*{box-sizing:border-box}html{color-scheme:light;font-family:Arial,Helvetica,"Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;background:#f4faff;color:#15384a}body{margin:0}a{color:#096185;text-underline-offset:4px}a:hover{color:#034362}a:focus-visible{outline:3px solid #e8ad28;outline-offset:5px}header,main,footer{max-width:1120px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid #d7e5ed}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:#15384a;font-weight:700;font-size:18px}.brand img{border-radius:12px}.brand small{display:block;font-weight:400;font-size:13px;margin-top:5px;color:#506778}nav{display:flex;gap:24px;font-size:15px}nav a{text-decoration:none}.hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:58px 0}.eyebrow{font-size:13px;letter-spacing:.12em;font-weight:bold;color:#236783}h1{font-size:clamp(42px,6vw,68px);letter-spacing:-.045em;line-height:1.06;margin:20px 0 24px}p,li{font-size:17px;line-height:1.75}.intro{font-size:20px;color:#496372;max-width:440px}.hero-art{width:100%;height:auto;border-radius:26px;border:1px solid #d7e5ed;box-shadow:0 24px 65px #17476118}.button{display:inline-block;background:#123d56;color:#fff;text-decoration:none;font-weight:bold;border-radius:10px;padding:16px 23px;margin-top:12px}.button:hover{color:#fff;background:#205d7c}.note{font-size:14px;line-height:1.6;color:#5b7280;max-width:410px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;border-top:1px solid #d7e5ed;border-bottom:1px solid #d7e5ed;padding:34px 0}.number{font-size:14px;color:#287797}h2{font-size:24px;letter-spacing:-.025em;line-height:1.3}.features p{color:#496372}.support{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:42px 0 20px}.legal-links{display:flex;flex-direction:column;gap:18px;flex-shrink:0}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #d7e5ed;color:#526b7a;font-size:14px;padding-top:25px;padding-bottom:35px}footer div{display:flex;gap:20px}.document{max-width:820px;padding-top:54px;padding-bottom:64px}.document h1{font-size:48px}.document h2{margin-top:36px}.document section{margin-top:28px}.document .date{font-size:14px;color:#617682}.contact{border-top:1px solid #d7e5ed}.skip{position:absolute;left:16px;top:-100px;background:white;padding:12px;z-index:5}.skip:focus{top:10px}@media(max-width:760px){header,main,footer{padding:22px}header{flex-wrap:wrap}nav{gap:22px}.hero{grid-template-columns:1fr;padding:28px 0;gap:22px}.hero-art{max-width:560px}.features{grid-template-columns:1fr;gap:12px}.features article{max-width:520px}.support,footer{flex-direction:column;align-items:flex-start}.document{padding-top:36px}.document h1{font-size:40px}p,li{font-size:16px}footer div{flex-wrap:wrap}}.h1-en{display:block;font-size:clamp(20px,2.8vw,30px);font-weight:600;letter-spacing:-.01em;color:#496372;margin-top:18px}h1 span[lang="zh-Hans"]{letter-spacing:.01em}