:root{--font-scale:1.15;--contact-footer-h:92px;--safe-area-bottom:env(safe-area-inset-bottom,0px);--primary:#EA580C;--secondary:#FDBA74;--success:#16A34A;--warning:#F59E0B;--danger:#DC2626;--bg:#FFF7ED;--card:#FFF;--text:#7C2D12;--text-secondary:#C2410C;--border:#FED7AA;--accent:#9A3412;--tile-bg:#FFEDD5;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:calc(16px * var(--font-scale));}
body{max-width:480px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);min-height:100vh;padding-bottom:calc(var(--contact-footer-h) + var(--safe-area-bottom));}
.top-nav{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;}
.segment-bar{display:flex;gap:.35rem;overflow-x:auto;padding:.5rem;background:var(--card);border-bottom:1px solid var(--border);}
.seg-pill{flex:0 0 auto;padding:.45rem .7rem;border:1px solid var(--border);border-radius:999px;background:var(--tile-bg);font-size:.78rem;min-height:44px;}
.seg-pill.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.profile-bar{padding:.65rem 1rem;background:var(--card);border-bottom:1px solid var(--border);}
.profile-inner{display:flex;gap:.6rem;align-items:center;}
.profile-avatar{font-size:1.6rem;}
.main-scroll{padding:.75rem;}
.kanban{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem;}
@media(min-width:400px){.kanban{grid-template-columns:repeat(2,1fr);}}
.kanban-col{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:.5rem;min-height:120px;}
.col-title{font-size:.75rem;border-left:4px solid var(--primary);padding-left:.4rem;margin-bottom:.4rem;}
.case-card{background:var(--tile-bg);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:10px;padding:.55rem;margin-bottom:.4rem;cursor:pointer;min-height:44px;}
.case-card:active{transform:scale(.97);}
.case-meta,.case-ev-count{font-size:.7rem;color:var(--text-secondary);}
.fab-add{position:fixed;right:1rem;bottom:calc(var(--contact-footer-h) + 1rem + env(safe-area-inset-bottom));width:56px;height:56px;border-radius:50%;border:none;background:var(--primary);color:#fff;font-size:.72rem;box-shadow:0 4px 14px rgba(0,0,0,.2);z-index:20;min-width:56px;min-height:56px;}
.form-card,.settings,.wizard,.stats-grid{display:flex;flex-direction:column;gap:.65rem;}
.form-card label,.evidence-form label{display:flex;flex-direction:column;gap:.25rem;font-size:.8rem;}
input,select,textarea{padding:.55rem;border:1px solid var(--border);border-radius:8px;font-size:inherit;min-height:44px;background:var(--card);}
.btn-primary,.btn-danger{padding:.65rem 1rem;border:none;border-radius:10px;min-height:44px;font-size:.85rem;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-danger{background:var(--danger);color:#fff;}
.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(4px);z-index:30;}
.drawer-panel{position:fixed;left:0;right:0;bottom:0;max-height:85vh;overflow:auto;background:var(--card);border-radius:16px 16px 0 0;padding:1rem;z-index:31;transform:translateY(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);}
#case-drawer.open .drawer-panel{transform:translateY(0);}
.drawer-close{position:absolute;right:1rem;top:.5rem;font-size:1.4rem;background:none;border:none;min-width:44px;min-height:44px;}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;}
.compare-col{padding:.5rem;background:var(--tile-bg);border-radius:8px;font-size:.75rem;}
.timeline{list-style:none;border-left:2px solid var(--border);padding-left:.75rem;margin:.5rem 0;}
.timeline li{margin-bottom:.5rem;font-size:.75rem;}
.timeline time{display:block;color:var(--text-secondary);font-size:.65rem;}
.platform-grid{display:flex;flex-direction:column;gap:.65rem;}
.platform-card{padding:.75rem;background:var(--card);border:1px solid var(--border);border-radius:12px;}
.checklist{list-style:none;margin-top:.5rem;}
.checklist label{display:flex;gap:.4rem;align-items:flex-start;padding:.3rem 0;font-size:.75rem;}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:.75rem;text-align:center;}
.stat-ring{width:100px;height:100px;margin:0 auto;}
.wizard-steps{display:flex;flex-wrap:wrap;gap:.3rem;margin-bottom:.5rem;}
.w-step{font-size:.65rem;padding:.25rem .45rem;border-radius:6px;background:var(--tile-bg);}
.w-step.active{background:var(--primary);color:#fff;}
.wizard-nav{display:flex;gap:.5rem;}
.notice-preview{white-space:pre-wrap;font-size:.72rem;background:var(--tile-bg);padding:.65rem;border-radius:8px;max-height:200px;overflow:auto;}
.ev-item{padding:.45rem;border-bottom:1px solid var(--border);font-size:.75rem;}
.ev-thumb{max-width:100%;border-radius:6px;margin-top:.3rem;}
.empty-hint{color:var(--text-secondary);font-size:.8rem;text-align:center;padding:1rem;}
.toast-container{position:fixed;top:1rem;left:50%;transform:translateX(-50%);z-index:99;display:flex;flex-direction:column;gap:.4rem;}
.toast-item{background:#1a1a1a;color:#fff;padding:.55rem .9rem;border-radius:8px;font-size:.8rem;opacity:0;transform:translateY(-8px);transition:opacity .25s,transform .25s;}
.toast-item.show{opacity:1;transform:translateY(0);}
.contact-footer{position:fixed;left:0;right:0;bottom:0;background:#1a1a1a;border-top:1px solid rgba(255,255,255,.08);padding:.55rem .75rem calc(.55rem + var(--safe-area-bottom));z-index:850;min-height:var(--contact-footer-h);}
.contact-footer__btns{display:grid;grid-template-columns:repeat(3,minmax(0,88px));justify-content:center;gap:.4rem;max-width:320px;margin:0 auto;}
.contact-footer__cta,.contact-footer__btn{display:flex;align-items:center;justify-content:center;text-align:center;padding:.48rem .2rem;border-radius:6px;font-size:.72rem;line-height:1.2;white-space:nowrap;min-height:32px;text-decoration:none;}
.contact-footer__cta{background:#c41e1e!important;color:#fff!important;font-weight:700;}
.contact-footer__btn{border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;cursor:pointer;font-family:inherit;}
.contact-footer__brand{text-align:center;font-size:.62rem;color:rgba(255,255,255,.5);margin:.4rem 0 0;line-height:1.3;padding:0 8px;}
body.has-contact-footer .zw-root .zw-fab{bottom:calc(var(--contact-footer-h) + 12px + var(--safe-area-bottom));z-index:860;}
body.share-page.has-contact-footer .zw-root .zw-fab,body.share-page.has-contact-footer .em-entry-btn{bottom:calc(var(--contact-footer-h) + 12px + var(--safe-area-bottom))!important;}
.theme-swatch{width:44px;height:44px;border-radius:50%;border:2px solid var(--border);}
.search-bar{display:flex;gap:.4rem;margin-bottom:.5rem;}
.filter-list{list-style:none;}
.service-tile:active{transform:scale(.97);}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}
@media(min-width:768px){body{box-shadow:0 0 40px rgba(0,0,0,.08);}}

.offline-banner{background:var(--warning);color:#fff;text-align:center;padding:.4rem;font-size:.75rem;}
.drag-over{border:2px dashed var(--primary);}
.col-count{font-size:.65rem;opacity:.7;}
.drawer-actions{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.75rem;}
.drawer-actions button{flex:1;min-width:44px;min-height:44px;}
.font-modes{display:flex;gap:.4rem;margin:.5rem 0;}
.font-btn{padding:.45rem .7rem;border:1px solid var(--border);border-radius:8px;background:var(--tile-bg);min-height:44px;}
#theme-grid{display:flex;gap:.5rem;margin:.5rem 0;}
.nav-share{font-size:1.1rem;text-decoration:none;}
.nav-brand{font-weight:600;}
.simple-list{list-style:none;padding:0;}
.simple-list li{padding:.5rem;border-bottom:1px solid var(--border);}
.filter-list .case-card{list-style:none;}
.wizard-nav button{flex:1;min-height:44px;border:1px solid var(--border);border-radius:8px;background:var(--card);}
.entry-drawer{position:fixed;inset:0;pointer-events:none;z-index:30;}
.entry-drawer.open{pointer-events:auto;}
.reduce-motion *{animation:none!important;transition:none!important;}

/* R264 extended styles */
.history-panel{padding:.75rem;background:var(--card);border-top:1px solid var(--border);margin-top:.5rem;border-radius:12px;}
.history-panel.hidden{display:none;}
.history-list{list-style:none;}
.history-list li{padding:.55rem;border-bottom:1px solid var(--border);font-size:.8rem;cursor:pointer;min-height:44px;display:flex;align-items:center;}
.history-list li:active{background:var(--tile-bg);}
.kanban-col .col-cards{max-height:280px;overflow-y:auto;-webkit-overflow-scrolling:touch;}
.case-card h4{font-size:.82rem;margin-bottom:.2rem;line-height:1.3;}
.form-card h2,.settings h2,.wizard h2{font-size:1rem;margin-bottom:.25rem;}
.platform-card h3{font-size:.9rem;margin-bottom:.35rem;}
.platform-card a{color:var(--primary);font-size:.8rem;}
.stat-card b{font-size:1.4rem;display:block;color:var(--primary);}
.stat-card p{font-size:.72rem;color:var(--text-secondary);margin-top:.2rem;}
#case-form button{margin-top:.5rem;width:100%;}
.drawer-panel h2{font-size:1rem;margin-bottom:.5rem;padding-right:2rem;}
.evidence-form{margin-top:.5rem;padding-top:.5rem;border-top:1px solid var(--border);}
@media(max-width:360px){.kanban{grid-template-columns:1fr;}}
@media(min-width:768px){.kanban{grid-template-columns:repeat(4,1fr);}.stats-grid{grid-template-columns:repeat(4,1fr);}}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
[aria-busy="true"]{opacity:.6;pointer-events:none;}
.seg-pill:focus-visible,.btn-primary:focus-visible,.fab-add:focus-visible{outline:2px solid var(--accent);}
.contact-footer a,.contact-footer button{cursor:pointer;}
.compare-grid .compare-col{word-break:break-all;}
/* share-page · R244 同款 */
body.share-page{padding-bottom:calc(var(--contact-footer-h) + 16px + var(--safe-area-bottom));}
.share-main{padding:24px 16px;max-width:480px;margin:0 auto;}
.share-card{background:var(--card);border-radius:20px;padding:28px 20px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.08);border:1px solid var(--border);}
.share-card h1{font-size:1.25rem;margin-bottom:.25rem;}
.share-icon{font-size:56px;margin-bottom:8px;line-height:1;}
.share-slogan{color:var(--primary);font-weight:600;margin:8px 0;font-size:.9rem;}
.share-list{text-align:left;padding-left:20px;margin:12px 0;font-size:.82rem;line-height:1.55;}
.share-list li{margin-bottom:.35rem;}
#share-qr{margin:16px 0;}
.action-row{display:flex;flex-direction:column;gap:.5rem;margin-top:.5rem;}
.btn-block{display:block;width:100%;text-align:center;padding:.65rem 1rem;border-radius:10px;font-size:.88rem;min-height:44px;text-decoration:none;}
.btn-outline{background:var(--card);color:var(--text);border:1px solid var(--border);}
body[data-brand="viral-formula"] .zw-root .zw-fab,body[data-brand="viral-formula"] .em-entry-btn{bottom:calc(var(--contact-footer-h) + 12px + var(--safe-area-bottom))!important;}
.notice-preview{font-family:ui-monospace,monospace;}
.wizard #wizard-body{min-height:120px;padding:.5rem 0;}
.platform-card ul.checklist{margin-top:.35rem;}
.col-title{display:flex;align-items:center;justify-content:space-between;}
/* animation */
@keyframes slideUp{from{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}
.case-card{animation:slideUp .28s cubic-bezier(.4,0,.2,1);}
@media(prefers-reduced-motion:reduce){.case-card{animation:none}}
/* trust row */
.trust-row{display:flex;flex-wrap:wrap;gap:.35rem;font-size:.68rem;color:var(--text-secondary);padding:.5rem 0;}
/* segment scroll snap */
.segment-bar{scroll-snap-type:x mandatory;}
.seg-pill{scroll-snap-align:start;}
/* drawer safe area */
.drawer-panel{padding-bottom:calc(1rem + env(safe-area-inset-bottom));}
/* fab safe */
.fab-add{padding:.25rem;}
/* form focus */
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 25%,transparent);}
/* checkbox touch */
.checklist input[type=checkbox]{width:18px;height:18px;min-height:18px;margin-top:2px;}
/* R264 formula kit */
.track-chips{display:flex;gap:.35rem;overflow-x:auto;padding-bottom:.5rem;scroll-snap-type:x mandatory;margin-bottom:.5rem;}
.track-chip{flex:0 0 auto;padding:.4rem .65rem;border:1px solid var(--border);border-radius:999px;background:var(--tile-bg);font-size:.72rem;min-height:44px;border-left:3px solid var(--chip-color,var(--primary));}
.track-chip.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.formula-grid{display:flex;flex-direction:column;gap:.5rem;}
.formula-card{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:12px;padding:.65rem;cursor:pointer;min-height:44px;}
.formula-card:active{transform:scale(.98);}
.fc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:.4rem;}
.fc-head h4{font-size:.88rem;line-height:1.3;}
.fav-btn{background:none;border:none;font-size:1.1rem;min-width:44px;min-height:44px;color:var(--warning);}
.fc-track{font-size:.7rem;color:var(--text-secondary);margin:.2rem 0;}
.retention-mini{width:100%;max-width:140px;height:36px;display:block;margin-top:.25rem;}
.structure-bar{display:flex;height:28px;border-radius:8px;overflow:hidden;margin:.5rem 0;font-size:.62rem;color:#fff;text-align:center;line-height:28px;}
.seg-hook{background:#EA580C;}.seg-body{background:#2563EB;}.seg-cta{background:#059669;}
.formula-section{margin:.5rem 0;padding:.5rem;background:var(--tile-bg);border-radius:8px;font-size:.78rem;}
.formula-section h4{font-size:.75rem;margin-bottom:.25rem;color:var(--text-secondary);}
.retention-chart{margin:.5rem 0;}
.retention-chart svg{width:100%;height:auto;}
.track-bars{display:flex;flex-direction:column;gap:.45rem;margin:.5rem 0;}
.bar-row{display:grid;grid-template-columns:5rem 1fr 2rem;align-items:center;gap:.35rem;font-size:.72rem;}
.bar-track{height:8px;background:var(--border);border-radius:4px;overflow:hidden;}
.bar-fill{height:100%;border-radius:4px;}
.stat-ring-wrap{position:relative;text-align:center;margin:1rem auto;}
.ring-label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.ring-label b{font-size:1.2rem;color:var(--primary);}
.ring-sub{text-align:center;font-size:.72rem;color:var(--text-secondary);}
.section-title{font-size:.85rem;margin:1rem 0 .35rem;}
.link-row{font-size:.75rem;margin-top:.75rem;}
.link-row a{color:var(--primary);}
/* stat ring text */
.stat-ring text{fill:var(--text);font-family:inherit;}
/* empty states */
.empty-hint{padding:1.5rem 1rem;}
/* profile small */
.profile-inner small{font-size:.7rem;color:var(--text-secondary);}
/* nav */
.top-nav{z-index:12;}
/* main min height */
.main-scroll{min-height:40vh;}