:root{--ink:#0b0b0b;--muted:#6c6c6c;--paper:#fff;--soft:#f6f6f4;--line:#e8e8e5}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif}.site-header{height:64px;padding:0 3.5vw;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;font-weight:750;color:var(--ink);text-decoration:none}.brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#080808;color:#fff;font-family:Georgia,serif}.main-nav{display:flex;gap:28px}.main-nav a,.header-search{color:#202020;text-decoration:none;font-size:13px}.header-search{justify-self:end}.home-hero{min-height:560px;padding:110px 24px 100px;display:flex;flex-direction:column;align-items:center;text-align:center}.hero-kicker,.section-kicker,.card-code{font-size:11px;letter-spacing:.16em;font-weight:750;color:#777}.home-hero h1{font-size:clamp(50px,7vw,86px);line-height:1.04;letter-spacing:-.055em;margin:16px 0 25px}.hero-copy{color:var(--muted);font-size:16px;line-height:1.75;margin:0}.strategy-tags{max-width:850px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:38px}.strategy-pill{display:flex;align-items:center;gap:8px;padding:13px 20px;border-radius:8px;background:var(--soft);color:#222;text-decoration:none;font-size:14px;transition:.18s}.strategy-pill:hover{background:#111;color:#fff;transform:translateY(-2px)}.strategy-pill small{font-size:9px;color:#999}.strategy-pill:hover small{color:#bbb}.latest-section{max-width:1240px;margin:auto;padding:0 28px 110px}.section-title{display:flex;align-items:end;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;margin-bottom:24px}.section-title h2,.about-section h2{font-size:26px;margin:5px 0 0}.section-title>span{color:var(--muted);font-size:12px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{min-height:360px;background:var(--soft);padding:26px;color:inherit;text-decoration:none;display:flex;flex-direction:column;transition:.2s}.card:hover{background:#efefec;transform:translateY(-3px)}.card-top{display:flex;justify-content:space-between}.card-arrow{font-size:22px}.tag{display:inline-block;width:max-content;border:1px solid #d8d8d4;border-radius:99px;padding:6px 10px;font-size:11px}.card-code{margin:60px 0 7px}.card h3{font-size:28px;letter-spacing:-.03em;margin:0}.card-description{color:var(--muted);line-height:1.7;max-width:430px}.asof{font-size:12px;color:#888;margin-top:auto}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:23px;padding-top:18px;border-top:1px solid #ddd}.metric span{display:block;color:#888;font-size:11px;margin-bottom:6px}.metric strong{font-size:19px}.about-section{max-width:800px;margin:0 auto 130px;padding:80px 28px;border-top:1px solid var(--line);text-align:center}.about-section h2{font-size:36px;letter-spacing:-.035em}.about-section>p:last-child{color:var(--muted);font-size:16px;line-height:1.9}footer{border-top:1px solid var(--line);padding:28px 3.5vw;display:flex;justify-content:space-between;color:#777;font-size:11px}.detail-shell{max-width:1180px;margin:auto;padding:88px 28px 120px}.detail-head{max-width:860px;margin-bottom:54px}.detail-head h1,.planned-page h1{font-size:clamp(48px,6vw,76px);letter-spacing:-.055em;line-height:1.05;margin:18px 0}.detail-intro,.planned-page>p{font-size:18px;line-height:1.8;color:var(--muted);max-width:720px}.meta{color:#888;font-size:12px;margin-top:24px}.detail-head .metrics{max-width:680px;margin-top:38px}.detail-head .metric strong{font-size:30px}.panel{border-top:1px solid var(--line);padding:34px 0;margin-top:36px}.panel-head{display:flex;justify-content:space-between;align-items:center}.panel h2{font-size:24px;margin:0 0 20px}.chart-wrap{height:450px}.range-buttons{display:flex;gap:7px}.range-buttons button{border:0;background:var(--soft);padding:8px 13px;border-radius:6px;cursor:pointer}.range-buttons button.active{background:#111;color:#fff}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.prose{white-space:pre-wrap;line-height:1.9;color:#4e4e4e}.notice{background:var(--soft);padding:20px;line-height:1.8;color:#555}.fatal{margin:80px auto;max-width:900px}.planned-page{min-height:540px;display:flex;flex-direction:column;justify-content:center}.planned-badge{width:max-content;margin:15px 0 40px;padding:12px 16px;background:var(--soft);border-radius:7px;color:#666}.text-link{color:#111;text-underline-offset:4px}.loading{color:#888}@media(max-width:800px){.site-header{grid-template-columns:1fr auto}.main-nav{display:none}.home-hero{min-height:520px;padding-top:85px}.cards{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr;gap:0}.panel-head{display:block}.range-buttons{margin-bottom:18px}footer{gap:18px;flex-direction:column}.header-search{font-size:12px}}@media(max-width:520px){.site-header{padding:0 16px}.brand>span:last-child{display:none}.home-hero h1{font-size:49px}.hero-copy br{display:none}.strategy-pill{padding:11px 14px}.latest-section{padding-left:16px;padding-right:16px}.section-title{align-items:start;gap:15px}.detail-shell{padding:58px 16px 90px}.detail-head .metrics{grid-template-columns:1fr}.chart-wrap{height:340px}}
.prose ul{padding-left:18px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{color:#777;font-size:11px;font-weight:750}
