:root{--green:#009e75;--dark:#173e35;--muted:#84908d;--line:#edf0ed;--bg:#f6f8f6;--red:#e37764}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#243d35;font-size:16px}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit}button:disabled{opacity:.5;cursor:wait}a{color:inherit}button,input,select,textarea{outline-offset:4px}svg.icon{width:20px;height:20px;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.topbar{height:82px;border-bottom:1px solid #e6ebe6;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(32px,calc((100vw - 1200px)/2));gap:20px}.brand{display:flex;align-items:center;gap:11px}.brandmark{background:var(--green);color:#fff;width:37px;height:39px;display:grid;place-items:center;border-radius:12px;transform:rotate(-5deg)}.brand strong{font-size:24px;letter-spacing:2px}.brand small{display:block;font-size:12px;letter-spacing:1px;color:#98a49e;margin-top:1px}.topnav{display:flex;gap:35px;height:100%;align-items:center}.topnav button{height:100%;font-size:16px;color:#8a9691;position:relative}.topnav button.active{color:var(--green);font-weight:650}.topnav .active:after{content:'';position:absolute;bottom:0;height:3px;background:var(--green);left:0;right:0}.account{display:flex;align-items:center;gap:9px}.account span:last-child{font-size:15px;color:#6d7e75}.container{max-width:1200px;padding:30px 0 45px;margin:auto}.breadcrumb{display:flex;justify-content:space-between;color:#8b9790;font-size:15px;margin-bottom:20px}.breadcrumb span{display:flex;align-items:center;gap:8px}.breadcrumb button{font-size:15px}.hero{height:236px;border-radius:18px;position:relative;overflow:hidden;background:#cde5e5}.hero img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 58%}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,57,47,.72),rgba(26,64,52,.2) 65%,transparent)}.hero-content{position:absolute;z-index:1;left:35px;top:32px;color:#fff}.eyebrow{font-size:12px;letter-spacing:3px;opacity:.8}.hero h1{font-size:33px;letter-spacing:2px;margin:12px 0}.hero-meta{font-size:15px;opacity:.9;display:flex;align-items:center;gap:9px}.hero-members{display:flex;align-items:center;margin-top:22px;gap:12px}.avatars{display:flex;padding-left:6px}.avatar{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:50%;background:#dceae3;color:#32675b;font-size:15px;flex-shrink:0;font-weight:600}.avatars .avatar{margin-left:-6px;border:2px solid white}.hero-members>span{font-size:14px;opacity:.9}.hero-action{position:absolute;z-index:2;bottom:30px;right:30px;border:1px solid #ffffff99;background:#ffffffed;color:#34685a;border-radius:9px;padding:11px 16px;font-size:15px;display:flex;gap:7px;align-items:center}.hero-label{position:absolute;right:25px;top:24px;z-index:2;color:#fff;background:#ffffff22;border:1px solid #ffffff55;padding:6px 11px;border-radius:20px;font-size:12px}.stats{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;margin:24px 0;background:#fff;border:1px solid #e8ede7;border-radius:13px;padding:24px 8px}.stat{padding:0 25px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat label{display:flex;align-items:center;gap:6px;font-size:14px;color:#819087}.stat b{display:block;font-size:32px;line-height:1.6;letter-spacing:-.8px;font-weight:650;font-variant-numeric:tabular-nums}.stat b small{font-size:18px;letter-spacing:0;margin-right:4px}.stat p{font-size:12px;color:#9aa49e;margin:2px 0 0}.green{color:var(--green)}.red{color:var(--red)}.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 335px;gap:24px;align-items:start}.panel{background:#fff;border:1px solid #e8ede7;border-radius:13px;overflow:hidden}.panel-header{padding:23px 24px 18px;display:flex;align-items:center;justify-content:space-between}.panel-header h2{font-size:18px;margin:0;display:flex;gap:9px;align-items:center}.panel-header h2 small{color:#99a49c;font-size:14px;font-weight:400}.primary{background:var(--green);color:white;border-radius:9px;padding:11px 19px;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:550}.primary:hover{background:#008965}.primary svg{width:16px;height:16px}.tabs-row{padding:0 24px 18px;display:flex;justify-content:space-between;gap:10px}.tabs{display:flex;background:#f5f7f4;border-radius:7px;padding:3px;gap:4px}.tabs button{padding:7px 15px;border-radius:5px;font-size:14px;color:#8a958e;white-space:nowrap}.tabs button.active{background:#fff;color:var(--green);box-shadow:0 1px 5px #213b1910;font-weight:600}.search{display:flex;align-items:center;gap:5px;background:#f7f8f6;border-radius:7px;padding:0 10px;max-width:165px;color:#96a29a}.search input{border:0;background:none;padding:7px 0;width:100%;font-size:14px;outline:0}.search svg{width:14px}.day-title{padding:12px 24px;background:#f8faf7;font-size:14px;display:flex;justify-content:space-between;color:#6e8075}.day-title strong{color:#3b5144;font-weight:500}.expense{padding:18px 24px;display:flex;align-items:center;border-bottom:1px solid #f0f3ee;gap:14px;text-align:left;width:100%;transition:background .15s}.expense:hover{background:#fafcf9}.category{width:40px;height:40px;border-radius:12px;background:#fff3df;color:#ce963e;display:grid;place-items:center;flex-shrink:0}.category.住宿{background:#fff0eb;color:#e39884}.category.交通{background:#eaf5fc;color:#6ca6c4}.category.门票{background:#eef0fe;color:#939acf}.category.购物{background:#f9eefa;color:#b481bd}.expense-content{flex:1;min-width:0}.expense-content b{font-size:16px;font-weight:550}.expense-content p{margin:6px 0 0;font-size:12px;color:#9ba59e}.expense-end{text-align:right}.expense-end strong{font-size:17px;font-variant-numeric:tabular-nums;font-weight:600}.badge{font-size:12px;display:inline-block;padding:3px 6px;background:#eaf8f1;color:#28a67e;border-radius:4px;margin-top:5px}.badge.gray{color:#969e98;background:#f1f3f1}.list-footer{padding:18px;text-align:center;color:#a7afa9;font-size:12px}.side{display:grid;gap:20px}.settlement-box{padding:0 23px 23px}.settlement-hint{font-size:14px;color:#8d9a91;margin:0 0 15px}.member-row{display:flex;align-items:center;gap:10px;padding:11px 0;width:100%;text-align:left}.member-row .avatar{width:31px;height:31px}.member-row .member-name{flex:1;font-size:15px}.member-row .member-name small{margin-left:6px;color:#a2aaa4;font-size:12px}.member-amount{font-size:15px;display:flex;gap:7px;align-items:center}.member-amount small{font-size:12px;color:#929d95}.settle-cta{width:100%;margin:19px 0 10px;height:43px}.settlement-foot{text-align:center;font-size:12px;color:#a1aaa3}.notice{padding:19px 20px;background:#edf5ee;border:1px solid #e0ebdf;border-radius:12px}.notice-title{display:flex;gap:8px;font-weight:550;font-size:15px;color:#537d60}.notice p{font-size:14px;line-height:1.9;color:#869783;margin:9px 0 0}.small-action{font-size:14px;color:#8c9b90}.footer{display:flex;justify-content:space-between;margin-top:29px;color:#a4ada6;font-size:12px}.footer span:first-child{letter-spacing:1px}.round-note{margin:0 0 16px;font-size:15px;padding:12px;border-radius:8px;background:#edf7ef;color:#60836b}.empty{padding:50px 20px;text-align:center;color:#9aa69e;font-size:16px}.loading{height:100vh;display:grid;place-items:center;color:var(--green)}.modal-backdrop{position:fixed;inset:0;background:#173c345c;backdrop-filter:blur(4px);z-index:20;display:flex;justify-content:center;align-items:center;padding:20px}.modal{background:#fff;border-radius:18px;max-width:510px;width:100%;max-height:90dvh;overflow:auto;box-shadow:0 20px 100px #16382b33}.modal.wide{max-width:650px}.modal-header{position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:22px 25px;border-bottom:1px solid var(--line)}.modal-header h2{margin:0;font-size:20px}.close{width:30px;height:30px;background:#f3f6f2;border-radius:50%;font-size:22px;color:#8e9a92}.modal-body{padding:23px 25px}.field{display:block;margin-bottom:18px;font-size:15px;font-weight:550}.field>input,.field>select,.field>textarea,.input{display:block;border:1px solid #e3eae1;border-radius:8px;background:#fcfdfa;padding:12px;width:100%;margin-top:9px;color:#344f3e;min-width:0}.field textarea{resize:vertical;min-height:70px}.fields-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.amount-input{font-size:30px!important}.check-row{display:flex;align-items:center;gap:9px;padding:12px 0;font-size:15px}.check-row input{accent-color:var(--green);width:17px;height:17px}.participants{display:grid;grid-template-columns:1fr 1fr;gap:6px 15px;margin:10px 0}.participants .check-row{padding:8px;background:#f7f9f5;border-radius:7px}.split-value{width:70px;padding:7px;border:1px solid #dde8d8;border-radius:6px;margin-left:auto}.full{width:100%}.secondary{padding:11px 15px;border:1px solid #dce5d8;border-radius:8px;font-size:15px}.danger{color:#d5695b;background:#fff0ec;border-color:#f4ddd5}.actions{display:flex;gap:10px;margin-top:20px}.actions>*{flex:1}.detail-amount{text-align:center;font-size:35px;font-weight:600;margin:22px 0}.detail-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;gap:20px}.detail-row>span:first-child{color:#93a18f}.audit-item{padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}.audit-item p{font-size:12px;color:#9aa69a;margin:7px 0 0}.transfer{display:flex;gap:10px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}.transfer b{margin-left:auto}.total-box{background:#edf8f0;padding:20px;border-radius:11px;text-align:center}.total-box small{color:#7a9380;font-size:14px}.total-box strong{display:block;font-size:31px;color:var(--green);margin-top:8px}.qr-link{padding:15px;background:#f5f8f2;word-break:break-all;border-radius:8px;font-size:15px;line-height:1.7;margin:20px 0}.poster{background:#f8fbf6;border:1px solid #e4ece0;border-radius:12px;padding:24px}.poster h2{margin:0 0 7px}.muted{color:#95a18f;font-size:14px;line-height:1.8}.welcome{max-width:480px;margin:70px auto;background:#fff;border-radius:20px;overflow:hidden;border:1px solid #e5ece2}.welcome img{width:100%;height:200px;object-fit:cover}.welcome-body{padding:30px}.welcome h1{font-size:32px;line-height:1.5;margin:0}.welcome p{line-height:1.9;color:#8a9a87}.welcome button{margin-top:12px}.error{color:#cf6f5c;margin:10px 0;font-size:15px;min-height:15px}#toast{position:fixed;bottom:35px;left:50%;transform:translateX(-50%) translateY(15px);background:#254f40;color:white;padding:12px 22px;border-radius:10px;font-size:15px;opacity:0;z-index:50;pointer-events:none;transition:.2s;max-width:90vw;width:max-content}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}@media(min-width:1600px){.container{padding-top:40px}.hero{height:270px}.expense{padding-top:21px;padding-bottom:21px}}@media(max-width:1250px){.container{margin:0 30px}.topbar{padding:0 30px}}@media(max-width:850px){.main-grid{grid-template-columns:minmax(0,1fr) 290px;gap:16px}.stat{padding:0 15px}.stat b{font-size:24px}.container{margin:0 20px}.topnav{gap:20px}.panel-header,.expense{padding-left:18px;padding-right:18px}.tabs-row{padding-left:18px;padding-right:18px}.search{max-width:120px}}@media(max-width:680px){.topbar{height:68px;padding:0 20px}.brand strong{font-size:22px}.brandmark{width:32px;height:34px}.topnav{display:none}.container{margin:0;padding:19px 16px 35px}.breadcrumb{font-size:12px;margin:0 3px 15px}.hero{height:217px;border-radius:14px}.hero-content{left:23px;top:24px}.hero h1{font-size:30px}.hero-action{right:18px;bottom:22px;padding:9px 11px;font-size:12px}.hero-label{right:17px;top:18px;font-size:12px}.stats{grid-template-columns:1fr 1fr;padding:7px 16px;margin:17px 0;gap:0}.stat{padding:14px 6px;border:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.stat b{font-size:28px}.stat label{font-size:12px}.stat p{font-size:12px}.main-grid{grid-template-columns:1fr;gap:17px}.side{grid-template-columns:1fr}.panel-header{padding:20px 18px}.panel-header h2{font-size:17px}.primary{font-size:15px;padding:10px 15px}.expense{padding:17px 18px}.tabs-row{padding:0 18px 16px}.tabs button{padding:7px 12px}.search{max-width:115px}.notice{padding:17px 20px}.footer{font-size:12px;gap:10px}.footer span:last-child{display:none}.modal-backdrop{padding:0;align-items:flex-end}.modal{border-radius:20px 20px 0 0;max-height:94dvh}.modal-body{padding:22px 23px 30px}.welcome{margin:30px 16px}.member-row{padding:10px 0}.hero-members{gap:8px}.hero-members>span{font-size:12px}.account span:last-child{font-size:12px}}
@media print{body{background:white}.topbar,.container,.modal-header,.actions,#toast{display:none!important}.modal-backdrop{position:static;background:white;padding:0;display:block;backdrop-filter:none}.modal{box-shadow:none;border:0;max-height:none;width:100%;max-width:100%}.poster{max-width:600px;margin:auto}.modal-body{padding:0}}

.mobile-nav{display:none}@media(max-width:680px){.mobile-nav{display:flex;gap:22px;margin:0 4px 18px}.mobile-nav button{font-size:15px;color:#8d9b90;padding:3px 0 8px}.mobile-nav button.active{color:var(--green);border-bottom:2px solid var(--green);font-weight:600}}
[hidden]{display:none!important}
.participants:has(.split-value:not([hidden])){grid-template-columns:1fr}.participants .check-row{min-width:0}.split-value{flex-shrink:0}@media(max-width:680px){.hero-members>span{display:none}}

body{line-height:1.6}.primary,.secondary{min-height:46px}.expense{min-height:92px}.expense-content b{font-size:17px}.expense-content p{font-size:14px;margin-top:5px}.expense-end strong{font-size:18px}.member-row{min-height:55px}.member-row .member-name{font-size:16px}.member-amount{font-size:16px}.member-amount small{font-size:13px}.field{font-size:16px}.field>input,.field>select,.field>textarea,.input{font-size:16px;min-height:46px}.check-row{font-size:16px;min-height:46px}.check-row input{width:20px;height:20px}.participants .avatar{width:29px;height:29px}.participants .check-row{padding:10px}.search{max-width:190px}.search input{font-size:15px;min-height:40px}.tabs button{min-height:40px}.modal-header{min-height:75px}.close{width:36px;height:36px}.topnav button{font-size:16px}.hero-members>span{font-size:13px}.hero-meta{font-size:15px}.hero-label{font-size:12px}.stat label{font-size:14px}.stat p{font-size:12px}.detail-row{font-size:15px}.transfer{font-size:15px;gap:8px}.transfer .small-action{font-size:13px}.footer{font-size:12px}.stat b small{font-size:18px}.stat:last-child b{font-size:30px}.notice p{font-size:14px;line-height:1.9}
@media(max-width:850px){.main-grid{grid-template-columns:minmax(0,1fr) 310px}.tabs-row{flex-wrap:wrap}.search{max-width:none;flex:1}}
@media(max-width:680px){.main-grid{grid-template-columns:1fr}.hero h1{font-size:31px}.hero-action{min-height:44px;font-size:14px;padding:9px 13px}.hero-meta{font-size:14px}.hero-label{font-size:11px}.hero-members{margin-top:19px}.stat b{font-size:29px}.stat label{font-size:13px}.stat p{font-size:12px}.stat{padding:16px 6px}.panel-header h2{font-size:18px}.panel-header h2 small{font-size:13px}.tabs-row{gap:12px}.tabs{width:100%}.tabs button{flex:1;font-size:14px;padding:7px 10px}.search{max-width:none;width:100%;flex:auto}.search input{font-size:16px;min-height:42px}.mobile-nav{gap:26px;margin-bottom:15px}.mobile-nav button{font-size:15px;min-height:44px;padding-bottom:8px}.breadcrumb{font-size:12px}.breadcrumb button{font-size:13px}.account span:last-child{font-size:13px}.expense{min-height:94px;padding:17px 18px;gap:12px}.expense-content b{font-size:17px}.expense-content p{font-size:13px}.expense-end strong{font-size:18px}.badge{font-size:11px}.day-title{font-size:13px;padding:13px 18px}.member-row{min-height:57px}.member-amount{font-size:15px}.member-amount small{font-size:12px}.panel-header{padding:20px 18px}.participants{grid-template-columns:1fr}.settle-cta{height:48px;font-size:16px}.hero{height:226px}.hero-content{top:26px}.eyebrow{font-size:11px}.fields-2{gap:12px}.fields-2 .field{font-size:15px}.transfer{font-size:14px;gap:7px}.transfer .icon{width:16px}.modal-body{padding:22px 20px 30px}.total-box small{font-size:13px}.stat:last-child b{font-size:29px}}

/* Keep native date controls and grid contents within narrow mobile dialogs. */
html{scrollbar-gutter:stable}
.modal-backdrop{overflow:hidden;overscroll-behavior:none}
.modal{min-width:0;overflow-x:hidden;overscroll-behavior:contain}
.modal-body,.field{min-width:0}
.fields-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.field>input,.field>select,.field>textarea{max-width:100%}
.field>input[type=date]{appearance:none;-webkit-appearance:none;width:100%;min-width:0;max-width:100%;text-align:left}
.field>input[type=date]::-webkit-date-and-time-value{min-width:0;text-align:left}
.field>input[type=date]::-webkit-datetime-edit{min-width:0;padding:0}
.participants .check-row{overflow-wrap:anywhere}
.participants input[type=checkbox]{width:20px;height:20px;min-height:20px;margin:0;padding:0;flex:0 0 20px}
.participants .split-value{width:88px;min-width:72px;max-width:100%;min-height:44px;margin:0 0 0 auto;padding:8px;flex:0 0 88px;font-size:16px}
@media(max-width:400px){.fields-2:has(input[type=date]){grid-template-columns:minmax(0,1fr)}}