/* Product-facing visual layer: quiet scientific typography, accessible contrast, and clear boundaries. */
:root{--ink:#142a31;--muted:#60737a;--line:#dce6e8;--paper:#fff;--canvas:#f6f8f7;--brand:#165e67;--brand-dark:#104952;--accent:#20a58d;--soft:#e7f3f0;--warm:#d48745;--radius:14px;--shadow:0 8px 28px rgba(18,48,55,.055)}
body{background-color:var(--canvas);background-image:url('../img/property-field-pattern.svg?v=3');background-repeat:repeat;background-size:640px 640px;color:var(--ink);font-size:15.5px;line-height:1.7}
.container{width:min(1240px,calc(100% - 56px))}
.topbar{height:72px;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom-color:#e5ebec}
.topbar-inner{gap:32px}.brand{font-size:15px}.brand-mark{width:36px;height:36px;border-radius:11px;background:#143d45}
.nav-links{gap:25px;font-size:13px}.top-actions{gap:10px}.nav-links a[aria-current=page]{color:var(--brand);position:relative}.nav-links a[aria-current=page]::after{position:absolute;content:"";height:2px;bottom:-25px;left:0;right:0;background:var(--accent);border-radius:2px}
.btn{border-radius:999px;min-height:44px;padding:10px 18px}.btn-primary{background:#143d45;border-color:#143d45}.btn-primary:hover{background:#205660;border-color:#205660}.btn-accent{background:#b8f1df;border-color:#b8f1df;color:#153931}.btn-accent:hover{background:#a6e9d4}
.hero{padding:78px 0 68px;background:linear-gradient(118deg,#f7fbf9 0%,#edf5f3 58%,#eef3f5 100%)}.hero::after{opacity:.075;width:min(54vw,660px);right:-30px;top:18px}.hero-content{max-width:none}.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(380px,.98fr);align-items:center;gap:48px}.hero-copy{max-width:630px;position:relative;z-index:2}.hero h1{font-size:clamp(43px,5vw,62px);line-height:1.1;letter-spacing:-.052em;margin:14px 0 20px;max-width:680px}.hero .lead{font-size:17px;line-height:1.75;max-width:600px}.eyebrow{font-size:11px;letter-spacing:.13em;color:#31786f}.hero-actions{margin-top:25px}.proof-row{margin-top:24px;gap:13px}.proof-row span{border:1px solid rgba(31,93,99,.14);background:rgba(255,255,255,.65);border-radius:999px;padding:6px 11px;font-size:12px;color:#526970}.proof-row span::before{content:none}
.hero-visual{position:relative;min-height:390px;border:1px solid rgba(191,211,211,.72);border-radius:20px;background:rgba(255,255,255,.76);padding:17px;box-shadow:0 20px 60px rgba(22,69,73,.08);overflow:hidden}.hero-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 5%,rgba(44,167,147,.12),transparent 38%);pointer-events:none}.visual-top{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1;padding:0 2px 12px;border-bottom:1px solid #e6eeee;font-size:12px;color:#53696e}.visual-dots{display:flex;gap:5px}.visual-dots i{height:7px;width:7px;border-radius:50%;background:#ccd9d9}.visual-dots i:first-child{background:#55ae93}.visual-board{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:11px}.visual-tile{min-height:137px;border:1px solid #e6edef;border-radius:12px;background:#fff;overflow:hidden;padding:7px}.visual-tile img{display:block;width:100%;height:95px;object-fit:cover;object-position:center;border-radius:7px}.visual-tile span{display:block;margin:6px 3px 0;font-size:11px;color:#526a70}.visual-tile em{font-style:normal;color:#21866f;font-size:10px;margin-left:5px}
.section{padding:82px 0}.section-head{max-width:760px;margin-bottom:32px}.section-head h2{font-size:clamp(27px,3vw,34px);line-height:1.25;letter-spacing:-.035em}.section-head p{font-size:15px;line-height:1.7}.section-tint{background:#edf3f2}.card{box-shadow:none;border-color:#e1e9e9;border-radius:14px}.feature-card{padding:22px}.feature-card h3{margin:14px 0 7px;font-size:16px}.feature-icon{border-radius:11px;background:#e6f4ef;color:#176b60}.dimension-card{border-radius:14px;padding:19px;box-shadow:none}.dimension-card:hover,.industry-card:hover,.diagram-card:hover{border-color:#bdd5d3;box-shadow:0 8px 28px rgba(23,70,74,.06)}
.diagram-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.diagram-card{border-radius:14px}.diagram-card img{height:auto;aspect-ratio:760/420;object-fit:cover}.diagram-card figcaption{padding:14px 16px 16px}.figure-badges{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}.figure-badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 8px;background:#e6f4ef;color:#176b60;font-size:10px;font-weight:700}.figure-badge.concept{background:#fff3e7;color:#92602f}.figure-badge.table{background:#edf1f5;color:#506879}.figure-note{line-height:1.65}
.industry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.industry-card{display:flex;flex-direction:column;min-height:190px;padding:19px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:border-color .16s,box-shadow .16s}.industry-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:#e7f3f0;color:#1b766e;font-size:16px;font-weight:800}.industry-card h3{font-size:15px;margin:13px 0 5px}.industry-card p{font-size:12.5px;color:var(--muted);line-height:1.6;margin:0}.industry-card small{margin-top:auto;padding-top:11px;color:#32796e;font-size:10px;font-weight:700;letter-spacing:.04em}.industry-card.limits small{color:#8b6338}
.scope-panel{border:1px solid #e9d9c6;background:#fffaf4;border-radius:14px;padding:20px 22px;color:#654e38;line-height:1.7}.scope-panel strong{color:#754c27}.scope-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.scope-list span{padding:4px 9px;border:1px solid #eddcc8;border-radius:999px;background:#fff;font-size:12px}
.capability-hero{padding:64px 0 50px;background:linear-gradient(118deg,#f7fbf9,#edf4f3)}.capability-hero::after{opacity:.06}.capability-stats strong{font-size:30px;color:#165e67}.capability-stats{gap:34px}.tool-group{border-radius:12px}.tool-group summary{padding:15px 18px}.tool-table th{background:#f4f8f7}.tool-table code{color:#23545b}.tool-status.registered{color:#1c705f;background:#e9f6f0}.tool-status.server{color:#85591f;background:#fff3e2}.catalog-note{margin-top:18px}.reference-card{border-radius:13px;transition:border-color .16s}.reference-card:hover{border-color:#9fcbc2}
.footer{padding:40px 0;background:#fff}.footer-inner{align-items:center}.project-panel{border-radius:16px;padding:30px;background:#eef5f3}.local-mode-pill{border-color:#e3eae8;background:#f7faf8;color:#55736e}.local-mode-pill::before{background:#56a48b}
.industry-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}.industry-nav a{font-size:12px;color:#4e676d;border:1px solid var(--line);background:#fff;padding:7px 11px;border-radius:999px}.industry-nav a:hover{border-color:#86b8ae;color:var(--brand)}.tool-catalog-intro{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:17px}.tool-catalog-intro p{max-width:660px;margin:0;color:var(--muted);font-size:14px}.tool-catalog-intro .status-legend{display:flex;gap:7px;white-space:nowrap}
.login-dialog{border:1px solid #d9e4e4;border-radius:18px;padding:28px;max-width:480px;width:calc(100vw - 32px);box-shadow:0 25px 80px rgba(10,35,42,.24)}.login-dialog::backdrop{background:rgba(18,37,43,.48)}.login-dialog h2{font-size:22px;margin:8px 0}.login-dialog p{font-size:14px;color:var(--muted);line-height:1.7}.login-dialog-head{display:flex;align-items:center;justify-content:space-between}.login-dialog-close{border:0;background:none;font-size:24px;color:var(--muted)}.login-qr-placeholder{display:grid;place-items:center;min-height:150px;margin:18px 0;padding:18px;border:1px dashed #b7cac9;border-radius:13px;background:#f7faf9;text-align:center;color:#5e7477;font-size:13px}
@media(max-width:1060px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(330px,.9fr);gap:30px}.industry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.diagram-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nav-links{gap:16px}}
@media(max-width:760px){.container{width:calc(100% - 32px)}.hero{padding:52px 0 42px}.hero-grid{grid-template-columns:1fr;gap:28px}.hero-visual{min-height:300px}.hero h1{font-size:clamp(38px,10vw,52px)}.hero .lead{font-size:16px}.visual-tile{min-height:118px}.visual-tile img{height:77px}.section{padding:56px 0}.section-head{margin-bottom:23px}.diagram-grid{grid-template-columns:1fr}.industry-grid{grid-template-columns:1fr 1fr}.industry-card{min-height:186px;padding:15px}.tool-catalog-intro{display:block}.tool-catalog-intro .status-legend{margin-top:12px}.project-panel{grid-template-columns:1fr}.nav-links a[aria-current=page]::after{display:none}}
@media(max-width:420px){.industry-grid{grid-template-columns:1fr}.hero-visual{padding:12px}.proof-row{gap:7px}.proof-row span{font-size:11px}}
@media(prefers-reduced-motion:reduce){.industry-card,.diagram-card,.reference-card{transition:none}}


/* Twelve code-grounded domain cards inspired by the user's field-map reference. */
.domain-explorer-section{position:relative;overflow:hidden;background:radial-gradient(ellipse at 83% 7%,rgba(41,157,183,.19),transparent 34%),linear-gradient(135deg,#0b2443 0%,#102e50 56%,#123d58 100%);color:#edf7f7}
.domain-explorer-section .section-head h2{color:#f4fbfb}.domain-explorer-section .section-head p{color:#bed0d7}.domain-explorer-section .eyebrow{color:#70dbd0}
.domain-explorer-section .industry-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.visual-domain-card{min-height:330px;padding:13px 15px 16px;border-color:rgba(255,255,255,.76);background:#fff;color:var(--ink);overflow:hidden;text-decoration:none;box-shadow:0 12px 30px rgba(1,14,35,.13);transition:border-color .16s,box-shadow .16s,transform .16s}
.visual-domain-card:hover,.visual-domain-card:focus-visible{transform:translateY(-2px);border-color:#67cfc8;box-shadow:0 15px 35px rgba(1,14,35,.23);outline:2px solid #75ded6;outline-offset:2px}
.domain-illustration{display:block;width:100%;height:148px;object-fit:contain;border-radius:10px;background:#f2f7f8}
.visual-domain-card h3{font-size:16px;margin:13px 2px 5px}.visual-domain-card p{font-size:13px;line-height:1.65;margin:0 2px 9px;color:#5c7077}.visual-domain-card small{padding-top:4px;display:flex;align-items:center;justify-content:space-between;gap:8px;color:#23796f;font-size:10px;letter-spacing:0}
.domain-footnote{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:20px;color:#d0e0e1;font-size:11px}.domain-footnote span{border:1px solid rgba(205,231,230,.2);background:rgba(9,29,52,.22);border-radius:999px;padding:5px 9px}.domain-footnote a{margin-left:auto;color:#8de3d9;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.architecture-figure{margin:0;padding:10px 12px 0;overflow:hidden}.architecture-figure img{display:block;width:100%;height:auto;aspect-ratio:1120/480;object-fit:contain;border-radius:12px;background:#f0f7f5}.architecture-figure figcaption{padding:10px 7px 13px;color:var(--muted);font-size:12px}
.login-dialog{max-height:calc(100vh - 28px);overflow:auto}.login-status-card{display:flex;align-items:center;gap:10px;min-height:54px;padding:12px 14px;margin:16px 0 12px;border:1px solid #dce9e6;border-radius:12px;background:#f2f8f6;color:#395d60;font-size:13px}.login-status-card strong{margin-left:auto;color:#173e46}.login-status-dot{width:9px;height:9px;flex:0 0 9px;border-radius:50%;background:#89a29f}.login-status-dot.ready{background:#269a7e}.login-status-dot.pending{background:#d28b41}.login-dialog-steps{padding:2px 0 4px;color:#526a70;font-size:13px;line-height:1.7}.login-dialog-steps ol{padding-left:20px}.login-dialog-steps li{padding:2px 0}.login-dialog-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.login-local-link{display:inline-block;margin-top:10px;color:#24766d;font-size:12px;text-decoration:underline;text-underline-offset:2px}.login-debug-form{margin-top:18px;padding-top:16px;border-top:1px dashed #c6d8d5}.login-debug-form label{display:block;font-size:12px;color:#4c676b;margin-bottom:8px;font-weight:600}.login-debug-row{display:flex;gap:8px;align-items:stretch}.login-debug-row input{flex:1;min-width:0;padding:9px 12px;border:1px solid #c9dad7;border-radius:9px;font-size:13px;background:#fbfdfc;color:#173e46}.login-debug-row input:focus{outline:none;border-color:#269a7e;box-shadow:0 0 0 3px rgba(38,154,126,.14)}.login-debug-row .btn{white-space:nowrap;background:#24766d;color:#fff}.login-debug-note{font-size:12px;color:#b0552f;margin:8px 0 0}
@media(max-width:1060px){.domain-explorer-section .industry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-domain-card{min-height:310px}.domain-illustration{height:136px}}
@media(max-width:760px){.domain-explorer-section .industry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-domain-card{min-height:300px;padding:10px}.domain-illustration{height:125px}.domain-footnote a{margin-left:0}.architecture-figure{padding:7px}}
@media(max-width:560px){.domain-explorer-section .industry-grid{grid-template-columns:1fr}.visual-domain-card{min-height:0}.domain-illustration{height:158px}.login-dialog{padding:20px}}

/* ===== P0/P1/P2 网站改造补丁：真实登录态 / 暗色模式 / 结果操作区 / 常用工质 / 灯箱 / 账户页 ===== */
/* 登录按钮头像化 */
.desktop-login,.mobile-menu .btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px}
.login-avatar{width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:linear-gradient(135deg,#2a9c86,#176b7a);color:#fff;font-size:13px;font-weight:700;display:inline-grid;place-items:center;overflow:hidden}
.login-label{line-height:1.2}
@media(max-width:760px){.login-label{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
/* 主题切换按钮 */
.theme-toggle{min-height:34px;padding:5px 11px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);font-size:12px;cursor:pointer}
.theme-toggle:hover{border-color:var(--brand)}
/* 消息操作区：可换行、按钮紧凑、反馈高亮 */
.message-actions{flex-wrap:wrap;gap:4px}
.message-actions .btn{min-height:28px;padding:2px 8px;font-size:11.5px}
.feedback-btn.active{background:#dff1ea;border-color:#2a9c86;color:#176b60;font-weight:700}
[data-theme=dark] .feedback-btn.active{background:#16332b;border-color:#38c0a5;color:#7ce0c9}
/* 常用工质快捷入口 */
.common-fluid-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:4px 0 14px}
.common-fluid-label{font-size:12px;color:var(--muted);flex:0 0 auto}
.common-fluid-chips{display:flex;flex-wrap:wrap;gap:7px}
.common-chip{min-height:30px;padding:3px 11px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:#3d5a60;font-size:12px;cursor:pointer;transition:border-color .15s,color .15s}
.common-chip:hover{border-color:#86b8ae;color:var(--brand)}
/* 首页提问框 */
.hero-ask{display:flex;gap:10px;max-width:600px;margin-top:22px}
.hero-ask input{flex:1;min-width:0;min-height:46px;padding:10px 16px;border:1px solid #c9dad7;border-radius:999px;font-size:14.5px;background:#fff;color:#173e46}
.hero-ask input:focus{outline:none;border-color:#269a7e;box-shadow:0 0 0 3px rgba(38,154,126,.14)}
.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}
@media(max-width:560px){.hero-ask{flex-direction:column}.hero-ask .btn{width:100%}}
/* 会话导出按钮组 */
.history-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.history-head-actions{display:flex;gap:8px}
.history-head-actions .btn{min-height:34px;padding:4px 11px;font-size:12.5px}
/* 图片灯箱 */
.image-lightbox{position:fixed;inset:0;z-index:1200;display:grid;place-items:center}
.lightbox-backdrop{position:absolute;inset:0;background:rgba(8,20,24,.72);backdrop-filter:blur(3px)}
.lightbox-panel{position:relative;max-width:min(92vw,960px);max-height:92vh;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:10px;box-shadow:0 24px 80px rgba(0,0,0,.4)}
.lightbox-panel img{max-width:100%;max-height:74vh;object-fit:contain;border-radius:10px;display:block;margin:0 auto;background:#fff}
.lightbox-panel figcaption{color:var(--muted);font-size:12.5px;text-align:center}
.lightbox-actions{display:flex;justify-content:center;gap:10px}
.lightbox-actions .btn{min-height:36px;padding:5px 14px;font-size:13px}
/* 账户与额度页 */
.account-login-tip{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 16px}
.profile-summary{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.avatar-placeholder{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#2a9c86,#176b7a);color:#fff;font-size:24px;font-weight:700;display:grid;place-items:center;flex:0 0 54px}
.profile-name{display:flex;flex-direction:column;gap:2px;min-width:0}
.profile-name strong{font-size:17px}
.profile-balance{display:flex;flex-direction:column;gap:2px;margin-left:auto}
.profile-balance strong{font-size:20px;color:var(--brand)}
.stat-card{padding:16px 18px;display:flex;flex-direction:column;gap:3px}
.stat-card strong{font-size:22px;color:var(--ink)}
.panel-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.panel-heading h2{font-size:16px;margin:0}
.table-scroll{overflow:auto}
.account-table{width:100%;border-collapse:collapse;font-size:13px;table-layout:auto}
.account-table th,.account-table td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.account-table th{background:var(--soft);color:var(--brand-dark);font-weight:700}
.account-table tbody tr:hover{background:var(--soft)}
.terms-card h3{margin:18px 0 4px;font-size:15px}
.terms-card p{margin:0 0 10px;font-size:14px;line-height:1.85}
/* ===== 暗色模式（深色面板为全局覆盖） ===== */
[data-theme=dark]{--ink:#dce8e6;--muted:#8ba6a3;--line:#2b4140;--paper:#13211f;--canvas:#0e1b1a;--brand:#3fd0b5;--brand-dark:#2aa892;--accent:#38c0a5;--soft:#173229;--warm:#d9a05f;--shadow:0 8px 28px rgba(0,0,0,.35)}
[data-theme=dark] body{background:var(--canvas);color:var(--ink)}
[data-theme=dark] .topbar{background:rgba(14,27,26,.92);border-bottom-color:var(--line)}
[data-theme=dark] .brand-mark{background:#0f3530}
[data-theme=dark] .nav-links a{color:#b8ccc8}
[data-theme=dark] .card,[data-theme=dark] .visual-tile,[data-theme=dark] .industry-card,[data-theme=dark] .diagram-card,[data-theme=dark] .reference-card,[data-theme=dark] .project-panel,[data-theme=dark] .prompt-card,[data-theme=dark] .result-card,[data-theme=dark] .message-agent,[data-theme=dark] .composer-wrap,[data-theme=dark] .history-panel,[data-theme=dark] .session-row,[data-theme=dark] .scope-list span,[data-theme=dark] .common-chip,[data-theme=dark] .theme-toggle{background:var(--paper);border-color:var(--line);color:var(--ink)}
[data-theme=dark] .hero{background:linear-gradient(118deg,#10201f,#0d1c1b)}
[data-theme=dark] .hero-visual{background:rgba(19,33,31,.8);border-color:var(--line)}
[data-theme=dark] .visual-dots i{background:#334b48}
[data-theme=dark] .hero-ask input{background:#0f1d1c;border-color:var(--line);color:var(--ink)}
[data-theme=dark] .section-tint{background:#0f1c1b}
[data-theme=dark] .capability-hero{background:linear-gradient(118deg,#10201f,#0d1c1b)}
[data-theme=dark] .tool-group summary{color:var(--ink)}
[data-theme=dark] .tool-table th{background:#162a27}
[data-theme=dark] .tool-table td{border-color:var(--line)}
[data-theme=dark] .footer{background:var(--paper);border-top-color:var(--line)}
[data-theme=dark] .scope-panel{background:#1b1712;border-color:#3a2f22;color:#d9c3a8}
[data-theme=dark] .scope-panel strong{color:#e2a35f}
[data-theme=dark] .login-dialog{background:var(--paper);border-color:var(--line)}
[data-theme=dark] .login-status-card{background:#102622;border-color:#21423a;color:#a9c2bc}
[data-theme=dark] .login-qr-placeholder{background:#0f1d1c;border-color:#2e4947;color:#8ba6a3}
[data-theme=dark] .login-debug-row input{background:#0f1d1c;border-color:#2b4140;color:var(--ink)}
[data-theme=dark] .chat-panel,[data-theme=dark] .chat-log{background:var(--canvas)}
[data-theme=dark] body{background-image:none}
[data-theme=dark] .chat-toolbar{background:var(--paper);border-top-color:var(--line)}
[data-theme=dark] .chat-slogan span{background:var(--canvas,#10161a);border-color:rgba(255,255,255,.08)}[data-theme=dark] .chat-slogan-bar{background:var(--canvas,#10161a)}
[data-theme=dark] .message-user{background:#1d3a36}
[data-theme=dark] .message-head span{color:#7fa09a}
[data-theme=dark] .composer{background:var(--paper)}
[data-theme=dark] .composer input{background:var(--canvas);border-color:var(--line);color:var(--ink)}
[data-theme=dark] .markdown-body code{background:#0b1615;border-color:var(--line);color:#8fe0cc}
[data-theme=dark] .markdown-body pre{background:#0b1615;border-color:var(--line)}
[data-theme=dark] .markdown-body table th{background:#162a27;color:var(--ink)}
[data-theme=dark] .markdown-body table td{border-color:var(--line)}
[data-theme=dark] .image-preview{border-color:var(--line)}
[data-theme=dark] .session-row.active{background:#173229}
[data-theme=dark] .session-row:hover{background:#162825}
[data-theme=dark] .empty-state{color:#6f8f89}
[data-theme=dark] .welcome .eyebrow,[data-theme=dark] .eyebrow{color:#6fd0bd}
[data-theme=dark] .profile-summary .avatar-placeholder{color:#fff}
[data-theme=dark] .account-table th{background:#162a27}
[data-theme=dark] .mobile-menu{background:var(--paper);border-color:var(--line)}
@media(prefers-reduced-motion:reduce){.image-lightbox{backdrop-filter:none}}
/* ===== 全局多选导出 PDF（P0~P2 第二轮改造） ===== */
.pdf-select-bar{display:inline-flex;align-items:center;gap:8px;padding:3px 10px;border:1px solid var(--brand);border-radius:999px;background:var(--soft)}
.pdf-select-bar .btn{min-height:30px;padding:3px 12px;font-size:12.5px}
.msg-select{position:absolute;top:12px;right:12px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;z-index:2}
.msg-select input{position:absolute;opacity:0;width:1px;height:1px}
.msg-select-box{width:19px;height:19px;border:1.5px solid #7fa39c;border-radius:5px;background:var(--canvas);display:inline-grid;place-items:center;transition:border-color .15s,background .15s}
.msg-select input:checked + .msg-select-box{border-color:var(--brand);background:var(--brand)}
.msg-select input:checked + .msg-select-box::after{content:"";width:9px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) translateY(-1px)}
.msg-select input:focus-visible + .msg-select-box{outline:2px solid var(--brand);outline-offset:2px}
.message-agent{position:relative}
.message-user{position:relative}
.message-agent .msg-select + .message-head,.message-user .msg-select + .message-head{padding-right:34px}
.message-agent:hover .msg-select,.message-user:hover .msg-select{opacity:1}
@media(max-width:700px){.pdf-select-bar{flex-wrap:wrap;row-gap:4px;padding:4px 8px}.chat-toolbar .toolbar-meta{gap:6px;flex-wrap:wrap}.msg-select{top:10px;right:10px}.chat-toolbar .toolbar-meta .btn{font-size:12px;min-height:28px;padding:3px 8px}}
/* ===== 购买 AI 额度（微信小程序虚拟支付引导） ===== */
.pay-plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0}
.pay-plan{border:1px solid var(--line);border-radius:10px;padding:12px 10px;display:grid;gap:4px;text-align:center;background:var(--canvas)}
.pay-plan.featured{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.pay-plan strong{font-size:13px;color:var(--ink)}
.pay-plan em{font-style:normal;font-size:12px;color:var(--muted)}
.pay-plan .pay-price{font-size:18px;font-weight:800;color:var(--brand)}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.modal-actions .btn{min-height:36px;padding:6px 16px}
@media(max-width:520px){.pay-plans{grid-template-columns:1fr}}
[data-theme=dark] .pay-plan{background:var(--paper)}
[data-theme=dark] .pay-plan strong{color:var(--ink)}
/* ===== 用量日期范围（账单查询对齐小程序） ===== */
.usage-chip{min-height:28px;padding:3px 10px;font-size:12.5px}
.usage-chip.usage-chip-on{border-color:var(--brand);background:var(--brand);color:#fff}
.usage-range input[type=date]{min-height:30px;padding:3px 8px;font-size:12.5px;border:1px solid var(--line);border-radius:7px;background:var(--canvas);color:var(--ink)}
[data-theme=dark] .usage-range input[type=date]{background:#0f1d1c;border-color:var(--line);color:var(--ink)}
/* ===== 网站访问量统计（页脚） ===== */
.visit-stats{white-space:nowrap;font-size:12.5px}
/* ===== 点踩反馈弹层（对齐小程序豆包式） ===== */
.feedback-reasons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:10px 0}
.feedback-reason{border:1px solid var(--line);border-radius:8px;padding:9px 10px;font-size:13px;background:var(--canvas);color:var(--ink);text-align:left;min-height:40px}
.feedback-reason.on{border-color:var(--brand);background:var(--soft);color:var(--brand-dark);font-weight:600}
.feedback-note{width:100%;box-sizing:border-box;min-height:70px;border:1px solid var(--line);border-radius:8px;padding:9px 10px;font-size:13px;background:var(--canvas);color:var(--ink);resize:vertical;font-family:inherit}
.feedback-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:10px 0;flex-wrap:wrap}
.feedback-meta code{font-size:12px;color:var(--muted)}
/* ===== 我的收藏面板（对齐小程序） ===== */
.fav-modal{max-width:560px}
.fav-list{max-height:46vh;overflow:auto;display:grid;gap:8px;margin:12px 0}
.fav-item{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:9px;padding:10px 12px;background:var(--paper)}
.fav-item.fav-item-on{border-color:var(--brand);background:var(--soft)}
.fav-check{flex:0 0 auto;width:22px;height:22px;border:1.5px solid #7fa39c;border-radius:5px;background:var(--canvas);color:transparent;margin-top:2px;font-size:13px;line-height:1}
.fav-item-on .fav-check{background:var(--brand);border-color:var(--brand);color:#fff}
.fav-main{flex:1;min-width:0;display:grid;gap:3px}
.fav-main strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fav-main p{font-size:12px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fav-ops{display:flex;gap:6px;flex:0 0 auto}
.fav-ops .btn{min-height:30px;padding:4px 9px;font-size:12px}
.fav-bar{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:10px;flex-wrap:wrap}
/* ===== 常用工质按领域（对齐小程序 fluid-tabs） ===== */
.fluid-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:4px 0 10px}
.fluid-tab{border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:12.5px;background:var(--canvas);color:var(--ink);min-height:30px}
.fluid-tab.fluid-tab-on{border-color:var(--brand);background:var(--brand);color:#fff;font-weight:600}
.common-fluid-chips{display:flex;gap:8px;flex-wrap:wrap}
/* ===== 历史消息加载更早（对齐小程序分页） ===== */
.load-older{text-align:center;margin:6px 0}
.load-older .btn{min-height:34px;padding:6px 16px;font-size:12.5px}
[data-theme=dark] .feedback-reason{background:#0f1d1c}
[data-theme=dark] .feedback-reason.on{background:#173229;color:#6fd0bd}
[data-theme=dark] .fav-item{background:#0f1d1c}
[data-theme=dark] .fav-item.fav-item-on{background:#173229}
/* ===== 底部页脚固定（关于我们移至页脚，全站统一入口） ===== */
.footer{position:fixed;left:0;right:0;bottom:0;z-index:800;padding:12px 0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
[data-theme=dark] .footer{background:rgba(14,27,26,.94)}
.footer-inner{justify-content:space-between;align-items:center;gap:14px}
.footer-links{gap:14px}
.footer-links a:hover{color:var(--brand)}
body:not(.workspace-page){padding-bottom:58px}
@media(max-width:760px){.footer{position:static;padding:20px 0 24px}.footer-inner{flex-direction:column;gap:8px;text-align:center}body:not(.workspace-page){padding-bottom:0}}
/* 工作台页（全屏布局）为固定页脚让出高度 */
.workspace-page .work-shell{height:calc(100vh - 68px - 48px)}
/* ===== 对话附件区（Excel/PDF/CSV 下载入口；历史消息恢复同款） ===== */
.attachments{margin:10px 2px 4px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.attachment-item{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;max-width:560px;padding:9px 12px;border:1px solid #dde7e6;border-radius:10px;background:#f7faf9;font-size:12.5px;color:#2b4a4f;box-sizing:border-box}
[data-theme=dark] .attachment-item{background:#0f1d1c;border-color:#27413f;color:#cfe3df}
.attachment-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.attachment-item .btn{min-height:28px;padding:3px 14px;font-size:12px;flex-shrink:0;border-radius:999px}
.attachment-item .btn[disabled]{opacity:.55;cursor:not-allowed}

/* ===== 布局向豆包网页界面看齐（保留全部原有功能） ===== */
.workspace-page .work-shell{grid-template-columns:252px minmax(0,1fr);gap:12px}
.history-head{padding:14px 14px 12px}
.history-head h1{font-size:16px}
.session-list{padding:6px}
.session-row{border-radius:8px;margin:1px 0}
.session-main{padding:8px 8px;gap:2px}
.session-main strong{font-size:12.5px;font-weight:500}
.session-main span{font-size:10.5px;letter-spacing:.01em}
.session-menu button{padding:5px;font-size:15px}
/* 主对话区：消息更窄居中，贴近豆包阅读宽度 */
.chat-log{padding:2px clamp(16px,4vw,52px)}
.message{max-width:760px;margin:0 auto 26px}
.message-user{max-width:80%;border-radius:14px 14px 4px 14px;padding:12px 15px;font-size:14px}
.message-agent{font-size:14.5px;line-height:1.75}
/* 输入区：大圆角、更窄居中（豆包式输入框） */
.composer-wrap{padding:10px clamp(16px,4vw,52px) 6px}
.composer{max-width:none;width:100%;border-radius:22px;padding:11px 13px 9px;border-color:#d3dde2;box-shadow:0 2px 14px rgba(29,59,71,.06)}
.composer:focus-within{border-color:#4e929d;box-shadow:0 0 0 3px rgba(23,107,122,.14)}
.composer textarea{min-height:52px;max-height:180px;font-size:14.5px}
.composer-disclaimer{max-width:none;font-size:10.5px}
.chat-alert{max-width:720px}
@media(max-width:1100px){.workspace-page .work-shell{grid-template-columns:228px minmax(0,1fr)}}
@media(max-width:940px){.workspace-page .work-shell{grid-template-columns:210px minmax(0,1fr)}.chat-log{padding:2px 14px}.message{max-width:100%}.composer-wrap{padding:10px 14px 6px}}
[data-theme=dark] .composer{border-color:#2c4446}
[data-theme=dark] .message-user{background:#16302e;border-color:#21403e}

/* ===== 豆包风格工作台（对话为主、侧栏可折叠、输入框居中大圆角） ===== */
.workspace-page .topbar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);backdrop-filter:blur(8px);position:relative;z-index:50}
[data-theme=dark] .workspace-page .topbar{background:rgba(14,27,26,.94)}
/* 工作台全宽铺满（覆盖 .container 的 1180px 居中限制，向豆包看齐） */
.workspace-page .topbar-inner{width:100%;max-width:none;padding:0 16px;position:relative}
.workspace-page .toolbar-title{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;min-width:0;max-width:min(60vw,560px);pointer-events:none}
.workspace-page .work-shell{width:100%;max-width:none;grid-template-columns:248px minmax(0,1fr);gap:0;padding:0}
.workspace-page .chat-slogan-bar{left:248px;background:#fff}
.workspace-page .chat-slogan{display:flex;align-items:center;justify-content:center;height:58px}
.workspace-page .chat-slogan span{background:transparent;border:0;border-radius:0;box-shadow:none;padding:0;line-height:normal}
.workspace-page.sidebar-collapsed .chat-slogan-bar{left:0}
@media(max-width:1100px){.workspace-page .chat-slogan-bar{left:224px}}
@media(max-width:940px){.workspace-page .chat-slogan-bar{left:206px}}
.workspace-page .chat-log .message:last-child{margin-bottom:6px}
.workspace-page .composer-wrap{padding-top:6px}
.workspace-page .chat-toolbar{height:1px;flex:0 0 1px;border:0;padding:0;overflow:hidden;background:var(--line)}
.workspace-page .chat-log{padding-bottom:0}
.toast{z-index:900}
.workspace-page .history-panel{border:0;border-right:1px solid var(--line);border-radius:0}
.workspace-page .chat-panel{border:0;border-radius:0;background:var(--canvas,#f7f9fa)}
[data-theme=dark] .workspace-page .chat-panel{background:var(--canvas)}
/* 会话分组：置顶 / 对话（豆包式分组标签） */
.session-group-label{padding:12px 10px 4px;font-size:12px;font-weight:700;color:var(--muted)}
.session-group:first-child .session-group-label{padding-top:8px}
.session-menu button{font-size:14px}
/* 侧栏头部：纵向功能项（豆包式）+ 分组标签 */
.history-head{display:flex;align-items:center;gap:6px;padding:14px 10px 12px;flex-wrap:nowrap}
.history-head .eyebrow{display:none}
.history-head h1{font-size:17px;margin:0}
.history-head-main{flex:1;min-width:0}
.history-head-actions{display:flex;gap:6px;flex-wrap:nowrap}
.history-head-actions .btn{min-height:32px;padding:4px 10px;font-size:12px;border-radius:999px;white-space:nowrap}
.sidebar-toggle{min-height:30px;padding:2px 8px;font-size:15px;border-radius:8px;flex-shrink:0;line-height:1.3}
/* 侧栏纵向功能列表（豆包式：新对话/导出 各占一整行） */
.history-nav{display:flex;flex-direction:column;gap:8px;padding:12px 10px 10px;border-bottom:1px solid var(--line)}
.nav-new,.nav-export{justify-content:flex-start;width:100%;min-height:40px;gap:9px;font-size:14px;border-radius:10px;padding:8px 12px}
.nav-new{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-new:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.nav-export{background:#fff;border:1px solid var(--line);color:var(--ink)}
.nav-export:hover{background:var(--soft)}
[data-theme=dark] .nav-export{background:#1b2a29;border-color:#2c4446;color:#e6ecec}
.history-label{display:flex;align-items:center;justify-content:space-between;padding:12px 10px 6px}
.history-label h1{font-size:15px;margin:0;font-weight:700}
/* 顶栏 ☰ 折叠按钮（豆包式汉堡） */
.topbar-sidebar-toggle{min-height:34px;padding:4px 10px;font-size:16px;border-radius:8px;flex-shrink:0}
/* 顶栏收藏图标（品牌右侧，豆包式排布） */
.top-fav{min-height:34px;min-width:34px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--ink)}
.top-fav:hover{background:var(--soft)}
/* 侧栏新对话按钮（豆包式图标+文字） */
#new-chat{gap:7px;padding:4px 12px}
#new-chat svg{flex-shrink:0}
/* 侧栏底部账户停靠区（豆包左下角：头像+昵称+套餐+⚙设置） */
.history-foot{padding:10px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;align-items:stretch}
.account-dock{display:flex;flex-direction:row;align-items:center;gap:8px;position:relative}
.dock-login{flex:1;min-height:38px;border-radius:10px;font-size:14px}
.dock-user-row{display:flex;align-items:center;gap:10px;padding:6px;flex:1;min-width:0;cursor:pointer}
.dock-avatar{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;flex-shrink:0}
.dock-meta{flex:1;min-width:0}
.dock-name{font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-settings{min-height:32px;min-width:32px;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:15px;flex-shrink:0;color:var(--ink)}
.dock-settings:hover{background:var(--soft)}
.dock-menu{display:flex;flex-direction:column;gap:2px;padding:4px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow);position:absolute;bottom:calc(100% + 6px);left:6px;right:6px;z-index:40}
.dock-link{display:block;width:100%;text-align:left;padding:9px 10px;border-radius:8px;font-size:14px;color:var(--ink);background:transparent;border:0;font-weight:600}
.dock-link:hover{background:var(--soft)}
[data-theme=dark] .dock-settings{background:#1b2a29;border-color:#2c4446;color:#e6ecec}
[data-theme=dark] .dock-menu{background:#172321;border-color:#2c4446}
[data-theme=dark] .dock-link{color:#e6ecec}
/* 消息操作图标按钮（复用小程序图标） */
.msg-op{display:inline-flex;align-items:center;justify-content:center;min-height:32px;min-width:32px;padding:5px 9px;border-radius:8px;color:var(--muted);transition:color .18s}
.msg-op img{width:16px;height:16px;display:block;opacity:.32;filter:grayscale(1);transition:opacity .18s,filter .18s}
.msg-op svg{transition:color .18s}
.msg-op:hover img{opacity:.75}
.msg-op.active,.msg-op.flash,.msg-op.speaking{color:var(--accent)}
.msg-op.active img,.msg-op.flash img,.msg-op.speaking img{opacity:1;filter:none}
/* 设置弹层（对齐小程序设置：通用/朗读/账户） */
.settings-modal{max-width:520px;width:calc(100vw - 28px);max-height:88vh;overflow:auto}
.settings-modal h2{margin:5px 0 10px}
.settings-group-title{font-size:12px;font-weight:700;color:var(--muted);margin:14px 0 6px}
.settings-group{background:#f8fbfb;border:1px solid var(--line);border-radius:12px;padding:4px 14px}
.settings-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.settings-row:last-child{border-bottom:0}
.settings-name{font-size:14px;font-weight:600}
.settings-select{border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:5px 8px;font-size:13px;min-width:130px}
.switch{position:relative;display:inline-block;width:40px;height:22px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.switch-slider{position:absolute;inset:0;background:#ccd6db;border-radius:99px;transition:.2s}
.switch-slider:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + .switch-slider{background:var(--brand)}
.switch input:checked + .switch-slider:before{transform:translateX(18px)}
.seg{display:flex;border:1px solid var(--line);border-radius:99px;padding:2px;gap:2px}
.seg button{border:0;background:transparent;padding:5px 12px;border-radius:99px;font-size:13px;color:var(--muted);font-weight:600;cursor:pointer}
.seg button.on{background:var(--brand);color:#fff}
.settings-acct{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.settings-acct-meta{min-width:0;display:grid;gap:2px}
.settings-row-link{display:flex;align-items:center;justify-content:space-between;width:100%;border:0;background:transparent;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink);font-weight:600;text-align:left;cursor:pointer;font-family:inherit}
.settings-row-link span{color:var(--muted);margin-left:8px}
.settings-row-link:last-child{border-bottom:0}
.settings-row-link.danger{color:#c0392b}
.settings-links{display:flex;gap:10px;justify-content:center;margin-top:16px;font-size:12px;color:var(--muted)}
.settings-links a{color:var(--brand);font-weight:600}
[data-theme=dark] .settings-group{background:#1b2a29;border-color:#2c4446}
[data-theme=dark] .settings-row{border-color:#223333}
[data-theme=dark] .settings-row-link{color:#e6ecec;border-color:#223333}
[data-theme=dark] .settings-select{background:#172321;border-color:#2c4446;color:#e6ecec}
[data-theme=dark] .settings-acct{border-color:#223333}
/* 设置弹层：豆包风格系列行（行尾当前值 + 箭头）+ 子弹窗 */
.settings-value{font-size:13px;font-weight:500;margin-left:auto;color:var(--muted)}
.settings-row-link .chev{color:var(--muted);margin-left:2px;font-weight:700;flex-shrink:0}
.settings-row-link .settings-value{margin-left:auto}
.settings-row-link .chev + .settings-value{margin-left:2px}
.modal-back{position:absolute;left:16px;top:14px;width:30px;height:30px;border:0;background:transparent;font-size:22px;line-height:1;color:var(--muted);cursor:pointer;border-radius:8px;z-index:2}
.modal-back:hover{background:var(--soft);color:var(--ink)}
.settings-modal{position:relative}
.quota-plan{display:flex;align-items:center;gap:8px;padding:12px 14px;background:var(--soft);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;font-size:14px}
.quota-plan b{font-size:15px}
.quota-badge{font-size:12px;font-weight:600;color:var(--brand);border:1px solid var(--brand);border-radius:99px;padding:2px 9px;margin-left:auto}
.quota-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px}
.quota-item b{font-size:14px;flex-shrink:0}
.quota-meta{display:grid;gap:2px;min-width:0}
.quota-meta span{font-size:14px;font-weight:600}
.quota-meta small{font-size:12px;color:var(--muted)}
.quota-actions{display:flex;gap:10px;margin:14px 0 6px}
.quota-actions .btn{flex:1;justify-content:center}
.center{text-align:center}
.tts-tabs{display:flex;gap:6px;margin:2px 0 12px;border-bottom:1px solid var(--line)}
.tts-tabs button{border:0;background:transparent;padding:8px 16px;font-size:14px;color:var(--muted);font-weight:600;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tts-tabs button.on{color:var(--brand);border-bottom-color:var(--brand)}
.tts-list{display:grid;gap:8px;max-height:46vh;overflow:auto}
.tts-card{position:relative;display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid var(--line);border-radius:12px;background:#f8fbfb;padding:12px 14px;cursor:pointer;font-family:inherit}
.tts-card:hover{border-color:var(--brand)}
.tts-card.on{border-color:var(--brand);background:var(--soft)}
.tts-name{font-size:14px;font-weight:700;color:var(--ink)}
.tts-tag{font-size:12px;color:var(--muted)}
.tts-check{margin-left:auto;color:var(--brand);font-weight:700}
.theme-options{display:grid;gap:8px}
.theme-options button{border:1px solid var(--line);border-radius:12px;background:#f8fbfb;padding:12px 14px;font-size:14px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;font-family:inherit}
.theme-options button:hover{border-color:var(--brand)}
.theme-options button.on{border-color:var(--brand);background:var(--soft);color:var(--brand)}
.memory-desc{font-size:13px;color:var(--muted);line-height:1.7;margin:4px 0 12px}
.memory-list{display:grid;gap:8px;max-height:42vh;overflow:auto}
.memory-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border:1px solid var(--line);border-radius:12px;background:#f8fbfb}
.memory-item span{font-size:13px;color:var(--muted)}
.memory-item b{font-size:13px;font-weight:600}
[data-theme=dark] .tts-card,[data-theme=dark] .theme-options button,[data-theme=dark] .memory-item{background:#1b2a29;border-color:#2c4446}
[data-theme=dark] .quota-plan{background:#132523;border-color:#2c4446}
[data-theme=dark] .tts-name,[data-theme=dark] .theme-options button,[data-theme=dark] .quota-item b,[data-theme=dark] .quota-plan b{color:#e6ecec}
[data-theme=dark] .memory-item span{color:#8ba6a3}
[data-theme=dark] .modal-back{color:#8ba6a3}
/* 左下角账户区 */
.dock-settings{min-height:34px;min-width:34px;border:0;background:transparent;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.dock-settings:hover{background:var(--soft)}
[data-theme=dark] .dock-settings img{filter:invert(1)}
/* 对话顶栏：标题居中 + 右侧声音/三点（豆包极简） */
.chat-toolbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px}
.toolbar-left{display:none}
.toolbar-title{text-align:center;min-width:0;max-width:min(60vw,560px)}
.toolbar-title strong{font-size:15px;font-weight:700;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.toolbar-title .small{font-size:12px;color:var(--muted);white-space:nowrap}
.toolbar-right{display:flex;align-items:center;gap:6px;justify-content:flex-end;min-width:0}
.icon-btn{min-height:32px;min-width:32px;padding:4px 10px;font-size:14px;border-radius:8px}
#tts-quick{color:var(--muted)}
#tts-quick .icon-on{display:none}
#tts-quick.active{color:var(--accent)}
#tts-quick.active .icon-on{display:block}
#tts-quick.active .icon-off{display:none}
.msg-op .icon-on{display:none}
.msg-op.active .icon-on{display:block}
.msg-op.active .icon-off{display:none}
.conv-menu-wrap{position:relative}
.conv-menu{position:absolute;right:0;top:calc(100% + 6px);min-width:160px;display:flex;flex-direction:column;gap:2px;padding:4px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow);z-index:60}
.conv-menu-item{display:block;width:100%;text-align:left;padding:9px 10px;border-radius:8px;font-size:14px;color:var(--ink);background:transparent;border:0;font-weight:600}
.conv-menu-item:hover{background:var(--soft)}
[data-theme=dark] .conv-menu{background:#172321;border-color:#2c4446}
[data-theme=dark] .conv-menu-item{color:#e6ecec}
@media(max-width:700px){.chat-toolbar{grid-template-columns:auto 1fr auto;gap:6px}.toolbar-left .small{display:none}.toolbar-title{max-width:none}.toolbar-title strong{font-size:14px}}
/* 折叠态：侧栏隐藏后必须用单列 grid（display:none 不参与占位，双列会把聊天面板挤进 0 宽列导致空白） */
.workspace-page.sidebar-collapsed .work-shell{grid-template-columns:minmax(0,1fr)}
.workspace-page.sidebar-collapsed .history-panel{display:none}
/* 左下角账户菜单（对齐豆包：设置/外观设置[二级]/我的收藏/退出登录） */
.dock-menu{position:fixed;left:12px;bottom:132px;z-index:140;width:240px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 48px rgba(15,40,50,.18);padding:3px;max-height:calc(100vh - 88px);display:flex;flex-direction:column}
.dock-menu .dock-menu-head{flex-shrink:0}
.dock-menu .dock-menu-head .dock-avatar{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex-shrink:0}
.dock-menu .dock-menu-head .dock-menu-meta{min-width:0;display:grid;gap:1px}
.dock-menu .dock-menu-head .dock-menu-meta > div:first-child{font-size:13px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-menu .dock-menu-head .dock-menu-meta > div:last-child{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-menu .menu-body{flex:1;min-height:0;display:flex;flex-direction:column;gap:1px}
.dock-menu [data-menu-logout]{margin-top:auto;flex-shrink:0;background:#fff;border-top:1px solid var(--line)}
[data-theme=dark] .dock-menu [data-menu-logout]{background:#132321}
.dock-menu.open{bottom:8px}
.account-dock.dock-menu-open{display:none}
.dock-menu-head{display:flex;align-items:center;gap:10px;padding:8px 8px 10px;border-bottom:1px solid var(--line);margin-bottom:2px}
.dock-menu-head .dock-avatar{width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;flex-shrink:0}
.dock-menu-meta{min-width:0;display:grid;gap:2px}
.dock-menu button{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;border:0;background:transparent;padding:7px;border-radius:8px;font-size:13px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;font-family:inherit}
.dock-menu button:hover{background:var(--soft)}
.dock-menu .chev{color:var(--muted);font-weight:700}
.menu-sub{margin:2px 0 4px;background:var(--soft);border-radius:8px;padding:4px}
.menu-sub button{padding:8px 12px;font-size:13px;font-weight:500;color:var(--muted)}
.menu-sub button:hover{background:#fff;color:var(--ink)}
.menu-sub button.on{color:var(--brand);font-weight:700}
[data-theme=dark] .dock-menu{background:#132321;border-color:#2c4446}
[data-theme=dark] .dock-menu button{color:#e6ecec}
[data-theme=dark] .menu-sub{background:#0f1b1a}
[data-theme=dark] .menu-sub button:hover{background:#1b2a29;color:#e6ecec}
/* 账号卡片弹层（订阅与额度管理/邀请有礼/我的收藏/退出登录），对齐豆包账户菜单视觉 */
.account-menu{position:fixed;left:12px;bottom:132px;z-index:141;width:240px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 48px rgba(15,40,50,.18);padding:3px;max-height:calc(100vh - 88px);display:flex;flex-direction:column}
.account-menu.open{bottom:8px}
.account-menu .dock-menu-head{flex-shrink:0;display:flex;align-items:center;gap:8px;padding:5px 6px 7px;border-bottom:1px solid var(--line);margin-bottom:1px}
.account-menu .dock-menu-head .dock-avatar{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex-shrink:0}
.account-menu .dock-menu-head .dock-menu-meta{min-width:0;display:grid;gap:1px}
.account-menu .dock-menu-head .dock-menu-meta > div:first-child{font-size:13px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.account-menu .dock-menu-head .dock-menu-meta > div:last-child{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.account-menu .menu-body{flex:1;min-height:0;display:flex;flex-direction:column;gap:1px}
.account-menu button{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;border:0;background:transparent;padding:3px 6px;border-radius:6px;font-size:12px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;font-family:inherit;flex-shrink:0}
.account-menu button:hover{background:var(--soft)}
.account-menu .chev{color:var(--muted);font-weight:700}
.account-menu .danger{color:#c0392b}
.account-menu [data-menu-logout]{margin-top:auto;flex-shrink:0;background:#fff;border-top:1px solid var(--line)}
[data-theme=dark] .account-menu [data-menu-logout]{background:#132321}
[data-theme=dark] .account-menu{background:#132321;border-color:#2c4446}
[data-theme=dark] .account-menu button{color:#e6ecec}
/* 弹窗质感对齐豆包：背景模糊 + 标题居中 */
.modal::backdrop{background:rgba(15,31,39,.30);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.settings-modal h2{text-align:center}
/* 主对话区：居中窄阅读宽度 */
.chat-log{padding:2px 16px 120px;background:transparent}
.message{max-width:none;width:100%}
/* 输入区：豆包式大圆角、居中、悬浮感 */
.composer-wrap{padding:6px 16px 16px;background:transparent;border-top:0}
.composer{max-width:none;width:100%;border-radius:26px;padding:12px 14px 10px;border-color:#d6e0e5;box-shadow:0 4px 22px rgba(29,59,71,.08)}
.composer:focus-within{border-color:#4e929d;box-shadow:0 0 0 3px rgba(23,107,122,.15)}
.composer textarea{min-height:56px;max-height:180px;font-size:15px}
.composer-bottom{padding-top:8px}
.composer-disclaimer{max-width:none;margin-top:8px}
.chat-alert{max-width:760px}
@media(max-width:1100px){.workspace-page .work-shell{grid-template-columns:224px minmax(0,1fr)}}
@media(max-width:940px){.workspace-page .work-shell{grid-template-columns:206px minmax(0,1fr)}.history-head-actions .btn{padding:4px 8px}.chat-log{padding:2px 14px 110px}.message{max-width:100%}.composer-wrap{padding:6px 12px 14px}}
@media(max-width:700px){.workspace-page.sidebar-collapsed .history-panel{display:none}}




/* 邀请有礼：豆包风格邀请卡片 */
.invite-desc{font-size:14px;color:var(--muted);line-height:1.7;margin:4px 0 18px}
.invite-card{border:1px solid #d9e4e4;border-radius:16px;background:linear-gradient(135deg,#f2faf7,#eef5f6);padding:22px 18px;text-align:center;margin-bottom:16px}
.invite-code-label{font-size:12px;color:#3d6b70;letter-spacing:.06em;margin-bottom:6px}
.invite-code{font-size:34px;font-weight:800;letter-spacing:.16em;color:#143d45;font-variant-numeric:tabular-nums;margin:6px 0 16px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.invite-card .btn{margin:0 4px}
.invite-link{font-size:12px;color:var(--muted);word-break:break-all;margin-top:12px}
.invite-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 16px}
.invite-stat{border:1px solid var(--line);border-radius:14px;background:#fff;padding:14px 8px;text-align:center}
.invite-stat b{display:block;font-size:24px;color:#165e67;margin-bottom:2px}
.invite-stat span{font-size:12px;color:var(--muted)}
.invite-howto{border:1px solid #e9d9c6;background:#fffaf4;border-radius:14px;padding:16px 20px;color:#654e38;line-height:1.75;margin-bottom:14px}
.invite-howto h3{margin:0 0 8px;font-size:14px;color:#754c27}
.invite-howto ol{margin:0;padding-left:20px;font-size:13.5px}
.invite-howto li{margin-bottom:4px}