/* pages.css — 首页与各页面级区块
   字号统一取 base.css 令牌；悬停位移类动效放 motion.css（仅指针设备）。 */

/* ============ 首页 Hero ============ */
/* ★ 图文融合版：整张插画铺满首屏作为背景，左侧叠一层浅色渐隐保证文字可读；
   背景图按高度缩放、右下锚定，任何分辨率下插画主体都完整不裁切 */
.hero {
  position: relative;
  display: flex;
  align-items: flex-start;
  min-height: clamp(430px, 35vw, 520px);
  padding: 44px 0 56px;
  background-color: #eef5fd;
  background-image: url("../img/hero-bg.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero > .container {
  position: relative;
  z-index: 1;
  width: 100%;
}

@media (min-width: 1200px) {
  .hero {
    min-height: clamp(480px, 35vw, 520px);
    padding: 52px 0 60px;
  }
}

/* 文字压在左侧留白，宽度收窄避免压到右侧插画 */
.hero__inner {
  max-width: 760px;
}

/* 内容较长的首屏（如 P-B 视觉概念型）放宽行宽 */
.hero__inner--wide {
  max-width: 820px;
}

.hero .hero__inner {
  max-width: 620px;
}

/* 主标题保持在两行内，同时比原版更有首屏气势 */
.hero h1 {
  margin-bottom: 18px;
  color: var(--brand-900);
  font-size: clamp(26px, 2.4vw, 36px);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.hero__sub {
  font-size: var(--fs-lg);
  color: var(--text-2);
  margin-bottom: 10px;
  max-width: 62ch;
  line-height: var(--lh-loose);
}

@media (min-width: 768px) {
  .hero__sub {
    font-size: var(--fs-xl);
  }
}

.hero__brand {
  font-size: var(--fs-sm);
  color: var(--text-3);
  margin-bottom: 28px;
}

.hero__actions {
  margin-bottom: 14px;
}

.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
  font-size: var(--fs-base);
  color: var(--text-2);
}

.hero__points li {
  position: relative;
  padding-left: 20px;
}

.hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--brand-300);
}

/* 首页信任条 */
.trust {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  background: #fff;
}

.trust .stat-row {
  gap: 16px;
}

/* ============ 产品线卡片 ============ */
.product-line {
  height: 100%;
}

.product-line .card__badge {
  font-size: var(--fs-2xs);
  color: var(--brand-600);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 500;
}

/* ============ 为什么选择我们 ============ */
.why-block {
  display: flex;
  gap: 16px;
}

.why-block__icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(143, 178, 230, 0.16);
  color: var(--brand-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-md);
  font-weight: 500;
}

.why-block h3 {
  font-size: var(--fs-xl);
  margin-bottom: 8px;
}

.why-block p {
  font-size: var(--fs-base);
  color: var(--on-dark-3);
  line-height: 1.65;
}

/* ============ 案例卡 ============ */
.case-card {
  height: 100%;
  padding: 0;
  overflow: hidden;
}

/* ★ 三张封面由「同一蓝系」拉开明度层次 + 光晕位置差异，
   三张卡并排时辨识度明显提升 */
.case-card__thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  color: #fff;
  background:
    radial-gradient(92% 120% at 88% 6%, rgba(91, 139, 218, 0.52) 0%, rgba(91, 139, 218, 0) 60%),
    linear-gradient(140deg, #123263 0%, #1a4fa0 58%, #2c6bc9 100%);
  border-bottom: 1px solid var(--line);
}

.case-card__thumb--b {
  background:
    radial-gradient(92% 122% at 94% 92%, rgba(58, 108, 196, 0.44) 0%, rgba(58, 108, 196, 0) 62%),
    linear-gradient(140deg, #05182f 0%, #0b2545 55%, #143f78 100%);
}

.case-card__thumb--c {
  background:
    radial-gradient(104% 132% at 50% 0%, rgba(143, 178, 230, 0.5) 0%, rgba(143, 178, 230, 0) 62%),
    linear-gradient(140deg, #17417f 0%, #2c6bc9 52%, #5b8bda 100%);
}

.case-card__thumb .thumb-kicker {
  font-size: var(--fs-2xs);
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.76);
}

.case-card__thumb .thumb-title {
  font-size: var(--fs-2xl);
  font-weight: 500;
  line-height: 1.45;
  color: #fff;
}

.case-card__body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* 案例描述不加粗 */
.case-card__body .post-item__title {
  font-weight: 400;
}

.case-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.case-card__metric {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-base);
  color: var(--brand-700);
  font-weight: 500;
}

/* ============ 资质 / 背书条 ============ */
.honor-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (min-width: 768px) {
  .honor-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.honor-item {
  padding: 20px 16px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: var(--fs-base);
  color: var(--text-2);
}

/* ============ 内页首屏 ============ */
.page-hero {
  position: relative;
  padding: 46px 0 42px;
  background-color: var(--bg);
  background-image:
    radial-gradient(70% 74% at 4% 0%, rgba(26, 79, 160, 0.09) 0%, rgba(26, 79, 160, 0) 64%),
    linear-gradient(180deg, var(--brand-50) 0%, #fff 70%, #fff 100%);
}

@media (min-width: 1200px) {
  .page-hero {
    padding: 66px 0 58px;
  }
}

.page-hero__inner {
  max-width: 800px;
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero__lead {
  font-size: var(--fs-xl);
  color: var(--text-2);
  max-width: 62ch;
  line-height: var(--lh-loose);
}

.page-hero__actions {
  margin-top: 26px;
}

/* ============ 联系我们 ============ */
.contact-grid {
  display: grid;
  gap: 28px;
}

@media (min-width: 1200px) {
  .contact-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
  }
}

.contact-list {
  display: grid;
  gap: 18px;
}

.contact-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.contact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-list .k {
  flex: 0 0 76px;
  font-size: var(--fs-base);
  color: var(--text-3);
}

.contact-list .v {
  font-size: var(--fs-lg);
  color: var(--text-1);
  font-weight: 500;
  word-break: break-all;
}

.contact-list .v small {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-3);
  margin-top: 4px;
}

/* ============ 关于我们 ============ */
.about-lead {
  font-size: var(--fs-xl);
  color: var(--text-2);
  max-width: 76ch;
  line-height: var(--lh-loose);
}

.timeline {
  border-left: 2px solid var(--line);
  padding-left: 24px;
  display: grid;
  gap: 26px;
}

.timeline__item {
  position: relative;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--brand-300);
}

.timeline__year {
  font-size: var(--fs-base);
  color: var(--brand-600);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.timeline__item h3 {
  font-size: var(--fs-xl);
  margin: 4px 0 6px;
}

.timeline__item p {
  font-size: var(--fs-base);
  color: var(--text-2);
}

/* ============ 首页 Hero 响应式（图文融合背景） ============ */
/* 中屏：文字区收窄，插画重心右移 */
@media (max-width: 1023px) {
  .hero {
    min-height: clamp(400px, 46vw, 470px);
    background-position: 62% center;
  }

  .hero .hero__inner {
    max-width: 560px;
  }
}

/* 小屏：插画退到下方、整体淡化，避免文字压在图标上 */
@media (max-width: 767px) {
  .hero {
    min-height: 0;
    padding: 36px 0 200px;
    display: block;
    background-image: url("../img/hero-bg.webp");
    background-size: cover;
    background-position: 68% bottom;
  }

  .hero .hero__inner {
    max-width: none;
  }
}

/* ============ 列表页 ============ */
.list-hero {
  padding: 42px 0 34px;
  background-color: var(--bg);
  background-image:
    radial-gradient(70% 76% at 4% 0%, rgba(26, 79, 160, 0.09) 0%, rgba(26, 79, 160, 0) 64%),
    linear-gradient(180deg, var(--brand-50) 0%, #fff 70%, #fff 100%);
}

@media (min-width: 1200px) {
  .list-hero {
    padding: 60px 0 48px;
  }
}

.list-hero__inner {
  max-width: 780px;
}

.list-hero h1 {
  margin-bottom: 14px;
}

.list-hero__lead {
  font-size: var(--fs-xl);
  color: var(--text-2);
  line-height: var(--lh-loose);
}

/* 快捷锚点条 */
.quick-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.quick-bar a {
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: #fff;
  font-size: var(--fs-base);
  color: var(--text-2);
  transition:
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease-out);
}

.quick-bar a:hover {
  border-color: var(--brand-500);
  color: var(--brand-700);
  background: var(--brand-50);
}

/* ============ 大条目（产品 / 方案列表项） ============ */
.entry {
  display: grid;
  gap: 24px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  transition:
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease-out);
}

.entry + .entry {
  margin-top: 26px;
}

@media (min-width: 900px) {
  .entry {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: center;
    padding: 32px;
  }

  .entry--flip .entry__media {
    order: -1;
  }
}

.entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.entry__no {
  font-size: var(--fs-2xs);
  letter-spacing: 0.12em;
  color: var(--brand-600);
  font-weight: 500;
}

.entry__title {
  font-size: clamp(20px, 2.4vw, 26px);
  margin-bottom: 6px;
}

.entry__title a {
  color: inherit;
}

.entry__title a:hover {
  color: var(--brand-600);
}

.entry__sub {
  font-size: var(--fs-md);
  color: var(--text-3);
  margin-bottom: 14px;
}

.entry__desc {
  font-size: var(--fs-md);
  color: var(--text-2);
  margin-bottom: 18px;
}

.entry__list {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.entry__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-base);
  color: var(--text-2);
  line-height: 1.65;
}

.entry__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-size: var(--fs-2xs);
  color: var(--brand-600);
}

.entry__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.entry__media {
  aspect-ratio: 16 / 11;
  min-height: 220px;
}

.entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

/* ============ 通用媒体框（界面图容器） ============ */
.media-box {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  overflow: hidden;
  display: flex;
}

/* 带媒体框的卡片 */
.card--media {
  padding: 0;
  overflow: hidden;
}

.card--media .media-box {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  flex: 0 0 auto;
}

.card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 22px 22px;
}

/* ============ 选型表（问题 → 建议产品） ============ */
.picker {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 768px) {
  .picker {
    grid-template-columns: 1fr 1fr;
  }
}

.picker__row {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: #fff;
}

.picker__q {
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--text-1);
}

.picker__a {
  font-size: var(--fs-base);
  color: var(--text-2);
}

.picker__a a {
  font-weight: 500;
}

/* ============ 组合卡 ============ */
.combo {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.combo__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}

.combo__flow > span {
  padding: 5px 11px;
  border-radius: var(--radius-xs);
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: var(--fs-xs);
}

.combo__flow > em {
  font-style: normal;
  color: var(--line-strong);
  font-size: var(--fs-2xs);
}

/* ============ 场景媒体（P-C） ============ */
.scene__media {
  aspect-ratio: 16 / 9;
  margin-top: 18px;
}

/* 竖向（移动端界面） */
.scene__media--narrow {
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
  aspect-ratio: 3 / 4;
}

/* ============ 对比（上线前 / 上线后） ============ */
.vs {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 768px) {
  .vs {
    grid-template-columns: 1fr 1fr;
  }
}

.vs > div {
  background: #fff;
  padding: 20px 22px;
}

.vs h3 {
  font-size: var(--fs-md);
  margin-bottom: 12px;
  color: var(--text-1);
}

.vs--before h3 {
  color: var(--text-2);
}

.vs--after h3 {
  color: var(--brand-600);
}

.vs li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-base);
  color: var(--text-2);
  margin-bottom: 8px;
  line-height: 1.65;
}

.vs li:last-child {
  margin-bottom: 0;
}

.vs--before li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-3);
}

.vs--after li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--brand-600);
}

/* ============ 区块标题 + 右侧链接 ============ */
.section-head--split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  max-width: none;
  margin-bottom: 34px;
}

/* ============ 404 ============ */
.error-page {
  padding: 80px 0 96px;
  text-align: center;
}

.error-page__code {
  font-size: clamp(64px, 14vw, 110px);
  font-weight: 500;
  line-height: 1;
  color: var(--brand-100);
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}

.error-page__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  margin-top: 26px;
  font-size: var(--fs-md);
}

/* ═══════════════════════════════════════════
   产品中心首屏：核心优势关键词卡带
   （多年沉淀 / 市场验证 / 开箱即用 / 随需而变）
   ─────────────────────────────────────────── */
.list-hero--products .list-hero__inner {
  max-width: 860px;
}

.trait-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.trait {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 15px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(11, 37, 69, 0.05);
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease);
}

@media (hover: hover) {
  .trait:hover {
    transform: translateY(-3px);
    border-color: var(--brand-300);
    box-shadow: 0 14px 30px rgba(11, 37, 69, 0.1);
  }
}

.trait__icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.trait__text strong {
  display: block;
  font-size: var(--fs-lg);
  color: var(--text-1);
  margin-bottom: 3px;
}

.trait__text span {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.55;
}

/* 四种色相，让卡带更有节奏 */
.trait--1 .trait__icon { background: #e8f0fc; color: #1a4fa0; }
.trait--2 .trait__icon { background: #e6f6f0; color: #157a58; }
.trait--3 .trait__icon { background: #fdf2e0; color: #b05e00; }
.trait--4 .trait__icon { background: #f1ecfb; color: #6d47c9; }

@media (max-width: 1099px) {
  .trait-band {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 559px) {
  .trait-band {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════
   解决方案列表页：深蓝横幅首屏 + 方案档案卡
   （与产品中心的浅色首屏、左右交替条目区分）
   ─────────────────────────────────────────── */

/* ---- 首屏横幅 ---- */
.sol-hero {
  background:
    radial-gradient(680px 300px at 78% -10%, rgba(91, 139, 218, 0.32), transparent 70%),
    radial-gradient(520px 260px at 12% 110%, rgba(44, 107, 201, 0.25), transparent 70%),
    linear-gradient(135deg, var(--brand-800), var(--brand-900));
  color: var(--on-dark-1);
  padding: 72px 0;
  text-align: center;
}

.sol-hero__inner {
  max-width: 760px;
  margin: 0 auto;
}

.sol-hero h1 {
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 18px;
  color: #fff;
}

.sol-hero__dot {
  color: var(--brand-300);
  margin: 0 0.08em;
}

.sol-hero__sub {
  font-size: var(--fs-xl);
  line-height: 1.7;
  color: var(--on-dark-2);
  margin: 0;
}

/* ---- 方案档案卡 ---- */
.sol-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 30px;
  background: #fff;
  border-radius: var(--radius-lg, 14px);
  border-left: 5px solid var(--brand-600);
  box-shadow: 0 8px 26px rgba(11, 37, 69, 0.07);
  padding: 30px 34px;
  margin-bottom: 26px;
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}

@media (hover: hover) {
  .sol-panel:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 38px rgba(11, 37, 69, 0.12);
  }
}

/* 三种书脊色相，区分三条方案 */
.sol-panel--1 { border-left-color: var(--brand-600); }
.sol-panel--2 { border-left-color: #157a58; }
.sol-panel--3 { border-left-color: #b05e00; }

/* 大号幽灵编号 */
.sol-panel__no {
  display: block;
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--brand-100);
  font-variant-numeric: tabular-nums;
}

.sol-panel--2 .sol-panel__no { color: #d9ede5; }
.sol-panel--3 .sol-panel__no { color: #f3e3cd; }

.sol-panel__meta {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.sol-panel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.sol-panel__title {
  font-size: var(--fs-2xl);
  margin: 0 0 6px;
}

.sol-panel__title a {
  color: var(--text-1);
}

.sol-panel__sub {
  font-size: var(--fs-lg);
  color: var(--brand-700);
  margin: 0;
}

.sol-panel--2 .sol-panel__sub { color: #157a58; }
.sol-panel--3 .sol-panel__sub { color: #b05e00; }

.sol-panel__desc {
  font-size: var(--fs-base);
  color: var(--text-2);
  line-height: 1.75;
  margin: 0 0 16px;
}

/* ---- 痛点 / 解决方案 / 方案优势 分块（标签列 + 内容列，压缩高度） ---- */
.sol-block {
  margin: 0 0 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.sol-block:last-of-type {
  margin-bottom: 16px;
}

.sol-block__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.7;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: #fff;
  white-space: nowrap;
}

.sol-block__label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.sol-block p {
  margin: 0;
  font-size: var(--fs-base);
  color: var(--text-2);
  line-height: 1.7;
}

.sol-block--pain { background: var(--error-soft); }
.sol-block--pain .sol-block__label { color: var(--error); }

.sol-block--solution { background: var(--brand-50); }
.sol-block--solution .sol-block__label { color: var(--brand-600); }

.sol-block--advantage { background: var(--ok-soft); }
.sol-block--advantage .sol-block__label { color: var(--ok); }

.sol-block .sol-panel__list {
  margin: 0;
}

/* 要点两列排布（产品中心为单列，形成差异） */
.sol-panel__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.sol-panel__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: 1.65;
}

.sol-panel__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--brand-600);
}

.sol-panel--2 .sol-panel__list li::before { color: #157a58; }
.sol-panel--3 .sol-panel__list li::before { color: #b05e00; }

.sol-panel__foot {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.sol-panel__media {
  align-self: center;
}

/* ---- 响应式 ---- */
@media (max-width: 1023px) {
  .sol-panel {
    grid-template-columns: 1fr;
    padding: 24px 22px;
  }

  .sol-panel__media {
    order: -1;
  }

  .sol-hero {
    padding: 56px 0;
  }
}

@media (max-width: 559px) {
  .sol-block {
    grid-template-columns: 1fr;
    gap: 4px;
    align-items: start;
  }

  .sol-panel__list {
    grid-template-columns: 1fr;
  }

  .sol-panel__meta {
    gap: 12px;
  }

  .sol-panel__no {
    font-size: 34px;
  }
}

/* ═══════════════════════════════════════════
   解决方案筛选标签
   （禁用 JS 时按钮无动作，方案卡全部可见）
   ─────────────────────────────────────────── */
.sol-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sol-filter__btn {
  padding: 9px 20px;
  font-size: var(--fs-md);
  font-family: inherit;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition:
    color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}

.sol-filter__btn:hover {
  border-color: var(--brand-300);
  color: var(--brand-700);
}

.sol-filter__btn.is-active {
  color: #fff;
  background: var(--brand-600);
  border-color: var(--brand-600);
  box-shadow: 0 4px 12px rgba(26, 79, 160, 0.25);
}

.sol-filter__btn:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

/* 被隐藏方案卡不占位（hidden 属性兜底） */
.sol-panel[hidden] {
  display: none;
}

/* 筛选条：与上方深蓝横幅拉开间距，同时贴近下方方案列表 */
.sol-filter-bar {
  padding: 56px 0 0;
}

@media (max-width: 767px) {
  .sol-filter-bar {
    padding: 40px 0 0;
  }

  .sol-filter {
    gap: 9px;
  }

  .sol-filter__btn {
    padding: 10px 18px;
    font-size: var(--fs-base);
  }
}


/* ═══════════════════════════════════════════
   产品中心 · 业务域产品家族卡
   （顶部色条 + 正文/配图两栏，与解决方案的
     左侧书脊档案卡形成明显区分）
   ─────────────────────────────────────────── */
.pfamily {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 26px;
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}

@media (hover: hover) {
  .pfamily:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
  }
}

.pfamily::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
}

.pfamily--1::before { background: linear-gradient(90deg, var(--brand-600), #4a86d8); }
.pfamily--2::before { background: linear-gradient(90deg, #157a58, #35ab84); }
.pfamily--3::before { background: linear-gradient(90deg, #b05e00, #e0973a); }

/* ---- 卡头 ---- */
.pfamily__head {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 30px 34px 22px;
  border-bottom: 1px solid var(--line);
}

.pfamily__no {
  flex: 0 0 auto;
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--brand-100);
  font-variant-numeric: tabular-nums;
}

.pfamily--2 .pfamily__no { color: #d9ede5; }
.pfamily--3 .pfamily__no { color: #f3e3cd; }

.pfamily__field {
  display: block;
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  color: var(--brand-600);
  margin-bottom: 6px;
}

.pfamily--2 .pfamily__field { color: #157a58; }
.pfamily--3 .pfamily__field { color: #b05e00; }

.pfamily__name {
  font-size: var(--fs-2xl);
  margin: 0 0 6px;
}

.pfamily__name a { color: var(--text-1); }

.pfamily__sub {
  margin: 0;
  font-size: var(--fs-lg);
  color: var(--text-3);
}

/* ---- 卡身 ---- */
.pfamily__body {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 36px;
  padding: 26px 34px 30px;
}

.pfamily__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.04em;
  margin: 0 0 12px;
}

.pfamily__desc {
  font-size: var(--fs-base);
  color: var(--text-2);
  line-height: var(--lh-body);
  margin: 0 0 20px;
}

.pfamily__mods {
  margin-bottom: 22px;
}

.pfamily__mods .tag {
  background: var(--bg-soft);
  color: var(--text-2);
  border: 1px solid var(--line);
}

.pfamily--1 .pfamily__mods .tag { background: var(--brand-50); color: var(--brand-700); border-color: var(--brand-100); }
.pfamily--2 .pfamily__mods .tag { background: var(--ok-soft); color: var(--ok); border-color: #cdeade; }
.pfamily--3 .pfamily__mods .tag { background: var(--warn-soft); color: var(--warn); border-color: #f2ddc0; }

/* 关键指标条 */
.pfamily__foot {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* 右栏：截图 + 覆盖模块 */
.pfamily__aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pfamily__aside .pfamily__mods {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 15px;
  margin-bottom: 0;
}

.pfamily__aside .pfamily__label {
  display: inline-block;
  padding: 1px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
}

/* 左栏：服务模式 / 业务场景 */
.pfamily__modes {
  padding: 16px 20px 17px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand-500);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(15, 40, 80, 0.05);
  margin: 0 0 24px;
}

.pfamily--2 .pfamily__modes { border-left-color: #2f9e74; }
.pfamily--3 .pfamily__modes { border-left-color: #d29537; }
.pfamily--4 .pfamily__modes { border-left-color: #6a48d7; }

.pfamily__modes h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-base);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  color: var(--text-1);
}

.pfamily__modes ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pfamily__modes li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: 1.7;
}

.pfamily__modes li + li {
  margin-top: 9px;
}

.pfamily__modes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-300);
}

.pfamily--2 .pfamily__modes li::before { background: #7fc9ae; }
.pfamily--3 .pfamily__modes li::before { background: #e6b473; }
.pfamily--4 .pfamily__modes li::before { background: #a88ae8; }

@media (max-width: 1023px) {
  .pfamily__head { padding: 24px 22px 18px; gap: 14px; }
  .pfamily__no { font-size: 34px; }
  .pfamily__body {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 22px 22px 26px;
  }
  .pfamily__aside { order: -1; }
}

/* ═══════════════════════════════════════════
   产品中心 · 更多应用清单
   ─────────────────────────────────────────── */
.applist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 26px 34px;
}

.applist__group h3 {
  font-size: var(--fs-lg);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--brand-100);
  color: var(--text-1);
}

.applist__group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.applist__group li {
  position: relative;
  padding: 8px 0 8px 18px;
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.65;
  border-bottom: 1px dashed var(--line);
}

.applist__group li:last-child { border-bottom: 0; }

.applist__group li strong {
  display: block;
  font-weight: 500;
  color: var(--text-1);
  font-size: var(--fs-base);
}

.applist__group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--brand-300);
}

.applist__tip {
  margin: 28px 0 0;
  padding: 18px 22px;
  font-size: var(--fs-base);
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 10px 20px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   产品中心 · 技术底座支撑区
   ─────────────────────────────────────────── */
.engine-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.engine {
  padding: 22px 24px;
  background: #fff;
}

.engine h3 {
  font-size: var(--fs-lg);
  margin: 0 0 8px;
  color: var(--text-1);
}

.engine h3 em {
  font-style: normal;
  font-size: var(--fs-2xs);
  color: var(--brand-600);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 4px;
}

.engine p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.7;
}

.advlist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 30px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.advlist li {
  position: relative;
  padding-left: 24px;
  font-size: var(--fs-md);
  color: var(--text-2);
  line-height: 1.7;
}

.advlist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--brand-600);
}

.advlist li strong {
  color: var(--text-1);
  font-weight: 500;
}

/* 技术底座首屏右侧的深色导流卡（原底部横幅上移收窄） */
.section-head--platform {
  align-items: stretch;
}

.section-head--platform .section-head__main {
  flex: 1 1 460px;
  max-width: 720px;
}

.pband-card {
  flex: 0 1 320px;
  align-self: flex-end;
  padding: 22px 24px 24px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(420px 180px at 90% -30%, rgba(91, 139, 218, 0.28), transparent 70%),
    linear-gradient(135deg, var(--brand-800), var(--brand-900));
  color: var(--on-dark-1);
}

.pband-card h3 {
  margin: 0 0 8px;
  font-size: var(--fs-xl);
  color: #fff;
}

.pband-card p {
  margin: 0 0 16px;
  font-size: var(--fs-base);
  color: var(--on-dark-2);
  line-height: 1.7;
}

@media (max-width: 899px) {
  .engine-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .advlist { grid-template-columns: 1fr; }
  .pband-card { flex: 1 1 100%; align-self: auto; padding: 24px 22px; }
}

@media (max-width: 559px) {
  .engine-grid { grid-template-columns: 1fr; }
}


/* ═══════════════════════════════════════════
   客户案例（/cases/）
   —— 与解决方案页区分：浅色首屏 + 成效数字条 + 行业筛选 + 长文案例条目
   ═══════════════════════════════════════════ */

.case-hero {
  position: relative;
  padding: 60px 0 44px;
  background-color: var(--bg);
  background-image:
    radial-gradient(66% 80% at 92% 0%, rgba(26, 79, 160, 0.11) 0%, rgba(26, 79, 160, 0) 62%),
    linear-gradient(180deg, var(--brand-50) 0%, #fff 78%);
}

@media (min-width: 1200px) {
  .case-hero {
    padding: 76px 0 54px;
  }
}

.case-hero__inner {
  max-width: 840px;
  margin-inline: auto;
  text-align: center;
}

.case-hero h1 {
  margin-bottom: 16px;
}

.case-hero__lead {
  font-size: var(--fs-xl);
  color: var(--text-2);
  line-height: var(--lh-loose);
  max-width: 62ch;
}

/* 案例页首屏副标题：桌面端不换行，小屏恢复换行 */
.case-hero .case-hero__lead {
  max-width: none;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .case-hero .case-hero__lead {
    white-space: normal;
  }
}

/* 首屏下方的成效数字条 */
.case-summary {
  margin-top: 34px;
  padding: 24px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.case-summary .stat__num {
  font-size: clamp(24px, 2.8vw, 32px);
}

.case-summary .stat__label {
  font-size: var(--fs-md);
}

/* 筛选条（与解决方案页保持同一视觉规范） */
.case-filter-bar {
  padding: 44px 0 0;
}

.case-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.case-filter + .case-filter {
  margin-top: 12px;
}

.case-filter__label {
  flex: none;
  font-size: var(--fs-sm);
  color: var(--text-3);
  margin-right: 2px;
}

.case-filter__btn {
  padding: 9px 20px;
  font-size: var(--fs-md);
  font-family: inherit;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition:
    color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}

.case-filter__btn:hover {
  border-color: var(--brand-300);
  color: var(--brand-700);
}

.case-filter__btn.is-active {
  color: #fff;
  background: var(--brand-600);
  border-color: var(--brand-600);
  box-shadow: 0 4px 12px rgba(26, 79, 160, 0.25);
}

.case-filter__btn:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

/* ---- 案例分页 ---- */
.case-pager {
  margin-top: 34px;
  padding: 18px 0 4px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.case-pager__count {
  font-size: var(--fs-sm);
  color: var(--text-3);
}

.case-pager__btns {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.case-pager__btn,
.case-pager__num {
  padding: 8px 16px;
  font-size: var(--fs-sm);
  font-family: inherit;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.case-pager__num {
  min-width: 38px;
  text-align: center;
}

.case-pager__btn:hover:not(:disabled),
.case-pager__num:hover {
  border-color: var(--brand-300);
  color: var(--brand-700);
}

.case-pager__num.is-active {
  color: #fff;
  background: var(--brand-600);
  border-color: var(--brand-600);
  font-weight: 600;
}

.case-pager__btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.case-pager__btn:focus-visible,
.case-pager__num:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

/* ---- 案例条目（长文式，承载背景 / 建设内容 / 落地成效） ---- */
.case-list {
  display: grid;
  gap: 26px;
}

.case-entry {
  position: relative;
  padding: 30px 34px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease-out);
}

@media (hover: hover) {
  .case-entry:hover {
    transform: translateY(-3px);
    border-color: var(--brand-200);
    box-shadow: var(--shadow-lg);
  }
}

.case-entry[hidden] {
  display: none;
}

.case-entry::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  background: linear-gradient(180deg, var(--brand-500), var(--brand-700));
}

.case-entry--infra::before {
  background: linear-gradient(180deg, #35ab84, #157a58);
}

.case-entry--itsp::before {
  background: linear-gradient(180deg, #4f9bd8, #1665a8);
}

/* 头部：客户名 + 行业 + 标签 */
.case-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.case-entry__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.case-entry__logo {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(140deg, var(--brand-600), var(--brand-800));
  color: #fff;
  font-size: var(--fs-3xl);
  font-weight: 600;
  line-height: 1;
}

.case-entry--infra .case-entry__logo {
  background: linear-gradient(140deg, #157a58, #0d4a37);
}

.case-entry--itsp .case-entry__logo {
  background: linear-gradient(140deg, #1665a8, #0b3f6b);
}

.case-entry__name {
  margin: 0 0 4px;
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--text-1);
  line-height: var(--lh-tight);
}

.case-entry__sector {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--text-3);
}

.case-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
}

.case-entry__lead {
  margin: 0 0 22px;
  font-size: var(--fs-lg);
  color: var(--text-2);
  line-height: var(--lh-body);
}

/* 三段式正文 */
.case-entry__cols {
  display: grid;
  gap: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

@media (min-width: 900px) {
  .case-entry__cols {
    grid-template-columns: 1fr 1fr;
    gap: 26px 34px;
  }

  .case-entry__cols > :first-child {
    grid-column: 1 / -1;
  }
}

.case-entry__col h4 {
  margin: 0 0 10px;
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-entry__col h4::before {
  content: "";
  width: 3px;
  height: 15px;
  border-radius: 2px;
  background: var(--brand-500);
}

.case-entry--infra .case-entry__col h4::before {
  background: #157a58;
}

.case-entry--itsp .case-entry__col h4::before {
  background: #1665a8;
}

.case-entry__col p {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--text-2);
  line-height: var(--lh-body);
}

.case-entry__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.case-entry__col li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-md);
  color: var(--text-2);
  line-height: var(--lh-body);
}

.case-entry__col li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-300);
}

.case-entry--infra .case-entry__col li::before {
  background: #8ecdb8;
}

.case-entry--itsp .case-entry__col li::before {
  background: #9cc7e8;
}

/* 成效数字行 */
.case-entry__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--bg-soft);
  border-radius: var(--radius);
}

@media (min-width: 768px) {
  .case-entry__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

.case-metric {
  font-size: var(--fs-md);
  color: var(--text-2);
  line-height: 1.5;
}

.case-metric b {
  display: block;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  color: var(--brand-700);
  line-height: 1.2;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.case-entry--infra .case-metric b {
  color: #157a58;
}

.case-entry--itsp .case-metric b {
  color: #1665a8;
}

/* 条目页脚：行业与产品对应关系 */
.case-entry__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-base);
  color: var(--text-3);
}

.case-entry__foot a {
  color: var(--brand-600);
  font-weight: 500;
}

@media (max-width: 767px) {
  .case-filter-bar {
    padding: 34px 0 0;
  }

  .case-filter {
    gap: 9px;
  }

  .case-filter__btn {
    padding: 10px 18px;
    font-size: var(--fs-base);
  }

  .case-entry {
    padding: 24px 20px 26px;
  }

  .case-entry__logo {
    width: 42px;
    height: 42px;
    font-size: var(--fs-2xl);
  }

  .case-entry__name {
    font-size: var(--fs-3xl);
  }

  .case-entry__metrics {
    padding: 18px;
  }
}


/* ═══════════════════════════════════════════
   应用详情页（/products/apps/）
   ═══════════════════════════════════════════ */

/* 概览条：三格信息，1px 描边分隔 */
.app-ov {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 768px) {
  .app-ov {
    grid-template-columns: repeat(3, 1fr);
  }
}

.app-ov__cell {
  padding: 20px 22px;
  background: #fff;
}

.app-ov__k {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  color: var(--text-3);
}

.app-ov__v {
  display: block;
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--text-1);
  line-height: var(--lh-body);
}

/* 适用场景：带序号的浅底条目 */
.app-scenes {
  counter-reset: scene;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

@media (min-width: 768px) {
  .app-scenes {
    grid-template-columns: repeat(3, 1fr);
  }
}

.app-scenes li {
  position: relative;
  padding: 24px 24px 24px 58px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  font-size: var(--fs-lg);
  color: var(--text-2);
  line-height: var(--lh-body);
}

.app-scenes li::before {
  counter-increment: scene;
  content: counter(scene, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 24px;
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--brand-600);
  letter-spacing: 0.02em;
}

/* 应用翻页 */
.app-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-md);
}

/* 扁平卡去掉尾段多余留白 */
.card--flat .card__desc:last-child {
  margin-bottom: 0;
}

/* 区块标题右侧附属链接（配合 .section-head--split） */
.section-head .section-head__more {
  margin: 0;
  font-size: var(--fs-md);
}

@media (max-width: 767px) {
  .app-scenes li {
    padding: 20px 20px 20px 52px;
  }

  .app-scenes li::before {
    left: 18px;
    top: 20px;
  }
}

/* 应用生态清单：应用名可点击进入详情页 */
.applist__group li .appname {
  display: block;
  font-weight: 500;
  color: var(--text-1);
  font-size: var(--fs-base);
  transition: color var(--dur-fast) var(--ease);
}

.applist__group li .appname::after {
  content: "›";
  margin-left: 6px;
  color: var(--brand-400);
  font-weight: 400;
}

.applist__group li .appname:hover {
  color: var(--brand-600);
}

.applist__hint {
  display: block;
  margin-top: 8px;
  font-weight: 400;
  color: var(--brand-700);
}


/* ═══════════════════════════════════════════
   首屏密度增强
   --app：应用详情页，概览三格上移进首屏
   --split：方案详情页，右侧成效数字卡
   ═══════════════════════════════════════════ */

/* 应用详情页：解除 800px 宽度限制，三格铺满容器 */
.page-hero--app .page-hero__inner {
  max-width: none;
}

.page-hero--app .app-ov {
  margin: 30px 0 26px;
}

/* 方案详情页：左文右数 */
.page-hero--split .page-hero__inner {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  grid-template-rows: auto auto auto;
  gap: 16px 56px;
  align-items: center;
}

/* 明确排布：标题/导语/按钮占左列，成效卡右侧跨三行 */
.page-hero--split .page-hero__inner > h1 {
  grid-column: 1;
  grid-row: 1;
}

.page-hero--split .page-hero__inner > .page-hero__lead {
  grid-column: 1;
  grid-row: 2;
}

.page-hero--split .page-hero__inner > .page-hero__actions {
  grid-column: 1;
  grid-row: 3;
}

.page-hero--split .page-hero__stats {
  grid-column: 2;
  grid-row: 1 / span 3;
}

.page-hero--split .page-hero__lead {
  max-width: 56ch;
}

.page-hero__stats {
  min-width: 0;
}

.page-hero__stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.page-hero__stat {
  padding: 16px 18px 15px;
  background: #fff;
}

.page-hero__stat b {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(19px, 1.8vw, 23px);
  font-weight: 600;
  color: var(--brand-700);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-hero__stat span {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-3);
  line-height: 1.55;
}

@media (max-width: 1023px) {
  .page-hero--split .page-hero__inner {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    gap: 18px;
  }

  /* 复位显式定位，恢复文档流顺序 */
  .page-hero--split .page-hero__inner > h1,
  .page-hero--split .page-hero__inner > .page-hero__lead,
  .page-hero--split .page-hero__inner > .page-hero__actions {
    grid-column: auto;
    grid-row: auto;
  }

  .page-hero--split .page-hero__stats,
  .page-hero--split .page-hero__shot {
    grid-column: auto;
    grid-row: auto;
    max-width: 560px;
  }
}

@media (max-width: 559px) {
  .page-hero--app .app-ov {
    margin: 24px 0 20px;
  }

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

  .page-hero__stat {
    padding: 13px 14px 12px;
  }
}


/* 平台产品卡（第 4 条产品线）：紫色系区分 */
.pfamily--4::before {
  background: linear-gradient(90deg, #6a48d7, #9a7ff0);
}

/* 首页第 4 张全宽平台产品卡 */
.product-line--wide {
  grid-column: 1 / -1;
}

.products-note {
  margin-top: 18px;
  text-align: center;
  font-size: var(--fs-base);
  color: var(--text-3);
}

/* 深色首屏上的 eyebrow */
.eyebrow--on-dark {
  color: var(--brand-300);
}


/* ═══════════════════════════════════════════
   产品详情页 · 深色首屏（左文右图）+ 吸顶标签导航
   参考结构：深色 hero → 标签栏 → 全宽章节
   ═══════════════════════════════════════════ */

/* 首屏：文字与界面图左右分栏 */
.hero-visual--split .hero-visual__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-visual--split .hero-visual__grid {
    grid-template-columns: minmax(0, 1fr) 44%;
    gap: 56px;
  }
}

.hero-visual--split .showcase {
  margin: 0;
}

/* 吸顶标签导航：复用 anchor-nav 结构与滚动高亮 JS */
.anchor-nav--tabs {
  position: sticky;
  top: var(--header-h-sm);
  z-index: 90;
  margin-bottom: 0;
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}

/* 移动端：保留「本页目录」折叠交互 */
@media (max-width: 1199px) {
  .anchor-nav--tabs .anchor-nav__list {
    display: none;
    flex-direction: column;
    padding: 4px 0 10px;
  }

  .anchor-nav--tabs .anchor-nav__list.is-open {
    display: flex;
  }

  .anchor-nav--tabs .anchor-nav__list a {
    border-left: 2px solid var(--line);
    border-bottom: 0;
  }

  .anchor-nav--tabs .anchor-nav__list a.is-active {
    background: var(--brand-50);
  }
}

/* 桌面端：水平标签 + 底部指示条 */
@media (min-width: 1200px) {
  .anchor-nav--tabs .anchor-nav__toggle {
    display: none;
  }

  .anchor-nav--tabs .anchor-nav__list {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 0;
    position: static;
  }

  .anchor-nav--tabs .anchor-nav__list a {
    position: relative;
    padding: 15px 18px 13px;
    border-left: 0;
    background: transparent;
    font-size: 15px;
    white-space: nowrap;
  }

  .anchor-nav--tabs .anchor-nav__list a::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 0;
    height: 3px;
    border-radius: 2px 2px 0 0;
    background: var(--brand-600);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--dur-fast) var(--ease-out);
  }

  .anchor-nav--tabs .anchor-nav__list a:hover {
    background: transparent;
    color: var(--brand-600);
  }

  .anchor-nav--tabs .anchor-nav__list a.is-active {
    background: transparent;
    color: var(--brand-600);
    font-weight: 600;
  }

  .anchor-nav--tabs .anchor-nav__list a.is-active::after {
    transform: scaleX(1);
  }
}

/* 全宽章节的纵向节奏 */
.product-sections > section {
  padding: 44px 0 10px;
}

.product-sections > section:first-child {
  padding-top: 46px;
}

/* 深色首屏长标题：压缩字号确保两行内（与首页 hero 同口径） */
.hero-visual--split .hero-visual__text h1 {
  font-size: clamp(24px, 2vw, 29px);
  line-height: 1.4;
}

/* ===== ITSM 产品功能：迷你界面卡网格（上模拟图 + 下标题描述） ===== */
.func-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.func-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* 模拟图统一高度，保证三列卡片视觉整齐；内部超出裁切 */
.func-card .ui {
  height: 236px;
  box-shadow: var(--shadow-md);
}

.func-card h3 {
  margin: 0;
  font-size: var(--fs-3xl);
  color: var(--text-1);
}

.func-card p {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--text-2);
  line-height: 1.7;
}

/* 亮点清单绿勾修饰（advlist 默认蓝勾） */
.advlist--green li::before {
  color: var(--ok);
}

/* 提示条紧跟卡片网格时补足上间距（原靠 feature-row 下边距撑开，网格后缺失） */
.grid + .notice {
  margin-top: 30px;
}

/* 产品架构图（用户提供的分层架构图） */
.arch-figure {
  margin: 26px 0 0;
}

.arch-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* 深色首屏右侧：迷你界面图（供应链/资产等无实拍截图的页面用） */
.hero-visual__figure {
  display: flex;
  align-items: center;
}

.hero-visual__figure .ui {
  width: 100%;
  height: 292px;
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.3);
}

/* 应用页概览条：深色首屏与吸顶标签之间的三格信息带 */
.app-ov-band {
  padding: 20px 0;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}

/* 深色分屏首屏内：迷你界面图按内容自然高度展示，不被 16:8.5 裁切 */
.hero-visual--split .showcase__body {
  aspect-ratio: auto;
}

.hero-visual--split .showcase__body .ui {
  height: auto;
  min-height: 0;
}

/* 应用页功能卡内的界面截图（单张 PNG 替换方案） */
.func-card .shot {
  height: auto;
}

/* 深色首屏右侧：单张界面 PNG（供应链/资产等页） */
.hero-visual__figure .shot {
  width: 100%;
  height: auto;
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.3);
}

/* 深色首屏右侧单张界面图：限高居中，保证各页首屏高度一致（图源宽扁或高瘦都适配） */
.hero-visual--split .showcase__body .shot,
.hero-visual__figure .shot {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 260px;
  margin-inline: auto;
}


/* ============ 方案页 hero 调整：H1 缩小、成效卡改单张图 ============ */
.page--solution .page-hero h1 {
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.35;
}

.page-hero--split .page-hero__shot {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* 上方 split 首屏规则在移动端复位（需晚于桌面规则声明，否则被覆盖） */
@media (max-width: 1023px) {
  .page-hero--split .page-hero__shot {
    grid-column: auto;
    grid-row: auto;
  }
}

/* ============ 方案页四段结构：行业挑战 / 建设目标 / 解决方案 / 实施价值 ============ */

/* 01 行业挑战：痛点卡网格（7 条 + 1 张「根源」总结卡 = 4×2 整齐排布） */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.pain-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.pain-card__no {
  font-family: var(--font-num, inherit);
  font-size: var(--fs-h3);
  line-height: 1;
  font-weight: 700;
  color: var(--brand-600);
  letter-spacing: 0.02em;
}

.pain-card h3 {
  margin: 0;
  font-size: var(--fs-2xl);
  color: var(--text-1);
}

.pain-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--text-2);
}

/* 「根源」卡：品牌浅底，作为 8 格中的收束 */
.pain-card--sum {
  background: linear-gradient(160deg, var(--brand-700), var(--brand-600));
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}

.pain-card--sum .pain-card__no {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-sm);
  letter-spacing: 0.14em;
}

.pain-card--sum h3,
.pain-card--sum p {
  color: #fff;
}

.pain-card--sum p {
  color: rgba(255, 255, 255, 0.82);
}

/* 02 建设目标：三张目标卡 */
.goal-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.goal-card__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  font-size: var(--fs-2xs, 12px);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--brand-700);
  background: var(--brand-50);
  border-radius: 999px;
}

.goal-card h3 {
  margin: 0;
  font-size: var(--fs-3xl);
  color: var(--text-1);
}

.goal-card p {
  margin: 0;
  font-size: var(--fs-md);
  line-height: 1.75;
  color: var(--text-2);
}

.goal-card__marks {
  margin: auto 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.goal-card__marks li {
  position: relative;
  padding-left: 22px;
  margin-top: 8px;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--text-2);
}

.goal-card__marks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--ok);
  font-weight: 700;
}

/* 03 解决方案：五大板块横向条 */
.pillar-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  background: #fff;
  border-radius: var(--radius-md, 10px);
}

.pillar b {
  font-size: var(--fs-md);
  color: var(--text-1);
}

.pillar span {
  font-size: var(--fs-xs, 13px);
  line-height: 1.6;
  color: var(--text-2);
}

/* 04 实施价值：四张价值卡（左色条） */
.value-card {
  position: relative;
  padding: 24px 26px 26px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.value-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--brand-500, var(--brand-600));
}

.value-card h3 {
  margin: 0 0 4px;
  font-size: var(--fs-3xl);
  color: var(--text-1);
}

.value-card__sub {
  margin: 0 0 12px;
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--brand-700);
}

.value-card__desc {
  margin: 0;
  font-size: var(--fs-md);
  line-height: 1.8;
  color: var(--text-2);
}

/* 响应式 */
@media (max-width: 1199px) {
  .pain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 767px) {
  .pain-grid,
  .pillar-row {
    grid-template-columns: 1fr;
  }

  .pain-card,
  .goal-card,
  .value-card {
    padding: 20px;
  }
}

/* ============ 方案页「解决方案」选项卡（总体架构 / 核心业务模块 / 实施方法） ============ */
.tabs__nav {
  display: flex;
  gap: 6px;
  padding: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.tabs__tab {
  flex: 1;
  padding: 13px 16px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  font-family: inherit;
  font-size: var(--fs-lg);
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.tabs__tab:hover {
  color: var(--brand-700);
  background: rgba(44, 107, 201, 0.08);
}

.tabs__tab.is-active {
  background: var(--brand-600);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.tabs__tab:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

/* 渐进增强：JS 就绪后才隐藏未激活面板；禁用 JS 时全部可见 */
.tabs--enhanced .tabs__panel {
  display: none;
}

.tabs--enhanced .tabs__panel.is-active {
  display: block;
  animation: tabs-in var(--dur-slow, 320ms) var(--ease);
}

@keyframes tabs-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.tabs__panel {
  margin-top: 26px;
}

/* Tab 1 方案总体架构：四层架构卡（纵向堆叠，层名在左） */
.arch-layer {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.arch-layer + .arch-layer {
  margin-top: 12px;
}

.arch-layer__name {
  padding: 4px 12px;
  justify-self: start;
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--brand-700);
  background: var(--brand-50);
  border-radius: 999px;
  white-space: nowrap;
}

.arch-layer__desc {
  margin: 0 0 6px;
  font-size: var(--fs-md);
  line-height: 1.7;
  color: var(--text-1);
}

.arch-layer__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.arch-layer__tags span {
  padding: 3px 10px;
  font-size: var(--fs-xs);
  color: var(--text-2);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* Tab 3 项目实施方法：五步横排 */
.step-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.step-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.step-card__no {
  font-size: var(--fs-h3);
  line-height: 1;
  font-weight: 700;
  color: var(--brand-600);
}

.step-card h4 {
  margin: 0;
  font-size: var(--fs-2xl);
  color: var(--text-1);
}

.step-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--text-2);
}

/* 响应式 */
@media (max-width: 1199px) {
  .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .tabs__nav {
    flex-direction: column;
  }

  .arch-layer {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .step-grid {
    grid-template-columns: 1fr;
  }
}

/* 模块卡第 5 张跨两列（grid--2 末尾补位） */
.grid--2 .goal-card--wide {
  grid-column: 1 / -1;
}


/* ============ 客户案例首屏 · 客户 LOGO 动画墙 ============ */
.logo-wall {
  margin-top: 30px;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.logo-wall__row {
  display: flex;
  width: max-content;
}

.logo-wall__row + .logo-wall__row {
  margin-top: 14px;
}

.logo-wall__group {
  display: flex;
  gap: 14px;
  padding-right: 14px;
}

.logo-wall__row--fwd { animation: logoScroll 76s linear infinite; }
.logo-wall__row--rev { animation: logoScroll 90s linear infinite reverse; }

.logo-wall__row:nth-child(3) { animation-duration: 68s; }

.logo-wall:hover .logo-wall__row { animation-play-state: paused; }

@keyframes logoScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.logo-wall__item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  padding: 0 24px;
  background: #fff;
  border: 1px solid rgba(15, 35, 70, 0.08);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(15, 35, 70, 0.05);
}

.logo-wall__item img {
  display: block;
  width: auto;
  max-height: 34px;
}

@media (prefers-reduced-motion: reduce) {
  .logo-wall { overflow: visible; -webkit-mask-image: none; mask-image: none; }
  .logo-wall__row { animation: none; flex-wrap: wrap; width: auto; }
  .logo-wall__group { flex-wrap: wrap; padding-right: 0; }
  .logo-wall__group + .logo-wall__group { display: none; }
}

@media (max-width: 767px) {
  .logo-wall { margin-top: 26px; }
  .logo-wall__item { height: 52px; padding: 0 16px; border-radius: 10px; }
  .logo-wall__item img { max-height: 26px; }
  .logo-wall__row--fwd { animation-duration: 48s; }
  .logo-wall__row--rev { animation-duration: 58s; }
}

/* ============ 网站地图 / 隐私政策 ============ */
.sitemap-list {
  display: grid;
  gap: 10px;
}

.sitemap-list li::before {
  content: none;
}

.sitemap-list a {
  color: var(--text-2);
  font-size: var(--fs-base);
}

.sitemap-list a:hover {
  color: var(--brand-600);
}

.legal {
  max-width: 800px;
}

.legal h2 {
  font-size: var(--fs-xl);
  margin: 30px 0 12px;
}

.legal h2:first-child {
  margin-top: 0;
}

.legal p,
.legal li {
  color: var(--text-2);
  line-height: 1.85;
  font-size: var(--fs-base);
}

.legal ul {
  padding-left: 22px;
  display: grid;
  gap: 8px;
  margin: 10px 0;
}

.legal a {
  color: var(--brand-600);
}

.error-page h1 {
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 10px;
}

.error-page .container > p {
  color: var(--text-2);
}

.error-page__links a:not(.btn) {
  color: var(--text-2);
}

.error-page__links a:not(.btn):hover {
  color: var(--brand-600);
}

/* ============ 关于我们（按 afanbuild 关于页内容重建） ============ */
.about-hero {
  position: relative;
  padding: 76px 0 104px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
  background-color: var(--brand-50);
  background-image:
    radial-gradient(64% 78% at 50% -8%, rgba(26, 79, 160, 0.13) 0%, rgba(26, 79, 160, 0) 62%),
    linear-gradient(180deg, #eef4fc 0%, #f7fafe 56%, #ffffff 100%);
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(26, 79, 160, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26, 79, 160, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(76% 72% at 50% 18%, #000 0%, transparent 76%);
  mask-image: radial-gradient(76% 72% at 50% 18%, #000 0%, transparent 76%);
}

.about-hero__inner {
  max-width: 880px;
}

.about-hero h1 {
  margin-bottom: 26px;
  color: var(--brand-900);
  letter-spacing: -0.01em;
}

.about-hero h1 span {
  display: inline-block;
  margin-left: 14px;
  font-size: 0.4em;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--brand-400);
  vertical-align: 0.42em;
}

.about-hero__rule {
  display: block;
  width: 40px;
  height: 3px;
  margin: 0 auto 24px;
  border-radius: 2px;
  background: var(--brand-600);
}

.about-hero__lead {
  font-size: var(--fs-xl);
  color: var(--text-2);
  line-height: var(--lh-loose);
}

/* 企业数据条：骑在首屏底边上 */
.about-facts {
  position: relative;
  z-index: 2;
  margin-top: -64px;
}

.fact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.fact {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: #fff;
  text-align: left;
}

.fact__icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--brand-50);
  color: var(--brand-600);
}

.fact__body {
  min-width: 0;
}

.fact__value {
  display: block;
  font-size: var(--fs-xl);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--brand-800);
}

.fact__label {
  display: block;
  margin-top: 3px;
  font-size: var(--fs-sm);
  color: var(--text-3);
  letter-spacing: 0.04em;
}

@media (min-width: 720px) {
  .fact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .fact-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .fact {
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    padding: 30px 20px 28px;
    text-align: center;
  }

  .fact__icon {
    width: 42px;
    height: 42px;
    margin-bottom: 16px;
  }

  .fact__value {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    font-size: clamp(21px, 2.4vw, 29px);
    line-height: 1.2;
  }

  .fact--name .fact__value {
    font-size: var(--fs-lg);
    letter-spacing: 0.01em;
    color: var(--text-1);
  }

  .fact__label {
    margin-top: 8px;
  }
}

/* 企业核心价值 */
.about-values .section-head {
  margin-bottom: 34px;
}

.about-values .section-head h2 {
  margin-bottom: 0;
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 760px) {
  .value-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
}

.value-item {
  position: relative;
  padding: 32px 28px 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.value-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-600), var(--brand-300));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .value-item:hover {
    transform: translateY(-3px);
    border-color: var(--brand-200);
    box-shadow: var(--shadow-lg);
  }

  .value-item:hover::before {
    transform: scaleX(1);
  }
}

.value-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--brand-50) 0%, #e8f0fb 100%);
  color: var(--brand-600);
}

.value-item h3 {
  margin-bottom: 12px;
  font-size: var(--fs-3xl);
  color: var(--text-1);
}

.value-item p {
  margin: 0;
  font-size: var(--fs-md);
  line-height: 1.9;
  color: var(--text-2);
}

@media (max-width: 575px) {
  .about-hero {
    padding: 52px 0 88px;
  }

  .about-hero h1 span {
    display: block;
    margin: 6px 0 0;
    vertical-align: baseline;
  }

  .value-item {
    padding: 26px 22px 28px;
  }
}

/* ============ 成为合作伙伴 ============ */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

@media (min-width: 680px) {
  .flow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .flow-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ============ 成为合作伙伴（参考版式重做） ============ */
.pt-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(90% 120% at 88% 10%, rgba(120, 160, 255, 0.28) 0%, rgba(120, 160, 255, 0) 55%),
    radial-gradient(60% 90% at 100% 90%, rgba(56, 100, 220, 0.35) 0%, rgba(56, 100, 220, 0) 60%),
    linear-gradient(118deg, #1c3d9e 0%, #2450c8 55%, #2f5fd6 100%);
}

.pt-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 40px;
  padding: 64px 0 58px;
}

.pt-hero h1 {
  color: #fff;
  font-size: clamp(26px, 3vw, 36px);
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.pt-hero__en {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.02em;
}

.pt-hero__lead {
  color: rgba(255, 255, 255, 0.88);
  font-size: var(--fs-base);
  line-height: 1.9;
  max-width: 480px;
  margin-bottom: 26px;
}

.btn--amber {
  background: #f59e0b;
  color: #fff;
  border-color: transparent;
}

.btn--amber:hover {
  background: #dd8f09;
  color: #fff;
}

.pt-hero__art {
  position: relative;
  min-height: 340px;
}

.pt-hero__art svg.pt-hero__iso {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(100%, 470px);
  height: auto;
}

.pt-chip {
  position: absolute;
  padding: 4px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 4px;
  white-space: nowrap;
  backdrop-filter: blur(2px);
}

.pt-chip::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 1px;
  height: 7px;
  background: rgba(255, 255, 255, 0.4);
}

/* —— 您将获得：环绕式 —— */
.gain-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px) minmax(0, 1fr);
  gap: 28px 40px;
  align-items: center;
  max-width: 1060px;
  margin: 0 auto;
}

.gain-col {
  display: grid;
  gap: 44px;
}

.gain {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 4px 14px;
}

.gain__icon {
  grid-row: 1 / span 2;
  width: 44px;
  height: 44px;
}

.gain h3 {
  font-size: 17px;
  align-self: center;
}

.gain p {
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.8;
}

.gain--center {
  grid-column: 2;
  justify-self: center;
  text-align: center;
  max-width: 360px;
  margin-top: 6px;
}

.gain--center .gain__icon {
  margin: 0 auto 10px;
}

.gain-fig {
  grid-column: 2;
  grid-row: 1 / span 2;
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 380px;
}

.gain-fig::before {
  content: "";
  position: absolute;
  inset: -8%;
  border: 1.5px dashed rgba(37, 99, 235, 0.35);
  border-radius: 50%;
}

.gain-fig svg {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
}

.gain-fig i {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-600);
}

/* —— Idea 1-4 —— */
.idea-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px 40px;
  max-width: 1060px;
  margin: 0 auto;
}

.idea {
  display: grid;
  gap: 14px;
}

.idea__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.idea__icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #eef3ff;
  display: grid;
  place-items: center;
  flex: none;
}

.idea__word {
  font-weight: 700;
  font-size: 18px;
  color: var(--text-1);
}

.idea__no {
  font-size: 40px;
  line-height: 1;
  font-weight: 800;
  color: var(--brand-600);
  font-style: italic;
}

.idea p {
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.85;
}

/* —— 合作申请流程：两行 S 形 —— */
.pflow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr) 64px minmax(0, 1fr);
  gap: 26px 0;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.pflow__card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.pflow__card svg {
  flex: none;
}

.pflow__card h4 {
  font-size: 15px;
  font-weight: 600;
}

.pflow__arrow {
  justify-self: center;
  color: var(--brand-500, #3b82f6);
  opacity: 0.85;
}

.pflow__dn {
  grid-column: 5;
  grid-row: 2;
  justify-self: center;
}

@media (max-width: 1023px) {
  .pt-hero__art { display: none; }
  .pt-hero__inner { grid-template-columns: 1fr; padding: 48px 0; }

  .gain-wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .gain-fig { grid-row: auto; grid-column: 1; max-width: 320px; }
  .gain-col { gap: 28px; }
  .gain--center { grid-column: 1; margin-top: 0; }

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

  .pflow { grid-template-columns: 1fr; gap: 14px; max-width: 440px; }
  .pflow > * { grid-row: auto !important; grid-column: auto !important; }
  .pflow__arrow { transform: rotate(90deg); }
  .pflow__dn { justify-self: center; }
}

@media (max-width: 560px) {
  .idea-grid { grid-template-columns: 1fr; }
}

/* ============ 学习&帮助：四栏目 ============ */
.lp-sec {
  scroll-margin-top: calc(var(--header-h-sm) + 62px);
}

/* 高频问答：分组 */
.faq-group + .faq-group {
  margin-top: 34px;
}

.faq-group__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
}

.faq-group__label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-600);
  flex: none;
}

/* 文档中心 */
.doc-list {
  display: grid;
  gap: 12px;
}

.doc-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.doc-row:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.doc-row__icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--brand-50);
  color: var(--brand-600);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid var(--brand-100);
}

.doc-row__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.5;
}

.doc-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 7px;
  font-size: 12.5px;
  color: var(--text-3);
}

.doc-row__meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.doc-row__act {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-600);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  border-radius: var(--radius-pill);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.doc-row__act:hover {
  background: var(--brand-600);
  color: #fff;
  border-color: var(--brand-600);
}

/* 视频课堂 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.video-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.video-card:hover {
  border-color: var(--brand-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.video-card__thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background:
    radial-gradient(80% 100% at 20% 0%, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0) 60%),
    linear-gradient(135deg, #1c3d9e 0%, #2a55c4 58%, #3a6ce0 100%);
}

.video-card__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.55;
}

.video-card__play {
  position: relative;
  z-index: 1;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 22px rgba(8, 24, 56, 0.28);
  transition: transform var(--dur) var(--ease);
}

.video-card:hover .video-card__play {
  transform: scale(1.08);
}

.video-card__dur {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 1;
  padding: 2px 8px;
  font-size: 12px;
  color: #fff;
  background: rgba(8, 22, 50, 0.6);
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
}

.video-card__body {
  display: grid;
  gap: 8px;
  padding: 16px 18px 18px;
}

.video-card__body h3 {
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--text-1);
}

.video-card__meta {
  font-size: 12.5px;
  color: var(--text-3);
}

/* 产品资讯 */
.news-list {
  border-top: 1px solid var(--line);
}

.news-item {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  padding: 22px 2px;
  border-bottom: 1px solid var(--line);
}

.news-item__date {
  font-size: 13px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}

.news-item h3 {
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 7px;
}

.news-item h3 a {
  color: var(--text-1);
}

.news-item h3 a:hover {
  color: var(--brand-600);
}

.news-item p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.news-tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 9px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--brand-700);
  background: var(--brand-50);
  border-radius: var(--radius-pill);
  vertical-align: 2px;
}

/* ============ 文档在线预览 ============ */
.docview {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.docview__side {
  position: sticky;
  top: calc(var(--header-h-sm) + 24px);
}

.docview__toc {
  display: grid;
  gap: 2px;
  padding: 18px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.docview__toc p {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-bottom: 10px;
}

.docview__toc a {
  padding: 8px 10px;
  font-size: 13.5px;
  color: var(--text-2);
  border-radius: var(--radius-xs);
  border-left: 2px solid transparent;
}

.docview__toc a:hover {
  color: var(--brand-600);
  background: var(--brand-50);
}

.docview__toc a.is-active {
  color: var(--brand-600);
  background: #fff;
  border-left-color: var(--brand-600);
  font-weight: 500;
}

.docview__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-2);
}

.docview__back:hover {
  color: var(--brand-600);
}

.docview__head {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}

.docview__head h1 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin-bottom: 12px;
}

.docview__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 13px;
  color: var(--text-3);
}

.docview__lock {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 7px 12px;
  font-size: 12.5px;
  color: var(--warn);
  background: var(--warn-soft);
  border-radius: var(--radius-sm);
}

.doc-body {
  max-width: 760px;
}

.doc-body h2 {
  font-size: 19px;
  margin: 34px 0 12px;
  scroll-margin-top: calc(var(--header-h-sm) + 24px);
}

.doc-body h2:first-child {
  margin-top: 0;
}

.doc-body p {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--text-2);
  margin-bottom: 12px;
}

.doc-body ul {
  margin: 0 0 14px;
  padding-left: 20px;
  display: grid;
  gap: 7px;
}

.doc-body li {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
}

.doc-body strong {
  color: var(--text-1);
}

@media (max-width: 1023px) {
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docview { grid-template-columns: 1fr; gap: 28px; }
  .docview__side { position: static; }
  .docview__toc { display: none; }
}

@media (max-width: 767px) {
  .video-grid { grid-template-columns: 1fr; }

  .doc-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px 14px;
    padding: 16px;
  }
  .doc-row__icon { width: 40px; height: 40px; border-radius: 8px; font-size: 10px; }
  .doc-row__act { grid-column: 1 / -1; justify-self: start; }

  .news-item { grid-template-columns: 1fr; gap: 8px; padding: 18px 2px; }
  .news-item__date { padding-top: 0; order: -1; }
}

.section-head + .notice {
  margin-top: 22px;
}

.docview__toc > div {
  display: grid;
  gap: 2px;
}

/* ============ 学习帮助中心首屏（居中 + 背景装饰） ============ */
.learn-hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 62px;
  text-align: center;
  background:
    radial-gradient(56% 120% at 50% -18%, rgba(42, 85, 196, 0.16) 0%, rgba(42, 85, 196, 0) 62%),
    linear-gradient(180deg, var(--brand-50) 0%, #fff 78%, #fff 100%);
}

.learn-hero h1 {
  margin-bottom: 14px;
}

.learn-hero__lead {
  font-size: var(--fs-base);
  color: var(--text-2);
  letter-spacing: 0.01em;
}

.learn-hero__deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.learn-hero__deco::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 85, 196, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 85, 196, 0.055) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(72% 130% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(72% 130% at 50% 0%, #000 30%, transparent 78%);
}

.learn-hero__ring,
.learn-hero__dot {
  position: absolute;
  display: block;
  border-radius: 50%;
}

.learn-hero__ring {
  width: 220px;
  height: 220px;
  border: 1.5px dashed rgba(42, 85, 196, 0.22);
  left: max(-60px, 3vw);
  top: -46px;
}

.learn-hero__ring--2 {
  width: 130px;
  height: 130px;
  right: 6vw;
  bottom: -52px;
  left: auto;
  top: auto;
  border-style: solid;
  border-color: rgba(42, 85, 196, 0.14);
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.9) 0%, rgba(214, 228, 255, 0.55) 100%);
}

.learn-hero__dot {
  width: 10px;
  height: 10px;
  background: rgba(59, 118, 235, 0.5);
}

.learn-hero__dot--1 { left: 12vw; bottom: 34px; }
.learn-hero__dot--2 { left: 22vw; top: 34px; width: 7px; height: 7px; background: rgba(245, 158, 11, 0.55); }
.learn-hero__dot--3 { right: 15vw; top: 52px; }
.learn-hero__dot--4 { right: 26vw; bottom: 46px; width: 6px; height: 6px; background: rgba(42, 85, 196, 0.35); }

.learn-hero__sq,
.learn-hero__tri,
.learn-hero__plus {
  position: absolute;
  color: rgba(42, 85, 196, 0.3);
}

.learn-hero__sq { left: 8vw; top: 58px; transform: rotate(-12deg); }
.learn-hero__tri { right: 9vw; bottom: 60px; transform: rotate(10deg); }
.learn-hero__plus { right: 30vw; top: 30px; color: rgba(245, 158, 11, 0.45); transform: rotate(14deg); }

@media (max-width: 767px) {
  .learn-hero { padding: 52px 0 44px; }
  .learn-hero__sq { left: 5vw; top: 34px; }
  .learn-hero__tri { right: 5vw; bottom: 36px; }
  .learn-hero__ring { width: 150px; height: 150px; left: -50px; }
  .learn-hero__ring--2 { width: 90px; height: 90px; right: -28px; }
  .learn-hero__plus { display: none; }
}

/* 视频卡：名称置于缩略图背景上（覆盖旧版式） */
.video-card__thumb .video-card__play {
  position: absolute;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.video-card:hover .video-card__thumb .video-card__play {
  transform: translate(-50%, -50%) scale(1.08);
}

.video-card__cat {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 1;
  padding: 3px 10px;
  font-size: 11.5px;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(2px);
}

.video-card__name {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  z-index: 1;
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-shadow: 0 2px 10px rgba(8, 22, 50, 0.45);
}