.app-header[data-v-5122fa86]{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:var(--transition-base)}.app-header[data-v-5122fa86]:not(.solid){background:transparent}.app-header.solid[data-v-5122fa86]{background:#fffffffa;box-shadow:0 1px #0000000f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-inner[data-v-5122fa86]{max-width:1280px;margin:0 auto;padding:0 24px;height:var(--header-height);display:flex;align-items:center;justify-content:space-between}.header-logo[data-v-5122fa86]{cursor:pointer;flex-shrink:0}.logo-img[data-v-5122fa86]{height:44px;width:auto;object-fit:contain;transition:var(--transition-base)}.header-nav[data-v-5122fa86]{display:flex;align-items:center;gap:8px}.nav-item-wrap[data-v-5122fa86]{position:relative}.nav-item[data-v-5122fa86]{padding:8px 16px;font-size:15px;font-weight:500;cursor:pointer;transition:var(--transition-base);white-space:nowrap;border-radius:var(--radius-sm)}.app-header:not(.solid) .nav-item[data-v-5122fa86]{color:#ffffffe6}.app-header.solid .nav-item[data-v-5122fa86]{color:var(--color-text-primary)}.nav-item[data-v-5122fa86]:hover{color:var(--color-primary)}.nav-item.active[data-v-5122fa86]{color:var(--color-primary)!important}.nav-dropdown[data-v-5122fa86]{position:absolute;top:100%;left:50%;transform:translate(-50%);min-width:160px;background:#fff;border-radius:var(--radius-base);box-shadow:0 8px 30px #0000001f;padding:8px 0;z-index:1001;margin-top:4px}.dropdown-item[data-v-5122fa86]{display:block;padding:10px 20px;font-size:14px;color:var(--color-text-secondary);cursor:pointer;transition:var(--transition-fast);white-space:nowrap;text-align:center}.dropdown-item[data-v-5122fa86]:hover{color:var(--color-primary);background:var(--color-primary-light)}.dropdown-item.active[data-v-5122fa86]{color:var(--color-primary);font-weight:600}.header-actions[data-v-5122fa86]{display:flex;align-items:center;gap:12px;flex-shrink:0}.lang-btn[data-v-5122fa86]{font-size:14px;font-weight:500;padding:6px 16px;border-radius:var(--radius-base);transition:var(--transition-base)}.app-header:not(.solid) .lang-btn[data-v-5122fa86]{color:#fff;border:1px solid rgba(255,255,255,.4)}.app-header:not(.solid) .lang-btn[data-v-5122fa86]:hover{background:#ffffff26}.app-header.solid .lang-btn[data-v-5122fa86]{color:var(--color-text-primary);border:1px solid var(--color-border)}.app-header.solid .lang-btn[data-v-5122fa86]:hover{color:var(--color-primary);border-color:var(--color-primary)}.menu-toggle[data-v-5122fa86]{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px}.menu-toggle span[data-v-5122fa86]{display:block;width:22px;height:2px;border-radius:2px;transition:var(--transition-base)}.app-header:not(.solid) .menu-toggle span[data-v-5122fa86]{background:#fff}.app-header.solid .menu-toggle span[data-v-5122fa86],.menu-toggle.open span[data-v-5122fa86]{background:var(--color-text-primary)}.menu-toggle.open span[data-v-5122fa86]:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle.open span[data-v-5122fa86]:nth-child(2){opacity:0}.menu-toggle.open span[data-v-5122fa86]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-nav[data-v-5122fa86]{position:fixed;top:var(--header-height);left:0;width:100%;height:calc(100vh - var(--header-height));background:#fff;overflow-y:auto;z-index:999}.mobile-nav-inner[data-v-5122fa86]{padding:24px 24px 48px}.mobile-nav-item[data-v-5122fa86]{border-bottom:1px solid var(--color-border-light)}.mobile-nav-header[data-v-5122fa86]{display:flex;align-items:center;gap:12px;padding:20px 0;cursor:pointer}.mobile-nav-num[data-v-5122fa86]{font-size:14px;font-weight:600;color:var(--color-text-placeholder)}.mobile-nav-header a[data-v-5122fa86]{flex:1;font-size:18px;font-weight:600;color:var(--color-text-primary)}.mobile-nav-arrow[data-v-5122fa86]{font-size:14px;color:var(--color-text-tertiary);transition:transform .3s}.mobile-nav-arrow.open[data-v-5122fa86]{transform:rotate(180deg)}.mobile-nav-subs[data-v-5122fa86]{padding-bottom:16px}.mobile-nav-sub[data-v-5122fa86]{display:block;padding:12px 36px;font-size:15px;color:var(--color-text-secondary);cursor:pointer}.mobile-nav-sub[data-v-5122fa86]:hover{color:var(--color-primary)}.dropdown-enter-active[data-v-5122fa86]{transition:all .25s ease}.dropdown-leave-active[data-v-5122fa86]{transition:all .15s ease}.dropdown-enter-from[data-v-5122fa86]{opacity:0;transform:translate(-50%) translateY(-8px)}.dropdown-leave-to[data-v-5122fa86]{opacity:0;transform:translate(-50%) translateY(-4px)}.mobile-nav-enter-active[data-v-5122fa86],.mobile-nav-leave-active[data-v-5122fa86]{transition:opacity .3s ease}.mobile-nav-enter-from[data-v-5122fa86],.mobile-nav-leave-to[data-v-5122fa86]{opacity:0}.expand-enter-active[data-v-5122fa86],.expand-leave-active[data-v-5122fa86]{transition:all .3s ease;overflow:hidden}.expand-enter-from[data-v-5122fa86],.expand-leave-to[data-v-5122fa86]{opacity:0;max-height:0}.expand-enter-to[data-v-5122fa86],.expand-leave-from[data-v-5122fa86]{max-height:500px}@media (max-width: 1024px){.header-nav[data-v-5122fa86]{display:none}.menu-toggle[data-v-5122fa86]{display:flex}}.app-root[data-v-ff79ac35]{min-height:100vh}.app-main[data-v-ff79ac35]{min-height:calc(100vh - 80px)}.page-enter-active[data-v-ff79ac35],.page-leave-active[data-v-ff79ac35]{transition:opacity .3s ease}.page-enter-from[data-v-ff79ac35],.page-leave-to[data-v-ff79ac35]{opacity:0}:root{--color-primary: #1677FF;--color-primary-hover: #4096FF;--color-primary-active: #0958D9;--color-primary-light: #E6F4FF;--color-text-primary: #1A1A1A;--color-text-secondary: #555555;--color-text-tertiary: #888888;--color-text-placeholder: #BFBFBF;--color-text-inverse: #FFFFFF;--color-bg-base: #FFFFFF;--color-bg-light: #F7F8FA;--color-bg-gray: #F0F2F5;--color-bg-dark: #1A1A1A;--color-border: #E5E6EB;--color-border-light: #F0F1F2;--content-max-width: 1128px;--content-wide-width: 1280px;--header-height: 72px;--radius-sm: 4px;--radius-base: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-card: 0 2px 12px rgba(216, 218, 224, .5);--shadow-hover: 0 8px 24px rgba(0, 79, 213, .12);--shadow-banner: 0 4px 50px rgba(0, 48, 146, .05);--transition-base: all .3s ease;--transition-fast: all .2s ease;--font-zh: "AlibabaPuHuiTi", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-en: "AlibabaSans", "Helvetica Neue", "Arial", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-zh);color:var(--color-text-primary);background:var(--color-bg-base);line-height:1.6;font-size:14px;overflow-x:hidden}a{color:inherit;text-decoration:none;cursor:pointer;transition:var(--transition-base)}ul,ol{list-style:none}img{display:block;max-width:100%;height:auto}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{max-width:var(--content-max-width);margin:0 auto;padding:0 24px}.container-wide{max-width:var(--content-wide-width);margin:0 auto;padding:0 24px}.section{padding:100px 0}.section-gray{background:var(--color-bg-light)}.section-dark{background:var(--color-bg-dark);color:var(--color-text-inverse)}.section-title{font-size:32px;font-weight:600;color:var(--color-text-primary);margin-bottom:16px;line-height:1.4}.section-subtitle{font-size:16px;color:var(--color-text-secondary);margin-bottom:48px;line-height:1.8}.section-header{margin-bottom:56px;text-align:center}.section-header-left{margin-bottom:56px;text-align:left}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 28px;font-size:15px;font-weight:500;border-radius:var(--radius-base);transition:var(--transition-base);white-space:nowrap;cursor:pointer}.btn-primary{background:var(--color-primary);color:var(--color-text-inverse)}.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #1677ff4d}.btn-outline{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary-light)}.btn-text{padding:4px 0;color:var(--color-primary);font-size:14px;font-weight:500}.btn-text:hover{color:var(--color-primary-hover)}.btn-text:after{content:"→";margin-left:4px;transition:transform .3s ease;display:inline-block}.btn-text:hover:after{transform:translate(4px)}.card{background:var(--color-bg-base);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition-base);box-shadow:var(--shadow-card)}.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}.card-image{width:100%;height:220px;object-fit:cover;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.card:hover .card-image img{transform:scale(1.05)}.card-body{padding:24px}.card-title{font-size:18px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}.card-desc{font-size:14px;color:var(--color-text-secondary);line-height:1.8}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.animate-fade-in-up{animation:fadeInUp .6s ease forwards}.animate-fade-in{animation:fadeIn .6s ease forwards}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-bg-gray);border-radius:3px}::-webkit-scrollbar-thumb{background:#c5c8cc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#999}@media (max-width: 1024px){.section{padding:64px 0}.section-title{font-size:28px}}@media (max-width: 768px){.container,.container-wide{padding:0 16px}.section{padding:48px 0}.section-title{font-size:24px}.section-subtitle{font-size:14px;margin-bottom:32px}.section-header{margin-bottom:32px}}