.international[data-v-0658bcb2],.light-theme .international[data-v-0658bcb2]{font-size:18px}.el-dropdown-link[data-v-0658bcb2]{cursor:pointer}.el-dropdown-menu--medium[data-v-0658bcb2]{padding:0 0}.el-dropdown-menu--medium .el-dropdown-menu__item[data-v-0658bcb2]{padding:0 10px 0 5px}.icon_box[data-v-0658bcb2]{display:inline-block;width:20px}:root{--bg-dark:#fff;--bg-darker:#fff;--bg-light:#2b3153;--text-primary:#fff;--text-secondary:#e5e4e4;--border-color:#c4c4c4;--title-text:#4b4b4b}[data-v-4a89af37]:root{--primary-color:#007bff;--secondary-color:#6c757d;--success-color:#28a745;--danger-color:#dc3545;--warning-color:#ffc107;--info-color:#17a2b8;--border-radius:8px;--box-shadow:0 4px 6px rgba(0,0,0,0.3);--transition:all 0.4s cubic-bezier(0.4,0,0.2,1);--hover-transition:all 0.3s cubic-bezier(0.4,0,0.2,1);--transform-transition:transform 0.4s cubic-bezier(0.4,0,0.2,1)}.home-page[data-v-4a89af37]{min-height:100vh;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;overflow-x:hidden;background-color:var(--bg-dark);color:var(--text-primary)}.section-container[data-v-4a89af37]{max-width:120rem;margin:0 auto;padding:0 2rem}.section-title[data-v-4a89af37]{font-size:2.8rem;font-weight:700;color:var(--title-text);text-align:center;margin-bottom:1.4rem}.section-subtitle[data-v-4a89af37]{font-size:1.4rem;color:var(--text-secondary);text-align:center;margin-bottom:3rem}.header[data-v-4a89af37]{position:fixed;top:0;left:0;width:100%;background-color:var(--bg-darker);color:#000;-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);z-index:1000;border-bottom:1px solid var(--border-color)}.header-container[data-v-4a89af37]{max-width:120rem;margin:0 auto;padding:.7rem 1rem;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.header-container[data-v-4a89af37],.logo[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.logo[data-v-4a89af37]{gap:1rem}.logo img[data-v-4a89af37]{height:5.6rem}.logo span[data-v-4a89af37]{font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;font-size:2.4rem}.nav-menu .nav-list[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;gap:2.8rem;list-style:none;margin:0;padding:0}.nav-menu .nav-list a[data-v-4a89af37]{text-decoration:none;color:var(--text-secondary);font-weight:500;-webkit-transition:var(--transition);transition:var(--transition);position:relative;font-size:1.4rem}.nav-menu .nav-list a[data-v-4a89af37]:after{content:"";position:absolute;bottom:-.5rem;left:0;width:0;height:.2rem;background-color:var(--primary-color);-webkit-transition:var(--transition);transition:var(--transition)}.nav-menu .nav-list a[data-v-4a89af37]:hover:after{width:100%}.nav-menu .nav-list a.active[data-v-4a89af37]{color:var(--primary-color)}.nav-menu-item[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;gap:1.4rem;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.nav-menu-item button[data-v-4a89af37]{padding:.5rem 1.5rem;border-radius:var(--border-radius);font-weight:500;-webkit-transition:var(--transition);transition:var(--transition);cursor:pointer;font-size:1.4rem}.nav-menu-item .login-btn[data-v-4a89af37]{background-color:transparent;border:.2rem solid var(--primary-color);color:var(--primary-color)}.nav-menu-item .login-btn[data-v-4a89af37]:hover{background-color:var(--primary-color);color:var(--bg-light)}.nav-menu-item .register-btn[data-v-4a89af37]{background-color:#0062cc;border:none;color:var(--text-primary)}.header-actions[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;gap:1.4rem}.header-actions button[data-v-4a89af37]{padding:.5rem 1.5rem;border-radius:var(--border-radius);font-weight:500;-webkit-transition:var(--transition);transition:var(--transition);cursor:pointer;font-size:1.4rem}.header-actions .login-btn[data-v-4a89af37]{background-color:transparent;border:none;color:var(--bg-light)}.header-actions .login-btn[data-v-4a89af37]:hover{background-color:var(--primary-color);color:var(--bg-light)}.header-actions .register-btn[data-v-4a89af37]{background-color:#0062cc;border:none;color:var(--text-primary)}.mobile-menu-btn[data-v-4a89af37]{display:none;background:none;border:none;cursor:pointer}.mobile-menu-btn span[data-v-4a89af37]{display:block;width:2.5rem;height:.3rem;background-color:#616161;margin:.5rem 0;-webkit-transition:var(--transition);transition:var(--transition)}.mobile-menu-btn.active span[data-v-4a89af37]:first-child{-webkit-transform:translateY(.8rem) rotate(45deg);transform:translateY(.8rem) rotate(45deg)}.mobile-menu-btn.active span[data-v-4a89af37]:nth-child(2){opacity:0}.mobile-menu-btn.active span[data-v-4a89af37]:nth-child(3){-webkit-transform:translateY(-.8rem) rotate(-45deg);transform:translateY(-.8rem) rotate(-45deg)}.hero[data-v-4a89af37]{margin-top:7rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;min-height:45rem;background-image:url(../../static/img/bc_header.bce2466a.png);background-position:50%;background-repeat:no-repeat;background-size:cover;position:relative;overflow:hidden}.hero[data-v-4a89af37]:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:-webkit-gradient(linear,left top,right top,from(#000028),to(hsla(0,0%,88.2%,0)));background:linear-gradient(90deg,#000028,hsla(0,0%,88.2%,0))}.hero-content[data-v-4a89af37]{z-index:1}.hero-content h1[data-v-4a89af37]{font-size:3rem;line-height:3.625rem;font-family:SiemensRoman,Arial,sans-serif;font-weight:400;color:var(--text-primary);margin-bottom:1.5rem}.hero-content p[data-v-4a89af37]{font-size:1.4rem;line-height:2rem;color:var(--text-secondary);margin-bottom:1.5rem}.hero-image[data-v-4a89af37]{-webkit-box-flex:1;-ms-flex:1;flex:1;position:relative;height:100%}.hero-image img[data-v-4a89af37]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.cta-button[data-v-4a89af37]{font-size:1.4rem;color:var(--text-primary);border:none;border-radius:var(--border-radius);cursor:pointer;-webkit-transition:var(--transition);transition:var(--transition);background-color:#0062cc;margin:3px;padding:.5rem 1.5rem;font-weight:500}.features[data-v-4a89af37]{padding:5rem 0;background-color:var(--bg-darker)}.bc_61[data-v-4a89af37]{background-color:#616161}.features-grid[data-v-4a89af37]{display:grid;grid-template-columns:repeat(3,1fr);gap:2.8rem}.feature-card[data-v-4a89af37]{padding:2.8rem;background-color:var(--bg-light);border-radius:var(--border-radius);-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);text-align:center;-webkit-transition:var(--transform-transition),-webkit-box-shadow .4s ease;transition:var(--transform-transition),-webkit-box-shadow .4s ease;transition:var(--transform-transition),box-shadow .4s ease;transition:var(--transform-transition),box-shadow .4s ease,-webkit-box-shadow .4s ease;border:.1rem solid var(--border-color)}.feature-card[data-v-4a89af37]:hover{-webkit-transform:translateY(-1rem) scale(1.02);transform:translateY(-1rem) scale(1.02);-webkit-box-shadow:0 1rem 2rem rgba(0,0,0,.1);box-shadow:0 1rem 2rem rgba(0,0,0,.1)}.feature-card .feature-icon[data-v-4a89af37]{font-size:2.5rem;color:var(--primary-color);margin-bottom:1.5rem}.feature-card h3[data-v-4a89af37]{font-size:2.5rem;margin-bottom:1.4rem;color:var(--text-primary)}.feature-card p[data-v-4a89af37]{font-size:1.4rem;color:var(--text-secondary)}.services[data-v-4a89af37]{padding:5rem 0;background-color:var(--bg-dark)}.services-grid[data-v-4a89af37]{display:grid;grid-template-columns:repeat(3,1fr);gap:2.8rem}.service-card[data-v-4a89af37]{background-color:var(--bg-light);border-radius:var(--border-radius);overflow:hidden;-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);-webkit-transition:var(--transform-transition),-webkit-box-shadow .4s ease;transition:var(--transform-transition),-webkit-box-shadow .4s ease;transition:var(--transform-transition),box-shadow .4s ease;transition:var(--transform-transition),box-shadow .4s ease,-webkit-box-shadow .4s ease;border:.1rem solid var(--border-color)}.service-card[data-v-4a89af37]:hover{-webkit-transform:translateY(-.5rem) scale(1.02);transform:translateY(-.5rem) scale(1.02);-webkit-box-shadow:0 1rem 2rem rgba(0,0,0,.1);box-shadow:0 1rem 2rem rgba(0,0,0,.1)}.service-card img[data-v-4a89af37]{width:100%;height:20rem;-o-object-fit:cover;object-fit:cover}.service-card h3[data-v-4a89af37]{padding:1.8rem 1.8rem 1rem;font-size:2rem;color:var(--text-primary)}.service-card p[data-v-4a89af37]{padding:0 1.5rem 1.5rem;color:var(--text-secondary);font-size:1.4rem}.testimonials[data-v-4a89af37]{padding:5rem 0;background-color:var(--bg-darker)}.testimonials-grid[data-v-4a89af37]{display:grid;grid-template-columns:repeat(3,1fr);gap:2.8rem}.testimonial-card[data-v-4a89af37]{background-color:var(--bg-light);border-radius:var(--border-radius);-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);-webkit-transition:var(--transform-transition),-webkit-box-shadow .4s ease;transition:var(--transform-transition),-webkit-box-shadow .4s ease;transition:var(--transform-transition),box-shadow .4s ease;transition:var(--transform-transition),box-shadow .4s ease,-webkit-box-shadow .4s ease;border:.1rem solid var(--border-color)}.testimonial-card[data-v-4a89af37]:hover{-webkit-transform:translateY(-.5rem) scale(1.02);transform:translateY(-.5rem) scale(1.02);-webkit-box-shadow:0 1rem 2rem rgba(0,0,0,.1);box-shadow:0 1rem 2rem rgba(0,0,0,.1)}.testimonial-card .testimonial-text[data-v-4a89af37]{font-weight:600;font-size:1.5rem;color:var(--text-secondary);padding:1.4rem}.testimonial-card .testimonial-author[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-orient:vertical;-webkit-box-direction:reverse;-ms-flex-direction:column-reverse;flex-direction:column-reverse;gap:1.4rem}.testimonial-card .testimonial-author img[data-v-4a89af37]{width:100%;height:20rem;border-radius:2%}.testimonial-card .testimonial-author h4[data-v-4a89af37]{margin:0;font-size:1.4rem;color:var(--text-primary)}.testimonial-card .testimonial-author p[data-v-4a89af37]{margin:0;color:var(--text-secondary);font-size:1rem}.contact[data-v-4a89af37]{padding:5rem 0;background-color:var(--bg-dark)}.contact-grid[data-v-4a89af37]{display:grid;grid-template-columns:1fr 1fr;gap:4rem}.contact-form .form-group[data-v-4a89af37]{margin-bottom:1.5rem}.contact-form .form-group label[data-v-4a89af37]{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.contact-form .form-group input[data-v-4a89af37],.contact-form .form-group textarea[data-v-4a89af37]{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:var(--border-radius);-webkit-transition:var(--transition);transition:var(--transition);background-color:var(--bg-light);color:var(--text-primary)}.contact-form .form-group 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.form-group textarea[data-v-4a89af37]{height:150px;resize:vertical}.contact-form .submit-btn[data-v-4a89af37]{width:100%;padding:1.4rem;background-color:var(--primary-color);color:var(--text-primary);border:none;border-radius:var(--border-radius);font-weight:500;cursor:pointer;-webkit-transition:var(--transition);transition:var(--transition);position:relative;overflow:hidden}.contact-form .submit-btn[data-v-4a89af37]:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(45deg,transparent,hsla(0,0%,100%,.2),transparent);-webkit-transform:translateX(100%);transform:translateX(100%);-webkit-transition:-webkit-transform .6s ease;transition:-webkit-transform .6s ease;transition:transform .6s ease;transition:transform .6s ease,-webkit-transform .6s ease}.contact-form .submit-btn[data-v-4a89af37]:hover:after{-webkit-transform:translateX(-100%);transform:translateX(-100%)}.contact-info h3[data-v-4a89af37]{font-size:1.5rem;margin-bottom:2.8rem;color:var(--text-primary)}.contact-info .info-item[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:1.4rem;margin-bottom:1.5rem}.contact-info .info-item i[data-v-4a89af37]{font-size:1.5rem;color:var(--primary-color)}.contact-info .info-item p[data-v-4a89af37]{margin:0;font-size:1.4rem;color:var(--text-secondary)}.contact-info .social-links[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;gap:1.5rem;margin-top:2.8rem}.contact-info .social-links a[data-v-4a89af37]{color:var(--primary-color);font-size:1.5rem;-webkit-transition:var(--transition);transition:var(--transition)}.contact-info .social-links a[data-v-4a89af37]:hover{color:#0062cc}.footer[data-v-4a89af37]{background-color:#000;padding:4rem 0 2.8rem;border-top:.1rem solid var(--border-color)}.footer-content[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;gap:3rem}.footer-logo[data-v-4a89af37]{width:33rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:.8rem}.footer-logo img[data-v-4a89af37]{height:5.6rem}.footer-logo span[data-v-4a89af37]{font-size:2.5rem;color:var(--text-primary);font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif}.footer-links[data-v-4a89af37]{display:grid;grid-template-columns:repeat(3,2fr);gap:1.4rem}.icon-group ul[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;gap:1.4rem;margin-top:1.5rem}.icon-group i[data-v-4a89af37]{font-size:1.6rem;color:var(--primary-color)}.link-group h4[data-v-4a89af37]{color:var(--text-primary);font-size:1.8rem;margin-bottom:2.4rem}.link-group ul[data-v-4a89af37]{list-style:none;padding:0;margin:0}.link-group ul li[data-v-4a89af37]{margin-bottom:1.2rem;font-size:1.4rem}.link-group ul li a[data-v-4a89af37],.link-group ul li i[data-v-4a89af37]{color:var(--text-secondary);text-decoration:none;-webkit-transition:var(--transition);transition:var(--transition)}.link-group ul li a[data-v-4a89af37]:hover{color:var(--primary-color)}.link-group ul li i[data-v-4a89af37]{margin-right:.5rem}.social-links[data-v-4a89af37]{display:-webkit-box;display:-ms-flexbox;display:flex;gap:1.5rem;margin-top:1.5rem}.social-links a[data-v-4a89af37]{color:var(--text-secondary);font-size:1.5rem;-webkit-transition:var(--transition);transition:var(--transition)}.social-links a[data-v-4a89af37]:hover{color:var(--primary-color)}.footer-bottom[data-v-4a89af37]{margin-top:3rem;padding-top:2.8rem;padding-left:4rem;padding-right:4rem;border-top:.1rem solid var(--border-color);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline}.footer-bottom a[data-v-4a89af37],.footer-bottom p[data-v-4a89af37]{color:var(--text-secondary);font-size:1.4rem}.footer-bottom a[data-v-4a89af37]{text-decoration:none;-webkit-transition:var(--transition);transition:var(--transition)}.footer-bottom a[data-v-4a89af37]:hover{color:var(--primary-color)}@media (max-width:1200px){.section-container[data-v-4a89af37]{max-width:96rem}}@media (max-width:992px){.features-grid[data-v-4a89af37],.services-grid[data-v-4a89af37],.testimonials-grid[data-v-4a89af37]{grid-template-columns:repeat(2,1fr)}.hero[data-v-4a89af37]{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;text-align:center}.hero-content[data-v-4a89af37]{padding:2.8rem}}@media (max-width:768px){.nav-menu[data-v-4a89af37]{position:fixed;top:8rem;left:0;width:100%;background-color:var(--bg-darker);padding:1.4rem;-webkit-box-shadow:var(--box-shadow);box-shadow:var(--box-shadow);-webkit-transform:translateY(-100%);transform:translateY(-100%);opacity:0;-webkit-transition:opacity .3s ease,-webkit-transform .4s cubic-bezier(.4,0,.2,1);transition:opacity .3s ease,-webkit-transform .4s cubic-bezier(.4,0,.2,1);transition:transform .4s cubic-bezier(.4,0,.2,1),opacity .3s ease;transition:transform .4s cubic-bezier(.4,0,.2,1),opacity .3s ease,-webkit-transform .4s cubic-bezier(.4,0,.2,1)}.nav-menu.active[data-v-4a89af37]{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}.nav-menu .nav-list[data-v-4a89af37]{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;gap:1.4rem}.mobile-menu-btn[data-v-4a89af37]{display:block}.header-actions[data-v-4a89af37]{display:none}.footer-content[data-v-4a89af37]{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;gap:3rem}.footer-links[data-v-4a89af37]{grid-template-columns:1fr}}@media (max-width:576px){.features-grid[data-v-4a89af37],.services-grid[data-v-4a89af37],.testimonials-grid[data-v-4a89af37]{grid-template-columns:1fr}.section-title[data-v-4a89af37]{font-size:2.4rem}.section-subtitle[data-v-4a89af37]{font-size:1.2rem}.hero-content h1[data-v-4a89af37]{font-size:2.4rem}.hero-content p[data-v-4a89af37]{font-size:1.2rem}.footer-bottom[data-v-4a89af37]{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;gap:1.4rem;text-align:center}}