:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page:#f7f8f5;--surface:#fff;--surface-soft:#eef3ef;--ink:#15211f;--muted:#65716d;--line:#dce4df;--teal:#087f7b;--teal-dark:#075b5b;--green:#2f7a52;--amber:#c8892d;--graphite:#2a3231;--shadow:0 20px 60px #11211f1f;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--page);color:var(--ink);margin:0}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}.site-header{z-index:20;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#f7f8f5eb;border-bottom:1px solid #dce4dfdb;justify-content:space-between;align-items:center;gap:24px;padding:16px clamp(18px,5vw,72px);display:flex;position:sticky;top:0}.brand-lockup{align-items:center;gap:12px;min-width:max-content;display:inline-flex}.brand-mark{color:#fff;background:linear-gradient(135deg, var(--teal), var(--green));border-radius:8px;place-items:center;width:42px;height:42px;display:inline-grid;box-shadow:0 10px 24px #087f7b38}.brand-mark svg{width:22px;height:22px}.brand-lockup strong,.brand-lockup small{display:block}.brand-lockup strong{font-size:17px;line-height:1.2}.brand-lockup small{color:var(--muted);margin-top:2px;font-size:12px}.site-nav{white-space:nowrap;justify-content:flex-end;align-items:center;gap:6px;display:flex;overflow-x:auto}.site-nav a{color:#43504c;border-radius:8px;padding:10px 12px;font-size:14px}.site-nav a:hover{color:var(--teal-dark);background:#fff}.hero-section{grid-template-columns:minmax(0,.95fr) minmax(420px,1.05fr);align-items:center;gap:clamp(28px,5vw,72px);padding:clamp(54px,8vw,92px) clamp(18px,5vw,72px) 58px;display:grid;overflow:hidden}.hero-copy{max-width:760px}.hero-eyebrow,.section-kicker,.product-series{color:var(--teal-dark);font-size:13px;font-weight:700}.hero-eyebrow{margin-bottom:18px}h1,h2,h3,h4,p{margin-top:0}h1{max-width:760px;margin-bottom:18px;font-size:clamp(44px,6vw,82px);font-weight:780;line-height:1.03}.hero-subtitle{color:#2d3b38;margin-bottom:12px;font-size:clamp(20px,2.6vw,30px);line-height:1.35}.hero-description{max-width:660px;color:var(--muted);margin-bottom:28px;font-size:17px;line-height:1.85}.hero-badges,.tag-row{flex-wrap:wrap;gap:8px;display:flex}.hero-badges span,.tag-row span{border:1px solid var(--line);color:#3c4946;background:#ffffffb8;border-radius:8px;align-items:center;gap:6px;min-height:32px;padding:6px 10px;font-size:13px;display:inline-flex}.hero-badges svg{width:14px;height:14px;color:var(--green)}.hero-actions,.product-actions,.detail-actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.button{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 16px;font-size:14px;font-weight:720;transition:transform .18s,background .18s,border-color .18s,box-shadow .18s;display:inline-flex}.button svg{width:18px;height:18px}.button:hover{transform:translateY(-1px)}.button-primary{color:#fff;background:var(--teal-dark);box-shadow:0 10px 24px #075b5b33}.button-primary:hover{background:#064747}.button-secondary{border-color:var(--line);color:var(--ink);background:#fff}.button-secondary:hover{border-color:#b9cbc3;box-shadow:0 10px 22px #11211f14}.button-ghost{color:var(--teal-dark);background:0 0;border-color:#0000}.button-ghost:hover{background:#087f7b14}.hero-visual{min-height:480px;position:relative}.hero-visual img{object-fit:cover;object-position:62% center;width:min(920px,120%);height:clamp(440px,48vw,640px);box-shadow:var(--shadow);border-radius:8px;margin-left:-8%}.hero-signal{border:1px solid #087f7b3d;border-radius:999px;width:120px;height:120px;animation:2.8s ease-out infinite pulse;position:absolute;top:12%;right:18%}.hero-signal:after{border-radius:inherit;content:"";border:1px solid #087f7b33;position:absolute;inset:22px}@keyframes pulse{0%{opacity:.75;transform:scale(.88)}to{opacity:0;transform:scale(1.4)}}.hero-metrics{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffdb;border:1px solid #ffffffa8;border-radius:8px;grid-template-columns:repeat(3,1fr);width:min(520px,82%);display:grid;position:absolute;bottom:24px;left:0;box-shadow:0 18px 42px #141f1e24}.hero-metrics div{border-right:1px solid var(--line);padding:18px}.hero-metrics div:last-child{border-right:0}.hero-metrics strong,.hero-metrics span{display:block}.hero-metrics strong{margin-bottom:4px;font-size:24px}.hero-metrics span{color:var(--muted);font-size:12px}.section{padding:82px clamp(18px,5vw,72px)}.surface-section{background:#eef3ef}.section-heading{max-width:760px;margin-bottom:34px}.section-heading.with-actions{justify-content:space-between;align-items:end;gap:24px;max-width:none;display:flex}.section-heading h2,.service-copy h2{margin:8px 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.12}.section-heading p,.service-copy p{max-width:680px;color:var(--muted);font-size:16px;line-height:1.75}.selling-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.selling-card,.education-card,.product-card,.scenario-card,.service-card,.trust-item,.info-block,.faq-group,.company-panel,.compliance-card,.spec-shell{border:1px solid var(--line);background:var(--surface);border-radius:8px}.education-section{background:#f8faf6}.education-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.education-card{padding:24px}.education-card h3{margin:18px 0 10px;font-size:20px}.education-card p{color:var(--muted);line-height:1.72}.suitable-line{border:1px solid var(--line);background:#fbfcfa;border-radius:8px;margin:16px 0;padding:12px}.suitable-line span,.suitable-line strong{display:block}.suitable-line span{color:var(--muted);font-size:12px}.suitable-line strong{margin-top:5px;line-height:1.45}.education-card ul{color:#43504c;gap:8px;margin:0;padding-left:18px;line-height:1.56;display:grid}.education-note{color:#31524a;background:#eef8f3;border:1px solid #d9e7e0;border-radius:8px;align-items:flex-start;gap:12px;margin-top:16px;padding:16px;display:flex}.education-note svg{flex:none;width:20px;height:20px;margin-top:2px}.education-note p{margin:0;line-height:1.68}.company-section{background:#fff}.company-layout{grid-template-columns:minmax(0,.92fr) minmax(320px,.58fr);align-items:stretch;gap:28px;display:grid}.company-copy{border:1px solid var(--line);background:linear-gradient(135deg,#eef6f3 0%,#fff 62%);border-radius:8px;padding:clamp(28px,4vw,42px)}.company-copy h2{margin:8px 0 14px;font-size:clamp(32px,4vw,54px);line-height:1.1}.company-copy p{max-width:820px;color:var(--muted);font-size:16px;line-height:1.86}.company-actions{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.company-panel{gap:0;display:grid;overflow:hidden}.fact-row{border-top:1px solid var(--line);padding:18px 20px}.fact-row:first-child{border-top:0}.fact-row span,.fact-row strong,.fact-row small{display:block}.fact-row span{color:var(--muted);font-size:13px}.fact-row strong{color:var(--ink);margin-top:6px;line-height:1.45}.fact-row small{color:#7c8884;margin-top:5px;line-height:1.45}.selling-card{min-height:218px;padding:24px}.icon-tile,.scenario-icon{width:44px;height:44px;color:var(--teal-dark);background:#e7f2ee;border-radius:8px;place-items:center;display:inline-grid}.icon-tile svg,.scenario-icon svg{width:22px;height:22px}.selling-card h3,.service-card h3,.trust-item h3,.scenario-card h3,.info-block h3{margin:18px 0 10px;font-size:20px}.selling-card p,.service-card p,.trust-item p,.scenario-card p,.info-block p{color:var(--muted);margin-bottom:0;line-height:1.72}.filter-bar,.compare-picker{flex-wrap:wrap;gap:8px;display:flex}.product-tools{justify-items:end;gap:12px;display:grid}.product-search{border:1px solid var(--line);width:min(420px,100%);min-height:44px;color:var(--muted);background:#fff;border-radius:8px;align-items:center;gap:10px;padding:0 12px;display:flex}.product-search svg{flex:none;width:18px;height:18px}.product-search input{width:100%;min-width:0;color:var(--ink);font:inherit;background:0 0;border:0;outline:0;font-size:14px}.product-search input::placeholder{color:#8a9793}.product-count{margin-top:10px;font-weight:720;color:var(--teal-dark)!important;font-size:14px!important}.filter-button,.compare-pill,.compare-toggle{border:1px solid var(--line);color:#43504c;min-height:38px;font:inherit;cursor:pointer;background:#fff;border-radius:8px;align-items:center;gap:7px;padding:0 12px;font-size:14px;display:inline-flex}.filter-button.is-active,.compare-pill.is-active,.compare-toggle.is-active{color:var(--teal-dark);background:#e5f4ef;border-color:#087f7b4d}.compare-pill:disabled,.compare-toggle:disabled{cursor:not-allowed;opacity:.48}.product-grid{grid-template-columns:repeat(4,minmax(260px,1fr));gap:16px;padding-bottom:4px;display:grid;overflow-x:auto}.empty-products{min-height:220px;color:var(--muted);text-align:center;background:#ffffffb8;border:1px dashed #b9cbc3;border-radius:8px;grid-column:1/-1;place-items:center;gap:8px;padding:28px;display:grid}.empty-products svg{width:34px;height:34px;color:var(--teal-dark)}.empty-products strong{color:var(--ink)}.product-card{flex-direction:column;min-width:0;display:flex;overflow:hidden}.product-media{background:#e8efec;height:228px;position:relative;overflow:hidden}.product-media img{object-fit:cover;width:100%;height:100%}.product-badge{color:#fff;background:#15211fd1;border-radius:8px;padding:6px 9px;font-size:12px;font-weight:720;position:absolute;top:14px;left:14px}.product-body{flex-direction:column;flex:1;padding:18px;display:flex}.product-title-row{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.product-title-row h3{margin-bottom:0;font-size:22px}.model-code{border:1px solid var(--line);min-width:max-content;color:var(--muted);border-radius:8px;padding:6px 8px;font-size:12px;font-weight:720}.product-description{color:var(--muted);margin:14px 0;line-height:1.7}.highlight-strip{grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0;display:grid}.highlight-strip div,.detail-highlights div{border:1px solid var(--line);background:#fbfcfa;border-radius:8px;padding:10px}.highlight-strip span,.detail-highlights span{color:var(--muted);margin-bottom:4px;font-size:12px;display:block}.highlight-strip strong,.detail-highlights strong{font-size:14px}.plan-text{color:#4d5a56;min-height:44px;margin:auto 0 0;font-size:13px;line-height:1.6}.product-actions{margin-top:16px}.product-actions .button,.detail-actions .button{flex:1}.compare-toggle{justify-content:center;width:100%;margin-top:12px}.compare-toggle svg,.compare-pill svg{width:16px;height:16px}.detail-section{background:linear-gradient(#fff 0%,#f5f7f3 100%)}.detail-layout{grid-template-columns:minmax(280px,.92fr) minmax(0,1.08fr);align-items:center;gap:34px;display:grid}.detail-media{border:1px solid var(--line);background:#e8efec;border-radius:8px;overflow:hidden}.detail-media img{object-fit:cover;width:100%;height:clamp(360px,42vw,560px)}.detail-copy h2{margin:8px 0 16px;font-size:clamp(34px,4vw,54px);line-height:1.1}.detail-copy p{color:var(--muted);font-size:17px;line-height:1.78}.detail-highlights{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px;display:grid}.detail-info-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:30px;display:grid}.info-block{padding:22px}.check-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.check-list li{color:#43504c;align-items:flex-start;gap:8px;line-height:1.5;display:flex}.check-list svg{width:16px;height:16px;color:var(--green);flex:none;margin-top:3px}.mini-scenarios{gap:12px;display:grid}.mini-scenarios div{border-left:3px solid var(--amber);padding-left:10px}.mini-scenarios strong,.mini-scenarios span{display:block}.mini-scenarios span{color:var(--muted);margin-top:4px;font-size:13px;line-height:1.55}details{border-top:1px solid var(--line)}details:first-of-type{border-top:0}summary{color:#24312e;cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;font-weight:720;display:flex}summary:after{content:"+";color:var(--teal-dark);font-size:18px}details[open] summary:after{content:"-"}details p{color:var(--muted);margin:0 0 14px;line-height:1.7}.spec-shell{margin-top:30px;padding:26px}.spec-heading{margin-bottom:22px}.spec-heading h3{margin:8px 0;font-size:28px}.spec-heading p{color:var(--muted)}.spec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.spec-group{border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden}.spec-group h4{background:#eef3ef;margin:0;padding:14px 16px;font-size:16px}.spec-group dl{margin:0}.spec-group dl>div{border-top:1px solid var(--line);grid-template-columns:minmax(112px,.38fr) minmax(0,.62fr);gap:14px;padding:13px 16px;display:grid}.spec-group dl>div:first-child{border-top:0}.spec-group dt{color:var(--muted);font-size:13px}.spec-group dd{color:#26322f;margin:0;font-size:14px;line-height:1.6}.spec-group dd small{color:var(--muted);margin-top:4px;display:block}.spec-group .is-important{background:#fffaf0}.spec-group .is-important dd span{color:#8a550c;font-weight:760}.compare-picker{margin-bottom:12px}.compare-notice{color:#8a550c;margin:0 0 14px;font-size:14px}.compare-table-wrap{border:1px solid var(--line);background:#fff;border-radius:8px;overflow-x:auto}.compare-table{border-collapse:collapse;width:100%;min-width:760px}.compare-table th,.compare-table td{border-top:1px solid var(--line);text-align:left;vertical-align:top;padding:16px}.compare-table thead th{z-index:1;background:#f4f7f3;border-top:0;font-size:14px;position:sticky;top:0}.compare-table thead th span,.compare-table tbody th small{color:var(--muted);margin-top:4px;font-size:12px;font-weight:560;display:block}.compare-table tbody th{color:#24312e;width:180px}.compare-table td{color:#43504c;line-height:1.55}.compare-table tr.has-diff td{color:#6f470f;background:#fff9ea;font-weight:720}.scenario-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.scenario-card{padding:22px}.scenario-card div:last-of-type{border-top:1px solid var(--line);margin:18px 0 12px;padding-top:14px}.scenario-card div:last-of-type span,.scenario-card small{color:var(--muted);font-size:12px;display:block}.scenario-card div:last-of-type strong{margin-top:4px;line-height:1.45;display:block}.scenario-card small{line-height:1.55}.service-section{background:#fff;grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);align-items:start;gap:34px;display:grid}.service-copy{position:sticky;top:96px}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.service-card{padding:24px}.text-link{color:var(--teal-dark);align-items:center;gap:7px;margin-top:18px;font-weight:760;display:inline-flex}.text-link svg{width:16px;height:16px}.trust-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.trust-item{padding:24px}.trust-item>svg{width:28px;height:28px;color:var(--amber)}.compliance-section{background:#fff}.compliance-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:16px;display:grid}.compliance-card{padding:24px}.compliance-card.is-primary{background:#f4faf7}.compliance-card h3{margin:18px 0 10px;font-size:22px}.compliance-card p{color:var(--muted);line-height:1.72}.record-line{border:1px solid var(--line);background:#fff;border-radius:8px;grid-template-columns:minmax(104px,.36fr) minmax(0,.64fr);gap:12px;margin-top:10px;padding:12px;display:grid}.record-line span,.domain-list dt{color:var(--muted);font-size:13px}.record-line strong{color:#26413b;line-height:1.45}.domain-list{margin:14px 0 0}.domain-list div{border-top:1px solid var(--line);grid-template-columns:minmax(96px,.32fr) minmax(0,.68fr);gap:12px;padding:12px 0;display:grid}.domain-list div:first-child{border-top:0}.domain-list dd{color:#2f3c38;margin:0;line-height:1.5}.wechat-notes{gap:12px;margin-top:14px;display:grid}.wechat-notes div{border-left:3px solid var(--teal);padding-left:12px}.wechat-notes strong{color:var(--ink);display:block}.wechat-notes p{margin:5px 0 0;font-size:14px}.faq-section{background:#f1f4f0}.faq-groups{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.faq-group{padding:22px}.faq-group h3{margin-bottom:8px;font-size:18px}.site-footer{border-top:1px solid var(--line);background:#fff;grid-template-columns:minmax(0,1fr) auto;justify-content:space-between;align-items:start;gap:24px;padding:34px clamp(18px,5vw,72px);display:grid}.site-footer p{color:var(--muted);margin:6px 0 0}.site-footer a{color:var(--teal-dark)}.footer-company p:last-child{flex-wrap:wrap;gap:12px;display:flex}.footer-links{color:#43504c;gap:14px;display:flex}@media (width<=1180px){.hero-section,.detail-layout,.service-section,.company-layout,.compliance-grid{grid-template-columns:1fr}.hero-visual{min-height:auto}.hero-visual img{width:100%;height:460px;margin-left:0}.product-grid{grid-template-columns:repeat(2,minmax(280px,1fr))}.detail-info-grid,.education-grid,.scenario-grid,.trust-grid,.faq-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.service-copy{position:static}}@media (width<=760px){.site-header{flex-direction:column;align-items:flex-start;padding:14px 16px}.site-nav{justify-content:flex-start;width:100%;padding-bottom:2px}.hero-section{padding:36px 16px 44px}h1{font-size:38px}.hero-description,.detail-copy p{font-size:15px}.hero-actions,.product-actions,.detail-actions,.company-actions{flex-direction:column}.button,.product-actions .button,.detail-actions .button,.company-actions .button{width:100%}.hero-visual img{object-position:67% center;height:360px}.hero-metrics{width:100%;margin-top:12px;position:static}.hero-metrics div{padding:12px}.hero-metrics strong{font-size:18px}.section{padding:58px 16px}.section-heading.with-actions{flex-direction:column;align-items:stretch}.product-tools{justify-items:stretch}.product-search{width:100%}.selling-grid,.education-grid,.product-grid,.detail-info-grid,.spec-grid,.scenario-grid,.service-grid,.trust-grid,.faq-groups{grid-template-columns:1fr}.record-line,.domain-list div{grid-template-columns:1fr;gap:6px}.product-grid{overflow:visible}.product-media{height:220px}.detail-media img{height:340px}.detail-highlights,.highlight-strip{grid-template-columns:1fr}.spec-shell{padding:18px}.spec-group dl>div{grid-template-columns:1fr;gap:6px}.site-footer{grid-template-columns:1fr;align-items:flex-start}.footer-links{flex-wrap:wrap}}