/**
 * Leary Theme - 案例页（leary_case / archive / taxonomy）现代重制版
 *
 * 命名空间：case-*
 * 集成在 main.css 之后加载
 * 设计语言与 service.css 保持一致
 */

/* ================== 通用令牌（与 svc- 对齐） ================== */
:root {
    --case-blue: #5b8def;
    --case-blue-deep: #3b82f6;
    --case-navy: #0a0e27;
    --case-navy-mid: #1a1f4d;
    --case-cyan: #00d4ff;
    --case-text: #0a0e27;
    --case-text-2: #4b5563;
    --case-text-3: #6b7280;
    --case-bg: #fff;
    --case-bg-soft: #f8faff;
    --case-border: #e5e7eb;
    --case-shadow: 0 8px 24px rgba(91, 141, 239, 0.08);
    --case-shadow-hover: 0 12px 36px rgba(91, 141, 239, 0.16);
}

.case-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 24px;
}
.case-section-head-slim {
    margin-bottom: 36px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.case-eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--case-blue);
    text-transform: uppercase;
}
.case-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--case-navy);
    margin: 0;
    line-height: 1.2;
    position: relative;
    padding-left: 16px;
}
.case-title::before {
    content: '';
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 4px;
    background: linear-gradient(180deg, var(--case-blue), var(--case-blue-deep));
    border-radius: 2px;
}
.case-text-gradient {
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================== 按钮 ================== */
.case-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
    border: 1px solid transparent;
    line-height: 1.2;
    white-space: nowrap;
}
.case-btn-primary {
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    color: #fff;
    box-shadow: 0 8px 20px rgba(91, 141, 239, 0.25);
}
.case-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(91, 141, 239, 0.35);
    color: #fff;
}
.case-btn-ghost {
    background: #fff;
    color: var(--case-navy);
    border-color: #d1d5db;
}
.case-btn-ghost:hover {
    background: #f3f4f6;
    border-color: var(--case-navy);
    color: var(--case-navy);
}

/* ================== Chip ================== */
.case-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(91, 141, 239, 0.08);
    color: var(--case-blue);
    border: 1px solid rgba(91, 141, 239, 0.18);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
    text-decoration: none;
    transition: all 0.2s ease;
}
.case-chip i { font-size: 11px; }
.case-chip:hover {
    background: rgba(91, 141, 239, 0.16);
    color: var(--case-blue-deep);
}
.case-chip-accent {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #b45309;
    border-color: #fcd34d;
}
.case-chip-accent i { color: #f59e0b; }
.case-chip-accent:hover {
    background: linear-gradient(135deg, #fde68a 0%, #fcd34d 100%);
    color: #92400e;
}
.case-chip.is-active {
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    color: #fff;
    border-color: transparent;
}

/* ================== Hero 紧凑型 ================== */
.case-hero {
    position: relative;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f4d 50%, #1a2a5e 100%);
    color: #fff;
    padding: 96px 24px 80px;
    overflow: hidden;
    isolation: isolate;
}
.case-hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(91, 141, 239, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
    z-index: -1;
}
.case-hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.case-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
}
.case-hero-left {
    display: flex;
    align-items: center;
    gap: 28px;
    max-width: 880px;
}
.case-hero-icon {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #fff;
    box-shadow: 0 12px 32px rgba(91, 141, 239, 0.4);
    position: relative;
}
.case-hero-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.4), rgba(59, 130, 246, 0.4));
    z-index: -1;
    filter: blur(12px);
    opacity: 0.6;
}
.case-hero-meta { flex: 1; min-width: 0; }
.case-hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 12px;
    color: #fff;
    background: linear-gradient(135deg, #fff 0%, #b8c5e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.case-hero-sub {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 20px;
}
.case-hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}
.case-hero-chips .case-chip {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.9);
}
.case-hero-chips .case-chip i { color: var(--case-cyan); }
.case-hero-chips .case-chip-accent {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(251, 191, 36, 0.2) 100%);
    border-color: rgba(245, 158, 11, 0.4);
    color: #fbbf24;
}
.case-hero-chips .case-chip-accent i { color: #fbbf24; }
.case-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.case-hero-actions .case-btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
    color: #fff;
}
.case-hero-actions .case-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* ================== Sticky 锚点导航 ================== */
.case-anchor-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--case-border);
}
.case-anchor-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}
.case-anchor-inner::-webkit-scrollbar { display: none; }
.case-anchor-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 14px 16px;
    color: var(--case-text-2);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}
.case-anchor-item i { font-size: 12px; }
.case-anchor-item:hover { color: var(--case-blue); }
.case-anchor-item.is-active {
    color: var(--case-blue);
    border-bottom-color: var(--case-blue);
}

/* ================== 主体布局：左主区 + 粘性右栏（与 svc- 一致） ================== */
.case-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 48px;
    align-items: start;
}
.case-main { min-width: 0; }

/* ================== 项目故事（挑战-方案-成果） ================== */
.case-story-timeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    position: relative;
}
.case-story-step {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--case-bg-soft);
    border: 1px solid var(--case-border);
    border-radius: 16px;
    transition: all 0.25s ease;
}
.case-story-step:hover {
    background: #fff;
    box-shadow: var(--case-shadow);
    transform: translateY(-2px);
}
.case-story-step-marker {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    color: #fff;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 6px 16px rgba(91, 141, 239, 0.25);
}
.case-story-step-num {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    opacity: 0.85;
    margin-top: 2px;
}
.case-story-step-content { flex: 1; min-width: 0; }
.case-story-step-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--case-navy);
    margin: 0 0 8px;
}
.case-story-step-content p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--case-text-2);
    margin: 0;
    white-space: pre-line;
}

/* ================== 关键指标 ================== */
.case-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.case-metric-card {
    position: relative;
    padding: 28px 24px;
    background: linear-gradient(135deg, #eef2ff 0%, #eff6ff 100%);
    border: 1px solid #dbeafe;
    border-radius: 16px;
    text-align: center;
    transition: all 0.25s ease;
    overflow: hidden;
    animation: caseFadeUp 0.5s ease backwards;
    animation-delay: calc(var(--i, 0) * 0.06s);
}
.case-metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--case-blue), var(--case-blue-deep));
}
.case-metric-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--case-shadow-hover);
}
.case-metric-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    background: #fff;
    color: var(--case-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}
.case-metric-value {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    color: var(--case-navy);
    margin-bottom: 6px;
}
.case-metric-num {
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.case-metric-unit {
    font-size: 14px;
    font-weight: 600;
    color: var(--case-blue);
}
.case-metric-label {
    font-size: 13px;
    color: var(--case-text-2);
    font-weight: 500;
}

/* ================== 项目详情（富文本） ================== */
.case-prose {
    font-size: 15px;
    line-height: 1.8;
    color: var(--case-text-2);
}
.case-prose h2, .case-prose h3, .case-prose h4 {
    color: var(--case-navy);
    margin: 1.8em 0 0.6em;
    font-weight: 700;
    line-height: 1.3;
}
.case-prose h2 { font-size: 26px; padding-left: 12px; border-left: 4px solid var(--case-blue); }
.case-prose h3 { font-size: 20px; }
.case-prose p { margin: 0 0 1em; }
.case-prose a { color: var(--case-blue); text-decoration: none; }
.case-prose a:hover { color: var(--case-blue-deep); text-decoration: underline; }
.case-prose img { max-width: 100%; height: auto; border-radius: 12px; margin: 1em 0; }
.case-prose ul, .case-prose ol { padding-left: 1.5em; margin: 0 0 1em; }
.case-prose li { margin-bottom: 0.4em; }
.case-prose blockquote {
    margin: 1.5em 0;
    padding: 16px 20px;
    background: var(--case-bg-soft);
    border-left: 4px solid var(--case-blue);
    border-radius: 8px;
    color: var(--case-text-2);
}
.case-prose code {
    background: #f3f4f6;
    color: #d63384;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'Consolas', 'Monaco', monospace;
}
.case-prose pre {
    background: var(--case-navy);
    color: #f3f4f6;
    padding: 16px 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1em 0;
}
.case-prose pre code { background: transparent; color: inherit; padding: 0; }
.case-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
}
.case-prose table th, .case-prose table td {
    padding: 10px 14px;
    border: 1px solid var(--case-border);
    text-align: left;
}
.case-prose table th {
    background: var(--case-bg-soft);
    font-weight: 600;
    color: var(--case-navy);
}

/* ================== 项目画廊 ================== */
.case-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.case-gallery-item {
    position: relative;
    display: block;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--case-bg-soft);
    transition: all 0.3s ease;
    animation: caseFadeUp 0.5s ease backwards;
    animation-delay: calc(var(--i, 0) * 0.05s);
}
.case-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.case-gallery-item:hover {
    box-shadow: var(--case-shadow-hover);
    transform: translateY(-3px);
}
.case-gallery-item:hover img { transform: scale(1.05); }
.case-gallery-zoom {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.7) 0%, rgba(59, 130, 246, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
    opacity: 0;
    transition: opacity 0.25s ease;
}
.case-gallery-item:hover .case-gallery-zoom { opacity: 1; }

/* ================== 技术栈 ================== */
.case-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.case-tech-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid var(--case-border);
    color: var(--case-navy);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}
.case-tech-pill i { color: var(--case-blue); font-size: 12px; }
.case-tech-pill:hover {
    border-color: var(--case-blue);
    background: var(--case-bg-soft);
    color: var(--case-blue-deep);
    transform: translateY(-1px);
}

/* ================== CTA ================== */
.case-cta {
    background: linear-gradient(135deg, #eef2ff 0%, #eff6ff 100%);
    padding: 64px 24px;
    text-align: center;
}
.case-cta-inner {
    max-width: 720px;
    margin: 0 auto;
}
.case-cta-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--case-navy);
    margin: 12px 0 8px;
}
.case-cta-sub {
    font-size: 15px;
    color: var(--case-text-2);
    margin: 0 0 24px;
    line-height: 1.6;
}

/* ================== 上下篇大图导航 ================== */
.case-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--case-border);
}
.case-nav-item {
    position: relative;
    min-height: 180px;
    display: flex;
    align-items: center;
    padding: 24px 32px;
    color: #fff;
    text-decoration: none;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    transition: transform 0.3s ease;
}
.case-nav-item:hover { transform: scale(1.01); }
.case-nav-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.88) 0%, rgba(26, 31, 77, 0.78) 100%);
    transition: background 0.3s ease;
}
.case-nav-item:hover .case-nav-overlay {
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.85) 0%, rgba(59, 130, 246, 0.78) 100%);
}
.case-nav-content {
    position: relative;
    z-index: 1;
    max-width: 80%;
}
.case-nav-content span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 6px;
}
.case-nav-content strong {
    display: block;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    color: #fff;
}
.case-nav-next { justify-content: flex-end; text-align: right; }
.case-nav-next .case-nav-content { max-width: 80%; }
.case-nav span { display: block; }

/* ================== 统计带（列表页） ================== */
.case-stats {
    background: #fff;
    border-bottom: 1px solid var(--case-border);
    padding: 48px 24px;
}
.case-stats-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 32px;
    flex-wrap: wrap;
}
.case-stat-item { text-align: center; }
.case-stat-value {
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}
.case-stat-label {
    font-size: 14px;
    color: var(--case-text-2);
    font-weight: 500;
}
.case-stat-divider {
    width: 1px;
    height: 48px;
    background: linear-gradient(180deg, transparent, var(--case-border), transparent);
}

/* ================== 筛选条（列表页） ================== */
.case-list-section { padding: 64px 24px; max-width: 1200px; margin: 0 auto; }
.case-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
    padding: 20px 24px;
    background: var(--case-bg-soft);
    border: 1px solid var(--case-border);
    border-radius: 14px;
}
.case-filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.case-filter-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--case-text-2);
    margin-right: 4px;
}
.case-filter-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* ================== 案例卡片网格 ================== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}
.case-card {
    background: #fff;
    border: 1px solid var(--case-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    animation: caseFadeUp 0.5s ease backwards;
    animation-delay: calc(var(--i, 0) * 0.05s);
}
.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--case-shadow-hover);
    border-color: rgba(91, 141, 239, 0.3);
}
.case-card.is-featured {
    border-color: #fbbf24;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.12);
}
.case-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.case-card-cover {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--case-bg-soft);
    overflow: hidden;
}
.case-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.case-card:hover .case-card-cover img { transform: scale(1.05); }
.case-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}
.case-card-tag {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: inline-block;
    padding: 4px 10px;
    background: rgba(10, 14, 39, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    border-radius: 6px;
}
.case-card-body { padding: 20px 22px 22px; }
.case-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--case-navy);
    margin: 0 0 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-card-desc {
    font-size: 13px;
    line-height: 1.6;
    color: var(--case-text-2);
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-card-info {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 12px;
    color: var(--case-text-3);
}
.case-info-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.case-info-item i { color: var(--case-blue); font-size: 11px; }
.case-card-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding-top: 12px;
    border-top: 1px dashed var(--case-border);
}
.case-card-tech {
    padding: 2px 8px;
    background: var(--case-bg-soft);
    color: var(--case-blue);
    font-size: 11px;
    font-weight: 500;
    border-radius: 4px;
}

/* ================== 空状态 ================== */
.case-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 24px;
    color: var(--case-text-3);
}
.case-empty i {
    font-size: 48px;
    color: var(--case-border);
    margin-bottom: 12px;
}
.case-empty p { font-size: 14px; margin: 0; }

/* ================== 分页 ================== */
.case-pagination {
    margin-top: 48px;
    text-align: center;
}
.case-pagination ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: inline-flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}
.case-pagination li a,
.case-pagination li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    background: #fff;
    border: 1px solid var(--case-border);
    color: var(--case-text-2);
    text-decoration: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}
.case-pagination li a:hover {
    background: var(--case-bg-soft);
    border-color: var(--case-blue);
    color: var(--case-blue);
}
.case-pagination li.is-active span,
.case-pagination li span.current {
    background: linear-gradient(135deg, var(--case-blue) 0%, var(--case-blue-deep) 100%);
    color: #fff;
    border-color: transparent;
}

/* ================== 动画 ================== */
@keyframes caseFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ================== 粘性右侧多卡片堆叠（与 svc- 对齐） ================== */
.case-floating-stack {
    position: sticky;
    top: 100px;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}
.case-floating-stack > .case-floating-card { margin-top: 0; }
.case-floating-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.case-floating-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 14px;
    border-bottom: 1px dashed #e5e7eb;
}
.case-floating-icon {
    width: 42px; height: 42px;
    flex-shrink: 0;
    background: linear-gradient(135deg, #5b8def 0%, #3b82f6 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}
.case-floating-label {
    font-size: 10px;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2px;
}
.case-floating-name {
    font-size: 15px;
    font-weight: 700;
    color: #0a0e27;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-floating-desc {
    font-size: 13px;
    line-height: 1.6;
    color: #6b7280;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-floating-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.case-floating-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
}
.case-floating-list li > i {
    color: #5b8def;
    margin-top: 2px;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}
.case-floating-list-label {
    color: #6b7280;
    margin-right: 4px;
    flex-shrink: 0;
}
.case-floating-list-value {
    color: #0a0e27;
    font-weight: 600;
    word-break: break-word;
}
.case-btn-block { width: 100%; }
.case-btn-sm { padding: 9px 16px; font-size: 13px; }

/* 浮动卡：品牌信任（数据 + 资质） */
.case-trust-card {
    padding: 18px;
    background: linear-gradient(135deg, #fff 0%, #f8faff 100%);
    border: 1px solid #e0e7ff;
}
.case-trust-title {
    font-size: 12px;
    font-weight: 700;
    color: #5b8def;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.case-trust-title::before {
    content: '';
    width: 3px;
    height: 12px;
    background: linear-gradient(180deg, #5b8def, #3b82f6);
    border-radius: 2px;
}
.case-trust-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px dashed #e0e7ff;
}
.case-trust-stat { text-align: center; }
.case-trust-num {
    font-size: 20px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #5b8def 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}
.case-trust-num span {
    font-size: 12px;
    font-weight: 600;
    margin-left: 1px;
}
.case-trust-label {
    font-size: 11px;
    color: #6b7280;
    line-height: 1.3;
}
.case-trust-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.case-trust-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 8px;
    background: #fff;
    border: 1px solid #e0e7ff;
    border-radius: 8px;
    font-size: 11px;
    color: #4b5563;
    line-height: 1.3;
}
.case-trust-badge i { color: #5b8def; font-size: 11px; flex-shrink: 0; }

/* ================== 响应式（移动端） ================== */
@media (max-width: 1024px) {
    .case-layout {
        grid-template-columns: 1fr;
    }
    .case-floating-cta { display: none; }
    .case-anchor-item span { display: none; }
    .case-anchor-item { padding: 14px 14px; }
}

@media (max-width: 768px) {
    .case-hero { padding: 80px 20px 56px; }
    .case-hero-left { flex-direction: column; align-items: flex-start; gap: 20px; }
    .case-hero-icon { width: 64px; height: 64px; font-size: 24px; border-radius: 16px; }
    .case-hero-title { font-size: 32px; }
    .case-hero-sub { font-size: 14px; }
    .case-hero-actions { justify-content: center; width: 100%; }
    .case-hero-actions .case-btn { flex: 1; }
    .case-hero-meta { width: 100%; }
    .case-hero-chips { justify-content: flex-start; }
    .case-section { padding: 48px 20px; }
    .case-title { font-size: 26px; }
    .case-layout { padding: 0 20px; }
    .case-story-step { flex-direction: column; gap: 16px; padding: 20px; }
    .case-story-step-marker { width: 56px; height: 56px; font-size: 18px; }
    .case-metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .case-metric-num { font-size: 28px; }
    .case-metric-card { padding: 20px 16px; }
    .case-gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .case-grid { grid-template-columns: 1fr; gap: 16px; }
    .case-filters { padding: 16px; gap: 12px; }
    .case-stats-inner { gap: 20px; }
    .case-stat-value { font-size: 32px; }
    .case-stat-divider { display: none; }
    .case-nav { grid-template-columns: 1fr; }
    .case-nav-item { min-height: 140px; padding: 20px; }
    .case-nav-next .case-nav-content { max-width: 80%; }
    .case-cta { padding: 48px 20px; }
    .case-cta-title { font-size: 26px; }
}

@media (max-width: 480px) {
    .case-hero-title { font-size: 26px; }
    .case-metrics-grid { grid-template-columns: 1fr; }
    .case-gallery { grid-template-columns: 1fr; }
}