:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-bg:#f4f4f0;--color-surface:#fbfbf8;--color-surface-subtle:#ecece7;--color-surface-raised:#fff;--color-text:#1e211f;--color-text-soft:#4f5551;--color-muted:#585e5a;--color-faint:#606662;--color-line:#d5d7d2;--color-line-strong:#bfc2bc;--color-accent:#ad4033;--color-accent-hover:#933428;--color-accent-soft:#f2dfda;--color-forest:#315b49;--color-forest-soft:#dce7e0;--color-header:#f4f4f0;--color-player:#192720;--color-player-text:#fff;--color-player-muted:#b8c2bc;--color-player-error:#ffc0b7;--shadow-card:0 8px 24px #1a1d1b0f;--shadow-player:0 10px 28px #141b1638;--focus-ring:#ad4033;--font-sans:var(--font-geist-sans), "PingFang SC", "Microsoft YaHei", sans-serif;--font-serif:Georgia, "Songti SC", "STSong", serif;--font-mono:var(--font-geist-mono), "SFMono-Regular", Consolas, monospace;--font-display:var(--font-sans);--container:1120px;--header-height:60px;--radius-card:5px;--radius-control:4px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:72px;--duration-fast:.16s;--duration-normal:.24s;--ease-out:cubic-bezier(.22, 1, .36, 1)}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--color-bg:#191b1a;--color-surface:#202321;--color-surface-subtle:#292c29;--color-surface-raised:#242520;--color-text:#f1eee5;--color-text-soft:#cbc8bf;--color-muted:#aaa69c;--color-faint:#aaa69c;--color-line:#39382f;--color-line-strong:#4b493f;--color-accent:#e07061;--color-accent-hover:#ef8a7d;--color-accent-soft:#3c2926;--color-forest:#85b49a;--color-forest-soft:#273b31;--color-header:#191b1a;--color-player:#e8e4d9;--color-player-text:#1d211e;--color-player-muted:#616861;--color-player-error:#8f2f25;--shadow-card:0 18px 48px #00000038;--shadow-player:0 18px 48px #00000061;--focus-ring:#ff7552}*,:before,:after{box-sizing:border-box}h1,h2,h3,h4,h5,h6,p,blockquote,figure,dl,dd,ol,ul{margin:0}ol,ul{padding:0;list-style:none}img,svg,video,canvas,audio,iframe{display:block}img,video{max-width:100%}button,input,textarea,select{font:inherit}html{background:var(--color-bg)}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);min-width:0;margin:0;line-height:1.5;transition:background-color .22s,color .22s}.sr-only{clip:rect(0, 0, 0, 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:is(button:focus-visible,a:focus-visible,input:focus-visible){outline:2px solid var(--focus-ring);outline-offset:3px}.skip-link{background:var(--color-text);border-radius:0 0 var(--radius-control) 0;color:var(--color-bg);transition:transform var(--duration-fast) var(--ease-out);z-index:100;padding:10px 14px;font-size:13px;font-weight:650;position:fixed;top:0;left:0;transform:translateY(-120%)}.skip-link:focus{outline-offset:-3px;transform:translateY(0)}#main-content:focus{outline:none}.site-header{background:var(--color-header);border-bottom:1px solid var(--color-line);height:var(--header-height);z-index:50;position:sticky;top:0}.site-header-inner{height:100%;max-width:var(--container);grid-template-columns:auto minmax(0,1fr) auto;align-items:stretch;gap:24px;margin:0 auto;padding:0 28px;display:grid}.site-brand{justify-self:start;align-items:center;display:flex}.site-brand strong{letter-spacing:.02em;transition:color var(--duration-fast) ease;white-space:nowrap;font-size:14px;font-weight:650}.site-brand:hover strong{color:var(--color-accent)}.site-nav{justify-self:center;align-items:stretch;gap:26px;display:flex}.site-nav a{color:var(--color-muted);white-space:nowrap;align-items:center;font-size:13px;font-weight:560;transition:color .16s;display:flex;position:relative}.site-nav a:after{background:var(--color-accent);content:"";transform-origin:0;height:2px;transition:transform .22s var(--ease-out);width:100%;position:absolute;bottom:-1px;left:0;transform:scaleX(0)}.site-nav a:hover,.site-nav a.is-current{color:var(--color-text)}.site-nav a.is-current:after{transform:scaleX(1)}.site-nav a:hover:after{transform:scaleX(.32)}.site-nav a.is-current:hover:after{transform:scaleX(1)}.site-actions{justify-self:end;align-items:center;display:flex}.theme-toggle{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-control);color:var(--color-muted);cursor:pointer;height:34px;transition:border-color .18s ease, color .18s ease, transform .18s var(--ease-out), background-color .22s ease;justify-content:center;align-items:center;width:34px;display:inline-flex;position:relative;overflow:hidden}.theme-toggle:hover{border-color:var(--color-line-strong);color:var(--color-accent);transform:translateY(-1px)}.theme-icon{height:16px;transition:opacity .2s ease, transform .28s var(--ease-out);width:16px;position:absolute}.theme-icon-sun{opacity:1;transform:rotate(0)scale(1)}.theme-icon-moon{opacity:0;transform:rotate(-30deg)scale(.7)}:root[data-theme=dark] .theme-icon-sun{opacity:0;transform:rotate(35deg)scale(.7)}:root[data-theme=dark] .theme-icon-moon{opacity:1;transform:rotate(0)scale(1)}.site-footer{border-top:1px solid var(--color-line);color:var(--color-muted);max-width:var(--container);grid-template-columns:1fr auto;justify-content:space-between;align-items:center;gap:20px 32px;margin:0 auto;padding:32px 28px 40px;font-size:12px;display:grid}.footer-identity{gap:8px;display:grid}.footer-identity strong{color:var(--color-text);font-size:15px;font-weight:600}.footer-links{flex-wrap:wrap;gap:6px 20px;display:flex}.footer-links a{align-items:center;min-height:40px;padding:8px 0;font-size:13px;transition:color .16s;display:inline-flex}.footer-links a:hover{color:var(--color-accent)}.footer-update{grid-column:1/-1;font-size:12px}::selection{background:var(--color-accent-soft);color:var(--color-text)}.info-shell{flex-direction:column;min-height:100vh;display:flex}.info-shell .site-footer{width:100%}.info-page{flex:1;width:100%;max-width:820px;margin:0 auto;padding:64px 28px 96px}.info-heading{border-bottom:1px solid var(--color-line);padding-bottom:32px}.info-heading h1{font-family:var(--font-display);margin:0 0 18px;font-size:clamp(30px,3.4vw,36px);font-weight:650;line-height:1.4}.info-heading>p:not(.info-kicker){color:var(--color-text-soft);max-width:660px;margin:0;font-size:16px;line-height:1.85}.info-body section{margin-top:36px}.info-body h2{margin:0 0 14px;font-size:19px;font-weight:600}.info-body p,.info-body li{color:var(--color-text-soft);font-size:16px;line-height:1.95}.info-body p{margin:12px 0}.info-body ul{padding-left:0}.info-body li{background:linear-gradient(var(--color-accent), var(--color-accent)) no-repeat 0 .9em / 10px 2px;margin-bottom:12px;padding-left:20px}.info-body a{color:var(--color-text);text-underline-offset:4px;text-decoration:underline;-webkit-text-decoration-color:var(--color-line-strong);text-decoration-color:var(--color-line-strong);overflow-wrap:anywhere}.info-body a:hover{color:var(--color-accent)}.info-body .info-action{background:var(--color-text);color:var(--color-bg);border-radius:8px;padding:12px 20px;font-size:15px;text-decoration:none;display:inline-flex}.contact-address{border:1px solid var(--color-line);background:var(--color-surface);border-radius:var(--radius-card);padding:24px}.contact-address>span{color:var(--color-muted);margin-bottom:10px;font-size:13px;display:block}.contact-address>a{align-items:center;min-height:44px;font-size:clamp(20px,4vw,28px);display:inline-flex}@media (max-width:900px){.site-nav,.site-header-inner{gap:16px}}@media (max-width:720px){.site-footer{grid-template-columns:1fr}.info-page{padding:40px 20px 64px}:root{--header-height:102px}.site-header-inner{grid-template-rows:52px 50px;grid-template-columns:1fr auto;gap:0 14px;padding:0 20px}.site-nav{grid-area:2/1/auto/-1;grid-template-columns:repeat(3,1fr);place-self:stretch stretch;gap:8px;min-width:0;display:grid}.site-nav a{text-align:center;white-space:nowrap;justify-content:center;min-width:0;padding:0 4px;line-height:1}.site-actions{grid-area:1/2}.theme-toggle{width:44px;height:44px}}@media (max-width:470px){.site-header-inner{padding:0 16px}.site-footer{flex-direction:column;align-items:flex-start;gap:8px;padding-left:20px;padding-right:20px}.footer-links{column-gap:18px}.footer-links a{min-height:44px}.info-heading h1{font-size:30px;line-height:1.4}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}