.page-products {
  --biz-gap: clamp(20px, 3vw, 40px);
  --biz-pad: clamp(18px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-products .biz-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 7.5vw, 104px) clamp(44px, 6.5vw, 88px);
  background:
    radial-gradient(900px 460px at 84% -16%, rgba(214, 168, 75, 0.20), transparent 64%),
    radial-gradient(760px 440px at 6% 110%, rgba(79, 174, 155, 0.15), transparent 62%),
    linear-gradient(180deg, var(--yl-black) 0%, var(--yl-ink) 62%, var(--yl-ink) 100%);
}

.page-products .biz-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(247, 244, 237, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(247, 244, 237, 0.055) 1px, transparent 1px);
  background-size: 92px 92px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
}

.page-products .biz-hero > .yl-container {
  position: relative;
  z-index: 2;
}

.page-products .biz-hero__title {
  margin: clamp(16px, 2.2vw, 26px) 0 0;
  max-width: 15em;
  font-size: clamp(31px, 6.4vw, 66px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--yl-paper);
}

.page-products .biz-hero__title em {
  display: block;
  margin-top: 0.16em;
  font-style: normal;
  color: var(--yl-amber);
}

.page-products .biz-hero__lede {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 46em;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.85;
  color: rgba(247, 244, 237, 0.82);
}

.page-products .biz-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: clamp(24px, 3.2vw, 38px);
  padding: 12px 16px;
  border: 1px solid var(--yl-line);
  border-left: 3px solid var(--yl-gold);
  background: rgba(5, 10, 18, 0.55);
  font-size: 12.5px;
  color: var(--yl-warmgray);
}

.page-products .biz-hero__key {
  color: var(--yl-gold);
  letter-spacing: 0.14em;
}

.page-products .biz-hero__meta .yl-path__value {
  color: var(--yl-paper);
}

/* ---------- 页内目录 ---------- */
.page-products .biz-toc {
  margin-top: clamp(24px, 3vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .biz-toc .yl-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--yl-line);
  background: rgba(18, 40, 76, 0.5);
  font-size: 13px;
  color: var(--yl-paper);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-products .biz-toc .yl-index__link:hover,
.page-products .biz-toc .yl-index__link:focus-visible {
  border-color: var(--yl-line-strong);
  background: rgba(214, 168, 75, 0.14);
  color: var(--yl-amber);
}

.page-products .biz-toc .yl-index__num {
  font-size: 11px;
  color: var(--yl-gold);
}

/* ---------- 章节标题微调 ---------- */
.page-products .yl-section__head {
  margin-bottom: var(--biz-gap);
}

.page-products .yl-section__title {
  max-width: 22em;
}

.page-products .yl-section__lede {
  max-width: 48em;
}

/* ---------- 功能地图 ---------- */
.page-products .biz-map__figure {
  margin: 0 0 var(--biz-gap);
}

.page-products .biz-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: var(--biz-gap);
  border: 1px solid var(--yl-line);
  background: var(--yl-line);
}

.page-products .biz-kpis .yl-kpi {
  padding: 18px 16px;
  background: rgba(11, 27, 51, 0.9);
}

.page-products .biz-kpis .yl-kpi__value {
  font-size: clamp(20px, 3vw, 27px);
  color: var(--yl-amber);
  letter-spacing: 0.01em;
}

.page-products .biz-kpis .yl-kpi__label {
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--yl-warmgray);
}

/* 筛选工具条 */
.page-products .biz-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--yl-line);
}

.page-products .biz-toolbar__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .biz-toolbar .yl-filter {
  padding: 8px 16px;
  border: 1px solid var(--yl-line);
  background: transparent;
  color: var(--yl-warmgray);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products .biz-toolbar .yl-filter:hover {
  color: var(--yl-paper);
  border-color: var(--yl-line-strong);
}

.page-products .biz-toolbar .yl-filter[aria-pressed="true"] {
  color: var(--yl-ink);
  background: var(--yl-gold);
  border-color: var(--yl-gold);
}

.page-products .yl-toolbar__status {
  font-size: 13px;
  color: var(--yl-warmgray);
}

.page-products .yl-filter__count {
  color: var(--yl-amber);
}

/* 功能卡片 */
.page-products .biz-features {
  align-items: stretch;
}

.page-products .biz-feature {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--biz-pad);
  border-top: 2px solid var(--yl-line);
  background: linear-gradient(158deg, rgba(18, 40, 76, 0.92), rgba(11, 27, 51, 0.92));
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.page-products .biz-feature[data-cat="acct"],
.page-products .biz-feature[data-cat="query"] {
  border-top-color: var(--yl-jade);
}

.page-products .biz-feature[data-cat="bonus"] {
  border-top-color: var(--yl-coral);
}

.page-products .biz-feature[data-cat="doc"],
.page-products .biz-feature[data-cat="archive"] {
  border-top-color: var(--yl-gold);
}

.page-products .biz-feature:hover {
  transform: translateY(-3px);
}

.page-products .biz-feature .yl-card__meta {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--yl-warmgray);
}

.page-products .biz-feature .yl-card__title {
  font-size: 18px;
  color: var(--yl-paper);
}

.page-products .biz-feature .yl-card__text {
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 244, 237, 0.74);
}

.page-products .biz-feature__link {
  align-self: flex-start;
  font-size: 13.5px;
  color: var(--yl-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 200, 106, 0.4);
  padding-bottom: 2px;
}

.page-products .biz-feature__link:hover,
.page-products .biz-feature__link:focus-visible {
  border-bottom-color: var(--yl-amber);
}

/* ---------- 通用分栏 ---------- */
.page-products .biz-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--biz-gap);
  align-items: start;
}

.page-products .biz-split > * {
  min-width: 0;
}

.page-products .biz-split__body > .yl-note:last-child {
  margin-top: 20px;
}

/* ---------- 账户 ---------- */
.page-products .biz-acc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .biz-acc-list .yl-acc {
  border: 1px solid var(--yl-line);
  border-left: 3px solid var(--yl-jade);
  background: rgba(5, 10, 18, 0.42);
}

.page-products .biz-acc-list .yl-acc__summary {
  padding: 14px 16px;
  font-size: 15px;
  color: var(--yl-paper);
  cursor: pointer;
}

.page-products .biz-acc-list .yl-acc__body {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(247, 244, 237, 0.75);
}

.page-products .biz-acc-list .yl-acc__body a {
  color: var(--yl-amber);
}

.page-products .biz-account__note a,
.page-products .biz-query .yl-note a,
.page-products .biz-archive .yl-note a,
.page-products .biz-start__text a {
  color: var(--yl-amber);
}

/* ---------- 记录查询 ---------- */
.page-products .biz-query__lead {
  margin-top: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 244, 237, 0.82);
}

.page-products .biz-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid rgba(79, 174, 155, 0.28);
  background: rgba(79, 174, 155, 0.22);
}

.page-products .biz-checklist li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 14px 16px;
  background: rgba(11, 27, 51, 0.92);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 244, 237, 0.78);
}

.page-products .biz-checklist__key {
  flex: 0 0 auto;
  min-width: 68px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--yl-jade);
  padding-top: 3px;
}

.page-products .biz-table {
  margin-top: var(--biz-gap);
}

.page-products .biz-table .yl-table {
  min-width: 620px;
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .biz-table .yl-table th,
.page-products .biz-table .yl-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--yl-line);
  vertical-align: top;
}

.page-products .biz-table .yl-table thead th {
  font-family: var(--yl-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yl-gold);
  background: rgba(18, 40, 76, 0.72);
}

.page-products .biz-table .yl-table tbody td {
  color: rgba(247, 244, 237, 0.8);
}

.page-products .biz-table .yl-table tbody td:first-child {
  font-family: var(--yl-mono);
  font-size: 13px;
  color: var(--yl-jade);
  white-space: nowrap;
}

.page-products .biz-table .yl-table tbody tr:hover td {
  background: rgba(18, 40, 76, 0.5);
}

/* ---------- 比例中心 ---------- */
.page-products .biz-tierbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin-bottom: var(--biz-gap);
}

.page-products .biz-tierbar__seg {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 16px 18px;
  border-left: 3px solid var(--yl-coral);
  background: linear-gradient(140deg, rgba(255, 122, 89, 0.24), rgba(214, 168, 75, 0.1));
}

.page-products .biz-tierbar__seg em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 244, 237, 0.68);
}

.page-products .biz-tierbar__seg b {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--yl-paper);
}

.page-products .biz-tierbar__seg--shift {
  border-left-color: var(--yl-amber);
}

.page-products .biz-tierbar__seg--end {
  border-left-color: var(--yl-gold);
  background: linear-gradient(140deg, rgba(214, 168, 75, 0.24), rgba(255, 122, 89, 0.08));
}

/* ---------- 归档 ---------- */
.page-products .biz-archive__lead {
  margin-top: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 244, 237, 0.82);
}

.page-products .biz-pathcard {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 22px 0;
  padding: var(--biz-pad);
  border: 1px dashed var(--yl-line-strong);
  background: rgba(5, 10, 18, 0.72);
}

.page-products .biz-pathcard__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--yl-gold);
}

.page-products .biz-pathcard__value {
  margin: 0;
  font-size: clamp(14px, 2.4vw, 19px);
  color: var(--yl-paper);
  word-break: break-all;
}

.page-products .biz-pathcard__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .biz-pathcard .yl-copy {
  padding: 9px 18px;
  border: 1px solid var(--yl-gold);
  background: transparent;
  color: var(--yl-gold);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products .biz-pathcard .yl-copy:hover,
.page-products .biz-pathcard .yl-copy:focus-visible {
  background: var(--yl-gold);
  color: var(--yl-ink);
}

.page-products .biz-pathcard .yl-copy__status {
  font-size: 12.5px;
  color: var(--yl-jade);
}

.page-products .biz-checklist--archive {
  border-color: rgba(214, 168, 75, 0.3);
  background: rgba(214, 168, 75, 0.2);
}

.page-products .biz-checklist--archive .biz-checklist__key {
  color: var(--yl-gold);
}

/* ---------- 上手流程（浅色区） ---------- */
.page-products .biz-start .yl-section__num {
  color: #8a6a1f;
}

.page-products .biz-start .yl-section__title {
  color: var(--yl-ink);
}

.page-products .biz-start .yl-section__lede {
  color: #4a5568;
}

.page-products .biz-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-products .biz-flow__step {
  padding: 22px 18px 26px;
  background: #ffffff;
  border-top: 3px solid var(--yl-gold);
}

.page-products .biz-flow__step:nth-child(3) {
  border-top-color: var(--yl-jade);
}

.page-products .biz-flow__step:nth-child(4) {
  border-top-color: var(--yl-coral);
}

.page-products .biz-flow__num {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: #8a6a1f;
}

.page-products .biz-flow__title {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--yl-ink);
}

.page-products .biz-flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #4a5568;
}

.page-products .biz-start__cta {
  margin-top: var(--biz-gap);
  padding: var(--biz-pad);
  border-left: 3px solid var(--yl-coral);
  background: rgba(255, 255, 255, 0.72);
}

.page-products .biz-start__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #3d4757;
}

.page-products .biz-start__text a {
  color: #8a6a1f;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .biz-start__actions {
  margin-top: 18px;
}

/* ---------- 图片容器补充 ---------- */
.page-products .yl-figure {
  margin: 0;
}

.page-products .yl-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .yl-figure__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--yl-warmgray);
}

.page-products .yl-section--light .yl-figure__cap {
  color: #6b7280;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .biz-kpis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .biz-pathcard {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
  }

  .page-products .biz-pathcard__label {
    flex: 0 0 auto;
  }

  .page-products .biz-pathcard__value {
    flex: 1 1 320px;
  }
}

@media (min-width: 880px) {
  .page-products .biz-split {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .biz-split--flip > .biz-split__body {
    order: 1;
  }

  .page-products .biz-split--flip > .biz-split__aside {
    order: 2;
  }

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

  .page-products .biz-account .biz-split {
    grid-template-columns: 4fr 8fr;
  }

  .page-products .biz-archive .biz-split {
    grid-template-columns: 5fr 7fr;
  }
}

@media (min-width: 960px) {
  .page-products .biz-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-products .biz-hero__meta {
    font-size: 11.5px;
  }

  .page-products .biz-feature__link {
    font-size: 13px;
  }

  .page-products .biz-checklist__key {
    min-width: 100%;
  }
}