.page-products {
  --prj-pad: clamp(26px, 3.6vw, 52px);
}

/* ---------- 页头 ---------- */
.page-products .prj-head {
  border-bottom: 1px solid var(--line);
  padding-block: clamp(26px, 4vw, 60px) clamp(22px, 3vw, 38px);
}

.page-products .prj-head .crumbs {
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

.page-products .prj-head .eyebrow {
  display: block;
  margin: 0 0 10px;
}

.page-products .prj-head .display {
  margin: 0;
  max-width: 20ch;
}

.page-products .prj-lede {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 46em;
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.86;
}

.page-products .prj-params {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .prj-params li {
  background: var(--ink);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .prj-params__v {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--cyan);
  line-height: 1.1;
}

.page-products .prj-params__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .prj-quick {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
}

/* ---------- 设备条 ---------- */
.page-products .prj-devices {
  padding-block: clamp(20px, 3vw, 36px) 0;
}

.page-products .devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .device {
  background: var(--ink-2);
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-products .device__icon {
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--cyan);
}

.page-products .device__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .device__text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14.5px;
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 三栏动线 ---------- */
.page-products .track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  padding-block: clamp(26px, 3.6vw, 52px);
}

.page-products .prj-stack {
  display: grid;
  gap: 0;
  min-width: 0;
}

/* ---------- 项目卡片 ---------- */
.page-products .prj {
  border-top: 1px solid var(--line);
  padding-block: var(--prj-pad);
  min-width: 0;
}

.page-products .prj:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .prj__param {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  color: var(--muted);
}

.page-products .prj__no {
  display: inline-block;
  padding: 2px 8px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-products .prj h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 26ch;
}

.page-products .prj__body {
  margin-top: clamp(18px, 2.4vw, 28px);
  display: grid;
  gap: var(--gap);
  min-width: 0;
}

.page-products .prj__body .prose {
  max-width: 40em;
}

.page-products .prj__media {
  margin: 0;
}

/* ---------- 媒体容器 ---------- */
.page-products .media {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

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

.page-products .media--phone { aspect-ratio: 9 / 16; }
.page-products .media--tablet { aspect-ratio: 14 / 9; }
.page-products .media--3x2 { aspect-ratio: 3 / 2; }
.page-products .media--wide { aspect-ratio: 16 / 5; }

.page-products .media-caption {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .prj-band {
  margin: clamp(24px, 3.4vw, 46px) 0;
  border-left: 0;
  border-right: 0;
}

/* ---------- 展开组微调 ---------- */
.page-products .prj .expand {
  margin-top: clamp(16px, 2vw, 24px);
}

.page-products .expend,
.page-products .expand__body p {
  max-width: 42em;
}

.page-products .expand__body ul {
  margin: 0 0 12px;
  padding-left: 1.1em;
}

.page-products .expand__body li {
  margin-bottom: 6px;
}

/* ---------- 三栏示意 ---------- */
.page-products .mock {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 92px;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .mock__col {
  background: var(--ink-2);
  padding: 14px 10px;
}

.page-products .mock__col--main {
  background: var(--ink);
}

.page-products .mock__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .mock__bar {
  display: block;
  height: 4px;
  margin-bottom: 7px;
  background: var(--line);
}

.page-products .mock__bar--main { background: #24404d; }
.page-products .mock__bar--on { background: var(--cyan); }
.page-products .mock__bar--warn { background: var(--yellow); }

/* ---------- 轮次刻度尺 ---------- */
.page-products .scale {
  margin: 0;
  overflow-x: auto;
  padding-bottom: 4px;
}

.page-products .scale__row {
  display: grid;
  grid-template-columns: repeat(10, minmax(48px, 1fr));
  min-width: 520px;
  border-top: 1px solid var(--line);
}

.page-products .scale__tick {
  position: relative;
  padding: 14px 0 10px 8px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .scale__tick::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: transparent;
}

.page-products .scale__tick--now {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-products .scale__tick--now::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 5px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-products .scale__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 四个固定模块 ---------- */
.page-products .mods {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .mod {
  background: var(--ink-2);
  padding: 16px 16px 18px;
}

.page-products .mod__no {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .mod h3 {
  margin: 8px 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .mod p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 性能对比 ---------- */
.page-products .speed {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .speed__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  background: var(--ink);
  padding: 14px 16px;
  font-family: var(--font-mono);
}

.page-products .speed__k {
  flex: 1 1 180px;
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--muted);
}

.page-products .speed__from {
  font-size: 15px;
  color: var(--muted);
  text-decoration: line-through;
}

.page-products .speed__arrow {
  color: var(--red);
}

.page-products .speed__to {
  font-size: 22px;
  font-weight: 500;
  color: var(--cyan);
}

/* ---------- 变更说明栏 ---------- */
.page-products .changelog {
  align-self: start;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 16px;
  min-width: 0;
}

.page-products .changelog__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--yellow);
}

.page-products .changelog__note {
  margin: 0 0 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .changelog__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .changelog__list li {
  border-left: 2px solid var(--line);
  padding-left: 10px;
}

.page-products .changelog__batch {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .changelog__text {
  display: block;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--paper);
  opacity: 0.88;
}

/* ---------- 收尾 ---------- */
.page-products .prj-cta {
  border-top: 1px solid var(--line);
  background: var(--ink-2);
  padding-block: clamp(32px, 4.4vw, 66px);
}

.page-products .prj-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.3;
  color: var(--paper);
}

.page-products .prj-cta__lede {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prj-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-products .mods {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prj-params {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .prj__body--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
  .page-products .prj__body--flip .prj__media {
    order: -1;
  }
}

@media (min-width: 900px) {
  .page-products .track {
    grid-template-columns: var(--rail) minmax(0, 1fr);
  }
  .page-products .rail {
    position: sticky;
    top: 24px;
    align-self: start;
  }
}

@media (min-width: 1000px) {
  .page-products .mods {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .track {
    grid-template-columns: var(--rail) minmax(0, 1fr) 264px;
  }
  .page-products .changelog {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 559px) {
  .page-products .mock {
    grid-template-columns: 40px minmax(0, 1fr) 62px;
  }
  .page-products .mock__label {
    letter-spacing: 0.04em;
  }
  .page-products .prj h2 {
    max-width: none;
  }
}