:root{--yellow:#ffb800;--bright:#ffc933;--deep:#e09000;--soft:#fffbf0;--pale:#fff6e0;--gray:#f7f7f8;--title:#1a1a1a;--text:#333;--muted:#666;--line:rgba(0,0,0,.08);--yline:rgba(255,184,0,.18);--max:1280px;--shadow:0 14px 40px rgba(30,25,10,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.topbar{position:fixed;inset:0 0 auto;height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);z-index:80;backdrop-filter:blur(12px)}.navwrap{max-width:var(--max);height:100%;margin:auto;padding:0 18px;display:flex;align-items:center;gap:16px}.logo{min-width:110px;font-size:22px;color:var(--title);display:flex;align-items:center}.logo-img{max-width:142px;height:34px;object-fit:contain}.desktop-nav{display:flex;gap:3px;flex:1}.desktop-nav a,.actions>a{min-height:44px;padding:10px 12px;display:flex;align-items:center;white-space:nowrap;border-radius:999px}.desktop-nav a.current,.desktop-nav a:hover{background:var(--pale);box-shadow:inset 0 -2px 0 var(--yellow)}.actions{display:flex;align-items:center;gap:7px}.round{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:50%;display:grid;place-items:center}.menu-open{display:none;gap:4px;align-content:center}.menu-open i{display:block;width:16px;height:2px;background:#222}.app-pill,.mobile-app{background:linear-gradient(135deg,var(--bright),var(--yellow) 55%,var(--deep));font-weight:800;border-radius:999px!important}.mobile-app{display:none;padding:9px 14px}.site-main{padding-top:72px}.wrap{width:min(calc(100% - 30px),var(--max));margin:auto}.section{padding:64px 0}.soft{background:var(--soft)}.gray{background:var(--gray)}h1,h2,h3{color:var(--title);line-height:1.25;margin-top:0}h1{font-size:clamp(32px,5vw,56px);letter-spacing:-.03em}h2{font-size:clamp(24px,3vw,36px)}h3{font-size:19px}p{margin:0 0 15px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#8a6200;font-weight:800;font-size:12px;letter-spacing:.1em}.eyebrow:before{content:"";width:18px;height:3px;background:var(--yellow);border-radius:3px}.lead{font-size:18px;color:#555;max-width:840px}.hero{padding:34px 0}.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:26px}.hero-media{min-height:340px;background:var(--pale);border:1px solid var(--yline);border-radius:24px;display:grid;place-items:center;overflow:hidden}.hero-media img{width:100%;height:100%;max-height:520px;object-fit:contain}.hero-copy{padding:30px;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center}.hero-links{border-top:1px solid var(--line);margin-top:24px}.hero-links a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:700}.buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{min-height:44px;padding:10px 18px;border-radius:999px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line)}.btn.primary{background:linear-gradient(135deg,var(--bright),var(--yellow) 55%,var(--deep));border:0}.quick{border-block:1px solid var(--line)}.quick .wrap{display:flex;gap:8px;overflow-x:auto;padding-block:12px}.quick a{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:7px 12px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:26px}.section-head p{max-width:680px;color:var(--muted)}.grid2,.grid3,.grid4,.grid5,.grid8{display:grid;gap:14px}.grid2{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(3,1fr)}.grid4{grid-template-columns:repeat(4,1fr)}.grid5{grid-template-columns:repeat(5,1fr)}.grid8{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.card.yellow{background:var(--soft);border-color:var(--yline)}.num{font-size:42px;font-weight:900;color:var(--yellow);line-height:1}.rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);overflow-x:auto;gap:14px;padding-bottom:8px}.rail .card{min-height:220px}.folder{border-radius:12px 22px 22px;background:var(--soft);position:relative}.folder:before{content:"";position:absolute;top:-7px;left:20px;width:70px;height:8px;background:var(--bright);border-radius:6px 6px 0 0}.timeline{border-left:2px solid var(--yellow);margin-left:10px}.timeline article{padding:0 0 24px 26px;position:relative}.timeline article:before{content:"";position:absolute;left:-8px;top:5px;width:14px;height:14px;background:#fff;border:4px solid var(--yellow);border-radius:50%}.page-hero{padding:54px 0 36px;background:linear-gradient(180deg,var(--soft),#fff)}.page-hero .wrap{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:center}.page-art{min-height:240px;background:var(--pale);border:1px solid var(--yline);border-radius:24px;display:grid;place-items:center;overflow:hidden}.page-art img{max-width:100%;max-height:340px;object-fit:contain}.article{max-width:940px;margin:auto}.article p{font-size:17px;line-height:1.9}.note{padding:18px 20px;background:var(--soft);border-left:4px solid var(--yellow);border-radius:0 12px 12px 0}.faq details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 18px;margin-bottom:10px}.faq summary{font-weight:800;padding:16px 0;cursor:pointer}.app-dark{background:#1a1a1a;color:#f4f4f4}.app-dark h2,.app-dark h3{color:#fff}.app-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}.app-media{min-height:320px;border:1px solid rgba(255,255,255,.15);border-radius:24px;display:grid;place-items:center;overflow:hidden}.app-media img{max-width:100%;max-height:420px;object-fit:contain}.app-icon{width:64px;height:64px;object-fit:contain}.footer{background:#1a1a1a;color:#eee;padding:54px 0 24px}.foot-brand{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}.foot-logo{display:flex;align-items:center;gap:14px;letter-spacing:.1em}.footer-logo{max-width:150px;height:34px;object-fit:contain}.foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:30px 0}.foot-grid h2{font-size:15px;color:#fff}.foot-grid a{display:block;color:#bbb;padding:4px 0}.foot-note,.copy{color:#aaa;font-size:14px}.overlay{position:fixed;inset:0;background:rgba(25,20,5,.42);z-index:100;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.channel{position:fixed;top:0;right:0;bottom:0;width:min(460px,88vw);background:#fff;z-index:110;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:.24s}.channel.open{transform:none;visibility:visible;pointer-events:auto}.panel-head{height:72px;padding:0 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.panel-head>div{display:flex;align-items:center;gap:10px}.panel-logo{max-width:120px;height:30px;object-fit:contain}.panel-close,.search-close{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:26px}.panel-body{height:calc(100vh - 72px);overflow-y:auto;padding:16px}.panel-body section{padding:8px 0 16px}.panel-body section h2{font-size:14px;color:#8a6200}.panel-body a{display:block;padding:11px 6px;border-bottom:1px solid var(--line)}.panel-body b,.panel-body span{display:block}.panel-body span{color:#666;font-size:13px}.search-panel{position:fixed;top:72px;left:0;right:0;z-index:105;background:#fff;box-shadow:var(--shadow);transform:translateY(-120%);visibility:hidden;pointer-events:none;transition:.2s}.search-panel.open{transform:none;visibility:visible;pointer-events:auto}.search-card{max-width:1080px;margin:auto;padding:24px}.search-head{display:flex;justify-content:space-between;gap:20px}.search-card input{width:100%;height:50px;border:1px solid #ccc;border-radius:14px;padding:0 15px}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-links a{background:var(--soft);border:1px solid var(--yline);border-radius:999px;padding:7px 11px}.mobile-bottom{display:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(255,184,0,.45);outline-offset:3px}@media(max-width:900px){.topbar{height:64px}.site-main{padding-top:64px;padding-bottom:74px}.desktop-nav,.actions{display:none}.menu-open{display:grid}.mobile-app{display:inline-flex}.navwrap{justify-content:space-between}.logo{flex:1;justify-content:center;min-width:0}.logo-img{height:30px;max-width:130px}.hero-grid,.page-hero .wrap,.app-grid,.foot-brand{grid-template-columns:1fr}.hero-copy{order:-1}.grid4,.grid5,.grid8{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(2,1fr)}.foot-grid{grid-template-columns:repeat(2,1fr)}.search-panel{top:0;bottom:0;background:var(--soft);overflow-y:auto}.mobile-bottom{position:fixed;left:12px;right:12px;bottom:max(8px,env(safe-area-inset-bottom));height:56px;display:grid;grid-template-columns:repeat(5,1fr);gap:4px;padding:5px;background:rgba(26,26,26,.96);border-radius:18px;z-index:70}.mobile-bottom a{display:grid;place-items:center;color:#ddd;font-size:12px;border-radius:12px}.mobile-bottom a.current{background:var(--yellow);color:#1a1a1a;font-weight:800}}@media(max-width:560px){.section{padding:48px 0}.grid2,.grid3,.grid4,.grid8,.foot-grid{grid-template-columns:1fr}.grid5{grid-template-columns:repeat(2,1fr)}.section-head{align-items:start;flex-direction:column}.hero-media{min-height:220px}.hero-copy{padding:22px}.rail{grid-auto-columns:82%}.wrap{width:min(calc(100% - 28px),var(--max))}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}