:root{--bg:#f5f7fc;--surface:#fff;--surface-2:#f7f9fe;--text:#0e1729;--text-2:#5c6b85;--line:#e2e8f3;--line-2:#ccd7e9;--accent:#4f46e5;--accent-soft:#edefff;--accent-ink:#3730a3;--error:#b42318;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif}
/* 官网、登录页与工作台共用品牌栏和基础控件，不随正文容器或侧栏折叠改变。 */
:root{--shell-header-height:64px;--shell-gutter:24px;--control-height:44px;--control-radius:10px;--brand-mark-size:32px;--brand-font-size:16px;--brand-gap:10px;--action-bg:#4f46e5;--accent-hover:#4338ca}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%}
body{margin:0;min-width:320px;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
h1,h2,p{margin:0}
h1{font-size:25px;line-height:1.3;letter-spacing:-.02em}
h2{font-size:16px;line-height:1.4}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--accent-soft);color:var(--accent-ink)}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;z-index:100;top:-80px;left:16px;padding:8px 14px;background:var(--surface);border:1px solid var(--accent);border-radius:10px}
.skip-link:focus{top:12px}
.muted{color:var(--text-2)}.small{font-size:12px}.spacer{flex:1}
.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:var(--control-height);padding:8px 15px;border-radius:var(--control-radius);border:1px solid transparent;font-weight:700;line-height:1.3;white-space:nowrap;transition:background-color .16s,color .16s,border-color .16s,box-shadow .16s}
.button:hover{box-shadow:0 5px 16px -12px rgba(14,23,41,.45)}
.button:active{translate:0 1px}
.button:disabled,button:disabled{cursor:not-allowed;opacity:.5;box-shadow:none}
.button-primary{background:var(--action-bg);color:#fff}
.button-primary:hover:not(:disabled){background:var(--accent-hover)}
.button-outline{background:var(--surface);border-color:var(--line-2);color:var(--text)}
.button-outline:hover:not(:disabled){background:var(--surface-2);border-color:var(--accent)}
.full{width:100%}
input,select,textarea{width:100%;min-height:var(--control-height);border:1px solid var(--line-2);border-radius:var(--control-radius);background:var(--surface);color:var(--text);padding:9px 12px;outline:none;caret-color:var(--accent)}
textarea{resize:vertical;min-height:82px}
input::placeholder,textarea::placeholder{color:#687791}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.11)}
label{font-size:13px;font-weight:700}
.stack{display:flex;flex-direction:column;gap:10px}
.form-error{padding:10px 12px;border-radius:10px;background:#fff2f0;color:var(--error);font-size:13px}
.notice{padding:10px 12px;border-radius:10px;background:var(--accent-soft);color:var(--accent-ink);font-size:13px}
.brand{display:inline-flex;align-items:center;gap:var(--brand-gap);min-height:var(--control-height);border-radius:var(--control-radius);font-size:var(--brand-font-size);line-height:1.4;white-space:nowrap;color:var(--text)}.brand strong{font-weight:800}.brand-name{white-space:nowrap}
.brand-mark,.login-symbol{display:grid;place-items:center;color:var(--accent);background:var(--accent-soft);border:1px solid var(--line)}
.brand-mark{width:var(--brand-mark-size);height:var(--brand-mark-size);flex:none;border-radius:var(--control-radius)}.brand-mark svg{width:20px;height:20px}
.site-header{flex:none;min-height:var(--shell-header-height);background:var(--surface);border-bottom:1px solid var(--line)}
.site-header-inner{display:flex;align-items:center;gap:24px;min-height:var(--shell-header-height);width:100%;padding-inline:var(--shell-gutter)}
.site-header-inner>.brand{flex:none}
.header-tools{display:flex;align-items:center;gap:8px;min-height:var(--shell-header-height);margin-left:auto;flex:none}
.header-action{font-size:14px;flex:none}
.utility-nav{display:flex;align-items:center;gap:4px;color:var(--text-2);font-size:14px;font-weight:600}
.utility-nav a{display:inline-flex;align-items:center;min-height:var(--control-height);padding:8px 12px;border-radius:var(--control-radius)}
.utility-nav a:hover{background:var(--surface-2);color:var(--accent-ink)}
.login-page{min-height:100vh;background:var(--bg)}
.login-main{display:grid;place-items:center;min-height:calc(100vh - var(--shell-header-height) - 1px);padding:36px 20px 70px}
.login-panel{width:min(100%,440px);padding:34px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 48px -36px rgba(14,23,41,.3)}
.login-symbol{width:52px;height:52px;border-radius:15px;margin-bottom:22px}.login-symbol svg{width:27px;height:27px}
.login-panel h1{margin-bottom:7px}.login-panel>.muted{margin-bottom:24px}
.login-panel .notice{margin-bottom:18px}.login-panel .notice[hidden]{display:none}
.login-panel form{gap:9px}.login-panel form label:not(:first-child){margin-top:8px}.login-panel form .button-primary{margin-top:10px}
.code-row{display:flex;gap:8px}.code-row input{min-width:0}.code-row button{flex:0 0 auto}
.captcha-row{display:flex;align-items:center;gap:10px}.captcha-row input{min-width:0;flex:1}.captcha-refresh{display:grid;place-items:center;flex:0 0 144px;height:52px;padding:0;border:1px solid var(--line);border-radius:var(--control-radius);background:#f8f8f8;color:#35354b;overflow:hidden;cursor:pointer}.captcha-refresh img{display:block;width:144px;height:auto}.captcha-refresh img[hidden]{display:none}.captcha-refresh:disabled{cursor:wait;opacity:.65}.captcha-hint{font-size:12px;line-height:1.5;margin:0}
.wechat-area{margin-top:18px}.divider{display:flex;align-items:center;gap:12px;margin-bottom:17px;text-align:center;color:var(--text-2);font-size:13px}.divider::before,.divider::after{content:"";height:1px;background:var(--line);flex:1}
.login-panel>.form-error{margin-top:16px}
.app-page{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden}
.app-shell{display:flex;flex:1;min-height:0;overflow:hidden}
.sidebar{position:relative;width:228px;flex:0 0 228px;display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--line);z-index:30}
.side-head{height:70px;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid var(--line)}
.side-nav{display:flex;flex-direction:column;gap:3px;padding:14px 10px;flex:1;overflow-y:auto}
.side-nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:13px;color:var(--text-2);font-size:14px;font-weight:700}
.side-nav a:hover{background:var(--surface-2);color:var(--text)}.side-nav a[aria-current="page"]{background:var(--accent-soft);color:var(--accent-ink)}
.side-chat-row{display:flex;align-items:center;gap:2px}.side-chat-row>a{flex:1;min-width:0}
.history-toggle{display:grid;place-items:center;flex:none;width:44px;height:44px;padding:0;border:0;border-radius:10px;background:transparent;color:var(--text-2)}
.history-toggle:hover,.history-toggle[aria-expanded="true"]{background:var(--accent-soft);color:var(--accent-ink)}
.history-popover{position:absolute;z-index:1;left:calc(100% + 12px);top:116px;display:flex;flex-direction:column;width:320px;max-width:calc(100vw - 252px);max-height:calc(100dvh - 140px);padding:12px;border-radius:16px;background:var(--surface);box-shadow:0 12px 36px -12px rgba(14,23,41,.24)}
.history-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 0 8px 12px;flex-shrink:0}
.history-head h2{color:var(--text-2);font-size:14px;font-weight:600}
.history-head .icon-button{display:flex;width:44px;height:44px;flex:none;border:0;background:transparent;color:var(--text-2)}
.history-head .icon-button:hover{background:var(--surface-2);color:var(--text)}
.side-account{border-top:1px solid var(--line);padding:16px 18px}.account-name{font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-actions{display:flex;gap:15px;margin-top:13px;font-size:13px;font-weight:700}.side-actions a{color:var(--accent-ink)}.side-actions button{border:0;background:none;color:var(--text-2);padding:0;font-weight:700}.side-actions button:hover{color:var(--error)}
.main{min-width:0;flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}
.quota-chip{background:var(--surface);border:1px solid var(--line);border-radius:100px;padding:7px 13px;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.nav-toggle{display:none}.icon-button{width:var(--control-height);height:var(--control-height);flex-shrink:0;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface);color:var(--text-2);border-radius:var(--control-radius)}
.icon-button:hover{background:var(--surface-2);color:var(--accent-ink)}
.global-status{padding:10px 26px;background:#fff2f0;color:var(--error);font-size:13px}
.global-status{flex-shrink:0}
.main-inner{width:100%;flex:1;min-height:0;display:flex;flex-direction:column;overflow-y:auto;padding:26px 30px 24px}
.view{flex-shrink:0}
#view-chat{display:flex;flex-direction:column;flex:1;min-height:440px}
#view-chat>.section-head{flex-shrink:0}
.view[hidden],.nav-scrim[hidden]{display:none}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}.section-head p{margin-top:5px;font-size:13px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}
.panel h2{margin-bottom:15px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.panel-head h2{margin:0}
.inline-actions{display:flex;gap:7px;flex-wrap:wrap}
.two-column{display:grid;grid-template-columns:minmax(320px,420px) minmax(0,1fr);gap:24px;align-items:start}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid>div{min-width:0}.form-grid label{display:block;margin-bottom:7px}
.chat-layout{display:flex;flex:1;min-height:0}
.chat-pane{flex:1;background:var(--surface);border:1px solid var(--line);border-radius:16px;min-width:0}
.session-list{display:flex;flex-direction:column;gap:4px;min-height:0;overflow-y:auto;padding:0 4px 4px}.session-list p{padding:16px 8px;overflow-wrap:anywhere}.session-item{width:100%;min-height:44px;flex-shrink:0;padding:11px 12px;text-align:left;border:0;border-radius:10px;background:transparent;color:var(--text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.session-item:hover:not(:disabled){background:var(--surface-2)}.session-item[aria-current="true"]{background:var(--accent-soft);color:var(--accent-ink)}
.chat-pane{display:flex;flex-direction:column;min-height:0}.message-list{flex:1;padding:22px;overflow-y:auto;display:flex;flex-direction:column;gap:17px}.message{max-width:min(90%,680px);min-width:0;flex-shrink:0;display:flex;flex-direction:column;gap:4px;overflow-wrap:anywhere}.message>.message-author{font-size:13px;color:var(--text-2)}.message-body{padding:12px 15px;border-radius:13px;background:var(--surface-2);white-space:pre-wrap}.message-user{align-self:flex-end}.message-user>.message-body{background:var(--accent-soft);color:var(--text)}.message-user>.message-author{text-align:right}.message-error>.message-body{background:#fff2f0;color:var(--error)}
.empty-state{padding:24px 10px;text-align:center;color:var(--text-2);font-size:14px}.message-list>.empty-state{margin:auto}
.chat-pane .form-error{margin:0 18px 10px}.recovery{display:flex;gap:8px;padding:0 18px 12px;flex-wrap:wrap}
.composer textarea{display:block;width:100%;min-height:72px;padding:2px 2px 14px;border:0;border-radius:0;background:transparent;box-shadow:none;resize:none;line-height:1.6;caret-color:var(--accent)}.composer textarea:focus,.composer textarea:focus-visible{outline:none;box-shadow:none}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}
.composer.is-dragging{background:var(--accent-soft);outline:2px dashed var(--accent);outline-offset:-6px}
.chat-image-add,.composer-bottom #chat-send{min-height:44px;padding:10px 14px;font-size:13px}.chat-image-add{background:var(--surface-2);color:var(--text-2);font-weight:600}.chat-image-add:hover:not(:disabled){background:var(--accent-soft);color:var(--accent-ink);box-shadow:none}.chat-image-add svg,.composer-bottom #chat-send svg{width:18px;height:18px}
.composer-meta{position:relative;padding:0 2px;color:var(--text-2);font-size:12px}.composer-help summary{display:flex;align-items:center;gap:3px;width:fit-content;min-height:44px;cursor:pointer;list-style:none;border-radius:6px}.composer-help summary::-webkit-details-marker{display:none}.composer-help summary:hover{color:var(--accent-ink)}.composer-help summary svg{width:14px;height:14px;transition:transform .16s}.composer-help[open] summary svg{transform:rotate(180deg)}.composer-help p{max-width:80ch;padding:0 0 10px;line-height:1.65}.composer-caption{position:absolute;top:13px;right:2px;line-height:1.5}
.chat-images{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.chat-image-item{display:flex;align-items:center;gap:9px;min-width:0;max-width:100%;padding:6px;border:1px solid var(--line);border-radius:11px;background:var(--surface-2)}.chat-image-preview{display:grid;place-items:center;flex:none;width:52px;height:52px;border-radius:7px;background:var(--line);overflow:hidden}.chat-image-preview img{width:100%;height:100%;object-fit:cover}.chat-image-details{display:flex;flex-direction:column;min-width:0;max-width:180px;font-size:12px}.chat-image-details strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-image-details span{line-height:1.35}.chat-image-failed{color:var(--error)}.chat-image-actions{display:flex;flex:none;gap:2px}.chat-image-actions .button{min-height:44px;padding:8px 9px;font-size:12px}
.message-images{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.message-images a{display:block;max-width:100%;border-radius:8px;overflow:hidden}.message-images img{display:block;width:120px;height:120px;max-width:100%;object-fit:cover}.message-image-missing{display:flex;align-items:center;min-height:44px;padding:8px 10px;border:1px solid var(--line-2);border-radius:8px;color:var(--text-2);font-size:12px}
.script-result{min-height:220px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.75;text-align:left}.script-result.empty-state{text-align:center;display:grid;place-items:center}
.simple-list{display:flex;flex-direction:column}.simple-list>p{padding:12px 0}.list-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--line)}.list-row:first-child{border-top:0}.list-row button{border:0;background:none;text-align:left;color:var(--accent-ink);font-weight:700;padding:0}.list-row small{color:var(--text-2);flex:0 0 auto}
.inline-form{display:flex;align-items:end;gap:12px;max-width:660px}.inline-form label{align-self:center}.inline-form input{flex:1;min-width:100px}.inline-form button{flex:0 0 auto}
#pack-error,#file-error,#billing-error{margin-top:14px}.pack-list,.product-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:20px}.pack-list>p,.product-list>p{grid-column:1/-1}.pack-card,.product-card{padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:16px}.pack-card h2,.product-card h2{margin-bottom:8px}.pack-card p,.product-card p{color:var(--text-2);font-size:13px}.pack-card .button,.product-card .button{margin-top:16px}.product-card .price{font-size:22px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums}
.upload-label{cursor:pointer}
.table-wrap{padding:0;overflow-x:auto}.file-table{width:100%;border-collapse:collapse;text-align:left;min-width:550px}.file-table th,.file-table td{padding:14px 17px;border-bottom:1px solid var(--line);font-size:13px}.file-table th{color:var(--text-2);font-weight:700;background:var(--surface-2)}.file-table tr:last-child td{border-bottom:0}.file-table td:first-child{font-weight:700;overflow-wrap:anywhere}.file-table td:last-child{white-space:nowrap}.file-table td button{border:0;background:none;color:var(--accent-ink);font-weight:700;padding:4px 6px}.file-table td button.danger{color:var(--error)}
.pending-label{display:inline-block;margin-left:8px;color:var(--accent-ink);font-size:11px;font-weight:700}.order-actions{display:inline-flex;align-items:center;gap:12px;white-space:nowrap}
.account-summary{display:flex;gap:16px;flex-wrap:wrap}.account-summary p{min-width:180px;font-size:13px;color:var(--text-2)}.account-summary strong{display:block;margin-top:5px;color:var(--text);font-size:19px;font-variant-numeric:tabular-nums}.block-title{margin:26px 0 0}.payment-panel{margin-top:20px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.payment-panel[hidden]{display:none}.payment-panel h2{margin:0}.payment-panel img{width:200px;height:200px;object-fit:contain;border:1px solid var(--line);background:#fff}.payment-panel img[hidden]{display:none}.payment-panel p{font-size:13px}
.renewal-note{margin-top:14px;padding:12px 15px;border-radius:10px;background:var(--accent-soft);color:var(--accent-ink);font-size:13px;font-weight:700}
.file-table td.empty-state{text-align:left}

/* 继承 V3 的浅底、靛蓝紫与系统字，以空间层次强化一期操作界面。 */
.login-main{position:relative;isolation:isolate;overflow:hidden;padding:48px 20px 86px}
.login-main::before,.login-main::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:-1}
.login-main::before{background-image:linear-gradient(rgba(79,70,229,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(79,70,229,.045) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse at center,#000 12%,transparent 76%)}
.login-main::after{background:radial-gradient(circle at 28% 42%,rgba(79,70,229,.075),transparent 34%),radial-gradient(circle at 74% 66%,rgba(124,58,237,.055),transparent 32%)}
.login-panel{position:relative;z-index:1;padding:38px 38px 40px;box-shadow:0 28px 62px -42px rgba(42,40,111,.35)}
.login-panel h1{font-size:28px;letter-spacing:-.025em}
.login-panel>.muted{line-height:1.65;text-wrap:balance}
.login-panel .code-row{gap:10px}
.login-panel .notice{line-height:1.55}

.side-nav{padding:22px 10px 16px;gap:4px}
.side-nav-group{display:block;padding:0 12px 7px;color:var(--text-2);font-size:11px;font-weight:700;letter-spacing:.06em}
.side-nav-group-spaced{margin:16px 7px 0;padding:18px 5px 7px;border-top:1px solid var(--line)}
.side-nav a{min-height:44px;transition:background-color .16s,color .16s}
.side-nav a svg{flex:0 0 auto}
.side-account{margin:0 10px 12px;padding:15px 14px;background:var(--surface-2);border:1px solid var(--line);border-radius:14px}
.side-account .small{margin-top:2px}
.side-actions{justify-content:space-between;align-items:center;margin-top:4px}
.main-inner{padding:32px 34px 24px}
.section-head{align-items:center;margin-bottom:26px}
.section-head h1{font-size:28px}
.section-head p{margin-top:7px;font-size:14px}
.panel{padding:24px}
.panel h2{letter-spacing:-.02em}
.two-column{gap:20px}

.chat-pane{position:relative;border-color:var(--line)}
.message-list{min-height:0;padding:28px max(24px,calc((100% - 1060px)/2));scrollbar-gutter:stable}
.chat-welcome{width:min(100%,720px);padding:32px 16px;color:var(--text);text-align:center}
.chat-welcome h2{font-size:28px;line-height:1.35;letter-spacing:-.025em;text-wrap:balance}
.chat-welcome p{max-width:32em;margin:10px auto 0;color:var(--text-2);font-size:14px;line-height:1.7;text-wrap:balance}
.message{gap:8px;max-width:min(100%,800px)}
.message-user{max-width:min(80%,680px)}
.message-body{padding:13px 16px;line-height:1.75;font-size:16px}
.markdown-body{white-space:normal;min-width:0}
.markdown-body>:first-child{margin-top:0}.markdown-body>:last-child{margin-bottom:0}
.markdown-body p{margin:0 0 14px}
.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin:24px 0 10px;font-weight:700;line-height:1.45;letter-spacing:0}
.markdown-body h2{font-size:22px}.markdown-body h3{font-size:18px}.markdown-body h4,.markdown-body h5,.markdown-body h6{font-size:16px}
.markdown-body strong{font-weight:700;color:inherit}
.markdown-body ul,.markdown-body ol{margin:0 0 14px;padding-left:1.5em}
.markdown-body li{margin:6px 0;padding-left:3px}.markdown-body li>p{margin-bottom:6px}
.markdown-body li>ul,.markdown-body li>ol{margin:6px 0}
.markdown-body blockquote{margin:16px 0;padding-left:14px;border-left:1px solid var(--line-2);color:var(--text-2)}
.markdown-body a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
.markdown-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.875em;background:var(--accent-soft);padding:2px 4px;border-radius:4px}
.markdown-body pre{max-width:100%;margin:16px 0;padding:14px;overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;white-space:pre;line-height:1.6}
.markdown-body pre code{padding:0;border-radius:0;background:transparent}
.markdown-body hr{margin:22px 0;border:0;border-top:1px solid var(--line-2)}
.message-table{max-width:100%;overflow-x:auto;margin:16px 0}
.markdown-body table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.6}
.markdown-body th,.markdown-body td{min-width:100px;padding:10px 12px;border:1px solid var(--line-2);text-align:left;vertical-align:top}
.markdown-body th{background:var(--surface);font-weight:700}
.composer-area{flex-shrink:0;align-self:center;width:calc(100% - 48px);max-width:1060px;margin:0 24px 8px}
.composer{width:100%;padding:16px 16px 12px;border:1px solid var(--line-2);border-radius:16px;background:var(--surface);transition:border-color .16s}
.chat-pane>.form-error,.chat-pane>.recovery{flex-shrink:0}
.composer:focus-within{border-color:var(--accent)}

#script-form{gap:12px}
#script-form h2{font-size:18px;margin-bottom:6px}
#script-form input,#script-form select{min-height:44px}
#script-form textarea{min-height:112px}
#script-form>.button{min-height:44px;margin-top:4px}
.form-grid{gap:14px}
#view-scripts .panel-head{padding-bottom:15px;border-bottom:1px solid var(--line)}
.script-result{min-height:160px;padding:24px 0 8px;line-height:1.8;max-width:78ch}
.script-result.empty-state{max-width:none;text-wrap:balance}
#script-list .list-row{min-height:48px}
.inline-form{max-width:760px;min-height:88px;align-items:center}
.pack-list{margin-top:24px}

.storage-panel{display:flex;align-items:center;gap:24px;margin-bottom:20px;padding:0 0 20px;border-bottom:1px solid var(--line)}
.storage-panel h2{margin:0;font-size:13px;font-weight:500;color:var(--text-2)}
.storage-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.storage-head p{font-size:13px;font-variant-numeric:tabular-nums;text-align:right}
.file-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.file-tools h2{font-size:18px;letter-spacing:-.02em}
.file-tools .button{min-height:42px}
.file-table th,.file-table td{padding:16px 18px}
.file-table td.empty-state{padding:22px 18px}
.panel.table-wrap{padding:0}

.account-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding:26px 20px}
.account-summary p{min-width:0;padding:2px 20px;border-right:1px solid var(--line);font-size:13px}
.account-summary p:last-child{border-right:0}
.account-summary strong{margin-top:9px;font-size:21px;line-height:1.35;overflow-wrap:anywhere}
.account-summary p:first-child strong{font-size:24px;color:var(--accent-ink)}
.account-summary p:nth-child(2) strong{font-size:18px}
.block-title{margin:32px 0 12px;font-size:18px}
.product-list{margin-top:0}
.product-list>p{line-height:1.65}
.product-card{padding:23px}
.product-card .price{margin:9px 0 2px;font-size:25px}
#view-billing .workspace-section{margin-top:24px}
#view-billing .billing-overview{margin-top:0}
#view-billing .account-summary{padding:22px 0;grid-template-columns:repeat(4,minmax(0,1fr));row-gap:0}
#view-billing .account-summary p{padding:2px 20px}
#view-billing .account-summary p:first-child{padding-left:0}
#view-billing .account-summary p:last-child{padding-right:0}
#view-billing .subscription-period{margin:0;padding:20px 0;border-top:1px solid var(--line);background:transparent;border-radius:0}
#view-billing .renewal-note{margin:0;padding:20px 0 0;border-top:1px solid var(--line);background:transparent;border-radius:0;line-height:1.7}
#view-billing #product-list{min-height:104px;margin-top:0;padding-top:20px;gap:20px 24px;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}
#view-billing .product-card{min-width:0;padding:20px 0 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
#view-billing .product-card h2{font-size:18px;margin-bottom:0}
#view-billing .product-card p:last-of-type{margin-bottom:8px}
#view-billing .product-card .button{margin-top:auto;max-width:100%;white-space:normal}
#view-billing #order-list,#view-billing #token-ledger{min-height:104px;padding:0;background:transparent;border:0;border-radius:0}
#view-billing #product-list>.empty-state,#view-billing #product-list>.muted:not(.small),#view-billing #order-list>p,#view-billing #token-ledger>p{display:grid;place-items:center;min-height:104px;padding:24px 12px;text-align:center;line-height:1.7}
#view-billing #product-list>.muted:not(.small),#view-billing #product-list>.empty-state{margin-top:-20px}
#view-billing #product-list>button,#view-billing #order-list>button,#view-billing #token-ledger>button{grid-column:1/-1;justify-self:center;align-self:center;width:auto;min-width:140px;margin:0 auto 16px;padding-inline:18px}
#view-billing .list-row{padding:18px 0;overflow-wrap:anywhere}

/* 补齐原型中的账户、知识包详情和站内往返入口。 */
.text-link{display:inline-flex;align-items:center;gap:8px;min-height:40px;color:var(--accent-ink);font-size:14px;font-weight:700;text-underline-offset:4px}
.text-link:hover{text-decoration:underline}
.side-utility{display:grid;grid-template-columns:1fr 1fr;gap:0 12px;padding:4px 24px 8px;font-size:13px;color:var(--text-2)}
.side-utility a{display:flex;align-items:center;min-height:44px}
.side-utility .side-about{font-size:12px}
.side-utility a:hover{color:var(--accent-ink)}
.side-account .account-name{display:block}
.prompt-starters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:28px auto 0}
.prompt-starters .button{min-height:64px;padding:12px 16px;white-space:normal;font-size:14px;font-weight:500;text-align:left;line-height:1.6}
.redeem-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px;align-items:center;margin-top:28px}
#redeem-form{gap:12px}
#redeem-form h2{margin-bottom:0}
.redeem-guide{padding:8px 0}
.redeem-guide h2{margin-bottom:10px}
.redeem-guide p{max-width:60ch;color:var(--text-2);font-size:14px;line-height:1.75}
.redeem-guide .text-link{margin-top:8px}
.pack-list{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));margin-top:14px}
#pack-list>.empty-state,#pack-list>.muted,#pack-available-list>.empty-state,#pack-available-list>.muted{grid-column:1/-1;min-height:104px;margin:0;padding:24px 20px;background:var(--surface);border:1px solid var(--line);border-radius:16px;text-align:center;align-content:center;line-height:1.7}
.pack-card{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.pack-card h2{margin-bottom:0;overflow-wrap:anywhere}
.pack-card .button{margin-top:auto}
.pack-status{display:inline-block;padding:4px 8px;border-radius:6px;background:var(--accent-soft);color:var(--accent-ink);font-size:12px;font-weight:700}
.pack-excerpt{line-height:1.75;overflow-wrap:anywhere}
.pack-detail{margin-top:26px}
.pack-detail h2{margin:14px 0;font-size:26px;overflow-wrap:anywhere}
.pack-description{max-width:72ch;white-space:pre-wrap;overflow-wrap:anywhere;margin:24px 0;line-height:1.8}
.pack-detail>.muted{max-width:72ch;margin-bottom:20px;font-size:14px}
.file-actions{display:flex;align-items:center;gap:12px;min-width:0}
.file-actions input{width:280px;min-width:0}
.file-actions .button{flex-shrink:0}
.profile-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:24px;align-items:start}
.profile-identity{display:flex;align-items:center;gap:16px;margin-bottom:30px}
.profile-identity>div{min-width:0}
.profile-identity h2{margin-bottom:5px;font-size:22px;overflow-wrap:anywhere}
.profile-avatar{display:grid;place-items:center;width:56px;height:56px;flex:0 0 auto;border-radius:16px;background:var(--accent-soft);color:var(--accent-ink);font-size:24px;font-weight:700}
#profile-form{max-width:660px;gap:10px}
#profile-submit{align-self:flex-start;min-width:140px;margin-top:8px}
#profile-error,#profile-status,#profile-retry{margin-top:16px}
.profile-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:30px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.profile-facts dt{margin-bottom:6px;color:var(--text-2);font-size:13px}
.profile-facts dd{margin:0;font-size:14px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.profile-side{gap:24px}
.profile-side .profile-facts{grid-template-columns:1fr;margin-top:0;padding-top:0;border-top:0}
.profile-side .panel>.small{margin-top:22px;line-height:1.75}
.profile-help{padding:4px 8px}
.profile-help p{max-width:60ch;margin:10px 0;color:var(--text-2);font-size:14px;line-height:1.8}
.order-description{display:flex;flex-direction:column;gap:4px;min-width:0;font-size:14px;overflow-wrap:anywhere}
.order-description strong{font-weight:700}
.order-description>span,.order-description>small{color:var(--text-2);font-size:12px}
#payment-details{overflow-wrap:anywhere}

/* 工作台按任务分层，官网与登录页继续使用原有视觉规则。 */
.app-page .button,.app-page .text-link{min-height:44px}
.app-page input,.app-page select{min-height:44px;caret-color:var(--accent)}
.app-page textarea{caret-color:var(--accent)}
.app-page :is(.main-inner,.message-list,.session-list){scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.side-nav .side-nav-account{margin-top:auto;padding-top:20px}
.side-actions button{min-height:44px}
.workspace-label{display:flex;gap:12px;color:var(--text-2);font-size:13px}
.quota-chip{display:inline-flex;align-items:center;min-height:44px}
.quota-chip:hover{border-color:var(--accent);color:var(--accent-ink)}
.chat-heading{margin-bottom:16px}
.chat-heading h1{font-size:20px}
.chat-heading p{font-size:13px;margin-top:4px}
.chat-welcome-identity{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:24px;color:var(--text-2);font-size:14px;font-weight:600}
.chat-welcome-identity img,.chat-welcome-identity .brand-mark{width:52px;height:52px;flex-shrink:0;border-radius:16px;object-fit:cover}
.chat-welcome-identity .brand-mark svg{width:28px;height:28px}
.chat-messages{position:relative;display:flex;flex-direction:column;flex:1;min-height:0}
.chat-latest{position:absolute;right:max(24px,calc((100% - 1060px)/2));bottom:12px;z-index:1;box-shadow:0 6px 20px -10px rgba(14,23,41,.25)}
.message-copy{align-self:flex-start;min-height:44px;padding:8px 0;border:0;background:transparent;color:var(--text-2);font-size:12px;text-align:left}
.message-copy:hover{color:var(--accent-ink)}
.availability-note{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 16px;padding:12px 16px;background:var(--surface-2);border-radius:10px;color:var(--text-2);font-size:13px;line-height:1.65}
.availability-note .text-link{font-size:13px;flex-shrink:0}
.chat-pane>.availability-note,.chat-pane>.form-error,.chat-pane>.recovery{align-self:center;width:calc(100% - 48px);max-width:1060px;margin:0 24px 12px;flex-shrink:0}
.chat-pane>.recovery{padding:0}
.script-output{gap:24px;min-width:0}
.script-options{padding-block:12px;border-block:1px solid var(--line);margin-block:8px}
.script-options summary,.script-history summary,.profile-details summary{min-height:44px;align-content:center;cursor:pointer;font-size:14px;font-weight:600;color:var(--text)}
.script-options summary>span{display:block;font-weight:400;padding-left:17px;margin-top:2px}
.script-options .form-grid{margin-top:20px}
.script-history summary{font-size:18px}
.script-history[open] summary{padding-bottom:16px;border-bottom:1px solid var(--line)}
.script-history summary>span{margin-left:8px}
.script-history .simple-list{padding-top:8px}
.script-history .list-row button{min-height:44px}
#script-result-panel.has-result .script-result{min-height:280px}
#pack-catalog>.block-title{margin-top:0}
.subscription-period{display:grid;gap:8px;margin-top:16px;padding:16px 20px;background:var(--surface-2);border-radius:10px;font-size:14px;line-height:1.7;color:var(--text-2);font-variant-numeric:tabular-nums}
.profile-details{margin-top:28px;padding-top:12px;border-top:1px solid var(--line)}
.profile-details .profile-facts{margin-top:12px;padding-top:12px;border-top:0}

@media(max-width:900px){
  .two-column{grid-template-columns:1fr}
  .profile-layout,.redeem-layout{grid-template-columns:1fr;gap:20px}
  #view-chat{min-height:520px}
  .chat-pane{flex:1;min-height:0}
  .main-inner{padding:24px}
  .prompt-starters{grid-template-columns:1fr;max-width:380px;gap:8px;margin-top:20px}
  .prompt-starters .button{min-height:44px;text-align:center}
  .account-summary{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:20px}
  .account-summary p:nth-child(2){border-right:0}
  .account-summary p:nth-child(3),.account-summary p:nth-child(4){padding-top:20px;border-top:1px solid var(--line)}
}
@media(max-width:700px){
  :root{--shell-gutter:16px}
  .site-header-inner{gap:12px}
  .header-action{font-size:12px;padding-inline:10px}
  .sidebar{position:fixed;top:0;bottom:0;left:0;transform:translateX(-100%);transition:transform .2s;box-shadow:8px 0 30px -20px rgba(14,23,41,.35)}
  .sidebar.is-open{transform:translateX(0)}
  .history-popover{left:12px;top:164px;width:min(320px,calc(100vw - 24px));max-width:none;max-height:calc(100dvh - 188px)}
  .nav-scrim:not([hidden]){display:block;position:fixed;inset:0;background:rgba(10,17,32,.36);z-index:25}
  .nav-toggle{display:flex}
  .workspace-label{display:none}
  .main-inner{padding:20px 16px}
  .section-head{align-items:flex-start;margin-bottom:20px}
  .section-head .button{flex:0 0 auto}
  .section-head h1{font-size:24px}
  .side-nav{padding-top:18px}
  .side-account{margin-bottom:16px}
  .message-list{padding:20px 16px}
  .message{max-width:100%}
  .chat-welcome{padding:20px 0}
  .chat-welcome h2{font-size:21px}
  .composer-area{width:calc(100% - 24px);margin:0 12px 0}
  .composer{padding:14px 12px 10px}
  .composer-shortcut{display:none}
  .chat-pane>.availability-note,.chat-pane>.form-error,.chat-pane>.recovery{width:calc(100% - 24px);margin:0 12px 12px}
  .chat-heading h1{font-size:18px}
  .chat-heading p{max-width:28ch;font-size:12px}
  .chat-welcome-identity{margin-bottom:16px}
  .chat-latest{right:12px;font-size:12px}
  .composer textarea{min-height:72px;font-size:16px}
  .chat-image-item{width:100%}.chat-image-details{flex:1;max-width:none}.chat-image-actions .button{padding-inline:7px}.message-images img{width:96px;height:96px}
  .panel{padding:18px}
  .form-grid{grid-template-columns:1fr 1fr}
  .inline-form{flex-wrap:wrap}
  .inline-form label{width:100%}
  .inline-form input{flex:1}
  .inline-form button{min-width:90px}
  .quota-chip{max-width:48vw;overflow:hidden;text-overflow:ellipsis}
  .storage-panel{padding:0 0 16px;gap:16px;justify-content:space-between}
  .account-summary{padding:20px 14px}
  .account-summary p{padding-left:10px;padding-right:10px}
  .account-summary strong{font-size:18px}
  .account-summary p:first-child strong{font-size:22px}
  .account-summary p:nth-child(2) strong{font-size:16px}
  .file-table th,.file-table td{padding:14px 17px}
  .file-table td.empty-state{padding:22px 17px}
  .file-table{min-width:0}
  .file-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .file-table tbody{display:block}
  .file-table .file-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;padding:16px;border-bottom:1px solid var(--line)}
  .file-table .file-row:last-child{border-bottom:0}
  .file-table .file-row td{display:block;padding:0;border:0;white-space:normal;min-width:0}
  .file-table .file-name{grid-column:1/-1;margin-bottom:8px}
  .file-table .file-size,.file-table .file-created{color:var(--text-2);font-size:12px}
  .file-table .file-created{text-align:right}
  .file-table .file-actions-cell{grid-column:1/-1;margin-top:8px}
  .file-table .file-actions-cell button{min-height:44px;padding:8px 12px;margin-right:8px;border:1px solid var(--line);border-radius:8px}
  .section-head>.text-link{flex-shrink:0;font-size:12px}
  .file-tools{align-items:flex-start;flex-direction:column}
  .file-actions{width:100%}
  .file-actions input{width:auto;flex:1}
  .profile-facts{grid-template-columns:1fr}
  .profile-identity{align-items:flex-start}
  .profile-identity h2{font-size:19px}
  .pack-detail h2{font-size:22px}
  #order-list .list-row{align-items:flex-start;flex-direction:column;gap:10px}
}
@media(max-width:430px){
  .login-main{padding:35px 20px 65px}
  .login-panel{padding:29px 23px 31px}
  .login-panel h1{font-size:25px}
  .login-header .header-home-link{display:none}
  .quota-chip{min-width:0;white-space:nowrap}
  .code-row{flex-wrap:wrap}
  .code-row button{width:100%}
  .form-grid{grid-template-columns:1fr}
  .section-head h1{font-size:22px}
  .storage-head{align-items:flex-start;flex-direction:column;gap:3px}
  .storage-head p{text-align:left}
  .file-tools h2{font-size:16px}
  .file-tools .button{min-height:44px}
  .account-summary{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:0}
  .account-summary p:nth-child(3),.account-summary p:nth-child(4){margin-top:17px}
  .account-summary strong{font-size:17px}
  .account-summary p:first-child strong{font-size:22px}
  .account-summary p:nth-child(2) strong{font-size:16px}
}
@media(max-width:360px){
  .nav-toggle{flex:0 0 44px}
  .quota-chip{max-width:none;padding:7px 9px;font-size:11px}
  .account-summary{grid-template-columns:1fr}
  .account-summary p{padding:12px 8px;border-right:0;border-top:1px solid var(--line)}
  .account-summary p:first-child{border-top:0}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.button:active{translate:none}}