:root{--bg:#f6f6f5;--card:#fff;--ink:#282522;--muted:#726e68;--line:#e9e7e4;--soft:#eeedeb;--mint:#ddece5;--peach:#f2dfd1;--radius:24px;--shadow:0 2px 8px #28252204}
*{box-sizing:border-box}body{margin:0;background:#eaece9;color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit;color:inherit}button,a,select{cursor:pointer}button{border:0;background:none}button{transition:background .15s,opacity .15s}button:active{opacity:.7}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #6b887b;outline-offset:4px}a{color:inherit}h1,h2,h3,p{margin:0}h1{font-size:29px;font-weight:500;line-height:1.35;letter-spacing:-1px}h2{font-size:19px;font-weight:650}h3{font-size:16px;font-weight:600}.muted{color:var(--muted)}.small{font-size:12px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted)}.icon{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.preview-note{width:min(440px,100%);margin:22px auto 12px;display:flex;align-items:center;gap:7px;color:#66695f;font-size:11px}.preview-note>span:last-child{margin-left:auto}.preview-dot{width:6px;height:6px;border-radius:50%;background:#648276}.app-shell{width:440px;max-width:100%;margin:0 auto 40px;min-height:840px;background:var(--bg);border-radius:30px;position:relative;box-shadow:0 16px 60px #252d2510;overflow:clip;border:1px solid #ffffffb0}.chrome{height:68px;display:flex;align-items:center;justify-content:space-between;padding:16px 23px;background:var(--bg)}.brand{font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}.brand-mark{background:var(--ink);color:white;border-radius:7px;font-size:12px;padding:2px 5px;font-weight:500}.capsule{display:flex;align-items:center;gap:13px;border:1px solid var(--line);padding:1px 12px;border-radius:24px;background:#ffffff90;font-size:20px;height:31px}.capsule i{height:16px;border-left:1px solid var(--line)}#app{padding:0 23px 111px;min-height:695px;outline:none}#tabs{position:sticky;bottom:0;background:#f8f8f7f5;backdrop-filter:blur(16px);border-top:1px solid var(--line);height:78px;display:flex;justify-content:space-around;padding:8px 0 10px;z-index:5;margin-top:-78px}#tabs button{color:var(--muted);min-width:84px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:12px}#tabs button .icon{width:25px;height:25px}#tabs button.active{color:var(--ink);font-weight:650}#tabs button.active:after{content:'';width:4px;height:4px;border-radius:50%;background:var(--ink);position:absolute;bottom:6px}.hero{text-align:center;position:relative;padding:43px 0 29px}.hero:before{content:'';position:absolute;width:330px;height:240px;left:50%;top:-25px;transform:translateX(-50%);background:radial-gradient(ellipse at 25% 45%,#d9e9e0a0,transparent 65%),radial-gradient(ellipse at 80% 65%,#f0dfd28c,transparent 60%);pointer-events:none}.hero>*{position:relative}.hero h1{font-size:37px;letter-spacing:3px;margin:9px 0 9px}.hero p{color:var(--muted);font-size:14px}.pill{border:1px solid #d6ded7;border-radius:30px;padding:3px 12px;font-size:10px;color:#577363;display:inline-flex;align-items:center;gap:5px}.pill:before{content:'';width:4px;height:4px;background:#718d7d;border-radius:50%}.primary{display:flex;align-items:center;justify-content:center;gap:9px;background:var(--ink);color:white;border-radius:50px;min-height:54px;width:100%;font-size:16px;font-weight:550;padding:12px 20px}.primary:hover{background:#454039}.primary .icon{width:21px}.secondary{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;width:100%;border:1px solid #d9d6d2;border-radius:30px;background:var(--card);font-weight:500}.text-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:0 6px;color:var(--muted);font-size:13px}.text-btn .icon{width:16px;height:16px}.entry-links{display:flex;justify-content:center;gap:12px;margin-top:6px}.entry-links span{margin-top:14px;width:1px;height:16px;background:#d9d6d2}.section-title{display:flex;align-items:center;justify-content:space-between;margin:25px 0 13px;gap:12px}.section-title p{font-size:11px;color:var(--muted);margin-top:2px}.section-title .text-btn{font-size:12px;min-height:36px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:19px}.tutorial{display:flex;align-items:center;text-align:left;gap:13px;width:100%;padding:17px}.tutorial>span:nth-child(2){flex:1}.tutorial strong{display:block;font-size:14px;font-weight:600}.tutorial small{display:block;font-size:12px;color:var(--muted);margin-top:3px}.tile-icon{height:48px;width:48px;flex-shrink:0;background:var(--soft);border-radius:15px;display:flex;align-items:center;justify-content:center}.tutorial .tile-icon{background:linear-gradient(135deg,var(--mint),var(--peach))}.cases{display:grid;grid-template-columns:1fr 1fr;gap:14px}.case-card{padding:0;text-align:left;overflow:hidden;border-radius:18px;width:100%;background:white;border:1px solid var(--line)}.cover{height:191px;padding:15px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;color:#fbf7ed;background:var(--cover-bg,#3e5b60)}.cover.rain{--cover-bg:#34494f;--cover-light:#96b7b2}.cover.rose{--cover-bg:#835e60;--cover-light:#d3b2a1}.cover.gold{--cover-bg:#68583a;--cover-light:#cab185}.cover.mint{--cover-bg:#53766c;--cover-light:#d4dacf}.cover.clay{--cover-bg:#815f48;--cover-light:#e0bd9a}.cover.forest{--cover-bg:#3e564b;--cover-light:#a9b89e}.cover:before{content:'';width:145px;height:270px;position:absolute;right:-10px;top:-28px;transform:rotate(28deg);background:linear-gradient(90deg,transparent,#fff2);border-left:1px solid #fff3}.cover:after{content:'';position:absolute;width:160px;height:160px;right:-65px;bottom:-20px;border:1px solid #ffffff24;border-radius:50%;box-shadow:0 0 0 25px #ffffff06,0 0 0 50px 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#d9d6d1;border-radius:13px;padding:13px;outline-offset:2px;font-size:14px}textarea{resize:vertical;line-height:1.8;min-height:150px}textarea::placeholder,input::placeholder{color:#817c75}.count{text-align:right;font-size:11px;color:var(--muted);margin-top:4px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:13px}.advanced{margin:0 0 22px}.advanced summary{cursor:pointer;font-size:13px;font-weight:600;min-height:28px}.advanced .field-title{margin-top:16px;color:var(--muted);font-size:12px}.segmented{display:flex;background:var(--soft);padding:4px;border-radius:50px}.segmented button{flex:1;font-size:12px;min-height:36px;border-radius:50px}.segmented button.selected{background:white;font-weight:600}.form-error{font-size:12px;color:#9a3428;margin-bottom:13px}.sticky-action{position:sticky;bottom:18px;z-index:3;margin-top:23px;padding-top:12px;background:linear-gradient(transparent,var(--bg) 20%)}.sticky-action 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p{font-size:13px;color:var(--muted);margin-top:6px}#toast{position:fixed;bottom:110px;left:50%;transform:translate(-50%,15px);opacity:0;pointer-events:none;max-width:90%;background:var(--ink);color:white;border-radius:13px;padding:11px 20px;font-size:13px;z-index:30;transition:opacity .2s,transform .2s}#toast.visible{opacity:1;transform:translate(-50%,0)}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){body{background:var(--bg)}.preview-note{margin:0;padding:8px 18px;background:#e9ede7;font-size:10px;position:relative}.app-shell{border-radius:0;border:0;box-shadow:none;margin:0 auto;min-height:calc(100dvh - 32px);width:100%}.chrome{height:61px;padding:13px 21px}#app{min-height:calc(100dvh - 171px);padding-left:21px;padding-right:21px}#tabs{height:calc(73px + env(safe-area-inset-bottom));padding-bottom:calc(10px + env(safe-area-inset-bottom));margin-top:calc(-73px - 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