:root{--paper:#f7f3ee;--green:#087746;--purple:#a639df;--ink:#19251f;--mint:#bde3cb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 system-ui,-apple-system,'PingFang SC',sans-serif}a{color:inherit}button,input,select{font:inherit}a{text-decoration:none}header{display:flex;align-items:center;justify-content:space-between;padding:20px 5%;border-bottom:1px solid #dce0d5;gap:20px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;line-height:1.2}.logo img{width:42px}nav{display:flex;align-items:center;gap:25px;font-size:14px}.wrap{max-width:1200px;margin:auto;padding:0 30px}.btn,button{display:inline-block;border:1px solid var(--purple);background:var(--purple);color:white;padding:12px 23px;border-radius:5px;font-weight:650;cursor:pointer}.outline{background:transparent;color:var(--green);border-color:var(--green)}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--green);font-weight:800}h1,h2{font-family:Georgia,'Songti SC',serif;color:var(--green);font-weight:700;line-height:1.15}h1{font-size:clamp(42px,6vw,78px);margin:18px 0 30px;letter-spacing:-2px}h2{font-size:clamp(30px,4vw,48px);margin:0 0 20px}h3{font-size:23px;line-height:1.35}.lead{font-size:19px;color:#4a5750;max-width:650px}.hero{padding:64px 0 75px;display:grid;grid-template-columns:1.05fr 1fr;gap:65px;align-items:center}.hero .btn{margin:18px 8px 0 0}.swoosh{background:linear-gradient(transparent 75%,#d7b3ee 75%,#d7b3ee 91%,transparent 91%)}.collage{position:relative;padding:28px 20px 15px 0}.paper{background:white;border:1px solid #cbd9ce;box-shadow:8px 10px 0 #c5dfcd;border-radius:12px;padding:25px}.paper h3{font-family:Georgia,serif;font-size:30px}.paper .line{border-bottom:1px solid #e7ece7;padding:11px 0}.tag{display:inline-block;border:1px solid #a7c4b2;color:#096139;font-size:12px;padding:3px 10px;border-radius:20px;background:white}.floating{position:absolute;right:-8px;top:0;background:#eedbfa;border:1px solid #c692dd;padding:9px 15px;transform:rotate(7deg);font-weight:700}.mini-note{margin:22px 0 0 45px;background:#e6f3e9;padding:18px 22px;border-left:4px solid var(--green)}.strip{border-top:1px solid #ccdacd;border-bottom:1px solid #ccdacd;padding:22px 0}.strip .wrap{display:flex;justify-content:space-between;gap:20px;font-size:14px}.strip strong{font-size:24px;color:var(--green);margin-right:8px}.section{padding:65px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.two{grid-template-columns:repeat(2,1fr)}.card{background:white;border:1px solid #dae2d8;border-radius:10px;overflow:hidden}.card .content{padding:24px}.card h3{margin:12px 0}.art{height:170px;display:flex;align-items:center;justify-content:center;position:relative;background:#d4e9d9;color:var(--green);font:48px Georgia,serif}.art.purple{background:#e7d4f3;color:#792daa}.art.peach{background:#f4dfc9;color:#9c5b22}.art.blue{background:#daeaf2;color:#235d73}.art span{border:1px solid currentColor;padding:8px 25px;transform:rotate(-5deg);background:#ffffff70}.muted{color:#68746b;font-size:14px}.soft{background:#e7efe6}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.num{color:var(--purple);font:35px Georgia,serif}.filters{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0}.filters button{background:transparent;border:1px solid #aac7b3;color:var(--green);padding:8px 16px}.filters button.active{background:var(--green);color:white}.status{font-size:12px;font-weight:700;color:#82640c;background:#fff4cf;padding:4px 8px;border-radius:4px;display:inline-block}.ready{color:#196442;background:#e6f3e9}.banner{background:var(--green);color:white;padding:36px;border-radius:12px}.banner h2{color:white}.banner .lead{color:#e2f0e8}.path{padding:17px 0;border-bottom:1px solid #dde4da;display:flex;justify-content:space-between;gap:16px}.path a{color:var(--green);font-weight:700}details{border-bottom:1px solid #d5ddcf;padding:18px 0}summary{cursor:pointer;font-weight:700}pre{white-space:pre-wrap;font:inherit;background:#fff;padding:20px;border:1px solid #ddd}input,select{border:1px solid #b6c8bc;background:white;padding:10px;border-radius:5px;width:100%;margin:7px 0 15px}label{display:block}footer{padding:35px 5%;border-top:1px solid #d4decf;font-size:13px;color:#677467}.notice{background:#f0e2f8;padding:14px 20px;border-radius:8px;margin:20px 0}del{color:#b83149}.correct{color:#087746;font-weight:700}mark{background:#ffebad}dialog{max-width:520px;border:1px solid #ccc;border-radius:12px;padding:28px}dialog::backdrop{background:#17271f70}@media(max-width:760px){header{padding:15px 18px;flex-wrap:wrap}.logo{font-size:17px}nav{gap:15px;font-size:13px;flex-wrap:wrap}.wrap{padding:0 20px}.hero{grid-template-columns:1fr;gap:30px;padding:36px 0 50px}h1{letter-spacing:0}.grid,.two{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.strip .wrap{flex-wrap:wrap}.section{padding:45px 0}.floating{right:0}.art{height:150px}}
.hero{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px}.hero>*{min-width:0}.collage{min-width:0}header nav{flex-wrap:wrap}.floating{right:0}main.wrap>section{padding:55px 0}.grid .card{padding:25px}.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}[hidden]{display:none!important}@media(max-width:760px){.hero{grid-template-columns:1fr}.hero h1{font-size:48px}}

/* Product headings: bold clean sans-serif, with an italic English accent. */
h1,h2,.logo{font-family:'Arial Black','Helvetica Neue','PingFang SC','Microsoft YaHei',sans-serif;font-weight:800}h1{letter-spacing:-1.5px;line-height:1.2}h2{line-height:1.3}.paper h3{font-family:'Helvetica Neue',Arial,sans-serif;font-weight:800;font-style:italic;letter-spacing:-1px}.logo{font-size:23px;white-space:nowrap}.role-entry{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:28px 0 0}.role-entry a{position:relative;display:block;padding:23px 30px;border:1px solid var(--green);border-radius:9px;background:var(--green);color:white}.role-entry a:nth-child(2){background:var(--purple);border-color:var(--purple)}.role-entry span{display:block;font-size:29px;font-weight:800}.role-entry small{display:block;font-size:14px;opacity:.9;margin-top:4px}.role-entry b{position:absolute;right:25px;top:23px;font-size:30px}.role-entry a:hover{filter:brightness(1.08)}.role-entry a:focus-visible{outline:3px solid #19251f;outline-offset:4px}.hero{padding-top:38px}@media(max-width:760px){.logo{font-size:20px}.role-entry{gap:10px}.role-entry a{padding:18px 15px}.role-entry span{font-size:24px}.role-entry small{font-size:12px;max-width:130px}.role-entry b{right:12px;top:15px;font-size:22px}.hero h1{font-size:44px;letter-spacing:0}}

/* Chinese typography: Song-style display and readable literary body. */
:root{--garden-font:'Songti SC','STSong','Noto Serif CJK SC','Source Han Serif SC','SimSun',serif}
body,button,input,select,textarea,pre,h1,h2,h3,h4,.logo,.paper h3,.art,.num{font-family:var(--garden-font)}
body{font-weight:400}h1,h2,h3{font-weight:600;letter-spacing:.015em}.logo{font-weight:600;font-size:26px;letter-spacing:.045em;line-height:1.5;white-space:normal}.logo img{flex-shrink:0}.role-entry span{font-weight:600;letter-spacing:.06em}.paper h3{font-style:normal;letter-spacing:0}header{padding-top:23px;padding-bottom:23px}@media(max-width:760px){.logo{font-size:23px;letter-spacing:.025em}.role-entry span{font-size:25px}.hero h1{letter-spacing:.015em}}
.role-entry span{white-space:nowrap}@media(max-width:760px){.role-entry span{font-size:23px;letter-spacing:0}.role-entry b{display:none}}