:root{--brand: #1663d6;--brand-dark: #0f4aa8;--brand-soft: #eaf1fd;--ink: #0e1726;--ink-2: #17233a;--text: #1b2432;--muted: #5c6777;--bg: #ffffff;--bg-soft: #f5f8fc;--border: #e5eaf1;--white: #ffffff;--font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;--maxw: 1180px;--radius: 12px;--radius-lg: 18px;--shadow-sm: 0 1px 2px rgba(16, 30, 54, .06);--shadow: 0 6px 24px rgba(16, 30, 54, .08);--shadow-lg: 0 16px 48px rgba(16, 30, 54, .14);--space: 1rem;--section-y: clamp(3.5rem, 8vw, 6.5rem)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;height:auto;display:block}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-dark)}h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:700;margin:0 0 .5em;letter-spacing:-.01em}h1{font-size:clamp(1.9rem,4.5vw,3rem)}h2{font-size:clamp(1.5rem,3.5vw,2.2rem)}h3{font-size:1.2rem}p{margin:0 0 1rem}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}.section{padding-block:var(--section-y)}.section--soft{background:var(--bg-soft)}.section--ink{background:var(--ink);color:#d7deea}.section--ink h2,.section--ink h3{color:#fff}.section-head{max-width:720px;margin:0 auto 2.6rem;text-align:center}.section-head .eyebrow{color:var(--brand);font-weight:600;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.6rem;display:block}.section-head p{color:var(--muted);font-size:1.05rem;margin:0}.eyebrow{display:inline-block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.78rem 1.4rem;border-radius:999px;font-weight:600;font-size:.98rem;cursor:pointer;border:1.5px solid transparent;transition:transform .12s ease,background .15s ease,box-shadow .15s ease,color .15s ease;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px #1663d647}.btn--primary:hover{background:var(--brand-dark);color:#fff}.btn--ghost{background:transparent;color:var(--ink);border-color:var(--border)}.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}.btn--onink{background:#fff;color:var(--ink)}.btn--onink:hover{background:#eef2f8;color:var(--ink)}.btn--lg{padding:.95rem 1.8rem;font-size:1.05rem}.grid{display:grid;gap:1.4rem}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}.grid--2{grid-template-columns:repeat(2,1fr)}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d4deec}.card .card-icon{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:1.4rem;margin-bottom:1rem}.card h3{margin-bottom:.4rem;font-size:1.12rem}.card p{color:var(--muted);margin:0;font-size:.96rem}.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:.96rem}.spec-table th,.spec-table td{padding:.85rem 1.1rem;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}.spec-table th{width:34%;background:var(--bg-soft);color:var(--ink);font-weight:600}.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.4rem;text-align:center}.stat .stat-value{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;color:#fff;letter-spacing:-.02em}.stat .stat-label{color:#9fb0c6;font-size:.95rem}.faq-item{border-bottom:1px solid var(--border)}.faq-item summary{cursor:pointer;padding:1.1rem 2.2rem 1.1rem 0;font-weight:600;color:var(--ink);list-style:none;position:relative;font-size:1.03rem}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:.3rem;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--brand);font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-item .faq-a{color:var(--muted);padding:0 0 1.2rem;margin:0;max-width:62ch}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.prose{max-width:72ch;margin-inline:auto}.prose h2{margin-top:2.2rem}.prose ul{padding-left:1.2rem}.prose li{margin-bottom:.4rem}.img-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;background:repeating-linear-gradient(45deg,#eef2f8,#eef2f8 12px,#e7edf5 12px 24px);color:#7c8a9e;border-radius:var(--radius-lg);min-height:240px;text-align:center;padding:1.5rem;font-size:.9rem;border:1px dashed #c3cfde}.img-placeholder .ph-tag{font-weight:600;color:#5c6777}@media(max-width:940px){.grid--4,.grid--3{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid--4,.grid--3,.grid--2{grid-template-columns:1fr}.spec-table th{width:42%}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:100;background:#ffffffe6;backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:66px;gap:1rem}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink);font-weight:700;font-size:1.12rem}.brand[data-astro-cid-3ef6ksr2]:hover{color:var(--ink)}.brand-logo[data-astro-cid-3ef6ksr2]{display:block;height:46px;width:auto}@media(max-width:480px){.brand-logo[data-astro-cid-3ef6ksr2]{height:38px}}.main-nav[data-astro-cid-3ef6ksr2]{display:flex;gap:.3rem;margin-left:auto;margin-right:.4rem}.nav-link[data-astro-cid-3ef6ksr2]{color:var(--text);font-size:.96rem;font-weight:500;padding:.5rem .75rem;border-radius:8px;transition:background .15s,color .15s}.nav-link[data-astro-cid-3ef6ksr2]:hover{background:var(--bg-soft);color:var(--brand)}.nav-link[data-astro-cid-3ef6ksr2].active{color:var(--brand);font-weight:600}.header-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.6rem}.lang-switch[data-astro-cid-3ef6ksr2]{font-size:.9rem;font-weight:600;color:var(--muted);padding:.35rem .6rem;border:1px solid var(--border);border-radius:8px}.lang-switch[data-astro-cid-3ef6ksr2]:hover{color:var(--brand);border-color:var(--brand)}.btn-cta-header[data-astro-cid-3ef6ksr2]{padding:.55rem 1.05rem;font-size:.92rem}.nav-toggle[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:40px;background:transparent;border:1px solid var(--border);border-radius:9px;cursor:pointer;padding:0 10px}.nav-toggle[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}.mobile-nav[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;gap:.2rem;padding:.6rem clamp(1.1rem,4vw,2rem) 1.2rem;border-top:1px solid var(--border);background:#fff}.mobile-nav[data-astro-cid-3ef6ksr2].open{display:flex}.mobile-link[data-astro-cid-3ef6ksr2]{color:var(--text);font-weight:500;padding:.75rem .5rem;border-bottom:1px solid var(--border)}.mobile-link[data-astro-cid-3ef6ksr2].active{color:var(--brand)}.mobile-nav[data-astro-cid-3ef6ksr2] .btn[data-astro-cid-3ef6ksr2]{margin-top:.7rem}@media(max-width:860px){.main-nav[data-astro-cid-3ef6ksr2],.btn-cta-header[data-astro-cid-3ef6ksr2]{display:none}.nav-toggle[data-astro-cid-3ef6ksr2]{display:flex}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--ink);color:#aeb9c9;margin-top:0}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:2rem;padding-block:3.2rem 2.4rem}.footer-brand[data-astro-cid-sz7xmlte] .brand[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:.55rem;color:#fff;font-weight:700;font-size:1.1rem}.brand-logo[data-astro-cid-sz7xmlte]{display:block;height:44px;width:auto;filter:brightness(0) invert(1);opacity:.92}.footer-slogan[data-astro-cid-sz7xmlte]{color:#cfd8e6;font-weight:600;margin:1rem 0 .3rem}.footer-sub[data-astro-cid-sz7xmlte]{color:#8493a8;font-size:.9rem;margin:0;max-width:34ch}.footer-col[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{color:#fff;font-size:.95rem;margin-bottom:.9rem}.footer-col[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#aeb9c9;font-size:.94rem}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff}.footer-col[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{font-size:.94rem}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid rgba(255,255,255,.08);padding-block:1.1rem;font-size:.86rem}.footer-bottom-inner[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;color:#8493a8}.icp[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#8493a8}.icp[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#cfd8e6}.police[data-astro-cid-sz7xmlte]{margin-left:.8rem}@media(max-width:760px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:1.6rem}.footer-bottom-inner[data-astro-cid-sz7xmlte]{flex-direction:column;align-items:flex-start}}#ls-chat[data-astro-cid-ryytxnzt]{--c-brand: #1663d6;position:fixed;right:20px;bottom:20px;z-index:999;font-family:inherit}.ls-fab[data-astro-cid-ryytxnzt]{width:58px;height:58px;border-radius:50%;background:var(--c-brand);color:#fff;border:none;cursor:pointer;box-shadow:0 10px 26px #1663d666;display:grid;place-items:center;transition:transform .15s,box-shadow .15s}.ls-fab[data-astro-cid-ryytxnzt]:hover{transform:translateY(-2px) scale(1.03)}.ls-fab[data-astro-cid-ryytxnzt].hidden{display:none}.ls-panel[data-astro-cid-ryytxnzt]{position:absolute;right:0;bottom:0;width:min(370px,calc(100vw - 32px));height:min(560px,calc(100vh - 100px));background:#fff;border-radius:16px;box-shadow:0 24px 60px #101e3647;display:none;flex-direction:column;overflow:hidden;border:1px solid #e5eaf1}.ls-panel[data-astro-cid-ryytxnzt].open{display:flex;animation:ls-pop .18s ease}@keyframes ls-pop{0%{opacity:0;transform:translateY(12px)}}.ls-head[data-astro-cid-ryytxnzt]{background:linear-gradient(120deg,#0f4aa8,#1663d6);color:#fff;padding:.9rem 1.1rem;display:flex;justify-content:space-between;align-items:flex-start}.ls-head[data-astro-cid-ryytxnzt] strong[data-astro-cid-ryytxnzt]{display:block;font-size:1rem}.ls-head[data-astro-cid-ryytxnzt] span[data-astro-cid-ryytxnzt]{font-size:.78rem;opacity:.85}.ls-close[data-astro-cid-ryytxnzt]{background:transparent;border:none;color:#fff;font-size:1.5rem;line-height:1;cursor:pointer;opacity:.85}.ls-close[data-astro-cid-ryytxnzt]:hover{opacity:1}.ls-body[data-astro-cid-ryytxnzt]{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.7rem;background:#f6f8fc}.ls-msg[data-astro-cid-ryytxnzt]{max-width:82%;padding:.6rem .85rem;border-radius:14px;font-size:.92rem;line-height:1.55;white-space:pre-wrap;word-break:break-word}.ls-msg[data-astro-cid-ryytxnzt].bot{background:#fff;border:1px solid #e5eaf1;align-self:flex-start;border-bottom-left-radius:4px;color:#1b2432}.ls-msg[data-astro-cid-ryytxnzt].user{background:var(--c-brand);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.ls-typing[data-astro-cid-ryytxnzt]{align-self:flex-start;display:flex;gap:4px;padding:.7rem .9rem;background:#fff;border:1px solid #e5eaf1;border-radius:14px}.ls-typing[data-astro-cid-ryytxnzt] span[data-astro-cid-ryytxnzt]{width:7px;height:7px;background:#9fb0c6;border-radius:50%;animation:ls-blink 1.2s infinite both}.ls-typing[data-astro-cid-ryytxnzt] span[data-astro-cid-ryytxnzt]:nth-child(2){animation-delay:.2s}.ls-typing[data-astro-cid-ryytxnzt] span[data-astro-cid-ryytxnzt]:nth-child(3){animation-delay:.4s}@keyframes ls-blink{0%,80%,to{opacity:.3}40%{opacity:1}}.ls-input[data-astro-cid-ryytxnzt]{display:flex;gap:.5rem;padding:.7rem;border-top:1px solid #e5eaf1;background:#fff}.ls-input[data-astro-cid-ryytxnzt] input[data-astro-cid-ryytxnzt]{flex:1;font:inherit;padding:.6rem .8rem;border:1px solid #e5eaf1;border-radius:10px;background:#f6f8fc}.ls-input[data-astro-cid-ryytxnzt] input[data-astro-cid-ryytxnzt]:focus{outline:none;border-color:var(--c-brand);background:#fff}.ls-input[data-astro-cid-ryytxnzt] button[data-astro-cid-ryytxnzt]{background:var(--c-brand);color:#fff;border:none;width:42px;border-radius:10px;cursor:pointer;display:grid;place-items:center}.ls-input[data-astro-cid-ryytxnzt] button[data-astro-cid-ryytxnzt]:hover{background:#0f4aa8}.ls-lead[data-astro-cid-ryytxnzt]{background:#fff;border:1px solid #dbe6f7;border-radius:14px;padding:.9rem;align-self:stretch;display:flex;flex-direction:column;gap:.55rem}.ls-lead[data-astro-cid-ryytxnzt] p[data-astro-cid-ryytxnzt]{margin:0 0 .2rem;font-size:.88rem;font-weight:600;color:#1b2432}.ls-lead[data-astro-cid-ryytxnzt] input[data-astro-cid-ryytxnzt],.ls-lead[data-astro-cid-ryytxnzt] textarea[data-astro-cid-ryytxnzt]{font:inherit;font-size:.88rem;padding:.5rem .65rem;border:1px solid #e5eaf1;border-radius:8px;background:#f6f8fc;resize:vertical}.ls-lead[data-astro-cid-ryytxnzt] input[data-astro-cid-ryytxnzt]:focus,.ls-lead[data-astro-cid-ryytxnzt] textarea[data-astro-cid-ryytxnzt]:focus{outline:none;border-color:var(--c-brand);background:#fff}.ls-lead[data-astro-cid-ryytxnzt] button[data-astro-cid-ryytxnzt]{background:var(--c-brand);color:#fff;border:none;padding:.55rem;border-radius:8px;font-weight:600;cursor:pointer;font-size:.9rem}.ls-consent[data-astro-cid-ryytxnzt]{display:flex;align-items:flex-start;gap:.4rem;font-size:.76rem;line-height:1.45;color:#5a6b80;cursor:pointer}.ls-consent[data-astro-cid-ryytxnzt] input[data-astro-cid-ryytxnzt]{margin-top:.15rem;flex-shrink:0;accent-color:var(--c-brand);cursor:pointer}.ls-consent[data-astro-cid-ryytxnzt] a[data-astro-cid-ryytxnzt]{color:var(--c-brand);text-decoration:underline}.ls-lead[data-astro-cid-ryytxnzt] .ls-lead-status[data-astro-cid-ryytxnzt]{font-size:.82rem;color:#1a8a4a;margin:0}@media(max-width:480px){#ls-chat[data-astro-cid-ryytxnzt]{right:14px;bottom:14px}}