/* B2「暗色视口工作台」前台主题：只作用于 body.public-site，后台保持原样 */
.public-site{--b2-bg:#0f1114;--b2-panel:#15171b;--b2-deep:#121418;--b2-raise:#1b2230;--b2-chip:#22262d;--b2-line:#262a31;--b2-line2:#2c3139;--b2-line3:#333842;--b2-text:#e9ebee;--b2-strong:#f2f3f5;--b2-soft:#d6d9de;--b2-muted:#b4bac4;--b2-dim:#9aa1ac;--b2-accent:#ff8a3d;--b2-accent-text:#ff9a52;--b2-cyan:#4cc9f0;--b2-mono:"JetBrains Mono",Consolas,"Cascadia Mono",monospace;
 --blue:var(--b2-accent);--ink:var(--b2-text);--muted:var(--b2-dim);--line:var(--b2-line);--bg:var(--b2-bg);
 background:var(--b2-bg);color:var(--b2-text);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif}
.public-site ::selection{background:#ff8a3d55}
.b2-mono{font-family:var(--b2-mono)}
.b2-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.admin-site .b2-community-bar{display:none}

/* 顶部交流群横幅 + 导航 */
.b2-community-bar{display:flex;width:100%;justify-content:center;align-items:center;gap:12px;min-height:36px;padding:4px 16px;background:#ff8a3d;color:#15171b;font-size:13px;font-weight:600;flex-wrap:wrap;border:0;cursor:pointer}
.b2-community-bar svg{width:16px;height:16px}
.b2-community-bar strong{font-family:var(--b2-mono)}
.b2-community-bar:hover{background:#ff9a52}
.public-site .public-header{background:#15171bf2;border-bottom:1px solid var(--b2-line)}
.public-site .brand-mark{background:var(--b2-accent);color:#15171b;box-shadow:none}
.public-site .brand,.public-site .public-brand{color:var(--b2-strong)}
.public-site .brand small{color:var(--b2-dim)}
.public-site .public-navigation a{color:var(--b2-muted);border-radius:6px}
.public-site .public-navigation a:hover{color:var(--b2-strong)}
.public-site .public-navigation a.active{color:var(--b2-strong)}
.public-site .public-navigation a.active::after{background:var(--b2-accent)}
.public-site .public-navigation a[data-public-page="launcher"]::before{content:"FREE";order:2;font-family:var(--b2-mono);font-size:9px;font-weight:700;color:#0f1114;background:var(--b2-cyan);padding:1px 4px;border-radius:3px;margin-left:6px}
.public-site .public-navigation a[data-public-page="launcher"]{display:inline-flex;align-items:center}
.public-site .public-apply{background:var(--b2-strong);border-color:var(--b2-strong);color:#15171b;box-shadow:none;font-weight:700}
.public-site .public-apply:hover{background:#fff}
.public-site .account-chip{background:var(--b2-chip);border-color:var(--b2-line3);color:var(--b2-strong)}
.public-site .account-chip svg{background:#2b2f37;color:var(--b2-accent-text)}
.public-site .shell>footer{border-top:1px solid var(--b2-line);color:var(--b2-dim);font-family:var(--b2-mono)}
.public-site .shell>footer a{color:var(--b2-accent-text)}

/* 通用控件 */
.public-site .btn{background:transparent;border-color:var(--b2-line3);color:var(--b2-strong)}
.public-site .btn:hover{background:var(--b2-chip)}
.public-site .btn.primary{background:var(--b2-accent);border-color:var(--b2-accent);color:#15171b;font-weight:700;box-shadow:none}
.public-site .btn.primary:hover{background:#ff9a52}
.public-site .btn.danger{background:transparent;color:#f87171;border-color:#5b2a2a}
.public-site .panel,.public-site .request-card,.public-site .guide-card,.public-site .plan-card,.public-site .activation-records{background:var(--b2-panel);border-color:var(--b2-line);color:var(--b2-text)}
.public-site .panel h2,.public-site .plan-card h3,.public-site .guide-card h3,.public-site .request-card h3,.public-site .page-heading h1{color:var(--b2-strong)}
.public-site .page-heading .eyebrow,.public-site .eyebrow{color:var(--b2-accent-text);font-family:var(--b2-mono)}
.public-site .eyebrow::before{background:var(--b2-accent)}
.public-site .page-heading p,.public-site .guide-card p,.public-site .plan-card p,.public-site .member-status p,.public-site .form-note,.public-site .request-card p{color:var(--b2-muted)}
.public-site .guide-card svg{color:var(--b2-accent-text)}
.public-site .page-intro{background:var(--b2-raise);border-color:#2c3a52;color:var(--b2-muted)}
.public-site .page-intro strong{color:var(--b2-strong)}
.public-site .page-intro svg{color:var(--b2-cyan)}
.public-site .empty{background:var(--b2-panel);border-color:var(--b2-line3);color:var(--b2-dim)}
.public-site .plan-price{color:var(--b2-strong)}
.public-site table th{color:var(--b2-dim);background:var(--b2-deep);border-color:var(--b2-line)}
.public-site table td{color:var(--b2-soft);border-color:var(--b2-line)}
.public-site .activation-records-table td strong{color:var(--b2-strong)}
.public-site .activation-records h2{color:var(--b2-strong);border-color:var(--b2-line)}
.public-site .activation-device{color:#ffb98a}
.public-site .badge.free,.public-site .badge.approved{background:#12303a;color:var(--b2-cyan)}
.public-site .badge.license,.public-site .badge.pending,.public-site .badge.price{background:#3a2a1f;color:var(--b2-accent-text)}
.public-site .badge.rejected,.public-site .badge.disabled,.public-site .badge.expired{background:#3a1f1f;color:#f87171}
.public-site .text-button{color:var(--b2-accent-text)}
.public-site .visitor-recovery{color:var(--b2-dim)}
.public-site .member-status strong{color:var(--b2-strong)}
.public-site #toast{background:var(--b2-strong);color:#15171b}

/* 弹窗 */
.public-site dialog{background:var(--b2-panel);border-color:var(--b2-line3);color:var(--b2-text);box-shadow:0 30px 100px #000a}
.public-site dialog::backdrop{background:#000a}
.public-site .modal-head{border-color:var(--b2-line)}
.public-site .modal-head h2{color:var(--b2-strong)}
.public-site .modal-foot{background:var(--b2-deep);border-color:var(--b2-line)}
.public-site .modal-body p,.public-site .modal-body li{color:var(--b2-muted)}
.public-site .modal-body h3{color:var(--b2-strong)}
.public-site .icon-button{background:transparent;color:var(--b2-muted)}
.public-site .detail-list{background:var(--b2-deep);color:var(--b2-dim)}
.public-site .detail-list strong{color:var(--b2-soft)}
.public-site .field{color:var(--b2-muted)}
.public-site .field input,.public-site .field select,.public-site .field textarea,.public-site input,.public-site select,.public-site textarea{background:var(--b2-bg);border-color:var(--b2-line2);color:var(--b2-text)}
.public-site .field input:focus,.public-site .field textarea:focus,.public-site .field select:focus{border-color:var(--b2-accent);box-shadow:0 0 0 3px #ff8a3d22}
.public-site .field small{color:var(--b2-dim)}
.public-site .auth-tabs button{background:transparent;color:var(--b2-muted)}
.public-site .auth-tabs button.active{background:var(--b2-chip);color:var(--b2-strong)}
.public-site .key-box,.public-site .file-checksum code,.public-site .instruction-text{background:var(--b2-bg);border-color:var(--b2-line);color:var(--b2-soft)}
.public-site .content-meta,.public-site .release-label{color:var(--b2-dim)}

/* B2 布局积木 */
.b2-eyebrow{font-family:var(--b2-mono);font-size:12px;color:var(--b2-accent-text);letter-spacing:.08em}
.b2-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:6px;font:inherit;font-size:14px;cursor:pointer;border:1px solid transparent;white-space:nowrap;text-decoration:none}
.b2-btn svg{width:16px;height:16px}
.b2-btn.accent{background:var(--b2-accent);color:#15171b;font-weight:700}
.b2-btn.accent:hover{background:#ff9a52}
.b2-btn.cyan{background:var(--b2-cyan);color:#0f1114;font-weight:700}
.b2-btn.cyan:hover{background:#6fd5f4}
.b2-btn.line{background:transparent;border-color:var(--b2-line3);color:var(--b2-strong)}
.b2-btn.line:hover{background:var(--b2-chip)}
.b2-btn.ghost{background:transparent;color:var(--b2-accent-text);font-weight:600;padding:0 12px}
.b2-btn.wide{width:100%}
.b2-btn:disabled{opacity:.5;cursor:not-allowed}
.b2-text-link{background:none;border:0;padding:0;font:inherit;font-size:13px;font-weight:600;color:var(--b2-accent-text);cursor:pointer}
.b2-text-link.muted{color:var(--b2-dim);font-weight:400}
.b2-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.b2-qr-mini{width:22px;height:22px;border:1px dashed currentColor;border-radius:3px;display:grid;place-items:center;font-size:9px;font-family:var(--b2-mono)}
.b2-panel{background:var(--b2-panel);border:1px solid var(--b2-line);border-radius:10px;padding:22px}
.b2-small{font-size:12px;line-height:1.7;color:var(--b2-dim);margin:0}
.b2-note{display:flex;gap:10px;align-items:flex-start;margin:16px 0;padding:12px 16px;border:1px dashed var(--b2-accent);border-radius:8px;background:#1a1712;color:var(--b2-soft);font-size:13px;line-height:1.7}
.b2-note svg{width:18px;height:18px;color:var(--b2-accent-text);margin-top:2px}
.b2-tile{width:36px;height:36px;flex:none;border-radius:7px;background:var(--b2-chip);border:1px solid var(--b2-line3);display:grid;place-items:center;font-family:var(--b2-mono);font-size:12px;font-weight:700;color:var(--b2-soft)}
.b2-tile.paid{color:var(--b2-accent-text)}.b2-tile.free{color:var(--b2-cyan)}.b2-tile.cyan{background:var(--b2-cyan);border-color:var(--b2-cyan);color:#0f1114;font-weight:800}
.b2-tile.big{width:72px;height:72px;border-radius:14px;font-size:22px}
.b2-dot,.b2-access i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--b2-soft);flex:none}
.b2-dot.free,.b2-access.free i{background:var(--b2-cyan)}.b2-dot.paid,.b2-access.paid i{background:var(--b2-accent)}
.b2-access{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--b2-soft)}
.b2-qr{background:var(--b2-strong);border-radius:6px;display:grid;place-items:center;text-align:center;color:#15171b;font-size:12px;line-height:1.5;padding:6px;overflow:hidden}
.b2-qr img{display:block;object-fit:contain;max-width:100%;height:auto}
.b2-qr span{display:grid;place-items:center;min-width:92px;min-height:92px}

/* 首屏：宗旨 + Ltools 主推 */
.b2-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:32px;align-items:center;padding:40px 0 36px;margin:0 calc(-1*clamp(20px,4vw,88px));padding-left:clamp(20px,4vw,88px);padding-right:clamp(20px,4vw,88px);background:repeating-linear-gradient(0deg,#181b20 0 1px,transparent 1px 40px),repeating-linear-gradient(90deg,#181b20 0 1px,transparent 1px 40px),var(--b2-bg)}
.b2-hero-copy{display:flex;flex-direction:column;gap:16px;min-width:0}
.b2-hero h1{margin:0;font-size:clamp(32px,3.4vw,46px);line-height:1.16;font-weight:700;color:var(--b2-strong);letter-spacing:0}
.b2-hero p{margin:0;font-size:16px;line-height:1.75;color:var(--b2-muted);max-width:540px}
.b2-hero kbd,.b2-ltools-card kbd{font-family:var(--b2-mono);font-size:.8em;padding:1px 6px;border:1px solid var(--b2-line3);border-bottom-width:2px;border-radius:4px;color:var(--b2-strong);background:var(--b2-chip)}
.b2-pillars{display:flex;gap:1px;background:var(--b2-line);border:1px solid var(--b2-line);border-radius:8px;overflow:hidden;max-width:560px}
.b2-pillars div{flex:1;background:var(--b2-panel);padding:12px 14px;display:flex;flex-direction:column;gap:3px;min-width:0}
.b2-pillars strong{font-size:13px;color:var(--b2-strong)}.b2-pillars span{font-size:12px;color:var(--b2-dim)}
.b2-ltools-card{background:var(--b2-panel);border:1px solid var(--b2-line3);border-radius:12px;overflow:hidden;box-shadow:0 30px 60px -30px #ff8a3d59;min-width:0}
.b2-card-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--b2-line)}
.b2-pin{font-family:var(--b2-mono);font-size:11px;font-weight:700;color:#15171b;background:var(--b2-accent);padding:3px 8px;border-radius:3px}
.b2-card-bar .b2-mono{font-size:11px;color:var(--b2-dim)}
.b2-ltools-body{padding:18px;display:flex;flex-direction:column;gap:14px}
.b2-ltools-body h2{margin:0;font-size:24px;font-weight:700;color:var(--b2-strong)}
.b2-ltools-body p{margin:0;font-size:14px;color:var(--b2-muted)}
.b2-palette{background:var(--b2-bg);border:1px solid var(--b2-line2);border-radius:10px;overflow:hidden}
.b2-palette-input{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--b2-line);font-size:15px;color:var(--b2-strong)}
.b2-palette-input svg{width:16px;height:16px;color:var(--b2-accent-text)}
.b2-palette-input i{width:2px;height:16px;background:var(--b2-accent);animation:b2blink 1s steps(1) infinite}
.b2-palette-input kbd{margin-left:auto;font-size:11px;color:var(--b2-dim)}
.b2-palette-list{padding:6px;display:flex;flex-direction:column}
.b2-palette-list div{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:6px;font-size:13px;color:var(--b2-soft);min-width:0}
.b2-palette-list div.on{background:var(--b2-raise);color:var(--b2-strong)}
.b2-palette-list b{font-family:var(--b2-mono);font-size:11px;color:var(--b2-accent-text);width:30px;flex:none}
.b2-palette-list span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b2-palette-list small{margin-left:auto;font-size:11px;color:var(--b2-dim);white-space:nowrap}
.b2-palette-list div.on small{color:var(--b2-cyan)}
@keyframes b2blink{50%{opacity:0}}
@media (prefers-reduced-motion:reduce){.b2-palette-input i{animation:none}}

/* 工具库：筛选栏 + 列表 + 详情 */
.b2-shell{display:flex;flex-wrap:wrap;gap:1px;background:var(--b2-line);border:1px solid var(--b2-line);border-radius:10px;overflow:hidden;margin:8px 0 40px;scroll-margin-top:90px}
.b2-rail{flex:1 1 200px;max-width:228px;background:var(--b2-panel);padding:14px 10px;display:flex;flex-direction:column;gap:2px}
.b2-rail-label{display:block;font-family:var(--b2-mono);font-size:10px;color:var(--b2-dim);letter-spacing:.1em;padding:14px 10px 6px}
.b2-rail-label:first-child{padding-top:4px}
.b2-rail-item{display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:34px;padding:0 10px;border:0;border-radius:6px;background:transparent;color:var(--b2-muted);font:inherit;font-size:13px;text-align:left;cursor:pointer}
.b2-rail-item:hover{background:#1c1f25;color:var(--b2-strong)}
.b2-rail-item.on{background:var(--b2-chip);color:var(--b2-strong)}
.b2-rail-item .b2-mono{font-size:11px}
.b2-rail-qr{margin-top:16px;border:1px dashed var(--b2-accent);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
.b2-rail-qr strong{font-size:13px;color:var(--b2-strong)}
.b2-rail-qr small{font-size:12px;color:var(--b2-dim);line-height:1.5}
.b2-rail-qr.wide{flex-direction:row;text-align:left;align-items:center;gap:12px}
.b2-rail-qr.wide div:last-child{display:flex;flex-direction:column;gap:4px}
.b2-list{flex:999 1 540px;min-width:0;background:var(--b2-deep);display:flex;flex-direction:column}
.b2-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 16px;background:var(--b2-panel);border-bottom:1px solid var(--b2-line)}
.b2-search{display:flex;align-items:center;gap:8px;height:36px;flex:1 1 220px;max-width:320px;padding:0 10px;background:var(--b2-bg);border:1px solid var(--b2-line2);border-radius:6px}
.b2-search:focus-within{border-color:var(--b2-accent)}
.b2-search svg{width:14px;height:14px;color:var(--b2-dim)}
.public-site .b2-search input{border:0;outline:0;flex:1;min-width:0;background:transparent;color:var(--b2-text);font-size:13px;padding:0}
.b2-search kbd{font-family:var(--b2-mono);font-size:10px;color:var(--b2-dim);border:1px solid var(--b2-line3);border-radius:3px;padding:0 5px}
.b2-seg{display:inline-flex;gap:2px;padding:3px;background:var(--b2-bg);border:1px solid var(--b2-line2);border-radius:7px;flex-wrap:wrap}
.b2-seg button{min-height:28px;padding:0 10px;border:0;border-radius:5px;background:transparent;color:var(--b2-muted);font:inherit;font-size:12px;cursor:pointer}
.b2-seg button:hover{color:var(--b2-strong)}
.b2-seg button.on{background:var(--b2-accent);color:#15171b;font-weight:700}
.b2-row{display:grid;grid-template-columns:minmax(0,1fr) 72px 76px 70px 92px;gap:12px;align-items:center;padding:0 16px 0 0;border-bottom:1px solid #1f2329;font-size:12px;color:var(--b2-muted);text-decoration:none}
.b2-row>.b2-mono{color:var(--b2-soft);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b2-row.sel{background:var(--b2-raise);box-shadow:inset 3px 0 0 var(--b2-accent)}
.b2-row:not(.b2-row-head):hover{background:#171b22}
.b2-row.sel:hover{background:var(--b2-raise)}
.b2-row-head{padding:9px 16px 9px 0;font-family:var(--b2-mono);font-size:10px;color:var(--b2-dim);letter-spacing:.08em;background:var(--b2-deep);grid-template-columns:minmax(0,1fr) 72px 76px 70px 92px}
.b2-row-head span:first-child{display:none}
.b2-row-head span{white-space:nowrap}
.b2-row-main{display:flex;align-items:center;gap:12px;min-width:0;padding:11px 0 11px 16px;background:transparent;border:0;font:inherit;text-align:left;color:inherit;cursor:pointer}
.b2-row-name{display:flex;flex-direction:column;gap:3px;min-width:0}
.b2-row-name strong{font-size:14px;font-weight:600;color:var(--b2-strong);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b2-row-name strong em{font-style:normal;font-family:var(--b2-mono);font-size:10px;color:var(--b2-cyan);border:1px solid var(--b2-cyan);padding:0 4px;border-radius:3px;margin-left:4px}
.b2-row-name small{font-size:12px;color:var(--b2-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b2-platform{font-size:11px;font-weight:400;color:var(--b2-dim);margin-left:4px}
.b2-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px 20px;text-align:center;color:var(--b2-dim);font-size:14px}
.b2-empty svg{width:28px;height:28px}
.b2-empty small{font-size:12px}
.b2-pager{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;font-size:12px;color:var(--b2-dim);margin-top:auto}
.b2-pager nav{display:flex;gap:4px;flex-wrap:wrap}
.b2-pager button{width:32px;height:32px;border-radius:5px;border:1px solid var(--b2-line2);background:transparent;color:var(--b2-soft);font-family:var(--b2-mono);cursor:pointer}
.b2-pager button.on{background:var(--b2-accent);border-color:var(--b2-accent);color:#15171b;font-weight:700}
.b2-detail{flex:1 1 320px;max-width:360px;background:var(--b2-panel);min-width:0}
.b2-detail-empty{padding:40px 20px;color:var(--b2-dim);text-align:center}
.b2-detail-media{aspect-ratio:16/9;display:grid;place-items:center;position:relative;border-bottom:1px solid var(--b2-line);background:repeating-linear-gradient(0deg,#20242a 0 1px,transparent 1px 24px),repeating-linear-gradient(90deg,#20242a 0 1px,transparent 1px 24px),#101216}
.b2-media-label{position:absolute;left:10px;top:8px;font-family:var(--b2-mono);font-size:10px;color:var(--b2-accent-text)}
.b2-play{width:52px;height:52px;border-radius:50%;border:0;background:var(--b2-accent);color:#15171b;display:grid;place-items:center;cursor:pointer}
.b2-play svg{width:20px;height:20px}
.b2-detail-body{padding:18px;display:flex;flex-direction:column;gap:14px}
.b2-detail-body>p{margin:0;font-size:13px;line-height:1.7;color:var(--b2-muted)}
.b2-detail-title{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.b2-detail-title h2{margin:0;font-size:19px;font-weight:700;color:var(--b2-strong)}
.b2-version{background:none;border:0;padding:0;font-size:12px;color:var(--b2-accent-text);cursor:pointer}
.b2-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--b2-line);border:1px solid var(--b2-line);border-radius:6px;overflow:hidden;text-align:center}
.b2-stats div{background:var(--b2-deep);padding:8px 4px;display:flex;flex-direction:column;gap:2px}
.b2-stats b{font-size:13px;color:var(--b2-strong);font-weight:600}.b2-stats b.paid{color:var(--b2-accent-text)}.b2-stats b.free{color:var(--b2-cyan)}
.b2-stats span{font-size:11px;color:var(--b2-dim)}
.b2-features{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--b2-soft)}
.b2-features li{display:flex;gap:8px;line-height:1.5}
.b2-features li::before{content:"+";font-family:var(--b2-mono);color:var(--b2-cyan)}
.b2-changelog{background:var(--b2-bg);border:1px solid var(--b2-line);border-radius:6px;padding:4px 12px 12px}
.b2-changelog .b2-rail-label{padding-left:0}
.b2-changelog p{margin:0;font-size:12px;line-height:1.7;color:var(--b2-muted)}
.b2-detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.b2-detail-actions .b2-btn{min-height:38px;font-size:13px;padding:0 10px}

/* 交流群专区 / 激活步骤 */
.b2-community{display:flex;flex-wrap:wrap;gap:1px;background:var(--b2-line);border:1px solid var(--b2-line);border-radius:10px;overflow:hidden;margin-bottom:24px;scroll-margin-top:90px}
.b2-community-copy{flex:1 1 380px;background:var(--b2-panel);padding:28px;display:flex;flex-direction:column;gap:14px}
.b2-community-copy h2,.b2-steps h2{margin:0;font-size:26px;font-weight:700;color:var(--b2-strong)}
.b2-community-copy ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--b2-soft)}
.b2-community-copy b{font-family:var(--b2-mono);color:var(--b2-accent-text);margin-right:12px}
.b2-community-qr{flex:1 1 320px;background:var(--b2-raise);padding:28px;display:flex;gap:20px;align-items:center;justify-content:center;flex-wrap:wrap}
.b2-community-qr strong{display:block;font-size:15px;color:var(--b2-strong);margin-bottom:8px}
.b2-community-qr p{margin:0;font-size:13px;line-height:1.6;color:var(--b2-muted);max-width:220px}
.b2-community-qr .b2-qr span{min-width:148px;min-height:148px}
.b2-steps{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:24px;align-items:center;background:var(--b2-panel);border:1px solid var(--b2-line);border-radius:10px;padding:28px;margin-bottom:40px}
.b2-steps>div{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.b2-steps p{margin:0;font-size:13px;line-height:1.7;color:var(--b2-muted)}
.b2-steps ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--b2-line);border:1px solid var(--b2-line);border-radius:8px;overflow:hidden}
.b2-steps li{background:var(--b2-deep);padding:16px;display:flex;flex-direction:column;gap:6px}
.b2-steps li b{font-family:var(--b2-mono);color:var(--b2-accent-text);font-size:18px}
.b2-steps li strong{font-size:14px;color:var(--b2-strong)}
.b2-steps li span{font-size:12px;line-height:1.6;color:var(--b2-dim)}

/* Ltools 页 */
.b2-launcher-hero{padding-top:56px;padding-bottom:48px}
.b2-launcher-hero .b2-ltools-card{padding:0}
.b2-launcher-hero .b2-palette{border:0;border-radius:0}
.b2-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;color:var(--b2-dim)}
.b2-grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--b2-line);border:1px solid var(--b2-line);border-radius:10px;overflow:hidden;margin:8px 0 24px}
.b2-grid4 div{background:var(--b2-panel);padding:22px;display:flex;flex-direction:column;gap:10px}
.b2-grid4 .b2-mono{font-size:12px;color:var(--b2-cyan)}
.b2-grid4 strong{font-size:16px;color:var(--b2-strong)}
.b2-grid4 p{margin:0;font-size:13px;line-height:1.65;color:var(--b2-muted)}
.b2-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:24px}
.b2-two .b2-panel{display:flex;flex-direction:column;gap:14px}
.b2-setup{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px}
.b2-setup li{display:flex;gap:14px}
.b2-setup b{flex:none;width:30px;height:30px;border-radius:6px;background:var(--b2-chip);display:grid;place-items:center;font-family:var(--b2-mono);color:var(--b2-accent-text)}
.b2-setup strong{display:block;font-size:15px;color:var(--b2-strong);margin-bottom:3px}
.b2-setup span{font-size:13px;color:var(--b2-muted)}
.b2-faq{margin:0}
.b2-faq dt{font-size:14px;font-weight:600;color:var(--b2-strong);margin-top:12px}
.b2-faq dt:first-child{margin-top:0}
.b2-faq dd{margin:4px 0 0;padding-bottom:12px;border-bottom:1px solid var(--b2-line);font-size:13px;line-height:1.65;color:var(--b2-muted)}
.b2-faq dd:last-child{border-bottom:0;padding-bottom:0}
.b2-banner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:var(--b2-raise);border:1px solid #2c3a52;border-radius:10px;padding:20px 24px;margin-bottom:40px}
.b2-banner>div:nth-child(2){flex:1 1 260px;display:flex;flex-direction:column;gap:4px}
.b2-banner strong{font-size:17px;color:var(--b2-strong)}
.b2-banner span{font-size:13px;color:var(--b2-muted)}

/* 我的仓库 */
.b2-page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;padding:32px 0 20px}
.b2-page-head>div:first-child{display:flex;flex-direction:column;gap:8px}
.b2-page-head h1{margin:0;font-size:32px;font-weight:700;color:var(--b2-strong)}
.b2-page-head p{margin:0;font-size:14px;color:var(--b2-muted)}
.b2-wh{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start;margin-bottom:40px}
.b2-wh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.b2-wh-grid .b2-empty{grid-column:1/-1;background:var(--b2-panel);border:1px dashed var(--b2-line3);border-radius:10px}
.b2-wh-card{padding:16px;display:flex;flex-direction:column;gap:12px}
.b2-wh-top{display:flex;align-items:center;gap:10px;min-width:0}
.b2-wh-top div{display:flex;flex-direction:column;gap:2px;min-width:0}
.b2-wh-top strong{font-size:14px;color:var(--b2-strong);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.b2-wh-top small{font-size:11px;color:var(--b2-dim)}
.b2-wh-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #1f2329;padding-top:10px}
.b2-wh-side{display:flex;flex-direction:column;gap:16px}
.b2-wh-side .b2-panel{padding:18px;display:flex;flex-direction:column;gap:12px}
.b2-wh-side .b2-rail-label{padding:0}
.b2-device{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px}
.b2-device div{display:flex;flex-direction:column;gap:2px}
.b2-device strong{color:var(--b2-strong);font-weight:500}
.b2-device small{font-size:11px;color:var(--b2-dim)}

/* 会员权益对比 */
.b2-rules{margin:20px 0;display:flex;flex-direction:column;gap:12px}
.b2-table{border:1px solid var(--b2-line);border-radius:8px;overflow:hidden}
.b2-tr{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(3,minmax(0,1fr));gap:12px;padding:12px 16px;border-bottom:1px solid #1f2329;font-size:13px;color:var(--b2-soft)}
.b2-tr:last-child{border-bottom:0}
.b2-tr.head{background:var(--b2-deep);font-family:var(--b2-mono);font-size:11px;color:var(--b2-dim)}
.b2-tr span:nth-child(3){color:var(--b2-accent-text)}
.b2-tr.head span:nth-child(3){color:var(--b2-dim)}
.b2-rules .b2-note{margin:0}

@media (max-width:960px){
 .b2-hero,.b2-steps,.b2-two,.b2-wh{grid-template-columns:minmax(0,1fr)}
 .b2-grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .b2-rail,.b2-detail{max-width:none}
 .b2-rail{flex-direction:row;flex-wrap:wrap;gap:4px}
 .b2-rail-label{width:100%;padding:8px 6px 2px}
 .b2-rail-item{flex:0 0 auto}
 .b2-rail-qr{display:none}
 .b2-row,.b2-row-head{grid-template-columns:minmax(0,1fr) 64px}
 .b2-hide{display:none !important}
 .b2-steps ol{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:600px){
 .b2-grid4{grid-template-columns:minmax(0,1fr)}
 .b2-pillars{flex-direction:column}
 .b2-tr{grid-template-columns:minmax(0,1fr) repeat(3,minmax(0,1fr));font-size:12px;padding:10px;gap:8px}
 .b2-detail-actions{grid-template-columns:minmax(0,1fr)}
 .b2-community-bar span{display:none}
}

/* 宽屏收窄 + 工具列表 v2 */
.b2-shell,.b2-community,.b2-steps{max-width:1440px;margin-left:auto;margin-right:auto}
.b2-hero{padding-left:max(clamp(20px,4vw,88px),calc(50vw - 720px));padding-right:max(clamp(20px,4vw,88px),calc(50vw - 720px))}
.b2-row,.b2-row-head{grid-template-columns:minmax(0,1fr) 84px 76px 104px;gap:16px;padding-right:20px}
.b2-row-head{padding-top:10px;padding-bottom:10px}
.b2-row-head span:first-child{display:block;padding-left:68px}
.b2-row-head span:last-child{text-align:left}
.b2-row-main{padding:14px 0 14px 20px;gap:14px}
.b2-row-name{gap:5px}
.b2-row-title{display:flex;align-items:center;gap:8px;min-width:0}
.b2-row-title strong{font-size:14px;font-weight:600;color:var(--b2-strong);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.b2-ver{flex:none;font-family:var(--b2-mono);font-size:11px;color:var(--b2-dim)}
.b2-chip{flex:none;font-size:11px;line-height:18px;padding:0 7px;border-radius:9px;background:var(--b2-chip);color:var(--b2-soft);border:1px solid var(--b2-line2)}
.b2-row-name small{max-width:68ch;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;white-space:normal;line-height:1.5}
.b2-when{font-size:12px;color:var(--b2-muted);white-space:nowrap}
.b2-when.fresh{color:var(--b2-accent-text)}
.b2-when.fresh::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--b2-accent);margin-right:6px;vertical-align:1px}
.b2-dl{display:inline-flex;align-items:center;gap:5px;font-family:var(--b2-mono);font-size:12px;color:var(--b2-soft)}
.b2-dl svg{width:13px;height:13px;color:var(--b2-dim)}
.b2-access.pill{justify-self:start;padding:3px 10px 3px 8px;border-radius:999px;border:1px solid var(--b2-line2);background:#14171c;font-size:12px;white-space:nowrap}
.b2-access.pill.free{border-color:rgba(76,201,240,.35);color:#8fdcf5}
.b2-access.pill.paid{border-color:rgba(255,138,61,.4);color:var(--b2-accent-text)}
.b2-row.sel .b2-row-title strong{color:#fff}
.b2-detail-title{align-items:center;gap:10px}
.b2-detail-title .b2-tile{width:40px;height:40px}
.b2-detail-title h2{font-size:18px;line-height:1.3}
.b2-detail-body{padding:20px}
@media (max-width:960px){
 .b2-row,.b2-row-head{grid-template-columns:minmax(0,1fr) auto;padding-right:14px}
 .b2-row-main{padding-left:14px}
 .b2-row-head span:first-child{padding-left:14px}
 .b2-row-name small{max-width:none}
}
@media (max-width:600px){
 .b2-row-title{flex-wrap:wrap;row-gap:2px}
 .b2-row-title strong{white-space:normal;width:100%}
 .b2-row-main{gap:10px}
 .b2-access.pill{padding:2px 8px 2px 7px;font-size:11px}
}
/* 弹窗提示条 / 工具图标暗色化 */
.public-site .form-note{background:rgba(255,138,61,.08);border:1px solid rgba(255,138,61,.28);border-left:3px solid var(--b2-accent);color:#e9d5c4;font-size:13px;line-height:1.7;padding:12px 14px;border-radius:8px}
.public-site .tool-icon{background:var(--b2-chip);border:1px solid var(--b2-line3);color:var(--b2-cyan)}