/**

 * 学习中心 study.html — 可读性增强（2026）

 */

body.study-page {

  font-size: 16px;

  line-height: 1.65;

  color: #e2e8f0;

  padding-top: 55px;

  padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));

}



/* 深色主体页：nav-link 勿继承 body 浅色字，与全站白底导航一致 */

body.study-page #navbar nav > a,

body.study-page #navbar nav .dropbtn.nav-link {

  color: #1d2129;

  font-weight: 500;

}



body.study-page #navbar nav > a:hover,

body.study-page #navbar nav .dropbtn.nav-link:hover {

  color: #10b981;

}



/* 主体区与导航同宽：80rem + 统一水平内边距（platform-common 兜底） */

body.study-page .hero-reset,
body.study-page .platform-category,
body.study-page .study-anchor-nav,
body.study-page .study-hero-lite,
body.study-page .study-split-bar,
body.study-page .study-breadcrumb {
  width: 100%;
  box-sizing: border-box;
}



body.study-page main {

  font-size: 1rem;

  line-height: 1.65;

}



.study-section-header {

  display: flex;

  flex-wrap: wrap;

  align-items: center;

  justify-content: space-between;

  gap: 12px;

  margin-bottom: 8px;

}



.study-section-header .category-title {

  margin-bottom: 0;

  text-align: left;

  flex: 1 1 240px;

}



.study-section-link {

  display: inline-flex;

  align-items: center;

  gap: 8px;

  padding: 8px 14px;

  border-radius: 10px;

  font-size: 0.8125rem;

  font-weight: 600;

  color: #34d399;

  text-decoration: none;

  background: rgba(16, 185, 129, 0.1);

  border: 1px solid rgba(16, 185, 129, 0.28);

  transition: background 0.2s ease, border-color 0.2s ease;

  white-space: nowrap;

}



.study-section-link:hover {

  background: rgba(16, 185, 129, 0.18);

  border-color: rgba(16, 185, 129, 0.45);

  color: #6ee7b7;

}



.study-section-sub {

  color: #94a3b8;

  font-size: 0.9375rem;

  text-align: center;

  line-height: 1.7;

  margin: 0 0 20px;

}



.study-section-head .study-section-sub {

  margin-top: 6px;

}



.study-anchor-nav {

  display: flex;

  flex-wrap: wrap;

  justify-content: center;

  gap: 8px;

  margin-bottom: 24px;

  padding: 14px 16px;

  background: rgba(15, 23, 42, 0.72);

  border: 1px solid rgba(16, 185, 129, 0.22);

  border-radius: 14px;

}



.study-anchor-link {

  padding: 8px 16px;

  border-radius: 999px;

  font-size: 0.875rem;

  font-weight: 600;

  color: #e2e8f0;

  text-decoration: none;

  border: 1px solid rgba(255, 255, 255, 0.14);

  transition: all 0.2s ease;

}



.study-anchor-link:hover {

  color: #10b981;

  border-color: rgba(16, 185, 129, 0.45);

  background: rgba(16, 185, 129, 0.1);

}



.study-quick-paths {

  margin-bottom: 32px;

}



.study-quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 16px;
}



.study-quick-card {

  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));

  border: 1px solid rgba(16, 185, 129, 0.22);

  border-radius: 16px;

  padding: 20px 20px 18px;

  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);

}



.study-quick-card h3 {

  color: #0f172a;

  font-size: 1.0625rem;

  font-weight: 700;

  margin: 8px 0 8px;

  line-height: 1.45;

}



.study-quick-card p {

  color: #475569;

  font-size: 0.875rem;

  line-height: 1.7;

  margin-bottom: 10px;

  min-height: 0;

}

.study-quick-meta {
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #059669;
  letter-spacing: 0.02em;
}

.study-quick-outcome {
  margin: 0 0 12px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: #334155;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.study-quick-outcome strong {
  color: #047857;
}

.study-quick-start {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.study-quick-start:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.45);
}



.study-quick-icon {

  font-size: 1.5rem;

  line-height: 1;

}



.study-quick-links {

  display: flex;

  flex-wrap: wrap;

  gap: 8px;

}



.study-quick-link {

  display: inline-block;

  padding: 6px 12px;

  border-radius: 8px;

  font-size: 0.8125rem;

  font-weight: 600;

  color: #047857;

  background: #ecfdf5;

  border: 1px solid rgba(16, 185, 129, 0.25);

  text-decoration: none;

  transition: all 0.2s ease;

}



.study-quick-link:hover {

  background: #d1fae5;

  color: #065f46;

}



/* 搜索筛选区可读性 */

body.study-page .search-filter-bar {

  gap: 14px;

  padding: 18px 20px;

  margin-bottom: 28px;

}



body.study-page .search-input {

  font-size: 0.9375rem;

  padding: 10px 14px 10px 38px;

  line-height: 1.5;

}



body.study-page .filter-btn {

  font-size: 0.8125rem;

  padding: 8px 16px;

}



/* 平台卡片可读性 */

body.study-page .platform-card {

  padding: 22px;

  display: flex;

  flex-direction: column;

}



body.study-page .platform-desc {

  font-size: 0.9375rem !important;

  line-height: 1.7 !important;

  color: #cbd5e1 !important;

  min-height: 0;

  flex: 1;

}



body.study-page .platform-name {

  font-size: 1.125rem !important;

  color: #f8fafc !important;

  -webkit-text-fill-color: #f8fafc !important;

  background: none !important;

  filter: none !important;

}



body.study-page .platform-link {

  font-size: 0.875rem;

  padding: 10px 18px;

  margin-top: auto;

  align-self: flex-start;

}



body.study-page .category-title {

  font-size: 1.5rem !important;

  text-transform: none !important;

  letter-spacing: 0.02em !important;

}



.tag-hot {

  background: rgba(245, 158, 11, 0.18) !important;

  color: #fbbf24 !important;

  border: 1px solid rgba(245, 158, 11, 0.35) !important;

}



.tag-ai {

  background: rgba(139, 92, 246, 0.18) !important;

  color: #c4b5fd !important;

  border: 1px solid rgba(139, 92, 246, 0.35) !important;

}



.study-featured-grid .platform-desc {

  min-height: 0;

}



.study-featured-card {

  border-color: rgba(16, 185, 129, 0.35) !important;

}



body.study-page .advantage-item p {

  font-size: 0.875rem;

  line-height: 1.65;

}



@media (max-width: 767px) {

  body.study-page h1 {
    font-size: clamp(1.35rem, 5.5vw, 1.75rem) !important;
    line-height: 1.35 !important;
    margin-bottom: 0.75rem !important;
  }

  body.study-page h2,
  body.study-page .category-title {
    font-size: clamp(1.15rem, 4.5vw, 1.5rem) !important;
    line-height: 1.4 !important;
    margin-bottom: 0.75rem !important;
  }

  body.study-page h3,
  body.study-page .subcategory-title {
    font-size: 1.0625rem !important;
    line-height: 1.45 !important;
  }

  body.study-page p,
  body.study-page li {
    font-size: 0.875rem !important;
    line-height: 1.65 !important;
  }

  body.study-page .text-lg { font-size: 1rem !important; }
  body.study-page .text-sm { font-size: 0.8125rem !important; }
  body.study-page .text-xs { font-size: 0.75rem !important; }

  body.study-page main {
    padding-top: 1rem !important;
    padding-bottom: 1.5rem !important;
  }

  body.study-page section {
    padding-top: 1.25rem !important;
    padding-bottom: 1.25rem !important;
  }

  /* 移动端大栅格改单列；Hero 快捷入口保留 2 列（勿用 [class*=md:grid-cols-4] 误伤） */
  body.study-page [class*="lg:grid-cols-5"],
  body.study-page [class*="md:grid-cols-4"],
  body.study-page [class*="md:grid-cols-3"],
  body.study-page [class*="md:grid-cols-2"] {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  body.study-page .hero-reset .grid.grid-cols-2,
  body.study-page .hero-reset [class*="md:grid-cols-4"].grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  body.study-page .hero-reset .grid.grid-cols-2 > a {
    min-height: 44px;
    padding: 10px 12px !important;
  }

  body.study-page .search-filter-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 16px;
  }

  body.study-page .search-input {
    min-width: 0 !important;
    width: 100%;
    font-size: 16px !important;
  }

  body.study-page .filter-btn {
    min-width: 0 !important;
    min-height: 0 !important;
  }

  body.study-page .nav-link,
  body.study-page .platform-link {
    min-width: 0 !important;
  }

  body.study-page .platform-grid,
  body.study-page .study-quick-grid,
  body.study-page .advantage-grid {
    grid-template-columns: 1fr !important;
  }

  body.study-page .floating-cta {
    flex-wrap: wrap;
    padding: 10px 12px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
  }

  body.study-page .floating-cta .cta-phone,
  body.study-page .floating-cta .cta-consult {
    flex: 1 1 auto;
    justify-content: center;
    min-height: 44px;
    font-size: 0.75rem;
    padding: 8px 10px;
  }

  body.study-page .container {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }
}

@media (max-width: 768px) {

  body.study-page .platform-desc {

    font-size: 0.875rem !important;

  }



  body.study-page .platform-grid {

    grid-template-columns: 1fr !important;

  }



  .study-section-header .category-title {

    text-align: center;

    width: 100%;

  }



  .study-section-link {

    width: 100%;

    justify-content: center;

  }

}



@media (max-width: 640px) {

  .study-quick-grid {

    grid-template-columns: 1fr;

  }



  .study-anchor-nav {

    justify-content: flex-start;

  }

}



@media (prefers-reduced-motion: reduce) {

  .platform-card:hover {

    transform: none !important;

  }

  .study-split-btn {

    transition: none;

  }

}

/* ── P0：轻 Hero + 学/选/服分流 ── */
.study-hero-lite {
  margin-bottom: 1rem;
  padding: 1.25rem 1rem 1.1rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(6, 78, 59, 0.35) 100%);
  border: 1px solid rgba(16, 185, 129, 0.22);
  text-align: center;
}

.study-hero-lite__kicker {
  margin: 0 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(52, 211, 153, 0.85);
}

.study-hero-lite__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 800;
  line-height: 1.25;
  color: #f8fafc;
}

.study-hero-lite__desc {
  margin: 0;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(226, 232, 240, 0.78);
}

.study-hero-lite__link {
  color: #34d399;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.study-hero-lite__link:hover {
  color: #6ee7b7;
}

.study-hero-lite__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.85rem;
  min-height: 44px;
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 700;
  color: #ecfdf5;
  text-decoration: none;
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.study-hero-lite__cta:hover {
  color: #fff;
}

.study-split-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.35rem;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.study-hash-anchor {
  display: block;
  height: 0;
  scroll-margin-top: 72px;
}

.study-split-bar--sticky {
  position: sticky;
  top: 55px;
  z-index: 20;
  backdrop-filter: blur(8px);
}

.study-split-btn {
  flex: 1 1 7rem;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: rgba(226, 232, 240, 0.75);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.study-split-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.study-split-btn.is-active {
  color: #ecfdf5;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.35), rgba(5, 150, 105, 0.25));
  border-color: rgba(16, 185, 129, 0.45);
}

.study-split-btn--muted.is-active {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.35);
}

.study-panel {
  display: none;
}

.study-panel.is-active {
  display: block;
}

.study-expand-btn {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.06);
  border: 1px dashed rgba(148, 163, 184, 0.35);
  cursor: pointer;
  transition: all 0.2s;
}

.study-expand-btn:hover {
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.45);
}

.study-select-block {
  margin-bottom: 1.5rem;
}

.study-select-block__title {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: #e2e8f0;
}

.study-select-block__title i {
  color: #10b981;
  margin-right: 0.35rem;
}

.study-select-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.study-select-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
  transition: all 0.2s;
}

.study-select-link:hover {
  color: #fff;
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.12);
}

.study-select-link--primary {
  color: #ecfdf5;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.35), rgba(5, 150, 105, 0.2));
  border-color: rgba(16, 185, 129, 0.45);
}

.study-service-panel {
  margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
  .study-breadcrumb {
    display: none;
  }

  .study-hero-lite {
    margin-bottom: 0.65rem;
    padding: 0.85rem 0.75rem 0.75rem;
    text-align: left;
  }

  .study-hero-lite__kicker {
    display: none;
  }

  .study-hero-lite__title {
    font-size: 1.2rem;
    margin-bottom: 0.35rem;
  }

  .study-hero-lite__desc {
    font-size: 0.8125rem;
    line-height: 1.5;
  }

  .study-hero-lite__desc .study-hero-lite__long {
    display: none;
  }

  .study-hero-lite__cta {
    width: 100%;
    margin-top: 0.65rem;
  }

  .study-split-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: 0.4rem;
    margin-bottom: 0.85rem;
    padding: 0.3rem;
  }

  .study-split-bar--sticky {
    top: 55px;
  }

  .study-split-btn {
    flex: 0 0 auto;
    scroll-snap-align: start;
    min-width: 7.5rem;
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
  }

  .study-section-sub {
    display: none;
  }

  .study-quick-card .study-quick-links {
    display: none;
  }

  .study-quick-card p:not(.study-quick-meta):not(.study-quick-outcome) {
    display: none;
  }

  .study-quick-outcome {
    margin-bottom: 10px;
    padding: 6px 8px;
    font-size: 0.75rem;
  }

  .study-quick-start {
    width: 100%;
    justify-content: center;
    margin-bottom: 0;
  }

  .study-learn-bridge,
  .study-faq {
    margin-bottom: 1.5rem;
    padding-top: 0.5rem;
  }

  .study-anchor-nav {
    display: none;
  }

  .study-convert-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .study-convert-bar__actions {
    flex-direction: column;
  }
}

/* ── SEO 面包屑 ── */
.study-breadcrumb {
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
}

.study-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: rgba(148, 163, 184, 0.9);
}

.study-breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: rgba(148, 163, 184, 0.5);
}

.study-breadcrumb a {
  color: #94a3b8;
  text-decoration: none;
}

.study-breadcrumb a:hover {
  color: #34d399;
}

.study-breadcrumb li:last-child span {
  color: #e2e8f0;
}

/* ── 学→选软转化 ── */
.study-learn-bridge {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.study-learn-bridge__text {
  margin: 0;
  font-size: 0.875rem;
  color: #cbd5e1;
}

.study-learn-bridge__btn {
  min-height: 44px;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 10px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  cursor: pointer;
  transition: opacity 0.2s;
}

.study-learn-bridge__btn:hover {
  opacity: 0.92;
}

/* ── FAQ（匹配 FAQPage 结构化数据）── */
.study-faq {
  margin-bottom: 1.5rem;
}

.study-faq-item {
  margin-bottom: 0.5rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.study-faq-item summary {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #e2e8f0;
  cursor: pointer;
  list-style: none;
}

.study-faq-item summary::-webkit-details-marker {
  display: none;
}

.study-faq-item p {
  margin: 0;
  padding: 0 1rem 0.85rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: #94a3b8;
}

.study-faq-item a {
  color: #34d399;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── 服 panel 转化条 ── */
.study-convert-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.08));
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.study-convert-bar__text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.study-convert-bar__text strong {
  font-size: 0.9375rem;
  color: #ecfdf5;
}

.study-convert-bar__text span {
  font-size: 0.8125rem;
  color: #94a3b8;
}

.study-convert-bar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.study-convert-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
  transition: all 0.2s;
}

.study-convert-btn:hover {
  color: #fff;
  border-color: rgba(16, 185, 129, 0.4);
}

.study-convert-btn--primary {
  color: #ecfdf5;
  background: linear-gradient(135deg, #10b981, #059669);
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.study-convert-btn--primary:hover {
  color: #fff;
}