:root{--navy: #13223e;--navy-2: #20365d;--blue: #3f6df2;--blue-dark: #2f57cf;--blue-soft: #edf2ff;--ink: #172238;--muted: #6e788d;--line: #dde3ed;--line-strong: #c9d2e1;--canvas: #f6f7fa;--paper: #fff;--success: #168864;--shadow: 0 20px 60px rgba(30, 46, 77, .1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;min-height:100vh;margin:0;overflow-x:hidden;color:var(--ink);background:var(--canvas);font-family:Noto Sans SC,Microsoft YaHei,PingFang SC,system-ui,sans-serif}button,input,select,textarea{font:inherit}button,select,input[type=radio],summary{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(63,109,242,.22);outline-offset:2px}.hidden{display:none!important}.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}.rail{position:fixed;inset:0 auto 0 0;z-index:20;width:300px;display:flex;flex-direction:column;padding:34px 28px 24px;color:#fff;background:var(--navy)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{width:44px;height:44px;display:grid;place-items:center;color:var(--navy);background:#fff;font:800 24px SimSun,serif}.brand strong{display:block;font:800 27px SimSun,serif;letter-spacing:.08em}.brand small{display:block;margin-top:2px;color:#9faec8;font-size:9px;letter-spacing:.14em}.rail-task-button{width:100%;min-height:66px;display:grid;grid-template-columns:34px 1fr 12px;align-items:center;gap:10px;margin-top:34px;border:1px solid rgba(255,255,255,.13);padding:10px 11px;color:#fff;background:#ffffff0f;text-align:left}.rail-task-button:hover{border-color:#7ea0ffa6;background:var(--navy-2)}.rail-task-icon{width:32px;height:32px;display:grid;place-items:center;color:#dce6ff;background:#6389f33b;font:700 15px SimSun,serif}.rail-task-button strong,.rail-task-button small{display:block}.rail-task-button strong{font-size:12px}.rail-task-button small{margin-top:5px;color:#aebbd0;font-size:8px;font-weight:500}.rail-task-button i{color:#8facf8;font-size:18px;font-style:normal}.steps{display:grid;gap:6px;margin:30px 0 0;padding:0;list-style:none}.steps li{min-height:74px;display:grid;grid-template-columns:28px 1fr;align-items:center;gap:10px;padding:12px 10px;border-left:2px solid rgba(255,255,255,.12);color:#97a6bf}.steps li.active,body.has-job .steps li[data-step=generate],body.job-complete .steps li[data-step=review]{border-left-color:#7da0ff;color:#fff;background:var(--navy-2)}.steps li>span{width:24px;height:24px;display:grid;place-items:center;border:1px solid currentColor;border-radius:50%;font-size:11px;font-weight:800}.steps strong,.steps small{display:block}.steps strong{font-size:13px}.steps small{margin-top:4px;font-size:10px;font-weight:500}.trust{margin-top:auto;padding:18px 0;border-top:1px solid rgba(255,255,255,.12)}.trust span{color:#8facf8;font-size:11px;font-weight:800;letter-spacing:.08em}.trust ul{display:grid;gap:8px;margin:12px 0 0;padding:0;list-style:none}.trust li{position:relative;padding-left:15px;color:#c7d1e1;font-size:11px;line-height:1.55}.trust li:before{position:absolute;left:0;top:.58em;width:5px;height:5px;border-radius:50%;background:#7899f5;content:""}.rail-guide-button{width:100%;border:1px solid rgba(255,255,255,.14);padding:11px 13px;color:#d3dcec;background:#ffffff0d;font-size:12px;text-align:left}.rail-guide-button:hover{border-color:#ffffff47;color:#fff;background:#ffffff14}.rail-status{display:flex;align-items:center;gap:8px;padding-top:16px;color:#aebbd0;font-size:10px}.rail-status i{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px #16886426}.service-offline .rail-status i{background:#d59a35;box-shadow:0 0 0 4px #d59a3526}.page{min-height:100vh;margin-left:300px;background:radial-gradient(circle at 55% 0%,rgba(78,117,242,.08),transparent 32%),var(--canvas)}.notice{min-height:54px;display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 28px;border-bottom:1px solid var(--line);background:#ffffffe0}.notice>span{color:var(--blue)}.notice p{margin:0;color:#59657a;font-size:12px}.notice button,.notice a{border:0;padding:5px;color:var(--blue);background:transparent;font-size:11px;text-decoration:none}main{width:min(1240px,calc(100% - 48px));margin:0 auto;padding:58px 0 72px}.hero{width:min(940px,100%);margin:0 auto;text-align:center}.eyebrow{color:var(--blue);font-size:10px;font-weight:850;letter-spacing:.14em}.hero h1{margin:10px 0 12px;font:700 clamp(36px,4vw,50px) "SimSun",serif;letter-spacing:.05em}.hero-copy{margin:0;color:var(--muted);font-size:13px;line-height:1.8}.title-box{min-height:62px;display:grid;grid-template-columns:136px minmax(0,1fr) 104px;margin-top:36px;border:1px solid var(--line-strong);background:#fff;box-shadow:var(--shadow)}.title-box select,.title-box input{width:100%;height:60px;border:0;color:var(--ink);background:transparent;outline:0}.title-box>label:first-child{border-right:1px solid var(--line)}.title-box select{padding:0 17px}.title-input{position:relative}.title-input input{padding:0 74px 0 18px;font-size:14px}.title-input input::placeholder{color:#a0a9b9}.title-input small{position:absolute;right:14px;top:50%;color:#9ca6b7;font-size:10px;transform:translateY(-50%)}.title-box>button{align-self:center;min-height:38px;margin-right:10px;border:1px solid #ccd7fa;color:var(--blue);background:var(--blue-soft);font-size:11px;font-weight:750}.quick-fields{display:flex;flex-wrap:wrap;justify-content:center;gap:18px 30px;margin-top:22px}.quick-fields fieldset{display:flex;align-items:center;gap:14px;margin:0;padding:0;border:0}.quick-fields legend{float:left;margin-right:3px;color:var(--muted);font-size:11px}.quick-fields 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span{width:52px;height:52px;display:grid;place-items:center;margin-bottom:14px;color:#fff;background:var(--blue);font:800 24px SimSun,serif}.empty-draft strong{color:#364158;font-size:13px}.empty-draft p{margin:7px 0 0;font-size:10px}.faq{width:min(940px,100%);display:grid;grid-template-columns:260px 1fr;gap:40px;margin:76px auto 0;padding-top:30px;border-top:1px solid var(--line)}.faq h2{margin:8px 0 0;font:700 23px/1.45 SimSun,serif}.faq details{border-bottom:1px solid var(--line)}.faq summary{min-height:50px;display:flex;align-items:center;justify-content:space-between;color:#39445a;font-size:11px;font-weight:750;list-style:none}.faq summary:after{color:var(--blue);content:"＋"}.faq details[open] summary:after{content:"－"}.faq p{margin:-3px 0 15px;color:var(--muted);font-size:10px;line-height:1.7}dialog{width:min(520px,calc(100% - 32px));border:0;padding:34px;color:var(--ink);box-shadow:0 24px 80px #121f383d}dialog::backdrop{background:#121f388f}dialog>button{position:absolute;right:15px;top:10px;border:0;color:var(--muted);background:transparent;font-size:24px}dialog h2{margin:8px 0 20px;font:700 25px SimSun,serif}.dialog-intro{margin:-9px 0 20px;color:var(--muted);font-size:10px;line-height:1.7}dialog ol{display:grid;gap:14px;margin:0;padding-left:22px}dialog li{padding-left:5px}dialog li strong{font-size:12px}dialog li p{margin:4px 0 0;color:var(--muted);font-size:10px}.guide-dialog{width:min(720px,calc(100% - 32px));max-height:calc(100vh - 48px);overflow:auto;padding:38px 40px}.guide-dialog>button{position:sticky;z-index:2;float:right;top:-25px;margin:-10px -16px 0 0;width:38px;height:38px;border-radius:50%;background:#f1f3f7}.guide-dialog h2{margin-bottom:10px;font-size:28px}.guide-lead{max-width:590px;margin:0 0 25px;color:#637087;font-size:14px;line-height:1.8}.guide-steps{gap:0;padding:0;list-style:none}.guide-steps li{display:grid;grid-template-columns:48px 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#121f3840;font-size:11px;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .2s ease,transform .2s ease}.toast.show{opacity:1;transform:translateY(0)}@media (max-width: 1080px){.rail{width:240px;padding-inline:22px}.page{margin-left:240px}.workspace{grid-template-columns:280px minmax(0,1fr)}}@media (max-width: 820px){body{background:#f4f6fa}.rail{position:sticky;inset:0 0 auto;z-index:50;width:100%;min-height:62px;flex-direction:row;align-items:center;padding:10px max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));box-shadow:0 8px 28px #0a193229}.brand-mark{width:34px;height:34px;font-size:18px}.brand strong{font-size:20px}.brand small,.steps,.trust{display:none}.rail-task-button{width:auto;min-width:96px;min-height:42px;grid-template-columns:1fr 10px;margin:0 0 0 auto;padding:7px 10px;border-color:#ffffff2e;text-align:center}.rail-task-icon,.rail-task-button small{display:none}.rail-task-button 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button{min-height:52px;display:grid;place-content:center;gap:3px;border:0;color:#69758a;background:transparent}.workspace-mobile-tabs button[aria-selected=true]{color:#fff;background:var(--navy)}.workspace-mobile-tabs span{font-size:13px;font-weight:800}.workspace-mobile-tabs small{color:inherit;font-size:9px;opacity:.75}.workspace[data-mobile-view=structure] .draft,.workspace[data-mobile-view=draft] .outline{display:none}.outline,.draft{width:100%;box-shadow:0 10px 32px #1e2e4d12}.outline{position:static}#sectionNav{max-height:none}.progress-panel{grid-template-columns:minmax(0,1fr) auto;gap:14px;margin-top:28px;padding:16px}.progress-copy{min-width:0}.progress-copy>div{min-width:0}.progress-copy strong,.progress-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress-track{grid-column:1 / -1;grid-row:2}#progressPercent{grid-column:2;grid-row:1;min-width:44px;font-size:15px}#cancelButton{grid-column:1 / -1;min-height:42px;border:1px solid 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