #pfunc-4:checked ~ .page-products__panes > .page-products__pane:nth-child(4),
.page-products #pfunc-5:checked ~ .page-products__panes > .page-products__pane:nth-child(5) {
  display: block;
  animation: pp-pane-in var(--t-slow) var(--ease) both;
}

@keyframes pp-pane-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-products__pane-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products__pane-main > h3,
.page-products__pane-head > h3 {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 25px);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products__pane-main > p,
.page-products__pane-head > p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products__pane-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

/* ---------- 图片 ---------- */
.page-products .figure {
  margin: 0;
}

.page-products .figure__frame {
  overflow: hidden;
  background: #08122a;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-md)) 0, 100% var(--cut-md), 100% 100%, 0 100%);
}

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

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products__pane .figure--wide {
  margin-bottom: clamp(4px, 1vw, 10px);
}

/* ---------- 步骤条 ---------- */
.page-products__steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products__step {
  background: rgba(12, 22, 48, 0.72);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-products__step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

.page-products__step summary::-webkit-details-marker { display: none; }

.page-products__step summary::after {
  content: "+";
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-products__step[open] summary::after { content: "–"; }

.page-products__step-no {
  flex: 0 0 auto;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid rgba(25, 227, 214, 0.45);
}

.page-products__step-name { flex: 0 1 auto; }

.page-products__step-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-products__step > p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 进度时间线 ---------- */
.page-products__timeline {
  list-style: none;
  margin: 20px 0 0;
  padding: 0 0 0 2px;
  border-left: 1px dashed var(--line);
}

.page-products__timeline li {
  position: relative;
  padding: 0 0 18px 22px;
}

.page-products__timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(25, 227, 214, 0.75);
}

.page-products__timeline strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-products__timeline span {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 旧版对照数据 ---------- */
.page-products__facts {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products__fact {
  padding: 16px 18px;
  background: rgba(22, 34, 74, 0.45);
  border-left: 2px solid var(--gold);
}

.page-products__fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--gold);
}

.page-products__fact p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 记录回溯 ---------- */
.page-products__logarea { display: block; }

.page-products__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 18px;
}

.page-products__filters .tag {
  padding: 7px 14px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  background: rgba(12, 22, 48, 0.72);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-products__filters .tag:hover { color: var(--glow); }

.page-products #plog-all:checked ~ .page-products__filters label[for="plog-all"],
.page-products #plog-ver:checked ~ .page-products__filters label[for="plog-ver"],
.page-products #plog-entry:checked ~ .page-products__filters label[for="plog-entry"],
.page-products #plog-sync:checked ~ .page-products__filters label[for="plog-sync"],
.page-products #plog-compat:checked ~ .page-products__filters label[for="plog-compat"] {
  color: var(--white);
  background: rgba(122, 92, 255, 0.92);
  border-color: rgba(122, 92, 255, 0.92);
}

.page-products__log {
  list-style: none;
  display: flex;
  gap: 14px;
  margin: 18px 0 0;
  padding: 4px 0 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-products__log li {
  flex: 0 0 min(292px, 78vw);
  padding: 18px;
  scroll-snap-align: start;
  background: rgba(12, 22, 48, 0.86);
  border: 1px solid var(--line);
  border-top: 3px solid var(--violet);
  transition: transform var(--t-mid) var(--ease), border-top-color var(--t-mid) var(--ease);
}

.page-products__log li:hover {
  transform: translateY(-4px);
  border-top-color: var(--cyan);
}

.page-products__log-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-products__log .tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
}

.page-products__log p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products #plog-ver:checked ~ .page-products__log > li:not([data-cat="ver"]),
.page-products #plog-entry:checked ~ .page-products__log > li:not([data-cat="entry"]),
.page-products #plog-sync:checked ~ .page-products__log > li:not([data-cat="sync"]),
.page-products #plog-compat:checked ~ .page-products__log > li:not([data-cat="compat"]) {
  display: none;
}

/* ---------- 收藏说明 ---------- */
.page-products__bullets {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

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

.page-products__bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 版本演进 ---------- */
.page-products__iterate {
  background: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products__iterate-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products__stat {
  position: relative;
  padding: 22px 18px 24px;
  background: rgba(12, 22, 48, 0.82);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
}

.page-products__stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--gold));
}

.page-products__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-products__stat-label {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products__iterate-note {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products__iterate-note p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products__iterate-note a,
.page-products__support-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 214, 0.4);
}

/* ---------- 下一步 ---------- */
.page-products__support {
  background: var(--panel);
}

.page-products__support-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-products__support-card {
  display: block;
  padding: clamp(22px, 3vw, 30px);
  color: var(--white);
  text-decoration: none;
  background: rgba(12, 22, 48, 0.82);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  clip-path: polygon(0 0, calc(100% - var(--cut-md)) 0, 100% var(--cut-md), 100% 100%, 0 100%);
  transition: transform var(--t-mid) var(--ease), border-left-color var(--t-mid) var(--ease),
    background var(--t-mid) var(--ease);
}

.page-products__support-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--cyan);
  background: rgba(16, 28, 58, 0.95);
}

.page-products__support-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-products__support-card h3 {
  margin: 12px 0 0;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products__support-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products__support-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
}

.page-products__support-note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products__support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products__hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products__pane-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products__pane-grid--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products__iterate-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products__switch {
    gap: 10px;
  }

  .page-products__switch .segment__label {
    font-size: 16px;
    padding: 14px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .page-products__log li:hover,
  .page-products__support-card:hover {
    transform: none;
  }
}