.page-products {
  --pp-cut: 22px;
  --pp-gap: clamp(16px, 2.2vw, 26px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 页首 ---------- */
.page-products .dl-head {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-products .dl-head__row {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 24px);
}

.page-products .dl-head h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 6px 0 0;
}

.page-products .dl-head .annotation {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  opacity: 0.85;
  white-space: nowrap;
}

.page-products .page-head__lede {
  max-width: 74ch;
  margin-top: clamp(16px, 2.4vw, 24px);
  color: var(--silver);
  line-height: 1.85;
}

.page-products .dl-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--wire);
}

.page-products .dl-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--wire);
}

.page-products .dl-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.02em;
}

.page-products .dl-fact__num--cyan { color: var(--cyan); }
.page-products .dl-fact__num--gold { color: var(--gold); }

.page-products .dl-fact__plus {
  font-size: 0.6em;
  vertical-align: super;
  margin-left: 1px;
}

.page-products .dl-fact__txt {
  font-size: 13px;
  color: var(--silver);
}

/* ---------- 章节补充 ---------- */
.page-products .section__sub {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--silver);
  line-height: 1.7;
  max-width: 62ch;
}

.page-products .mini-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.page-products .mini-title::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 2px;
  background: var(--cyan);
  vertical-align: middle;
  margin-right: 10px;
}

/* ---------- 图片容器 ---------- */
.page-products .shot {
  position: relative;
  margin: 0;
  background: var(--panel);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, var(--pp-cut) 100%, 0 calc(100% - var(--pp-cut)));
}

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

.page-products .shot figcaption {
  padding: 12px 18px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--silver);
  border-top: 1px solid var(--wire);
  background: var(--ink-deep);
}

.page-products .shot--wide {
  margin: 0 0 var(--pp-gap);
}

.page-products .shot--wide img {
  aspect-ratio: 16 / 9;
}

.page-products .shot--square img,
.page-products .shot--tall img {
  aspect-ratio: 4 / 3;
}

/* ---------- 01 档案包卡片 ---------- */
.page-products .pack-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pack-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 24px 24px;
  min-height: 210px;
  background:
    linear-gradient(155deg, rgba(20, 224, 216, 0.07), rgba(20, 224, 216, 0) 46%),
    linear-gradient(158deg, #101A28 0%, #0A111B 76%);
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, var(--pp-cut) 100%, 0 calc(100% - var(--pp-cut)));
  transition: transform var(--t-base);
}

.page-products .pack-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(159, 170, 189, 0.05) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(159, 170, 189, 0.05) 0 1px, transparent 1px 34px);
  opacity: 0.7;
  pointer-events: none;
}

.page-products .pack-card--cyan {
  background:
    linear-gradient(155deg, rgba(20, 224, 216, 0.13), rgba(20, 224, 216, 0) 52%),
    linear-gradient(158deg, #101A28 0%, #0A111B 76%);
}

.page-products .pack-card--gold {
  background:
    linear-gradient(155deg, rgba(255, 138, 43, 0.14), rgba(255, 138, 43, 0) 52%),
    linear-gradient(158deg, #101A28 0%, #0A111B 76%);
}

.page-products .pack-card > * {
  position: relative;
  z-index: 1;
}

.page-products .pack-format {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 4px 9px;
  color: var(--archive);
  border: 1px solid currentColor;
  border-radius: 2px;
}

.page-products .pack-format--cyan { color: var(--cyan); }
.page-products .pack-format--gold { color: var(--gold); }
.page-products .pack-format--arch { color: var(--archive); }

.page-products .pack-title {
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
  color: var(--white);
  margin: 0;
  letter-spacing: 0.01em;
}

.page-products .pack-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-products .pack-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--wire);
}

.page-products .pack-meta > div {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-products .pack-meta dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--silver);
  opacity: 0.75;
}

.page-products .pack-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
}

/* ---------- 02 步骤条 ---------- */
.page-products .season-picker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 26px;
  padding: 16px 18px;
  background: var(--panel);
  border-left: 3px solid var(--cyan);
}

.page-products .season-picker__label {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .step {
  position: relative;
  padding: 20px 18px 18px;
  background: linear-gradient(160deg, #0E1622, #0A111B);
  border-top: 2px solid var(--wire);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
  opacity: 0.85;
}

.page-products .step-title {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-products .step-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 03 包内结构 ---------- */
.page-products .inner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .inner-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--wire);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-products .tree {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .tree-children {
  list-style: none;
  margin: 0;
  padding: 6px 0 0 18px;
  border-left: 1px solid var(--wire);
}

.page-products .tree-children li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 5px 0;
  color: var(--white);
}

.page-products .tree-node--root > .tree-name {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(20, 224, 216, 0.1);
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-products .tree-count {
  font-size: 12px;
  color: var(--silver);
  opacity: 0.85;
}

.page-products .field-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .field-table caption {
  text-align: left;
  padding-bottom: 10px;
  font-size: 12.5px;
  color: var(--silver);
}

.page-products .field-table th {
  text-align: left;
  padding: 9px 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--cyan);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .field-table td {
  padding: 10px;
  color: var(--silver);
  border-bottom: 1px solid var(--wire);
  line-height: 1.6;
}

.page-products .field-table td code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--white);
}

.page-products .inner-grid__col .shot {
  margin-bottom: 22px;
}

/* ---------- 04 查询组件 ---------- */
.page-products .split-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-products .split-block__text p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .split-block__foot {
  margin-top: 18px !important;
  padding: 14px 16px;
  background: var(--panel);
  border-left: 3px solid var(--gold);
  font-size: 13.5px !important;
  color: var(--white) !important;
}

.page-products .check-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .check-list li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-products .check-mark {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .split-block__media img {
  aspect-ratio: 7 / 5;
}

/* ---------- 05 格式与校验 ---------- */
.page-products .format-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .format-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  background: linear-gradient(160deg, #0E1622, #0A111B);
  border-top: 2px solid var(--cyan-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
}

.page-products .format-card--gold {
  border-top-color: var(--gold);
}

.page-products .format-title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}

.page-products .format-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .format-list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--wire);
  display: grid;
  gap: 7px;
}

.page-products .format-list li {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-products .format-list li::before {
  content: "▸";
  margin-right: 8px;
  color: var(--cyan);
}

.page-products .format-card--gold .format-list li::before {
  color: var(--gold);
}

.page-products .naming-block {
  padding: clamp(20px, 3vw, 32px) 0 clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--wire);
  border-bottom: 1px solid var(--wire);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-products .naming {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3vw, 26px);
  letter-spacing: 0.04em;
}

.page-products .naming-seg {
  padding: 6px 12px;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.page-products .naming-seg--brand { color: var(--white); }
.page-products .naming-seg--type { color: var(--archive); }
.page-products .naming-seg--season { color: var(--cyan); }
.page-products .naming-seg--rev { color: var(--gold); }

.page-products .naming-sep {
  color: var(--silver);
  opacity: 0.6;
}

.page-products .naming-legend {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: var(--silver);
  line-height: 1.7;
}

.page-products .naming-legend li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .naming-legend strong {
  font-family: var(--font-mono);
  color: var(--white);
}

.page-products .legend-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  transform: translateY(-1px);
}

.page-products .legend-dot--brand { background: var(--white); }
.page-products .legend-dot--type { background: var(--archive); }
.page-products .legend-dot--season { background: var(--cyan); }
.page-products .legend-dot--rev { background: var(--gold); }

.page-products .verify-block {
  margin-top: clamp(24px, 3vw, 36px);
  padding: 22px 24px;
  background: linear-gradient(120deg, rgba(108, 120, 255, 0.12), rgba(108, 120, 255, 0) 62%);
  border-left: 3px solid var(--archive);
}

.page-products .verify-block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

/* ---------- 06 适用场景 ---------- */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-bottom: var(--pp-gap);
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  background: linear-gradient(165deg, #0E1622, #090F18);
  border-left: 3px solid var(--cyan);
}

.page-products .scene-card--gold {
  border-left-color: var(--gold);
  background: linear-gradient(165deg, rgba(255, 138, 43, 0.09), #090F18 70%);
}

.page-products .scene-tag {
  align-self: flex-start;
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 4px 10px;
  color: var(--cyan);
  background: rgba(20, 224, 216, 0.1);
}

.page-products .scene-tag--gold {
  color: var(--gold);
  background: rgba(255, 138, 43, 0.12);
}

.page-products .scene-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-products .scene-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .scene-list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--wire);
  display: grid;
  gap: 6px;
}

.page-products .scene-list li {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--white);
  opacity: 0.88;
}

/* ---------- 07 疑问入口 ---------- */
.page-products .faq-list {
  display: grid;
  gap: 10px;
}

.page-products .faq-item {
  background: var(--panel);
  border-left: 2px solid var(--wire);
  transition: border-color var(--t-fast);
}

.page-products .faq-item[open] {
  border-left-color: var(--cyan);
}

.page-products .faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 46px 18px 20px;
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.6;
}

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

.page-products .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
}

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

.page-products .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .faq-a {
  padding: 0 20px 20px;
}

.page-products .faq-a p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--silver);
}

.page-products .faq-a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--wire);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .dl-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pack-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .pack-card--hero { grid-column: span 4; }
  .page-products .pack-card--side { grid-column: span 2; }
  .page-products .pack-card--third { grid-column: span 2; }

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

  .page-products .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 900px) {
  .page-products .inner-grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }

  .page-products .split-block {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-products .split-block__media {
    position: sticky;
    top: 96px;
  }

  .page-products .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .step {
    padding: 20px 20px 20px 18px;
    background: transparent;
    border-top: 2px solid var(--wire);
    margin-right: 18px;
  }

  .page-products .step:last-child {
    margin-right: 0;
  }

  .page-products .step::after {
    content: "";
    position: absolute;
    right: -10px;
    top: -2px;
    width: 1px;
    height: 58px;
    background: linear-gradient(180deg, var(--cyan), transparent);
    transform: rotate(16deg);
    transform-origin: top center;
    opacity: 0.55;
  }

  .page-products .step:last-child::after {
    display: none;
  }

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

  .page-products .verify-block {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    align-items: start;
  }

  .page-products .verify-block .mini-title {
    margin-bottom: 0;
  }
}

@media (min-width: 1100px) {
  .page-products .shot--wide {
    margin-bottom: calc(var(--pp-gap) * 1.4);
  }

  .page-products .pack-card--hero {
    padding-right: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pack-card,
  .page-products .faq-item {
    transition: none;
  }
}