:root{--ink:#172321;--muted:#71807c;--line:#e4e9e6;--paper:#f5f7f5;--white:#fff;--green:#0c6b52;--green-dark:#084f3d;--green-soft:#e7f2ed;--accent:#c8ff55;--shadow:0 18px 55px rgba(20,49,40,.12)}*{box-sizing:border-box}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-size:14px}button,input{font:inherit}button{cursor:pointer}.login-view{min-height:100vh;display:grid;place-items:center;padding:30px;background:radial-gradient(circle at 15% 15%,#d9f9d5 0,transparent 25%),linear-gradient(135deg,#eff5ef,#f7f8f5 60%,#e0ede7)}.login-view:before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(12,107,82,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(12,107,82,.035) 1px,transparent 1px);background-size:32px 32px}.login-card{position:relative;width:min(440px,100%);padding:46px;border:1px solid rgba(255,255,255,.8);border-radius:28px;background:rgba(255,255,255,.91);box-shadow:0 30px 90px rgba(8,79,61,.16);backdrop-filter:blur(14px)}.brand-mark{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:var(--green);color:var(--accent);font-size:22px;font-weight:800;box-shadow:0 9px 20px rgba(12,107,82,.22)}.brand-mark.small{width:40px;height:40px;border-radius:12px;font-size:17px;box-shadow:none}.eyebrow{margin:24px 0 7px;color:var(--green);font-size:10px;letter-spacing:.16em;font-weight:800}.login-card h1{font-size:29px;margin:0;letter-spacing:-.04em}.subtle{color:var(--muted);margin:10px 0 30px}.login-card label{display:block;font-weight:700;margin:18px 0 0}.login-card input{display:block;width:100%;margin-top:8px;padding:14px 15px;border:1px solid var(--line);border-radius:12px;outline:none;background:#fafcfa}.login-card input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(12,107,82,.1)}.primary,.secondary{border:0;border-radius:11px;padding:12px 19px;font-weight:700}.primary{background:var(--green);color:#fff;box-shadow:0 7px 16px rgba(12,107,82,.18)}.primary:hover{background:var(--green-dark)}.primary:disabled{opacity:.55;cursor:not-allowed}.secondary{background:#eef1ef;color:var(--ink)}.wide{width:100%;margin-top:24px;display:flex;justify-content:center;gap:16px}.form-error{min-height:20px;color:#b63838;margin:10px 0 0;text-align:center}.security-note{display:flex;justify-content:center;align-items:center;gap:8px;color:var(--muted);font-size:12px;margin:18px 0 0}.security-note i,.status-dot{width:7px;height:7px;border-radius:50%;background:#36ad72;box-shadow:0 0 0 4px #ddf3e7}.demo-tip{padding:10px 12px;background:#f0f8f4;color:var(--green);border-radius:9px;font-size:12px;margin:14px 0 0}.app{min-height:100vh;display:grid;grid-template-columns:226px 1fr}.sidebar{position:fixed;z-index:5;inset:0 auto 0 0;width:226px;background:#102a24;color:#fff;padding:28px 20px;display:flex;flex-direction:column}.logo-row{display:flex;align-items:center;gap:12px;margin-bottom:43px}.logo-row b,.logo-row span{display:block}.logo-row b{font-size:16px}.logo-row span{font-size:10px;color:#a9bbb5;letter-spacing:.15em;margin-top:3px}.nav-item{width:100%;display:flex;align-items:center;gap:12px;padding:13px 14px;margin:5px 0;border:0;border-radius:12px;background:transparent;color:#b9c7c3;text-align:left}.nav-item.active{background:#fff;color:#12362d;font-weight:700}.nav-icon{width:24px;height:24px;display:grid;place-items:center;border-radius:7px;background:rgba(255,255,255,.08)}.nav-item.active .nav-icon{background:var(--green-soft);color:var(--green)}.sidebar-foot{margin-top:auto;color:#9aafa9;font-size:11px;display:flex;align-items:center;gap:10px;padding:12px}.sidebar-foot .status-dot{box-shadow:none}.app main{grid-column:2}.topbar{height:92px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 42px;position:sticky;top:0;z-index:4}.topbar .eyebrow{margin:0 0 5px}.topbar h2{margin:0;font-size:20px}.user-menu{display:flex;align-items:center;gap:10px}.user-menu b,.user-menu span{display:block}.user-menu span{font-size:10px;color:var(--muted);margin-top:2px}.user-menu button{margin-left:12px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 11px;color:var(--muted)}.avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:10px;background:var(--green-soft);color:var(--green);font-weight:800}.content{padding:34px 42px 70px;max-width:1500px;margin:auto}.page{display:none}.page.active{display:block;animation:fade .25s ease}@keyframes fade{from{opacity:0;transform:translateY(5px)}}.intro{display:flex;justify-content:space-between;align-items:flex-start;margin:0 0 20px}.intro h3{font-size:25px;margin:0 0 7px;letter-spacing:-.03em}.intro p{margin:0;color:var(--muted)}.step{font-size:42px;color:#dce5e1;font-weight:800;letter-spacing:-.07em}.query-card,.result-card{background:#fff;border:1px solid var(--line);border-radius:18px}.query-card{padding:24px;margin-bottom:20px}.field-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:12px}.field-head label{font-weight:800;font-size:15px}.field-head em{font-style:normal;font-size:10px;color:#b35c45;background:#fff1ed;border-radius:5px;padding:2px 5px;margin-left:5px}.field-head p{margin:5px 0 0;color:var(--muted);font-size:12px}.limit{font-size:11px;color:var(--muted);padding:5px 9px;background:var(--paper);border-radius:7px}.picker-trigger{min-height:48px;border:1px solid #dce3df;border-radius:12px;background:#fbfcfb;display:flex;align-items:center;gap:7px;padding:8px 13px;color:var(--muted);cursor:pointer}.picker-trigger:hover{border-color:#8ba99f}.picker-trigger b{margin-left:auto}.chips{display:flex;flex-wrap:wrap;gap:7px}.chip{display:flex;align-items:center;gap:7px;padding:7px 9px;border-radius:8px;background:var(--green-soft);color:var(--green-dark);font-size:12px;font-weight:600}.chip button{border:0;background:transparent;color:var(--green);padding:0;font-size:15px}.action-row{display:flex;justify-content:flex-end;align-items:center;gap:18px;border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.action-row span{margin-right:auto;color:var(--muted);font-size:12px}.result-card{min-height:260px;overflow:hidden}.empty-result{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted)}.empty-result h4{color:var(--ink);margin:10px 0 5px}.empty-result p{margin:0;font-size:12px}.empty-art{width:50px;height:50px;border-radius:15px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:23px}.filter-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.modal[hidden]{display:none}.modal{position:fixed;z-index:20;inset:0;display:grid;place-items:center;padding:24px}.modal-backdrop{position:absolute;inset:0;background:rgba(9,25,21,.62);backdrop-filter:blur(4px)}.picker-panel,.area-panel{position:relative;background:#fff;border-radius:20px;box-shadow:var(--shadow);width:min(1180px,96vw);max-height:88vh;display:flex;flex-direction:column;overflow:hidden}.picker-panel>header,.area-panel>header{padding:21px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.picker-panel header .eyebrow,.area-panel header .eyebrow{margin:0 0 4px}.picker-panel h3,.area-panel h3{margin:0}.icon-button{border:0;background:var(--paper);font-size:23px;border-radius:9px;width:36px;height:36px}.picker-body{display:grid;grid-template-columns:38px 1fr 1fr 1.45fr 1.2fr;min-height:490px;overflow:hidden}.letter-rail{overflow:auto;padding:12px 4px;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center}.letter-rail button{border:0;background:transparent;color:#72847e;font-size:10px;padding:3px}.picker-column,.selection-pane{min-width:0;border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden}.selection-pane{border:0;background:#f8faf8}.column-title{height:45px;flex:0 0 auto;padding:13px 15px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.column-title span{font-size:10px;color:var(--muted)}.option-list{overflow:auto;height:100%;padding:8px}.option-list.placeholder{display:grid;place-items:center;color:#9aa5a1;font-size:12px}.option{display:block;width:100%;border:0;background:transparent;text-align:left;padding:10px;border-radius:8px;color:#33423e}.option:hover,.option.active{background:var(--green-soft);color:var(--green-dark)}.brand-letter{position:sticky;top:0;background:#fff;padding:6px 9px;color:var(--green);font-size:11px;font-weight:800}.year-title{padding:10px 9px 4px;font-weight:800;color:var(--green);border-bottom:1px solid #eef1ef}.model-option{display:flex;gap:8px;align-items:flex-start}.model-option i{width:15px;height:15px;margin-top:2px;border:1px solid #afbbb7;border-radius:4px;flex:0 0 auto}.model-option.active i{background:var(--green);border-color:var(--green);box-shadow:inset 0 0 0 3px #fff}.draft-list{padding:8px;overflow:auto}.draft-item{background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px;margin-bottom:7px;display:flex;gap:7px;align-items:flex-start}.draft-item span{font-size:11px;line-height:1.45}.draft-item button{margin-left:auto;border:0;background:transparent;color:#81908b}.picker-panel>footer{padding:15px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}.area-panel{width:min(650px,96vw)}.area-body{display:grid;grid-template-columns:1fr 1fr;height:430px}.area-body>div{min-width:0;display:flex;flex-direction:column;overflow:hidden;border-right:1px solid var(--line)}.area-body>div:last-child{border:0}.result-head{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.result-head h4{margin:0}.result-head span{font-size:11px;color:var(--muted)}.table-wrap{overflow:auto;max-height:600px}.matrix{border-collapse:separate;border-spacing:0;min-width:100%;font-size:12px}.matrix th,.matrix td{padding:12px 15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left;min-width:220px;vertical-align:top}.matrix th{position:sticky;top:0;background:#f0f5f2;z-index:2;font-weight:800}.matrix th:first-child,.matrix td:first-child{position:sticky;left:0;z-index:3;min-width:180px;width:180px;background:#f8faf8;font-weight:700;color:#50615c}.matrix th:first-child{z-index:4;background:#e7f1ec;color:var(--green-dark)}.matrix tr:last-child td{border-bottom:0}.package-grid{padding:18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:14px}.package-card{border:1px solid var(--line);border-radius:13px;overflow:hidden}.package-card h5{margin:0;padding:14px 15px;background:#f4f8f6}.package-card table{width:100%;border-collapse:collapse;font-size:12px}.package-card td,.package-card th{padding:10px 12px;border-top:1px solid var(--line);text-align:left}.package-card th{color:var(--muted);font-weight:600}.price-hero{padding:24px;display:flex;gap:22px;align-items:center;background:linear-gradient(110deg,#e9f5ef,#f8fbf9)}.price-hero strong{font-size:32px;color:var(--green-dark)}.price-hero span{display:block;color:var(--muted);font-size:11px;margin-top:5px}.toast{position:fixed;z-index:50;bottom:26px;left:50%;transform:translateX(-50%);background:#172a25;color:#fff;padding:11px 17px;border-radius:10px;box-shadow:var(--shadow)}.loading{opacity:.65;pointer-events:none}.loading:after{content:"";width:14px;height:14px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;display:inline-block;margin-left:8px;vertical-align:-2px;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:800px){.app{display:block}.sidebar{position:static;width:100%;height:auto;padding:14px 16px;flex-direction:row;align-items:center}.logo-row{margin:0}.logo-row>div:last-child,.sidebar-foot{display:none}.sidebar nav{display:flex;margin-left:auto}.nav-item{width:auto}.nav-item span:last-child{display:none}.app main{display:block}.topbar{height:75px;padding:0 18px}.content{padding:25px 16px}.filter-grid{grid-template-columns:1fr}.picker-body{grid-template-columns:30px 1fr 1fr}.selection-pane,.models-column{grid-column:2/4;min-height:230px}.picker-panel{max-height:95vh}.user-menu>div:not(.avatar){display:none}}