@font-face{font-family:HomeDisplay;src:url('/fonts/home-cjk.woff2') format('woff2');font-weight:400 900;font-display:swap}@font-face{font-family:HomeLatin;src:url('/fonts/home-latin.woff2') format('woff2');font-weight:400 800;font-display:swap}
:root{--ink:#18372e;--muted:#5a6c63;--green:#087a62;--line:#dfe7e1;--page:#f5f7f4;--dark:#042219;font-family:HomeLatin,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--page);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,a,select,input,summary{-webkit-tap-highlight-color:transparent}button,a,select,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #e3a863;outline-offset:4px}[hidden]{display:none!important}svg{width:20px;height:20px;flex-shrink:0}button{cursor:pointer}select{cursor:pointer}.home-container,.header-inner,.hero-inner{max-width:1216px;margin:0 auto;padding:0 32px}.site-header{position:sticky;top:0;z-index:20;background:var(--dark);color:#fff}.header-inner{min-height:76px;display:flex;align-items:center;gap:38px}.home-brand{display:inline-flex;align-items:center;gap:9px;font-family:HomeLatin,sans-serif;font-weight:800;font-size:23px;letter-spacing:-.03em;white-space:nowrap}.home-brand img{display:block}.site-nav{display:flex;align-items:center;gap:28px;margin-right:auto;white-space:nowrap}.site-nav a{font-size:14px;color:#c8d8d0;padding:27px 0;position:relative}.site-nav a[aria-current],.site-nav a:hover{color:#fff}.site-nav a[aria-current]:after{content:"";position:absolute;height:3px;border-radius:2px;background:#a5e3bf;left:0;right:0;bottom:13px}.header-controls{display:flex;align-items:center;gap:12px}.header-controls select{color:#e8f3ec;border:1px solid #3d574b;border-radius:7px;background:#0c3023;padding:8px 10px;max-width:123px;font-size:12px}.select-label{display:flex;align-items:center;gap:7px}.select-label svg{width:17px}.account-link{display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:13px}.account-link svg{width:18px}.home-hero{background:var(--dark);color:#fff;overflow:hidden}.hero-inner{position:relative;min-height:426px;display:flex;align-items:center}.hero-art{position:absolute;width:870px;height:490px;object-fit:cover;right:-95px;top:-30px;pointer-events:none}.hero-copy{position:relative;z-index:1;max-width:520px;padding:44px 0 56px}.hero-copy h1{font-family:HomeDisplay,HomeLatin,sans-serif;font-size:clamp(34px,4vw,51px);font-weight:750;line-height:1.3;letter-spacing:-.025em;margin:0 0 20px;text-wrap:balance}.hero-copy>p{max-width:390px;color:#d7e6de;font-size:16px;line-height:1.9;margin:0 0 26px}.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.button-primary{display:inline-flex;align-items:center;gap:16px;padding:14px 21px;background:#d4f3bd;color:#143b27;border-radius:8px;font-size:14px;font-weight:750;transition:background .2s,transform .2s}.button-primary:hover{background:#e1ffd1;transform:translateY(-2px)}.button-text{font-size:13px;color:#e2eee6;text-decoration:underline;text-underline-offset:5px}.hero-copy .hero-notice{font-size:11px;color:#c5d9cc;max-width:390px;margin:23px 0 0}.quick-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;background:#fff;margin-top:-22px;z-index:2;border-radius:12px;box-shadow:0 10px 30px #1a39280a;padding:17px 8px}.quick-link{display:flex;align-items:center;gap:12px;padding:10px 16px;min-width:0;transition:background .2s;border-radius:8px}.quick-link:hover{background:#f2f6ef}.quick-link>span:nth-child(2){min-width:0}.quick-link strong{font-size:14px;display:block;font-weight:750}.quick-link small{font-size:10px;display:block;line-height:1.7;color:var(--muted);margin-top:5px}.quick-link>svg{margin-left:auto;width:16px;min-width:16px}.quick-mark{font-size:11px;font-weight:800;color:#194c38;min-width:49px}.quick-claude .quick-mark{color:#89543d;font-family:Georgia,serif;font-size:18px}.quick-grok .quick-mark{color:#161c1b;font-size:18px}.quick-guide .quick-mark{min-width:23px}.quick-link+.quick-link{border-left:1px solid #e8ede6;border-radius:0}.subscriptions{padding-top:58px;scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:26px}.section-heading h2,.home-faq>h2{font-family:HomeDisplay,HomeLatin,sans-serif;font-size:27px;letter-spacing:-.02em;line-height:1.45;margin:0;font-weight:750}.section-heading p{font-size:13px;color:var(--muted);margin:9px 0 0;line-height:1.8}.catalog-search{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:10px 13px;flex-shrink:0;color:#66786c}.catalog-search svg{width:17px;height:17px}.catalog-search input{width:180px;max-width:100%;border:0;background:transparent;color:var(--ink);font-size:13px;min-width:0;outline-offset:7px}.catalog-search input::placeholder{color:#5c6d64}.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:15px}.category-tabs{display:flex;gap:8px;overflow-x:auto;padding:4px}.category-tabs button{display:flex;align-items:center;gap:7px;border:0;border-radius:7px;background:transparent;color:#4e6457;padding:10px 18px;white-space:nowrap;font-size:13px}.category-tabs button svg{width:16px;height:16px}.category-tabs button[aria-pressed=true]{background:#e0eddf;color:#234b31;font-weight:750}.category-tabs button:hover{background:#e8efe5}#product-count{color:var(--muted);font-size:11px;white-space:nowrap}.catalog-state{color:#5f6f64;font-size:11px;margin:15px 4px 19px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:23px}.product-card{background:#fff;border:1px solid #e3e8e0;border-radius:12px;overflow:hidden;transition:border-color .2s,transform .2s}.product-card:hover{border-color:#9db8a4;transform:translateY(-3px)}.product-cover{height:133px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;background:#e7eee5;position:relative;overflow:hidden}.cover-word{font-family:HomeLatin,sans-serif;font-size:29px;font-weight:750;letter-spacing:-.04em}.cover-caption{font-size:8px;letter-spacing:.13em;font-weight:600}.product-cover.gpt{background:#e1eeda;color:#285239}.product-cover.claude{background:#f2e5d9;color:#754e39}.product-cover.claude .cover-word{font-family:Georgia,serif;font-weight:500;font-size:38px}.product-cover.grok{background:#1c2626;color:#f1f3ed}.product-cover.grok .cover-word{font-size:38px;font-weight:500}.product-info{padding:21px}.product-family{font-size:10px;line-height:1.5;margin:0 0 7px;color:var(--muted)}.product-info h3{font-size:17px;font-weight:750;line-height:1.6;min-height:54px;margin:0 0 6px;overflow-wrap:anywhere;letter-spacing:-.01em}.product-description{font-size:11px;color:var(--muted);line-height:1.8;min-height:20px;margin:0 0 19px}.product-price{display:flex;align-items:baseline;gap:5px;flex-wrap:wrap;margin-bottom:19px;color:#213f2c}.product-price strong{font-size:29px;font-weight:750;line-height:1;letter-spacing:-.035em}.price-prefix{font-size:15px}.price-unit{font-size:10px;color:var(--muted)}.product-action{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #e9eee6;padding-top:15px;font-size:12px;font-weight:650}.product-action svg{width:17px}.empty-results{padding:40px;text-align:center;background:#fff;border-radius:12px;color:var(--muted)}.empty-results button{border:1px solid var(--line);border-radius:7px;padding:10px 15px;color:var(--ink);background:#f0f5eb}.reading-section{margin-top:76px}.section-link{display:inline-flex;align-items:center;gap:12px;font-size:13px;color:var(--green);white-space:nowrap}.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.reading-item{display:block;border-top:2px solid #acbfa9;padding:19px 3px 10px;transition:border-color .2s}.reading-item:hover{border-color:#315d40}.reading-topic{font-size:11px;color:#62725d}.reading-item h3{font-family:HomeDisplay,HomeLatin,sans-serif;font-size:19px;line-height:1.6;font-weight:650;margin:12px 0 13px;overflow-wrap:anywhere}.reading-item p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.reading-action{display:flex;align-items:center;justify-content:space-between;color:var(--green);font-size:12px}.home-faq{display:grid;grid-template-columns:1fr 1.8fr;gap:70px;padding:58px 0 76px;margin-top:36px;border-top:1px solid var(--line)}.home-faq details{border-bottom:1px solid var(--line)}.home-faq summary{display:flex;justify-content:space-between;gap:18px;padding:20px 0;cursor:pointer;font-size:14px;font-weight:650;list-style:none}.home-faq summary::-webkit-details-marker{display:none}.home-faq summary span{font-size:21px;font-weight:400}.home-faq details[open] summary span{transform:rotate(45deg)}.home-faq details p{font-size:13px;line-height:1.95;color:var(--muted);margin:0 0 22px;max-width:70ch}.home-footer{background:#eaf0e6;padding:38px 0 23px}.footer-main{display:flex;justify-content:space-between;gap:70px}.footer-main>div{max-width:530px}.footer-main p{font-size:11px;color:#53674e;line-height:1.9;margin:15px 0 25px}.footer-main nav{display:flex;flex-wrap:wrap;gap:20px 28px;align-content:flex-start;padding-top:8px;font-size:12px}.footer-main nav a:hover{text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#53674e;font-size:10px;border-top:1px solid #d4dfce;padding-top:19px}.site-header option{color:#fff}.hero-art{animation:hero-arrive .9s cubic-bezier(.16,1,.3,1)}@keyframes hero-arrive{from{clip-path:inset(0 0 0 24%);filter:blur(5px)}to{clip-path:inset(0);filter:blur(0)}}
@media(min-width:1600px){.hero-art{right:-60px;width:940px;height:529px;top:-42px}.hero-inner{min-height:450px}}
@media(max-width:1100px){.header-inner{gap:24px}.site-nav{gap:18px}.header-controls{gap:9px}.account-link span{display:none}.hero-copy{max-width:480px}.hero-art{right:-190px;width:830px}.quick-link{padding:10px;gap:8px}.quick-mark{min-width:40px;font-size:10px}.quick-link small{font-size:9px}.product-grid{gap:17px}.product-info{padding:17px}.product-info h3{font-size:16px}}
@media(max-width:900px){.header-inner{flex-wrap:wrap;gap:0 20px;padding-top:15px;padding-bottom:10px}.site-nav{order:3;width:100%;justify-content:center;gap:34px}.site-nav a{padding:15px 0 8px}.site-nav a[aria-current]:after{bottom:0}.header-controls{margin-left:auto}.home-brand{font-size:21px}.hero-copy{max-width:440px}.hero-art{opacity:.65;right:-240px}.hero-copy h1{font-size:39px}.hero-copy>p{max-width:330px}.quick-links{grid-template-columns:repeat(2,minmax(0,1fr));padding:8px;gap:4px}.quick-link{padding:12px 16px}.quick-link:nth-child(3){border-left:0}.quick-link small{font-size:11px}.quick-mark{min-width:54px;font-size:12px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.section-heading h2,.home-faq>h2{font-size:24px}.catalog-search input{width:150px}.home-faq{gap:30px}.reading-grid{gap:22px}}
@media(max-width:650px){.home-container,.header-inner,.hero-inner{padding-left:20px;padding-right:20px}.site-header{position:relative}.header-inner{gap:9px 16px}.home-brand{font-size:21px}.home-brand img{width:29px;height:29px}.header-controls{gap:7px}.header-controls select{font-size:10px;padding:7px;max-width:100px}.select-label{gap:4px}.select-label svg{display:none}.account-link svg{width:19px}.site-nav{justify-content:space-between;gap:18px;overflow-x:auto;padding-bottom:3px}.site-nav a{font-size:12px;padding-top:10px}.hero-inner{min-height:560px;align-items:flex-start}.hero-copy{max-width:none;padding-top:35px;padding-bottom:260px;width:100%}.hero-copy h1{font-size:34px;line-height:1.35;max-width:100%;margin-bottom:15px}.hero-copy>p{font-size:13px;max-width:330px;line-height:1.8;margin-bottom:21px}.hero-actions{gap:19px}.button-primary{font-size:12px;padding:12px 16px;gap:12px}.button-text{font-size:11px}.hero-copy .hero-notice{font-size:10px;margin-top:17px;max-width:310px}.hero-art{width:100%;height:280px;right:0;top:auto;bottom:-1px;opacity:1;object-fit:cover;object-position:right center}.quick-links{margin-top:15px;background:transparent;box-shadow:none;gap:0;padding:0;border-bottom:1px solid var(--line);border-radius:0}.quick-link{padding:17px 10px 17px 0;gap:9px;align-items:flex-start}.quick-link strong{font-size:12px}.quick-link small{font-size:10px;margin-top:5px}.quick-link>svg{display:none}.quick-mark{min-width:40px;font-size:10px;margin-top:2px}.quick-claude .quick-mark,.quick-grok .quick-mark{font-size:15px}.quick-link:nth-child(even){padding-left:15px}.quick-guide .quick-mark{min-width:25px}.subscriptions{padding-top:36px}.section-heading{align-items:flex-start;flex-direction:column;gap:15px;margin-bottom:18px}.section-heading h2,.home-faq>h2{font-size:23px}.section-heading p{font-size:12px}.catalog-search{width:100%;padding:11px 13px}.catalog-search input{width:100%;font-size:12px}.catalog-toolbar{display:block;padding-bottom:12px}.category-tabs{gap:2px;margin-left:-4px}.category-tabs button{font-size:12px;padding:9px 12px}.category-tabs button svg{width:14px;height:14px}#product-count{display:block;margin:10px 0 0 6px;font-size:10px}.catalog-state{font-size:10px;margin:12px 3px 16px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.product-cover{height:100px;gap:8px}.cover-word{font-size:24px}.cover-caption{font-size:7px}.product-cover.claude .cover-word,.product-cover.grok .cover-word{font-size:30px}.product-info{padding:14px}.product-family{font-size:9px}.product-info h3{font-size:14px;line-height:1.55;min-height:44px;margin-bottom:7px}.product-description{font-size:10px;min-height:36px;margin-bottom:16px}.product-price{gap:4px;margin-bottom:15px}.product-price strong{font-size:25px}.price-prefix{font-size:12px}.price-unit{font-size:9px}.product-action{font-size:11px;padding-top:12px}.reading-section{margin-top:46px}.reading-section .section-heading{gap:13px}.reading-grid{grid-template-columns:1fr;gap:15px}.reading-item{padding:15px 2px}.reading-item h3{font-size:18px;margin:9px 0}.home-faq{grid-template-columns:1fr;gap:10px;margin-top:28px;padding:33px 0 43px}.home-faq summary{font-size:13px;padding:17px 0}.home-faq details p{font-size:12px}.home-footer{padding-top:29px}.footer-main{display:block}.footer-main nav{gap:17px 24px;padding:0 0 24px}.footer-bottom{display:block;line-height:1.9}.footer-bottom span{display:block;margin:3px 0}.empty-results{padding:24px 16px;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}