.page-products {
  --tree-glow: 0 0 36px rgba(138, 43, 226, 0.26);
  --tree-line: rgba(138, 43, 226, 0.55);
  --tree-line-accent: rgba(255, 107, 53, 0.8);
  --card-tint: rgba(18, 59, 110, 0.82);
  --step-bg: rgba(255, 107, 53, 0.16);
  background: #07122A;
  color: rgba(245, 247, 250, 0.92);
}

.page-products .breadcrumbs {
  margin-top: 24px;
  margin-bottom: 0;
}

.page-products .breadcrumbs ol {
  flex-wrap: wrap;
}

.page-products .breadcrumbs a {
  color: rgba(245, 247, 250, 0.68);
}

.page-products .breadcrumbs a:hover {
  color: #FF6B35;
}

.page-products .breadcrumbs [aria-current="page"] {
  color: #FF6B35;
}

.page-products .sol-overview .section-kicker,
.page-products .sol-section .section-kicker,
.page-products .sol-support .section-kicker {
  color: #FF6B35;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.page-products .section-desc {
  color: rgba(245, 247, 250, 0.64);
}

/* ========== 01 方案总览 ========== */

.sol-overview {
  position: relative;
  background: linear-gradient(165deg, #07122A 0%, #0A1A3F 52%, #14224F 100%);
  overflow: hidden;
  padding-bottom: 72px;
}

.sol-overview__head {
  padding: 64px 0 28px;
  max-width: 980px;
}

.sol-overview__head h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 6vw, 54px);
  line-height: 1.08;
  font-weight: 900;
  transform: skewX(-4deg);
  color: #FFFFFF;
  text-shadow: 3px 3px 0 rgba(255, 107, 53, 0.72);
  margin: 12px 0 20px;
}

.sol-overview__intro {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.82);
  max-width: 820px;
}

.sol-overview__intro strong {
  color: #FFB800;
}

/* 技能树容器 */

.skill-tree {
  position: relative;
  margin: 20px auto 0;
  max-width: 1200px;
}

.skill-tree__bgimg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  opacity: 0.28;
}

.skill-tree__lines {
  display: block;
  width: 100%;
  height: 240px;
  position: relative;
  filter: drop-shadow(0 0 16px rgba(138, 43, 226, 0.34));
}

.st-line {
  fill: none;
  stroke: url(#solutionsTreeGrad);
  stroke-width: 3;
  stroke-linecap: round;
}

.st-trunk {
  stroke-width: 4;
}

.st-root-halo {
  fill: rgba(138, 43, 226, 0.2);
}

.st-root-core {
  fill: #FF6B35;
}

.st-endpoint {
  fill: #8A2BE2;
  stroke: rgba(255, 255, 255, 0.58);
  stroke-width: 2;
}

.st-root-label {
  display: none;
}

/* 技能树节点（移动端默认纵向排列） */

.skill-tree__nodes {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: -36px;
  padding: 0 8px 16px;
}

.skill-node {
  background: var(--card-tint);
  backdrop-filter: blur(9px);
  border: 1px solid rgba(138, 43, 226, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--tree-glow);
  transition: transform var(--transition), box-shadow var(--transition);
  max-width: 100%;
}

.skill-node:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 44px rgba(138, 43, 226, 0.44);
}

.skill-node summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  position: relative;
}

.skill-node summary::-webkit-details-marker {
  display: none;
}

.skill-node summary::after {
  content: "+";
  margin-left: auto;
  font-size: 24px;
  line-height: 1;
  color: #FF6B35;
  font-weight: 700;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.skill-node details[open] summary::after {
  transform: rotate(45deg);
}

.skill-node__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(138, 43, 226, 0.24);
  color: #FFFFFF;
  flex-shrink: 0;
}

.skill-node__icon svg {
  width: 26px;
  height: 26px;
}

.skill-node__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.skill-node__title {
  font-weight: 800;
  font-size: 18px;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}

.skill-node__meta {
  font-size: 13px;
  color: rgba(245, 247, 250, 0.62);
  margin-top: 2px;
}

.skill-node__detail {
  padding: 0 20px 22px 82px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.82);
}

.skill-node__detail .btn {
  margin-top: 10px;
}

/* ========== 章节公共样式 ========== */

.sol-section {
  padding: 72px 0 88px;
}

.sol-section__head {
  max-width: 860px;
  margin-bottom: 44px;
}

.sol-section__head h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.12;
  font-weight: 900;
  transform: skewX(-4deg);
  color: #FFFFFF;
  text-shadow: 2px 2px 0 rgba(255, 107, 53, 0.6);
  margin: 10px 0 12px;
}

.sol-data {
  background: #0A1A3F;
  position: relative;
}

.sol-data::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.2), transparent 70%);
  pointer-events: none;
}

.sol-video {
  background: #123B6E;
  position: relative;
}

.sol-video::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.6), transparent);
}

.sol-mobile {
  background: #07122A;
}

.sol-api {
  background: linear-gradient(170deg, #0A1A3F, #10254F);
}

.sol-support {
  padding: 72px 0 88px;
  background: linear-gradient(135deg, #0A1A3F, #8A2BE2);
}

/* ========== 02 赛事数据面板 ========== */

.sol-data__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 36px;
}

.sol-data__main p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.82);
  margin-bottom: 22px;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  gap: 14px;
}

.feature-list li {
  position: relative;
  padding: 16px 18px 16px 52px;
  background: rgba(18, 59, 110, 0.56);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.9);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 12px;
  height: 12px;
  background: #FF6B35;
  transform: rotate(45deg);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.5);
}

.feature-list strong {
  color: #FFFFFF;
}

.filter-demo {
  background: rgba(7, 18, 42, 0.5);
  border: 1px solid rgba(255, 107, 53, 0.28);
  border-radius: var(--radius-md);
  margin-bottom: 4px;
}

.filter-demo summary {
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 700;
  color: #FFB800;
  list-style: none;
}

.filter-demo summary::-webkit-details-marker {
  display: none;
}

.filter-demo summary::after {
  content: "▾";
  float: right;
  color: #FF6B35;
  transition: transform var(--transition);
}

.filter-demo[open] summary::after {
  transform: rotate(180deg);
}

.filter-demo__panel {
  padding: 0 18px 20px;
}

.filter-demo__hint {
  font-size: 13px;
  color: rgba(245, 247, 250, 0.56);
  margin-bottom: 12px;
}

.filter-demo__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-demo__list li {
  background: rgba(18, 59, 110, 0.7);
  border: 1px solid rgba(138, 43, 226, 0.3);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  color: rgba(245, 247, 250, 0.86);
}

.sol-data__figure,
.sol-video__media,
.sol-mobile__figure,
.sol-api__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--tree-glow);
  display: flex;
}

.sol-data__figure img,
.sol-video__media img,
.sol-mobile__figure img,
.sol-api__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.sol-video__media img {
  aspect-ratio: 16 / 9;
}

.sol-mobile__figure img {
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.sol-api__figure img {
  aspect-ratio: 16 / 10;
}

/* ========== 视频集锦 ========== */

.sol-video__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.sol-video__content p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.82);
  margin-bottom: 18px;
}

.update-strip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(7, 18, 42, 0.46);
  border: 1px solid rgba(255, 184, 0, 0.32);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font-size: 14px;
  color: rgba(245, 247, 250, 0.82);
  margin-bottom: 24px;
}

.update-strip__badge {
  background: #FF6B35;
  color: #FFFFFF;
  font-weight: 800;
  font-size: 13px;
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  white-space: nowrap;
}

.league-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 28px;
}

.league-tab {
  background: rgba(18, 59, 110, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.league-tab summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: #FFFFFF;
  font-size: 15px;
}

.league-tab summary::-webkit-details-marker {
  display: none;
}

.league-tab summary::after {
  content: "▾";
  color: #8A2BE2;
  transition: transform var(--transition);
}

.league-tab[open] summary::after {
  transform: rotate(180deg);
}

.league-tab__badge {
  font-size: 12px;
  font-weight: 700;
  color: #00C48C;
  background: rgba(0, 196, 140, 0.14);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  white-space: nowrap;
}

.league-tab__body {
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.74);
}

/* ========== 排查框与步骤列表 ========== */

.trouble-box {
  background: rgba(7, 18, 42, 0.6);
  border: 1px solid rgba(255, 107, 53, 0.35);
  border-left: 4px solid #FF6B35;
  border-radius: var(--radius-lg);
  padding: 24px 24px 20px;
  margin-top: 28px;
  box-shadow: var(--shadow-sm);
}

.trouble-box--compact {
  padding: 20px 22px 16px;
}

.trouble-box--accent {
  border-left-color: #8A2BE2;
  border-color: rgba(138, 43, 226, 0.4);
}

.trouble-box h3 {
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 10px;
  line-height: 1.4;
}

.trouble-box p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.72);
  margin-bottom: 10px;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}

.step-list li {
  position: relative;
  padding: 8px 0 8px 44px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.82);
  counter-increment: step;
}

.step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 8px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--step-bg);
  border: 1px solid rgba(255, 107, 53, 0.4);
  color: #FFB800;
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
}

.step-list a,
.sol-panel a,
.sol-video a,
.sol-mobile a,
.sol-api a,
.sol-support a,
.sol-inline-link a {
  color: #FF6B35;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 107, 53, 0.4);
}

.step-list a:hover,
.sol-inline-link a:hover {
  color: #FFB800;
  text-decoration-color: #FFB800;
}

.sol-inline-link {
  margin-top: 28px;
  font-size: 14px;
  color: rgba(245, 247, 250, 0.62);
}

/* ========== 03 移动端 ========== */

.sol-mobile__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.sol-mobile__content p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.82);
  margin-bottom: 20px;
}

/* ========== 04 API ========== */

.sol-api__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.sol-api__content p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.82);
  margin-bottom: 20px;
}

.api-models {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 20px 0 24px;
}

.api-model {
  background: rgba(18, 59, 110, 0.62);
  border: 1px solid rgba(138, 43, 226, 0.3);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.api-model:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 28px rgba(138, 43, 226, 0.3);
}

.api-model h3 {
  font-size: 17px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 8px;
}

.api-model p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.74);
}

.sol-api__note {
  font-size: 14px;
  color: rgba(245, 247, 250, 0.64);
}

/* ========== 05 辅助通道 ========== */

.sol-support__inner {
  text-align: center;
  max-width: 780px;
}

.sol-support h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.12;
  font-weight: 900;
  transform: skewX(-4deg);
  color: #FFFFFF;
  text-shadow: 2px 2px 0 rgba(255, 107, 53, 0.6);
  margin: 10px 0 14px;
}

.sol-support p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.88);
  margin-bottom: 28px;
}

.sol-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.page-products .btn-accent {
  background: #FF6B35;
  border-color: #FF6B35;
  color: #FFFFFF;
}

.page-products .btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #FFFFFF;
}

.page-products .btn-ghost:hover {
  border-color: #FF6B35;
  color: #FF6B35;
}

/* ========== 桌面端：≥ 768px ========== */

@media (min-width: 768px) {

  .sol-overview__head {
    padding: 88px 0 40px;
  }

  .skill-tree {
    max-width: 1200px;
    aspect-ratio: 3 / 2;
  }

  .skill-tree__lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  .st-root-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    left: 50%;
    top: 46%;
    transform: translate(-50%, -50%);
    z-index: 4;
    background: rgba(10, 26, 63, 0.82);
    border: 1px solid rgba(255, 107, 53, 0.5);
    border-radius: var(--radius-pill);
    padding: 10px 22px;
    color: #FFFFFF;
    font-weight: 800;
    font-size: 14px;
    box-shadow: 0 0 28px rgba(255, 107, 53, 0.22);
    white-space: nowrap;
  }

  .st-root-label__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #FF6B35;
    box-shadow: 0 0 14px rgba(255, 107, 53, 0.8);
  }

  .skill-tree__nodes {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0;
    margin-top: 0;
    padding: 0;
    pointer-events: none;
  }

  .skill-node {
    pointer-events: auto;
    max-width: 300px;
    width: max-content;
    min-width: 250px;
  }

  .skill-node--data {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    align-self: start;
    margin: 7% 0 0 6%;
  }

  .skill-node--video {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    align-self: start;
    margin: 7% 6% 0 0;
  }

  .skill-node--mobile {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    align-self: end;
    margin: 0 0 7% 6%;
  }

  .skill-node--api {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    align-self: end;
    margin: 0 6% 7% 0;
  }

  .skill-node__detail {
    padding-left: 20px;
  }

  /* 数据面板网格 */

  .sol-data__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: center;
  }

  .sol-video__layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 44px;
    align-items: start;
  }

  .sol-video__media {
    position: sticky;
    top: 120px;
  }

  .league-tabs {
    grid-template-columns: repeat(5, 1fr);
  }

  .league-tab summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 16px;
  }

  .league-tab summary::after {
    display: none;
  }

  .league-tab__body {
    padding: 0 16px 16px;
  }

  .api-models {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .sol-api__layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 44px;
    align-items: center;
  }

  .sol-support__actions .btn {
    min-width: 180px;
  }
}

/* ========== 桌面端：≥ 1100px 进一步收紧 ========== */

@media (min-width: 1100px) {

  .sol-mobile__layout {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 48px;
    align-items: center;
  }

  .sol-mobile__figure img {
    max-width: 360px;
  }

  .skill-node {
    min-width: 280px;
  }

  .skill-node__summary {
    padding: 20px 22px;
  }

  .sol-section {
    padding: 96px 0 112px;
  }

  .sol-overview__head {
    padding-top: 104px;
  }

  .sol-overview__intro {
    font-size: 17px;
  }
}