:root{--ink: #0b1419;--ink-2: #111d23;--ink-3: #1a2a32;--paper: #ffffff;--paper-2: #f4f6f5;--muted: #66737a;--line: #dce2e2;--line-dark: #33434c;--orange: #ff5a1f;--orange-dark: #df4310;--green: #72e73b;--green-dark: #31a80d;--container: 1320px;font-family:PingFang SC,Microsoft YaHei,Noto Sans CJK SC,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;-webkit-font-smoothing:antialiased;background:var(--paper)}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}svg{flex:0 0 auto}.container{width:min(calc(100% - 64px),var(--container));margin-inline:auto}.section{padding:88px 0}.muted{background:var(--paper-2)}.narrow{max-width:880px}.orange{color:var(--orange)}.green{color:var(--green)}.kicker,.eyebrow{display:block;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border:1px solid var(--orange);background:var(--orange);color:#fff;font-weight:800;font-size:15px;cursor:pointer;transition:.2s ease}.button:hover{background:var(--orange-dark);border-color:var(--orange-dark);transform:translateY(-1px)}.button-small{min-height:44px;padding:0 20px;white-space:nowrap;font-size:14px}.button-ghost{background:transparent;border-color:#8a989f}.button-ghost:hover{background:#ffffff14;border-color:#fff}.button-outline{background:transparent;color:var(--ink);border-color:var(--ink)}.button-outline:hover{color:#fff;background:var(--ink);border-color:var(--ink)}.text-link,.section-head>a,.case-card a,.focus-panel a,.proof-method a{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-weight:800}.site-header{position:sticky;top:0;z-index:100;height:72px;background:#0b1419fa;border-bottom:1px solid var(--line-dark);color:#fff}.header-inner{width:min(calc(100% - 48px),1420px);height:100%;margin:auto;display:flex;align-items:center;gap:28px}.logo{min-width:205px;display:inline-flex;align-items:center;color:#fff}.logo img{width:190px;height:52px;object-fit:contain;object-position:left center}.main-nav{height:100%;flex:1;display:flex;justify-content:center;align-items:stretch}.nav-item{position:static;display:flex;align-items:stretch}.nav-item>a{position:relative;display:flex;align-items:center;gap:5px;padding:0 17px;color:#d8dede;font-size:14px;font-weight:700;white-space:nowrap}.nav-item>a:after{content:"";position:absolute;bottom:0;left:17px;right:17px;height:2px;background:var(--green);opacity:0}.nav-item>a:hover,.nav-item>a.active{color:var(--green)}.nav-item>a:hover:after,.nav-item>a.active:after{opacity:1}.mega-menu{position:absolute;top:72px;left:50%;width:min(calc(100% - 64px),1160px);transform:translate(-50%,10px);background:#fff;color:var(--ink);border:1px solid var(--line);display:grid;grid-template-columns:310px 1fr;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease;box-shadow:0 28px 70px #00000040}.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{opacity:1;visibility:visible;transform:translate(-50%);pointer-events:auto}.mega-intro{padding:32px;background:var(--ink-2);color:#fff}.mega-intro>span{color:var(--green);font-size:11px;font-weight:800;letter-spacing:.14em}.mega-intro h3{margin:10px 0;font-size:27px}.mega-intro p{margin:0 0 24px;color:#b8c2c7;line-height:1.8;font-size:14px}.mega-intro a{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:800}.mega-links{padding:18px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.mega-links a{padding:13px 15px;border-bottom:1px solid var(--line)}.mega-links a:hover{background:var(--paper-2)}.mega-links strong{display:block;margin-bottom:4px;font-size:14px}.mega-links span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12px}.menu-button{display:none;width:44px;height:44px;border:1px solid var(--line-dark);background:transparent;color:#fff;align-items:center;justify-content:center}.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:url(/assets/hero-industrial-blueprint.webp) center/cover no-repeat;opacity:.34}.hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#060e126b;pointer-events:none}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.16fr .84fr;gap:64px;padding-top:38px;padding-bottom:30px}.hero-copy h1{margin:15px 0 14px;max-width:780px;font-size:clamp(42px,3.9vw,62px);line-height:1.1;letter-spacing:-.045em;font-weight:900}.hero-copy>p{max-width:760px;margin:0;color:#cbd3d7;font-size:18px;line-height:1.85}.hero-actions{display:flex;align-items:center;gap:16px;margin-top:21px}.trust-points{display:flex;flex-wrap:wrap;gap:22px;padding:0;margin:18px 0 0;list-style:none;color:#dfe6e8;font-size:14px}.trust-points li{display:flex;align-items:center;gap:7px}.trust-points svg{padding:3px;border-radius:50%;background:var(--green);color:var(--ink)}.path-block{margin-top:23px;padding-top:20px;border-top:1px solid #40515a}.path-block h2{margin:0 0 15px;font-size:20px}.path-flow{display:flex;align-items:center;justify-content:space-between;gap:10px}.path-flow>svg{color:#71818a}.path-flow div{display:flex;min-width:100px;flex-direction:column;align-items:center;text-align:center}.path-flow div>svg{width:30px;height:30px;margin-bottom:6px;color:var(--green)}.path-flow strong{font-size:13px}.path-flow span{margin-top:5px;color:#98a5ab;font-size:11px}.calculator-panel{padding:25px 28px;background:#0c181eed;border:1px solid #53646d;color:#fff;align-self:start}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.panel-heading span,.roi-panel>span{color:var(--green);font-size:11px;font-weight:800;letter-spacing:.13em}.panel-heading h2{margin:7px 0 0;font-size:24px}.panel-heading small{color:#a9b4b9;font-size:11px;white-space:nowrap}.calculator-panel>p{color:#aab7bd;font-size:13px;line-height:1.7}.calculator-fields{display:grid;gap:8px;margin:16px 0}.calculator-fields label{display:grid;grid-template-columns:150px 1fr 28px;align-items:center;gap:10px;font-size:13px}.calculator-fields em{color:#9eabb1;font-style:normal;font-size:11px}.money-input{display:flex;align-items:center;height:34px;background:#22313a;border:1px solid #40525d}.money-input:focus-within{border-color:var(--green)}.money-input b{padding-left:12px;color:#bfcbcf}.money-input input{width:100%;height:100%;padding:0 10px;border:0;outline:0;background:transparent;color:#fff}.calculator-result{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-top:1px solid #40515a}.calculator-result span{font-weight:700}.calculator-result strong{font-size:27px}.calculator-result.green strong{color:var(--green)}.tip{display:inline-grid;width:17px;height:17px;place-items:center;border-radius:50%;background:#41515a;color:#fff;font-size:11px;cursor:help}.asset-meter{height:5px;overflow:hidden;background:#27363e}.asset-meter span{display:block;height:100%;background:var(--green);transition:width .3s}.calculator-panel .panel-note{margin-bottom:0;padding:9px 11px;background:#1a2931;color:#9eabb1;font-size:10px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:40px}.section-head>div{max-width:780px}.section-head h2{margin:8px 0 10px;font-size:clamp(30px,3vw,45px);line-height:1.2;letter-spacing:-.025em}.section-head p{margin:0;color:var(--muted);font-size:16px;line-height:1.8}.section-head>a{padding-bottom:6px;border-bottom:1px solid currentColor;white-space:nowrap}.channel-grid{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.channel{min-height:170px;padding:25px 22px;border-right:1px solid var(--line)}.channel:last-child{border-right:0}.channel strong{font-size:15px}.channel p{color:var(--muted);font-size:13px;line-height:1.6}.bar{height:11px;margin:18px 0;overflow:hidden;background:#e7eaea}.bar span{display:block;height:100%}.bar .cost{background:var(--orange)}.bar .asset{background:var(--green)}.evidence-section{background:var(--paper-2)}.evidence-grid{display:grid;grid-template-columns:1fr 1.15fr .85fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.evidence-grid>div{padding:30px;border-right:1px solid var(--line);background:#fff}.evidence-grid>div:last-child{border-right:0}.search-proof>svg,.proof-method>svg{width:42px;height:42px;margin-bottom:16px;color:var(--green-dark)}.search-proof>span,.proof-method>span{display:block;color:var(--muted);font-size:12px}.search-proof h3,.proof-method h3{margin:6px 0 8px;font-size:22px}.search-proof p,.proof-method li{color:var(--muted);font-size:13px;line-height:1.7}.trend-bars{height:120px;margin:25px 0 12px;display:flex;align-items:end;gap:7px;border-bottom:1px solid #a9b7bd}.trend-bars i{flex:1;background:var(--green);opacity:.82}.search-proof small{color:#849096;font-size:10px}.evidence-label{display:flex;align-items:center;gap:8px;padding-bottom:15px;border-bottom:1px solid var(--line);font-weight:800}.evidence-label svg{color:#12b869}.evidence-label span{margin-left:auto;padding:4px 7px;background:#eaf8ec;color:#287a29;font-size:10px}.inquiry-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:17px 0;border-bottom:1px solid var(--line)}.avatar{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#e7ecec;font-weight:800}.inquiry-row strong{font-size:13px}.inquiry-row p{margin:4px 0 0;color:var(--muted);font-size:12px}.inquiry-row em{padding:4px 7px;background:#eaf8ec;color:#237e25;font-size:10px;font-style:normal}.proof-method ul{padding-left:19px}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.case-card{overflow:hidden;background:#fff;border:1px solid var(--line);transition:.2s ease}.case-card:hover{transform:translateY(-4px);box-shadow:0 22px 45px #0f1d231f}.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.case-card>div{padding:25px}.case-card span{color:var(--orange);font-size:11px;font-weight:800;letter-spacing:.08em}.case-card h3{margin:7px 0 10px;font-size:25px}.case-card p{min-height:70px;color:var(--muted);font-size:14px;line-height:1.7}.dark-section{background:var(--ink);color:#fff}.section-head.light p{color:#aab6bb}.section-head.light>a{color:var(--green)}.system-steps{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}.system-step{min-height:220px;padding:28px 20px;border-right:1px solid var(--line-dark)}.system-step:last-child{border-right:0}.system-step:hover{background:var(--ink-2)}.system-step>svg{width:34px;height:34px;margin-bottom:26px;color:var(--green)}.system-step>span{display:block;color:#73828a;font-size:11px;letter-spacing:.12em}.system-step strong{display:block;margin:7px 0;font-size:18px}.system-step p{margin:0;color:#9fadb3;font-size:12px;line-height:1.6}.package-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.package-card{position:relative;padding:28px;border:1px solid var(--line);background:#fff}.package-card.featured{border:2px solid var(--green-dark)}.package-tag{display:inline-block;padding:5px 9px;background:var(--ink);color:#fff;font-size:10px;font-weight:800;letter-spacing:.08em}.package-card.featured .package-tag{background:var(--green-dark)}.package-card h3{margin:18px 0 10px;font-size:22px}.package-card>p{min-height:70px;color:var(--muted);font-size:13px;line-height:1.7}.price{margin:18px 0;font-size:27px;font-weight:900}.price small{display:block;color:var(--muted);font-size:11px;font-weight:500}.package-card ul{min-height:186px;padding:18px 0;margin:0 0 20px;border-top:1px solid var(--line);list-style:none}.package-card li{display:flex;gap:7px;margin:10px 0;color:#38464d;font-size:13px}.package-card li svg{color:var(--green-dark)}.package-card .button{width:100%}.page-hero{position:relative;overflow:hidden;padding:92px 0;background:var(--ink);color:#fff;border-bottom:1px solid var(--line-dark)}.page-hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:url(/assets/hero-industrial-blueprint.webp);background-size:cover;background-position:center;opacity:.12;pointer-events:none}.page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:90px;align-items:center}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;color:#91a0a7;font-size:12px}.breadcrumbs span{display:inline-flex;align-items:center;gap:8px}.breadcrumbs a:hover{color:var(--green)}.breadcrumbs b{color:#d4dcdf;font-weight:600}.breadcrumbs em{color:#5f7078;font-style:normal}.page-hero h1{margin:16px 0;font-size:clamp(42px,5vw,68px);line-height:1.1;letter-spacing:-.04em}.page-hero p{max-width:760px;color:#bdc8cd;font-size:18px;line-height:1.8}.page-hero .text-link{color:var(--green)}.page-hero-proof{min-height:250px;padding:35px;display:flex;flex-direction:column;justify-content:flex-end;border:1px solid #53636b;background:#132129e0}.page-hero-proof>svg{width:54px;height:54px;color:var(--green)}.page-hero-proof strong{margin-top:38px;font-size:24px}.page-hero-proof p{margin:8px 0 0;font-size:14px}.case-hero-image{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid #53636b}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.topic-card{min-height:230px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.2s ease}.topic-card:hover{background:var(--ink);color:#fff}.topic-card>span{color:var(--orange);font-size:11px;font-weight:800}.topic-card h3{margin:24px 0 10px;font-size:20px}.topic-card p{color:var(--muted);font-size:14px;line-height:1.7}.topic-card:hover p{color:#abb8bd}.topic-card em{display:flex;align-items:center;gap:7px;margin-top:25px;color:var(--orange);font-size:12px;font-weight:800;font-style:normal}.two-col,.case-detail{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start}.two-col h2,.case-detail h2,.outcome-grid h2,.form-layout h2{margin:10px 0 18px;font-size:38px;line-height:1.25}.lead{color:var(--muted);font-size:17px;line-height:1.9}.check-list{padding:0;margin:28px 0 0;list-style:none}.check-list li{display:flex;align-items:center;gap:11px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}.check-list svg{width:22px;height:22px;padding:4px;border-radius:50%;background:var(--green);color:var(--ink)}.focus-panel{min-height:320px;padding:40px;background:var(--ink);color:#fff}.focus-panel>span{color:var(--green);font-size:11px;font-weight:800;letter-spacing:.1em}.focus-panel h3{margin:65px 0 12px;font-size:30px}.focus-panel p{color:#b1bdc2;line-height:1.8}.focus-panel a{margin-top:25px}.step-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.step-grid article{min-height:225px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.step-grid span{color:var(--orange);font-size:11px;font-weight:800}.step-grid h3{margin:42px 0 12px;font-size:19px}.step-grid p{color:var(--muted);font-size:13px;line-height:1.7}.outcome-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:center}.outcome-grid>div>p{color:var(--muted);line-height:1.8}.outcome-grid ul{display:grid;grid-template-columns:1fr 1fr;padding:0;margin:0;border-top:1px solid var(--line);border-left:1px solid var(--line);list-style:none}.outcome-grid li{display:flex;align-items:center;gap:12px;min-height:100px;padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-weight:700}.outcome-grid svg{width:28px;height:28px;color:var(--green-dark)}.method-list{border-top:1px solid var(--line)}.method-list>div{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}.method-list svg{width:32px;height:32px;color:var(--green-dark)}.method-list strong{font-size:16px}.method-list p{margin:5px 0 0;color:var(--muted);font-size:13px}.notice{display:flex;gap:24px;align-items:flex-start;padding:35px;border-left:5px solid var(--green-dark);background:#fff}.notice>svg{width:45px;height:45px;color:var(--green-dark)}.notice h2{margin:0 0 8px}.notice p{margin:0;color:var(--muted);line-height:1.8}.roi-panel{padding:28px;background:#132129e0;border:1px solid #53636b;color:#fff}.roi-panel.large{padding:45px;background:var(--ink)}.roi-panel h2{margin:8px 0 22px}.roi-panel label{display:grid;grid-template-columns:1fr 1.4fr;align-items:center;gap:20px;margin:12px 0;color:#d4dcdf;font-size:13px}.roi-panel input{min-height:42px;padding:0 12px;background:#22313a;border:1px solid #40525d;color:#fff;outline:none}.roi-panel input:focus{border-color:var(--green)}.roi-result{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;margin-top:22px;padding-top:20px;border-top:1px solid #40515a}.roi-result strong{color:var(--green);font-size:25px}.roi-panel>p{color:#97a6ad;font-size:11px;line-height:1.6}.faq{max-width:920px;border-top:1px solid var(--line)}.faq article{border-bottom:1px solid var(--line)}.faq button{width:100%;display:flex;justify-content:space-between;padding:22px 0;border:0;background:transparent;color:var(--ink);text-align:left;font-size:17px;font-weight:800;cursor:pointer}.faq b{color:var(--orange);font-size:25px}.faq p{margin:-5px 0 22px;max-width:780px;color:var(--muted);line-height:1.8}.seo-faq{background:var(--paper-2)}.related-grid .topic-card{min-height:205px;background:#fff}.form-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}.direct-contact{margin-top:35px;padding:22px;background:var(--paper-2)}.direct-contact strong{display:block;margin-bottom:8px}.direct-contact a{color:var(--orange);font-weight:800}.lead-form{padding:36px;border:1px solid var(--line);background:#fff;box-shadow:0 20px 50px #0f1d2314}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lead-form label{display:grid;gap:8px;color:#334149;font-size:13px;font-weight:700}.lead-form input:not([type=checkbox]),.lead-form select,.lead-form textarea{width:100%;border:1px solid #cbd3d6;background:#fff;padding:12px 13px;color:var(--ink);outline:none}.lead-form input:not([type=checkbox]),.lead-form select{min-height:46px}.lead-form textarea{margin-top:18px;resize:vertical}.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{border-color:var(--green-dark);box-shadow:0 0 0 3px #55ca2821}.lead-form .consent{display:flex;align-items:flex-start;margin:18px 0;font-weight:500;line-height:1.6}.consent input{margin-top:3px}.lead-form .button{width:100%;border:0}.form-message{padding:12px;background:#eaf8ec;color:#247226}.form-message.error{background:#fff0eb;color:#a72f0a}.form-note{color:var(--muted);font-size:11px;line-height:1.7}.hp{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;opacity:0!important}.legal-copy>section{padding:28px 0;border-bottom:1px solid var(--line)}.legal-copy>section h2{margin:0 0 12px;font-size:24px}.legal-copy>section p{margin:0;color:var(--muted);font-size:16px;line-height:2}.legal-copy .updated{color:var(--muted);font-size:12px}.legal-copy .notice{margin-top:35px}.legal-copy .notice a{color:var(--orange);font-weight:800}.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;align-items:start}.sitemap-grid>div{padding-top:20px;border-top:3px solid var(--ink)}.sitemap-grid h2{margin:0 0 15px;font-size:20px}.sitemap-grid a{display:block;padding:8px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}.sitemap-grid a:hover{color:var(--orange)}.cta-band{padding:55px 0;background:var(--ink-2);color:#fff;border-top:1px solid var(--line-dark)}.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:40px}.cta-band span{color:var(--green);font-size:11px;font-weight:800;letter-spacing:.12em}.cta-band h2{margin:9px 0 7px;font-size:29px}.cta-band p{margin:0;color:#9eabb1}.not-found{min-height:70vh;display:grid;place-items:center;padding:80px 20px;text-align:center}.not-found>div>span{color:var(--orange);font-size:90px;font-weight:900}.not-found h1{font-size:40px}.not-found p{color:var(--muted)}.not-found .hero-actions{justify-content:center}footer{padding:70px 0 25px;background:#071014;color:#fff}.footer-grid{display:grid;grid-template-columns:1.8fr repeat(6,1fr);gap:35px}.footer-grid>div:first-child{padding-right:25px}.logo-dark{color:#fff}.footer-grid>div:first-child>p{max-width:340px;color:#8e9ca3;font-size:13px;line-height:1.8}.footer-grid>div:first-child>a{color:var(--green);font-weight:800}.footer-grid h3{margin:0 0 17px;color:#dce3e5;font-size:13px}.footer-grid>div:not(:first-child)>a{display:block;margin:10px 0;color:#819097;font-size:12px}.footer-grid>div:not(:first-child)>a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;margin-top:50px;padding-top:22px;border-top:1px solid #26343b;color:#718087;font-size:11px}.footer-legal{display:grid;gap:9px}.footer-legal a{width:fit-content;color:#8e9ca3}.footer-legal a:hover,.footer-policies a:hover{color:#fff}.footer-policies{display:flex;gap:18px}.wechat-float{position:fixed;right:22px;bottom:22px;z-index:950;min-height:54px;display:inline-flex;align-items:center;gap:9px;padding:0 20px;border:0;border-radius:999px;background:#07c160;color:#fff;box-shadow:0 14px 35px #00000038;cursor:pointer;font:inherit;font-size:13px;font-weight:900}.wechat-float svg{width:23px;height:23px}.wechat-float:hover{background:#06ad56;transform:translateY(-2px)}.wechat-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;display:grid;place-items:center;padding:22px;background:#030c10c7;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.wechat-dialog{position:relative;width:min(760px,100%);overflow:hidden;border:1px solid rgba(255,255,255,.18);background:#fff;box-shadow:0 30px 90px #00000059}.wechat-close{position:absolute;top:14px;right:14px;z-index:2;width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;cursor:pointer}.wechat-close:hover{background:#ffffff1f}.wechat-dialog-head{display:flex;align-items:center;gap:15px;padding:25px 64px 23px 26px;background:#07181f;color:#fff}.wechat-dialog-head>span{width:48px;height:48px;flex:0 0 48px;display:grid;place-items:center;border-radius:50%;background:#07c160}.wechat-dialog-head svg{width:28px;height:28px}.wechat-dialog-head small{color:#73e899;font-weight:800;letter-spacing:.08em}.wechat-dialog-head h2{margin:5px 0 0;font-size:23px;line-height:1.3}.wechat-dialog-body{display:grid;grid-template-columns:260px 1fr;gap:28px;padding:28px}.wechat-qr{display:grid;gap:8px;text-align:center}.wechat-qr img{width:100%;height:auto;border:1px solid #dce4e7}.wechat-qr strong{font-size:14px}.wechat-qr span{color:var(--muted);font-size:11px;line-height:1.6}.wechat-message{display:flex;flex-direction:column;justify-content:center;gap:13px}.wechat-message>span{color:#087c3f;font-size:12px;font-weight:900}.wechat-message textarea{width:100%;min-height:126px;resize:none;padding:14px;border:1px solid #cad5d9;background:#f6f9fa;color:var(--ink);font:inherit;font-size:14px;line-height:1.75}.wechat-message .button{width:100%;border:0;background:#07c160}.wechat-message .button:hover{background:#06ad56}.wechat-message p{margin:0;color:var(--muted);font-size:11px;line-height:1.65}@media(max-width:1180px){.main-nav{position:fixed;top:72px;right:0;bottom:0;width:min(390px,100%);padding:18px;display:none;flex-direction:column;justify-content:flex-start;overflow-y:auto;background:var(--ink)}.main-nav.is-open{display:flex}.nav-item{display:block}.nav-item>a{min-height:50px;justify-content:space-between;padding:0 8px;border-bottom:1px solid var(--line-dark)}.mega-menu{position:static;width:100%;transform:none;display:none;grid-template-columns:1fr;opacity:1;visibility:visible;pointer-events:auto;box-shadow:none}.nav-item:focus-within .mega-menu{display:grid;transform:none}.mega-intro{display:none}.mega-links{grid-template-columns:1fr;padding:7px}.mega-links span{display:none}.menu-button{display:inline-flex;margin-left:auto}.header-inner>.button{display:none}.channel-grid{grid-template-columns:repeat(3,1fr)}.channel:nth-child(3){border-right:0}.channel:nth-child(-n+3){border-bottom:1px solid var(--line)}.system-steps{grid-template-columns:repeat(3,1fr)}.system-step:nth-child(3){border-right:0}.system-step:nth-child(-n+3){border-bottom:1px solid var(--line-dark)}.package-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr repeat(3,1fr)}}@media(max-width:900px){.container{width:min(calc(100% - 36px),var(--container))}.section{padding:65px 0}.hero-grid,.page-hero-grid,.two-col,.case-detail,.outcome-grid,.form-layout{grid-template-columns:1fr;gap:45px}.hero-grid{padding-top:45px}.hero-copy h1{font-size:clamp(40px,8vw,62px)}.calculator-panel.compact{max-width:720px}.evidence-grid{grid-template-columns:1fr}.evidence-grid>div{border-right:0;border-bottom:1px solid var(--line)}.case-grid{grid-template-columns:1fr}.case-card{display:grid;grid-template-columns:42% 58%}.case-card img{height:100%;aspect-ratio:auto}.case-card p{min-height:0}.topic-grid{grid-template-columns:repeat(2,1fr)}.step-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}@media(max-width:640px){.container{width:min(calc(100% - 28px),var(--container))}.header-inner{width:calc(100% - 24px)}.site-header,.header-inner{height:64px}.main-nav{top:64px}.logo{min-width:0}.logo img{width:168px;height:46px}.hero{min-height:auto}.hero-grid{padding:38px 0}.hero-copy h1{font-size:37px}.hero-copy>p,.page-hero p{font-size:16px}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .button,.hero-actions .text-link{width:100%;justify-content:center}.trust-points{display:grid;gap:12px}.path-flow{display:grid;grid-template-columns:1fr 1fr;gap:20px}.path-flow>svg{display:none}.calculator-panel{padding:22px 18px}.panel-heading{display:block}.panel-heading small{display:block;margin-top:6px}.calculator-fields label{grid-template-columns:118px 1fr 24px;gap:7px}.calculator-result strong{font-size:23px}.section-head{align-items:flex-start;flex-direction:column}.section-head h2{font-size:32px}.channel-grid,.system-steps,.package-grid,.topic-grid,.step-grid{grid-template-columns:1fr}.channel,.system-step{border-right:0;border-bottom:1px solid var(--line)}.system-step{min-height:170px}.case-card{display:block}.package-card ul{min-height:0}.page-hero{padding:65px 0}.page-hero h1{font-size:40px}.page-hero-proof{min-height:200px}.two-col h2,.case-detail h2,.outcome-grid h2,.form-layout h2{font-size:31px}.outcome-grid ul,.form-grid{grid-template-columns:1fr}.lead-form{padding:24px 18px}.cta-band .container{align-items:stretch;flex-direction:column}.cta-band .button{width:100%}.footer-grid{grid-template-columns:1fr 1fr}.sitemap-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:1 / -1}.footer-bottom{align-items:flex-start;flex-direction:column;gap:14px}.footer-policies{flex-wrap:wrap}.wechat-float{right:14px;bottom:14px;width:52px;min-height:52px;justify-content:center;padding:0}.wechat-float span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.wechat-overlay{align-items:end;padding:12px}.wechat-dialog{max-height:calc(100vh - 24px);overflow-y:auto}.wechat-dialog-head{padding:21px 54px 19px 18px}.wechat-dialog-head>span{width:42px;height:42px;flex-basis:42px}.wechat-dialog-head h2{font-size:19px}.wechat-dialog-body{grid-template-columns:1fr;gap:20px;padding:20px 18px 22px}.wechat-qr{max-width:220px;margin:0 auto}.wechat-message textarea{min-height:105px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}