:root{--ink:#243b3c;--muted:#718182;--line:#e4ebeb;--page:#f6f9fa;--green:#167d68;--green-soft:#e9f5ef;--blue:#397d9d;--blue-soft:#edf5fa;--warning:#976522;--danger:#bc4851;--radius:6px;font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px;letter-spacing:0;background:var(--page)}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:3px solid #78bfae;outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:27px;font-weight:650;line-height:1.4}h2{font-size:18px;font-weight:600;line-height:1.5}h3{font-size:15px;font-weight:600;line-height:1.6}small{font-size:12px;color:var(--muted);line-height:1.7}p{line-height:1.8;overflow-wrap:anywhere}svg{width:18px;height:18px;flex:none}strong{font-weight:600}input,select,textarea{border:1px solid #d7e1e1;background:white;border-radius:4px;padding:10px 12px;width:100%;min-width:0;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px 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solid var(--line);background:white;padding:32px 18px 24px;display:flex;flex-direction:column;z-index:2}.brand{display:flex;align-items:center;gap:12px;padding:0 12px}.brand strong{font-size:26px;line-height:1.3}.brand strong span{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:5px}.brand-symbol{height:40px;width:40px;background:var(--green);color:white;border-radius:8px;display:grid;place-items:center}.brand-symbol svg{width:25px;height:25px}.nav-caption{font-size:11px;color:#9aa7a7;padding:36px 15px 12px}.main-nav{display:flex;flex-direction:column;gap:7px}.main-nav a{display:flex;align-items:center;gap:12px;padding:13px 15px;border-radius:5px;font-size:14px;color:#6a7c7c;position:relative}.main-nav a:hover{background:#f4f8f7}.main-nav a[aria-current]{background:var(--green-soft);color:var(--green);font-weight:600}.nav-marker{margin-left:auto;height:6px;width:6px;background:var(--green);border-radius:50%}.sidebar-account{margin-top:auto;padding:18px 8px 0;display:flex;gap:10px;align-items:center;border-top:1px solid var(--line)}.sidebar-account small{display:block}.avatar{height:34px;width:34px;background:var(--blue-soft);color:var(--blue);border-radius:50%;display:grid;place-items:center;flex:none}.role-select{font-size:13px;padding:6px 4px;border:0;background:transparent;max-width:140px}.main{min-width:0;display:flex;flex-direction:column}.topbar{min-height:76px;padding:0 40px;display:flex;justify-content:space-between;align-items:center;background:white;border-bottom:1px solid var(--line);gap:16px}.breadcrumb{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12px}.breadcrumb strong{color:var(--ink)}.breadcrumb>span{color:#c3cccc}.environment{font-size:11px;color:#819291;background:#f2f6f4;padding:5px 9px;border-radius:3px}.icon-btn{height:34px;width:34px;display:inline-grid;place-items:center;border:1px solid var(--line);background:white;border-radius:5px;padding:0}.icon-btn:hover{border-color:#aac4bd}.actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;gap:7px;min-height:36px;padding:8px 13px;border-radius:5px;border:1px solid #dbe5e3;font-size:13px;line-height:1.4;background:white;max-width:100%;text-align:center}.btn.primary{background:var(--green);color:white;border-color:var(--green)}.btn.primary:hover{background:#116752}.btn.secondary:hover{background:#f3f8f5;border-color:#b9d0c8}.btn.text{border-color:transparent;background:transparent;color:var(--green);padding:5px 7px}.btn.danger{color:var(--danger);background:#fff7f7;border-color:#efdbdd}.btn svg{width:16px;height:16px}.btn:empty{display:none}#workspace{padding:36px 40px 48px;max-width:1480px;width:100%;margin:0 auto;flex:1;outline:none}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.page-heading p{font-size:13px;color:var(--muted);margin-top:7px}.section{padding:26px 0;border-top:1px solid var(--line)}.section>h2{margin-bottom:22px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:15px}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0;border:1px solid var(--line);border-radius:6px;background:white;margin-bottom:30px}.metric{position:relative;padding:22px 25px;min-height:125px;border-right:1px solid var(--line)}.metric:last-child{border-right:0}.metric>span{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.metric>span svg{color:var(--blue);width:16px;height:16px}.metric strong{display:block;font-size:30px;font-weight:600;margin-top:13px;line-height:1.1}.metric>svg{position:absolute;right:22px;bottom:24px;color:#b5c5c1}.metric:hover{background:#fafdfe}.empty{text-align:center;padding:52px 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0}.check-row[hidden]{display:none}.role-choices{display:grid;grid-template-columns:1fr 1fr;gap:18px 12px;margin:15px 0}.form-footer{display:flex;justify-content:flex-end;max-width:940px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.form-error{color:var(--danger);font-size:12px;line-height:1.7;white-space:pre-line}.form-error:empty{display:none}.narrow{max-width:520px}.muted{color:var(--muted);font-size:13px}.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:0;padding:4px 0}.facts div{min-width:0}.facts dt{font-size:12px;color:var(--muted);margin-bottom:7px}.facts dd{margin:0;line-height:1.8;overflow-wrap:anywhere;font-size:13px;white-space:pre-wrap}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 244px;gap:36px}.decision-panel{border-left:1px solid var(--line);padding:24px 0 24px 24px;align-self:start;position:sticky;top:20px}.decision-panel h2{font-size:16px;margin-bottom:24px}.decision-panel .facts{grid-template-columns:1fr}.decision-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px}.record{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.record>div{min-width:0}.record>div:first-child{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.record small{display:block;width:100%}.timeline{position:relative;padding:0 0 24px 24px;border-left:1px solid #dbe7e4;font-size:13px}.timeline-dot{position:absolute;left:-4px;top:5px;width:7px;height:7px;background:#93b9ab;border-radius:50%}.timeline p{color:var(--muted);padding:4px 0}.setting-row{display:flex;align-items:center;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}.setting-row>label{flex:1;min-width:180px}.setting-row>input:not([type=checkbox]),.setting-row>select{width:130px}.setting-row .btn{height:34px;padding:8px}.next-step{display:flex;gap:18px;align-items:center;background:#edf6f2;border-left:3px solid var(--green);padding:25px 28px;margin-bottom:26px;min-height:130px}.next-step>div{flex:1;min-width:0}.next-step h2{font-size:20px;margin:6px 0}.next-step p{font-size:12px;color:#6e8c83}.step-icon{height:46px;width:46px;display:grid;place-items:center;background:#dcefe4;color:var(--green);border-radius:6px;flex:none}.step-icon svg{width:24px;height:24px}.eyebrow{font-size:11px;color:#6d9485}.connection{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}.connection>div{min-width:0}.connection p{font-size:13px;color:var(--muted);margin-top:6px}.connection-title{display:flex;gap:14px;align-items:flex-start}.direction{color:var(--muted);font-size:11px;font-weight:400;margin-left:8px}.contact-state{color:var(--blue)!important;font-size:12px!important}.listing{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.listing-item{border:1px solid var(--line);border-radius:6px;padding:24px;background:white;display:flex;flex-direction:column;min-height:248px}.listing-top{display:flex;gap:12px;align-items:center}.listing-top>div{min-width:0;flex:1}.listing-top small{display:block}.listing-avatar{height:38px;width:38px;border-radius:6px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;flex:none}.demand-avatar{color:var(--blue);background:var(--blue-soft)}.item-title{font-weight:600;font-size:16px;overflow-wrap:anywhere}.rate{font-size:14px;color:var(--green);text-align:right;white-space:nowrap}.rate small{font-size:10px;font-weight:400}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}.listing-description{font-size:13px;color:var(--muted);margin:16px 0 20px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.listing-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;border-top:1px solid #eef2f2;padding-top:15px}.progress-steps{list-style:none;display:flex;gap:25px;padding:18px 0;margin:0 0 22px;border-bottom:1px solid var(--line)}.progress-steps li{display:flex;align-items:center;gap:8px;color:#a0adad;font-size:13px}.progress-steps li.active{color:var(--green)}.upload-form{margin-top:24px;max-width:600px}.submit-strip{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:25px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.notice{border-left:3px solid #d3a858;padding:15px 18px;background:#fff8ed;font-size:13px}.loading,.boot{display:flex;gap:12px;align-items:center;justify-content:center;padding:120px 20px;color:var(--muted)}.loading svg{animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-state{text-align:center;padding:90px 20px}.error-state>svg{width:32px;height:32px;color:#99aca9;margin-bottom:18px}.error-state h1{font-size:22px}.error-state p{color:var(--muted);margin:14px 0 22px}footer{display:flex;justify-content:space-between;padding:20px 40px;font-size:10px;color:#9eabab;border-top:1px solid var(--line);gap:15px}footer a:hover{color:var(--green)}#toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;max-width:calc(100% - 30px);padding:13px 20px;background:#25413c;color:white;border-radius:5px;font-size:13px;z-index:10;box-shadow:0 6px 24px #26483b15}#toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid var(--line);border-radius:8px;padding:26px;width:560px;max-width:calc(100vw - 28px);max-height:calc(100dvh - 40px);color:var(--ink);box-shadow:0 20px 80px #1b353329}dialog::backdrop{background:#1e37364d;backdrop-filter:blur(2px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:25px}.dialog-head h2{font-size:20px}dialog p{margin-bottom:20px}dialog .form-grid{gap:0 16px}.proof-preview{display:block;width:100%;max-height:65vh;object-fit:contain;border:0}.proof-preview:is(iframe){height:65vh}.back-row{margin-bottom:16px}.login-page{min-height:100vh;display:flex;align-items:center;flex-direction:column;padding:54px 24px 0;background:#f5f9f8}.login-brand{margin-bottom:36px}.login-box{width:420px;max-width:100%;border:1px solid var(--line);padding:32px;background:white;border-radius:8px}.login-box h1{font-size:23px;margin:25px 0}.login-tabs{display:flex;align-items:center;border-bottom:1px solid var(--line);gap:8px;padding-bottom:16px}.login-page footer{margin-top:auto;max-width:600px;width:100%;background:transparent;border:0;padding:32px 0}.code-row{display:flex;align-items:flex-end;gap:10px}.code-row .field{flex:1;margin-bottom:0}.code-row .btn{white-space:nowrap;min-height:40px}.login-box .form-footer .btn{width:100%}.skip-link{position:fixed;left:10px;top:-80px;background:white;padding:12px;z-index:20}.skip-link:focus{top:10px}
.pagination{display:flex;justify-content:flex-end;align-items:center;gap:16px;padding-top:24px;font-size:12px;color:var(--muted)}
@media(min-width:1600px){#workspace{padding-top:44px}.main{background:#f8fafb}}
@media(max-width:1100px){.workspace-shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:26px 12px}.topbar{padding:0 26px}#workspace{padding:28px 26px}.detail-grid{grid-template-columns:minmax(0,1fr) 205px;gap:22px}.listing{grid-template-columns:1fr}.metric{padding:20px}.facts{grid-template-columns:1fr 1fr}.connection{align-items:flex-start;flex-direction:column}.connection>.actions{padding-left:0}.next-step{padding:22px}.page-heading h1{font-size:25px}}
@media(max-width:760px){.workspace-shell{display:block}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:16px 18px 0}.sidebar .brand{padding:0;gap:9px}.brand strong{font-size:22px}.brand-symbol{width:34px;height:34px}.sidebar .brand span:not(.brand-symbol){display:none}.nav-caption{display:none}.main-nav{flex-direction:row;gap:6px;margin-top:18px;overflow-x:auto;padding-bottom:10px}.main-nav a{padding:9px 11px;font-size:12px;gap:6px;white-space:nowrap;flex:none}.main-nav svg{width:15px;height:15px}.nav-marker{display:none}.sidebar-account{position:absolute;top:14px;right:18px;border:0;padding:0;margin:0;font-size:12px;max-width:180px}.sidebar-account small{font-size:10px}.sidebar-account .avatar{height:28px;width:28px}.topbar{padding:0 20px;min-height:57px}.topbar .environment{display:none}.breadcrumb{font-size:11px}#workspace{padding:24px 20px 36px}.page-heading{align-items:flex-start;gap:14px;margin-bottom:22px}.page-heading h1{font-size:23px}.page-heading p{font-size:12px}.page-heading>.actions{max-width:45%;justify-content:flex-end}.page-heading .btn{font-size:12px}.section{padding:23px 0}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:25px}.metric{min-height:107px;padding:17px;border-bottom:1px solid var(--line)}.metric strong{font-size:26px}.metric>span{font-size:11px}.metric:nth-child(2n){border-right:0}.metric:last-child{border-bottom:0}.metric>svg{right:16px;bottom:17px;width:15px}.tabs{gap:22px}.filter-bar{gap:12px}.filter-bar .field{min-width:130px;max-width:none}.form-grid{grid-template-columns:1fr;gap:0}.facts{grid-template-columns:1fr 1fr;gap:20px 16px}.detail-grid{display:flex;flex-direction:column-reverse;gap:0}.decision-panel{position:static;padding:20px 0;border-left:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);width:100%}.decision-panel .facts{grid-template-columns:1fr 1fr}.decision-panel h2{margin-bottom:14px}.decision-actions{flex-direction:row;flex-wrap:wrap;margin-top:15px}.next-step{align-items:flex-start;flex-wrap:wrap;padding:20px;gap:14px}.next-step h2{font-size:18px}.next-step .btn{margin-left:60px}.next-step .step-icon{width:42px;height:42px}.next-step>div{min-width:180px}.connection-title h3{font-size:14px}.connection-title{gap:10px}.direction{display:block;margin-left:0}.listing-item{padding:19px}.listing-top{flex-wrap:wrap}.listing-top .rate{margin-left:auto}.listing-description{font-size:12px}.progress-steps{gap:12px;justify-content:space-between}.progress-steps li{font-size:11px;gap:5px}.progress-steps svg{width:15px;height:15px}.submit-strip{align-items:flex-start;flex-direction:column}td{padding:13px;min-width:95px}td:first-child{min-width:150px}.table-wrap{max-width:100%}.record{flex-wrap:wrap}.role-choices{grid-template-columns:1fr}.dialog-head h2{font-size:18px}dialog{padding:22px}dialog .form-grid{grid-template-columns:1fr}footer{padding:18px 20px}.setting-row>label{min-width:160px}.setting-row>input:not([type=checkbox]){width:80px}.login-page{padding-top:30px}.login-box{padding:25px}.login-box h1{font-size:22px}.error-state{padding:60px 0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* 供应商配置使用工作区宽度；长凭据和状态在窄屏内换行。 */
.provider-section{width:100%;min-width:0}.provider-section .form-grid{max-width:none;width:100%;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.provider-section .section-heading{flex-wrap:wrap;gap:12px}.provider-section .field{min-width:0}.provider-section .field>span{overflow-wrap:anywhere}.provider-section .actions{margin-top:16px}.provider-section [data-provider-result]{overflow-wrap:anywhere;margin-top:12px}
@media(max-width:760px){.provider-section .form-grid{grid-template-columns:minmax(0,1fr)}.provider-section .section-heading .tag{white-space:normal;max-width:100%}}
.log-detail{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;max-width:100%;line-height:1.6}
.login-tabs a{display:flex;flex:1;align-items:center;justify-content:center;min-height:42px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:14px;line-height:1.5}
.login-tabs a[aria-current=page]{background:var(--green-light,#e6f3ed);color:var(--green,#187966)}
.login-return{display:block;margin-top:20px;text-align:center;font-size:13px}
.login-privacy-note{margin:18px 0 0;color:var(--muted);font-size:12px;line-height:1.8}
.login-box>.form-error:not(:empty){margin-top:16px}
.quota-explainer{display:flex;align-items:center;gap:24px;justify-content:space-between;background:#eaf4ec;border:1px solid #c8dfce;border-left:5px solid #28775b;border-radius:14px;padding:22px 26px;margin:0 0 24px}
.quota-explainer strong,.quota-help-title{font-size:20px;line-height:1.5;color:#20563f;font-weight:750}
.quota-explainer p{margin:8px 0 0;font-size:14px;line-height:1.7;color:#486253}
.landing{--land-green:#256b50;--land-ink:#203c2e;background:#f9faf5;color:var(--land-ink);overflow:hidden}
.landing-header{max-width:1240px;margin:auto;padding:28px 36px;display:flex;align-items:center;justify-content:space-between}
.landing-header nav{display:flex;align-items:center;gap:28px}.landing-header nav>a:first-child{font-weight:600;text-decoration:none}
.landing-hero{max-width:1240px;margin:20px auto 0;padding:56px 36px 90px;display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.hero-kicker{display:inline-flex;gap:10px;align-items:center;font-size:13px;font-weight:650;letter-spacing:.04em;color:#58755d}
.live-dot{height:7px;width:7px;border-radius:50%;background:#34835a;box-shadow:0 0 0 5px #e5efdf}
.hero-copy h1{font-family:"STSong","Songti SC","Noto Serif SC",serif;font-weight:600;font-size:clamp(42px,4.8vw,68px);line-height:1.2;letter-spacing:-.04em;margin:28px 0;color:#203c2e}
.hero-copy h1 span{color:#377c55}.hero-copy>p{max-width:470px;font-size:17px;line-height:1.9;color:#637266;margin:0 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-actions .btn{min-height:48px;padding:13px 24px}
.hero-note{display:flex;gap:8px;align-items:center;color:#6c7b6a;font-size:12px;margin-top:22px}.hero-note svg{width:16px;height:16px}
.connection-scene{position:relative;height:400px;border:1px solid #dce7d5;border-radius:28px;background:#eaf0e4;isolation:isolate}
.scene-grid{position:absolute;inset:0;border-radius:28px;background-image:linear-gradient(#8faf8d15 1px,transparent 1px),linear-gradient(90deg,#8faf8d15 1px,transparent 1px);background-size:28px 28px;z-index:-1}
.scene-tag{position:absolute;top:24px;left:28px;font-size:12px;color:#688065;letter-spacing:.08em}
.scene-card{position:absolute;background:#fffefb;width:245px;padding:22px;border:1px solid #e3e9dc;border-radius:18px;box-shadow:0 12px 30px #2342230c;transition:transform .25s,box-shadow .25s}
.scene-card:hover{transform:translateY(-5px);box-shadow:0 18px 34px #23422318}.scene-parent{top:65px;left:24px}.scene-teacher{bottom:42px;right:24px}
.scene-avatar{display:flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:12px;background:#eaf2e4;color:#497449;margin-bottom:10px}
.scene-card small{font-size:11px;color:#798871}.scene-card h2{font-size:18px;margin:6px 0 8px}.scene-card p{font-size:12px;color:#798871;line-height:1.6;margin:0 0 14px}
.scene-pill{display:inline-block;font-size:10px;background:#f0f4eb;color:#5b7856;border-radius:30px;padding:5px 10px}
.scene-bridge{position:absolute;display:flex;gap:10px;align-items:center;top:211px;left:48%;color:#568850;z-index:-1}.scene-bridge span{width:28px;border-top:2px dashed #9fb598}
.scene-bottom{position:absolute;bottom:17px;left:27px;font-size:11px;color:#6b8165}
.landing-stats{position:relative;max-width:1168px;margin:auto;padding:32px 34px 54px;border-top:1px solid #dbe4d5;border-bottom:1px solid #dbe4d5;display:grid;grid-template-columns:repeat(3,1fr);text-align:center}
.landing-stats>div+div{border-left:1px solid #dbe4d5}.landing-stats strong{display:block;font-size:42px;letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:#2b6849;font-weight:650}.landing-stats span{font-size:13px;color:#76836f}
.landing-stats p{position:absolute;bottom:13px;left:28px;font-size:11px;color:#7a8874;margin:0}.landing-stats>button{position:absolute;bottom:5px;right:24px;font-size:11px}
.landing-process{max-width:1240px;padding:92px 36px 80px;margin:auto}.landing-section-head>span{font-size:10px;letter-spacing:.16em;color:#739264}
.landing-section-head h2{font-size:30px;letter-spacing:-.03em;margin:14px 0}.landing-section-head p{font-size:14px;color:#7b8972}
.process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin-top:46px}.process-steps article{border-top:2px solid #c8d9bf;padding:24px 0}.process-steps article>span{font-size:12px;color:#92a488}.process-steps article>svg{display:block;margin:18px 0 22px;width:27px;height:27px;color:#507a43}
.process-steps h3{font-size:19px;margin:0 0 12px}.process-steps p{max-width:320px;font-size:14px;line-height:1.9;color:#7a8872;margin:0}
.landing-principles{max-width:1168px;margin:auto;padding:50px;border-radius:24px;background:#edf3e7;display:grid;grid-template-columns:1fr 1.1fr;gap:80px}.landing-principles h2{font-size:30px;line-height:1.45;margin:18px 0 26px}
.principle-list details{border-bottom:1px solid #cfddc6;padding:20px 0}.principle-list details:first-child{padding-top:0}.principle-list summary{font-size:15px;font-weight:600;cursor:pointer;line-height:1.6}.principle-list p{font-size:13px;line-height:1.9;color:#74846a;margin:15px 0 0}
.landing-cta{max-width:1240px;padding:80px 36px;display:flex;align-items:center;justify-content:space-between;gap:26px;margin:auto}.landing-cta span{font-size:13px;color:#7b8b72}.landing-cta h2{font-size:34px;letter-spacing:-.04em;margin:12px 0 0}
.landing-footer{max-width:1168px;margin:auto;padding:24px 0;border-top:1px solid #dbe4d5;display:flex;gap:24px;align-items:center;color:#7b8974;font-size:11px}.landing-footer>span{margin-right:auto}
.hero-copy,.connection-scene{animation:landing-in .65s ease-out both}.connection-scene{animation-delay:.12s}.stat-ready{animation:landing-in .4s ease-out both}
@keyframes landing-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:900px){.landing-hero{gap:28px}.scene-card{width:210px}.landing-principles{gap:32px;padding:36px}.scene-parent{left:15px}.scene-teacher{right:15px}}
@media(max-width:760px){.quota-explainer{align-items:flex-start;flex-direction:column;padding:20px}.quota-explainer strong{font-size:19px}.landing-header{padding:20px}.landing-header nav{gap:14px}.landing-header nav>a{font-size:12px}.landing-header .brand strong{font-size:18px}.landing-hero{grid-template-columns:1fr;padding:34px 20px 48px;gap:32px;margin:0}.hero-copy h1{font-size:43px}.hero-copy>p{font-size:15px}.connection-scene{height:340px;max-width:480px;width:100%;margin:auto}.scene-parent{top:52px}.scene-teacher{bottom:36px}.scene-card{width:210px;padding:16px}.scene-bridge{top:180px}.landing-stats{margin:0 20px;padding:24px 0 64px}.landing-stats strong{font-size:30px}.landing-stats p{left:0;font-size:10px;max-width:calc(100% - 82px)}.landing-stats>button{right:0}.landing-process{padding:58px 20px 34px}.landing-section-head h2{font-size:26px}.process-steps{grid-template-columns:1fr;gap:8px;margin-top:30px}.process-steps article{position:relative;padding:22px 0 22px 46px}.process-steps article>svg{position:absolute;left:0;top:25px;margin:0}.process-steps p{max-width:none}.landing-principles{grid-template-columns:1fr;margin:0 20px;padding:28px 24px;gap:28px}.landing-principles h2{font-size:26px}.landing-cta{flex-direction:column;align-items:flex-start;padding:48px 20px}.landing-cta h2{font-size:28px}.landing-footer{margin:0 20px;flex-wrap:wrap;font-size:10px;gap:12px;padding:20px 0}.hero-kicker{font-size:11px}}
@media(prefers-reduced-motion:reduce){.hero-copy,.connection-scene,.stat-ready{animation:none}.scene-card{transition:none}}

.support-floating{position:fixed;right:20px;bottom:20px;z-index:20;min-height:48px;padding:12px 18px;border:1px solid #1d8066;border-radius:24px;background:var(--green);color:#fff;box-shadow:0 6px 22px #164d3526}
.support-card{display:flex;flex-direction:column;align-items:center;gap:14px;padding:12px 0}.support-qr{width:min(260px,100%);height:auto;object-fit:contain}.wechat-id{font-size:22px;user-select:all;overflow-wrap:anywhere}.auth-links{display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between;margin-top:18px;font-size:13px;text-decoration:underline}
.support-editor{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}.support-preview{display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);padding:20px;border-radius:12px}.support-preview img{max-width:100%;max-height:320px;object-fit:contain}
.site-config-intro{margin-bottom:24px;color:var(--muted)}
.site-config-section .form-grid,.site-config-section .form-footer{max-width:none;width:100%}
.site-config-section .form-footer{gap:12px;flex-wrap:wrap;margin-top:28px;padding-top:22px}
.site-config-section .form-footer .btn{min-height:44px;min-width:120px}
.site-config-section .support-preview{align-self:start;min-height:280px}
.image-upload-actions{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.upload-hint{margin:0;color:var(--muted);font-size:12px;line-height:1.7}
.site-config-section .media-upload{align-items:center}
.site-config-section .media-upload .field{margin-bottom:0}
.site-config-section .media-upload+.upload-hint{margin-top:10px}
.site-config-section [data-site-upload]{min-height:44px;flex-shrink:0}
.public-page #workspace.public-content{max-width:960px}
.public-content .announcement-card{margin-top:24px;padding:28px;border:1px solid var(--line);border-radius:10px;background:white}
.announcement-card>header{margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.announcement-card>header h2{font-size:22px;overflow-wrap:anywhere}
.announcement-card>header p{margin-top:8px}
.announcement-title:hover{color:var(--green);text-decoration:underline}
.announcement-card .markdown-body{font-size:16px}
@media(max-width:760px){
  .site-config-section .form-footer .btn{flex:1;min-width:0}
  .site-config-section .media-upload{align-items:stretch}
  .site-config-section .support-preview{min-height:200px}
  .public-content .announcement-card{padding:20px;margin-top:20px}
  .announcement-card>header h2{font-size:20px}
}
.markdown-editor{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;margin:20px 0}.markdown-source,.markdown-preview{min-width:0}.markdown-preview{padding:18px;background:#f8faf9;border:1px solid var(--line);border-radius:8px}.markdown-source textarea{font-family:ui-monospace,monospace;min-height:360px}.markdown-body{line-height:1.9;overflow-wrap:anywhere}.markdown-body>*+*{margin-top:14px}.markdown-body h1{font-size:26px}.markdown-body h2{font-size:22px}.markdown-body h3{font-size:19px}.markdown-body img{max-width:100%;height:auto;border-radius:8px}.markdown-body pre{max-width:100%;overflow:auto;padding:14px;background:#eaf0ec;border-radius:6px}.markdown-body code{font-family:ui-monospace,monospace}.markdown-body blockquote{margin-left:0;border-left:3px solid #8cb7a0;padding-left:16px}.markdown-body a{color:var(--green);text-decoration:underline}.markdown-body table{display:block;overflow:auto}.markdown-body ul,.markdown-body ol{padding-left:24px}.editor-tabs{display:none}.public-content{max-width:900px;padding:30px;margin:auto}.public-content>h1{margin:20px 0}.announcement-card{padding:22px 0;border-bottom:1px solid var(--line)}.public-page{min-height:100vh}.announcement-button{white-space:nowrap}.login-page>.announcement-button{position:absolute;right:24px;top:24px}.media-upload{display:flex;align-items:end;gap:12px}.media-upload label{min-width:0;flex:1}
@media(max-width:760px){
  body{padding-bottom:calc(88px + env(safe-area-inset-bottom))}input,select,textarea{font-size:16px}button,.btn,.main-nav a{min-height:44px}.topbar{flex-wrap:wrap;gap:8px;height:auto;min-height:64px}.topbar .actions{gap:8px}.breadcrumb{min-width:0;font-size:12px}.support-floating{right:14px;bottom:calc(16px + env(safe-area-inset-bottom));min-height:48px}.support-editor,.markdown-editor{grid-template-columns:minmax(0,1fr);gap:18px}.editor-tabs{display:flex;gap:12px;margin:16px 0}.markdown-editor[data-view=edit] .markdown-preview{display:none}.markdown-editor[data-view=preview] .markdown-source{display:none}.markdown-source textarea{min-height:320px}.public-content{padding:20px}.login-page>.announcement-button{top:12px;right:14px;font-size:12px;padding:8px 12px}.landing-header{flex-wrap:wrap;gap:16px}.landing-header nav{gap:10px;flex-wrap:wrap}.media-upload{align-items:stretch;flex-direction:column}.form-footer{flex-wrap:wrap}.auth-links{gap:18px}dialog{max-width:calc(100vw - 24px);max-height:calc(100dvh - 32px);overflow:auto}.support-qr{width:min(240px,100%)}.section,.main,#workspace{min-width:0}
}
.usage-notice{margin:18px 0;padding:16px 18px;border:1px solid #d3dfd5;border-left:4px solid var(--green);border-radius:8px;background:#f3f7f3;line-height:1.75;overflow-wrap:anywhere}
.usage-notice strong{display:block;font-size:16px;color:#254b36}.usage-notice p{margin:6px 0;color:#455b4b;font-size:14px}
.service-notice-link{display:inline-block;text-decoration:underline;text-underline-offset:3px;color:var(--green);font-size:14px;padding:8px 0}
.landing-usage{margin:0 auto;max-width:1180px;padding:0 32px}.landing-footer,footer{flex-wrap:wrap;gap:12px}
.service-notice-page{line-height:1.85}.service-notice-page section{margin:28px 0}.service-notice-page h2{font-size:20px;margin-bottom:10px}.service-notice-page section p+p{margin-top:12px}.notice-lead{padding:18px;background:#f3f7f3;border-left:4px solid var(--green);border-radius:6px}.service-notice-page .hero-actions{flex-wrap:wrap}
@media(max-width:760px){.landing-usage{padding:0 20px}.usage-notice{padding:14px}.service-notice-link{min-height:44px;display:inline-flex;align-items:center}.service-notice-page h1{font-size:26px}.service-notice-page h2{font-size:19px}}
.support-floating.support-inline{position:static;right:auto;bottom:auto;z-index:auto;box-shadow:none;flex:none}