/********************************************案例*********************************************/
/* ======================================== Hero Section ======================================== */
.herocases { align-items: center; background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%); display: flex; justify-content: center; min-height: 60vh; overflow: hidden; position: relative; }
.herocases-bg { inset: 0; position: absolute; z-index: 0; }
.herocases-bg::before { background-image: radial-gradient(circle at 20% 50%, rgba(54, 105, 239, 0.3) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(90, 140, 247, 0.2) 0%, transparent 50%); content: ""; inset: 0; position: absolute; }
.herocases-overlay { background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4) 60%, transparent); inset: 0; position: absolute;}
.herocases-content { margin: 0 auto; max-width: 1280px; padding: 140px 24px 80px; position: relative; text-align: center; width: 100%; z-index: 2; }
.herocases-badge { align-items: center; animation: slideUp 0.8s ease-out 0.2s both; backdrop-filter: blur(8px); background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 24px; display: inline-flex; gap: 8px; margin-bottom: 32px; padding: 8px 16px; }
.herocases-badge span { color: rgba(255, 255, 255, 0.9); font-size: 14px; }
.herocases-title { margin-bottom: 24px; }
.herocases-title h1 { animation: slideUp 0.8s ease-out 0.4s both; color: var(--brand-white); font-size: clamp(36px, 6vw, 56px); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.herocases-description { animation: slideUp 0.8s ease-out 0.6s both; color: rgba(255, 255, 255, 0.7); font-size: 18px; line-height: 1.7; margin: 0 auto; max-width: 700px; }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
/* ======================================== Page Header ======================================== */
.page-header { align-items: center; background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%); display: flex; justify-content: center; min-height: 40vh; overflow: hidden; position: relative; }
.page-header::before { background-image: radial-gradient(circle at 20% 50%, rgba(54, 105, 239, 0.3) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(90, 140, 247, 0.2) 0%, transparent 50%); content: ""; inset: 0; position: absolute; }
.page-header-overlay { background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6)); inset: 0; position: absolute; }
.page-header-content { margin: 0 auto; max-width: 1280px; padding: 140px 24px 80px; position: relative; text-align: center; width: 100%; z-index: 2; }
.breadcrumb { align-items: center; animation: slideUp 0.8s ease-out 0.2s both; color: rgba(255, 255, 255, 0.7); display: flex; font-size: 14px; gap: 8px; justify-content: center; margin-bottom: 24px; }
.breadcrumb a { color: rgba(255, 255, 255, 0.7); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--brand-white); }
.breadcrumb-separator { color: rgba(255, 255, 255, 0.5); }
.breadcrumb-current { color: var(--brand-white); }
.page-title { animation: slideUp 0.8s ease-out 0.4s both; color: var(--brand-white); font-size: clamp(36px, 6vw, 56px); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.page-subtitle { animation: slideUp 0.8s ease-out 0.5s both; color: rgba(255, 255, 255, 0.8); font-size: clamp(18px, 3vw, 24px); font-weight: 300; }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
/* ======================================== Filters Section ======================================== */
.filters-section { background: var(--brand-white); border-bottom: 1px solid var(--brand-gray3); padding: 75px 0 0 0; top: 0; z-index: 100; }
.filters-container { display: flex; flex-direction: column; gap: 20px; }
.filter-group { display: flex; flex-direction: column; gap: 12px; }
.filter-label { align-items: center; color: var(--brand-black); display: flex; font-size: 13px; font-weight: 600; gap: 8px; letter-spacing: 0.05em; text-transform: uppercase; }
.filter-label svg { color: var(--brand-blue); }
.filter-options { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-btn { background: var(--brand-gray2); border: 2px solid transparent;border-radius: 24px; color: var(--brand-gray1); cursor: pointer; font-size: 14px; font-weight: 500; padding: 10px 20px; transition: all var(--transition-normal); }
.filter-btn:hover { background: rgba(54, 105, 239, 0.1); color: var(--brand-blue); }
.filter-btn.active2 { background: var(--brand-blue); border-color: var(--brand-blue); color: var(--brand-white); }
.navbar { background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%); left: 0; padding: 16px 0; position: fixed; right: 0; top: 0; transition: all var(--transition-slow); z-index: 1000; }
.navbar.scrolled { background: linear-gradient(135deg, #FFFFFF 0%, #FFFFFF 50%, #FFFFFF 100%); padding: 8px 0; }
.nav-container { align-items: center; display: flex; justify-content: space-between; margin: 0 auto; max-width: 1200px; padding: 0 24px; transition: all var(--transition-slow); }
.navbar.scrolled .nav-container { backdrop-filter: blur(12px); background: rgba(255, 255, 255, 0.9); border-radius: 50px; box-shadow: var(--shadow-lg); padding: 8px 24px; }
/* ========================================
  Cases Section
  ======================================== */
.cases-section  .cases-section { position: relative; padding: 60px 0 100px; background: var(--brand-white); overflow: hidden; }
.cases-container { position: relative; z-index: 1; }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 60px; }
@media (max-width: 1024px) {
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .cases-grid { grid-template-columns: 1fr; }
}
.case-card { background: var(--brand-white); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-md); transition: all var(--transition-slow); cursor: pointer; }
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.case-image { position: relative; aspect-ratio: 1; overflow: hidden; background: linear-gradient(135deg, #F0F4FF, #E8EEFF); }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: all var(--transition-slow); position: absolute; top: 0; left: 0; }
.case-card:hover .case-image img { transform: scale(1.05); }
.case-info { padding: 24px; }
.case-title { font-size: 18px; font-weight: 700; color: var(--brand-black); margin-bottom: 12px; line-height: 1.4; }
.case-content { font-size: 14px; line-height: 1.7; height:100px;color: var(--brand-gray1); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.case-tag { display: inline-flex; align-items: center; padding: 6px 12px; font-size: 12px; font-weight: 500; color: var(--brand-blue); background: rgba(54, 105, 239, 0.1); border-radius: 16px; transition: all var(--transition-fast); border: 1px solid transparent; }
.case-tag:hover { background: var(--brand-blue); color: var(--brand-white); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.case-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--brand-gray3); font-size: 13px; color: var(--brand-gray1); }
.case-user { font-weight: 500; color: var(--brand-blue); }
.case-card.more-card { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; min-height: 400px; background: linear-gradient(135deg, #F8F9FF 0%, #F0F4FF 100%); border: 2px dashed var(--brand-gray3); }
.case-card.more-card:hover { border-color: var(--brand-blue); background: linear-gradient(135deg, #F0F4FF 0%, #E8EEFF 100%); }
.more-icon { width: 64px; height: 64px; border-radius: 50%; background: var(--brand-white); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; box-shadow: var(--shadow-md); color: var(--brand-blue); }
.case-card.more-card .case-title { font-size: 20px; margin-bottom: 16px; }
.case-card.more-card .case-content { -webkit-line-clamp: unset; max-width: 280px; }
.empty-state { text-align: center; padding: 80px 24px; color: var(--brand-gray1); }
.empty-state.active { display: block; }
.empty-state-icon { width: 80px; height: 80px; margin: 0 auto 24px; color: var(--brand-gray3); }
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 40px; margin-bottom: 40px; flex-wrap: wrap; }
.pagination-btn { min-width: 40px; height: 40px; padding: 0 12px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--brand-gray1); background: var(--brand-white); border: 1px solid var(--brand-gray3); display: inline-flex; align-items: center; justify-content: center; transition: all var(--transition-normal); }
.pagination-btn:hover:not(.ellipsis):not(.active) { color: var(--brand-blue); border-color: var(--brand-blue); background: rgba(54, 105, 239, 0.05); }
.pagination-btn.active { color: var(--brand-white); background: var(--brand-blue); border-color: var(--brand-blue); }
.pagination-btn.ellipsis { cursor: default; border: none; background: transparent; }
.pagination-btn.prev, .pagination-btn.next { padding: 0 16px; gap: 6px; }
.pagination-btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
/* ===== MODAL ===== */
.case-modal-overlay { position: fixed; inset: 0; z-index: 9999; background: rgba(0, 0, 0, 0.6); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; padding: 20px; }
.case-modal-overlay.open { opacity: 1; visibility: visible; }
.case-modal { background: var(--brand-white); border-radius: 16px; width: 100%; max-width: 1100px; max-height: 90vh; display: flex; overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); transform: scale(0.95); transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.case-modal-overlay.open .case-modal { transform: scale(1); }
.modal-gallery { flex: 1; min-width: 0; background: #F5F5F5; display: flex; flex-direction: column; }
.modal-gallery-main { flex: 1; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; min-height: 400px; }
.modal-gallery-track { display: flex; transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); height: 100%; width: 100%; }
.modal-gallery-slide { min-width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-gallery-slide img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 8px; }
.modal-gallery-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; background: rgba(255, 255, 255, 0.9); border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--brand-black); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15); transition: all var(--transition-fast); z-index: 10; -webkit-tap-highlight-color: transparent; }
.modal-gallery-nav:hover { background: var(--brand-white); transform: translateY(-50%) scale(1.1); }
.modal-gallery-nav.prev { left: 16px; }
.modal-gallery-nav.next { right: 16px; }
.modal-gallery-nav:disabled { opacity: 0.3; cursor: not-allowed; transform: translateY(-50%); }
.modal-gallery-dots { display: flex; justify-content: center; gap: 8px; padding: 16px; background: rgba(255, 255, 255, 0.8); flex-shrink: 0; }
.modal-gallery-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-gray3); border: none; cursor: pointer; transition: all var(--transition-fast); padding: 0; -webkit-tap-highlight-color: transparent; }
.modal-gallery-dot.active { background: var(--brand-blue); transform: scale(1.2); }
.modal-gallery-thumbs { display: flex; gap: 8px; padding: 12px 16px; background: rgba(255, 255, 255, 0.9); overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; flex-shrink: 0; }
.modal-gallery-thumbs::-webkit-scrollbar { display: none; }
.modal-gallery-thumb { width: 60px; height: 60px; border-radius: 8px; overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: all var(--transition-fast); flex-shrink: 0; -webkit-tap-highlight-color: transparent; }
.modal-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.modal-gallery-thumb.active { border-color: var(--brand-blue); }
.modal-gallery-thumb:hover { opacity: 0.8; }
.modal-detail { width: 500px; min-width: 500px; padding: 32px; overflow-y: auto; display: flex; flex-direction: column; gap: 20px; background: var(--brand-white); -webkit-overflow-scrolling: touch; }
@media (max-width: 640px) {
    .case-modal-overlay { padding: 0; }
}
.modal-detail::-webkit-scrollbar { width: 6px; }
.modal-detail::-webkit-scrollbar-track { background: transparent; }
.modal-detail::-webkit-scrollbar-thumb { background: var(--brand-gray3); border-radius: 3px; }
.modal-detail-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.modal-detail-title { font-size: 22px; font-weight: 700; color: var(--brand-black); line-height: 1.4; flex: 1; }
.modal-close { width: 36px; height: 36px; border-radius: 50%; background: var(--brand-gray2); border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--brand-gray1); transition: all var(--transition-fast); flex-shrink: 0; -webkit-tap-highlight-color: transparent; }
.modal-close:hover { background: var(--brand-gray3); color: var(--brand-black); }
.modal-detail-meta { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--brand-gray3); }
.modal-detail-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-light)); display: flex; align-items: center; justify-content: center; color: var(--brand-white); font-weight: 600; font-size: 16px; flex-shrink: 0; }
.modal-detail-user { flex: 1; min-width: 0; }
.modal-detail-user-name { font-size: 14px; font-weight: 400; color: var(--brand-black); }
.modal-detail-user-role { font-size: 13px; color: var(--brand-gray1); }
.modal-detail-date { font-size: 13px; color: var(--brand-gray1); flex-shrink: 0; }
.modal-detail-content { font-size: 15px; line-height: 1.8; color: var(--brand-gray1); white-space: pre-line; }
.modal-detail-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.modal-detail-tag { display: inline-flex; align-items: center; padding: 8px 14px; font-size: 13px; font-weight: 500; color: var(--brand-blue); background: rgba(54, 105, 239, 0.08); border-radius: 20px; transition: all var(--transition-fast); }
.modal-detail-tag:hover { background: var(--brand-blue); color: var(--brand-white); }
.modal-detail-stats { display: flex; gap: 24px; padding-top: 16px; border-top: 1px solid var(--brand-gray3); }
.modal-detail-stat { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--brand-gray1); }
.modal-detail-stat svg { color: var(--brand-gray3); flex-shrink: 0; }
/* Tablet */
@media (max-width: 900px) {
    .case-modal { flex-direction: column; max-height: 95vh; max-width: 600px; }
    .modal-gallery { min-height: auto; max-height: none; flex: none; position: relative; }
    .modal-gallery-main { min-height: 280px; height: 40vh; }
    .modal-detail { width: 100%; min-width: unset; padding: 24px; max-height: none; flex: none; overflow-y: visible; }
}
/* Mobile */
@media (max-width: 640px) {
    .case-modal-overlay { padding: 0; align-items: flex-start; }
    .case-modal { border-radius: 0; max-height: 100vh; max-width: 100%; width: 100%; height: 100vh; transform: translateY(100%); transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1); flex-direction: column; overflow-y: auto; }
    .case-modal-overlay.open .case-modal { transform: translateY(0); }
    .modal-gallery { min-height: auto; max-height: none; flex: none; position: relative; }
    .modal-gallery-main { min-height: 280px; height: 45vh; }
    .modal-gallery-slide { padding: 12px; }
    .modal-gallery-nav { width: 36px; height: 36px; }
    .modal-gallery-nav.prev { left: 8px; }
    .modal-gallery-nav.next { right: 8px; }
    .modal-gallery-dots { padding: 10px; position: relative; }
    .modal-gallery-thumbs { padding: 8px 12px; position: relative; }
    .modal-gallery-thumb { width: 50px; height: 50px; }
    .modal-detail { padding: 20px 16px; max-height: none; flex: none; gap: 16px; overflow-y: visible; }
    .modal-detail-title { font-size: 18px; }
    .modal-detail-meta { padding-bottom: 12px; }
    .modal-detail-avatar { width: 40px; height: 40px; font-size: 14px; }
    .modal-detail-content { font-size: 14px; line-height: 1.7; }
    .modal-detail-tags { gap: 6px; }
    .modal-detail-tag { padding: 6px 12px; font-size: 12px; }
    .modal-detail-stats { gap: 16px; padding-top: 12px; }
    .modal-close { width: 32px; height: 32px; }
}
@media (max-width: 380px) {
    .modal-gallery { min-height: auto; max-height: none; }
    .modal-gallery-main { min-height: 240px; height: 42vh; }
    .modal-detail { max-height: none; }
}
@media (max-width: 768px) {
    .filters-section { position: relative; top: 0; padding: 75px 0 20px 0; }
    .filter-options { gap: 8px; }
    .filter-btn { padding: 8px 16px; font-size: 13px; }
    .pagination-btn { min-width: 36px; height: 36px; font-size: 13px; }
    .container { padding: 0 16px; }
    .page-header-content { padding: 100px 16px 60px; }
    .cases-section { padding: 40px 0 60px; }
    .cases-grid { gap: 16px; }
    .case-info { padding: 16px; }
    .case-title { font-size: 16px; }
}