:root{--bg:#f6f8fc;--surface:#fff;--text:#162033;--muted:#667085;--soft:#eef2f8;--line:#dfe5ef;--accent:#4856d8;--accent-dark:#3441b5;--green:#18835d;--red:#c33b4b;--shadow:0 18px 50px rgba(38,55,91,.08);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{height:58px;padding:0 4vw;display:flex;align-items:center;gap:15px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{font-weight:800;color:var(--text);font-size:18px;text-decoration:none}.divider{width:1px;height:19px;background:var(--line)}.product{color:var(--muted);font-size:14px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:14px}.quota{background:#f1f3ff;color:var(--accent-dark);font-size:12px;font-weight:700;border-radius:99px;padding:7px 11px}.text-button{border:0;background:none;color:var(--muted);font-size:13px}.page{max-width:1440px;margin:0 auto;padding:35px 4vw 60px}.access-card{background:linear-gradient(120deg,#202b59,#3d4db8);border-radius:12px;color:#fff;padding:36px 42px;display:flex;justify-content:space-between;gap:32px;align-items:center;box-shadow:var(--shadow)}.access-card h1{font-size:30px;letter-spacing:0;margin:8px 0 10px}.access-card p{color:#dce2ff;margin:0;max-width:630px;line-height:1.7}.eyebrow{font-size:11px;letter-spacing:1.4px;font-weight:800;color:#7b86e8}.access-card .eyebrow{color:#b8c0ff}.access-form{width:min(440px,100%);background:rgba(255,255,255,.1);padding:20px;border:1px solid rgba(255,255,255,.18);border-radius:8px}.access-form label{color:#fff}.access-form small{display:block;color:#dce2ff;margin-top:10px}.code-row{display:flex;gap:8px;margin-top:8px}.code-row input{min-width:0}.mode-tabs{display:flex;gap:10px;margin:28px 0 16px}.mode-tab{border:1px solid var(--line);background:#fff;border-radius:8px;padding:13px 18px;text-align:left;color:var(--muted);font-weight:750;min-width:260px}.mode-tab span{display:block;font-size:12px;font-weight:400;margin-top:5px;color:#98a2b3}.mode-tab.active{color:var(--accent-dark);border-color:#aeb7fb;background:#f4f5ff;box-shadow:0 2px 8px rgba(72,86,216,.08)}.workspace-grid{display:grid;grid-template-columns:360px minmax(0,1fr);gap:16px;align-items:start}.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 5px 22px rgba(38,55,91,.04)}.form-panel{padding:22px;position:sticky;top:76px}.result-panel{min-height:610px;padding:26px}.panel-heading,.result-heading{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.panel-heading h2,.result-heading h2{margin:5px 0 0;font-size:21px;letter-spacing:0}.step{font-size:20px;font-weight:800;color:#d8ddec}label{display:block;color:#344054;font-size:13px;font-weight:750;margin:18px 0 7px}input,textarea,select{width:100%;border:1px solid #d5dce8;border-radius:7px;background:#fff;color:var(--text);padding:11px 12px;outline:0;transition:border .15s,box-shadow .15s}textarea{resize:vertical;line-height:1.65}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(72,86,216,.11)}.hint,.privacy{color:#8b95a7;font-size:12px;line-height:1.6;margin:7px 0}.counter{text-align:right;color:#9aa3b1;font-size:11px;margin-top:5px}.primary{border:0;background:var(--accent);color:#fff;border-radius:7px;padding:11px 16px;font-weight:750;white-space:nowrap}.primary:hover{background:var(--accent-dark)}.generate{width:100%;display:flex;justify-content:space-between;align-items:center;margin-top:22px}.arrow{font-size:19px}.error{color:var(--red);font-size:12px;line-height:1.5;min-height:18px;margin-top:10px}.result-meta{color:var(--muted);font-size:12px;margin-top:18px}.empty-state{text-align:center;padding:120px 20px;color:var(--muted)}.empty-mark{margin:0 auto 17px;width:50px;height:50px;border:1px solid #cfd6e4;border-radius:50%;display:grid;place-items:center;color:var(--accent);font-family:Georgia,serif;font-size:22px}.empty-state h3{font-size:16px;color:#465064;margin:0 0 8px}.empty-state p{font-size:13px;margin:0}.loading{display:flex;align-items:center;gap:10px;background:#f5f6ff;color:var(--accent-dark);border-radius:7px;padding:13px;font-size:13px}.spinner{width:16px;height:16px;border:2px solid #cbd1ff;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-list{display:grid;gap:0}.ref-item{padding:18px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:34px 1fr;gap:12px}.ref-number{color:var(--accent);font-weight:800}.ref-title{font-size:15px;line-height:1.5;font-weight:750}.ref-citation{color:#596579;font-size:13px;line-height:1.7;margin-top:7px}.ref-details{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px;color:#8a94a5;font-size:11px}.ref-details a{color:var(--accent);text-decoration:none}.query-note{background:#f7f8fb;border:1px solid var(--line);padding:12px;border-radius:7px;color:#687386;font-size:12px;line-height:1.6;margin-bottom:16px}.paragraphs{display:grid;gap:14px}.annotated-paragraph{font-size:15px;line-height:1.9;padding:14px 16px;background:#fafbfe;border-left:3px solid #8791ec;border-radius:0 7px 7px 0}.annotated-paragraph sup{color:var(--accent-dark);font-weight:800;margin-left:3px}.section-label{font-size:12px;font-weight:800;color:#667085;letter-spacing:.7px;margin:25px 0 8px}.cite-refs{padding-top:1px}.cite-refs .ref-item{padding:11px 0}.hidden{display:none}@media(max-width:850px){.access-card{display:block;padding:28px 24px}.access-card h1{font-size:25px}.access-form{margin-top:22px}.workspace-grid{grid-template-columns:1fr}.form-panel{position:static}.mode-tabs{overflow-x:auto}.mode-tab{min-width:240px}.result-panel{min-height:420px;padding:20px}}@media(max-width:520px){.page{padding:20px 14px 45px}.topbar{padding:0 14px}.product{display:none}.access-card h1{font-size:23px}.code-row{display:block}.code-row button{width:100%;margin-top:8px}.mode-tabs{margin-top:20px}.mode-tab{min-width:220px;padding:11px 13px}.result-heading h2{font-size:18px}}

.progress-wrap{margin:-5px 0 18px;padding:11px 13px;background:#f5f6ff;border:1px solid #e1e4ff;border-radius:7px;color:var(--accent-dark);font-size:12px}.progress-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.progress-track{height:7px;overflow:hidden;background:#dfe3fb;border-radius:99px}.progress-track>div{height:100%;width:0;background:var(--accent);border-radius:inherit;transition:width .25s ease}.progress-wrap[hidden]{display:none}

.topbar{height:58px;padding:0 22px;gap:16px;overflow:hidden}.brand{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}.brand img{width:30px;height:30px;border-radius:8px;object-fit:cover}.site-nav{display:flex;align-items:center;gap:2px;min-width:0;flex:1;overflow-x:auto;scrollbar-width:none}.site-nav::-webkit-scrollbar{display:none}.site-nav a{flex:0 0 auto;white-space:nowrap;text-decoration:none;color:#596579;font-size:13px;padding:7px 8px;border-radius:7px}.site-nav a:hover,.site-nav a.active{color:var(--accent-dark);background:#eef0ff}.profile-link{flex:0 0 auto;color:#667085;text-decoration:none;font-size:12px}.profile-link:hover{color:var(--accent-dark)}.quota{border:0;cursor:pointer}.account-strip{display:flex;align-items:center;gap:20px;margin:20px 0 16px;padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:0 5px 20px rgba(38,55,91,.04)}.account-main{display:flex;flex-direction:column;gap:3px;min-width:0}.account-main strong{font-size:15px}.account-main #account-code{font-size:12px;color:var(--muted)}.account-remaining{margin-left:auto;display:flex;align-items:baseline;gap:8px;white-space:nowrap}.account-remaining small,.account-remaining span{font-size:11px;color:var(--muted)}.account-remaining strong{font-size:22px;color:var(--accent-dark)}.account-action{color:var(--accent-dark);font-size:12px;text-decoration:none;white-space:nowrap}.format-picker{display:flex;flex-wrap:wrap;gap:6px;margin-top:7px}.format-choice{border:1px solid #d5dce8;background:#fff;color:#667085;border-radius:6px;padding:7px 9px;font-size:12px}.format-choice.active{border-color:#aeb7fb;background:#eef0ff;color:var(--accent-dark);font-weight:750}.format-select{margin-top:6px;padding:7px 9px;font-size:12px}.format-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:-7px 0 14px;color:var(--muted);font-size:12px}.format-tabs{margin:0;padding:0;border:0}.format-tab{padding:6px 9px}.result-heading-actions{display:flex;align-items:center;gap:10px;margin-top:8px}.result-heading-actions .result-meta{margin-top:0}.copy-button,.copy-ref{border:1px solid #cfd6e4;background:#fff;color:var(--accent-dark);border-radius:6px;padding:6px 9px;font-size:12px;white-space:nowrap}.copy-button:hover,.copy-ref:hover{background:#eef0ff;border-color:#aeb7fb}.copy-button[hidden]{display:none}.copy-status{font-size:12px;color:var(--green);white-space:nowrap}.ref-level{color:#7357a5;font-weight:700}.copy-ref{padding:3px 7px;font-size:11px}.promo-section{max-width:1440px;margin:28px auto 0;padding:0 4vw 60px}.promo-banner{display:flex;align-items:center;gap:16px;padding:18px 22px;background:linear-gradient(110deg,#202b59,#3d4db8);border-radius:10px;color:#fff}.promo-banner>img{width:48px;height:48px;border-radius:12px;object-fit:cover}.promo-banner h2{margin:3px 0 4px;font-size:18px}.promo-banner p{margin:0;color:#dce2ff;font-size:12px;line-height:1.6}.promo-banner .eyebrow{margin:0;color:#b8c0ff}.promo-cta{margin-left:auto;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.35);border-radius:6px;padding:8px 11px;font-size:12px;white-space:nowrap}.promo-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-top:12px}.promo-card{display:flex;align-items:center;gap:9px;min-width:0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);text-decoration:none}.promo-card:hover{border-color:#aeb7fb;background:#fafbff}.promo-card img{width:38px;height:38px;object-fit:cover;border-radius:8px;flex:0 0 auto}.promo-card span{min-width:0}.promo-card strong,.promo-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.promo-card strong{font-size:12px}.promo-card small{font-size:10px;color:var(--muted);margin-top:3px}
@media(max-width:1100px){.site-nav a{padding-left:6px;padding-right:6px;font-size:12px}.profile-link{display:none}.promo-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:850px){.topbar{padding:0 14px;gap:10px}.site-nav{order:3;flex-basis:100%;height:34px}.topbar{height:auto;min-height:58px;flex-wrap:wrap;padding-top:8px;padding-bottom:7px}.top-actions{margin-left:auto}.account-strip{align-items:flex-start;flex-wrap:wrap;gap:12px}.account-remaining{margin-left:0}.promo-banner{align-items:flex-start;flex-wrap:wrap}.promo-cta{margin-left:64px}.promo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.topbar .brand{font-size:16px}.quota{font-size:11px;padding:6px 8px}.account-action{width:100%}.promo-section{padding-left:14px;padding-right:14px}.promo-grid{grid-template-columns:1fr}.promo-banner h2{font-size:16px}.promo-cta{margin-left:64px}}

/* Keep every section reachable when the desktop nav outgrows the viewport. */
.page-jumps{display:flex;align-items:center;gap:4px;min-width:0;overflow-x:auto;overflow-y:hidden;white-space:nowrap;scrollbar-width:thin;margin-left:10px}
.page-jumps a{flex:0 0 auto;color:#667085;text-decoration:none;font-size:12px;font-weight:700;padding:7px 9px;border-radius:6px}
.page-jumps a:hover,.page-jumps a:focus-visible{color:var(--accent-dark);background:#f1f3ff;outline:0}
.page-jumps .jump-top{color:var(--accent-dark);background:#f1f3ff}
@media(max-width:700px){.topbar{height:auto;min-height:58px;flex-wrap:wrap;padding-top:9px;padding-bottom:9px;gap:8px}.page-jumps{order:3;flex:1 1 100%;margin-left:0;padding-bottom:2px}.top-actions{margin-left:auto}}