:root{--surface:#f7f9fb;--ink:#182b3b;--muted:#536779;--accent:#174f78;--accent-hover:#113e60;--soft:#e9eff4;--border:#182b3b2b;--field-border:#182b3b99;--field:#fcfdfe;--error:#923d34;--shadow:#182b3b1a;--radius:4px;--font:Arial, "Microsoft YaHei", sans-serif;--nav-h:72px;--z-nav:20}*{box-sizing:border-box}html{scroll-padding-top:calc(var(--nav-h) + 24px);overflow-x:clip}body{background:var(--surface);color:var(--ink);font-family:var(--font);margin:0;font-size:16px;line-height:1.65;overflow-x:clip}main{outline:none}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}img{max-width:100%;height:auto;display:block}button,summary,a{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{overflow-wrap:anywhere;letter-spacing:-.025em;min-width:0;line-height:1.15}h1{font-size:clamp(2.125rem,4.2vw,4rem)}h2{font-size:clamp(1.875rem,3vw,2.75rem)}h3{font-size:1.5rem}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.container{width:min(1200px,100% - 80px);margin-inline:auto}.section{padding-block:88px}.button{border:1px solid var(--accent);border-radius:var(--radius);background:var(--accent);min-width:0;max-width:100%;min-height:48px;color:var(--surface);white-space:normal;overflow-wrap:anywhere;text-align:center;justify-content:center;align-items:center;gap:12px;padding:12px 22px;font-size:14px;font-weight:700;line-height:1.4;transition:background-color .16s;display:inline-flex}.button:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.button:active{transform:translateY(1px)}.button--secondary{color:var(--accent);background:0 0}.button--secondary:hover{background:var(--soft);border-color:var(--accent)}.button:disabled{cursor:default;opacity:.6;transform:none}.text-link{min-width:0;max-width:100%;min-height:44px;color:var(--accent);white-space:normal;overflow-wrap:anywhere;align-items:center;gap:12px;font-weight:700;display:inline-flex}.text-link:hover{text-underline-offset:5px;text-decoration:underline}.skip-link{z-index:100;background:var(--accent);color:var(--surface);padding:10px 18px;position:fixed;top:12px;left:12px;transform:translateY(-180%)}.skip-link:focus{transform:none}.site-header{z-index:var(--z-nav);min-height:var(--nav-h);background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0}.header-inner{min-height:var(--nav-h);align-items:center;gap:28px;min-width:0;display:flex}.wordmark{flex-direction:column;min-width:148px;line-height:1;display:flex}.wordmark-name{letter-spacing:-.055em;font-size:30px;font-weight:800}.wordmark-point{color:var(--accent)}.wordmark-description{letter-spacing:.08em;margin-top:4px;font-size:11px;font-weight:700}.desktop-nav{flex:auto;justify-content:center;align-items:center;gap:23px;min-width:0;margin-left:auto;display:flex}.desktop-nav a{white-space:normal;overflow-wrap:anywhere;align-items:center;min-width:0;min-height:44px;font-size:13px;font-weight:600;display:flex}.desktop-nav a:hover{color:var(--accent)}.desktop-nav a[aria-current],.mobile-menu nav a[aria-current]{color:var(--accent);text-underline-offset:6px;text-decoration:underline}.header-cta{max-width:190px;padding-inline:17px;font-size:12px}.language-switch{border:1px solid var(--border);border-radius:var(--radius);white-space:nowrap;flex-shrink:0;justify-content:center;align-items:center;min-width:44px;min-height:44px;font-size:13px;font-weight:700;display:inline-flex}.language-switch:hover{background:var(--soft);color:var(--accent)}.language-confirm{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:min(480px,100% - 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40px)}.section{padding-block:56px}.footer-main,.footer-bottom{flex-direction:column;align-items:flex-start;gap:20px}.footer-main{padding-block:36px}.footer-bottom{gap:4px}.button{padding-inline:18px}.language-confirm{padding:20px}.language-confirm-actions{flex-direction:column}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}