.page-products {
  background: var(--ink-950);
  color: var(--text);
  overflow-x: clip;
}

.page-products p { margin: 0; line-height: 1.8; }
.page-products h2,
.page-products h3 { margin: 0; }

/* 面包屑 */
.page-products .pp-crumbs { padding-top: clamp(18px, 3vw, 28px); }
.page-products .pp-crumbs ol {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 0; padding: 0; list-style: none;
  font-size: .78rem; letter-spacing: .06em;
}
.page-products .pp-crumbs li { display: flex; align-items: center; gap: 8px; color: var(--slate); }
.page-products .pp-crumbs a { color: var(--slate); text-decoration: none; border-bottom: 1px solid transparent; }
.page-products .pp-crumbs a:hover { color: var(--summer); border-bottom-color: var(--summer); }
.page-products .pp-crumbs li + li::before { content: "›"; color: var(--line-strong); }
.page-products .pp-crumbs [aria-current="page"] { color: var(--text-soft); }

/* 通用标签与标题 */
.page-products .pp-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--slate);
}
.page-products .pp-eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--summer); flex: 0 0 auto; }
.page-products .pp-eyebrow--spring::before { background: var(--spring); }
.page-products .pp-eyebrow--summer::before { background: var(--summer); }
.page-products .pp-eyebrow--autumn::before { background: var(--autumn); }

.page-products .pp-head { display: flex; flex-direction: column; gap: 14px; max-width: 74ch; margin-bottom: clamp(30px, 4vw, 54px); }
.page-products .pp-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 3.8vw, 3rem);
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--paper-50);
}
.page-products .pp-h3 { font-size: 1.02rem; font-weight: 600; letter-spacing: .01em; color: var(--text); }
.page-products .pp-sub { color: var(--text-soft); font-size: .98rem; }

/* 首屏 */
.page-products .pp-hero { padding: clamp(24px, 4vw, 46px) 0 clamp(50px, 8vw, 100px); }
.page-products .pp-hero__grid { display: grid; gap: clamp(30px, 5vw, 60px); align-items: start; }
.page-products .pp-hero__text { max-width: 44ch; }
.page-products .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.2vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  margin: .42em 0 .55em;
  color: var(--paper-50);
}
.page-products .pp-hero__title em { font-style: normal; color: var(--summer); }
.page-products .pp-lede { color: var(--text-soft); font-size: clamp(1rem, 1.1vw, 1.08rem); max-width: 52ch; }

.page-products .pp-cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.page-products .pp-stats {
  display: flex; flex-wrap: wrap; gap: clamp(20px, 3vw, 38px);
  margin-top: clamp(28px, 4vw, 42px); padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}
.page-products .pp-stat { display: flex; flex-direction: column; gap: 6px; }
.page-products .pp-stat__n {
  font-family: var(--font-mono); font-weight: 600;
  font-size: 1.35rem; letter-spacing: .04em; color: var(--paper-50);
}
.page-products .pp-stat__l { font-size: .75rem; letter-spacing: .08em; color: var(--slate); max-width: 15ch; }

.page-products .pp-hero__panel { position: relative; margin: 0; }
.page-products .pp-hero__panel::before {
  content: "";
  position: absolute; left: 0; right: 0; top: -9px; height: 3px;
  background: linear-gradient(90deg, var(--spring) 0 25%, var(--summer) 25% 50%, var(--autumn) 50% 75%, var(--winter) 75% 100%);
}
.page-products .pp-hero__panel img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--line); border-radius: 2px;
  background: var(--ink-700);
}

.page-products .pp-caption { margin-top: 12px; font-size: .78rem; letter-spacing: .04em; color: var(--slate); }

/* 章节外壳 */
.page-products .pp-sec { padding: clamp(52px, 7vw, 96px) 0; }
.page-products .pp-sec + .pp-sec { border-top: 1px solid var(--line-soft); }
.page-products .pp-sec--tight { padding-top: clamp(44px, 6vw, 76px); }

/* 三件事 */
.page-products .pp-why { display: grid; gap: 16px; }
.page-products .pp-why__item {
  position: relative;
  display: flex; flex-direction: column; gap: 12px;
  padding: 32px 24px 30px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 2px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
.page-products .pp-why__item::before {
  content: ""; position: absolute; top: 0; left: 0; width: 64px; height: 3px;
  background: var(--acc, var(--summer));
}
.page-products .pp-why__item:nth-child(1) { --acc: var(--spring); }
.page-products .pp-why__item:nth-child(2) { --acc: var(--summer); }
.page-products .pp-why__item:nth-child(3) { --acc: var(--autumn); }
.page-products .pp-why__num { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .18em; color: var(--acc); }
.page-products .pp-why__item p { color: var(--text-soft); font-size: .95rem; }

/* 三步引导 */
.page-products .pp-steps { display: grid; gap: clamp(24px, 3vw, 40px); }
.page-products .pp-rail__list {
  position: relative;
  display: flex; gap: 10px;
  margin: 0; padding: 0 0 6px; list-style: none;
  overflow-x: auto;
}
.page-products .pp-rail__item {
  position: relative; flex: 0 0 auto;
  display: flex; align-items: center; gap: 12px;
  min-width: 168px; padding: 14px 16px;
  font: inherit; font-size: .9rem; text-align: left;
  color: var(--text-soft);
  background: var(--ink-800);
  border: 1px solid var(--line); border-radius: 2px;
  cursor: pointer; appearance: none;
  transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.page-products .pp-rail__item:hover { border-color: var(--line-strong); color: var(--paper-50); }
.page-products .pp-rail__item[aria-selected="true"] {
  background: var(--ink-700);
  border-color: var(--summer);
  color: var(--paper-50);
}
.page-products .pp-rail__num { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .16em; color: var(--slate); transition: color .25s var(--ease); }
.page-products .pp-rail__item[aria-selected="true"] .pp-rail__num { color: var(--summer); }

.page-products .pp-panels { min-width: 0; }
.page-products .pp-panel {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-products .pp-panel::before {
  content: ""; position: absolute; top: 0; left: 0; width: 52px; height: 3px;
  background: var(--acc, var(--summer));
}
.page-products .pp-panel:nth-child(1) { --acc: var(--spring); }
.page-products .pp-panel:nth-child(2) { --acc: var(--summer); }
.page-products .pp-panel:nth-child(3) { --acc: var(--autumn); }
.page-products .pp-panel + .pp-panel { margin-top: 22px; }
.page-products .pp-panel[hidden] { display: none; }

.page-products .pp-panel__inner { display: grid; gap: clamp(22px, 3vw, 36px); align-items: start; }
.page-products .pp-panel__text p { color: var(--text-soft); font-size: .96rem; margin-top: 14px; }

.page-products .pp-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 11px; }
.page-products .pp-list li { position: relative; padding-left: 20px; color: var(--text-soft); font-size: .94rem; line-height: 1.7; }
.page-products .pp-list li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: 9px; height: 2px; background: var(--acc, var(--summer));
}

.page-products .pp-shot { margin: 0; position: relative; }
.page-products .pp-shot img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--line); border-radius: 2px;
  background: var(--ink-700);
}

/* 数据面板 */
.page-products .pp-panelgrid { display: grid; gap: clamp(26px, 4vw, 48px); align-items: start; }
.page-products .pp-datacard {
  position: relative;
  padding: 24px 22px 22px 26px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-products .pp-datacard::before {
  content: ""; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
  background: var(--acc, var(--summer));
}
.page-products .pp-datacard + .pp-datacard { margin-top: 16px; }
.page-products .pp-datacard:nth-child(1) { --acc: var(--summer); }
.page-products .pp-datacard:nth-child(2) { --acc: var(--coral); }
.page-products .pp-datacard:nth-child(3) { --acc: var(--autumn); }
.page-products .pp-datacard__head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px;
  margin-bottom: 12px;
}
.page-products .pp-datacard p { color: var(--text-soft); font-size: .94rem; }
.page-products .pp-updated {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em;
  color: var(--slate);
}
.page-products .pp-updated::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--acc); flex: 0 0 auto; }

/* 纸色章节 */
.page-products .pp-sec.pp-paper {
  background: var(--paper-50);
  color: var(--paper-ink);
  border-top-color: var(--paper-300);
}
.page-products .pp-paper .pp-h2 { color: var(--paper-ink); }
.page-products .pp-paper .pp-sub { color: #5c5248; }
.page-products .pp-paper .pp-eyebrow { color: #7a6e61; }
.page-products .pp-paper .pp-eyebrow::before { background: var(--autumn); }

.page-products .pp-versions { display: grid; gap: 16px; }
.page-products .pp-ver {
  display: flex; flex-direction: column;
  padding: 26px 22px 24px;
  background: rgba(23, 19, 16, .035);
  border: 1px solid var(--paper-300);
  border-radius: 2px;
}
.page-products .pp-ver__name {
  font-family: var(--font-display); font-weight: 900;
  font-size: 1.22rem; letter-spacing: -.01em; color: var(--paper-ink);
  margin: 0 0 6px;
}
.page-products .pp-ver__tag { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; color: #8a7c6c; margin: 0 0 18px; }
.page-products .pp-ver__row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 14px;
  padding: 9px 0; border-top: 1px solid var(--paper-300);
  font-size: .88rem;
}
.page-products .pp-ver__key { color: #6f6459; flex: 0 0 auto; }
.page-products .pp-ver__val { font-family: var(--font-mono); font-weight: 600; letter-spacing: .02em; text-align: right; color: var(--paper-ink); }

.page-products .pp-ver--feature {
  background: var(--ink-950);
  border-color: var(--ink-950);
  color: var(--text);
}
.page-products .pp-ver--feature .pp-ver__name { color: var(--paper-50); }
.page-products .pp-ver--feature .pp-ver__tag { color: var(--summer); }
.page-products .pp-ver--feature .pp-ver__key { color: var(--slate); }
.page-products .pp-ver--feature .pp-ver__val { color: var(--paper-50); }
.page-products .pp-ver--feature .pp-ver__row { border-top-color: rgba(217, 227, 235, .16); }

/* 三种场景 */
.page-products .pp-scenes { display: grid; gap: clamp(26px, 4vw, 48px); align-items: start; }
.page-products .pp-scene__item {
  position: relative;
  padding: 22px 22px 22px 26px;
  border-left: 2px solid var(--acc, var(--line-strong));
  background: linear-gradient(90deg, rgba(217, 227, 235, .05), transparent 72%);
  border-radius: 0 2px 2px 0;
}
.page-products .pp-scene__item + .pp-scene__item { margin-top: 18px; }
.page-products .pp-scene__item:nth-child(1) { --acc: var(--spring); }
.page-products .pp-scene__item:nth-child(2) { --acc: var(--summer); }
.page-products .pp-scene__item:nth-child(3) { --acc: var(--autumn); }
.page-products .pp-scene__time {
  display: block; margin-bottom: 10px;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em;
  color: var(--acc);
}
.page-products .pp-scene__item p { margin-top: 12px; color: var(--text-soft); font-size: .94rem; }

/* 开始使用 */
.page-products .pp-sec--start { padding-bottom: clamp(64px, 9vw, 120px); }
.page-products .pp-start { display: grid; gap: clamp(24px, 3vw, 40px); align-items: start; }
.page-products .pp-start__list {
  counter-reset: ppstart;
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 12px;
}
.page-products .pp-start__list li {
  counter-increment: ppstart;
  position: relative;
  padding: 16px 20px 16px 62px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text-soft);
  font-size: .96rem;
}
.page-products .pp-start__list li::before {
  content: counter(ppstart, decimal-leading-zero);
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-weight: 600;
  font-size: .9rem; letter-spacing: .1em; color: var(--summer);
}
.page-products .pp-start__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.page-products .pp-accordion { margin-top: clamp(30px, 4vw, 48px); display: grid; gap: 10px; }
.page-products .pp-accordion .accordion__item {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.page-products .pp-accordion .accordion__trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 16px 20px;
  font: inherit; font-size: .95rem; text-align: left;
  color: var(--text);
  background: transparent; border: 0; cursor: pointer;
}
.page-products .pp-accordion .accordion__trigger:hover { color: var(--summer); }
.page-products .pp-accordion .accordion__body {
  padding: 0 20px 18px;
  color: var(--text-soft);
  font-size: .92rem; line-height: 1.75;
}
.page-products .pp-accordion .accordion__body a { color: var(--summer); text-decoration: none; border-bottom: 1px solid transparent; }
.page-products .pp-accordion .accordion__body a:hover { border-bottom-color: var(--summer); }

/* 响应式 */
@media (min-width: 820px) {
  .page-products .pp-why { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
  .page-products .pp-why__item:nth-child(2) { margin-top: 20px; }
  .page-products .pp-versions { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
}

@media (min-width: 880px) {
  .page-products .pp-panel__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
  .page-products .pp-panel:nth-child(even) .pp-panel__inner { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
  .page-products .pp-panel:nth-child(even) .pp-panel__text { order: 2; }
}

@media (min-width: 940px) {
  .page-products .pp-hero__grid { grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr); }
  .page-products .pp-hero__panel { margin-top: clamp(56px, 7vw, 96px); }
  .page-products .pp-panelgrid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .page-products .pp-scenes { grid-template-columns: minmax(0, 4.5fr) minmax(0, 6.5fr); }
}

@media (min-width: 960px) {
  .page-products .pp-steps { grid-template-columns: 236px minmax(0, 1fr); align-items: start; }
  .page-products .pp-rail__list {
    position: sticky; top: 120px;
    flex-direction: column; gap: 12px;
    padding: 6px 0 6px 26px;
    overflow: visible;
  }
  .page-products .pp-rail__list::before {
    content: "";
    position: absolute; left: 8px; top: 16px; bottom: 16px; width: 1px;
    background: linear-gradient(180deg, var(--spring) 0 26%, var(--summer) 26% 52%, var(--autumn) 52% 78%, var(--winter) 78% 100%);
    opacity: .5;
  }
  .page-products .pp-rail__item { min-width: 0; }
  .page-products .pp-rail__item::before {
    content: "";
    position: absolute; left: -22px; top: 50%; transform: translateY(-50%);
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--ink-950);
    border: 1px solid var(--line-strong);
    transition: background .25s var(--ease), border-color .25s var(--ease);
  }
  .page-products .pp-rail__item[aria-selected="true"]::before { background: var(--summer); border-color: var(--summer); }
}

@media (min-width: 860px) {
  .page-products .pp-start { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
}

@media (max-width: 700px) {
  .page-products .pp-hero__title { font-size: clamp(1.9rem, 8.4vw, 2.6rem); }
  .page-products .pp-stat__l { max-width: none; }
}

@media (max-width: 560px) {
  .page-products .pp-stats { gap: 16px 26px; }
  .page-products .pp-stat__n { font-size: 1.15rem; }
  .page-products .pp-panel { padding: 20px 16px; }
  .page-products .pp-datacard { padding: 22px 16px 20px 20px; }
  .page-products .pp-start__list li { padding: 14px 16px 14px 56px; }
  .page-products .pp-start__list li::before { left: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * { transition: none !important; animation: none !important; }
}