:root{color-scheme:light;--bg:#f5f5f3;--ink:#181918;--muted:#797c77;--border:#e9eae5;--dur-control:320ms;--dur-panel:480ms;--dur-page:600ms;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #99bd64;outline-offset:3px}.header{height:94px;max-width:1080px;margin:auto;padding:0 36px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:750;line-height:1.3;letter-spacing:1px}.brand-mark{background:var(--ink);color:white;border-radius:14px;font-size:31px;height:46px;width:46px;display:grid;place-items:center}.brand-caption{display:block;font-size:9px;font-weight:500;color:var(--muted);letter-spacing:2px;margin-top:4px}main{max-width:1008px;margin:24px auto 0;padding:0 0 40px;min-height:70vh}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted)}.hero{display:flex;justify-content:space-between;align-items:end;margin:0 0 28px}.hero h1{font-size:30px;letter-spacing:-1px;line-height:1.3;margin:8px 0 10px}.hero p{color:var(--muted);margin:0}.pill{border:1px solid #dfe2d8;border-radius:20px;padding:6px 12px;font-size:12px;white-space:nowrap}.pill i{display:inline-block;border-radius:50%;width:6px;height:6px;background:#86a653;margin-right:6px}.workspace{display:grid;grid-template-columns:1.05fr 1fr;gap:22px}.card{background:white;border:1px solid var(--border);border-radius:22px;padding:30px;margin-bottom:20px}.card h2{font-size:18px;letter-spacing:-.3px;margin:0 0 7px}.card-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.muted{color:var(--muted);font-size:13px}.step{font-family:monospace;color:#a1a49e;font-size:12px}.field{margin:0 0 23px}.field label{font-weight:600;font-size:13px;display:block;margin-bottom:9px}.optional{font-size:11px;font-weight:400;color:var(--muted);margin-left:7px}.input{display:block;border:1px solid var(--border);background:#fafbf8;border-radius:11px;padding:14px 15px;width:100%;color:var(--ink);min-height:48px}.input:focus{outline:2px solid #cbd5bb;border-color:transparent}.input::placeholder{color:#b0b3ac}.help{font-size:11px;line-height:1.7;color:#92958d;margin:8px 0 0}.upload{display:flex!important;border:1px dashed #d7dbd1;border-radius:13px;background:#fcfcfa;min-height:124px;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;font-weight:400!important;margin:0!important}.upload-icon{font-size:24px;line-height:1;color:#70776a}.upload strong{font-size:12px;font-weight:500}.upload small{font-size:10px;color:#a0a49a}.file-input{position:absolute;opacity:0;width:1px;height:1px}.file-input:focus-visible+.upload{outline:3px solid #99bd64}.cost-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding:19px 0;color:var(--muted);font-size:12px}.cost-row strong{font-size:14px;color:var(--ink)}.button{width:100%;display:flex;justify-content:center;align-items:center;gap:10px;border-radius:11px;border:1px solid var(--ink);background:var(--ink);color:white;padding:13px 18px;min-height:48px;font-weight:600;font-size:13px}.button:hover{background:#30332d}.button.secondary{border-color:var(--border);background:white;color:var(--ink)}.button.secondary:hover{background:#f7f8f4}.small-button{background:white;border:1px solid var(--border);border-radius:9px;padding:8px 17px;font-size:12px;display:inline-flex;align-items:center;gap:8px}.small-button:hover{background:#f0f2ea}.text-link{border:0;background:transparent;padding:0;font-size:12px;text-decoration:underline;text-underline-offset:4px;color:#646d5a;cursor:pointer}.preview-card{padding-bottom:20px}.preview-stage{height:325px;display:flex;align-items:center;justify-content:center;background:#fafbf8;border:1px solid #f0f2eb;border-radius:16px}.preview-stage img{display:block;width:88%;max-width:295px;aspect-ratio:1;object-fit:contain;mix-blend-mode:normal}.preview-caption{text-align:center;font-size:11px;color:#9a9e92;margin:16px 0 0;letter-spacing:.5px}.preview-meta{display:flex;justify-content:space-between;font-size:10px;color:#a2a797;border-top:1px solid var(--border);margin-top:20px;padding-top:14px;letter-spacing:1px}.note{display:flex;gap:12px;padding:16px 18px;font-size:11px;color:#777d6d;background:#edf0e7;border-radius:13px;line-height:1.9}.note strong{color:#555d49}.notice-warning{background:#fff5e1;color:#82672e}.bottom-nav{position:fixed;z-index:10;bottom:22px;left:50%;transform:translateX(-50%);width:360px;display:flex;justify-content:space-around;padding:10px 13px;background:#fffffff5;border:1px solid var(--border);border-radius:21px;box-shadow:0 9px 40px #202a1110;}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;gap:1px;width:68px;color:#a0a399;border-radius:12px;padding:3px}.bottom-nav a>span{font-size:22px;line-height:1.3}.bottom-nav a.active{color:var(--ink);background:#eff2e9}footer{text-align:center;color:#b0b5a7;font-size:10px;letter-spacing:1px;padding:4px 0 120px}#message{position:fixed;z-index:50;top:12px;left:50%;transform:translateX(-50%);background:#20231e;color:white;padding:12px 22px;border-radius:12px;box-shadow:0 8px 30px #0002;font-size:13px;max-width:90vw;width:max-content}#message.error{background:#7f342c}.narrow{max-width:470px;margin:48px auto}.tabs{display:flex;gap:8px;padding:5px;border-radius:11px;background:#f4f5f0;margin:28px 0}.tabs a{flex:1;text-align:center;padding:8px;border-radius:8px;font-size:12px;color:var(--muted)}.tabs a.selected{background:white;color:var(--ink);box-shadow:0 1px 5px #00000008}.password-wrap{position:relative}.password-wrap input{padding-right:62px}.password-toggle{border:0;background:none;position:absolute;right:12px;top:15px;color:var(--muted);font-size:11px}.error-text{color:#a54535;font-size:12px;min-height:20px}.row{display:flex;align-items:center;justify-content:space-between;gap:15px}.stack{display:grid;gap:12px}.credit{font-size:52px;line-height:1.2;letter-spacing:-2px;font-weight:650}.credit small{font-size:13px;font-weight:400;color:var(--muted);letter-spacing:0;margin-left:10px}.account-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.account-grid .card{margin:0}.account-balance{background:#e8efda;border-color:#dde7cd}.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.plan{padding:25px;border-radius:18px;border:1px solid var(--border);background:white}.plan.featured{border:1px solid #748a52;box-shadow:0 0 0 3px #e5ecd9}.plan-name{font-size:13px;font-weight:600}.price{font-size:36px;line-height:1.5;letter-spacing:-1px;font-weight:650;margin:20px 0 0}.price small{font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted)}.plan-credits{font-size:15px;margin:1px 0 26px}.list{display:grid;gap:12px}.history-item{display:flex;gap:19px;align-items:center;background:white;border:1px solid var(--border);border-radius:15px;padding:17px}.history-item img{width:86px;height:86px;object-fit:contain;border-radius:8px;background:#f8f9f5}.history-body{min-width:0;flex:1}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-body p{margin:3px 0;font-size:12px}.badge{font-size:10px;padding:3px 8px;background:#eef2e6;color:#687f4b;border-radius:6px}.empty{text-align:center;color:var(--muted);padding:54px 30px}.account-menu{display:flex;flex-direction:column;gap:14px;padding-top:10px}.account-menu>a,.account-menu>button{display:flex;justify-content:space-between;background:none;border:0;border-bottom:1px solid var(--border);padding:12px 0;font:inherit;text-align:left}.order-amount{font-size:38px;font-weight:600;letter-spacing:-1px;margin:10px 0}.order-info{display:grid;grid-template-columns:100px 1fr;gap:13px;border-top:1px solid var(--border);padding:22px 0;font-size:12px}.break{word-break:break-all}.order-info dt{color:var(--muted)}.order-info dd{margin:0}.button-group{display:flex;gap:10px}.button-group>*{flex:1}.article h3{font-size:14px;margin:26px 0 8px}.article p,.article li{font-size:13px;color:#777e70}.admin-stats{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:22px}.stat{flex:1;background:#eaf0df;padding:18px 22px;border-radius:15px;min-width:130px}.stat strong{display:block;font-size:26px}.admin-table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}.admin-table th{font-weight:500;color:var(--muted);padding:12px 10px;border-bottom:1px solid var(--border);white-space:nowrap}.admin-table td{padding:12px 10px;border-bottom:1px solid #f0f1eb;max-width:230px;overflow-wrap:anywhere}.table-scroll{overflow-x:auto}.plan-editor{display:grid;grid-template-columns:1fr 1fr;gap:14px}.plan-editor .field{margin:0}.wide{grid-column:1/-1}dialog{width:min(94vw,500px);border:1px solid var(--border);border-radius:20px;padding:28px;box-shadow:0 20px 100px #0002;color:var(--ink)}dialog::backdrop{background:#20281c77}dialog .close{border:0;background:#f3f5ed;width:30px;height:30px;border-radius:50%}.table-action{border:1px solid var(--border);background:white;padding:5px 9px;border-radius:6px;white-space:nowrap;font-size:11px}.spacer{height:20px}.check{display:flex;align-items:center;gap:7px;font-size:12px}.success-mark{background:#eaf1dc;color:#667e42;width:52px;height:52px;display:grid;place-items:center;border-radius:50%;font-size:26px;margin-bottom:18px}@media(max-width:1080px){main{margin:24px 36px 0}}@media(max-width:700px){.header{height:80px;padding:0 22px}.brand{font-size:18px}.brand-mark{width:40px;height:40px;font-size:28px;border-radius:12px}.brand-caption{font-size:8px}main{margin:20px 18px 0;padding-bottom:22px}.hero{margin:0 5px 23px}.hero h1{font-size:25px}.hero p{font-size:12px}.hero .pill{display:none}.eyebrow{font-size:10px}.workspace,.account-grid{grid-template-columns:1fr;gap:0}.card{padding:23px;border-radius:20px;margin-bottom:16px}.account-grid .card{margin-bottom:16px}.preview-stage{height:305px}.preview-stage img{max-width:280px}.narrow{margin:27px auto}.bottom-nav{width:calc(100% - 64px);max-width:360px;bottom:max(15px,env(safe-area-inset-bottom))}.credit{font-size:45px}.plan-grid{gap:12px}.plan{padding:19px 15px}.price{font-size:30px}.plan-credits{font-size:13px}.plan .button{padding:12px 6px;font-size:12px}.history-item{padding:13px;gap:10px;flex-wrap:wrap}.history-item img{width:67px;height:67px}.history-item .small-button{padding:6px 10px;font-size:11px}.row.wrap{flex-wrap:wrap}}

/* Focused motion and secure-setup additions. */
.brand-mark svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.bottom-nav svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.bottom-nav a{display:flex;align-items:center;justify-content:center;gap:6px}
.style-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.color-input{height:44px;padding:5px}.confirm-dialog{width:min(94vw,560px);border:1px solid var(--border);border-radius:22px;padding:30px;box-shadow:0 24px 90px #15200d33;color:var(--ink)}.confirm-dialog::backdrop{background:#17201888;}.confirm-url{padding:15px;background:#f3f5ed;border-radius:12px;font:13px/1.7 ui-monospace,monospace;user-select:all}.confirm-style,.confirm-cost{font-size:12px;color:var(--muted)}.button-group{margin-top:20px}.secondary{background:#eef0e9;color:var(--ink)}.totp-enroll{margin-top:22px;padding:20px;background:#f7f8f4;border-radius:16px}.totp-enroll img{display:block;width:190px;height:190px;image-rendering:auto;margin:14px auto;background:white;padding:8px;border-radius:10px}.totp-enroll code,.recovery-box code{display:block;white-space:pre-wrap;overflow-wrap:anywhere;background:white;padding:12px;border-radius:10px;font-size:12px;user-select:all}.recovery-box{margin-top:20px;padding:20px;background:#eef3e6;border-radius:16px}.security-card{margin:24px auto}.security-card .stack{margin-top:18px}.button{transition:transform .2s cubic-bezier(.34,1.2,.64,1),background-color .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1)}.button:active{transform:scale(.98)}.card{transition:box-shadow var(--dur-panel) cubic-bezier(.4,0,.2,1)}.confirm-dialog[open]{animation:dialog-in .46s cubic-bezier(0,0,.2,1) both}@keyframes dialog-in{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(max-width:700px){.confirm-dialog{padding:22px}.button-group{flex-direction:column}.style-fields{gap:9px}}

/* Consistent, restrained interaction motion across every route. */
.button,.small-button,.table-action,.upload,.account-menu>a,.account-menu>button,.bottom-nav a,.tabs a,.input,select,.plan,.history-item,.note,.brand-mark{transition:transform var(--dur-control) cubic-bezier(.4,0,.2,1),color var(--dur-control) cubic-bezier(.4,0,.2,1),background-color var(--dur-control) cubic-bezier(.4,0,.2,1),border-color var(--dur-control) cubic-bezier(.4,0,.2,1),box-shadow var(--dur-control) cubic-bezier(.4,0,.2,1),opacity var(--dur-control) cubic-bezier(.4,0,.2,1)}
@media(hover:hover){.button:not(:disabled):hover,.small-button:hover,.table-action:hover{transform:translateY(-2px)}.plan:hover,.history-item:hover{transform:translateY(-2px);box-shadow:0 12px 28px #1c29120d}.upload:hover{border-color:#849768;background:#fbfcf8}.account-menu>a:hover,.account-menu>button:hover{color:#617a3e;transform:translateX(3px)}.bottom-nav a:hover{color:#5e7840}.brand:hover .brand-mark{transform:rotate(-7deg)}}
.button:focus-visible,.small-button:focus-visible,.table-action:focus-visible,.tabs a:focus-visible,.bottom-nav a:focus-visible{outline:3px solid #92a875;outline-offset:3px}
.input:focus-visible,select:focus-visible{transform:translateY(-1px);box-shadow:0 0 0 4px #91a77430}
.button.is-loading{position:relative;padding-right:42px}.button.is-loading::after{content:"";position:absolute;right:16px;top:50%;width:14px;height:14px;margin-top:-8px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:button-spin .7s cubic-bezier(.4,0,.2,1) infinite}@keyframes button-spin{to{transform:rotate(360deg)}}
.error-text.shake{animation:error-shake .32s cubic-bezier(.4,0,.2,1)}@keyframes error-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
#message:not([hidden]){animation:toast-in .28s cubic-bezier(0,0,.2,1) both}@keyframes toast-in{from{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%,0)}}
.file-input:focus-visible+label,.check input:focus-visible{outline:3px solid #92a875;outline-offset:3px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* Free ordinary-QR studio and paid-sun derivatives: steady layout, no looping reveals. */
.studio-tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0 28px}
.studio-tab{display:flex;align-items:center;gap:14px;padding:20px;border:1px solid #dedfd7;border-radius:18px;color:inherit;text-decoration:none;background:#fff}
.studio-tab.selected{border-color:#6f844f;box-shadow:0 0 0 1px #6f844f;background:#f5f8f0}.studio-tab small{display:block;margin-top:5px;color:#757a6c}.studio-tab .badge{margin-left:auto;white-space:nowrap}.tab-icon{font-size:30px;color:#6f844f}
.free-editor-card{padding:22px}.free-editor{display:block;width:100%;height:1120px;border:0;border-top:1px solid #eee;margin-top:16px;background:white;border-radius:12px}
.variant-panel{margin-top:24px;padding-top:24px;border-top:1px solid #e2e3db}.variant-panel h3{font-size:20px;margin:0}.shape-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(82px,1fr));gap:8px;border:0;padding:12px 0 20px;margin:0;min-width:0}.shape-options legend{font-weight:600;padding:0}.shape-choice{position:relative;min-width:0;cursor:pointer}.shape-choice input{position:absolute;opacity:0;width:1px;height:1px}.shape-choice>span{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 4px;border:1px solid #dedfd7;border-radius:12px;color:#404839;transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}.shape-choice svg{width:38px;height:38px}.shape-choice strong{font-size:12px}.shape-choice input:checked+span{background:#f0f5e7;border-color:#6f844f;box-shadow:0 0 0 1px #6f844f}.shape-choice input:focus-visible+span{outline:3px solid #92a875;outline-offset:3px}#restore-original{display:block;margin-top:18px}
@media(max-width:700px){.studio-tabs{gap:8px}.studio-tab{padding:14px 10px;gap:8px;flex-wrap:wrap}.studio-tab .badge{margin-left:0}.studio-tab strong{font-size:14px}.studio-tab small{font-size:11px}.tab-icon{font-size:24px}.free-editor-card{padding:14px}.free-editor{height:1500px}.variant-panel .card-title{align-items:flex-start;flex-direction:column}.shape-options{gap:5px}.shape-choice svg{width:30px;height:30px}}

/* Decoration controls do not replay scroll animation or resize the code preview. */
.logo-switches{display:flex;flex-wrap:wrap;gap:8px 24px;margin:16px 0}
.fusion-panel .field{display:grid;gap:8px;margin:18px 0}.fusion-panel input[type=range]{width:100%;accent-color:var(--accent,#71824e);min-height:44px}
#fusion-output{margin-top:24px}#fusion-output[hidden]{display:none}
#fusion-canvas{display:block;width:100%;height:auto;border-radius:12px;margin-bottom:16px}

/* Fixed-position photo compositing: only control feedback moves, never the image on scroll. */
.fusion-controls{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;min-width:0}
.fusion-controls .field{min-width:0}.fusion-controls output{font-variant-numeric:tabular-nums;color:#59654a}
.fusion-preview-wrap{overflow:hidden;border:1px solid #e1e3d9;border-radius:12px;background:#f5f5f3}
#fusion-canvas{margin:0;border-radius:0;cursor:crosshair;touch-action:none;user-select:none}
.fusion-panel .error-text{min-height:24px;margin-top:12px}
.fusion-warning{color:#805a24;min-height:44px}
#fusion-download[aria-disabled=true]{opacity:.45;pointer-events:none}
#fusion-auto:active{transform:scale(.98)}
@media(max-width:700px){.fusion-controls{grid-template-columns:1fr}.fusion-panel .button-group{gap:12px}}

/* Surface fitting changes export geometry; controls never animate the photo or replay on scroll. */
.fusion-surface{min-width:0;margin:18px 0;padding:16px;border:1px solid #dce2d4;border-radius:12px;background:#f7f9f3}.fusion-surface[hidden]{display:none}.fusion-surface legend{font-weight:600;padding:0 8px}.fusion-surface input[type=color]{width:100%;min-height:44px;border:1px solid #dce2d4;border-radius:8px;background:transparent}