:root{--background:#f4f9fd;--surface:#fff;--surface-blue:#e8f4fc;--surface-muted:#f0f7fc;--primary:#0ea5e9;--primary-strong:#0284c7;--primary-deep:#0369a1;--accent:#14b8a6;--accent-soft:#14b8a61f;--text:#0c1f33;--muted:#5a7189;--border:#d4e8f5;--shadow-sm:0 4px 16px #0c1f330f;--shadow-md:0 12px 40px #0c1f3314;--shadow-lg:0 24px 64px #0c1f331f;--radius:12px;--radius-lg:20px;--container:1140px;--header-h:72px}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}body{background:var(--background);color:var(--text);font-family:var(--font-noto), "PingFang SC", "Microsoft YaHei", sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible+label{outline-offset:3px;outline:3px solid 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var(--border);grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding-top:28px;display:grid}.stat{gap:4px;display:grid}.stat strong{color:var(--text);letter-spacing:-.03em;font-size:1.5rem;font-weight:800}.stat span{color:var(--muted);font-size:.82rem;font-weight:600}.hero__media{aspect-ratio:16/10;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.hero__media video{object-fit:cover;background:#06182b;width:100%;height:100%;display:block}.hero__media-badge{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);color:var(--primary-deep);background:#ffffffeb;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:.82rem;font-weight:700;display:inline-flex;position:absolute;bottom:16px;left:16px}.button{cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;min-height:50px;padding:14px 24px;font-size:.95rem;font-weight:700;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button--primary{background:linear-gradient(135deg, var(--primary), var(--primary-deep));color:#fff;box-shadow:0 8px 24px #0ea5e947}.button--primary:hover{box-shadow:0 12px 32px #0ea5e95c}.button--secondary{background:var(--surface);border-color:var(--border);box-shadow:var(--shadow-sm);color:var(--text)}.button--secondary:hover{border-color:#0ea5e959}.button--light{box-shadow:var(--shadow-sm);color:var(--primary-deep);background:#fff}.button--ghost{color:#fff;background:#ffffff1a;border-color:#ffffff40}.button--ghost:hover{background:#ffffff2e}.section{padding:96px max(24px, calc((100vw - var(--container)) / 2))}.section--tint{background:var(--surface-muted);border-block:1px solid var(--border)}.section--dark{color:#fff;background:linear-gradient(160deg,#0c1f33 0%,#0f2d4a 50%,#0a1929 100%)}.section--dark 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.nav-cta{text-align:center;margin-top:8px;margin-left:0}.nav-toggle:checked~.site-nav{opacity:1;pointer-events:auto;transform:translateY(0)}.nav-toggle:checked~.nav-toggle-btn .nav-icon-open{display:none}.nav-toggle:checked~.nav-toggle-btn .nav-icon-close{display:block}.hero{min-height:auto;padding-top:40px}.hero__actions,.cta-band__actions{flex-direction:column;width:100%}.button{width:100%}.value-grid,.pillar-grid,.partner-grid,.commitment-grid{grid-template-columns:1fr}.footer-columns{grid-template-columns:1fr 1fr}.section{padding-block:72px}}@media (max-width:480px){.site-header,.hero,.section,.site-footer,.cta-band,.policy-hero,.policy-content{padding-inline:18px}h1{font-size:2.1rem}.footer-columns{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}