/* ===== 平台服务页 · 看台工具箱 ===== */
.page-products {
  --pf-skew: -3deg;
  --pf-glow: 0 0 0 1px rgba(255, 107, 26, .35), 0 18px 40px -22px rgba(255, 107, 26, .55);
}

.page-products .pf-hero {
  padding-block: 1.25rem clamp(2rem, 5vw, 3.5rem);
}

.page-products .pf-title {
  margin: .5rem 0 1rem;
  font-size: clamp(2.1rem, 7.5vw, 4.1rem);
  line-height: 1.08;
  transform: skewX(var(--pf-skew));
  transform-origin: left bottom;
}

.page-products .pf-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: center;
}

.page-products .pf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-products .pf-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .9rem 1rem;
  margin: 2rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pf-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.page-products .pf-stat-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .02em;
}

.page-products .pf-hero-stats li:nth-child(2) .pf-stat-num { color: var(--ice); }
.page-products .pf-hero-stats li:nth-child(3) .pf-stat-num { color: var(--text); }
.page-products .pf-hero-stats li:nth-child(4) .pf-stat-num { color: var(--grass); }

.page-products .pf-stat-label {
  font-size: .82rem;
  color: var(--muted);
}

/* 首屏手机视觉（纯 CSS） */
.page-products .pf-hero-visual {
  display: flex;
  justify-content: center;
}

.page-products .pf-phone {
  position: relative;
  width: min(300px, 82%);
  aspect-ratio: 9 / 17;
  padding: .85rem;
  border-radius: 38px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 60% at 80% 0%, rgba(79, 195, 247, .16), transparent 62%),
    linear-gradient(165deg, var(--ink-mid), var(--ink-deep));
  box-shadow: var(--shadow-card), 0 0 60px -18px rgba(79, 195, 247, .35);
  transform: rotate(var(--pf-skew));
}

.page-products .pf-phone::after {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 50px;
  border: 1px solid rgba(255, 107, 26, .28);
  animation: pf-pulse 3.4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pf-pulse {
  0%, 100% { opacity: .25; transform: scale(.99); }
  50% { opacity: .75; transform: scale(1.015); }
}

.page-products .pf-phone-notch {
  position: absolute;
  top: .5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 6px;
  border-radius: var(--pill);
  background: rgba(245, 249, 255, .14);
}

.page-products .pf-phone-screen {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  height: 100%;
  padding: 1.4rem .9rem .9rem;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(7, 15, 26, .85), rgba(10, 26, 47, .6));
}

.page-products .pf-phone-status {
  display: flex;
  gap: .35rem;
}

.page-products .pf-phone-status span {
  width: 26px;
  height: 5px;
  border-radius: var(--pill);
  background: rgba(79, 195, 247, .45);
}

.page-products .pf-phone-status span:nth-child(2) { background: rgba(79, 195, 247, .28); }
.page-products .pf-phone-status span:nth-child(3) { background: rgba(255, 107, 26, .55); }

.page-products .pf-phone-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .4rem;
  padding: .9rem .7rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(17, 20, 24, .75);
}

.page-products .pf-score-side {
  font-size: .72rem;
  color: var(--muted);
}

.page-products .pf-score-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
}

.page-products .pf-phone-bars {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.page-products .pf-phone-bars span {
  display: block;
  height: 8px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, rgba(79, 195, 247, .55), rgba(79, 195, 247, .05));
}

.page-products .pf-phone-bars span:nth-child(1) { width: 88%; }
.page-products .pf-phone-bars span:nth-child(2) { width: 62%; }
.page-products .pf-phone-bars span:nth-child(3) { width: 74%; }
.page-products .pf-phone-bars span:nth-child(4) { width: 46%; }

.page-products .pf-phone-chip {
  margin-top: auto;
  padding: .45rem .7rem;
  border-radius: var(--pill);
  border: 1px solid rgba(46, 204, 113, .4);
  color: var(--grass);
  font-size: .72rem;
}

.page-products .pf-phone-cta {
  text-align: center;
  padding: .7rem;
  border-radius: var(--pill);
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color: #12100c;
  font-weight: 700;
  font-size: .9rem;
  box-shadow: var(--pf-glow);
}

/* 段落标题体系 */
.page-products .pf-sec-head {
  position: relative;
  max-width: 62ch;
  margin-bottom: 1.9rem;
  padding-left: .2rem;
}

.page-products .pf-sec-title {
  margin: .35rem 0 .7rem;
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-products .pf-sec-lede {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
}

/* 01 功能网格 */
.page-products .pf-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}

.page-products .pf-overview-media {
  order: 2;
}

.page-products .pf-media-2x3 { aspect-ratio: 2 / 3; }
.page-products .pf-media-3x2 { aspect-ratio: 3 / 2; }
.page-products .pf-media-4x3 { aspect-ratio: 4 / 3; }
.page-products .pf-media-2x1 { aspect-ratio: 2 / 1; }

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

.page-products .pf-func-grid {
  order: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pf-func-card {
  position: relative;
  padding: 1.1rem 1.1rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(17, 20, 24, .92), rgba(10, 26, 47, .78));
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.page-products .pf-func-card:hover,
.page-products .pf-func-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-products .pf-func-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: .7rem;
  border-radius: 14px;
  color: var(--orange);
  background: rgba(255, 107, 26, .1);
  border: 1px solid rgba(255, 107, 26, .28);
}

.page-products .pf-func-card:nth-child(2n) .pf-func-icon {
  color: var(--ice);
  background: rgba(79, 195, 247, .1);
  border-color: rgba(79, 195, 247, .3);
}

.page-products .pf-func-card:nth-child(3n) .pf-func-icon {
  color: var(--grass);
  background: rgba(46, 204, 113, .1);
  border-color: rgba(46, 204, 113, .3);
}

.page-products .pf-func-card .card-title {
  margin: 0 0 .4rem;
  font-size: 1.05rem;
  font-weight: 800;
}

.page-products .pf-func-card .card-text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 02 / 04 双栏 */
.page-products .pf-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  align-items: center;
}

.page-products .pf-split-copy p {
  color: var(--text-soft);
  line-height: 1.78;
}

.page-products .pf-check-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-products .pf-check-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  align-items: start;
  padding: .85rem .95rem;
  border-radius: var(--radius-sm);
  border-left: 2px solid rgba(255, 107, 26, .5);
  background: rgba(17, 20, 24, .6);
}

.page-products .pf-check-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .85rem;
  color: var(--orange);
  padding-top: .15rem;
}

.page-products .pf-check-body {
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pf-check-body strong {
  display: block;
  color: var(--text);
  font-size: .98rem;
  margin-bottom: .15rem;
}

/* 03 案例筛选 */
.page-products .pf-cases-banner {
  margin-bottom: 1.6rem;
}

.page-products .pf-filter {
  position: relative;
}

.page-products .cf-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .cf-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.3rem;
}

.page-products .cf-pill {
  cursor: pointer;
  padding: .45rem 1rem;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(17, 20, 24, .7);
  color: var(--text-soft);
  font-size: .86rem;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-products .cf-pill:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.page-products #cf-all:checked ~ .cf-bar label[for="cf-all"],
.page-products #cf-plaza:checked ~ .cf-bar label[for="cf-plaza"],
.page-products #cf-base:checked ~ .cf-bar label[for="cf-base"],
.page-products #cf-campus:checked ~ .cf-bar label[for="cf-campus"] {
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  border-color: transparent;
  color: #12100c;
  font-weight: 700;
}

.page-products #cf-all:focus-visible ~ .cf-bar label[for="cf-all"],
.page-products #cf-plaza:focus-visible ~ .cf-bar label[for="cf-plaza"],
.page-products #cf-base:focus-visible ~ .cf-bar label[for="cf-base"],
.page-products #cf-campus:focus-visible ~ .cf-bar label[for="cf-campus"] {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-products .case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .case-card {
  position: relative;
  overflow: hidden;
  padding: 1.1rem 1.1rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: linear-gradient(200deg, rgba(13, 32, 51, .95), rgba(17, 20, 24, .9));
  transition: transform .25s ease, border-color .25s ease;
}

.page-products .case-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), rgba(79, 195, 247, .2));
  transform: skewX(-24deg) scaleX(1.2);
  transform-origin: left center;
}

.page-products .case-card:hover {
  transform: translateY(-4px) skewX(-.6deg);
  border-color: var(--line-strong);
}

.page-products .case-card .card-meta {
  margin: 0 0 .35rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--ice);
}

.page-products .case-card .card-title {
  margin: 0 0 .4rem;
  font-size: 1.02rem;
  font-weight: 800;
}

.page-products .case-card .card-text {
  margin: 0 0 .8rem;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .case-card .tag {
  font-size: .74rem;
  color: var(--grass);
  border-color: rgba(46, 204, 113, .35);
}

.page-products #cf-plaza:checked ~ .case-grid .case-card:not([data-cat="plaza"]),
.page-products #cf-base:checked ~ .case-grid .case-card:not([data-cat="base"]),
.page-products #cf-campus:checked ~ .case-grid .case-card:not([data-cat="campus"]) {
  display: none;
}

/* 04 关注列表 */
.page-products .pf-split--reverse .pf-split-media { order: -1; }

.page-products .pf-pick {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-products .pf-pick-item {
  position: relative;
}

.page-products .pf-pick-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pf-pick-label {
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .85rem;
  padding: .9rem 1rem;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(17, 20, 24, .72);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.page-products .pf-pick-label:hover {
  border-color: var(--line-strong);
  transform: translateX(3px);
}

.page-products .pf-pick-input:focus-visible + .pf-pick-label {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.page-products .pf-pick-input:checked + .pf-pick-label {
  border-color: rgba(46, 204, 113, .55);
  background: rgba(46, 204, 113, .08);
}

.page-products .pf-pick-day {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .92rem;
  color: var(--ice);
  min-width: 2.4em;
}

.page-products .pf-pick-name {
  display: block;
  font-weight: 700;
  font-size: .95rem;
  color: var(--text);
}

.page-products .pf-pick-meta {
  display: block;
  font-size: .8rem;
  color: var(--muted);
  margin-top: .15rem;
}

.page-products .pf-pick-state {
  font-size: .8rem;
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
}

.page-products .pf-state-on { display: none; }

.page-products .pf-pick-input:checked + .pf-pick-label .pf-pick-state { color: var(--grass); }
.page-products .pf-pick-input:checked + .pf-pick-label .pf-state-on { display: inline; }
.page-products .pf-pick-input:checked + .pf-pick-label .pf-state-off { display: none; }

.page-products .pf-pick-note {
  margin: .9rem 0 0;
  font-size: .86rem;
  color: var(--muted);
}

/* 05 流程 */
.page-products .pf-flow-banner {
  margin-bottom: 1.7rem;
}

.page-products .pf-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
  counter-reset: pf-step;
}

.page-products .pf-step {
  padding: 1.15rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  border-top: 2px solid rgba(79, 195, 247, .35);
  background: rgba(13, 32, 51, .55);
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}

.page-products .pf-step:hover {
  transform: translateY(-4px);
  background: rgba(13, 32, 51, .85);
  border-top-color: var(--orange);
}

.page-products .pf-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--orange);
  margin-bottom: .6rem;
}

.page-products .pf-step-title {
  margin: 0 0 .4rem;
  font-size: 1rem;
  font-weight: 800;
}

.page-products .pf-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 收尾行动区 */
.page-products .pf-cta {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-products .pf-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 107, 26, .3);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 107, 26, .18), transparent 60%),
    radial-gradient(70% 100% at 0% 100%, rgba(79, 195, 247, .14), transparent 62%),
    linear-gradient(160deg, var(--ink-mid), var(--ink-deep));
}

.page-products .pf-cta-title {
  margin: .4rem 0 .6rem;
  font-size: clamp(1.4rem, 4.2vw, 2rem);
  font-weight: 900;
  transform: skewX(var(--pf-skew));
  transform-origin: left center;
}

.page-products .pf-cta-text {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.page-products .pf-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  align-content: start;
}

/* ---- 断点 ---- */
@media (min-width: 700px) {
  .page-products .pf-func-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pf-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pf-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pf-hero-grid {
    grid-template-columns: 1.15fr .85fr;
    gap: 3rem;
  }

  .page-products .pf-overview-grid {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.5fr);
    align-items: start;
    gap: 2rem;
  }

  .page-products .pf-overview-media {
    order: 0;
    position: sticky;
    top: 6rem;
  }

  .page-products .pf-func-grid {
    order: 0;
  }

  .page-products .pf-split {
    grid-template-columns: 1fr 1fr;
    gap: 2.6rem;
  }

  .page-products .pf-split--reverse .pf-split-media { order: 0; }

  .page-products .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pf-cta-inner {
    grid-template-columns: 1.3fr .7fr;
    align-items: center;
  }

  .page-products .pf-cta-actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-phone::after { animation: none; }
  .page-products .pf-func-card,
  .page-products .case-card,
  .page-products .pf-step,
  .page-products .pf-pick-label { transition: none; }
  .page-products .pf-func-card:hover,
  .page-products .case-card:hover,
  .page-products .pf-step:hover,
  .page-products .pf-pick-label:hover { transform: none; }
}