.page-products {
  --pp-line: rgba(127, 211, 224, 0.16);
  --pp-line-strong: rgba(127, 211, 224, 0.34);
  --pp-glow: 0 26px 60px -40px rgba(58, 114, 248, 0.85);
  --pp-step: clamp(22px, 3vw, 40px);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-products .prod-crumb {
  padding-top: clamp(16px, 2.4vw, 28px);
  padding-bottom: clamp(10px, 1.6vw, 18px);
}
.page-products .prod-crumb .breadcrumb {
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 60px) 0 clamp(24px, 3.4vw, 40px);
  background:
    radial-gradient(115% 88% at 80% 6%, rgba(108, 92, 224, 0.42), transparent 62%),
    radial-gradient(92% 74% at 8% 96%, rgba(58, 114, 248, 0.3), transparent 60%),
    linear-gradient(180deg, #0a1029 0%, var(--c-night) 58%, var(--c-night-deep) 100%);
}
.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%, rgba(245, 248, 255, 0.55), transparent 60%),
    radial-gradient(1.2px 1.2px at 62% 14%, rgba(127, 211, 224, 0.5), transparent 60%),
    radial-gradient(1.6px 1.6px at 86% 46%, rgba(245, 248, 255, 0.4), transparent 60%),
    radial-gradient(1.1px 1.1px at 34% 72%, rgba(127, 211, 224, 0.4), transparent 60%),
    radial-gradient(1.3px 1.3px at 74% 84%, rgba(245, 248, 255, 0.35), transparent 60%);
  opacity: 0.85;
}
.page-products .prod-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: center;
}
.page-products .prod-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.16;
  font-size: clamp(1.95rem, 4.4vw, 3.4rem);
  color: var(--ink);
}
.page-products .prod-hero__lead .lede {
  margin-top: 18px;
  max-width: 60ch;
  color: var(--ink-dim);
}
.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}
.page-products .prod-hero__figure {
  margin: 0;
}
.page-products .prod-hero__figure .media-frame {
  box-shadow: var(--pp-glow);
}
.page-products .prod-hero__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-mute);
}
.page-products .prod-hero__strip {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin-top: clamp(24px, 3.4vw, 40px);
  padding-top: 16px;
  border-top: 1px solid var(--pp-line);
  font-size: 12.5px;
  color: var(--c-mist);
  letter-spacing: 0.04em;
}

/* ---------- 章节头 ---------- */
.page-products .prod-head {
  max-width: 74ch;
  margin-bottom: clamp(22px, 3.2vw, 40px);
}
.page-products .prod-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.008em;
  line-height: 1.24;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  color: var(--ink);
}
.page-products .prod-head .lede {
  margin-top: 14px;
  color: var(--ink-dim);
}

/* ---------- 呼吸段 ---------- */
.page-products + .prod-breath,
.prod-breath {
  background: linear-gradient(180deg, var(--c-night) 0%, #050914 100%);
}
.page-products ~ .prod-breath {
  background: none;
}
.prod-breath__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding: clamp(24px, 4vw, 46px) 0 clamp(26px, 4.4vw, 52px);
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  text-transform: uppercase;
}
.page-products .prod-breath .prod-breath__inner {
  border-top: none;
}

/* ---------- 九项配置 ---------- */
.page-products .prod-spec {
  padding-top: clamp(38px, 5.4vw, 76px);
  padding-bottom: clamp(38px, 5.4vw, 76px);
}
.page-products .prod-spec__grid {
  align-items: start;
  gap: clamp(26px, 3.4vw, 46px);
}
.page-products .prod-spec__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}
.page-products .prod-spec__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--pp-line);
}
.page-products .prod-spec__item:first-child {
  border-top: 1px solid var(--pp-line);
}
.page-products .prod-spec__idx {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-nebula);
  padding-top: 4px;
}
.page-products .prod-spec__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}
.page-products .prod-spec__top h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.008em;
  color: var(--ink);
}
.page-products .prod-spec__body p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-dim);
}
.page-products .prod-spec__how {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--pp-line);
  background: rgba(16, 26, 56, 0.72);
  color: var(--c-mist);
  font-size: 13px;
  letter-spacing: 0.02em;
}
.page-products .prod-spec__side {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  align-content: start;
}
.page-products .prod-spec__figure {
  margin: 0;
}
.page-products .prod-spec__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-mute);
}
.page-products .prod-spec__tip {
  padding: clamp(18px, 2.4vw, 24px);
}
.page-products .prod-spec__tip p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}
.page-products .prod-spec__tip .btn {
  margin-top: 16px;
}

/* ---------- 四档说明 ---------- */
.page-products .prod-tier {
  padding-top: clamp(34px, 5vw, 70px);
  padding-bottom: clamp(34px, 5vw, 70px);
}
.page-products .prod-tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}
.page-products .prod-tier__item {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(16, 26, 56, 0.92), rgba(7, 11, 26, 0.92));
  border: 1px solid var(--pp-line);
  overflow: hidden;
}
.page-products .prod-tier__item::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-mist), transparent 70%);
  opacity: 0.5;
}
.page-products .prod-tier__item--ok::after {
  background: linear-gradient(90deg, var(--c-flag-green), transparent 70%);
}
.page-products .prod-tier__item--info::after {
  background: linear-gradient(90deg, var(--c-flag-blue), transparent 70%);
}
.page-products .prod-tier__item--limit::after {
  background: linear-gradient(90deg, var(--c-flag-yellow), transparent 70%);
}
.page-products .prod-tier__item--warn::after {
  background: linear-gradient(90deg, var(--c-flag-red), transparent 70%);
}
.page-products .prod-tier__item h3 {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .prod-tier__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-dim);
}
.page-products .prod-tier__bar {
  margin-top: 16px;
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(147, 163, 201, 0.18);
  overflow: hidden;
}
.page-products .prod-tier__bar span {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--c-mist), var(--c-flag-blue));
}
.page-products .prod-tier__item--ok .prod-tier__bar span {
  background: linear-gradient(90deg, var(--c-mist), var(--c-flag-green));
}
.page-products .prod-tier__item--limit .prod-tier__bar span {
  background: linear-gradient(90deg, var(--c-flag-yellow), #d98f24);
}
.page-products .prod-tier__item--warn .prod-tier__bar span {
  background: linear-gradient(90deg, var(--c-flag-red), #a42a23);
}

/* ---------- 适配矩阵 ---------- */
.page-products .prod-matrix {
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(38px, 5.4vw, 78px);
}
.page-products .prod-matrix__figure {
  margin: 0 0 clamp(26px, 3.4vw, 42px);
}
.page-products .prod-matrix__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-mute);
}
.page-products .prod-matrix__grid {
  gap: clamp(24px, 3.2vw, 42px);
  align-items: start;
}
.page-products .prod-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-bottom: 16px;
}
.page-products .prod-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mist);
}
.page-products .prod-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-products .prod-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: #0d1530;
  border-bottom: 1px solid var(--pp-line-strong);
}
.page-products .prod-table tbody th,
.page-products .prod-table tbody td {
  padding: 13px 14px;
  text-align: left;
  border-bottom: 1px solid var(--pp-line);
  color: var(--ink-dim);
  font-weight: 400;
  white-space: nowrap;
}
.page-products .prod-table tbody th {
  color: var(--ink);
  font-weight: 600;
}
.page-products .prod-table tbody tr:nth-child(even) {
  background: rgba(16, 26, 56, 0.55);
}
.page-products .prod-table tbody tr:hover {
  background: rgba(58, 114, 248, 0.14);
}
.page-products .prod-table .mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}
.page-products .prod-table .chip {
  font-size: 12px;
  white-space: nowrap;
}

/* ---------- 表格下方折叠 ---------- */
.page-products .prod-folds {
  margin-top: clamp(20px, 2.6vw, 30px);
  display: grid;
  gap: 10px;
}
.page-products .prod-folds .fold {
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  background: rgba(16, 26, 56, 0.55);
  overflow: hidden;
}
.page-products .prod-folds .fold summary {
  cursor: pointer;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}
.page-products .prod-folds .fold summary::-webkit-details-marker {
  display: none;
}
.page-products .prod-folds .fold summary::after {
  content: "＋";
  float: right;
  color: var(--c-mist);
  font-family: var(--font-mono);
}
.page-products .prod-folds .fold[open] summary::after {
  content: "－";
}
.page-products .prod-folds .fold__body {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-dim);
}
.page-products .prod-folds .fold__body p {
  margin: 0;
}

/* ---------- 右侧状态面板 ---------- */
.page-products .prod-state {
  display: grid;
  gap: clamp(16px, 2.2vw, 22px);
}
.page-products .prod-state__panel,
.page-products .prod-state__next {
  padding: clamp(18px, 2.4vw, 24px);
}
.page-products .prod-state__stats {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .prod-state__stats li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--pp-line);
  font-size: 14px;
  color: var(--ink-dim);
}
.page-products .prod-state__stats li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-products .prod-state__stats b {
  color: var(--ink);
  font-size: 14.5px;
}
.page-products .prod-state__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ink-mute);
}
.page-products .prod-state__next {
  display: grid;
  gap: 10px;
  justify-items: start;
}
.page-products .prod-state__next .btn {
  width: 100%;
  text-align: center;
}

/* ---------- 包体与下载 ---------- */
.page-products .prod-pack {
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(38px, 5.4vw, 78px);
}
.page-products .prod-pack__grid {
  gap: clamp(26px, 3.4vw, 46px);
  align-items: start;
}
.page-products .prod-pack__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 22px);
}
.page-products .prod-pack__steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.2vw, 22px) clamp(16px, 2.2vw, 22px);
  border-radius: var(--r-md);
  border: 1px solid var(--pp-line);
  background: rgba(10, 16, 41, 0.62);
}
.page-products .prod-pack__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-pill);
  background: rgba(58, 114, 248, 0.18);
  color: var(--c-mist);
  font-size: 13px;
}
.page-products .prod-pack__steps h3 {
  margin: 6px 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .prod-pack__steps p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-dim);
}
.page-products .prod-pack__copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: clamp(20px, 2.6vw, 30px);
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: var(--r-md);
  border: 1px dashed var(--pp-line-strong);
}
.page-products .prod-pack__copy p {
  margin: 0;
  font-size: 14px;
  color: var(--c-mist);
  letter-spacing: 0.03em;
}
.page-products .prod-pack__figure {
  margin: 0;
}
.page-products .prod-pack__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-mute);
}

/* ---------- 礼包 ---------- */
.page-products .prod-gift {
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(38px, 5.4vw, 78px);
}
.page-products .prod-gift__grid {
  gap: clamp(18px, 2.4vw, 26px);
}
.page-products .prod-gift__card {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-lg);
  border: 1px solid var(--pp-line);
  background: linear-gradient(165deg, rgba(16, 26, 56, 0.9), rgba(7, 11, 26, 0.86));
}
.page-products .prod-gift__card h3 {
  margin: 14px 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .prod-gift__card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-dim);
}

/* ---------- 收藏 ---------- */
.page-products .prod-collect {
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(38px, 5.4vw, 78px);
}
.page-products .prod-collect__grid {
  gap: clamp(26px, 3.4vw, 46px);
  align-items: center;
}
.page-products .prod-collect__figure {
  margin: 0;
}
.page-products .prod-collect__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-mute);
}
.page-products .prod-collect__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .prod-collect__list li {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border-left: 2px solid var(--c-flag-blue);
  background: rgba(16, 26, 56, 0.5);
}
.page-products .prod-collect__list b {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.page-products .prod-collect__list span {
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink-dim);
}

/* ---------- 三步确认 ---------- */
.page-products .prod-confirm {
  padding-top: clamp(38px, 5.4vw, 78px);
  padding-bottom: clamp(44px, 6vw, 88px);
}
.page-products .prod-confirm__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}
.page-products .prod-confirm__steps li {
  position: relative;
  padding: clamp(20px, 2.6vw, 26px) clamp(20px, 2.6vw, 26px) clamp(20px, 2.6vw, 26px) clamp(62px, 6vw, 78px);
  border-radius: var(--r-lg);
  border: 1px solid var(--pp-line);
  background: rgba(10, 16, 41, 0.6);
}
.page-products .prod-confirm__num {
  position: absolute;
  left: clamp(18px, 2.2vw, 24px);
  top: clamp(22px, 2.6vw, 28px);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c-nebula);
}
.page-products .prod-confirm__steps h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .prod-confirm__steps p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-dim);
}
.page-products .prod-confirm__cta {
  margin-top: clamp(24px, 3.2vw, 40px);
  padding: clamp(22px, 2.8vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--pp-line-strong);
  background:
    radial-gradient(120% 100% at 88% 0%, rgba(108, 92, 224, 0.26), transparent 62%),
    linear-gradient(150deg, rgba(16, 26, 56, 0.95), rgba(7, 11, 26, 0.9));
  box-shadow: var(--pp-glow);
}
.page-products .prod-confirm__cta p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-dim);
}
.page-products .prod-confirm__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .prod-tier__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-pack__steps {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
  .page-products .prod-confirm__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
  .page-products .prod-spec__grid {
    align-items: start;
  }
  .page-products .prod-matrix__figure {
    margin-bottom: clamp(28px, 3.4vw, 44px);
  }
}

@media (min-width: 1240px) {
  .page-products .prod-state {
    position: sticky;
    top: 108px;
  }
  .page-products .prod-state__panel {
    box-shadow: var(--pp-glow);
  }
}

@media (max-width: 719px) {
  .page-products .prod-hero__strip {
    flex-direction: column;
    gap: 6px;
  }
  .page-products .prod-hero__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
  .page-products .prod-spec__item {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 4px 12px;
  }
  .page-products .prod-pack__copy {
    flex-direction: column;
    align-items: stretch;
  }
  .page-products .prod-confirm__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
  .page-products .prod-table {
    font-size: 13.5px;
  }
}

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