:root{--ink:#101828;--muted:#718096;--line:#dce4ee;--surface:#fff;--canvas:#f4f7fa;--teal:#107d73;--teal-dark:#08665e;--teal-soft:#d9f8f3;--orange:#ed5b0c;--red:#bf2026;--blue:#2463eb;--shadow:0 16px 45px rgba(24,45,75,.08)}
*{box-sizing:border-box}html{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--canvas)}body{margin:0;background:var(--canvas)}a{color:inherit}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;padding-bottom:82px}.topbar{background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#fff}.topbar-inner{max-width:1120px;margin:auto;padding:30px 28px 24px;display:flex;justify-content:space-between;align-items:flex-end}.topbar h1{margin:3px 0 0;font-size:30px;letter-spacing:.03em}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;opacity:.72}.topbar-user{display:flex;align-items:center;gap:10px}.role-pill,.status{padding:6px 11px;border-radius:99px;font-size:12px;font-weight:800}.role-pill{background:rgba(255,255,255,.15)}.status.success{background:#d9fbe5;color:#147a3b}.status.neutral{background:#edf2f7;color:#536176}.page-container{max-width:1120px;margin:0 auto;padding:28px}.card,.bill-card,.company-card,.empty-state{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.card{padding:24px;margin-bottom:20px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:6px 0 18px}.section-heading.compact{margin-top:0}.section-heading h2{font-size:25px;margin:2px 0 0}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick-grid a{background:#f7fafc;border:1px solid var(--line);border-radius:14px;padding:17px;text-decoration:none;transition:.2s}.quick-grid a:hover{border-color:#7bd6cd;transform:translateY(-2px)}.quick-grid b,.quick-grid span{display:block}.quick-grid span{font-size:13px;color:var(--muted);margin-top:6px}.search-form{display:grid;grid-template-columns:1fr auto;gap:10px;margin:22px 0 30px}.search-form input,.stack-form input,.stack-form select,.stack-form textarea,.filter-card input,.filter-card select,.inline-form input,.inline-form select{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 15px;color:var(--ink)}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 18px;font-weight:800;text-decoration:none;cursor:pointer}.button.primary{background:var(--teal);color:#fff}.button.primary:hover{background:var(--teal-dark)}.button.subtle{background:#edf3f7;color:var(--ink)}.button.small{padding:7px 10px;font-size:12px}.button.wide{width:100%}.button:disabled{opacity:.6}.text-link{color:var(--teal);font-weight:800;text-decoration:none}.card-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.bill-card,.company-card{padding:22px}.bill-card-head{display:flex;justify-content:space-between;gap:12px}.bill-title{font-size:18px;font-weight:900;text-decoration:none}.bill-card p,.company-card p{font-size:13px;color:var(--muted);margin:6px 0}.metric-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}.metric-row.large{grid-template-columns:repeat(3,1fr)}.metric-row>div{padding:14px;background:#f8fafc;border-radius:12px}.metric-row span,.summary-grid span{display:block;color:var(--muted);font-size:13px}.metric-row strong{display:block;color:var(--teal);font-size:24px;margin-top:5px}.metric-row strong.orange{color:var(--orange)}.metric-row small{font-size:12px}.tou-row{display:grid;grid-template-columns:42px 1fr 44px 104px;gap:8px;align-items:center;font-size:12px;margin:8px 0}.tou-row b{color:var(--teal)}.tou-row em{font-style:normal;color:var(--muted)}.bar{height:12px;border-radius:99px;background:#e3e9f0;overflow:hidden}.bar i{display:block;height:100%;border-radius:99px;background:var(--teal)}.period-super_peak b{color:var(--red)}.period-super_peak .bar i{background:var(--red)}.period-peak b{color:var(--orange)}.period-peak .bar i{background:var(--orange)}.period-valley b{color:var(--blue)}.period-valley .bar i{background:var(--blue)}.empty-state{padding:54px 24px;text-align:center}.empty-state p,.muted{color:var(--muted)}.empty-icon{font-size:48px;color:var(--teal)}.company-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.company-card{display:flex;justify-content:space-between;align-items:flex-end;gap:15px}.company-card h3{margin:7px 0}.filter-grid{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:12px;align-items:end}label>span{display:block;font-size:13px;font-weight:700;margin-bottom:7px}.breadcrumb{display:flex;gap:8px;color:var(--muted);font-size:13px;margin-bottom:18px}.detail-list{margin:0}.detail-list>div{display:grid;grid-template-columns:140px 1fr;padding:13px 0;border-bottom:1px solid var(--line)}.detail-list dt{color:var(--muted)}.detail-list dd{margin:0;font-weight:700}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.summary-grid>div{background:#f7fafc;border:1px solid var(--line);border-radius:12px;padding:14px}.summary-grid b,.summary-grid small{display:block;margin-top:5px}.upload-card{max-width:760px;margin-left:auto;margin-right:auto}.drop-zone{min-height:330px;background:#eafbfa;border:2px dashed #70d8ce;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;cursor:pointer}.drop-zone .plus{font-size:64px;color:var(--teal);line-height:1}.drop-zone b{font-size:23px}.drop-zone span:not(.plus){color:var(--muted);margin-top:10px}.drop-zone input{position:absolute;width:1px;height:1px;opacity:0}.file-summary{text-align:center;color:var(--muted);padding:16px}.process-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}.process-list li{position:relative;padding-left:44px}.process-list li:before{counter-increment:step;content:counter(step);position:absolute;left:0;width:32px;height:32px;background:var(--teal);color:white;border-radius:50%;display:grid;place-items:center;font-weight:900}.process-list b,.process-list span{display:block}.process-list span{color:var(--muted);font-size:12px;margin-top:4px}.progress-track{height:18px;background:#e4eaf0;border-radius:99px;overflow:hidden}.progress-track i{height:100%;display:block;background:linear-gradient(90deg,#29c8b7,var(--teal));transition:width .3s}.progress-number{text-align:center;font-size:32px}.notice{padding:16px 18px;border:1px solid #bee5e1;background:#ecfbf9;border-radius:13px;margin:16px 0}.notice.warning{background:#fff5cc;border-color:#f1cc56;color:#854d0e}.notice.success{background:#e4f9ea;border-color:#8ed0a4;color:#166534}.notice.error{background:#fff0f0;border-color:#f3aaaa;color:#a61b1b}.actions{display:flex;justify-content:flex-end;gap:12px;margin:18px 0}.hidden{display:none!important}.stack-form{display:grid;gap:18px}.stack-form p{margin:0}.stack-form ul{color:var(--muted);font-size:12px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.wide-field{grid-column:1/-1}.timeline>div{position:relative;padding:0 0 20px 26px;border-left:2px solid #cbe8e4}.timeline i{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--teal);left:-7px}.timeline p{margin:0}.timeline span{font-size:12px;color:var(--muted)}.profile-card{display:flex;align-items:center;gap:20px}.avatar{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:white;font-size:30px;font-weight:900}.profile-card h2{margin:4px 0}.menu-list a{display:flex;justify-content:space-between;padding:16px 4px;border-bottom:1px solid var(--line);text-decoration:none}.menu-list b{font-size:24px;color:var(--muted)}.messages{margin-bottom:16px}.alert{padding:12px 16px;border-radius:11px;background:#ecfbf9}.alert-error{background:#fff0f0;color:#a61b1b}.alert-success{background:#e4f9ea;color:#166534}.auth-page{min-height:100vh;background:linear-gradient(135deg,#075f58 0,#0f8075 48%,#dff8f5 48%)}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:8vw;max-width:1100px;margin:auto;padding:40px}.auth-brand{color:white}.brand-mark{width:76px;height:76px;border:1px solid rgba(255,255,255,.5);border-radius:22px;display:grid;place-items:center;font-size:36px;font-weight:900}.auth-brand h1{font-size:44px;margin:16px 0 10px}.auth-card{background:white;border-radius:24px;padding:38px;box-shadow:0 30px 80px rgba(0,39,37,.25)}.form-note{font-size:12px;color:var(--muted);line-height:1.7}.narrow-card{max-width:620px;margin:auto}.manage-nav{display:flex;gap:8px;overflow-x:auto;margin:-8px 0 22px;padding-bottom:6px}.manage-nav a{white-space:nowrap;text-decoration:none;background:white;border:1px solid var(--line);padding:9px 13px;border-radius:99px;font-size:13px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.admin-stats>div{background:white;border:1px solid var(--line);border-radius:16px;padding:20px}.admin-stats span,.admin-stats b{display:block}.admin-stats span{color:var(--muted)}.admin-stats b{font-size:32px;margin-top:7px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);font-size:13px}th{color:var(--muted);font-weight:700;background:#f8fafc}.inline-form{display:flex;gap:10px;align-items:center}.toolbar{display:flex;justify-content:flex-end;margin-bottom:14px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;justify-content:center;background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(12px)}.bottom-nav a{width:120px;text-align:center;text-decoration:none;color:#8390a3;padding:10px}.bottom-nav b,.bottom-nav span{display:block}.bottom-nav b{font-size:20px}.bottom-nav span{font-size:12px}.bottom-nav a.active{color:var(--teal);font-weight:900}
@media(max-width:760px){.topbar-inner{padding:24px 20px 20px}.topbar h1{font-size:25px}.topbar-user>span:first-child{display:none}.page-container{padding:18px 16px}.quick-grid{grid-template-columns:repeat(2,1fr)}.card-list,.company-grid{grid-template-columns:1fr}.card{padding:18px;border-radius:14px}.bill-card,.company-card{padding:17px;border-radius:14px}.search-form{grid-template-columns:1fr}.filter-grid{grid-template-columns:1fr}.metric-row.large{grid-template-columns:1fr 1fr}.summary-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.wide-field{grid-column:auto}.tou-row{grid-template-columns:34px 1fr 36px}.tou-row em{grid-column:2/4}.process-list{grid-template-columns:1fr 1fr}.drop-zone{min-height:250px}.detail-list>div{grid-template-columns:100px 1fr}.auth-shell{grid-template-columns:1fr;padding:20px}.auth-brand{display:none}.auth-card{padding:26px}.inline-form{align-items:stretch;flex-direction:column}.admin-stats{grid-template-columns:1fr 1fr}.bottom-nav a{flex:1;width:auto}.topbar-user{font-size:12px}}
@media(max-width:420px){.metric-row{grid-template-columns:1fr 1fr;gap:8px}.metric-row>div{padding:11px}.metric-row strong{font-size:19px}.summary-grid{grid-template-columns:1fr}.process-list{grid-template-columns:1fr}.section-heading h2{font-size:22px}.topbar h1{font-size:22px}}

/* Company identity and responsive name presentation. */
.bill-card-head>div,.company-card>div{min-width:0}.company-card>div{flex:1}.bill-title{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:clamp(15px,1.7vw,18px)}
.company-name-line,.company-name-value{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:clamp(15px,1.8vw,18px)}
.detail-list>div{grid-template-columns:140px minmax(0,1fr)}.detail-list dd.company-address-value{font-weight:400;overflow-wrap:anywhere}.metric-row>div{min-width:0}
@media(max-width:760px){.detail-list>div{grid-template-columns:100px minmax(0,1fr)}}