:root{color-scheme:light;--bg:#fff;--bg-soft:#f8fafc;--panel:#fff;--panel-2:#f8fafc;--line:#e2e8f0;--line-strong:#cbd5e1;--text:#0f172a;--muted:#64748b;--red:#dc2626;--red-dark:#b91c1c;--red-soft:#fef2f2;--blue:#1e3a8a;--blue-soft:#eff6ff;--amber:#f59e0b;--amber-soft:#fffbeb;--green:#059669;--radius:22px;--shadow:0 18px 45px #0f172a14;--shadow-sm:0 5px 18px #0f172a0f;--wrap:min(1408px, calc(100% - 64px));font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{color:inherit}img,canvas{max-width:100%}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.035em;font-size:clamp(2.25rem,3.4vw,3rem);line-height:1.12}h2{letter-spacing:-.02em;font-size:clamp(1.45rem,2.4vw,2.05rem);line-height:1.25}h3{font-size:1.08rem}.wrap{width:var(--wrap);margin-inline:auto}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:999;background:var(--red);color:#fff;border-radius:8px;padding:10px 14px;position:fixed;top:-80px;left:16px}.skip-link:focus{top:16px}.eyebrow,.page-kicker{color:var(--red);letter-spacing:.14em;text-transform:uppercase;font-size:.73rem;font-weight:800}.page-kicker{padding-top:34px}.muted{color:var(--muted)}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow-sm)}.button{border:1px solid var(--red);background:var(--red);color:#fff;cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:10px 19px;font-weight:800;transition:all .2s;display:inline-flex;box-shadow:0 8px 18px #dc26262e}.button:hover{background:var(--red-dark);transform:translateY(-1px)}.button.ghost{color:var(--text);border-color:var(--line-strong);box-shadow:none;background:#fff}.button.ghost:hover{color:var(--red);background:var(--red-soft);border-color:#fecaca}.button[disabled]{opacity:.52;cursor:not-allowed;transform:none}.inline-error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-top:14px;padding:10px 12px}.status-pill{color:#fff;background:var(--red);border-radius:999px;align-items:center;gap:7px;padding:7px 11px;font-size:.75rem;font-weight:800;display:inline-flex}.status-pill:before{content:"";background:#fff;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #fff3}.site-header{z-index:50;backdrop-filter:blur(14px);background:#fffffff0;border-bottom:1px solid #e2e8f0e6;position:sticky;top:0;box-shadow:0 3px 16px #0f172a0a}.header-inner{justify-content:space-between;align-items:center;gap:28px;min-height:72px;display:flex}.brand{align-items:center;gap:10px;display:inline-flex}.brand>span:last-child{line-height:1.1;display:grid}.brand strong{color:var(--text);letter-spacing:-.02em;font-size:1.05rem}.brand small{color:var(--muted);margin-top:4px;font-size:.68rem}.brand-mark{color:#fff;background:linear-gradient(135deg, var(--red), #ef4444 52%, var(--blue) 53%);border-radius:13px;place-items:center;width:42px;height:42px;font-size:.8rem;font-weight:900;display:grid;box-shadow:0 7px 18px #dc262633}.brand-mark i{display:none}.primary-nav{align-items:center;gap:4px;display:flex}.primary-nav a{color:#475569;border-radius:9px;align-items:center;min-height:42px;padding:0 12px;font-size:.9rem;font-weight:650;display:flex}.primary-nav a:hover,.primary-nav a[aria-current=page]{color:var(--red);background:var(--red-soft)}.nav-toggle{border:1px solid var(--line);background:#fff;border-radius:10px;width:44px;height:44px;padding:10px;display:none}.nav-toggle b{background:var(--text);height:2px;margin:5px 0;display:block}.hero{background:linear-gradient(135deg,#fff5f5 0%,#fff 50%,#fffbeb 100%);border-bottom:1px solid #f1f5f9;padding:72px 0 66px}.hero-grid{grid-template-columns:minmax(0,1fr) minmax(520px,.95fr);align-items:center;gap:56px;display:grid}.hero-copy .hero-badge{color:var(--red);box-shadow:var(--shadow-sm);background:#fff;border:1px solid #fecaca;border-radius:999px;align-items:center;gap:8px;margin-bottom:18px;padding:8px 13px;font-size:.82rem;font-weight:750;display:inline-flex}.hero-badge:before{content:"";background:var(--red);border-radius:50%;width:9px;height:9px}.hero-copy h1{margin-bottom:22px}.hero-copy h1 span{color:var(--red);display:block}.hero-copy>p{color:#475569;max-width:690px;font-size:1.03rem;line-height:1.85}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.hero-actions .soft-blue{color:var(--blue);background:var(--blue-soft);box-shadow:none;border-color:#bfdbfe}.hero-metrics{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px;display:grid}.hero-metric{border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;border-radius:16px;padding:15px 16px}.hero-metric span{color:var(--muted);font-size:.76rem}.hero-metric strong{margin-top:5px;font-size:1.22rem;display:block}.hero-metric small{color:var(--muted);margin-top:3px;display:block}.draw-panel{border-radius:26px;padding:0;overflow:hidden;box-shadow:0 24px 54px #0f172a21}.draw-head{color:#fff;background:#111827;justify-content:space-between;align-items:center;gap:18px;padding:18px 22px;display:flex}.draw-head .eyebrow{color:#cbd5e1}.draw-head h2{color:#fff;margin:3px 0 0;font-size:1.18rem}.draw-content{background:#fff;place-items:center;min-height:205px;padding:28px 22px 20px;display:grid}.number-line{flex-wrap:wrap;justify-content:center;align-items:center;gap:11px;display:flex}.number-line i{color:#94a3b8;font-size:1.35rem;font-style:normal}.ball{color:#fff;background:var(--red);border:0;border-radius:16px;place-items:center;width:56px;height:56px;font-size:1.5rem;font-style:normal;font-weight:850;display:inline-grid;box-shadow:0 8px 18px #dc26263d}.ball:nth-of-type(2){background:var(--blue);box-shadow:0 8px 18px #1e3a8a38}.ball:nth-of-type(3){background:var(--amber);box-shadow:0 8px 18px #f59e0b38}.ball.sum{min-width:68px;color:var(--text);border:1px solid var(--line-strong);box-shadow:var(--shadow-sm);background:#fff}.draw-tags{grid-template-columns:repeat(4,1fr);gap:9px;width:100%;margin-top:25px;display:grid}.draw-tags span{text-align:center;color:var(--text);border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px;font-size:.82rem;font-weight:750}.next-line{border-top:1px solid var(--line);color:var(--muted);background:#fff;grid-template-columns:repeat(3,1fr);gap:10px;padding:16px 22px 20px;font-size:.8rem;display:grid}.next-line span{background:var(--bg-soft);border-radius:11px;padding:11px 12px}.next-line b{color:var(--text)}.next-line .countdown{color:var(--red);font-variant-numeric:tabular-nums}.feature-section{background:#fff;padding:48px 0}.quick-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.quick-card{border:1px solid 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72px}.dashboard-title{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.dashboard-title h2{margin:6px 0 0}.dashboard-title a{color:var(--blue);font-size:.84rem;font-weight:800}.dashboard-grid{grid-template-columns:minmax(0,2fr) minmax(310px,1fr);align-items:start;gap:20px;display:grid}.dashboard-grid>*,.content-grid>*,.chart-grid>*{min-width:0}.results-panel{padding:24px}.section-head,.scratch-toolbar{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.section-head{margin-bottom:20px}.section-head h2,.scratch-toolbar h2{margin:4px 0 0}.section-head>a{color:var(--red);font-size:.84rem;font-weight:800}.table-scroll{overflow-x:auto}table{border-collapse:collapse;white-space:nowrap;width:100%}th{color:#475569;border-bottom:1px solid var(--line);background:var(--bg-soft);text-align:left;letter-spacing:.04em;padding:11px 12px;font-size:.72rem}td{border-bottom:1px solid var(--line);color:#475569;padding:13px 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span{background:#ffffff1a;border-radius:10px;padding:10px;font-size:.75rem}.trend-notes{padding:22px}.trend-notes ul{margin:12px 0 0;padding:0;list-style:none}.trend-notes li{color:var(--muted);padding:7px 0 7px 18px;font-size:.84rem;position:relative}.trend-notes li:before{content:"";background:var(--red);border-radius:50%;width:7px;height:7px;position:absolute;top:15px;left:0}.advantages{background:#fff;padding:70px 0}.advantages-grid{grid-template-columns:1fr .95fr;align-items:center;gap:50px;display:grid}.advantage-copy>p{color:var(--muted)}.content-grid{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.info-card{padding:22px}.info-card h3{color:var(--text)}.info-card p,.info-card li{color:var(--muted);font-size:.88rem}.info-card ul{padding-left:18px}.data-illustration{color:#fff;min-height:380px;box-shadow:var(--shadow);background:linear-gradient(145deg,#111827,#1e3a8a);border-radius:26px;padding:28px;position:relative;overflow:hidden}.data-illustration:before{content:"";background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0}.data-illustration>*{position:relative}.chart-faux{align-items:end;gap:10px;height:160px;margin-top:50px;display:flex}.chart-faux i{height:var(--h);background:linear-gradient(#60a5fa,#2563eb);border-radius:7px 7px 0 0;flex:1}.illustration-stats{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px;display:grid}.illustration-stats span{background:#ffffff17;border:1px solid #ffffff1a;border-radius:12px;padding:13px}.illustration-stats b{margin-top:3px;font-size:1.2rem;display:block}.news-strip{color:#fff;background:linear-gradient(135deg,#111827,#1e293b 58%,#172554);padding:55px 0}.news-strip .eyebrow{color:#fbbf24}.news-strip h2{color:#fff;margin:6px 0 22px}.news-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.news-card{background:#ffffff12;border:1px solid #ffffff1a;border-radius:16px;padding:20px}.news-card h3{margin-bottom:8px}.news-card p{color:#cbd5e1;margin:0;font-size:.85rem}.ad-slot{color:#94a3b8;border:1px dashed var(--line-strong);background:#fff;border-radius:14px;align-content:center;place-items:center;min-height:90px;margin-top:20px;display:grid}.ad-slot span{letter-spacing:.2em;font-size:.7rem}.ad-slot small{margin-top:5px}.page-hero{background:linear-gradient(135deg,var(--red-soft),#fff 55%,var(--amber-soft));padding:60px 0 32px}.page-hero.slim{padding-bottom:28px}.page-hero h1{max-width:860px;font-size:clamp(2.1rem,4vw,3.8rem)}.page-hero p{max-width:780px;color:var(--muted);font-size:1.02rem}.content-section{padding:34px 0 76px}.prose{max-width:820px}.prose h2{margin-top:40px}.prose p,.prose li{color:#475569}.notice{border-left:3px solid var(--red);background:var(--red-soft);color:#7f1d1d;border-radius:0 12px 12px 0;padding:18px 20px}.toolbar{flex-wrap:wrap;align-items:end;gap:12px;margin:18px 0;display:flex}.field{color:var(--muted);gap:6px;font-size:.78rem;display:grid}.field input,.field select{min-width:140px;min-height:44px;color:var(--text);border:1px solid var(--line-strong);background:#fff;border-radius:9px;padding:8px 11px}.field input:focus,.field select:focus{outline:2px solid var(--red);outline-offset:2px}.pagination{flex-wrap:wrap;align-items:center;gap:8px;margin-top:20px;display:flex}.pagination button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:9px;min-width:42px;min-height:42px;padding:7px}.pagination button[aria-current=page]{color:#fff;background:var(--red)}.chart-grid{grid-template-columns:repeat(2,1fr);gap:18px;display:grid}.chart-card{padding:22px}.chart{width:100%;height:330px}.omission-grid{grid-template-columns:repeat(14,1fr);gap:7px;display:grid}.omission-cell{border:1px solid var(--line);background:#fff;border-radius:9px;place-items:center;min-height:54px;display:grid}.omission-cell b{color:var(--blue)}.omission-cell small{color:var(--muted)}.metric-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.metric{padding:20px}.metric strong{color:var(--red);margin:10px 0 4px;font-size:2.2rem;display:block}.metric small{color:var(--muted)}.prediction-box{padding:28px}.prediction-result{gap:14px;margin:20px 0;display:flex}.prediction-result strong{text-align:center;color:#fff;background:var(--red);border-radius:14px;min-width:100px;padding:18px;font-size:1.55rem}.prediction-result strong:last-child{background:var(--blue)}.chat-shell{grid-template-columns:1fr 300px;min-height:620px;display:grid;overflow:hidden}.chat-main{grid-template-rows:auto 1fr auto;min-width:0;display:grid}.chat-head{border-bottom:1px solid var(--line);padding:18px 22px}.chat-messages{background:var(--bg-soft);min-height:360px;max-height:520px;padding:20px;overflow-y:auto}.message{max-width:78%;margin-bottom:14px}.message header{color:var(--muted);gap:8px;font-size:.72rem;display:flex}.message p{background:var(--blue-soft);border-radius:5px 13px 13px;margin:4px 0 0;padding:10px 13px}.message.system{text-align:center;max-width:100%;color:var(--muted);font-size:.8rem}.chat-form{border-top:1px solid var(--line);grid-template-columns:150px 1fr auto;gap:9px;padding:16px;display:grid}.chat-form input{min-width:0;min-height:46px;color:var(--text);border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px 12px}.chat-side{border-left:1px solid var(--line);background:#fff;padding:22px}.emoji-row{flex-wrap:wrap;gap:6px;display:flex}.emoji-row button{border:1px solid var(--line);background:var(--bg-soft);cursor:pointer;border-radius:8px;width:38px;height:38px}.scratch-section{padding:24px}.scratch-dialog{border:1px solid var(--line);width:min(720px,100% - 28px);color:var(--text);background:#fff;border-radius:20px;padding:0;box-shadow:0 40px 100px #0005}.scratch-dialog::backdrop{backdrop-filter:blur(7px);background:#0f172a99}.scratch-card{padding:24px}.icon-button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:11px;width:44px;height:44px;font-size:1.7rem}.scratch-stage{aspect-ratio:16/7;background:var(--red-soft);border-radius:16px;margin:20px 0;position:relative;overflow:hidden}.scratch-result{text-align:center;place-content:center;gap:8px;display:grid;position:absolute;inset:0}.scratch-result small{color:var(--muted)}.scratch-result strong{color:var(--red);font-size:clamp(1.5rem,6vw,3rem)}.scratch-result span{color:var(--blue)}.scratch-stage canvas{touch-action:none;width:100%;height:100%;transition:opacity 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0;border-radius:0}.brand-mark:after{content:none}.brand-mark svg{width:29px;height:29px;overflow:visible}.brand-mark path{fill:#fff;stroke:#0f172a;stroke-width:1.6px;stroke-linejoin:round}.brand-mark circle{fill:#dc2626;stroke:#fff;stroke-width:2px}.brand strong{font-size:1.02rem;font-weight:850}.brand small{letter-spacing:.13em;margin-top:2px;font-size:.56rem;font-weight:750}.primary-nav{gap:2px}.primary-nav a,.more-nav summary{color:#475569;cursor:pointer;border-radius:12px;align-items:center;min-height:40px;padding:0 15px;font-size:.875rem;font-weight:600;list-style:none;display:flex}.primary-nav a:hover,.primary-nav a[aria-current=page],.more-nav summary:hover{color:var(--red);background:#f8fafc}.more-nav{position:relative}.more-nav summary::-webkit-details-marker{display:none}.more-nav summary span{color:#94a3b8;margin-left:7px;font-size:.8rem}.more-nav>div{z-index:60;border:1px solid var(--line);background:#fff;border-radius:16px;width:190px;padding:8px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 18px 50px #0f172a26}.more-nav>div a{min-height:42px}.hero{background:linear-gradient(135deg,#fff5f5 0%,#fff 54%,#fffbeb 100%);padding:64px 0}.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px}.hero-copy{padding-right:8px}.hero-copy .hero-badge{border-radius:999px;margin-bottom:18px;padding:7px 14px;font-size:.8rem;box-shadow:0 1px 3px #0f172a14}.hero-badge:before{width:8px;height:8px}.hero-copy h1{max-width:690px;margin-bottom:18px;font-size:clamp(2.4rem,3.5vw,3.1rem);line-height:1.09}.hero-copy>p{max-width:700px;font-size:1rem;line-height:1.75}.hero-actions{gap:10px;margin-top:26px}.hero-actions .button{border-radius:12px;min-height:46px;padding-inline:20px;font-size:.86rem}.hero-metrics{gap:14px;margin-top:28px}.hero-metric{border-radius:16px;min-height:116px;padding:16px;box-shadow:0 1px 3px #0f172a12}.hero-metric 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