.inner-v2 .section.st-factors,
.inner-v2 .section.st-record {
  background: #fff;
}

.inner-v2 .section.st-advantages,
.inner-v2 .section.st-risk {
  background: var(--inner-paper);
}

/* 策略体系页中，策略线/组合区块紧随数据看板，保持明暗交替 */
.inner-v2 .section.quant-data + .section.st-products {
  border-top: 1px solid var(--inner-line);
  background: #fff;
}

.inner-v2 .section.st-products + .section.st-record {
  border-top: 1px solid var(--inner-line);
  background: var(--inner-paper);
}

/* 机构方案页中，机构配置区块与上方组合结构区分层级 */
.inner-v2 .section.solutions-portfolio + .section.st-portfolios {
  border-top: 1px solid var(--inner-line);
  background: #fff;
}

/* 量化维度页中，量化优势紧随五维能力区块 */
.inner-v2 .section.platform + .section.st-advantages {
  border-top: 1px solid var(--inner-line);
  background: #fff;
}

.st-advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.st-advantage {
  padding: 28px 26px 24px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
}

.st-advantage__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--inner-line);
}

.st-advantage__head span {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
}

.st-advantage__head h3 {
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.st-advantage dl {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.st-advantage dl > div {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.st-advantage dt {
  padding-top: 1px;
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.05em;
}

.st-advantage dd {
  color: var(--text-soft);
  font-size: var(--fs-body);
  line-height: 1.8;
}

.st-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.st-product {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 26px 26px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 22px 58px -50px rgba(41, 37, 33, 0.4);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.st-product:hover {
  border-color: rgba(150, 52, 56, 0.32);
  transform: translateY(-2px);
}

.st-product__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.st-product__code {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
}

.st-tag {
  padding: 3px 9px;
  border: 1px solid rgba(150, 52, 56, 0.24);
  border-radius: 999px;
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
}

.st-product h3 {
  margin-top: 18px;
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: clamp(24px, 2.1vw, 30px);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.st-product > p {
  margin-top: 12px;
  color: var(--inner-muted);
  font-size: var(--fs-body);
  line-height: 1.9;
}

.st-product ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.st-product ul li {
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--inner-paper);
  color: var(--text-soft);
  font-size: var(--fs-xs);
}

.st-factor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.st-factor {
  padding: 24px 22px 22px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
}

.st-factor__tag {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.st-factor h3 {
  margin-top: 12px;
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: 19px;
  font-weight: 500;
}

.st-factor__use {
  margin-top: 6px;
  color: var(--inner-muted);
  font-size: var(--fs-xs);
  line-height: 1.7;
}

.st-factor ul {
  display: grid;
  gap: 7px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--inner-line);
}

.st-factor ul li {
  position: relative;
  padding-left: 13px;
  color: var(--text-soft);
  font-size: var(--fs-sm);
}

.st-factor ul li::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--inner-red);
}

.st-modules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.st-module {
  padding: 24px 22px 22px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: var(--inner-paper);
}

.st-module__no {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.st-module h3 {
  margin-top: 12px;
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: 19px;
  font-weight: 500;
}

.st-module__use {
  margin-top: 6px;
  color: var(--inner-muted);
  font-size: var(--fs-xs);
  line-height: 1.7;
}

.st-module ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.st-module ul li {
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff;
  color: var(--text-soft);
  font-size: var(--fs-xs);
}

.st-flow {
  margin-top: 20px;
  padding: 26px 26px 24px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
}

.st-flow__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--inner-line);
}

.st-flow__head span {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.st-flow__head p {
  color: var(--inner-muted);
  font-size: var(--fs-sm);
}

.st-flow__steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.st-flow__steps li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  border-radius: 10px;
  background: var(--inner-paper);
}

.st-flow__steps li span {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
}

.st-flow__steps li strong {
  color: var(--inner-ink);
  font-size: var(--fs-body);
  font-weight: 650;
}

.st-flow__steps li small {
  color: var(--inner-muted);
  font-size: var(--fs-xs);
  line-height: 1.6;
}

.st-flow__note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--inner-line);
  color: var(--inner-muted);
  font-size: var(--fs-xs);
}

.st-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.st-portfolio {
  padding: 26px 24px 22px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
}

.st-portfolio__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.st-portfolio__code {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  font-weight: 700;
  letter-spacing: 0.16em;
}

.st-portfolio__ratio {
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: 22px;
  letter-spacing: 0.02em;
}

.st-portfolio h3 {
  margin-top: 10px;
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: 22px;
  font-weight: 500;
}

.st-portfolio__bar {
  height: 6px;
  margin-top: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--inner-paper);
}

.st-portfolio__bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--inner-red-dark), var(--inner-red));
}

.st-portfolio dl {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.st-portfolio dl > div {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.st-portfolio dt {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.st-portfolio dd {
  color: var(--text-soft);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.st-portfolio__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--inner-line);
  color: var(--inner-ink);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

.st-portfolio__meta span {
  color: var(--inner-muted);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
}

.st-chart {
  margin: 0;
}

.st-portfolio .st-chart {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--inner-line);
}

.st-chart img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  background: #fff;
}

.st-chart figcaption {
  margin-top: 10px;
  color: var(--inner-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  line-height: 1.6;
  letter-spacing: 0.03em;
}

.st-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.st-metric {
  padding: 22px 20px 20px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
}

.st-metric__label {
  color: var(--inner-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.st-metric strong {
  display: block;
  margin-top: 8px;
  color: var(--inner-red-dark);
  font-family: var(--inner-serif);
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.st-metric p {
  margin-top: 8px;
  color: var(--inner-muted);
  font-size: 12.5px;
  line-height: 1.7;
}

.st-chart-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.st-chart-grid .st-chart {
  padding: 20px 18px 16px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
}

@media (min-width: 1025px) {
  .st-chart-grid .st-chart {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      'head'
      'img'
      'caption';
    row-gap: 14px;
    padding: 22px 22px 20px;
  }

  .st-chart-grid .st-chart__head {
    grid-area: head;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 12px;
    margin-bottom: 0;
  }

  .st-chart-grid .st-chart figcaption {
    grid-area: caption;
    margin-top: 0;
  }

  .st-chart-grid .st-chart img {
    grid-area: img;
  }
}

.st-chart__head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.st-chart__head span {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
}

.st-chart__head strong {
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: 19px;
  font-weight: 500;
}

.st-chart__head small {
  color: var(--inner-muted);
  font-size: var(--fs-xs);
}

.st-fit {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-top: 22px;
  padding: 24px 26px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: var(--inner-paper);
}

.st-fit__label {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.st-fit__items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 26px;
}

.st-fit__items p {
  color: var(--inner-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.st-fit__items strong {
  display: block;
  margin-bottom: 4px;
  color: var(--inner-ink);
  font-size: var(--fs-body);
  font-weight: 650;
}

.st-disclaimer {
  margin-top: 22px;
  padding: 14px 18px;
  border-left: 2px solid rgba(150, 52, 56, 0.4);
  color: var(--inner-muted);
  font-size: var(--fs-xs);
  line-height: 1.8;
}

.st-risk-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.st-risk-card {
  padding: 24px 22px 22px;
  border: 1px solid rgba(41, 37, 33, 0.1);
  border-radius: 12px;
  background: #fff;
}

.st-risk-card span {
  color: var(--inner-red);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.st-risk-card h3 {
  margin-top: 12px;
  color: var(--inner-ink);
  font-family: var(--inner-serif);
  font-size: 20px;
  font-weight: 500;
}

.st-risk-card p {
  margin-top: 10px;
  color: var(--inner-muted);
  font-size: var(--fs-sm);
  line-height: 1.85;
}

.st-contact {
  padding: clamp(48px, 6vw, 76px) 0;
  background: var(--inner-red-dark);
  color: #fff;
}

.st-contact__inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.st-contact__kicker {
  display: inline-block;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
}

.st-contact h2 {
  color: #fff;
  font-family: var(--inner-serif);
  font-size: var(--fs-section-title);
  font-weight: 500;
  line-height: var(--lh-section-title);
  letter-spacing: -0.04em;
}

.st-contact__button {
  display: inline-flex;
  min-width: 188px;
  min-height: 50px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 19px;
  border: 1px solid rgba(255, 255, 255, 0.47);
  border-radius: 5px;
  color: #fff;
  font-size: var(--fs-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.st-contact__button:hover {
  background: #fff;
  color: var(--inner-red-dark);
}

.st-contact__button span {
  font-size: 16px;
}

@media (max-width: 1180px) {
  .st-factor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .st-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .st-chart-grid {
    grid-template-columns: 1fr;
  }

  .st-flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .st-modules,
  .st-risk-grid {
    grid-template-columns: 1fr;
  }

  .st-advantage-grid,
  .st-product-grid,
  .st-portfolio-grid {
    grid-template-columns: 1fr;
  }

  .st-fit {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .st-contact__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 26px;
  }
}

@media (max-width: 768px) {
  .st-advantage,
  .st-product,
  .st-portfolio,
  .st-factor,
  .st-module,
  .st-risk-card,
  .st-flow {
    padding: 20px 18px 18px;
  }

  .st-flow__steps {
    grid-template-columns: 1fr;
  }

  .st-fit__items {
    grid-template-columns: 1fr;
  }

  .st-metrics {
    gap: 12px;
  }

  .st-metric strong {
    font-size: 30px;
  }
}

@media (max-width: 420px) {
  .st-metrics {
    grid-template-columns: 1fr;
  }

  .st-advantage dl > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

/* --------------------------------------------------------------------------
   机构配置：A / ABC 组合卡改为一行一张大卡片（左侧文字、右侧净值曲线）
   -------------------------------------------------------------------------- */
.inner-v2 .section.st-portfolios .st-portfolio-grid {
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 1025px) {
  .inner-v2 .section.st-portfolios .st-portfolio {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    grid-template-areas:
      'top   chart'
      'title chart'
      'bar   chart'
      'facts chart'
      'meta  chart';
    align-content: start;
    column-gap: 36px;
    padding: 32px 30px 30px;
  }

  .inner-v2 .section.st-portfolios .st-portfolio__top {
    grid-area: top;
  }

  .inner-v2 .section.st-portfolios .st-portfolio h3 {
    grid-area: title;
  }

  .inner-v2 .section.st-portfolios .st-portfolio__bar {
    grid-area: bar;
  }

  .inner-v2 .section.st-portfolios .st-portfolio dl {
    grid-area: facts;
  }

  .inner-v2 .section.st-portfolios .st-portfolio__meta {
    grid-area: meta;
  }

  .inner-v2 .section.st-portfolios .st-portfolio .st-chart {
    grid-area: chart;
    align-self: center;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
}

/* 机构方案：三种组合结构并列展示 */
.inner-v2 .section.solutions-portfolio .solution-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1024px) {
  .inner-v2 .section.solutions-portfolio .solution-grid {
    grid-template-columns: 1fr;
  }
}

/* ABC 组合卡：文字在上，净值曲线整幅在下 */
.inner-v2 .section.st-portfolios .st-portfolio--stacked .st-chart {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--inner-line);
}

@media (min-width: 1025px) {
  .inner-v2 .section.st-portfolios .st-portfolio--stacked {
    display: block;
  }

  .inner-v2 .section.st-portfolios .st-portfolio--stacked .st-chart {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--inner-line);
  }
}