:root{
  --ink:#111a4e;--muted:#8188a8;--line:#e7e8f7;--purple:#6252f4;--blue:#397af7;
  --soft:#f2f3ff;--card:rgba(255,255,255,.94);--shadow:0 16px 38px rgba(67,70,146,.12);
  --safe-bottom:env(safe-area-inset-bottom,0px)
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#edf0f8;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
button,input,textarea{font:inherit;color:inherit}button{cursor:pointer}.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}
svg{width:1.35em;height:1.35em;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mobile-prototype{position:relative;width:100%;height:100dvh;max-width:480px;margin:auto;overflow:hidden;background:#f3f4ff;box-shadow:0 0 70px rgba(48,52,108,.12)}
.screen{display:none;position:absolute;inset:0;overflow:hidden}.screen.active{display:block}
.gradient-screen,.assistant-screen{background:radial-gradient(circle at 75% 3%,rgba(104,85,255,.16),transparent 31%),linear-gradient(145deg,#f8f9ff 0%,#eef0ff 55%,#f4f5ff 100%)}
.welcome-header,.assistant-header{height:72px;padding:calc(10px + env(safe-area-inset-top,0px)) 18px 8px;display:flex;align-items:center;gap:12px;position:relative;z-index:10}.welcome-header strong,.assistant-header>strong{font-size:21px;letter-spacing:-.5px}.icon-button,.header-pill{border:0;background:rgba(255,255,255,.83);display:grid;place-items:center}.icon-button{width:40px;height:40px;border-radius:50%}.icon-button span{font-size:32px;line-height:1}.header-pill{min-width:46px;height:40px;padding:0 12px;border-radius:999px;box-shadow:0 6px 18px rgba(64,68,135,.07)}
.welcome-header strong{flex:1;text-align:center}.welcome-content{height:calc(100% - 72px);padding:2px 26px calc(24px + var(--safe-bottom));display:flex;flex-direction:column;align-items:center}.welcome-mascot-wrap{height:42%;width:88%;display:flex;align-items:flex-end;justify-content:center;position:relative}.welcome-mascot-wrap:before,.welcome-mascot-wrap:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(100,83,244,.14)}.welcome-mascot-wrap:before{width:260px;height:260px}.welcome-mascot-wrap:after{width:210px;height:210px}.welcome-mascot-wrap img{position:relative;z-index:1;height:96%;max-width:100%;object-fit:contain;filter:drop-shadow(0 16px 25px rgba(46,52,126,.16))}.welcome-content h1{font-size:29px;margin:5px 0 7px}.welcome-content h1 em{font-style:normal;color:var(--purple)}.welcome-content>p{font-size:18px;font-weight:700;margin:0}.welcome-abilities{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%;margin:25px 0 18px}.welcome-abilities div{text-align:center}.welcome-abilities svg{width:48px;height:48px;padding:12px;border-radius:17px;color:#4858da;background:#fff;box-shadow:var(--shadow)}.welcome-abilities b,.welcome-abilities small{display:block}.welcome-abilities b{font-size:14px;margin-top:7px}.welcome-abilities small{font-size:11px;color:#959bb8;margin-top:2px}.primary-button{border:0;color:#fff;font-weight:800;border-radius:19px;background:linear-gradient(105deg,var(--blue),var(--purple));box-shadow:0 14px 28px rgba(79,77,232,.24)}.welcome-cta{width:100%;padding:16px;margin-top:auto}.welcome-note{font-size:10px;color:#a1a6bd;margin-top:11px}
.assistant-header{background:rgba(248,249,255,.68);backdrop-filter:blur(14px)}.menu-button{background:transparent}.assistant-header>strong{margin-right:auto}.header-actions{display:flex;align-items:center;gap:7px}.agent-pill{height:40px;padding:0 13px;border-radius:999px;background:rgba(255,255,255,.88);display:flex;align-items:center;font-weight:800;font-size:13px;box-shadow:0 6px 18px rgba(64,68,135,.07)}.agent-pill span{color:var(--purple);margin-right:4px}.more-menu{position:absolute;right:18px;top:66px;z-index:30;width:218px;padding:7px;border:1px solid rgba(225,226,244,.9);border-radius:18px;background:rgba(255,255,255,.97);box-shadow:0 18px 42px rgba(42,46,105,.18);backdrop-filter:blur(18px);animation:menu-in .18s ease both}.more-menu[hidden]{display:none}.more-menu button{width:100%;min-height:58px;padding:9px 10px;border:0;border-radius:13px;background:transparent;display:flex;align-items:center;gap:11px;text-align:left}.more-menu button:hover,.more-menu button:focus-visible{background:#f3f3ff}.more-menu svg{width:21px;height:21px;color:#514ce7}.more-menu span{display:grid;gap:2px}.more-menu b{font-size:13px}.more-menu small{font-size:10px;color:var(--muted)}@keyframes menu-in{from{opacity:0;transform:translateY(-5px) scale(.98)}to{opacity:1;transform:none}}
.conversation{height:calc(100% - 72px);overflow-y:auto;overscroll-behavior:contain;padding:0 15px calc(142px + var(--safe-bottom));scrollbar-width:none}.conversation::-webkit-scrollbar{display:none}.home-intro{animation:rise .45s ease both}.home-hero{height:184px;position:relative;overflow:visible}.home-hero:before{content:"";position:absolute;inset:-32px -38px -22px 34%;background:radial-gradient(circle,rgba(105,87,246,.14),rgba(105,87,246,.045) 44%,transparent 70%);pointer-events:none}.home-hero:after{content:"";position:absolute;right:-46px;top:-20px;width:235px;height:235px;border-radius:50%;border:1px solid rgba(98,82,244,.1);box-shadow:0 0 0 34px rgba(98,82,244,.025),0 0 0 68px rgba(98,82,244,.018)}.home-hero img{position:absolute;right:-3px;bottom:-9px;height:190px;z-index:2}.hero-copy{position:absolute;left:23px;top:27px;width:54%;z-index:3}.hero-copy span{font-size:25px;font-weight:900;color:#534cf0}.hero-copy h1{font-size:20px;line-height:1.38;margin:9px 0 5px}.hero-copy p{font-size:12px;color:var(--muted);margin:0}.health-panel{margin-top:12px;position:relative;z-index:3;border-radius:27px;padding:19px;background:var(--card);border:1px solid #fff;box-shadow:var(--shadow)}.panel-title{display:flex;align-items:center;min-height:44px}.panel-title i{width:5px;height:25px;border-radius:9px;background:linear-gradient(var(--purple),#4d78ff)}.panel-title h2{font-size:20px;margin:0 0 0 10px}.health-record-button{margin-left:auto;min-height:44px;padding:0 3px 0 14px;border:0;background:transparent;color:#727999;font-size:15px;font-weight:600;display:flex;align-items:center;gap:5px}.health-record-button span{font-size:18px;line-height:1;transform:translateY(-1px)}.health-record-button:hover,.health-record-button:focus-visible{color:#514ce7}.gift-card{display:flex;align-items:center;gap:11px;margin-top:12px;padding:14px;border-radius:21px;background:linear-gradient(120deg,#fff,#f1edff);border:1px solid #ebe7ff}.gift-mark{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;color:#fff;background:linear-gradient(140deg,#ffb54d,#ff6881);font-weight:900}.gift-card b{font-size:15px}.gift-card p{font-size:11px;color:var(--muted);margin:4px 0 0}.gift-card button{margin-left:auto;border:0;padding:9px 12px;border-radius:999px;background:#e8e4ff;color:#373273;font-weight:700}.question-card{width:100%;display:flex;align-items:center;gap:11px;margin-top:11px;padding:12px;border:0;border-radius:18px;background:#fff;box-shadow:0 7px 17px rgba(54,58,125,.055);text-align:left}.question-card b{font-size:13px}.question-card>span:last-child{margin-left:auto;color:#a4a9bf;font-size:21px}.round-mark{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:50%;color:#fff;background:linear-gradient(145deg,#4f42ef,#6173ff);font-weight:800}.round-mark svg{width:19px}.intro-hint{text-align:center;color:#8d93ad;font-size:11px;margin:13px 0 7px}.intro-hint span{color:var(--purple);font-weight:800}
.message-row{display:flex;gap:8px;margin:14px 0;animation:rise .3s ease both}.message-row.user{justify-content:flex-end}.avatar{width:34px;height:34px;border-radius:50%;object-fit:contain;background:#fff;flex:none;box-shadow:0 4px 12px rgba(54,58,125,.08)}.bubble{max-width:80%;padding:11px 14px;border-radius:17px;background:#fff;box-shadow:0 8px 20px rgba(48,53,120,.075);font-size:13px;line-height:1.65}.message-row.ai .bubble{border-top-left-radius:5px}.message-row.user .bubble{color:#fff;background:linear-gradient(135deg,#5575f5,var(--purple));border-top-right-radius:5px}.conversation-divider{text-align:center;color:#9ba0b6;font-size:11px;margin:18px 0 4px}.typing-dot{display:inline-flex;gap:4px}.typing-dot i{width:5px;height:5px;border-radius:50%;background:#8e94b2;animation:typing 1s infinite}.typing-dot i:nth-child(2){animation-delay:.15s}.typing-dot i:nth-child(3){animation-delay:.3s}@keyframes typing{50%{transform:translateY(-3px);opacity:.5}}
.flow-card{width:calc(100% - 16px);margin:12px auto;padding:17px;border-radius:24px;background:rgba(255,255,255,.96);border:1px solid #fff;box-shadow:var(--shadow);animation:rise .36s ease both}.flow-card-head{display:flex;align-items:center;gap:10px}.flow-icon{width:43px;height:43px;border-radius:15px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#3e83ff,var(--purple));flex:none}.flow-icon svg{width:22px}.flow-card-head h3{font-size:17px;margin:0}.flow-card-head p{font-size:10px;color:var(--muted);margin:3px 0 0}.head-tools{margin-left:auto;display:flex;align-items:center;gap:6px}.secure-label{color:#665aed;font-size:10px;background:#efedff;padding:5px 7px;border-radius:999px;display:flex;align-items:center;gap:3px}.flow-exit{margin-left:auto;border:1px solid #dfe1f4;background:#f7f7fd;color:#6d7392;border-radius:999px;padding:7px 10px;font-size:10px;font-weight:700;white-space:nowrap}.flow-exit:hover,.flow-exit:focus-visible{color:#5147df;border-color:#bcb8f7;background:#f1efff}.steps{display:flex;align-items:center;gap:5px;margin:14px 0 13px;padding:9px 10px;border-radius:13px;background:#f3f4ff;font-size:10px;color:#8d93ad}.steps b{color:#454c7a}.steps span{color:#bbbfd0}.card-copy{font-size:13px;line-height:1.65;color:#4f5678;margin:8px 0 13px}.field-label{display:block;font-size:12px;font-weight:800;margin:13px 0 8px}.choice-row{display:flex;flex-wrap:wrap;gap:7px}.choice-row button,.suggestion-row button{border:1px solid #e2e4f5;background:#fff;color:#626987;border-radius:999px;padding:8px 11px;font-size:11px}.choice-row button.active{border-color:transparent;color:#fff;background:linear-gradient(110deg,#4b78f6,var(--purple))}.flow-card textarea{width:100%;min-height:82px;resize:none;border:1px solid #ececf7;background:#f8f8fd;border-radius:15px;padding:11px;outline:none;font-size:12px;line-height:1.55;margin-top:12px}.flow-card textarea:focus{border-color:#8b82f8;box-shadow:0 0 0 3px rgba(101,82,244,.1)}.card-action{width:100%;border:0;border-radius:14px;padding:12px;margin-top:12px;color:#fff;font-weight:800;font-size:13px;background:linear-gradient(105deg,var(--blue),var(--purple))}.upload-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:13px}.upload-actions button{border:1px solid #dfe2f7;background:#fff;border-radius:15px;padding:12px 3px;display:grid;justify-items:center;gap:5px;font-size:11px}.upload-actions svg{color:#4e65e9;font-size:20px}.sample-row{display:flex;gap:7px;margin-top:10px}.sample-row button{flex:1;border:0;background:#f3f4fb;border-radius:11px;padding:9px 3px;color:#636987;font-size:10px}.hospital-results{display:grid;gap:9px;margin-top:12px}.hospital-item{padding:12px;border-radius:16px;background:#f7f8ff;border:1px solid #eceefa}.hospital-item h4{font-size:13px;margin:0}.hospital-item p{font-size:10px;color:var(--muted);margin:4px 0 9px}.hospital-meta{display:flex;align-items:center;font-size:10px;color:#747a98}.hospital-meta b{color:#f0646d}.hospital-meta button{margin-left:auto;border:0;border-radius:999px;padding:7px 10px;color:#fff;background:var(--purple)}.slot-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:10px}.slot-row button{border:1px solid #dfe2f5;background:#fff;border-radius:10px;padding:8px 2px;font-size:11px}.slot-row button.active{color:#fff;background:var(--purple);border-color:var(--purple)}.result-grade{display:flex;align-items:center;gap:10px;margin:12px 0;padding:11px;border-radius:15px;background:#fff5ef}.result-grade strong{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#ff9b58,#ff6e72)}.result-grade b{display:block;font-size:13px}.result-grade span{display:block;color:#8a6f72;font-size:10px;margin-top:3px}.advice-list{margin:8px 0 0;padding-left:18px;color:#555d7c;font-size:11px;line-height:1.7}.metric-list{margin-top:12px}.metric{display:grid;grid-template-columns:1.3fr .8fr .6fr;gap:5px;padding:9px 0;border-bottom:1px solid #eff0f7;font-size:10px}.metric strong{color:#ed6670}.metric strong.ok{color:#2aa17e}.report-summary{margin-top:11px;padding:11px;border-radius:14px;background:#f5f6ff;font-size:11px;line-height:1.6;color:#59617d}.success-card{position:relative;text-align:center;padding-top:20px}.success-exit{position:absolute;right:14px;top:14px}.success-mark{width:52px;height:52px;margin:0 auto 8px;border-radius:50%;display:grid;place-items:center;color:#1ca878;background:#e8fff5}.success-mark svg{width:27px}.success-card h3{margin:0;font-size:17px}.success-card p{color:#717894;font-size:11px;line-height:1.7}.suggestion-row{display:flex;flex-wrap:wrap;gap:6px;width:calc(100% - 16px);margin:10px auto 0}.disclaimer{font-size:9px;color:#9ba0b5;line-height:1.5;margin-top:10px}
.composer-dock{position:absolute;left:0;right:0;bottom:0;z-index:20;padding:8px 12px calc(10px + var(--safe-bottom));background:linear-gradient(180deg,rgba(242,243,255,0),rgba(242,243,255,.95) 18%,#f2f3ff 42%)}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-bottom:8px}.feature-strip button{height:36px;border:1px solid rgba(226,228,247,.9);background:rgba(255,255,255,.92);border-radius:999px;display:flex;align-items:center;justify-content:center;gap:5px;font-size:11px;box-shadow:0 5px 15px rgba(57,61,130,.06)}.feature-strip button.active{color:#fff;border-color:transparent;background:linear-gradient(110deg,#477cf7,var(--purple))}.feature-strip svg{width:17px;height:17px}.composer{height:58px;border-radius:24px;background:#fff;display:flex;align-items:center;padding:0 8px;box-shadow:0 14px 34px rgba(45,49,112,.13)}.composer input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:0 8px;font-size:13px}.composer input::placeholder{color:#9ca1b6}.composer-icon,.send-button{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;flex:none}.composer-icon{border:1.5px solid #202858;background:#fff}.camera-button{border:0;color:#4f5ee4}.send-button{border:0;color:#fff;background:linear-gradient(145deg,#4d75f6,var(--purple))}.toast{position:fixed;left:50%;bottom:142px;z-index:100;transform:translate(-50%,10px);opacity:0;pointer-events:none;white-space:nowrap;color:#fff;background:rgba(20,25,67,.92);padding:9px 14px;border-radius:999px;font-size:11px;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}.visually-hidden{position:fixed;left:-9999px;width:1px;height:1px;opacity:0}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(80,95,245,.3);outline-offset:2px}.composer input,.flow-card textarea{font-size:16px}.composer input:focus-visible{outline:none}.composer:focus-within{box-shadow:0 14px 34px rgba(45,49,112,.13),0 0 0 3px rgba(80,95,245,.16)}.composer-dock{bottom:var(--keyboard-offset,0px)}.conversation{overflow-x:hidden}.more-menu{width:158px}.more-menu button{min-height:48px}.health-record-button{gap:0;padding:0 14px;border:1px solid #dedaff;border-radius:999px;background:#efedff;color:#5147df;font-weight:700;box-shadow:0 5px 12px rgba(81,71,223,.1)}.health-record-button:hover,.health-record-button:focus-visible{background:#e8e5ff;border-color:#cbc5ff;color:#4339cf}@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (min-width:700px){body{padding:18px}.mobile-prototype{height:calc(100dvh - 36px);border-radius:28px}}
@media (max-height:720px){.home-hero{height:155px}.home-hero img{height:165px}.gift-card{padding:11px}.question-card{padding:9px}.welcome-mascot-wrap{height:37%}.welcome-abilities{margin:16px 0 12px}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}