@charset "UTF-8";
:root{--yellow:#ffbd16;--black:#000;--ink:#1e1e1b;--muted:#62645e;--line:#e1e3dc;--paper:#fff;--wash:#f5f6f2;--error:#a1261c;--radius:10px;--font:Arial,Helvetica,"Microsoft YaHei",sans-serif;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:116px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent;touch-action:manipulation}a{color:inherit}button{cursor:pointer}svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #916500;outline-offset:4px}input,select,textarea{background:#fff;color:var(--ink)}.wrap{width:min(1180px,calc(100% - 80px));margin-inline:auto}.sr-only,.honeypot{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.skip-link{position:fixed;top:-100px;left:20px;z-index:100;background:var(--yellow);padding:12px 20px}.skip-link:focus{top:12px}.preview-bar{background:var(--black);color:#fff;font-size:12px;line-height:1.5}.preview-inner{display:flex;justify-content:space-between;gap:16px;padding-block:9px}.preview-inner a{white-space:nowrap;text-underline-offset:4px;color:var(--yellow)}.site-header{position:sticky;top:0;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);z-index:20}.header-inner{display:flex;align-items:center;min-height:90px;gap:22px}.brand{display:flex;align-items:center;flex:none}.brand img{width:166px;height:56px;display:block}.brand-description{font-size:13px;border-left:1px solid #bbb;padding-left:20px;color:#595c54;white-space:nowrap}.desktop-nav{display:flex;gap:26px;margin-left:auto;font-size:14px}.desktop-nav a{text-decoration:none;padding-block:12px;border-bottom:2px solid transparent}.desktop-nav a:hover{border-color:var(--yellow);color:#000}.header-tools{display:flex;gap:12px;align-items:center}.header-tools select{font-size:13px;min-height:42px;border:1px solid var(--line);padding:8px 30px 8px 12px;border-radius:5px;max-width:130px}.icon-button{background:transparent;border:0;padding:10px;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}.mobile-menu-button{display:none}.mobile-nav{padding:12px 24px 20px;border-top:1px solid var(--line)}.mobile-nav a{display:block;padding:10px 0;text-decoration:none}.hero{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(320px,1fr);gap:65px;padding-block:74px 68px;align-items:center}.hero-intro{font-size:14px;display:flex;gap:9px;align-items:center;color:#575b52;margin-bottom:24px}.status-dot{width:8px;height:8px;background:#000;border-radius:100%;box-shadow:0 0 0 4px #ffbd163d}.hero h1{font-size:clamp(42px,4.7vw,68px);letter-spacing:-3px;line-height:1.08;font-weight:700;color:#000;margin-bottom:25px}.hero h1 span{display:block}.hero-description{max-width:520px;font-size:18px;line-height:1.65;color:var(--muted)}.hero-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:31px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:13px 22px;border:1px solid transparent;border-radius:5px;font-weight:700;font-size:14px;line-height:1.4;text-align:center;text-decoration:none;transition:background-color .15s,color .15s,border-color .15s}.button-primary{background:var(--yellow);color:#000}.button-primary:hover{background:#e9aa08;border-color:#bf8c0a}.button-secondary{background:#fff;border-color:#c8cbc1;color:#111}.button-secondary:hover{background:#f0f2eb}.text-link{font-size:14px;text-decoration-thickness:1px;text-underline-offset:5px;font-weight:700}.text-link:hover{color:#7b5700}.hero-note{font-size:12px;color:var(--muted);margin-top:17px}.warranty-tile{background:var(--yellow);border-radius:3px;padding:29px 30px;min-height:341px;display:flex;flex-direction:column;justify-content:space-between;color:#000}.tile-top{display:flex;gap:13px;align-items:center;font-size:13px;font-weight:700}.warranty-display{display:flex;gap:22px;align-items:center;margin-block:13px 25px}.warranty-number{font-size:132px;line-height:1;letter-spacing:-10px;font-weight:700;margin-left:-3px}.warranty-display h2{font-size:29px;line-height:1.15;max-width:180px;letter-spacing:-.8px}.warranty-display p{font-size:12px;margin-top:11px;max-width:145px}.tile-bottom{border-top:1px solid #0005;padding-top:17px;font-size:13px}.tile-bottom p{margin-bottom:2px}.tile-bottom a{text-decoration:none;font-weight:700;font-size:16px;overflow-wrap:anywhere}.tile-bottom a:hover{text-decoration:underline;text-underline-offset:4px}.service-strip{border-block:1px solid var(--line);background:#fafbf8}.strip-inner{display:flex;justify-content:space-between;gap:25px;padding-block:21px}.strip-inner>div{display:flex;gap:12px;align-items:center;font-size:13px;color:#454a3e}.strip-inner svg{width:21px;height:21px}.request-section{padding-block:86px 92px;display:grid;grid-template-columns:300px minmax(0,1fr);gap:83px;scroll-margin-top:20px}.section-kicker{font-size:13px;color:#62675a;margin-bottom:14px}.request-aside h2,.answers-header h2,.contact-section h2{font-size:38px;font-weight:700;line-height:1.18;letter-spacing:-1.2px}.request-aside>p:not(.section-kicker){color:var(--muted);font-size:15px;margin-top:18px;max-width:270px}.before-start{margin-top:36px;border-left:3px solid var(--yellow);padding-left:18px}.before-start h3{font-size:14px}.before-start ul{padding-left:18px;color:var(--muted);font-size:14px;margin-block:10px 0}.before-start li{padding-block:3px}.email-aside{margin-top:34px;font-size:13px}.email-aside p{color:var(--muted);margin-bottom:6px}.email-aside a{font-size:14px;font-weight:700;text-underline-offset:4px;overflow-wrap:anywhere}.request-panel{border:1px solid #dce0d5;border-radius:var(--radius);min-width:0;background:#fff;overflow:hidden}#request-form{padding:30px}.form-heading h3{font-size:23px;line-height:1.3;letter-spacing:-.5px}.form-heading p{font-size:13px;color:var(--muted);margin-top:8px;max-width:520px}.required-note{font-size:11px;color:var(--muted);margin-block:20px 15px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px 20px}.field{min-width:0}.span-2{grid-column:1/-1}.field>label{font-size:13px;font-weight:700;display:block;margin-bottom:7px}.field input:not([type=file]),.field select,.field textarea{width:100%;border:1px solid #cfd4c7;border-radius:5px;min-height:46px;padding:10px 12px;font-size:14px;line-height:1.5}.field select{padding-right:28px}.field textarea{resize:vertical;min-height:140px}.field input::placeholder,.field textarea::placeholder{color:#7e8276;opacity:1}.field input:hover,.field textarea:hover,.field select:hover{border-color:#989f8c}.field [aria-invalid=true]{border-color:var(--error);background:#fffcfb}.field-hint{font-size:11px;color:#686f5e;line-height:1.65;margin-top:7px}.field-error{color:var(--error);font-size:12px;display:block;line-height:1.5;margin-top:4px;overflow-wrap:anywhere}.field-error:empty{display:none}.field-meta{display:flex;gap:12px;justify-content:space-between;align-items:flex-start}.field-meta>span:last-child{font-size:11px;color:var(--muted);margin-left:auto;white-space:nowrap}.upload-box{position:relative;display:flex;align-items:center;gap:13px;border:1px dashed #a7af9c;border-radius:6px;background:#fbfcf8;padding:18px 16px;font-size:13px;line-height:1.5}.upload-box p{font-size:11px;color:var(--muted);margin-top:5px}.upload-box input{position:absolute;left:0;top:0;width:100%;height:100%;opacity:0;cursor:pointer}.upload-box:focus-within{outline:3px solid #916500;outline-offset:3px}.upload-box.dragover{background:#fff6d8;border-color:#b38309}.file-button{font-weight:700;text-decoration:underline;text-underline-offset:3px}.file-list{list-style:none;padding:0;margin:8px 0 0;font-size:12px}.file-list li{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line)}.file-list li span{min-width:0;overflow-wrap:anywhere}.file-list button{background:transparent;border:0;text-decoration:underline;font-size:12px;padding:10px;min-height:40px}.consent-label{display:flex;gap:11px;align-items:flex-start;font-size:12px;line-height:1.6;margin-top:24px;cursor:pointer}.consent-label input{width:17px;height:17px;flex:none;margin:2px 0 0;accent-color:#000}.form-footer{border-top:1px solid var(--line);padding-top:23px;margin-top:24px;display:flex;gap:18px;align-items:center}.form-footer .button{flex:none;min-width:216px}.form-footer p{font-size:11px;line-height:1.65;color:var(--muted);max-width:220px}.answers-section{background:var(--wash);padding-block:68px 75px;scroll-margin-top:20px}.answers-header{display:flex;gap:40px;justify-content:space-between;align-items:flex-end;margin-bottom:33px}.answers-header h2{font-size:35px}.faq-search{display:flex;align-items:center;gap:10px;padding:0 14px;border:1px solid #cbd0c2;background:#fff;border-radius:6px;min-height:48px;width:340px;max-width:100%;flex:none}.faq-search input{border:0;background:transparent;min-width:0;width:100%;padding:12px 0;font-size:13px;outline-offset:2px}.faq-list{border-top:1px solid #cdd2c4}.faq-list details{border-bottom:1px solid #cdd2c4}.faq-list summary{position:relative;list-style:none;padding:21px 48px 21px 0;font-size:16px;font-weight:700;cursor:pointer;line-height:1.5}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';position:absolute;right:5px;top:17px;font-size:24px;font-weight:400}.faq-list details[open] summary:after{content:'−'}.faq-list details p{font-size:14px;color:#565e4c;line-height:1.8;max-width:820px;padding:0 45px 23px 0}.faq-empty{padding-block:30px;font-size:15px}.contact-section{padding-block:66px;display:flex;justify-content:space-between;align-items:center;gap:35px}.contact-section h2{font-size:33px}.contact-section p{font-size:14px;color:var(--muted);margin-top:13px}.contact-email{font-size:23px;font-weight:700;letter-spacing:-.6px;text-decoration-thickness:2px;text-underline-offset:8px;overflow-wrap:anywhere}.contact-email:hover{color:#805900}.site-footer{background:#000;color:#fff}.footer-inner{display:flex;align-items:center;gap:30px;min-height:100px}.footer-inner img{width:132px;height:45px}.footer-inner p{font-size:13px;color:#c7cbc1}.footer-inner>span{margin-left:auto;font-size:11px;color:#c7cbc1}dialog{border:1px solid #d7dccd;border-radius:12px;max-width:min(550px,calc(100vw - 32px));padding:40px;color:var(--ink);background:#fff;overscroll-behavior:contain;box-shadow:0 16px 80px #0002}dialog::backdrop{background:#0007}.dialog-close{position:absolute;right:9px;top:9px}.dialog-symbol{display:inline-flex;background:var(--yellow);width:52px;height:52px;align-items:center;justify-content:center;border-radius:100%;margin-bottom:18px}dialog h2{font-size:28px;line-height:1.3;letter-spacing:-.7px}dialog p{font-size:14px;color:var(--muted);margin-top:15px;line-height:1.75}dialog dl{font-size:13px;border-block:1px solid var(--line);margin:24px 0;padding-block:10px;display:grid;grid-template-columns:110px minmax(0,1fr);gap:9px 16px}dialog dt{color:var(--muted)}dialog dd{margin:0;overflow-wrap:anywhere}.dialog-done{width:100%}html[lang=zh] .hero h1{letter-spacing:-1px;font-size:clamp(39px,4.4vw,62px);line-height:1.25}html[lang=zh] .hero-description{font-size:17px}html[lang=zh] .warranty-display h2{font-size:30px}html[lang=zh] .warranty-number{letter-spacing:-7px}
@media(min-width:1500px){.hero{padding-block:86px}.hero h1{font-size:72px}.wrap{width:min(1240px,calc(100% - 100px))}}
@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.brand-description{display:none}.desktop-nav{gap:20px}.hero{gap:32px;grid-template-columns:1.5fr 1fr}.hero h1{font-size:54px}.hero-actions{gap:20px}.request-section{grid-template-columns:250px minmax(0,1fr);gap:40px}.warranty-tile{padding:24px}.warranty-display{gap:15px}.warranty-number{font-size:112px}.warranty-display h2{font-size:26px}.tile-bottom a{font-size:14px}.form-footer{align-items:flex-start;flex-direction:column}.form-footer p{max-width:none}.contact-email{font-size:21px}}
@media(max-width:800px){.desktop-nav{display:none}.header-tools{margin-left:auto}.mobile-menu-button{display:inline-flex}.header-inner{min-height:76px}.brand img{width:145px;height:49px}.hero{grid-template-columns:1fr;gap:35px;padding-block:43px}.hero h1{font-size:clamp(40px,7.4vw,62px)}.hero-description{max-width:620px;font-size:17px}.warranty-tile{min-height:unset;padding:23px;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;align-items:center}.tile-top{grid-column:1/-1}.warranty-display{margin-block:0}.warranty-number{font-size:97px}.warranty-display h2{font-size:24px;max-width:130px}.warranty-display p{font-size:11px;margin-top:5px}.tile-bottom{border-top:0;border-left:1px solid #0004;padding:8px 0 8px 24px;font-size:12px}.strip-inner{gap:20px;justify-content:flex-start;flex-wrap:wrap;padding-block:18px}.strip-inner>div{font-size:12px}.request-section{grid-template-columns:1fr;gap:28px;padding-block:48px 54px}.request-aside>p:not(.section-kicker){max-width:520px}.request-aside h2{font-size:34px}.before-start,.email-aside{display:none}.request-panel{max-width:none}.answers-header{flex-direction:column;align-items:flex-start;gap:25px}.faq-search{width:100%}.contact-section{flex-direction:column;align-items:flex-start;padding-block:45px;gap:26px}.contact-email{font-size:24px}.answers-section{padding-block:45px}.footer-inner{flex-wrap:wrap;gap:12px 22px;padding-block:24px;min-height:100px}.footer-inner>span{margin-left:auto}.footer-inner p{font-size:12px}}
@media(max-width:480px){.wrap{width:calc(100% - 36px)}.preview-bar{font-size:10px}.preview-inner{gap:13px;padding-block:8px}.preview-inner>span{max-width:210px}.header-inner{gap:8px}.header-tools{gap:5px}.header-tools select{font-size:12px;max-width:112px;min-height:40px;padding-left:8px;padding-right:22px}.brand img{width:132px;height:45px}.hero{padding-top:32px;gap:28px}.hero-intro{font-size:12px;margin-bottom:20px}.hero h1{font-size:41px;letter-spacing:-1.7px}.hero-description{font-size:15px}.hero-actions{gap:20px;margin-top:25px}.hero-actions .button{font-size:13px;padding-inline:17px}.text-link{font-size:12px}.hero-note{font-size:11px;margin-top:18px}.warranty-tile{padding:20px;grid-template-columns:1fr;gap:4px}.tile-top{font-size:12px}.warranty-display{gap:22px;margin-top:10px}.warranty-number{font-size:95px}.warranty-display h2{max-width:160px}.tile-bottom{border-left:0;border-top:1px solid #0004;padding:14px 0 0;margin-top:12px}.tile-bottom p{display:inline;margin-right:9px}.tile-bottom a{font-size:13px}.strip-inner{gap:11px;padding-block:17px}.strip-inner>div{width:100%;font-size:12px}.strip-inner svg{width:19px;height:19px}.section-kicker{font-size:12px;margin-bottom:10px}.request-aside h2,.answers-header h2{font-size:31px}.request-aside>p:not(.section-kicker){font-size:14px;margin-top:13px}#request-form{padding:22px 18px}.form-grid{grid-template-columns:1fr;gap:17px}.form-heading h3{font-size:21px}.form-heading p{font-size:12px}.field input:not([type=file]),.field select,.field textarea{font-size:16px}.field>label{font-size:12px}.upload-box{padding:16px 12px;gap:10px}.upload-box p{font-size:10px}.form-footer .button{width:100%}.consent-label{font-size:11px}.faq-list summary{font-size:14px;padding-block:19px}.faq-list details p{font-size:13px;padding-right:12px}.contact-email{font-size:21px}.contact-section h2{font-size:30px}.contact-section p{font-size:13px}.footer-inner p{width:calc(100% - 160px);font-size:11px}.footer-inner>span{margin-left:0;width:100%;font-size:10px}dialog{padding:34px 23px 26px}dialog h2{font-size:25px}html[lang=zh] .hero h1{font-size:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media(max-width:480px){html[lang=zh] .hero h1{font-size:35px}.warranty-display p{max-width:175px}}

.button:disabled{opacity:.65;cursor:wait}.server-message{padding:14px 16px;margin-top:20px;border:1px solid #e4bd57;background:#fff7de;color:#664900;border-radius:5px;font-size:13px;line-height:1.7}.login-wrap{max-width:440px;width:calc(100% - 40px);margin:75px auto}.login-wrap .brand{margin-bottom:24px}.login-panel{border:1px solid var(--line);padding:30px;border-radius:10px}.login-panel h1{font-size:26px;margin-bottom:10px}.login-panel>p{font-size:13px;color:var(--muted);margin-bottom:22px}.login-panel .field{margin-top:18px}.login-panel .button{width:100%;margin-top:24px}.privacy-wrap{max-width:800px;padding-block:55px}.privacy-wrap h1{font-size:32px;margin-bottom:25px}.privacy-wrap h2{font-size:19px;margin-block:25px 10px}.privacy-wrap p{margin-block:12px;line-height:1.8}.privacy-wrap .brand{margin-bottom:32px}