:root{--ink:#183d35;--text:#344e47;--muted:#6d7a74;--paper:#f8f7f2;--white:#fffefa;--line:#dedfd5;--lime:#d9eaa7;--serif:Georgia,'Songti SC',STSong,serif;--sans:Inter,-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #89a765;outline-offset:5px}input:focus-visible,select:focus-visible{outline:2px solid #89a765;outline-offset:2px}[hidden]{display:none!important}.shell{width:min(1160px,calc(100% - 104px));margin-inline:auto}
.preview-banner{display:flex;align-items:center;justify-content:center;gap:10px;min-height:34px;padding:8px 20px;background:#e7ebdf;color:#4b5d50;font-size:11px;letter-spacing:.03em}.preview-banner strong{font-weight:650}.preview-dot{width:5px;height:5px;background:#6a825c;border-radius:100%}.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:25px}.brand{display:flex;align-items:center;gap:11px;font-size:24px;font-weight:700;letter-spacing:-1px;line-height:1.1}.brand-mark{font-family:var(--serif);font-style:italic;font-size:39px;background:var(--ink);color:var(--paper);width:43px;height:43px;border-radius:12px;display:flex;align-items:center;justify-content:center;padding-right:2px;line-height:1}.brand-mark span{color:var(--lime);font-size:27px;align-self:flex-end;margin-bottom:6px}.brand-ai{font-weight:400}.brand small{display:block;font-size:10px;letter-spacing:1.5px;font-weight:400;margin-top:5px;color:var(--muted)}nav{display:flex;align-items:center;gap:33px;font-size:12px;color:var(--muted)}nav a{padding:8px 0}nav a.active{color:var(--ink)}nav a:hover{color:var(--ink)}.button{border:0;border-radius:6px;min-height:44px;display:inline-flex;justify-content:center;align-items:center;gap:12px;padding:12px 19px;font-size:12px;font-weight:550;transition:background .18s,transform .18s}.button:active{transform:translateY(1px)}.button-primary{background:var(--ink);color:#fffefa}.button-primary:hover{background:#2c5449}.button-outline{border:1px solid #c9cec2;background:transparent;color:var(--ink)}.button-outline:hover{background:#e9eddf}.header-order{min-height:38px;font-size:11px;padding:9px 14px;gap:8px}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding-top:71px;padding-bottom:76px}.hero-copy{padding-bottom:16px}.eyebrow{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:2px;font-weight:550;line-height:1.7;margin:0 0 24px}.eyebrow>span{width:5px;height:5px;background:var(--ink);border-radius:100%}.hero h1{font-size:clamp(45px,4.5vw,66px);font-weight:500;letter-spacing:-3px;line-height:1.34;margin:0 0 26px}.serif{font-family:var(--serif);font-weight:400}.hero h1 .serif{font-weight:500}.hero-description{color:var(--muted);font-size:14px;line-height:1.95;margin:0 0 28px}.text-link{display:inline-flex;gap:28px;align-items:center;border:0;border-bottom:1px solid #9da99b;background:transparent;padding:0 0 9px;color:var(--ink);font-size:12px;font-weight:550;text-align:left}.text-link span{font-size:19px;font-weight:400}.hero-caption{display:flex;align-items:center;gap:13px;color:#849082;font-size:8px;letter-spacing:1.8px;margin-top:63px}.caption-line{width:36px;height:1px;background:#a5afa0}.product-composition{position:relative;padding:26px 22px 19px 5px}.product-card{position:relative;z-index:1;background:var(--white);border:1px solid #d7dccc;border-radius:13px;padding:27px 31px 24px;box-shadow:0 16px 38px -28px #3b4a3b55;transform:rotate(-1deg)}.product-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.product-kind{font-size:8px;letter-spacing:1.55px;color:#7a897e}.product-badge{font-size:9px;letter-spacing:.5px;background:#edf2df;color:#586b43;padding:6px 8px;border-radius:3px;white-space:nowrap}.product-symbol{width:67px;height:67px;background:#eaf0de;border-radius:18px;margin-top:29px;margin-bottom:22px;display:flex;align-items:center;justify-content:center}.product-symbol svg{width:44px;height:44px;fill:none;stroke:#446343;stroke-width:1.3;stroke-linecap:round}.product-label{font-size:10px;letter-spacing:.5px;color:var(--muted);margin:0 0 8px}.product-card h2{font-size:34px;letter-spacing:-1.5px;font-weight:600;margin:0 0 7px;line-height:1.2}.product-card h2 span{font-family:var(--serif);font-weight:400}.product-description{font-size:12px;color:var(--muted);margin:0}.price-row{display:flex;align-items:baseline;gap:10px;margin-top:22px}.price{display:flex;align-items:baseline;font-size:63px;letter-spacing:-3px;line-height:1;font-weight:500}.currency{font-size:23px;letter-spacing:-1px;margin-right:5px}.price-decimal{font-size:21px;letter-spacing:-.5px}.price-unit{font-size:10px;color:var(--muted)}.product-divider{height:1px;background:var(--line);margin:23px 0 17px}.product-features{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:12px;font-size:11px;color:#516153}.product-features li{display:flex;align-items:center;gap:11px}.product-features li span{font-size:8px;color:#85947f}.buy-button{width:100%;justify-content:space-between;min-height:47px}.buy-button>span{font-size:20px;font-weight:400}.payment-label{font-size:9px;text-align:center;color:#96a08e;margin:16px 0 8px}.payment-chips{display:flex;gap:17px;justify-content:center;font-size:9px;color:#71806d}.payment-chips>span{display:flex;align-items:center;gap:4px}.alipay-icon{display:inline-flex;align-items:center;justify-content:center;font-size:9px;font-weight:550;width:14px;height:14px;color:#fff;background:#5188af;border-radius:3px;font-style:normal}.orbit{position:absolute;background:#e7edd7;border-radius:50%;pointer-events:none}.orbit-one{width:210px;height:210px;right:-6px;top:-4px}.orbit-two{width:108px;height:108px;bottom:0;left:-29px;background:#e7e4d8}.floating-note{position:absolute;z-index:2;right:-34px;top:77px;font-family:var(--serif);font-style:italic;font-size:14px;transform:rotate(9deg);color:#727e59;writing-mode:vertical-rl;letter-spacing:.6px}.card-footnote{display:block;font-size:8px;color:#7f8977;font-family:var(--serif);font-style:italic;letter-spacing:.6px;margin-top:19px;text-align:center;position:relative;z-index:1}
.value-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:27px}.value-strip>div{display:flex;align-items:center;justify-content:center;gap:16px}.value-strip>div+div{border-left:1px solid var(--line)}.value-icon{font-family:var(--serif);font-size:27px;color:#83946e}.value-strip strong{font-size:12px;font-weight:550}.value-strip p{margin:6px 0 0;font-size:10px;color:var(--muted)}.how-section{padding-block:81px 72px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.section-heading .eyebrow,.faq-intro .eyebrow{font-size:9px;color:#7e8a72;margin-bottom:14px;letter-spacing:1.6px}.section-heading h2,.faq-intro h2{font-size:29px;letter-spacing:-.8px;font-weight:500;line-height:1.55;margin:0}.section-heading>p{color:var(--muted);font-size:11px;margin:0 0 8px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:34px}.steps article{border-top:1px solid #cbd2c2;padding-top:19px}.step-index{font-family:var(--serif);font-size:23px;color:#82966d}.steps h3{font-weight:550;font-size:14px;margin:20px 0 11px}.steps p{font-size:11px;color:var(--muted);line-height:1.9;max-width:270px;margin:0}.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;padding-block:52px 76px;border-top:1px solid var(--line)}.faq-intro>p:not(.eyebrow){font-size:11px;line-height:1.9;color:var(--muted);margin:23px 0}.faq-intro .text-link{font-size:10px;gap:15px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:15px;list-style:none;font-size:12px;padding:20px 0;cursor:pointer;line-height:1.5}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:19px;color:#8e9b83;font-weight:300}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details p{font-size:11px;color:var(--muted);line-height:1.95;margin:0 25px 20px 0}.closing{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:30px 32px;background:#eaf0dd;border:1px solid #e0e6d3;border-radius:7px}.closing>p{font-size:11px;margin:0}.closing>.serif{font-size:20px;font-style:italic;color:#7d8e61}.closing>.button{font-size:10px}.site-footer{padding-block:41px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-brand{font-size:21px;gap:0}.footer-brand small{margin-left:9px;font-size:8px;letter-spacing:1px}.site-footer>p{font-size:9px;color:#89917f}.footer-link{background:none;border:0;color:#7f8b76;font-size:9px;padding:7px 0}.footer-link:hover{text-decoration:underline}
dialog{border:1px solid #d8dece;border-radius:13px;padding:0;width:min(480px,calc(100% - 32px));max-height:calc(100dvh - 40px);color:var(--ink);background:var(--white);box-shadow:0 20px 80px #10201933}dialog::backdrop{background:#10201980;backdrop-filter:blur(5px)}body:has(dialog[open]){overflow:hidden}.dialog-wrap{padding:32px;position:relative}.dialog-close{position:absolute;top:15px;right:16px;width:32px;height:32px;background:#eef1e7;border:0;border-radius:50%;font-size:25px;color:#7f8e75;font-weight:300;line-height:1}.dialog-wrap>.eyebrow{font-size:8px;color:#859776;margin-bottom:10px}.dialog-wrap>h2{font-size:26px;letter-spacing:-.7px;font-weight:550;margin:0 0 20px}.dialog-notice{padding:11px 12px;background:#eff2e5;font-size:10px;color:#64774e;line-height:1.7;border-radius:4px;margin-block:14px}.order-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;border-block:1px solid var(--line);padding:18px 0;margin:19px 0}.order-summary>div{display:grid;gap:7px}.order-summary strong{font-size:15px;font-weight:600}.order-summary span{font-size:10px;color:var(--muted)}.order-summary>b{font-size:22px;letter-spacing:-.7px;font-weight:550}form>label,#network-field>label{display:block;font-size:11px;margin:17px 0 8px;font-weight:550}label>span:not(.payment-options span){font-weight:400}form>label>span,legend>span{font-size:9px;color:#89927d;margin-left:5px}input:not([type=checkbox],[type=radio]),select{border:1px solid #d9dfcf;border-radius:5px;background:#fffefa;width:100%;padding:12px;color:var(--ink);font-size:12px;min-height:43px}input::placeholder{color:#a1aa97}fieldset{border:0;padding:0;margin:20px 0 0;min-width:0}legend{font-size:11px;font-weight:550;margin-bottom:10px;padding:0}.payment-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.payment-options>label{border:1px solid #d9dfcf;padding:12px;display:flex;align-items:center;gap:8px;border-radius:5px;cursor:pointer}.payment-options>label:has(input:checked){border-color:#6b875b;background:#f0f5e7}.payment-options input{margin:0;accent-color:var(--ink)}.payment-options span{display:flex;align-items:center;gap:5px;font-size:11px}.checkbox-row{display:flex!important;gap:8px;align-items:flex-start;line-height:1.7}.checkbox-row input{accent-color:var(--ink);margin:2px 0 0;flex-shrink:0}.checkbox-row span{font-size:10px;color:var(--muted);margin:0}.form-submit{width:100%;margin-top:14px;justify-content:space-between}.button-outline.form-submit{justify-content:center;margin-top:8px}.form-caption{font-size:9px;text-align:center;color:#939e85;line-height:1.7;margin:13px 0 0}.form-error{font-size:11px;line-height:1.7;background:#faeee8;color:#9b4d36;padding:10px;border-radius:4px;margin:14px 0 0}.field-note{font-size:10px;color:var(--muted);line-height:1.8;margin:8px 0 0}.receipt-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:#eaf0df;color:#708f53;font-size:25px;margin-bottom:23px}.receipt-description{font-size:12px;line-height:1.8;color:var(--muted);margin:0 0 19px}.receipt-details{margin:18px 0}.receipt-details>div{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid #eceee5;font-size:11px}.receipt-details dt{color:var(--muted);white-space:nowrap}.receipt-details dd{margin:0;max-width:75%;text-align:right;overflow-wrap:anywhere}.status-tag{display:inline-block;color:#7b713a;background:#f3f0dd;padding:5px 7px;border-radius:3px;white-space:nowrap;font-size:10px}#lookup-result{border-top:1px solid var(--line);margin-top:23px;padding-top:18px}.lookup-result-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.lookup-result-title strong{font-size:12px;font-weight:550}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:10;background:var(--ink);color:#fffefa;padding:12px 19px;border-radius:6px;box-shadow:0 5px 30px #12291d22;font-size:12px;max-width:calc(100% - 40px);text-align:center}
@media(min-width:1450px){.hero{gap:110px}.product-composition{padding-right:35px;padding-left:15px}.hero h1{font-size:70px}.hero-description{font-size:15px}}
@media(max-width:1000px){.shell{width:calc(100% - 64px)}.hero{gap:33px;padding-top:50px;padding-bottom:54px}.hero h1{font-size:50px;letter-spacing:-2px}.product-card{padding:24px}.floating-note{right:-12px;font-size:11px}.product-composition{padding-right:10px}.closing>.serif{display:none}.faq-section{gap:50px}.product-kind{font-size:7px}.site-header nav{gap:22px}}
@media(max-width:700px){.shell{width:calc(100% - 40px)}.preview-banner{font-size:9px;gap:7px;min-height:31px;padding:7px 10px}.preview-dot{display:none}.site-header{height:81px;gap:10px}.brand{font-size:22px;gap:8px}.brand-mark{width:36px;height:36px;font-size:34px;border-radius:10px}.brand-mark span{font-size:23px;margin-bottom:4px}.brand small{font-size:8px;margin-top:4px;letter-spacing:1.3px}.site-header nav{display:none}.header-order{font-size:10px;min-height:35px;padding:8px 11px;gap:6px}.header-order svg{width:14px;height:14px}.hero{grid-template-columns:1fr;gap:20px;padding-top:40px;padding-bottom:37px}.hero-copy{padding-bottom:0}.hero .eyebrow{font-size:9px;letter-spacing:1.4px;margin-bottom:20px}.hero h1{font-size:clamp(32px,10.6vw,44px);line-height:1.28;margin-bottom:21px}.hero-description{font-size:12px;line-height:1.9;margin-bottom:20px}.desktop-break{display:none}.hero-caption{display:none}.text-link{font-size:11px;gap:20px}.product-composition{padding:23px 13px 13px 3px;max-width:440px;width:100%;margin-inline:auto}.product-card{padding:24px 25px 20px}.product-kind{font-size:8px}.product-symbol{margin-top:21px;margin-bottom:18px;width:58px;height:58px;border-radius:16px}.product-symbol svg{width:37px;height:37px}.product-card h2{font-size:33px}.price{font-size:58px}.product-features{font-size:11px;margin-bottom:20px}.product-divider{margin:21px 0 17px}.floating-note{right:-10px;top:55px;font-size:10px}.orbit-one{width:170px;height:170px}.orbit-two{width:80px;height:80px;left:-13px}.value-strip{gap:12px;padding-block:20px}.value-strip>div{flex-direction:column;gap:7px;text-align:center;justify-content:flex-start}.value-strip strong{font-size:11px}.value-strip p{font-size:9px;line-height:1.7;margin-top:5px}.value-icon{font-size:23px;line-height:1}.value-strip>div+div{padding-left:10px}.how-section{padding-block:48px 42px}.section-heading{display:block}.section-heading h2,.faq-intro h2{font-size:25px}.section-heading>p{font-size:10px;margin-top:10px}.section-heading .eyebrow,.faq-intro .eyebrow{font-size:8px;letter-spacing:1.5px;margin-bottom:12px}.steps{grid-template-columns:1fr;gap:20px;margin-top:27px}.steps article{display:grid;grid-template-columns:44px 1fr;column-gap:12px;align-items:baseline;padding-top:16px}.step-index{grid-row:1/3;font-size:23px}.steps h3{font-size:13px;margin:0 0 6px}.steps p{font-size:11px;max-width:none}.faq-section{grid-template-columns:1fr;gap:25px;padding-block:35px 40px}.faq-intro h2 br{display:none}.faq-intro>p:not(.eyebrow){font-size:10px;margin:12px 0}.faq-intro>p br{display:none}.faq-intro .text-link{font-size:10px}.faq-list summary{font-size:11px;padding-block:17px}.faq-list details p{font-size:10px}.closing{padding:23px 20px;gap:17px;justify-content:center;text-align:center}.closing>p{font-size:10px;width:100%}.closing>.button{font-size:11px;width:100%}.site-footer{flex-wrap:wrap;justify-content:space-between;padding-block:27px;gap:16px}.footer-brand{font-size:20px}.site-footer>p{font-size:8px;margin:0}.footer-link{font-size:9px;width:100%;text-align:left;border-top:1px solid var(--line);padding-top:13px}.dialog-wrap{padding:28px 22px}.dialog-wrap>h2{font-size:23px}.dialog-notice{font-size:10px}.receipt-details>div{font-size:10px}.lookup-result-title{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.footer-links { display:flex; gap:20px; flex-wrap:wrap; font-size:12px; }
.secret-code { word-break:break-all; font-family:monospace; font-size:13px; }
.payment-paused { background:var(--paper,#f2f1e9); border:1px solid #d5ddd5; border-radius:12px; padding:16px; margin:20px 0; }
.payment-paused p { margin:6px 0 0; font-size:13px; color:#5d7067; }
.timeline { padding-left:22px; margin:24px 0 0; }
.timeline li { border-left:1px solid #d5ddd5; padding:0 0 20px 14px; }
.timeline p { white-space:pre-wrap; font-size:14px; line-height:1.6; margin:8px 0; overflow-wrap:anywhere; }
.timeline small { color:#718078; font-size:11px; }