:root{color:#1f2329;font-synthesis:none;background:#d9dde2;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,textarea{font:inherit}.app-shell{place-items:center;min-height:100vh;display:grid}.phone{background:#f5f6f8;width:min(100%,430px);height:100dvh;max-height:900px;position:relative;overflow:hidden;box-shadow:0 18px 55px #222a3533}.phone-header{text-align:center;z-index:3;background:#f7f7f7f0;border-bottom:1px solid #00000014;grid-template-columns:44px 1fr 44px;align-items:center;height:56px;padding:0 12px;display:grid;position:relative}.phone-header strong{font-size:17px}.nav-action{text-align:left;color:#17191c;background:0 0;border:0;height:44px;padding:0;font-size:35px;line-height:44px}.dots{letter-spacing:1px;text-align:right;font-size:18px}.chat-page{background:#ededed}.chat-scroll{height:calc(100% - 118px);padding:15px 16px;overflow-y:auto}.timestamp{text-align:center;color:#a1a1a1;margin:2px 0 19px;font-size:12px}.message-row{align-items:flex-start;gap:10px;display:flex}.avatar{border-radius:6px;flex:none;width:42px;height:42px}.message-stack{width:calc(100% - 52px);min-width:0}.bubble{background:#fff;border-radius:5px;max-width:282px;margin-bottom:12px;padding:12px 14px;font-size:15px;line-height:1.55;position:relative;box-shadow:0 1px 1px #00000008}.bubble:before{content:"";border:6px solid #0000;border-left-width:0;border-right:8px solid #fff;position:absolute;top:14px;left:-7px}.invite-card{text-align:left;width:100%;max-width:314px;color:inherit;background:#fff;border:0;border-radius:7px;padding:0;transition:opacity .12s,transform .12s;display:block;overflow:hidden;box-shadow:0 1px 2px #00000012}.invite-card:active{opacity:.72;transform:scale(.99)}.card-main{grid-template-columns:1fr 62px;gap:13px;padding:16px 13px 13px;display:grid}.card-main h2{margin:0 0 8px;font-size:16px;font-weight:600}.card-main p{color:#777;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:12px;line-height:1.5;display:-webkit-box;overflow:hidden}.card-logo{border-radius:5px;width:62px;height:62px}.card-footer{color:#aaa;border-top:1px solid #eee;justify-content:space-between;padding:8px 13px;font-size:12px;display:flex}.chat-input{width:100%;height:62px;padding:9px 11px calc(9px + env(safe-area-inset-bottom));background:#f7f7f7;border-top:1px solid #ddd;align-items:center;gap:9px;display:flex;position:absolute;bottom:0}.round-icon,.plus{border:2px solid #242424;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-size:16px;display:grid}.plus{font-size:24px;font-weight:300}.fake-input{background:#fff;border-radius:5px;flex:1;height:40px}.form-page{background:#f5f6f8}.form-scroll{height:calc(100% - 132px);padding-bottom:20px;overflow-y:auto}.rating-section{text-align:center;background:linear-gradient(145deg,#fff 60%,#f1f7ff);border-bottom:1px solid #eaecef;padding:31px 20px 27px}.eyebrow{color:#2174d4;letter-spacing:1.8px;margin:0 0 8px;font-size:10px;font-weight:700}.rating-section h1{margin:0 0 7px;font-size:22px}.hint{color:#8a9099;margin:0 0 22px;font-size:13px}.stars{justify-content:center;gap:7px;display:flex}.stars button{color:#dfe2e7;filter:drop-shadow(0 2px 2px #0000000f);background:0 0;border:0;padding:0 2px;font-size:41px;line-height:48px;transition:transform .12s,color .12s}.stars button:active{transform:scale(.86)}.stars button.active{color:#f6b81a}.rating-label{color:#a7abb2;height:27px;margin-top:8px;font-size:16px;font-weight:600}.rating-label.visible{color:#bd8100}.form-section{background:#fff;margin-top:10px;padding:19px 20px}.section-title{justify-content:space-between;align-items:center;margin-bottom:15px;display:flex}.section-title h2{margin:0;font-size:16px}.section-title span{color:#aaa;font-size:12px}.tag-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.tag-grid button,.choice-row button{color:#565c66;background:#fff;border:1px solid #dfe2e7;border-radius:7px;height:40px;font-size:14px}.tag-grid button.selected{color:#1766c1;background:#edf5ff;border-color:#2375d8;font-weight:600}.textarea-wrap{position:relative}.textarea-wrap textarea{resize:none;background:#fafbfc;border:1px solid #e0e3e8;border-radius:8px;outline:none;width:100%;height:104px;padding:12px 12px 30px;font-size:14px;display:block}.textarea-wrap textarea:focus{background:#fff;border-color:#4b8fdc}.textarea-wrap>span{color:#adb1b8;font-size:12px;position:absolute;bottom:9px;right:11px}.choice-row{grid-template-columns:1fr 1fr;gap:11px;display:grid}.choice-row button{justify-content:center;align-items:center;gap:8px;display:flex}.radio-dot{border:1.5px solid #b9bec6;border-radius:50%;width:16px;height:16px;position:relative}.choice-row button.selected{color:#1766c1;background:#edf5ff;border-color:#2375d8}.choice-row button.selected .radio-dot{border:5px solid #2375d8}.submit-bar{width:100%;height:76px;padding:11px 20px calc(11px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #e5e7eb;position:absolute;bottom:0}.submit{color:#fff;background:linear-gradient(90deg,#176aca,#2782e6);border:0;border-radius:8px;width:100%;height:48px;font-size:16px;font-weight:600;box-shadow:0 5px 13px #1a6fd13b}.submit:active{opacity:.82}.submit:disabled{opacity:.7}.spinner{vertical-align:-2px;border:2px solid #fff6;border-top-color:#fff;border-radius:50%;width:15px;height:15px;margin-right:8px;animation:.7s linear infinite spin;display:inline-block}.toast{color:#fff;white-space:nowrap;z-index:5;background:#191b1fe0;border-radius:6px;padding:10px 16px;font-size:14px;position:fixed;bottom:96px;left:50%;transform:translate(-50%)}@keyframes spin{to{transform:rotate(360deg)}}.result-page{background:#fff}.result-content{text-align:center;padding:100px 34px 40px}.result-icon{color:#fff;border-radius:50%;place-items:center;width:76px;height:76px;margin:0 auto 27px;font-size:43px;font-weight:300;display:grid}.result-icon.success{background:#20b66a;box-shadow:0 8px 24px #20b66a38}.result-icon.apology{background:#f09a3e;box-shadow:0 8px 24px #f09a3e38}.result-content h1{margin:0 0 14px;font-size:24px}.result-content>p{color:#737983;max-width:300px;margin:0 auto;font-size:15px;line-height:1.75}.result-rating{color:#888;background:#f7f8fa;border-radius:9px;justify-content:space-between;align-items:center;max-width:300px;margin:38px auto 0;padding:15px 17px;font-size:13px;display:flex}.result-rating strong{color:#f6b81a;letter-spacing:1px;font-size:18px}.done{color:#3d4651;background:#fff;border:1px solid #d5d9df;border-radius:8px;width:100%;max-width:300px;height:46px;margin-top:22px;font-size:15px}.done:active{background:#f5f6f8}@media (width>=431px){.app-shell{padding:28px}.phone{border-radius:22px;height:min(844px,100vh - 56px)}.toast{position:absolute}}@media (height<=650px){.rating-section{padding-top:18px;padding-bottom:16px}.form-section{padding-top:14px;padding-bottom:14px}.result-content{padding-top:60px}}