/* ==============================================
   页面作用域：products / 应用方案
   移动端优先，专属选择器限定在 .page-products
   ============================================== */

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

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */
.page-products__crumbs {
  background: var(--color-darker);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.page-products__crumbs .breadcrumb {
  padding-top: .8rem;
  padding-bottom: .8rem;
}

.page-products__crumbs .breadcrumb__link {
  color: var(--color-primary-light);
  text-decoration: none;
  font-size: .875rem;
}

.page-products__crumbs .breadcrumb__link:hover {
  color: var(--color-gold);
}

.page-products__crumbs .breadcrumb__current {
  color: var(--color-white);
  font-size: .875rem;
  font-weight: 600;
}

/* ---------- 首屏英雄 ---------- */
.page-products__hero {
  position: relative;
  background: var(--color-darker);
  color: var(--color-white);
  padding: 3rem 0 3.5rem;
  overflow: hidden;
}

.page-products__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0 42%, rgba(62, 107, 74, .85) 42% 68%, rgba(193, 85, 59, .55) 68% 74%, transparent 74%),
    repeating-linear-gradient(115deg, transparent 0 26px, rgba(143, 185, 150, .1) 26px 28px, transparent 28px 52px);
  pointer-events: none;
}

.page-products__hero .container {
  position: relative;
  z-index: 1;
}

.page-products__hero-grid {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.page-products__hero-copy .section__kicker {
  color: var(--color-gold);
  font-size: .8125rem;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.page-products__hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 6vw, 4rem);
  line-height: 1.06;
  margin: .55rem 0 1.25rem;
  color: var(--color-white);
}

.page-products__hero-sub {
  display: block;
  margin-top: .45rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.8vw, 1.75rem);
  color: var(--color-gold);
  letter-spacing: .02em;
}

.page-products__hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .86);
  max-width: 40em;
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
}

.page-products__hero-actions .btn--ghost {
  border-color: rgba(255, 255, 255, .55);
  color: var(--color-white);
}

/* ---------- 战术板图形 ---------- */
.page-products__hero-board {
  max-width: 560px;
}

.page-products__board {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 3px solid var(--color-gold);
  background: rgba(255, 255, 255, .04);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .35);
  transform: rotate(2deg);
  overflow: hidden;
}

.page-products__board-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .14) 1px, transparent 1px);
  background-size: 22px 22px;
}

.page-products__board-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30%;
  aspect-ratio: 1;
  border: 2px solid rgba(255, 255, 255, .35);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.page-products__board-circle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--color-gold);
  transform: translate(-50%, -50%);
}

.page-products__board-box {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, .28);
  background: rgba(62, 107, 74, .18);
  width: 32%;
  height: 24%;
}

.page-products__board-box--top {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border-top: none;
}

.page-products__board-box--bottom {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-bottom: none;
}

.page-products__board-cross {
  position: absolute;
  width: 18px;
  height: 18px;
  border-top: 3px solid var(--color-accent);
  border-left: 3px solid var(--color-accent);
}

.page-products__board-cross::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 999px;
}

.page-products__board-cross--a { top: 14%; left: 12%; }
.page-products__board-cross--b { top: 22%; right: 14%; transform: rotate(180deg); }
.page-products__board-cross--c { bottom: 20%; left: 14%; transform: rotate(90deg); }
.page-products__board-cross--d { bottom: 12%; right: 10%; transform: rotate(-90deg); }

.page-products__board-tag {
  position: absolute;
  display: inline-flex;
  flex-direction: column;
  padding: .55rem .8rem;
  font-family: var(--font-display);
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, .3);
  line-height: 1.15;
}

.page-products__board-tag em {
  font-style: normal;
  font-size: .58rem;
  letter-spacing: .24em;
  color: var(--color-gold);
  margin-top: .2rem;
}

.page-products__board-tag strong {
  font-size: .92rem;
}

.page-products__board-tag--1 { top: 8%; left: 5%; transform: rotate(-3deg); }
.page-products__board-tag--2 { top: 13%; right: 3%; transform: rotate(4deg); }
.page-products__board-tag--3 { bottom: 15%; left: 3%; transform: rotate(2deg); }
.page-products__board-tag--4 { bottom: 5%; right: 4%; transform: rotate(-3deg); }

/* ---------- 横向色带通用 ---------- */
.page-products__belt {
  position: relative;
  padding: 3rem 0 3.25rem;
}

.page-products__belt::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  transform: skewY(-.6deg);
  transform-origin: left top;
  z-index: 2;
}

.page-products__belt--video {
  background: var(--color-white);
}

.page-products__belt--video::before {
  background: var(--color-primary);
}

.page-products__belt--legacy {
  background: var(--color-darker);
  color: var(--color-white);
}

.page-products__belt--legacy::before {
  background: var(--color-gold);
}

.page-products__belt--apple {
  background: var(--color-cream);
}

.page-products__belt--apple::before {
  background: var(--color-accent);
}

.page-products__belt--multi {
  background: var(--color-dark);
  color: var(--color-white);
}

.page-products__belt--multi::before {
  background: var(--color-primary-light);
}

/* 标题区 */
.page-products__section-head {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

.page-products__section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: .3rem;
  bottom: .3rem;
  width: .6rem;
  background: var(--color-accent);
  transform: skewX(-14deg);
}

.page-products__belt--legacy .page-products__section-head::before,
.page-products__belt--multi .page-products__section-head::before {
  background: var(--color-gold);
}

.page-products__belt--video .section__kicker,
.page-products__belt--apple .section__kicker {
  color: var(--color-primary);
}

.page-products__belt--legacy .section__kicker,
.page-products__belt--multi .section__kicker {
  color: var(--color-gold);
}

.page-products__belt--legacy .section__title,
.page-products__belt--multi .section__title {
  color: var(--color-white);
}

.page-products__belt--legacy .section__lead,
.page-products__belt--multi .section__lead {
  color: rgba(255, 255, 255, .78);
}

.page-products__h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.35;
  margin: 0 0 .75rem;
  color: var(--color-dark);
}

.page-products__belt--legacy .page-products__h3,
.page-products__belt--multi .page-products__h3 {
  color: var(--color-white);
}

.page-products__note {
  margin-top: 1.25rem;
  padding: .75rem 1rem .75rem 1.25rem;
  border-left: 4px solid var(--color-gold);
  background: rgba(232, 182, 76, .1);
  font-size: .875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .85);
}

.page-products__belt--video .page-products__note,
.page-products__belt--apple .page-products__note {
  color: var(--color-ink);
  background: var(--color-cream);
  border-left-color: var(--color-accent);
}

.page-products__note a {
  color: var(--color-gold);
}

.page-products__belt--video .page-products__note a,
.page-products__belt--apple .page-products__note a {
  color: var(--color-accent);
  font-weight: 600;
}

/* ---------- 图片框架 ---------- */
.page-products__figure {
  margin: 0;
  border: 3px solid var(--color-dark);
  box-shadow: var(--shadow-hard);
  background: var(--color-white);
  transform: rotate(-1deg);
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-products__figure:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: 8px 8px 0 rgba(26, 26, 26, .9);
}

.page-products__figure-img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products__figure figcaption {
  padding: .7rem 1rem;
  font-size: .8125rem;
  color: var(--color-dark);
  border-top: 2px solid var(--color-dark);
  background: var(--color-cream);
}

.page-products__belt--legacy .page-products__figure figcaption,
.page-products__belt--multi .page-products__figure figcaption {
  color: var(--color-white);
  background: var(--color-dark);
  border-top-color: var(--color-gold);
}

/* ---------- 01 视频集锦 ---------- */
.page-products__video-grid {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.page-products__video-copy p,
.page-products__legacy-content p,
.page-products__apple-content>p {
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
}

.page-products__check-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
}

.page-products__check-list li {
  position: relative;
  padding: .65rem 0 .65rem 1.9rem;
  border-bottom: 1px dashed var(--color-line);
  font-size: .9375rem;
  line-height: 1.55;
}

.page-products__check-list li:last-child {
  border-bottom: none;
}

.page-products__check-list li::before {
  content: "";
  position: absolute;
  left: .15rem;
  top: 1.05rem;
  width: .55rem;
  height: .55rem;
  background: var(--color-primary);
  transform: rotate(45deg);
}

.page-products__video-filter {
  margin-top: 2.5rem;
}

.page-products__filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  border: 2px solid var(--color-dark);
  background: var(--color-cream);
  box-shadow: 4px 4px 0 rgba(26, 26, 26, .15);
}

.page-products__filter-label {
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-dark);
  margin-right: .25rem;
}

.page-products .filter-btn {
  padding: .55rem 1.05rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .875rem;
  background: var(--color-white);
  color: var(--color-ink);
  border: 2px solid var(--color-dark);
  box-shadow: 3px 3px 0 rgba(26, 26, 26, .8);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  border-radius: 0;
}

.page-products .filter-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 rgba(26, 26, 26, .8);
  background: var(--color-cream);
}

.page-products .filter-btn[aria-pressed="true"] {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 rgba(26, 26, 26, .8);
}

.page-products__video-list {
  display: grid;
  gap: .9rem;
}

.page-products .is-hidden {
  display: none;
}

.page-products__video-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.25rem;
  background: var(--color-white);
  border: 2px solid var(--color-dark);
  box-shadow: 4px 4px 0 rgba(26, 26, 26, .12);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.page-products__video-item:hover {
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 rgba(26, 26, 26, .25);
  border-color: var(--color-primary);
}

.page-products__video-item-copy h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: .4rem 0 .35rem;
  color: var(--color-ink);
}

.page-products__video-item-copy p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.55;
  color: var(--color-dark);
  opacity: .82;
}

.page-products__duration {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-accent);
  white-space: nowrap;
}

/* ---------- 02 旧版目录 ---------- */
.page-products__legacy-grid {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.page-products__legacy-content {
  font-size: 1rem;
  line-height: 1.75;
}

.page-products__steps {
  counter-reset: pp-step;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-products__steps li {
  counter-increment: pp-step;
  position: relative;
  padding: 1rem 0 1rem 3.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  font-size: .9375rem;
  line-height: 1.55;
}

.page-products__steps li::before {
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .75rem;
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: .875rem;
  transform: rotate(-6deg);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, .3);
}

.page-products__steps li strong {
  color: var(--color-gold);
}

.page-products__belt--legacy .page-products__note {
  border-left-color: var(--color-gold);
}

/* ---------- 03 苹果设备指南 ---------- */
.page-products__apple-grid {
  display: grid;
  gap: 2.25rem;
  align-items: start;
}

.page-products__apple-content>p {
  margin-bottom: 1.25rem;
}

.page-products__accordion {
  display: grid;
  gap: .75rem;
}

.page-products__accordion-item {
  border: 2px solid var(--color-dark);
  background: var(--color-white);
  box-shadow: 4px 4px 0 rgba(26, 26, 26, .12);
  transition: box-shadow .2s ease;
}

.page-products__accordion-item[open] {
  box-shadow: 6px 6px 0 rgba(26, 26, 26, .2);
}

.page-products__accordion-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 1rem 3rem 1rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--color-dark);
  background: var(--color-cream);
}

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

.page-products__accordion-item summary::after {
  content: "+";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-accent);
}

.page-products__accordion-item[open] summary::after {
  content: "−";
}

.page-products__accordion-item p {
  margin: 0;
  padding: 1rem 1.25rem 1.25rem;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--color-ink);
}

.page-products__apple-context {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-products__apple-context-img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--color-dark);
  box-shadow: 4px 4px 0 rgba(26, 26, 26, .18);
}

/* ---------- 04 多端兼容 ---------- */
.page-products__multi-grid {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.page-products__multi-cards {
  display: grid;
  gap: 1rem;
}

.page-products__multi-card {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: var(--color-cream);
  border: 2px solid var(--color-white);
  color: var(--color-ink);
  box-shadow: 5px 5px 0 rgba(0, 0, 0, .28);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.page-products__multi-card:hover {
  transform: translateY(-3px) rotate(-.5deg);
  background: var(--color-white);
  box-shadow: 7px 7px 0 rgba(0, 0, 0, .32);
}

.page-products__multi-num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1rem;
  transform: rotate(-6deg);
}

.page-products__multi-card-copy h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.page-products__multi-card-copy p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.6;
  opacity: .88;
}

/* ---------- CTA ---------- */
.page-products__cta {
  position: relative;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem 0 3.5rem;
  overflow: hidden;
}

.page-products__cta::before {
  content: "";
  position: absolute;
  top: -25%;
  right: -10%;
  width: 45%;
  height: 145%;
  background: rgba(193, 85, 59, .45);
  transform: skewX(-18deg) rotate(8deg);
}

.page-products__cta .container {
  position: relative;
  z-index: 1;
}

.page-products__cta-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .75rem;
  max-width: 720px;
}

.page-products__cta .section__kicker {
  color: var(--color-gold);
}

.page-products__cta-heading {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1.3;
  margin: 0;
  color: var(--color-white);
}

.page-products__cta p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .88);
}

.page-products__cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
  margin-top: .5rem;
}

.page-products__cta-links .btn--ghost {
  border-color: rgba(255, 255, 255, .55);
  color: var(--color-white);
}

/* ---------- 平板断点 ---------- */
@media (min-width: 720px) {

  .page-products__hero {
    padding: 4rem 0 5rem;
  }

  .page-products__belt {
    padding: 3.75rem 0 4rem;
  }

  .page-products__section-head {
    margin-bottom: 2.5rem;
  }

  .page-products__video-item {
    padding: 1.25rem 1.5rem;
  }

  .page-products__apple-context {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-products__multi-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products__multi-card {
    flex-direction: column;
  }

  .page-products__cta {
    padding: 4rem 0 4.5rem;
  }
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 960px) {

  .page-products__hero-grid {
    grid-template-columns: 1.12fr .88fr;
    gap: 3.5rem;
  }

  .page-products__video-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
  }

  .page-products__legacy-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.25rem;
  }

  .page-products__apple-grid {
    grid-template-columns: .92fr 1.08fr;
    gap: 3.25rem;
  }

  .page-products__multi-grid {
    grid-template-columns: 1.15fr .85fr;
    gap: 3.25rem;
  }

  .page-products__multi-cards {
    grid-template-columns: 1fr;
  }

  .page-products__multi-card {
    flex-direction: row;
  }
}