body{margin:0;font-family:Microsoft YaHei,PingFang SC,sans-serif;background:linear-gradient(180deg,#eef4ff,#f6f8fc)}*{box-sizing:border-box}.page{min-height:100vh;padding:20px 12px}.phone-shell{max-width:430px;margin:0 auto;padding:10px;border-radius:32px;background:#1d1f26;box-shadow:0 20px 60px #1f25332e}.phone-screen{min-height:calc(100vh - 40px);max-height:calc(100vh - 40px);overflow:hidden;border-radius:26px;background:#f8fbff;display:flex;flex-direction:column}.mobile-header{padding:18px 16px 12px;display:flex;align-items:center;justify-content:flex-start;border-bottom:1px solid #e8edf5;background:#fff}.mobile-title{margin:0!important}.chat-panel{flex:1;overflow-y:auto;padding:12px}.chat-item{padding-inline:0!important}.composer{padding:12px;border-top:1px solid #e8edf5;background:#fff;display:flex;flex-direction:column;gap:10px}.message{width:100%;padding:12px 16px;border-radius:12px;background:#fff;border:1px solid #e8ebf0}.message-user{background:#edf5ff}.message-assistant{background:#f5fff4}.message-content{margin:8px 0;color:#1f1f1f;line-height:1.75}.rich-block+.rich-block,.rich-block+.rich-list,.rich-block+.rich-paragraph,.rich-list+.rich-block,.rich-list+.rich-list,.rich-list+.rich-paragraph,.rich-paragraph+.rich-block,.rich-paragraph+.rich-list,.rich-paragraph+.rich-paragraph{margin-top:12px}.rich-heading{font-size:15px;font-weight:700;color:#1f1f1f;margin-bottom:8px}.rich-paragraph{margin:0!important;color:#1f1f1f}.rich-list{margin:0;padding-left:20px}.rich-list li+li{margin-top:6px}.nutritionist-card{margin-top:12px;padding:12px;border:1px solid #cfe5ff;border-radius:10px;background:#f7fbff;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.nutritionist-body{flex:1}.nutritionist-message{margin:8px 0 0;color:#555}.nutritionist-qr{width:120px;height:120px;border-radius:8px;background:#fff;border:1px solid #d9d9d9;object-fit:contain}@media(max-width:480px){.page{padding:0}.phone-shell{max-width:100%;padding:0;border-radius:0;box-shadow:none}.phone-screen{min-height:100vh;max-height:100vh;border-radius:0}}