/* ===== 平台服务页 page-products 专属样式 ===== */
.page-products {
  --products-gold: #C9A227;
  --products-gold-soft: rgba(201, 162, 39, 0.45);
  --products-gold-line-soft: rgba(201, 162, 39, 0.14);
  --products-blue: #2F6BFF;
  --products-orange: #FF6B2C;
  --products-dark: #141414;
  --products-silver: #9BA3AF;
  --products-deck-gap: clamp(1.5rem, 3vw, 2.5rem);
  background:
    linear-gradient(rgba(201, 162, 39, 0.032) 1px, transparent 1px) 0 0 / 100% 72px,
    var(--color-black);
}

/* 页面图片响应式基础 */
.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products__img-login,
.page-products__img-mobile,
.page-products__img-dashboard,
.page-products__img-compare,
.page-products__img-expert {
  margin-top: 1.25rem;
  border: 1px solid var(--products-gold-line-soft);
}

/* ===== Intro 首屏 ===== */
.page-products__intro {
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.page-products__intro h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 4.25rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0.75rem 0 1.25rem;
  max-width: 15em;
}

.page-products__intro h1::after {
  content: "";
  display: block;
  width: 7rem;
  height: 4px;
  background: linear-gradient(90deg, var(--products-gold), transparent);
  margin-top: 1rem;
}

.page-products__intro-main > p:last-child {
  color: var(--products-silver);
  line-height: 1.75;
  max-width: 56ch;
  font-size: 1.0625rem;
}

.page-products__intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.page-products__intro-aside {
  display: none;
}

/* 斜切功能轴 */
.page-products__axis {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-products__axis-item {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--products-dark);
  border-left: 3px solid var(--products-gold);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-white);
  transform: skewX(-10deg);
  white-space: nowrap;
}

.page-products__axis-item > span {
  display: inline-block;
  transform: skewX(10deg);
}

/* ===== 功能甲板 ===== */
.page-products__deck {
  padding-bottom: var(--space-section);
}

.page-products__deck-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--products-deck-gap);
}

.page-products__col-login,
.page-products__col-data,
.page-products__col-compare {
  position: relative;
  background: var(--products-dark);
  border: 1px solid var(--products-gold-soft);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.page-products__col-login::before,
.page-products__col-data::before,
.page-products__col-compare::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 30px;
  height: 30px;
  border-top: 3px solid var(--products-gold);
  border-left: 3px solid var(--products-gold);
  pointer-events: none;
}

.page-products__col-login h3,
.page-products__col-data h3,
.page-products__col-compare h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0.5rem 0 0.75rem;
  color: var(--color-white);
}

.page-products__col-intro {
  color: var(--products-silver);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

/* 登录引导 */
.page-products__desktop-block,
.page-products__mobile-block {
  margin-top: 1.5rem;
}

.page-products__mobile-block {
  margin-top: 2rem;
  border-top: 1px dashed var(--products-gold-soft);
  padding-top: 1.5rem;
}

.page-products__block-tag {
  margin-bottom: 0.5rem;
}

.page-products__desktop-block h4,
.page-products__mobile-block h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  margin: 0.5rem 0 0.75rem;
  color: var(--color-white);
  line-height: 1.5;
}

/* 清缓存手风琴 */
.page-products__step {
  border: 1px solid var(--products-gold-line-soft);
  border-left: 2px solid var(--products-gold);
  background: rgba(10, 10, 10, 0.6);
  margin-bottom: 0.6rem;
}

.page-products__step[open] {
  border-color: var(--products-gold-soft);
  background: rgba(20, 20, 20, 0.9);
}

.page-products__step summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-white);
  transition: color 240ms cubic-bezier(0.65, 0, 0.35, 1), padding-left 240ms cubic-bezier(0.65, 0, 0.35, 1);
}

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

.page-products__step summary:hover {
  color: var(--color-gold);
  padding-left: 1.25rem;
}

.page-products__step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--products-gold);
  flex-shrink: 0;
}

.page-products__step-title {
  font-weight: 600;
}

.page-products__step-body {
  padding: 0 1rem 1rem 2.75rem;
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--products-silver);
}

/* 移动端说明 */
.page-products__mobile-block > p {
  color: var(--products-silver);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

/* ===== 核心数据仪表板 ===== */
.page-products__gauge-wrap {
  position: relative;
  text-align: center;
  padding: 0.5rem 0 1rem;
}

.page-products__gauge {
  width: min(260px, 80%);
  height: auto;
  margin: 0 auto;
}

.page-products__gauge-text {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}

.page-products__gauge-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.page-products__gauge-label {
  display: block;
  font-size: 0.75rem;
  color: var(--products-silver);
  margin-top: 0.35rem;
  white-space: nowrap;
}

/* 统计列表 */
.page-products__stat-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.page-products__stat-item {
  background: rgba(10, 10, 10, 0.55);
  border: 1px solid var(--products-gold-line-soft);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-products__stat-label {
  font-size: 0.8rem;
  color: var(--products-silver);
}

.page-products__stat-num {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

/* ===== 对比表 ===== */
.page-products__compare-table {
  border: 1px solid var(--products-gold-line-soft);
  margin-top: 1rem;
}

.page-products__compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--products-gold-line-soft);
}

.page-products__compare-row:last-child {
  border-bottom: 0;
}

.page-products__compare-row > span {
  padding: 0.65rem 0.5rem 0.65rem 0;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--color-white);
}

.page-products__compare-row > span:first-child {
  color: var(--products-silver);
}

.page-products__compare-row--head > span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  border-bottom: 1px solid var(--products-gold-soft);
}

.page-products__compare-row--head > span:first-child {
  padding-left: 0.25rem;
}

/* ===== 专家专栏 ===== */
.page-products__expert {
  border-top: 1px dashed var(--products-gold-soft);
}

.page-products__expert-intro {
  color: var(--products-silver);
  max-width: 72ch;
  line-height: 1.75;
  margin: 1rem 0 1.5rem;
}

.page-products__expert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products__expert-card {
  background: var(--products-dark);
  border: 1px solid var(--products-gold-line-soft);
  padding: 1.5rem;
  position: relative;
  transition: border-color 240ms cubic-bezier(0.65, 0, 0.35, 1), transform 240ms cubic-bezier(0.65, 0, 0.35, 1);
}

.page-products__expert-card:hover {
  border-color: var(--products-blue);
  transform: translateY(-2px);
}

.page-products__expert-num {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(201, 162, 39, 0.18);
  line-height: 1;
}

.page-products__expert-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--color-white);
}

.page-products__expert-card p {
  color: var(--products-silver);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
  max-width: 26ch;
}

/* 更新节奏 */
.page-products__rhythm {
  margin-top: 2rem;
  padding: 1.5rem;
  background: rgba(10, 10, 10, 0.6);
  border-left: 4px solid var(--color-gold);
}

.page-products__rhythm h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0.25rem 0 0.75rem;
  color: var(--color-white);
}

.page-products__rhythm-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.page-products__rhythm p {
  font-size: 0.875rem;
  color: var(--products-silver);
  line-height: 1.7;
  margin: 0;
}

.page-products__rhythm a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== 帮助区 ===== */
.page-products__help {
  border-top: 1px dashed var(--products-gold-soft);
}

.page-products__help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-products__help-main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0.5rem 0 0.75rem;
  color: var(--color-white);
}

.page-products__help-rule {
  display: block;
  width: 4.5rem;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin-bottom: 1.25rem;
}

.page-products__help-main > p {
  color: var(--products-silver);
  line-height: 1.75;
  max-width: 68ch;
}

.page-products__faq-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  border-top: 1px solid var(--products-gold-line-soft);
}

.page-products__faq-list li {
  border-bottom: 1px solid var(--products-gold-line-soft);
}

.page-products__faq-list a {
  display: block;
  padding: 0.85rem 0;
  color: var(--color-white);
  font-size: 0.9375rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 240ms cubic-bezier(0.65, 0, 0.35, 1), padding-left 240ms cubic-bezier(0.65, 0, 0.35, 1);
}

.page-products__faq-list a:hover {
  color: var(--color-gold);
  padding-left: 0.5rem;
}

.page-products__help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* 帮助中心悬浮示意 */
.page-products__help-aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 1.5rem;
  background: var(--products-dark);
  border: 1px solid var(--products-gold-soft);
}

.page-products__help-fab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-gold);
  color: var(--color-black);
  font-weight: 700;
  border-radius: 99px;
  box-shadow: 0 0 0 6px rgba(201, 162, 39, 0.14);
  font-size: 0.875rem;
}

.page-products__fab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-black);
  animation: page-products-pulse 2s infinite;
}

.page-products__fab-text {
  font-family: var(--font-body);
  font-weight: 700;
}

.page-products__help-note {
  font-size: 0.8125rem;
  color: var(--products-silver);
  line-height: 1.6;
  text-align: center;
  max-width: 28ch;
  margin: 0;
}

@keyframes page-products-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.45);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

/* ===== 媒体查询：平板与桌面 ===== */
@media (min-width: 768px) {
  .page-products__intro-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }

  .page-products__intro-aside {
    display: block;
  }

  .page-products__intro-index {
    margin-left: auto;
    width: 220px;
    background: var(--products-dark);
    border: 1px solid var(--products-gold-soft);
    padding: 1.5rem;
    transform: skewX(-6deg);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-products__intro-index > * {
    transform: skewX(6deg);
  }

  .page-products__intro-index-num {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-gold);
    line-height: 1;
  }

  .page-products__intro-index-line {
    display: block;
    width: 60%;
    height: 2px;
    background: var(--color-gold);
  }

  .page-products__intro-index-text {
    font-size: 0.8125rem;
    color: var(--products-silver);
    letter-spacing: 0.06em;
  }

  .page-products__desktop-block,
  .page-products__mobile-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .page-products__mobile-block {
    display: block;
  }

  .page-products__expert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__help-grid {
    grid-template-columns: 1.4fr 1fr;
  }

  .page-products__help-aside {
    min-height: 260px;
  }
}

@media (min-width: 1024px) {
  .page-products__deck-grid {
    grid-template-columns: minmax(260px, 0.9fr) minmax(340px, 1.5fr) minmax(260px, 0.9fr);
    align-items: start;
  }

  .page-products__col-login,
  .page-products__col-data,
  .page-products__col-compare {
    padding: clamp(1.5rem, 2.5vw, 2.5rem);
  }

  .page-products__expert-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }

  .page-products__rhythm {
    max-width: 760px;
  }
}

@media (min-width: 1280px) {
  .page-products__stat-list {
    grid-template-columns: repeat(4, 1fr);
  }
}