:root{color:#1f2933;background:#f6f7f9;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}.page-shell{min-height:100vh;padding:32px;display:grid;place-items:center;background:radial-gradient(circle at top left,rgba(43,122,120,.14),transparent 28%),linear-gradient(135deg,#f6f7f9,#e8f0ed)}.tool-panel{width:min(1080px,100%);padding:32px;border:1px solid #d7dedb;border-radius:8px;background:#ffffffeb;box-shadow:0 24px 70px #1f29331f}.heading{max-width:760px}.eyebrow{margin:0 0 8px;color:#2b7a78;font-size:.85rem;font-weight:700;letter-spacing:0;text-transform:uppercase}h1{margin:0;font-size:2.5rem;line-height:1.15}.heading p:last-child{margin:12px 0 0;color:#52616b;line-height:1.7}.groups-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}.group-card{display:grid;align-content:start;gap:16px}.group-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.group-title{display:flex;align-items:center;gap:12px;min-width:0}.group-title span{font-weight:700}.group-title strong{color:#2b7a78;font-size:.95rem;white-space:nowrap}.import-button{min-height:36px;padding:0 12px;color:#2b7a78;background:#edf6f4;border:1px solid rgba(43,122,120,.24);white-space:nowrap}.member-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.member-card{display:grid;grid-template-columns:36px 52px minmax(0,1fr) 36px;align-items:center;min-height:68px;padding:10px 14px;border-radius:8px;background:#f0f1f3;box-shadow:inset 0 1px #ffffffb8}.member-index{color:#1f2933;font-size:1rem;font-weight:800}.member-avatar{display:grid;place-items:center;width:48px;height:48px;border-radius:999px;color:#fff;background:linear-gradient(135deg,#2b7a78,#3aafa9);font-size:1.15rem;font-weight:800}.member-name-input{min-width:0;width:100%;overflow:hidden;border:0;border-bottom:2px solid transparent;padding:8px 0;color:#171f26;background:transparent;font-size:1.15rem;font-weight:800;text-overflow:ellipsis;outline:none}.member-name-input::placeholder{color:#9aa3aa;font-weight:700}.member-name-input:focus{border-bottom-color:#2b7a78}.remove-member-button{display:grid;place-items:center;min-height:32px;width:32px;padding:0;color:#52616b;background:#fff;border:1px solid #d7dedb;border-radius:999px;font-size:1.15rem;line-height:1}.add-member-button{min-height:44px;width:100%;color:#2b7a78;background:#edf6f4;border:1px dashed rgba(43,122,120,.42)}.add-member-button:hover:not(:disabled),.remove-member-button:hover:not(:disabled){border-color:#2b7a78;background:#e2f1ef}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}button{min-height:44px;border:0;border-radius:8px;padding:0 18px;cursor:pointer;font-weight:700}button:disabled{cursor:not-allowed;opacity:.48}.primary-button{color:#fff;background:#2b7a78}.secondary-button{color:#1f2933;background:#e6ecea}.result-panel{margin-top:28px;padding-top:10px;border-top:1px solid #d7dedb}.result-share-card{padding:20px 36px 40px;border-radius:8px;background:#fff}.result-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.result-header h2{margin:0;font-size:1.35rem}.share-button{color:#fff;background:#136f63}.result-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.result-list li{position:relative;display:flex;align-items:center;min-height:64px;padding:14px 16px;border:0;border-radius:8px;background:#f0f1f3;font-weight:700}.result-group{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#2b7a78;font-weight:900}.result-pair{display:grid;grid-template-columns:minmax(88px,1fr) 28px minmax(88px,1fr);align-items:center;gap:10px;width:min(360px,calc(100% - 96px));margin:0 auto}.result-name{overflow:hidden;color:#171f26;text-overflow:ellipsis;white-space:nowrap}.result-divider{display:grid;place-items:center;color:#1f2933}.result-name-centered{text-align:center}.dialog-backdrop{position:fixed;inset:0;z-index:10;display:grid;place-items:center;padding:24px;background:#1f293352}.import-dialog{width:min(560px,100%);padding:24px;border-radius:8px;background:#fff;box-shadow:0 24px 80px #1f293338}.import-dialog h2{margin:0 0 18px;font-size:1.35rem}.import-dialog label{display:grid;gap:10px;font-weight:800}.import-dialog textarea{min-height:180px;resize:vertical;border:1px solid #cad2d0;border-radius:8px;padding:14px;color:#1f2933;line-height:1.7;outline:none}.import-dialog textarea:focus{border-color:#2b7a78;box-shadow:0 0 0 3px #2b7a7829}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:18px}@media(max-width:720px){.page-shell{padding:16px;place-items:stretch}.tool-panel{padding:22px}h1{font-size:2rem}.groups-grid{grid-template-columns:1fr}.group-header{align-items:stretch;flex-direction:column}.group-title{justify-content:space-between}.result-header{align-items:stretch;flex-direction:column}.result-list li{padding-left:70px}.result-pair{width:100%;margin:0}}