:root{--bg:#f4f7fb;--surface:#fff;--text:#142033;--muted:#5c6b7a;--line:#d9e1ea;--blue:#155eef;--blue-dark:#1048b8;--green:#0f8a5f;--amber:#b25e09;--red:#c0342b;--cyan:#087ea4;--nav:#0f172a;--ink-soft:#eef3f8}*{box-sizing:border-box}html{background:var(--bg)}body{background:var(--bg);color:var(--text);margin:0;font-family:Arial,Microsoft YaHei,sans-serif}a{color:inherit}.page-shell{min-height:100vh}.topbar{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);z-index:20;background:#fffffff0;border-bottom:1px solid #d8e2ecd1;position:sticky;top:0;box-shadow:0 10px 28px #0f172a0f}.topbar-inner{justify-content:space-between;align-items:center;gap:20px;max-width:1180px;margin:0 auto;padding:13px 20px;display:flex}.brand{color:var(--text);white-space:nowrap;align-items:center;gap:10px;font-weight:800;text-decoration:none;display:inline-flex}.brand-mark{background:linear-gradient(135deg, var(--blue), var(--green));color:#fff;border-radius:8px;place-items:center;width:36px;height:36px;font-size:13px;display:grid}.nav{color:var(--muted);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;font-size:14px;display:flex}.nav a{border-radius:7px;align-items:center;min-height:36px;padding:8px 10px;text-decoration:none;display:inline-flex}.nav a:hover,.nav-button:hover{color:var(--blue);background:#eef5ff}.nav-cta{color:var(--text);background:#fff;border:1px solid #b8c9df}.nav-button{min-height:36px;color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:0;border-radius:7px;padding:8px 10px}.language-switcher{border:1px solid var(--line);min-height:36px;color:var(--muted);background:#fff;border-radius:7px;align-items:center;gap:7px;padding:4px 8px;display:inline-flex}.language-switcher span{color:var(--text);font-size:12px;font-weight:800}.language-switcher select{width:128px;color:var(--text);font:inherit;background:0 0;border:0;outline:0}.container{max-width:1180px;margin:0 auto;padding:38px 20px 70px}.home-band{border-bottom:1px solid var(--line);background:radial-gradient(circle at 14% 0,#155eef1f,#0000 34%),linear-gradient(#fff 0%,#edf3f8 100%)}.home-grid,.hero{grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);align-items:start;gap:30px;display:grid}.eyebrow{color:var(--blue);margin:0 0 10px;font-size:14px;font-weight:800}h1{letter-spacing:0;margin:0 0 14px;font-size:42px;line-height:1.12}h2{letter-spacing:0}.lead{color:var(--muted);margin:0 0 22px;font-size:17px;line-height:1.7}.hero-metrics{flex-wrap:wrap;gap:10px;margin-top:26px;display:flex}.hero-metrics span{border:1px solid var(--line);min-height:44px;color:var(--muted);background:#fff;border-radius:8px;align-items:baseline;gap:7px;padding:8px 12px;display:inline-flex;box-shadow:0 10px 24px #1420330d}.hero-metrics strong{color:var(--text);font-size:20px}.action-row{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.primary-link,.secondary-link{border-radius:7px;justify-content:center;align-items:center;min-height:42px;padding:10px 15px;font-weight:800;text-decoration:none;display:inline-flex}.primary-link{background:var(--blue);color:#fff}.primary-link:hover,.button:hover{background:var(--blue-dark)}.secondary-link{border:1px solid var(--line);color:var(--text);background:#fff}.secondary-link.full{width:100%}.secondary-link.inline,.primary-link.inline{width:fit-content;margin:8px 0 18px}.tool-stack{gap:12px;display:grid}.hero-console{background:#fff;border:1px solid #cad7e6;border-radius:8px;overflow:hidden;box-shadow:0 22px 55px #0f172a1f}.console-toolbar{background:var(--nav);color:#dbe5ef;align-items:center;gap:8px;min-height:46px;padding:0 16px;display:flex}.console-toolbar span{background:#e25555;border-radius:999px;width:10px;height:10px}.console-toolbar span:nth-child(2){background:#e0a318}.console-toolbar span:nth-child(3){background:#1fa36d}.console-toolbar strong{margin-left:6px;font-size:13px}.tool-row,.article-card,.price-card,.fact{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 30px #1420330f}.tool-row{align-items:center;gap:14px;min-height:88px;padding:16px;text-decoration:none;display:flex}.tool-row.featured{box-shadow:none;margin:16px}.tool-row small,.fact span{color:var(--muted);margin-top:4px;font-size:14px;line-height:1.5;display:block}.workflow-row{border:1px solid var(--line);min-height:48px;color:var(--text);background:#f8fbff;border-radius:8px;align-items:center;gap:10px;margin:0 16px 12px;padding:10px 12px;font-size:14px;display:flex}.status-dot{border-radius:999px;flex:none;width:10px;height:10px}.status-dot.green{background:var(--green)}.status-dot.amber{background:var(--amber)}.status-dot.blue{background:var(--blue)}.feature-band{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.tool-row.disabled{color:#506070;background:#fbfcfd}.tool-mark{border-radius:6px;flex:none;width:12px;height:42px;display:inline-block}.tool-mark.blue{background:var(--blue)}.tool-mark.green{background:var(--green)}.tool-mark.amber{background:var(--amber)}.facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px;display:grid}.fact{min-height:82px;padding:14px}.tool-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:0 18px 46px #14203317}.upload-zone{text-align:center;background:#f8fbff;border:2px dashed #a7bacd;border-radius:8px;padding:22px}.file-input{width:100%;margin-top:12px}.options{gap:12px;margin:18px 0;display:grid}.option-row{justify-content:space-between;align-items:center;gap:14px;font-size:14px;display:flex}.option-row input[type=number]{border:1px solid var(--line);border-radius:6px;width:92px;padding:8px}.button{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:7px;width:100%;padding:12px 16px;font-size:15px;font-weight:800}.button.compact{min-height:42px}.button:disabled{cursor:not-allowed;background:#9aa8b8}.payment-notice{color:var(--muted);background:#f8fbff;border:1px solid #c8d7e6;border-radius:8px;margin-top:12px;padding:12px;font-size:14px;line-height:1.55}.payment-notice strong{color:var(--text);margin-bottom:6px;display:block}.payment-notice img{border:1px solid var(--line);background:#fff;border-radius:8px;width:160px;max-width:100%;height:auto;margin:8px 0;padding:6px;display:block}.payment-notice p,.payment-notice small{margin:0}.payment-notice small{margin-top:8px;display:block}.download{text-align:center;background:var(--green);color:#fff;border-radius:7px;margin-top:14px;padding:12px 16px;font-size:15px;font-weight:800;text-decoration:none;display:block}.progress{margin-top:16px}.bar{background:#e6edf5;border-radius:999px;width:100%;height:10px;overflow:hidden}.bar span{background:var(--blue);height:100%;transition:width .25s;display:block}.status{color:var(--muted);margin-top:8px;font-size:14px;line-height:1.55}.error{color:var(--red);background:#fff3f2;border:1px solid #f5c7c3;border-radius:8px;margin-top:14px;padding:10px 12px;font-size:14px}.logs{border:1px solid var(--line);max-height:180px;color:var(--muted);background:#fbfcfe;border-radius:8px;margin-top:14px;padding:10px;font-size:13px;overflow:auto}.logs p{margin:0 0 6px}.content-section{border-top:1px solid var(--line);margin-top:46px;padding-top:28px}.content-section h2,.section-heading h1{margin-top:0}.content-section p,.content-section li,.article-body p,.article-body li,.price-card li{color:var(--muted);line-height:1.75}.section-heading{max-width:760px;margin-bottom:24px}.pricing-grid,.article-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.price-card,.article-card{padding:20px;text-decoration:none}.price-card h2,.article-card h2{margin:14px 0 8px;font-size:22px}.price{margin:0 0 12px;font-size:28px;font-weight:800}.article-layout{max-width:900px}.article-body{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:28px}.form-shell{border:1px solid var(--line);background:#fff;border-radius:8px;max-width:520px;margin:0 auto;padding:24px}.form-grid{gap:14px;display:grid}.form-grid label{color:var(--muted);gap:6px;font-size:14px;display:grid}.form-grid input{border:1px solid var(--line);border-radius:7px;width:100%;padding:11px 12px;font-size:15px}.account-grid{grid-template-columns:230px minmax(0,1fr);gap:20px;display:grid}.side-nav,.table-card{border:1px solid var(--line);background:#fff;border-radius:8px;padding:18px}.side-nav a{color:var(--muted);padding:10px 0;text-decoration:none;display:block}.side-nav a:hover{color:var(--blue)}.data-table{border-collapse:collapse;width:100%;font-size:14px}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:10px 8px}.data-table th{color:var(--muted)}@media (max-width:920px){.home-grid,.hero,.account-grid,.pricing-grid,.article-grid,.feature-band{grid-template-columns:1fr}h1{font-size:32px}.facts{grid-template-columns:1fr}}@media (max-width:560px){.topbar-inner{flex-direction:column;align-items:flex-start}.nav{justify-content:flex-start;width:100%}.nav a,.nav-button,.language-switcher{min-height:34px}.language-switcher{justify-content:space-between;width:100%}.language-switcher select{width:min(170px,58vw)}.container{padding:28px 16px 52px}.tool-panel,.article-body,.form-shell,.table-card,.side-nav{padding:16px}}