:root{color-scheme:light;--page-bg:#e7eef0;--phone-bg:#f6fbfb;--surface:#ffffff;--surface-soft:#eff8f7;--text-main:#122226;--text-subtle:#5f747a;--line:#dbe8e8;--brand:#0f766e;--brand-strong:#0b5c57;--brand-soft:#dff4f2;--success-soft:#e8f8ee;--warning-soft:#fbf4dd;--danger-soft:#fee8e8;--shadow:0 20px 40px rgba(18,34,38,0.12)}body,html{margin:0;padding:0;min-height:100%;background:linear-gradient(180deg,#eef7f8,#dde9eb);color:var(--text-main);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}body{min-width:320px}*{box-sizing:border-box}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.tutor-app-shell{min-height:100vh;display:flex;justify-content:center;padding:16px 12px 32px}.tutor-phone{width:min(100%,430px);height:calc(100vh - 32px);max-height:calc(100vh - 32px);background:var(--phone-bg);border:1px solid rgba(255,255,255,.8);border-radius:28px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}.tutor-shell-bar{z-index:10;display:flex;align-items:center;gap:12px;padding:14px 16px;background:rgba(246,251,251,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);flex-shrink:0}.tutor-shell-title{font-size:16px;font-weight:700;line-height:1.2}.tutor-shell-subtitle{font-size:12px;color:var(--text-subtle);margin-top:2px}.tutor-shell-side{width:32px;flex-shrink:0}.tutor-shell-content{flex:1 1;min-height:0;overflow-y:auto;padding:16px 16px 24px}.tutor-page{display:flex;flex-direction:column;gap:16px}.tutor-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px}.tutor-card-soft{background:var(--surface-soft)}.tutor-card-clickable{cursor:pointer}.tutor-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.tutor-section-title{font-size:16px;font-weight:700}.tutor-section-note{color:var(--text-subtle);font-size:12px}.tutor-stack{display:flex;flex-direction:column;gap:12px}.tutor-metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.tutor-metric{border-radius:8px;padding:12px;background:var(--surface-soft);border:1px solid rgba(15,118,110,.08)}.tutor-metric-label{color:var(--text-subtle);font-size:12px}.tutor-metric-value{margin-top:6px;font-size:24px;font-weight:700}.tutor-metric-progress .tutor-progress-track{margin-top:12px}.tutor-progress-track{height:8px;border-radius:999px;overflow:hidden;background:#d8ece8}.tutor-progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,#0f766e,#14b8a6)}.tutor-inline-list{display:flex;flex-wrap:wrap;gap:8px}.tutor-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;color:var(--text-subtle);background:#f3f7f7;border:1px solid var(--line)}.tutor-info-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px 12px;gap:10px 12px}.tutor-info-label{font-size:12px;color:var(--text-subtle)}.tutor-info-value{margin-top:4px;font-size:14px;font-weight:600;line-height:1.4}.tutor-list{display:flex;flex-direction:column;gap:12px}.tutor-list-card{padding:14px;border-radius:8px;border:1px solid var(--line);background:var(--surface)}.tutor-list-title{font-size:15px;font-weight:700}.tutor-list-subtitle{font-size:12px;color:var(--text-subtle);margin-top:4px}.tutor-actions{display:flex;flex-wrap:wrap;gap:8px}.tutor-actions-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:10px;gap:10px}.tutor-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px}.tutor-entry-card{gap:6px;min-height:88px;padding:14px;color:inherit}.tutor-action-tile,.tutor-entry-card{display:flex;flex-direction:column;border-radius:8px;border:1px solid rgba(15,118,110,.12);background:linear-gradient(180deg,#f1fbfa,#ffffff)}.tutor-action-tile{align-items:flex-start;gap:8px;min-height:86px;padding:12px}.tutor-action-icon{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-strong)}.tutor-empty{padding:20px 16px;border-radius:8px;border:1px dashed #c8d8d8;text-align:center;color:var(--text-subtle);background:rgba(255,255,255,.6)}.tutor-photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px}.tutor-photo-card img{aspect-ratio:1/1;object-fit:cover;border-radius:8px}.tutor-bottom-nav{z-index:12;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:6px;gap:6px;padding:10px 12px 12px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);flex-shrink:0}.tutor-bottom-link{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;border-radius:8px;color:var(--text-subtle);font-size:11px}.tutor-bottom-link.active{color:var(--brand-strong);background:var(--brand-soft);font-weight:700}.tutor-select-card{width:100%;padding:14px;text-align:left;font:inherit}.tutor-select-card.active{border-color:rgba(15,118,110,.28);background:#f2fbfa}.tutor-sticky-footer{position:-webkit-sticky;position:sticky;bottom:0;padding:12px 0 4px;background:linear-gradient(180deg,rgba(246,251,251,0),rgba(246,251,251,.96) 28%)}.tutor-login{min-height:100vh;display:grid;place-items:center;padding:20px 12px}.tutor-login-frame{width:min(100%,430px);border-radius:28px;overflow:hidden;background:var(--surface);border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow)}.tutor-login-cover{min-height:210px;padding:24px;color:white;background-position:50%;background-size:cover;display:flex;align-items:flex-end}.tutor-login-body{padding:20px}.tutor-login-hint{margin-top:12px;padding:12px;border-radius:8px;background:var(--surface-soft);color:var(--text-subtle);font-size:12px}.tutor-cover-title{font-size:28px;font-weight:700;line-height:1.15;max-width:220px}.tutor-cover-note{margin-top:8px;font-size:13px;line-height:1.5;max-width:260px}.tutor-modal-grid{display:grid;grid-gap:12px;gap:12px}.tutor-kv-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}.tutor-kv-row:last-child{border-bottom:none;padding-bottom:0}.tutor-kv-label{color:var(--text-subtle);font-size:12px}.tutor-kv-value{text-align:right;font-size:14px;font-weight:600;line-height:1.4}.tutor-tag-success{background:var(--success-soft)}.tutor-tag-warning{background:var(--warning-soft)}.tutor-tag-danger{background:var(--danger-soft)}.tutor-progress-note{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-subtle);font-size:12px}.tutor-me-profile{display:flex;align-items:center;gap:14px;padding:18px 16px;border-radius:8px;background:linear-gradient(180deg,#f2fbfa,#ffffff);border:1px solid rgba(15,118,110,.12)}.tutor-me-avatar{width:58px;height:58px;flex-shrink:0;overflow:hidden;border-radius:50%;border:2px solid rgba(15,118,110,.12);background:var(--brand-soft)}.tutor-me-avatar img{width:100%;height:100%;object-fit:cover}.tutor-me-name{font-size:18px;font-weight:700;line-height:1.2}.tutor-me-meta{margin-top:4px;line-height:1.5}.tutor-me-group-title,.tutor-me-meta{color:var(--text-subtle);font-size:12px}.tutor-me-group-title{padding:0 4px;font-weight:600}.tutor-menu-group{overflow:hidden;border-radius:8px;border:1px solid var(--line);background:var(--surface)}.tutor-menu-item{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;border-bottom:1px solid #edf4f4;background:var(--surface);color:inherit;text-align:left}.tutor-menu-item:last-child{border-bottom:none}.tutor-menu-item-button{border:none;cursor:pointer;font:inherit}.tutor-menu-item-danger .tutor-menu-item-title{color:#b42318}.tutor-menu-item-icon{width:36px;height:36px;flex-shrink:0;display:grid;place-items:center;border-radius:8px;background:var(--brand-soft);color:var(--brand-strong);font-size:16px}.tutor-menu-item-icon-danger{background:var(--danger-soft);color:#b42318}.tutor-menu-item-body{min-width:0;flex:1 1;display:flex;flex-direction:column;gap:2px}.tutor-menu-item-title{font-size:15px;font-weight:600;line-height:1.3}.tutor-menu-item-note,.tutor-menu-item-value{color:var(--text-subtle);font-size:12px;line-height:1.4}.tutor-menu-item-value{max-width:92px;text-align:right}.tutor-menu-item-arrow{flex-shrink:0;color:#9aacb0;font-size:12px}@media (max-width:420px){.tutor-actions-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tutor-info-grid,.tutor-metric-grid{grid-template-columns:1fr}}