:root{--bg: #f7f6f3;--surface: #ffffff;--surface-2: #f1efea;--border: #e7e4de;--border-strong: #d6d2c9;--text: #1c1917;--text-2: #57534e;--text-3: #a8a29e;--primary: #ea580c;--primary-strong: #c2410c;--primary-deep: #9a3412;--primary-soft: #fff4ec;--primary-softer: #ffedd5;--primary-border: #fed7aa;--green: #15803d;--green-soft: #f0fdf4;--green-border: #bbf7d0;--amber: #b45309;--amber-soft: #fffbeb;--amber-border: #fde68a;--red: #dc2626;--red-soft: #fef2f2;--red-border: #fecaca;--blue: #1d4ed8;--blue-soft: #eff6ff;--r-lg: 16px;--r: 12px;--r-sm: 9px;--r-pill: 999px;--sh-sm: 0 1px 2px rgba(28, 25, 23, .05);--sh-md: 0 4px 16px rgba(28, 25, 23, .07);--sh-lg: 0 16px 40px rgba(28, 25, 23, .14);--sidebar-w: 240px;--topbar-h: 56px;--bottomnav-h: 64px;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-num: "SF Pro Display", -apple-system, "PingFang SC", "Helvetica Neue", Arial, sans-serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}button{font-family:inherit}img,svg{vertical-align:middle}::selection{background:#fed7aa}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#d6d2c9;border-radius:999px;border:2px solid var(--bg)}::-webkit-scrollbar-track{background:transparent}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.muted{color:var(--text-2)}.dim{color:var(--text-3)}.strong{font-weight:700}.small{font-size:12px}.xs{font-size:11px}.num{font-variant-numeric:tabular-nums}.tl{text-align:right}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.row{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.stack{display:flex;flex-direction:column;gap:16px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media (max-width: 1024px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 16px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:background .15s,border-color .15s,color .15s,box-shadow .15s,transform .06s}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary-strong);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-deep)}.btn-primary:focus-visible{outline-color:#fff;outline-offset:2px}.btn-soft{background:var(--primary-soft);color:var(--primary-strong)}.btn-soft:hover:not(:disabled){background:#ffedd5}.btn-outline{background:#fff;border-color:var(--border-strong);color:#44403c}.btn-outline:hover:not(:disabled){background:#fafaf9;border-color:#a8a29e}.btn-ghost{background:transparent;color:var(--text-2)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-danger-soft{background:var(--red-soft);color:#b91c1c}.btn-danger-soft:hover:not(:disabled){background:#fee2e2}.btn-sm{height:34px;padding:0 12px;font-size:13px;border-radius:9px}.btn-lg{height:46px;padding:0 24px;font-size:15px}.btn-block{width:100%}.icon-btn{width:36px;height:36px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);background:transparent;border:none;cursor:pointer;transition:background .15s,color .15s}.icon-btn:hover{background:var(--surface-2);color:var(--text)}.icon-btn.danger:hover{background:var(--red-soft);color:var(--red)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.field{display:flex;flex-direction:column;gap:6px}.field>label{font-size:13px;font-weight:600;color:#44403c}.field .hint{font-size:12px;color:var(--text-3)}.input,.select,.textarea{width:100%;border:1px solid var(--border-strong);border-radius:10px;background:#fff;font-size:14px;color:var(--text);transition:border-color .15s,box-shadow .15s}.input,.select{height:42px;padding:0 12px}.textarea{padding:10px 12px;min-height:96px;resize:vertical;line-height:1.6}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #ea580c24}.input::placeholder,.textarea::placeholder{color:var(--text-3)}.input:disabled{background:#f5f5f4;color:var(--text-3);cursor:not-allowed}.select{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding-right:34px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2357534e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;cursor:pointer}.color-dots{display:flex;gap:10px;flex-wrap:wrap}.color-dot{width:30px;height:30px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:transform .15s,border-color .15s,box-shadow .15s}.color-dot:hover{transform:scale(1.1)}.color-dot.on{border-color:var(--text);box-shadow:0 0 0 3px #1c19171f}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-sm)}.card-pad{padding:20px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}.card-title{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}.card-body{padding:16px 20px 20px}.badge{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 9px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;white-space:nowrap}.badge.gray{background:#f5f5f4;color:var(--text-2)}.badge.green{background:var(--green-soft);color:var(--green)}.badge.amber{background:var(--amber-soft);color:var(--amber)}.badge.red{background:var(--red-soft);color:var(--red)}.badge.orange{background:var(--primary-soft);color:var(--primary-strong)}.badge.blue{background:var(--blue-soft);color:var(--blue)}.chip{height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--border);background:#fff;color:var(--text-2);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}.chip:hover{border-color:var(--border-strong);color:var(--text)}.chip.on{background:var(--text);border-color:var(--text);color:#fff}.tabs{display:inline-flex;background:var(--surface-2);border-radius:10px;padding:3px;gap:2px}.tab{height:32px;padding:0 14px;border-radius:8px;border:none;background:transparent;color:var(--text-2);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}.tab.on{background:#fff;color:var(--text);box-shadow:var(--sh-sm)}.stat{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:3px}.stat-label{font-size:12px;color:#78716c;font-weight:600}.stat-value{font-size:22px;font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:var(--text)}.stat-value.pos{color:var(--green)}.stat-value.neg{color:var(--red)}.stat-value.org{color:var(--primary-strong)}.stat-sub{font-size:12px;color:var(--text-3)}.li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #f1efea}.li:last-child{border-bottom:none}.li-main{flex:1;min-width:0}.li-title{font-size:14px;font-weight:600}.li-sub{font-size:12px;color:var(--text-3);margin-top:2px}.li-amount{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}.settle-toggle{height:32px}.settle-summary{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;padding:10px 12px;border-radius:10px;background:var(--primary-soft);border:1px solid var(--primary-border);color:var(--primary-deep);font-size:13px}.settle-summary .strong{font-size:17px;letter-spacing:-.01em}.settle-row{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:11px;background:var(--surface-2);border:1px solid transparent;transition:background .15s,border-color .15s}.settle-row:hover{background:#ece9e1}.settle-row.me{background:var(--primary-soft);border-color:var(--primary-border)}.settle-person{display:inline-flex;align-items:center;gap:7px;min-width:0}.settle-name{font-size:13px;white-space:nowrap}.settle-amt{font-size:15px;font-weight:700}.settle-amt.pos{color:var(--green)}.settle-amt.neg{color:var(--red)}.chev{transition:transform .25s ease}.chev.open{transform:rotate(180deg)}.settle-collapse{animation:settleIn .22s ease}@keyframes settleIn{0%{opacity:0;transform:translateY(-6px)}}.settle-detail{margin-top:14px;padding-top:14px;border-top:1px dashed var(--border-strong)}.settle-detail-head{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--text-2);margin-bottom:10px}.settle-sec-title{font-size:12px;font-weight:700;color:var(--text-2);margin-bottom:6px}.settle-bill{padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:#fcfbf9}.settle-bill+.settle-bill{margin-top:8px}.settle-bill-title{font-size:13px;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settle-shares{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:3px}.settle-net-row{display:flex;align-items:center;gap:10px;padding:7px 12px;border-radius:10px;background:var(--surface-2)}.settle-net-row+.settle-net-row{margin-top:6px}.settle-net{font-size:13px;font-weight:700}.settle-net.pos{color:var(--green)}.settle-net.neg{color:var(--red)}.settle-detail-note{margin-top:14px;padding:9px 12px;border-radius:10px;background:var(--green-soft);border:1px solid var(--green-border);color:#166534;font-size:12px;line-height:1.6}.alert{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:var(--r);border:1px solid}.alert.gray{background:#fafaf9;border-color:var(--border);color:#44403c}.alert.green{background:var(--green-soft);border-color:var(--green-border);color:#166534}.alert.amber{background:var(--amber-soft);border-color:var(--amber-border);color:#92400e}.alert.red{background:var(--red-soft);border-color:var(--red-border);color:#991b1b}.alert.orange{background:var(--primary-soft);border-color:var(--primary-border);color:#9a3412}.alert.blue{background:var(--blue-soft);border-color:#bfdbfe;color:#1e40af}.alert-title{font-weight:700;font-size:14px}.alert-desc{font-size:13px;margin-top:1px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c19176b;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s}.modal{background:#fff;border-radius:var(--r-lg);width:100%;max-width:520px;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--sh-lg);animation:popIn .18s}.modal-head{padding:18px 20px 0;display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:16px;font-weight:700}.modal-body{padding:16px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.modal-foot{padding:0 20px 18px;display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}@keyframes fadeIn{0%{opacity:0}}@keyframes popIn{0%{opacity:0;transform:translateY(8px) scale(.98)}}.toaster{position:fixed;bottom:24px;right:24px;z-index:300;display:flex;flex-direction:column;gap:8px;max-width:360px}.toast{background:#1c1917;color:#fff;border-radius:var(--r);padding:12px 16px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;box-shadow:var(--sh-lg);animation:toastIn .2s}.toast.error{background:#b91c1c}.toast.success{background:#15803d}@keyframes toastIn{0%{opacity:0;transform:translateY(8px)}}.avatar{border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;-webkit-user-select:none;user-select:none}.avatar-sm{width:28px;height:28px;font-size:12px}.avatar-md{width:36px;height:36px;font-size:14px}.avatar-lg{width:44px;height:44px;font-size:16px}.avatar-xl{width:56px;height:56px;font-size:20px}.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:44px 20px;text-align:center;color:var(--text-3)}.empty-title{font-size:14px;font-weight:600;color:#78716c}.empty-desc{font-size:13px}.progress{height:6px;background:var(--surface-2);border-radius:var(--r-pill);overflow:hidden}.progress>i{display:block;height:100%;border-radius:var(--r-pill);background:var(--primary-strong);transition:width .3s}.progress.green>i{background:#16a34a}.bars{display:flex;flex-direction:column;gap:11px}.bar-row{display:grid;grid-template-columns:76px 1fr 70px;gap:10px;align-items:center;font-size:13px}.bar-track{height:8px;background:var(--surface-2);border-radius:var(--r-pill);overflow:hidden}.bar-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#f97316,#c2410c);transition:width .3s}.bar-val{text-align:right;font-weight:600;color:#44403c;font-variant-numeric:tabular-nums}.app-shell{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);position:fixed;top:0;bottom:0;left:0;background:#faf9f7;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 12px;z-index:50}.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 18px}.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em}.brand-logo{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#f97316,#c2410c);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px #c2410c4d}.nav{display:flex;flex-direction:column;gap:2px;flex:1;padding-top:4px}.nav-item{display:flex;align-items:center;gap:10px;height:42px;padding:0 12px;border-radius:10px;color:var(--text-2);font-size:14px;font-weight:600;transition:background .15s,color .15s}.nav-item:hover{background:var(--surface-2);color:var(--text)}.nav-item.on{background:var(--primary-soft);color:var(--primary-strong)}.nav-dot{width:7px;height:7px;border-radius:50%;background:var(--red);margin-left:auto}.side-footer{margin-top:auto;padding-top:8px;border-top:1px solid var(--border)}.side-footer .nav-item{color:var(--text-3);font-size:13px}.side-footer .nav-item:hover{color:var(--primary-strong)}.side-user{display:flex;align-items:center;gap:10px;padding:10px;border-radius:var(--r);background:#fff;border:1px solid var(--border);margin-top:8px}.main{flex:1;margin-left:var(--sidebar-w);min-width:0}.main-inner{max-width:1080px;margin:0 auto;padding:28px 32px 80px}.topbar,.bottom-nav{display:none}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.page-title{font-size:22px;font-weight:800;letter-spacing:-.01em}.page-sub{font-size:13px;color:#78716c;margin-top:4px}.code-chip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border-radius:9px;background:var(--primary-soft);color:var(--primary-strong);font-weight:800;letter-spacing:.12em;font-size:13px}.copy-btn{display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 10px;border-radius:9px;border:1px solid var(--border-strong);background:#fff;color:var(--text-2);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}.copy-btn:hover{border-color:var(--primary);color:var(--primary-strong)}@media (max-width: 1024px){.sidebar{display:none}.topbar{display:flex;position:sticky;top:0;z-index:40;height:var(--topbar-h);background:#faf9f7eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:0 16px}.main{margin-left:0}.main-inner{padding:16px 16px calc(var(--bottomnav-h) + 24px)}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:var(--bottomnav-h);background:#fffffff7;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border);z-index:50;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:600;color:var(--text-3)}.bottom-nav a.on{color:var(--primary-strong)}.toaster{left:16px;right:16px;bottom:calc(var(--bottomnav-h) + 16px);max-width:none}}.landing{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;max-width:1180px;margin:0 auto;gap:0}.hero{background:radial-gradient(1000px 500px at -10% -20%,rgba(234,88,12,.14),transparent 60%),radial-gradient(800px 450px at 110% 110%,rgba(249,115,22,.1),transparent 55%),transparent;display:flex;flex-direction:column;justify-content:center;padding:56px 48px 56px 32px}.hero h1{font-size:42px;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:0 0 16px;background:linear-gradient(135deg,#1c1917,#7c2d12);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero .lead{font-size:16px;color:var(--text-2);max-width:420px;margin:0 0 36px;line-height:1.7}.hero-features{display:flex;flex-direction:column;gap:12px}.hero-feature{display:flex;gap:14px;align-items:flex-start;padding:12px 14px;border-radius:14px;transition:background .2s,transform .2s}.hero-feature:hover{background:#ffffffb3;transform:translate(2px)}.hero-feature .f-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#fff7ed,#ffedd5);border:1px solid #fed7aa;color:#c2410c;display:flex;align-items:center;justify-content:center;flex-shrink:0}.hero-feature b{font-size:15px;display:block;margin-bottom:2px}.hero-feature span{font-size:13px;color:var(--text-2);line-height:1.5}.auth-wrap{display:flex;align-items:center;justify-content:center;padding:40px 32px 40px 24px}.auth-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:0 8px 32px #1c191714,0 2px 8px #1c19170a;padding:28px}.demo-entry{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:14px;background:linear-gradient(135deg,#ea580c,#f97316);color:#fff;cursor:pointer;border:none;width:100%;text-align:left;margin-bottom:20px;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 14px #ea580c4d}.demo-entry:hover{transform:translateY(-1px);box-shadow:0 6px 20px #ea580c66}.demo-entry:active{transform:translateY(0)}.demo-entry .demo-icon{width:36px;height:36px;border-radius:10px;background:#fff3;display:flex;align-items:center;justify-content:center;flex-shrink:0}.demo-entry .demo-text{flex:1}.demo-entry .demo-title{font-size:14px;font-weight:800;display:block}.demo-entry .demo-desc{font-size:12px;opacity:.85;display:block;margin-top:1px}.demo-entry .demo-arrow{opacity:.9}.auth-divider{display:flex;align-items:center;gap:12px;margin:0 0 20px;color:var(--text-3);font-size:12px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.auth-tabs{display:flex;background:var(--surface-2);border-radius:12px;padding:4px;margin-bottom:22px}.auth-tab{flex:1;height:38px;border:none;background:transparent;border-radius:9px;font-size:14px;font-weight:700;color:var(--text-2);cursor:pointer;transition:all .15s}.auth-tab.on{background:#fff;color:var(--text);box-shadow:var(--sh-sm)}.landing-footer{margin-top:20px;padding-top:16px;border-top:1px solid var(--border);text-align:center}.landing-doc-link{display:inline-flex;align-items:center;gap:5px;color:var(--text-3);font-size:12px;font-weight:600;text-decoration:none;transition:color .15s}.landing-doc-link:hover{color:var(--primary-strong)}@media (max-width: 900px){.landing{grid-template-columns:1fr;max-width:100%}.hero{padding:36px 24px 28px;border-bottom:1px solid var(--border)}.hero h1{font-size:32px}.hero-features{display:none}.auth-wrap{padding:28px 20px 48px}.auth-card{padding:24px}}