:root{--ink:#172018;--muted:#687269;--paper:#f7f4ed;--card:#fffdf8;--green:#166534;--green2:#2f855a;--red:#d83a2e;--line:#dcd8ce;--yellow:#f2c94c;--shadow:0 18px 50px rgba(43,54,45,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px max(20px,calc((100vw - 1120px)/2));background:rgba(247,244,237,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50% 50% 48% 48%;background:var(--green);color:white;font-weight:900;font-size:20px}.brand strong,.brand small{display:block}.brand strong{font-size:20px}.brand small{color:var(--muted);margin-top:2px}.hero{max-width:1120px;margin:auto;min-height:620px;padding:70px 20px 55px;display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center}.eyebrow{display:inline-block;color:var(--green);font-weight:800;letter-spacing:.12em;font-size:14px}.hero h1{font-size:clamp(44px,6vw,76px);line-height:1.08;margin:18px 0 24px;letter-spacing:-.04em}.hero h1 em{color:var(--green);font-style:normal}.hero-copy>p{font-size:19px;line-height:1.8;color:var(--muted);max-width:640px}.hero-actions,.preview-actions{display:flex;gap:12px;margin:30px 0}.primary,.secondary,.ghost{border:0;border-radius:14px;padding:14px 22px;font-size:17px;font-weight:800;cursor:pointer;text-decoration:none;text-align:center}.primary{background:var(--green);color:white;box-shadow:0 8px 18px rgba(22,101,52,.18)}.secondary{background:white;color:var(--green);border:1px solid #b9c9bc}.ghost{background:transparent;color:var(--muted)}.small{font-size:14px;padding:9px 12px}.wide{width:100%}.trust-list{display:flex;gap:22px;flex-wrap:wrap;margin:24px 0 0;padding:0;list-style:none;color:var(--muted);font-size:14px}.trust-list li:before{content:"✓";color:var(--green);font-weight:900;margin-right:6px}.sample-card{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow);transform:rotate(1deg)}.sample-head,.viewer-top,.panel-title{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:14px}.status-dot{color:var(--green)}.phone-mock{margin:20px 0;background:#eef2ed;border-radius:20px;padding:18px}.mock-title{font-weight:900;font-size:20px;margin-bottom:12px}.mock-row{position:relative;background:white;padding:14px;border-radius:12px;display:flex;align-items:center;gap:12px;margin-top:8px}.mock-row.muted{color:#8a918b}.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:#ffd8d2}.red-ring{position:absolute;right:30px;top:8px;display:grid;place-items:center;width:38px;height:38px;border:4px solid var(--red);border-radius:50%;color:var(--red);font-weight:900}.sample-card h3{font-size:24px;margin:12px 0 6px}.sample-card p{color:var(--muted);font-size:17px;line-height:1.7}.maker,.preview-section{padding:70px max(20px,calc((100vw - 1120px)/2))}.maker{background:#e8efe8}.section-heading{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:28px}.section-heading h2{font-size:38px;margin:8px 0 0}.section-heading>p{color:var(--muted)}.maker-grid{display:grid;grid-template-columns:400px 1fr;gap:22px}.panel{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px}.setup-panel{display:flex;flex-direction:column;gap:18px}.setup-panel label{font-weight:800;display:block}.setup-panel input,.setup-panel select,.step-copy{width:100%;margin-top:8px;border:1px solid #c9cec8;border-radius:12px;background:white;padding:14px;font:inherit;color:inherit}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}.upload-box{border:2px dashed #9eb29f;border-radius:18px;padding:28px 18px;text-align:center;color:var(--green);cursor:pointer;background:#f5faf5}.upload-box span{display:block;margin-top:7px;color:var(--muted);font-size:13px;font-weight:400}.upload-box input{display:none}.notice{display:flex;gap:10px;background:#fff7d9;border-radius:14px;padding:13px;font-size:13px;line-height:1.5}.notice strong{white-space:nowrap}.panel-title span{display:block;margin-top:3px}.editor-panel{min-height:470px}.empty-state{min-height:380px;display:grid;place-content:center;text-align:center;color:var(--muted);padding:35px}.empty-icon{font-size:38px;font-weight:900;color:#91a093}.step-editor{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.step-editor:last-child{border-bottom:0}.editor-image{position:relative;border-radius:15px;overflow:hidden;background:#eef0eb;min-height:160px;cursor:crosshair}.editor-image img{display:block;width:100%;height:100%;object-fit:contain}.marker{position:absolute;transform:translate(-50%,-50%);display:grid;place-items:center;width:48px;height:48px;border:5px solid var(--red);border-radius:50%;color:white;background:rgba(216,58,46,.2);font-weight:900;text-shadow:0 1px 3px #000}.step-meta h3{margin:0 0 8px}.step-copy{min-height:100px;resize:vertical;line-height:1.6}.remove-step{color:#b42318;padding-left:0}.preview-section{background:var(--paper)}.viewer-shell{max-width:620px;margin:0 auto;background:white;border:1px solid var(--line);border-radius:30px;padding:30px;box-shadow:var(--shadow);font-size:var(--viewer-scale,1em)}.viewer-top{border-bottom:1px solid var(--line);padding-bottom:16px}.viewer-shell>h2{font-size:calc(30px * var(--scale,1));margin:24px 0}.viewer-image-wrap{position:relative;background:#eef0eb;border-radius:20px;min-height:280px;overflow:hidden}.viewer-image-wrap img{width:100%;max-height:480px;object-fit:contain;display:block}.viewer-marker{position:absolute;transform:translate(-50%,-50%);padding:8px 12px;border:4px solid var(--red);border-radius:999px;color:white;background:var(--red);font-weight:900;white-space:nowrap}.viewer-shell h3{font-size:calc(26px * var(--scale,1));margin:24px 0 8px}.viewer-shell>p{font-size:calc(22px * var(--scale,1));line-height:1.75;margin:0}.viewer-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}.different{width:100%;margin-top:14px;border:0;background:transparent;color:#8a4c28;text-decoration:underline;padding:12px;cursor:pointer;font-size:15px}dialog{max-width:520px;border:0;border-radius:22px;padding:30px;box-shadow:var(--shadow);font-size:17px;line-height:1.7}dialog::backdrop{background:rgba(13,20,15,.45)}.dialog-close{float:right;border:0;background:transparent;font-size:30px;cursor:pointer}
@media(max-width:820px){html,body{overflow-x:hidden}.hero{width:100%;grid-template-columns:minmax(0,1fr);gap:35px;padding-top:45px}.hero>*,.maker-grid>*{min-width:0}.hero-copy,.sample-card{width:calc(100vw - 40px);max-width:calc(100vw - 40px)}.sample-card{transform:none;overflow:hidden}.sample-card *{min-width:0}.sample-head{flex-wrap:wrap;gap:8px}.trust-list{display:grid;grid-template-columns:1fr;gap:9px}.maker-grid{grid-template-columns:minmax(0,1fr)}.section-heading{align-items:flex-start;flex-direction:column}.preview-actions{margin:0;width:100%}.preview-actions button{flex:1}.step-editor{grid-template-columns:1fr}.editor-image{height:auto}.topbar{padding:12px 16px}.brand small{display:none}.hero h1{font-size:42px}.hero-copy>p{font-size:17px}.maker,.preview-section{padding:50px 16px}.viewer-shell{padding:20px;border-radius:22px}.two-col{grid-template-columns:1fr}}
@media print{body{background:white}.topbar,.hero,.maker,.section-heading,.viewer-controls,.different{display:none!important}.preview-section{padding:0}.viewer-shell{box-shadow:none;border:0;max-width:none}.viewer-marker{print-color-adjust:exact;-webkit-print-color-adjust:exact}}

/* v2 editing and export helpers */
.panel-actions,.step-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.panel-actions #saveStatus{font-size:12px;color:#788179}.danger{color:#b42318}.step-actions{margin-bottom:10px}.step-actions button{border:1px solid #d6d9d3;background:#fff;border-radius:9px;padding:7px 9px;color:#4f5c51;cursor:pointer}.step-actions button.active{background:#fff0ed;border-color:#e77a70;color:#a92b21}.editor-image{min-height:0}.editor-image img{height:auto;object-fit:initial}.redaction{position:absolute;transform:translate(-50%,-50%);width:32%;height:12%;min-height:26px;background:#262626;border:3px solid #fff;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.3);cursor:pointer}.redaction:after{content:"点击移除遮挡";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:white;font-size:10px;white-space:nowrap}.viewer-image-wrap{min-height:0}.viewer-image-wrap img{max-height:none;height:auto;object-fit:initial}.viewer-redaction{position:absolute;transform:translate(-50%,-50%);width:32%;height:12%;min-height:24px;background:#262626;border:3px solid white;border-radius:8px}.editor-help{margin:8px 0 0;color:#788179;font-size:12px;line-height:1.5}.exporting{opacity:.65;pointer-events:none}
.share-result{max-width:760px;margin:24px auto 0;padding:22px;background:#edf7ef;border:1px solid #a9c7ae;border-radius:20px}.share-result>strong{font-size:20px}.share-result>p{color:var(--muted);line-height:1.6}.share-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;gap:10px}.share-row input{min-width:0;border:1px solid #b7c5b8;border-radius:12px;padding:12px;background:white;font:inherit}.publish-status{grid-column:1/-1;color:var(--muted);font-size:13px;text-align:right;min-height:20px}.publish-status.error{color:#b42318}
.cloud-library{padding:70px max(20px,calc((100vw - 1120px)/2));background:#eef3ec}.cloud-library .section-heading{align-items:center;margin-bottom:10px}.library-intro{margin:0 0 24px;color:var(--muted);line-height:1.7}.card-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.library-empty{grid-column:1/-1;padding:34px;border:1px dashed #aebaae;border-radius:18px;background:rgba(255,255,255,.55);color:var(--muted);text-align:center}.cloud-card{display:grid;gap:14px;padding:20px;border:1px solid var(--line);border-radius:20px;background:var(--card)}.cloud-card-head{display:flex;justify-content:space-between;gap:14px}.cloud-card h3{margin:0;font-size:20px}.cloud-card time{color:var(--muted);font-size:12px;white-space:nowrap}.cloud-card-meta{color:var(--muted);font-size:14px}.cloud-card-actions{display:flex;gap:8px;flex-wrap:wrap}.cloud-card-actions a,.cloud-card-actions button{flex:1;min-width:88px;padding:10px 12px;border:1px solid #b9c9bc;border-radius:11px;background:white;color:var(--green);font:inherit;font-weight:700;text-align:center;text-decoration:none;cursor:pointer}.cloud-card-actions .delete-card{border-color:#e7b1ab;color:#b42318}
@media(max-width:820px){.panel-title{align-items:flex-start;gap:12px}.panel-actions{justify-content:flex-end}.panel-actions #saveStatus{width:100%;text-align:right}.preview-actions{display:grid;grid-template-columns:1fr 1fr}.preview-actions .primary{grid-column:1/-1}.cloud-library{padding:50px 16px}.card-list{grid-template-columns:1fr}}
@media(max-width:620px){.share-row{grid-template-columns:1fr 1fr}.share-row input{grid-column:1/-1}.share-row a,.share-row button{padding:12px 8px}.share-row a:last-child{grid-column:1/-1}.publish-status{text-align:left}.panel-actions #addMoreBtn{margin-left:auto}}
.editing-notice{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px;border:1px solid #8fb79a;border-radius:14px;background:#edf7ef}.editing-notice[hidden]{display:none}.editing-notice strong,.editing-notice span{display:block}.editing-notice span{margin-top:3px;color:var(--muted);font-size:12px}
.topbar-actions{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-left:auto}.account-status{padding:7px 10px;border-radius:999px;background:#ece9e0;color:var(--muted);font-size:12px;white-space:nowrap}.account-status.signed-in{background:#e3f3e7;color:var(--green);font-weight:800}.account-login{display:inline-block;background:var(--green);color:#fff}.publish-hint{flex-basis:100%;color:var(--muted);line-height:1.5}.topbar [hidden]{display:none!important}
@media(max-width:620px){.topbar{align-items:center;padding:10px 12px}.topbar-actions{max-width:none;flex-wrap:nowrap}.account-status{display:none}.topbar-actions .small{padding:8px 9px;font-size:12px;white-space:nowrap}.brand{gap:7px}.brand-mark{width:36px;height:36px;font-size:17px}.brand strong{font-size:17px}.brand small{display:none}}