/* ===== 預載入動畫：品牌 Logo 脈衝 + 進度條（載入完成後淡出） ===== */
        #preloader{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;background:var(--bg-secondary);transition:opacity .55s ease,visibility .55s ease}
        #preloader.done{opacity:0;visibility:hidden;pointer-events:none}
        /* 聊天機器人 */
        .chat-fab{position:fixed;right:22px;bottom:22px;z-index:950;width:58px;height:58px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.28);cursor:pointer;border:none;font-size:1.4rem;transition:transform var(--transition-fast)}
        .chat-fab:hover{transform:scale(1.08)}
        .chat-fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--accent);opacity:0;animation:chat-ring 2s ease-out infinite}
        @keyframes chat-ring{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.7);opacity:0}}
        .chat-window{position:fixed;right:22px;bottom:92px;z-index:949;width:350px;max-width:calc(100vw - 32px);height:460px;max-height:calc(100vh - 150px);background:var(--bg-card);border:1px solid var(--border-light);border-radius:18px;box-shadow:0 16px 48px rgba(0,0,0,.18);display:flex;flex-direction:column;overflow:hidden;opacity:0;pointer-events:none;transform:translateY(12px);transition:all var(--transition-medium)}
        .chat-window.open{opacity:1;pointer-events:all;transform:translateY(0)}
        .chat-header{background:var(--accent);color:#fff;padding:13px 16px;display:flex;align-items:center;gap:10px;flex-shrink:0}
        .chat-header .chat-avatar{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:1.05rem;flex-shrink:0}
        .chat-header .chat-hd-txt{display:flex;flex-direction:column;line-height:1.3;flex:1;min-width:0}
        .chat-header strong{font-size:.88rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .chat-status{display:flex;align-items:center;gap:5px;font-size:.68rem;opacity:.92;margin-top:1px}
        .chat-status i{width:7px;height:7px;border-radius:50%;background:#7CFC9B;box-shadow:0 0 6px rgba(124,252,155,.8)}
        .chat-status i.off{background:#ff9d6b;box-shadow:0 0 6px rgba(255,157,107,.8)}
        .chat-close{background:none;border:none;color:#fff;opacity:.85;cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:8px}
        .chat-close:hover{opacity:1;background:rgba(255,255,255,.15)}
        .chat-close svg{width:16px;height:16px}
        .chat-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--bg-secondary)}
        .chat-msg{max-width:88%;padding:9px 13px;border-radius:14px;font-size:.8rem;line-height:1.6;white-space:pre-wrap;word-break:break-word}
        .chat-msg.bot{background:var(--bg-card);border:1px solid var(--border-light);color:var(--text-primary);align-self:flex-start;border-bottom-left-radius:4px}
        .chat-msg.user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
        .chat-typing{display:flex;gap:4px;align-self:flex-start;padding:11px 15px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:14px;border-bottom-left-radius:4px}
        .chat-typing span{width:6px;height:6px;border-radius:50%;background:var(--text-muted);animation:chat-typing-dot 1.1s infinite}
        .chat-typing span:nth-child(2){animation-delay:.15s}
        .chat-typing span:nth-child(3){animation-delay:.3s}
        @keyframes chat-typing-dot{0%,60%,100%{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
        .chat-quick{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px;background:var(--bg-secondary);flex-shrink:0}
        .chat-quick button{background:var(--bg-card);border:1px solid var(--border-light);color:var(--text-primary);font-size:.72rem;padding:5px 10px;border-radius:16px;cursor:pointer;transition:all var(--transition-fast);max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .chat-quick button:hover{border-color:var(--accent);color:var(--accent)}
        .chat-quick .chat-callback-btn{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
        .chat-quick .chat-callback-btn:hover{opacity:.9}
        .chat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border-light);background:var(--bg-card);flex-shrink:0}
        .chat-input input{flex:1;min-width:0;padding:9px 13px;border:1.5px solid var(--input-border);border-radius:20px;background:var(--input-bg);color:var(--text-primary);font-size:.8rem;outline:none;font-family:var(--font-sans)}
        .chat-input input:focus{border-color:var(--accent)}
        .chat-input button{background:var(--accent);color:#fff;border:none;border-radius:50%;width:36px;height:36px;cursor:pointer;flex-shrink:0;font-size:.95rem;display:flex;align-items:center;justify-content:center}
        .chat-input button svg{width:16px;height:16px}
        .chat-callback-form{background:var(--bg-card);border:1px solid var(--border-light);border-radius:14px;padding:12px;display:flex;flex-direction:column;gap:8px;align-self:flex-start;max-width:88%}
        .cf-field{display:flex;flex-direction:column;gap:4px}
        .cf-field label{font-size:.7rem;font-weight:600;color:var(--text-primary)}
        .cf-field input,.cf-field textarea{padding:7px 10px;border:1.5px solid var(--input-border);border-radius:10px;background:var(--input-bg);color:var(--text-primary);font-size:.78rem;outline:none;font-family:var(--font-sans)}
        .cf-field input:focus,.cf-field textarea:focus{border-color:var(--accent)}
        .cf-submit{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:8px 12px;font-size:.76rem;font-weight:600;cursor:pointer}
        .cf-submit:hover{opacity:.9}
        .cf-note{font-size:.66rem;color:var(--text-muted)}
        @media(max-width:820px){.chat-fab{width:50px;height:50px;right:16px;bottom:16px;font-size:1.2rem}.chat-fab svg{width:24px;height:24px}.chat-window{right:12px;bottom:78px;left:12px;width:auto;max-width:none;height:min(460px,70vh)}}
        /* 询盘承诺条 */
        .promise-bar{display:flex;flex-wrap:wrap;gap:10px 24px;margin-bottom:20px;padding:12px 16px;background:linear-gradient(135deg,rgba(245,158,11,.08),rgba(249,115,22,.06));border:1px solid rgba(245,158,11,.35);border-radius:12px}
        .promise-item{display:flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:var(--text-primary)}
        .promise-item span{font-size:1.05rem}
        /* 表单 select */
        .form-group select{width:100%;padding:11px 16px;border:1.5px solid var(--input-border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text-primary);font-size:.85rem;font-family:var(--font-sans);cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23a8b3c2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:10px}
        .form-group select option{background:var(--bg-tertiary);color:var(--text-primary)}
        /* FAQ 手风琴 */
        .faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
        .faq-item{background:var(--bg-card);border:1px solid var(--border-light);border-radius:14px;overflow:hidden;transition:border-color var(--transition-fast)}
        .faq-item.open{border-color:var(--accent)}
        .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:17px 20px;background:none;border:none;cursor:pointer;color:var(--text-primary);font-size:.9rem;font-weight:600;text-align:left;font-family:var(--font-sans)}
        .faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--bg-tertiary);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;transition:transform var(--transition-fast)}
        .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff}
        .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 20px}
        .faq-item.open .faq-a{max-height:280px;padding:0 20px 18px}
        .faq-a p{font-size:.82rem;color:var(--text-secondary);line-height:1.7;margin:0}
        #preloader-ring{position:relative;width:104px;height:104px;display:flex;align-items:center;justify-content:center}
        #preloader-ring::before,#preloader-ring::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--accent);opacity:0;animation:gp-ring 2.2s ease-out infinite}
        #preloader-ring::after{animation-delay:1.1s}
        @keyframes gp-ring{0%{transform:scale(.72);opacity:.85}100%{transform:scale(1.7);opacity:0}}
        #preloader-logo{height:62px;width:auto;object-fit:contain;border-radius:12px;animation:gp-pulse 1.6s ease-in-out infinite}
        @keyframes gp-pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.09);opacity:.82}}
        #preloader-brand{display:flex;flex-direction:column;align-items:center;line-height:1.2}
        #preloader-brand strong{font-family:var(--font-brand);font-size:1.05rem;font-weight:700;color:var(--text-primary);letter-spacing:.03em}
        #preloader-brand span{font-size:.55rem;font-weight:600;color:var(--accent);letter-spacing:4px;text-transform:uppercase}
        #preloader-bar-wrap{width:184px;height:3px;border-radius:3px;background:var(--bg-tertiary);overflow:hidden}
        #preloader-bar{height:100%;width:0%;border-radius:3px;background:var(--accent);transition:width .12s ease}
        @media(prefers-reduced-motion:reduce){#preloader-logo,#preloader-ring::before,#preloader-ring::after{animation:none}}
        :root{--bg-primary:#f7f8fc;--bg-secondary:#fff;--bg-tertiary:#f0f2f7;--bg-card:#fff;--bg-gradient-1:radial-gradient(ellipse at 10% 20%,rgba(232,134,46,.06) 0%,transparent 60%),radial-gradient(ellipse at 90% 80%,rgba(59,130,196,.1) 0%,transparent 60%);--bg-hero:linear-gradient(140deg,#0a1428 0%,#152d4a 35%,#0d1f3c 65%,#0a1830 100%);--text-primary:#16192c;--text-secondary:#4a5068;--text-tertiary:#7a8098;--text-on-dark:#dce2f0;--accent:#e8862e;--accent-hover:#d4741e;--accent-secondary:#3b82c4;--accent-glow:rgba(232,134,46,.3);--border-color:#e2e6ef;--border-light:#eef1f8;--shadow-sm:0 1px 3px rgba(0,0,0,.05);--shadow-md:0 8px 30px rgba(0,0,0,.07);--shadow-lg:0 20px 60px rgba(0,0,0,.12);--shadow-xl:0 30px 80px rgba(0,0,0,.18);--nav-bg:rgba(255,255,255,.88);--nav-border:rgba(0,0,0,.06);--footer-bg:#0a1428;--footer-text:#8a93b0;--input-bg:#fff;--input-border:#d5d9e8;--tag-bg:#f0f2f7;--tag-text:#4a5068;--filter-active:#16192c;--filter-active-text:#fff;--client-logo-bg:#f5f6fa;--client-logo-border:#e5e8f0;--modal-bg:rgba(10,15,30,.7);--transition-fast:.25s cubic-bezier(.4,0,.2,1);--transition-medium:.4s cubic-bezier(.4,0,.2,1);--radius-sm:10px;--radius-md:18px;--radius-lg:28px;--font-sans:'Inter','Noto Sans TC','Noto Sans SC',sans-serif;--font-display:'Space Grotesk','Inter',sans-serif;--font-brand:'Playfair Display',Georgia,serif;--max-width:1320px}
        [data-theme="dark"]{--bg-primary:#080c1a;--bg-secondary:#0d1225;--bg-tertiary:#161c35;--bg-card:#11172e;--bg-gradient-1:radial-gradient(ellipse at 10% 20%,rgba(232,134,46,.14) 0%,transparent 60%),radial-gradient(ellipse at 90% 80%,rgba(59,130,196,.18) 0%,transparent 60%);--bg-hero:linear-gradient(140deg,#060c18 0%,#0f1f38 35%,#0a1830 65%,#060d1a 100%);--text-primary:#e8ecf5;--text-secondary:#b0b8d0;--text-tertiary:#7a85a5;--text-on-dark:#b8c4e0;--accent:#f0963e;--accent-hover:#ffa854;--accent-secondary:#5ba0d9;--accent-glow:rgba(240,150,62,.4);--border-color:#2a3350;--border-light:#1e2745;--shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow-md:0 8px 30px rgba(0,0,0,.4);--shadow-lg:0 20px 60px rgba(0,0,0,.55);--shadow-xl:0 30px 80px rgba(0,0,0,.7);--nav-bg:rgba(8,12,26,.88);--nav-border:rgba(255,255,255,.06);--footer-bg:#060c18;--footer-text:#6b7a95;--input-bg:#161c35;--input-border:#2a3350;--tag-bg:#1e2745;--tag-text:#b0b8d0;--filter-active:#f0963e;--filter-active-text:#080c1a;--client-logo-bg:#fff;--client-logo-border:#e5e8f0;--modal-bg:rgba(0,0,0,.8)}
        *{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background-color:var(--bg-primary);background-image:var(--bg-gradient-1);background-attachment:fixed;color:var(--text-primary);line-height:1.65;transition:background-color var(--transition-medium),color var(--transition-medium);overflow-x:hidden;-webkit-font-smoothing:antialiased}.container{max-width:var(--max-width);margin:0 auto;padding:0 28px;position:relative;z-index:1}.global-particles{position:fixed;top:0;left:0;right:0;bottom:0;z-index:0;pointer-events:none;overflow:hidden}.global-particle{position:absolute;border-radius:50%;background:rgba(232,134,46,.15);animation:globalFloat 12s ease-in-out infinite;box-shadow:0 0 20px rgba(232,134,46,.2)}@keyframes globalFloat{0%,100%{transform:translateY(0) translateX(0) scale(1);opacity:.4}25%{transform:translateY(-50px) translateX(30px) scale(1.3);opacity:.7}50%{transform:translateY(-20px) translateX(-20px) scale(.9);opacity:.5}75%{transform:translateY(-70px) translateX(40px) scale(1.1);opacity:.65}}
        .navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--nav-bg);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border-bottom:1px solid var(--nav-border);height:70px;display:flex;align-items:center;transition:all var(--transition-medium)}.navbar.scrolled{box-shadow:0 8px 40px rgba(0,0,0,.1);height:60px}.nav-container{display:flex;align-items:center;justify-content:space-between;width:100%;gap:10px}.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;cursor:pointer;flex-shrink:0}.nav-logo-img{height:44px;width:auto;object-fit:contain;border-radius:8px;transition:all var(--transition-fast)}.nav-logo:hover .nav-logo-img{transform:scale(1.05)}.nav-logo-text{display:flex;flex-direction:column;line-height:1.15}.nav-logo-text strong{font-family:var(--font-brand);font-size:1.15rem;font-weight:700;color:var(--text-primary);letter-spacing:.02em;white-space:nowrap}.nav-logo-text span{font-size:.55rem;font-weight:600;color:var(--accent);letter-spacing:3px;text-transform:uppercase;white-space:nowrap;font-family:var(--font-sans)}.nav-links{display:flex;align-items:center;gap:2px;list-style:none;flex-shrink:1;min-width:0}.nav-links li a{display:block;padding:6px 10px;text-decoration:none;color:var(--text-secondary);font-weight:500;font-size:.75rem;border-radius:50px;transition:all var(--transition-fast);cursor:pointer;white-space:nowrap}.nav-links li a:hover{color:var(--text-primary);background:var(--bg-tertiary)}.nav-links li a.active{color:var(--accent);background:var(--accent-glow)}.nav-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.lang-switcher{flex-shrink:0}.lang-select{padding:6px 28px 6px 12px;border:1px solid var(--border-color);background-color:var(--bg-tertiary);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23a8b3c2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;background-size:10px;color:var(--text-primary);border-radius:50px;font-size:.72rem;font-weight:700;cursor:pointer;font-family:var(--font-sans);appearance:none;-webkit-appearance:none;-moz-appearance:none;outline:none;transition:all var(--transition-fast)}.lang-select:hover,.lang-select:focus{border-color:var(--accent)}.lang-select option{background:var(--bg-tertiary);color:var(--text-primary)}.theme-toggle{width:34px;height:34px;border:1px solid var(--border-color);background:var(--bg-secondary);border-radius:50%;cursor:pointer;font-size:.95rem;transition:all var(--transition-fast);color:var(--text-secondary);flex-shrink:0;display:flex;align-items:center;justify-content:center}.theme-toggle:hover{border-color:var(--accent);color:var(--accent);transform:rotate(20deg)}.mobile-menu-btn{display:none;width:34px;height:34px;border:1px solid var(--border-color);background:var(--bg-secondary);border-radius:var(--radius-sm);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:3px;flex-shrink:0}.mobile-menu-btn span{display:block;width:16px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-fast)}.mobile-menu-btn.active span:nth-child(1){transform:translateY(5px) rotate(45deg)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}.mobile-menu{display:none;position:fixed;top:70px;left:0;right:0;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:12px 20px;z-index:999;flex-direction:column;gap:2px;opacity:0;pointer-events:none;transition:all var(--transition-medium);box-shadow:var(--shadow-lg);max-height:calc(100vh - 70px);overflow-y:auto}.mobile-menu.open{opacity:1;pointer-events:all}.mobile-menu a{padding:10px 14px;text-decoration:none;color:var(--text-secondary);font-weight:500;border-radius:var(--radius-sm);transition:all var(--transition-fast);font-size:.82rem}.mobile-menu a:hover{background:var(--bg-tertiary);color:var(--text-primary)}
        .hero{position:relative;min-height:100vh;display:flex;align-items:center;background:var(--bg-hero);padding:110px 0 70px;overflow:hidden}.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:1;animation:gridMove 20s linear infinite}@keyframes gridMove{0%{background-position:0 0}100%{background-position:40px 40px}}.hero-glow-1{position:absolute;width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 65%);top:-250px;right:-200px;animation:glowPulse 6s ease-in-out infinite;pointer-events:none;z-index:2}.hero-glow-2{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,196,.3) 0%,transparent 65%);bottom:-200px;left:-150px;animation:glowPulse 8s ease-in-out infinite 1.5s;pointer-events:none;z-index:2}@keyframes glowPulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.85;transform:scale(1.12)}}.hero-content{position:relative;z-index:3;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.hero-text{display:flex;flex-direction:column;gap:20px;animation:fadeInUp .8s ease-out both}@keyframes fadeInUp{from{opacity:0;transform:translateY(35px)}to{opacity:1;transform:translateY(0)}}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;background:rgba(232,134,46,.15);border:1px solid rgba(232,134,46,.3);border-radius:50px;font-size:.68rem;font-weight:700;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;width:fit-content}.hero-badge::before{content:'';width:7px;height:7px;background:var(--accent);border-radius:50%;animation:blinkDot 2s ease-in-out infinite}@keyframes blinkDot{0%,100%{opacity:1}50%{opacity:.2}}.hero-title{font-family:var(--font-display);font-size:clamp(2.3rem,5vw,3.8rem);font-weight:800;line-height:1.12;color:#fff;letter-spacing:-.04em}.hero-title .highlight{background:linear-gradient(135deg,#f5b06a 0%,var(--accent) 40%,#ffcc80 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1rem;color:var(--text-on-dark);line-height:1.75;max-width:500px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:50px;font-weight:600;font-size:.85rem;cursor:pointer;text-decoration:none;transition:all var(--transition-fast);border:none;font-family:var(--font-sans);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--accent),#f5a04a);color:#fff;box-shadow:0 6px 24px rgba(232,134,46,.4)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 36px rgba(232,134,46,.55)}.btn-secondary{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.3);backdrop-filter:blur(8px)}.btn-secondary:hover{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.1);transform:translateY(-3px)}.hero-stats{display:flex;gap:30px;margin-top:12px;flex-wrap:wrap}.hero-stat strong{font-size:1.7rem;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2}.hero-stat span{font-size:.7rem;color:var(--text-on-dark);opacity:.6;letter-spacing:.04em}.hero-service-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;animation:fadeInUp .7s ease-out .45s both}.hero-service-tag{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.25);border-radius:50px;font-size:.8rem;font-weight:700;color:#fff;letter-spacing:.05em;backdrop-filter:blur(12px);transition:all var(--transition-fast);cursor:pointer;box-shadow:0 0 20px rgba(232,134,46,.15)}.hero-service-tag:hover{background:rgba(232,134,46,.25);border-color:var(--accent);color:var(--accent);transform:translateY(-3px);box-shadow:0 0 30px rgba(232,134,46,.4)}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:380px;perspective:1000px;animation:fadeInUp .9s ease-out .2s both}.cube-wrapper{position:relative;width:260px;height:260px;transform-style:preserve-3d;animation:cubeRotate 20s linear infinite;cursor:pointer}@keyframes cubeRotate{0%{transform:rotateX(-15deg) rotateY(0deg)}25%{transform:rotateX(-10deg) rotateY(90deg)}50%{transform:rotateX(-20deg) rotateY(180deg)}75%{transform:rotateX(-5deg) rotateY(270deg)}100%{transform:rotateX(-15deg) rotateY(360deg)}}.cube-face{position:absolute;width:260px;height:260px;border:2.5px solid rgba(232,134,46,.7);background:rgba(255,255,255,.03);border-radius:10px;box-shadow:0 0 40px rgba(232,134,46,.25),inset 0 0 60px rgba(255,255,255,.04);transition:all var(--transition-medium);display:flex;align-items:center;justify-content:center}.cube-face:hover{border-color:var(--accent);box-shadow:0 0 60px rgba(232,134,46,.45),inset 0 0 80px rgba(255,255,255,.06)}.cube-face-front{transform:translateZ(130px)}.cube-face-back{transform:rotateY(180deg) translateZ(130px)}.cube-face-right{transform:rotateY(90deg) translateZ(130px)}.cube-face-left{transform:rotateY(-90deg) translateZ(130px)}.cube-face-top{transform:rotateX(90deg) translateZ(130px);height:260px}.cube-face-bottom{transform:rotateX(-90deg) translateZ(130px);height:260px}.cube-brand-text{font-family:var(--font-brand);font-weight:700;font-size:1.4rem;color:rgba(255,255,255,.85);letter-spacing:.06em;text-shadow:0 0 20px rgba(232,134,46,.6);pointer-events:none}.cube-brand-sub{font-size:.5rem;font-weight:600;color:rgba(255,255,255,.5);letter-spacing:.2em;text-transform:uppercase;pointer-events:none;font-family:var(--font-sans)}.cube-face-front .cube-brand-text{font-size:1.8rem}.cube-face-back .cube-brand-text{font-size:1.4rem}.cube-face-right .cube-brand-text,.cube-face-left .cube-brand-text{font-size:1.2rem}.cube-face-top .cube-brand-text,.cube-face-bottom .cube-brand-text{font-size:1rem}.cube-inner-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100px;height:100px;background:radial-gradient(circle,rgba(232,134,46,.6) 0%,rgba(232,134,46,.1) 50%,transparent 70%);border-radius:50%;pointer-events:none;animation:innerGlow 3s ease-in-out infinite}@keyframes innerGlow{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.5}50%{transform:translate(-50%,-50%) scale(1.3);opacity:.9}}.cube-reflection{position:absolute;bottom:-25px;left:50%;transform:translateX(-50%);width:180px;height:45px;background:radial-gradient(ellipse,rgba(232,134,46,.35) 0%,transparent 70%);border-radius:50%;filter:blur(18px);pointer-events:none}.hero-floating-tags{position:absolute;top:0;left:0;right:0;bottom:0;pointer-events:none;z-index:5}.floating-tag{position:absolute;padding:5px 10px;background:rgba(255,255,255,.08);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:50px;font-size:.6rem;font-weight:600;color:#fff;letter-spacing:.06em;animation:floatTag 6s ease-in-out infinite;white-space:nowrap}.floating-tag:nth-child(1){top:5%;left:0%;color:#f5b06a;border-color:rgba(245,176,106,.4)}.floating-tag:nth-child(2){top:20%;right:0%;animation-delay:1.5s;color:#5ba0d9;border-color:rgba(91,160,217,.4)}.floating-tag:nth-child(3){bottom:15%;left:0%;animation-delay:3s;color:#8ac4a0;border-color:rgba(138,196,160,.4)}.floating-tag:nth-child(4){bottom:8%;right:2%;animation-delay:4.5s;color:#d4a0c0;border-color:rgba(212,160,192,.4)}@keyframes floatTag{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
        .section{padding:90px 0;position:relative}.section-alt{background:var(--bg-secondary);border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light)}.section-header{text-align:center;margin-bottom:50px}.section-tag{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;background:var(--accent-glow);padding:6px 14px;border-radius:50px}.section-title{font-family:var(--font-display);font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:14px}.section-description{max-width:560px;margin:0 auto;color:var(--text-secondary);font-size:.9rem;line-height:1.7}
        .scope-modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-bottom:40px}.mode-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:32px 28px;transition:all var(--transition-medium);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.mode-card::after{content:'';position:absolute;top:0;right:0;width:80px;height:80px;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);border-radius:50%;pointer-events:none}.mode-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--accent)}.mode-card .mode-icon{font-size:2.2rem;margin-bottom:16px}.mode-card h3{font-size:1.3rem;font-weight:800;margin-bottom:12px;color:var(--accent)}.mode-card p{font-size:.9rem;color:var(--text-secondary);margin-bottom:16px}.mode-card ul{list-style:none}.mode-card ul li{font-size:.82rem;color:var(--text-secondary);padding:4px 0;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:6px}.mode-card ul li::before{content:'✓';color:var(--accent);font-weight:800}
        .scope-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}.scope-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:24px 18px;box-shadow:var(--shadow-sm);transition:all var(--transition-fast);cursor:pointer;text-align:center;position:relative;overflow:hidden}.scope-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(145deg,rgba(232,134,46,.05) 0%,transparent 40%);pointer-events:none}.scope-card:hover{border-color:var(--accent);box-shadow:0 0 30px rgba(232,134,46,.3);transform:translateY(-5px)}.scope-card .scope-step{font-size:1.6rem;font-weight:800;color:var(--accent);font-family:var(--font-display);margin-bottom:8px}.scope-card h4{font-size:.9rem;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.scope-card p{font-size:.78rem;color:var(--text-tertiary);line-height:1.5}
        .products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.product-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-medium);cursor:pointer;box-shadow:var(--shadow-sm)}.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.product-image{width:100%;aspect-ratio:4/3;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.product-card:hover .product-image img{transform:scale(1.08)}.product-body{padding:16px 20px}.product-name{font-weight:700;font-size:.9rem;margin-bottom:4px}.product-desc{font-size:.75rem;color:var(--text-tertiary)}
        .case-filters{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:36px}.filter-btn{padding:8px 18px;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);border-radius:50px;cursor:pointer;font-weight:500;font-size:.75rem;transition:all var(--transition-fast)}.filter-btn.active{background:var(--filter-active);color:var(--filter-active-text);border-color:var(--filter-active)}.cases-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}.case-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-medium);cursor:pointer;box-shadow:var(--shadow-sm)}.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.case-visual{width:100%;aspect-ratio:4/3;overflow:hidden}.case-visual-bg{width:100%;height:100%;background-size:cover;background-position:center;transition:transform var(--transition-slow)}.case-card:hover .case-visual-bg{transform:scale(1.08)}.case-info{padding:18px 22px 22px}.case-tag{display:inline-block;padding:3px 10px;font-size:.62rem;font-weight:700;border-radius:50px;background:var(--tag-bg);color:var(--tag-text);margin-bottom:8px}.case-info h3{font-size:.95rem;font-weight:700;margin-bottom:4px}.case-info p{color:var(--text-tertiary);font-size:.78rem}
        /* ===== Clients 样式：使用 Flex 固定宽度 ===== */
        .clients-grid{
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .client-item{
            flex: 0 0 150px;            /* 固定宽度 150px，所有格子统一 */
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .client-logo{
            width: 100%;
            aspect-ratio: 1.2;           /* 统一高宽比，高度由宽度决定 */
            background: var(--client-logo-bg);
            border: 1px solid var(--client-logo-border);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10px;
            transition: all var(--transition-medium);
            filter: grayscale(.9);
            opacity: .8;
            overflow: hidden;            /* 防止内容溢出 */
        }
        .client-logo:hover{
            filter: grayscale(0);
            opacity: 1;
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .client-logo img{
            width: 100%;
            height: 100%;
            object-fit: contain;         /* 保持完整，可能留白但容器尺寸不变 */
            display: block;
        }
        .client-name{
            font-size: .75rem;            /* 调大文字（原 0.65rem） */
            font-weight: 600;
            color: var(--text-secondary);
            line-height: 1.3;
            text-align: center;
            flex-shrink: 0;
        }
        /* ===== 结束 ===== */
        .about-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}.about-visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:1;position:relative}.about-visual-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center}.about-visual-badge{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(255,255,255,.1);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);padding:28px 36px;text-align:center}.about-visual-badge strong{display:block;font-family:var(--font-brand);font-size:2.4rem;font-weight:700;color:#fff}
        .contact-wrapper{display:grid;grid-template-columns:0.8fr 1.2fr;gap:40px;max-width:960px;margin:0 auto}.contact-info-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm)}.form-group{margin-bottom:16px}.form-group input,.form-group textarea{width:100%;padding:11px 16px;border:1.5px solid var(--input-border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text-primary);font-size:.85rem;font-family:var(--font-sans)}.form-status{display:none;margin-top:14px;padding:11px 14px;border-radius:10px;font-size:.8rem;font-weight:600;line-height:1.5}.form-status.success{display:block;background:rgba(52,199,89,.1);color:#34c759;border:1px solid rgba(52,199,89,.35)}.form-status.error{display:block;background:rgba(214,69,69,.1);color:#e05a5a;border:1px solid rgba(214,69,69,.4)}
        .footer{background:var(--footer-bg);color:var(--footer-text);padding:60px 0 28px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:36px}.footer h4{color:#fff;font-size:.75rem;font-weight:700;margin-bottom:14px;letter-spacing:.08em;text-transform:uppercase}.footer-links{list-style:none;display:flex;flex-direction:column;gap:7px}.footer-links a{color:var(--footer-text);text-decoration:none;font-size:.78rem;transition:all var(--transition-fast)}.footer-links a:hover{color:#fff;padding-left:5px}.social-text-links{display:flex;flex-direction:column;gap:7px}.social-text-links a{color:var(--footer-text);text-decoration:none;font-size:.78rem;transition:all var(--transition-fast)}.social-text-links a:hover{color:#fff;padding-left:5px}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.72rem}
        .modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--modal-bg);z-index:2000;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px)}.modal-overlay.open{display:flex}.modal{background:var(--bg-secondary);border-radius:var(--radius-lg);max-width:560px;width:100%;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow-xl);border:1px solid var(--border-color);animation:modalIn .3s ease-out}@keyframes modalIn{from{opacity:0;transform:translateY(25px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-content{padding:28px}.modal-close{float:right;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--text-tertiary)}.modal-close:hover{color:var(--accent)}.modal h2{font-family:var(--font-display);font-size:1.2rem;font-weight:800;margin-bottom:12px}.modal p{margin-bottom:10px;color:var(--text-secondary);font-size:.85rem}.modal ul{list-style:none}.modal ul li{padding:7px 0;border-bottom:1px solid var(--border-light);font-size:.8rem;color:var(--text-secondary);display:flex;align-items:flex-start;gap:8px}.modal ul li::before{content:'✓';color:var(--accent);font-weight:800;flex-shrink:0}.modal-image{width:100%;max-height:200px;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:12px}
        @media(max-width:1100px){.nav-links{display:none}.mobile-menu-btn{display:flex}.mobile-menu{display:flex}}
        @media(max-width:1024px){.hero-content{grid-template-columns:1fr;gap:40px;text-align:center}.hero-subtitle{margin:0 auto}.hero-actions{justify-content:center}.hero-stats{justify-content:center}.hero-badge{margin:0 auto}.hero-service-tags{justify-content:center}.about-wrapper{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero-visual{min-height:300px}.cube-wrapper{width:220px;height:220px}.cube-face{width:220px;height:220px}.cube-face-front{transform:translateZ(110px)}.cube-face-back{transform:rotateY(180deg) translateZ(110px)}.cube-face-right{transform:rotateY(90deg) translateZ(110px)}.cube-face-left{transform:rotateY(-90deg) translateZ(110px)}.cube-face-top{transform:rotateX(90deg) translateZ(110px);height:220px}.cube-face-bottom{transform:rotateX(-90deg) translateZ(110px);height:220px}.cube-brand-text{font-size:1.1rem}.cube-face-front .cube-brand-text{font-size:1.4rem}}
        @media(max-width:768px){.nav-logo-text strong{font-size:1rem}.nav-logo-text span{font-size:.5rem}.nav-logo-img{height:36px}.lang-select{padding:4px 24px 4px 8px;font-size:.62rem;background-size:8px;background-position:right 9px center}.theme-toggle{width:32px;height:32px}.hero{padding:90px 0 50px}.hero-title{font-size:1.9rem}.hero-visual{min-height:240px}.cube-wrapper{width:160px;height:160px}.cube-face{width:160px;height:160px}.cube-face-front{transform:translateZ(80px)}.cube-face-back{transform:rotateY(180deg) translateZ(80px)}.cube-face-right{transform:rotateY(90deg) translateZ(80px)}.cube-face-left{transform:rotateY(-90deg) translateZ(80px)}.cube-face-top{transform:rotateX(90deg) translateZ(80px);height:160px}.cube-face-bottom{transform:rotateX(-90deg) translateZ(80px);height:160px}.cube-brand-text{font-size:.85rem}.cube-face-front .cube-brand-text{font-size:1.05rem}.section{padding:60px 0}.products-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.cases-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}.clients-grid{gap:12px}.client-item{flex: 0 0 130px}.mobile-menu{top:60px}.navbar{height:60px}.scope-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.mode-card{padding:24px 20px}.contact-wrapper{grid-template-columns:1fr}}
        /* ===== 阿拉伯文：佈局統一 LTR（不鏡像、位置與其他語言一致），僅文字方向 RTL ===== */
        html[lang="ar"] :is(h1,h2,h3,h4,h5,h6,p,span,a,button,label,li,td,th,small,.product-name,.product-desc,.case-card h3,.case-card p,.scope-card h4,.scope-card p,.mode-card h4,.mode-card p,.case-modal h3,.case-modal p,.product-modal h3,.product-modal p){direction:rtl;unicode-bidi:embed}
        /* 卡片類長文字：兩端對齊，消除右對齊造成的前方大空位 */
        html[lang="ar"] .product-name,html[lang="ar"] .product-desc,html[lang="ar"] .case-card h3,html[lang="ar"] .case-card p,html[lang="ar"] .scope-card h4,html[lang="ar"] .scope-card p,html[lang="ar"] .mode-card h4,html[lang="ar"] .mode-card p,html[lang="ar"] .case-modal h3,html[lang="ar"] .case-modal p,html[lang="ar"] .product-modal h3,html[lang="ar"] .product-modal p{text-align:justify}
        /* 表單與下拉選單：文字 RTL、輸入框靠左對齊與其他語言一致 */
        html[lang="ar"] .contact-form input,html[lang="ar"] .contact-form textarea{direction:rtl;text-align:left}
        html[lang="ar"] .lang-select,html[lang="ar"] .lang-select option{direction:rtl}
        /* Logo：與其他語言一致，icon 在左、公司名稱在右（不被 RTL 鏡像） */
        html[lang="ar"] .nav-container .nav-logo,html[lang="ar"] .footer .nav-logo{direction:ltr;unicode-bidi:normal}
        html[lang="ar"] .nav-container .nav-logo-text strong,html[lang="ar"] .nav-container .nav-logo-text span,html[lang="ar"] .footer .nav-logo-text strong,html[lang="ar"] .footer .nav-logo-text span{direction:ltr;unicode-bidi:normal;text-align:left}

/* ===== 多页架构补充 ===== */
.page-hero{padding:118px 0 34px;background:var(--bg-secondary);border-bottom:1px solid var(--border-light)}
.section-more{text-align:center;margin-top:26px}
.section-more .btn{display:inline-flex}
#cta .container{max-width:1200px}

/* ===== 多页架构 V21：子页去掉重复页头后，首个 section 顶部避让固定 navbar ===== */
.page-first{padding-top:118px}

/* ===== 行业动态 V26 ===== */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:10px}
.news-card{display:flex;flex-direction:column;gap:10px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:22px;transition:transform var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}
.news-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-md)}
.news-card-tag{align-self:flex-start;font-size:.68rem;font-weight:700;color:var(--accent);background:var(--accent-glow);padding:4px 12px;border-radius:50px;letter-spacing:.5px}
.news-card-title{font-size:1rem;font-weight:700;line-height:1.45;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:4.35em}
.news-card-date{font-size:.72rem;color:var(--text-tertiary);font-weight:600;letter-spacing:.4px}
.news-card-desc{font-size:.82rem;color:var(--text-secondary);line-height:1.7;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.news-card-link{margin-top:auto;font-size:.8rem;font-weight:700;color:var(--accent);text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:gap var(--transition-fast)}
.news-card-link:hover{gap:10px}
.news-card-link::after{content:"";width:14px;height:14px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 6l6 6-6 6' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 6l6 6-6 6' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
@media(max-width:1200px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.news-grid{grid-template-columns:1fr}}