:root{--ink:#101828;--muted:#667085;--line:#e5e9ef;--paper:#f5f7fa;--white:#fff;--blue:#3f62f6;--blue-dark:#263fc7;--green:#18a957;--orange:#e7774f;--shadow:0 24px 80px rgba(16,24,40,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei UI","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}button,a{font:inherit}button{cursor:pointer}.site-header{height:72px;max-width:1180px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;text-decoration:none;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:var(--ink);color:#fff}.brand-mark img{width:25px;height:25px;filter:brightness(0) invert(1)}.site-header nav{display:flex;align-items:center;gap:28px}.site-header nav a,.text-button{border:0;background:none;color:#475467;text-decoration:none;font-size:14px}.site-header nav a:hover,.text-button:hover{color:var(--ink)}
main{max-width:1180px;margin:auto;padding:0 20px}.hero{min-height:510px;padding:70px 56px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:75px;border:1px solid var(--line);border-radius:28px;background:var(--white);overflow:hidden}.eyebrow{margin:0 0 20px;font-family:Consolas,monospace;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--blue)}h1{margin:0;font-size:clamp(48px,6vw,78px);line-height:1.06;letter-spacing:-.065em}h1 span{color:var(--blue)}.hero-description{max-width:480px;margin:26px 0 32px;color:var(--muted);font-size:17px;line-height:1.8}.primary-button{display:inline-flex;align-items:center;gap:48px;padding:15px 18px 15px 22px;border-radius:11px;background:var(--ink);color:#fff;text-decoration:none;font-weight:700;transition:transform .2s,background .2s}.primary-button:hover{background:var(--blue);transform:translateY(-2px)}.hero-ticket{min-height:335px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;border-radius:24px;background:var(--blue);color:#fff;transform:rotate(3deg);box-shadow:16px 24px 50px rgba(63,98,246,.25);position:relative;overflow:hidden}.hero-ticket:after{content:"";position:absolute;width:240px;height:240px;right:-70px;bottom:-90px;border:46px solid rgba(255,255,255,.12);border-radius:50%}.ticket-top,.ticket-bottom{display:flex;justify-content:space-between;font-family:Consolas,monospace;font-size:12px;letter-spacing:.08em}.ticket-word{font-family:Arial Black,sans-serif;font-size:clamp(46px,6vw,76px);letter-spacing:-.08em;position:relative;z-index:1}
.products-section{padding:110px 0 100px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:36px}.section-heading .eyebrow{margin-bottom:10px}.section-heading h2{margin:0;font-size:42px;letter-spacing:-.045em}.section-heading>p{margin:0;color:var(--muted);font-size:14px}.filters{display:flex;gap:8px;margin-bottom:20px}.filter{padding:9px 17px;border:1px solid var(--line);border-radius:99px;background:#fff;color:var(--muted);font-size:13px}.filter.active{border-color:var(--ink);background:var(--ink);color:#fff}.product-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product{min-height:250px;padding:24px;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr auto;align-items:start;gap:20px;border:1px solid var(--line);border-radius:20px;background:#fff;transition:transform .18s,box-shadow .18s,border-color .18s}.product:hover{border-color:#cbd3df;box-shadow:0 18px 40px rgba(16,24,40,.08);transform:translateY(-4px)}.product[hidden]{display:none}.product-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:15px}.product-icon img{width:33px;height:33px}.gpt-icon{background:#edf0ff;color:var(--blue)}.gpt-icon img{filter:invert(36%) sepia(93%) saturate(2441%) hue-rotate(222deg) brightness(98%)}.claude-icon{background:#fff0e9;color:var(--orange)}.product-info{grid-column:1/3}.product-label{display:block;margin-bottom:10px;color:var(--muted);font-family:Consolas,monospace;font-size:11px;letter-spacing:.04em}.product h3{display:block;margin:0 0 14px;font-size:18px;line-height:1.5;letter-spacing:-.01em}.delivery{display:inline-block;padding:5px 9px;border-radius:99px;background:#e8f7ee;color:#158347;font-size:11px;font-weight:700}.product strong{grid-column:2;grid-row:1;font-size:22px;text-align:right}.buy-button{grid-column:1/3;width:100%;padding:12px 16px;border:1px solid #d9dee8;border-radius:10px;background:#fff;color:var(--ink);font-size:13px;font-weight:700}.buy-button:hover{border-color:var(--blue);background:var(--blue);color:#fff}
.floating-wechat{position:fixed;right:24px;top:50%;z-index:20;display:flex;align-items:center;gap:11px;padding:10px 13px 10px 10px;border:0;border-radius:14px;background:var(--ink);color:#fff;box-shadow:0 14px 35px rgba(16,24,40,.25);transform:translateY(-50%);transition:transform .2s}.floating-wechat:hover{transform:translateY(-50%) translateX(-4px)}.wechat-dot{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--green)}.wechat-dot img{width:29px;height:25px;filter:brightness(0) invert(1)}.floating-copy{display:flex;flex-direction:column;align-items:flex-start;font-size:13px;font-weight:700}.floating-copy small{color:#98a2b3;font-size:9px;font-weight:500;letter-spacing:.08em}
.modal{position:fixed;inset:0;z-index:50;display:flex;justify-content:flex-end;visibility:hidden;pointer-events:none}.modal.open{visibility:visible;pointer-events:auto}.modal-backdrop{position:absolute;inset:0;background:rgba(16,24,40,.52);opacity:0;transition:opacity .25s}.modal.open .modal-backdrop{opacity:1}.wechat-panel{width:min(440px,100%);height:100%;padding:50px 38px 30px;background:#fff;position:relative;overflow:auto;transform:translateX(100%);transition:transform .32s cubic-bezier(.2,.8,.2,1)}.modal.open .wechat-panel{transform:none}.wechat-panel h2{margin:0 0 10px;font-size:35px;letter-spacing:-.04em}.wechat-panel>p:not(.eyebrow):not(.scan-tip){margin:0 0 26px;color:var(--muted);font-size:14px;line-height:1.65}.close-button{position:absolute;top:22px;right:22px;width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:25px;line-height:1}.wechat-card-frame{max-height:560px;border:1px solid var(--line);border-radius:18px;overflow:auto;background:#f5f6f8}.wechat-card-frame img{display:block;width:100%;height:auto}.scan-tip{text-align:center;color:var(--muted);font-size:13px}body.modal-open{overflow:hidden}footer{max-width:1140px;margin:auto;padding:30px 0 45px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#98a2b3;font-size:12px}
button:focus-visible,a:focus-visible{outline:3px solid rgba(63,98,246,.35);outline-offset:3px}
@media(max-width:900px){.product-list{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.site-header{height:62px}.site-header nav a{display:none}.hero{min-height:auto;padding:50px 26px 44px;grid-template-columns:1fr;gap:48px}.hero-ticket{min-height:240px}.products-section{padding:75px 0}.section-heading{align-items:start}.section-heading>p{display:none}.product-list{grid-template-columns:1fr}.product{min-height:230px;padding:20px}.floating-wechat{right:12px;top:auto;bottom:16px;transform:none}.floating-wechat:hover{transform:translateY(-3px)}footer{margin:0 20px}.wechat-panel{padding:48px 24px 25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.gpt-icon img{width:35px;height:35px;object-fit:contain;filter:none}
.claude-icon img{width:36px;height:36px;object-fit:contain}.product-tags{display:flex;flex-wrap:wrap;gap:7px}.invoice{display:inline-block;padding:5px 9px;border-radius:99px;background:#edf0ff;color:var(--blue-dark);font-size:11px;font-weight:700}
.seo-section{margin:0 0 100px;padding:52px;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;border:1px solid var(--line);border-radius:24px;background:#fff}.seo-intro .eyebrow{margin-bottom:12px}.seo-intro h2{margin:0 0 18px;font-size:32px;line-height:1.25;letter-spacing:-.04em}.seo-intro>p:last-child{margin:0;color:var(--muted);font-size:14px;line-height:1.9}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{padding:20px 34px 20px 0;position:relative;cursor:pointer;font-size:15px;font-weight:700;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:4px;top:17px;color:var(--blue);font-size:22px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list details p{margin:0;padding:0 35px 20px 0;color:var(--muted);font-size:13px;line-height:1.75}
@media(max-width:700px){.seo-section{padding:30px 24px;grid-template-columns:1fr;gap:35px}.seo-intro h2{font-size:27px}}