:root{--bg:#FFFFFF;--surface:#F9FAFB;--border:#E5E7EB;--text:#111111;--text-body:#333333;--text-muted:#777777;--text-placeholder:#888888;--brand:#FF5820;--chip-bg:#F3F4F6;--sidebar-w:240px;--content-pad:24px;--mobile-tabbar-h:0px}.mobile-only,.mobile-only-flex{display:none!important}@media (max-width:899px){:root{--sidebar-w:0px;--content-pad:12px;--mobile-tabbar-h:56px}.mobile-only{display:block!important}.mobile-only-flex{display:flex!important}.desktop-only{display:none!important}}.case-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.case-grid-5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}.tpl-grid{display:grid;grid-template-columns:repeat(7,1fr)}@media (max-width:899px){.tpl-grid{display:grid!important;grid-auto-flow:column!important;grid-template-columns:none!important;grid-template-rows:repeat(2,auto)!important;grid-auto-columns:calc(50% - 6px)!important;overflow-x:auto!important;scroll-snap-type:x mandatory;WebkitOverflowScrolling:touch;grid-gap:12px!important;gap:12px!important}.tpl-grid>*{scroll-snap-align:start}.case-grid,.case-grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}.industry-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.industry-world{font-size:13px!important}.industry-sub{font-size:11px!important;line-height:1.5!important}}video.fullscreen-video:-webkit-full-screen{width:100%;height:100%;object-fit:contain;background:#000;position:static;inset:auto;z-index:auto;visibility:visible}video.fullscreen-video:-webkit-full-screen,video.fullscreen-video:fullscreen{width:100%;height:100%;object-fit:contain;background:#000;position:static;inset:auto;z-index:auto;visibility:visible}video.fullscreen-video:-webkit-full-screen::backdrop{background:#000}video.fullscreen-video:fullscreen::-webkit-backdrop{background:#000}video.fullscreen-video:fullscreen::backdrop{background:#000}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--text-body);font-family:PingFang SC,Microsoft YaHei,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:24px;font-weight:700;line-height:1.25;color:var(--text);margin:0 0 8px}h2{font-size:18px;margin:0 0 8px}h2,h3{font-weight:600;line-height:1.3;color:var(--text)}h3{font-size:15px;margin:0 0 6px}button{font:inherit;cursor:pointer;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text-body);padding:8px 16px;transition:background .15s,border-color .15s,color .15s}button:hover:not(:disabled){background:var(--chip-bg)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--brand);border-color:var(--brand);color:#fff}button.primary:hover:not(:disabled){background:#E84D18;border-color:#E84D18}button.primary:disabled{opacity:.5;background:var(--brand);border-color:var(--brand)}input,textarea{font:inherit;line-height:1.6;background:var(--bg);color:var(--text-body);border:1px solid var(--border);border-radius:8px;padding:8px 12px;transition:border-color .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:var(--text-placeholder)}input:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,88,32,.12)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--brand);border-radius:8px;background:var(--brand);color:#fff;font:inherit;font-weight:500;padding:8px 16px;cursor:pointer;transition:background .15s,border-color .15s}.btn-primary:hover:not(:disabled){background:#E84D18;border-color:#E84D18}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text-body);font:inherit;padding:8px 16px;cursor:pointer;transition:background .15s,border-color .15s}.btn-secondary:hover:not(:disabled){background:var(--chip-bg);border-color:#D1D5DB}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.btn-link{border:none;background:none;padding:0;color:var(--brand);font:inherit;font-weight:500;cursor:pointer}.btn-link:hover:not(:disabled){text-decoration:underline}.btn-link:disabled{opacity:.5;cursor:not-allowed}.prompt-input{width:100%;box-sizing:border-box;resize:vertical;background:var(--bg);color:var(--text-body);border:1px solid var(--border);border-radius:8px;padding:12px;font-size:13px;font-family:inherit;line-height:1.6}.prompt-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,88,32,.12)}.chip{display:inline-flex;align-items:center;border:1px solid transparent;border-radius:999px;background:var(--chip-bg);color:var(--text-body);font-size:13px;padding:6px 14px;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s}.chip:hover:not(:disabled){background:#E5E7EB}.chip.active{background:var(--brand);color:#fff}.chip:disabled{opacity:.5;cursor:not-allowed}.tool-card{position:relative;display:flex;flex-direction:column;min-height:180px;padding:20px;background:var(--bg);border:1px solid var(--border);border-radius:12px}.tool-card .tool-price{font-size:13px;color:var(--text-muted)}.tool-card .tool-title{margin-top:12px;font-size:16px;font-weight:600;color:var(--text)}.tool-card .tool-desc{margin-top:8px;font-size:13px;line-height:1.6;color:var(--text-muted);flex:1 1}.tool-card .tool-actions{display:flex;justify-content:flex-end;margin-top:16px}.badge-soon{position:absolute;top:12px;right:12px;color:var(--text-muted);font-size:12px;line-height:1;padding:4px 8px}.badge-soon,.section-title{background:var(--chip-bg);border-radius:6px}.section-title{display:inline-block;font-size:15px;font-weight:600;color:var(--text);line-height:1.3;padding:5px 12px;margin-bottom:12px}video:-webkit-full-screen{object-fit:contain!important;background:#000!important}video:-webkit-full-screen,video:fullscreen{object-fit:contain!important;background:#000!important}*{scrollbar-color:#D1D5DB var(--surface);scrollbar-width:thin}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:#D1D5DB;border:2px solid var(--surface);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#9CA3AF}