:root{color-scheme:light;--ink: #173b64;--blue: #0873c9;--deep: #07549c;--sky: #e8f7ff;--orange: #ff861c;--yellow: #ffcc43;--line: #d4e9f6;--muted: #54708c;--btn: #b95300;--btn-shadow: #7a3400;--btn-hover: #9a4600}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7fcff;color:var(--ink);font-family:Noto Sans CJK SC,Microsoft YaHei,PingFang SC,system-ui,sans-serif;font-size:16px;line-height:1.65}a{color:inherit}.skip{position:absolute;top:-80px;left:16px;z-index:10;padding:10px 14px;background:#fff;border-radius:10px}.skip:focus{top:12px}.shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}.header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:1.35rem;font-weight:900;letter-spacing:.01em;color:var(--deep)}.brand img{width:53px;height:53px;object-fit:contain}.brand b{color:var(--orange)}.nav{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.nav a{text-decoration:none;padding:9px 14px;border-radius:999px;font-size:.94rem;font-weight:700}.nav a:hover,.nav a:focus-visible{background:var(--sky);color:var(--deep)}.nav .nav-cta{background:var(--btn);color:#fff;margin-left:7px;box-shadow:0 5px 0 var(--btn-shadow)}.nav .nav-cta:hover,.nav .nav-cta:focus-visible{background:var(--btn-hover);color:#fff}a:focus-visible{outline:3px solid #1259af;outline-offset:3px}.hero-wrap{background:linear-gradient(180deg,#e8f7ff,#effbff 68%,#f7fcff);padding:18px 0 24px}.hero{min-height:390px;border:1px solid #d4ebf8;border-radius:32px;background:radial-gradient(circle at 84% 14%,#fff2b9 0,#fff2b9 7%,transparent 7.2%),linear-gradient(110deg,#fff 10% 58%,#f4fbff);box-shadow:0 21px 45px #266ea41a;display:grid;grid-template-columns:1.04fr .96fr;gap:16px;overflow:hidden;position:relative}.hero-copy{padding:47px 0 40px clamp(34px,5vw,65px);position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border:1px solid #badff5;border-radius:999px;background:#f0faff;color:#1672ad;font-size:.87rem;font-weight:800;letter-spacing:.07em}.eyebrow:before{content:"★";color:#ffbd27;font-size:1rem}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.55rem,4.1vw,3.65rem);line-height:1.18;letter-spacing:-.045em;margin:16px 0 14px;font-weight:900}h1 .orange{color:var(--orange);display:block}.hero p{max-width:40ch;font-size:1rem;color:var(--muted);line-height:1.75;margin-bottom:19px}.actions{display:flex;flex-wrap:wrap;gap:13px}.button{display:inline-flex;min-height:48px;justify-content:center;align-items:center;padding:10px 22px;border-radius:999px;text-decoration:none;font-weight:800}.button.primary{background:var(--btn);color:#fff;box-shadow:0 6px 0 var(--btn-shadow)}.button.secondary{background:#fff;color:var(--deep);border:1.5px solid #abd7f2}.button:hover{transform:translateY(-2px)}.hero-visual{position:relative;min-height:390px;display:grid;place-items:center;overflow:hidden}.hero-visual:before{content:"";position:absolute;width:min(82%,340px);aspect-ratio:1;border-radius:50%;background:#d9f1ff;left:50%;top:50%;transform:translate(-50%,-50%);box-shadow:inset 0 0 0 13px #eaf8ff}.hero-visual img{display:block;width:min(100%,460px);height:auto;aspect-ratio:1;object-fit:contain;position:relative;transform:translateY(-20px);filter:drop-shadow(0 12px 12px rgba(35,102,153,.1))}.mini-note{position:absolute;right:20px;bottom:17px;background:#fff;border:1px solid #cae9fa;border-radius:18px;padding:9px 13px;font-weight:800;color:#1976b8;box-shadow:0 9px 18px #1969a11c;transform:rotate(4deg);font-size:.87rem}section{scroll-margin-top:24px}.section{padding:58px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.kicker{color:#187cb8;font-weight:900;font-size:.86rem;letter-spacing:.11em;margin:0 0 9px}h2{font-size:clamp(1.9rem,3.5vw,2.65rem);line-height:1.28;letter-spacing:-.03em;font-weight:900;margin-bottom:0}.section-head>p{max-width:34ch;color:var(--muted);margin:0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{min-height:285px;position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 12px 26px #3173a60f}.card:after{content:attr(data-mark);position:absolute;right:-8px;bottom:-71px;font-size:11rem;line-height:1;font-weight:900;opacity:.12;transform:rotate(-12deg);pointer-events:none}.card:nth-child(1){background:linear-gradient(155deg,#fff,#eaf7ff);border-top:6px solid #4aa9e9}.card:nth-child(2){background:linear-gradient(155deg,#fff,#fff4e3);border-top:6px solid #ffae40}.card:nth-child(3){background:linear-gradient(155deg,#fff,#eafaf5);border-top:6px solid #64c9ad}.card .num{width:41px;height:41px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--blue);font-weight:900;margin-bottom:26px}.card h3{font-size:1.36rem;line-height:1.35;margin:0 0 12px;font-weight:900}.card p{color:var(--muted);margin:0 0 17px;position:relative;z-index:1}.examples{font-size:.88rem;color:#3a739a;font-weight:700;position:relative;z-index:1}.how{background:#eaf7ff;border-block:1px solid #d3ebf8}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:30px}.step{background:#fff;border:1px solid #d5eaf6;border-radius:22px;padding:26px}.step-number{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:14px;background:#ffedc0;color:#a94e00;font-weight:900;margin-bottom:21px}.step h3{font-size:1.18rem;margin-bottom:8px}.step p{color:var(--muted);margin:0}.about{display:flex;align-items:center;gap:50px}.about .side{flex:0 0 34%;border-radius:26px;background:linear-gradient(145deg,#def3ff,#fff4d3);padding:25px;display:grid;place-items:center;aspect-ratio:1.25}.about .side img{max-width:100%;max-height:280px;height:auto;object-fit:contain}.about .text{max-width:61ch}.about .text h2{margin-bottom:19px}.about .text p{color:var(--muted);font-size:1.03rem;margin-bottom:0}.footer{background:#0b5594;color:#eaf7ff;padding:29px 0}.footer-inner{display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}.footer strong{color:#fff}.footer small{font-size:.88rem}.footer-icp{color:#d6ecff;font-size:.82rem;text-decoration:none}.footer-icp:hover,.footer-icp:focus-visible{text-decoration:underline}@media(max-width:850px){.header-inner{padding:12px 0;flex-wrap:wrap}.nav{width:100%;justify-content:space-between;gap:1px}.nav a{padding:8px 9px;font-size:.88rem}.nav .nav-cta{margin-left:0;box-shadow:none}.hero{grid-template-columns:1fr}.hero-copy{padding:48px 35px 0}.hero-visual{min-height:300px;width:min(100%,490px);margin:auto}.hero-visual img{width:min(100%,390px)}.mini-note{bottom:14px}.card-grid,.steps{grid-template-columns:1fr}.card{min-height:218px}.card .num{margin-bottom:15px}.about{gap:25px}}@media(max-width:570px){.shell{width:min(100% - 28px,1160px)}.brand{font-size:1.16rem}.brand img{width:44px;height:44px}.nav{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}.nav a{font-size:.78rem;padding:8px 3px;white-space:nowrap}.hero-wrap{padding:12px 0 20px}.hero{border-radius:24px}.hero-copy{padding:30px 26px 0}h1{margin:20px 0 16px}.hero p{font-size:1rem}.hero-visual{min-height:245px}.hero-visual img{width:min(100%,335px);transform:translateY(-16px)}.mini-note{display:none}.section{padding:44px 0}.section-head{display:block}.section-head>p{margin-top:14px}.about{display:block}.about .side{max-width:350px;margin-bottom:27px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button:hover{transform:none}}