:root{--ink:#102d42;--muted:#5d7180;--blue:#0f6278;--teal:#157e86;--line:#d8e1e1;--paper:#f4f2ec;--white:#fff;--accent:#df9a39}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 "Microsoft YaHei","PingFang SC",Arial,sans-serif}button,a{font:inherit}a{color:inherit}.shell{width:min(1230px,calc(100% - 48px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:20px;top:20px;z-index:20;background:white;padding:10px}.site-header{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1230px)/2));border-bottom:1px solid #dbe4e0;background:rgba(244,242,236,.92);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.brand{text-decoration:none;display:flex;align-items:center;gap:11px;font-weight:800;line-height:1.1}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:10px;background:#123e51;color:white;font-size:15px;letter-spacing:-1px}.brand-sub{display:block;font-size:9px;letter-spacing:2.1px;color:#6e8791;margin-top:5px}.site-header nav{display:flex;gap:33px}.site-header nav a,.header-action{text-decoration:none;font-size:13px;font-weight:700}.site-header nav a:hover,.text-link:hover{color:var(--teal)}.header-action{border-bottom:1px solid var(--ink);padding-bottom:3px}.hero{min-height:675px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:30px;padding-top:55px;padding-bottom:70px}.eyebrow{text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:2px;color:#0e7b84}.eyebrow-line{display:inline-block;width:24px;height:2px;background:var(--accent);vertical-align:middle;margin-right:10px}.hero h1{font-size:clamp(44px,5.1vw,76px);line-height:1.16;letter-spacing:-2px;margin:25px 0}.hero h1 span{display:block;color:#126579}.hero-lead{max-width:570px;color:#4b6471;font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:35px}.button{padding:13px 22px;border-radius:8px;text-decoration:none;font-weight:750;font-size:14px;display:inline-flex;align-items:center;gap:22px}.button-primary{background:#123f52;color:white}.button-primary:hover{background:#0f7283}.button-secondary{border:1px solid #bdcbce;background:#fff8}.button-secondary:hover{border-color:var(--teal)}.hero-facts{display:flex;gap:43px;margin-top:57px}.hero-facts div{display:flex;flex-direction:column}.hero-facts strong{font-family:Georgia,serif;font-size:30px;line-height:1.1}.hero-facts span{color:#6b7e84;font-size:12px;margin-top:5px}.hero-visual{height:560px;position:relative;border-radius:50%;background:radial-gradient(circle at 50% 45%,#e2e8db 0,#e9eee8 31%,transparent 68%);display:grid;place-items:center;overflow:hidden}.orbit{position:absolute;border:1px solid #bfd3d1;border-radius:50%;transform:rotate(-16deg)}.orbit-one{width:75%;height:75%}.orbit-two{width:95%;height:95%;border-style:dashed}.hero-core{z-index:1;width:245px;height:245px;border-radius:50%;background:linear-gradient(145deg,#135a6e,#0b314b);color:white;box-shadow:0 25px 70px #1847604d;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.hero-core small{color:#a8e0d8;letter-spacing:3px}.hero-core strong{font-size:27px;line-height:1.45;margin:13px}.hero-core i{height:3px;width:38px;background:var(--accent)}.float-card{position:absolute;z-index:2;background:white;padding:13px 16px;border:1px solid #dde9e6;border-radius:11px;box-shadow:0 10px 30px #1a48501c;font-weight:800;font-size:14px}.float-card b{color:var(--teal);margin-right:9px}.fc-one{top:15%;left:2%}.fc-two{top:24%;right:0}.fc-three{bottom:23%;left:0}.fc-four{bottom:12%;right:6%}.section-pad{padding:105px 0}.overview{background:#102e42;color:white}.overview-layout{display:grid;grid-template-columns:.7fr 1fr;gap:9vw;align-items:center}.section-intro h2,.explorer h2,.method h2{font-size:clamp(31px,3.5vw,51px);line-height:1.3;letter-spacing:-1px;margin:16px 0}.section-intro>p:not(.eyebrow),.method p{color:#bad0d4;max-width:420px;line-height:1.9}.text-link{display:inline-block;color:#d6e9e8;font-weight:800;text-decoration:none;border-bottom:1px solid #789fa8;margin-top:23px;padding-bottom:7px}.master-frame{height:500px;background:#e6ece8;border-radius:18px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:0 25px 60px #041d2a66}.master-frame img{height:100%;max-width:100%;object-fit:contain;object-position:center}.master-frame span{position:absolute;right:20px;bottom:18px;background:white;color:var(--ink);border-radius:6px;padding:8px 12px;font-size:12px;font-weight:750}.explorer{background:#f7f8f5}.explorer-heading{display:flex;justify-content:space-between;gap:20px;align-items:end}.explorer-heading p:last-child{color:var(--muted)}.scene-count{border-left:2px solid var(--accent);padding-left:20px;display:flex;flex-direction:column}.scene-count span{font:64px/.9 Georgia,serif}.scene-count small{color:#6a8588}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:37px 0 28px}.filter{border:1px solid #d4deda;border-radius:100px;background:white;padding:9px 17px;color:#456371;cursor:pointer;font-size:13px;font-weight:750}.filter:hover{border-color:var(--teal)}.filter.active{background:#154d60;color:white;border-color:#154d60}.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}.scene-card{min-width:0;border:1px solid #e3e8e6;background:white;border-radius:13px;padding:0;overflow:hidden;text-align:left;cursor:pointer;box-shadow:0 4px 15px #10354408;transition:transform .2s,box-shadow .2s}.scene-card:hover,.scene-card:focus-visible{transform:translateY(-5px);box-shadow:0 18px 34px #1035441f;outline:none}.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.scene-card .card-body{padding:17px 18px 19px;display:block}.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:1px;color:#4b8390;font-weight:800}.scene-card strong{display:block;font-size:21px;margin:7px 0 6px}.scene-card .question{display:block;font-size:13px;line-height:1.6;color:#60727a;min-height:42px}.card-arrow{color:var(--teal);font-size:20px}.method{background:#e8eee9}.method-layout{display:grid;grid-template-columns:1fr 1fr;gap:12vw}.method p{color:#5f7680}.method-steps{list-style:none;margin:0;padding:0}.method-steps li{display:flex;gap:20px;border-top:1px solid #c7d4d1;padding:18px 0}.method-steps li:last-child{border-bottom:1px solid #c7d4d1}.method-steps li>span{font:23px Georgia,serif;color:#0a7d86}.method-steps strong{font-size:17px}.method-steps p{margin:2px 0 0;font-size:13px}footer{background:#102e42;color:#fff;padding:35px 0}.footer-inner{display:flex;justify-content:space-between;gap:20px}.footer-inner p{font-size:12px;color:#a3bdc4;margin-bottom:0}.footer-inner a{font-size:13px}dialog{width:min(1160px,calc(100% - 24px));max-height:calc(100dvh - 30px);border:0;border-radius:18px;padding:0;color:var(--ink);box-shadow:0 30px 100px #061e29a0}dialog::backdrop{background:#071e2bbd}.dialog-inner{padding:30px 35px 36px;position:relative}.dialog-close{position:absolute;right:18px;top:14px;border:0;background:#e7eeed;border-radius:50%;width:37px;height:37px;font-size:27px;line-height:1;cursor:pointer}.dialog-inner h2{font-size:36px;margin:3px 0}.dialog-question{font-size:17px;color:#5b7079;margin:0 0 20px}.dialog-body{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px}.dialog-body h3{margin:10px 0 12px}.app-list{display:grid;grid-template-columns:1fr 1fr;gap:9px}.app-list div{border:1px solid #e0e9e8;border-radius:8px;padding:11px 13px;background:#f7faf8}.app-list b{font-size:13px}.app-list small{display:block;color:#658088;font-size:11px}.flow{background:#e8f2ef;border-left:3px solid var(--teal);padding:12px 14px;font-size:13px}.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.checks div{font-size:11px;background:#f5f5f0;padding:10px;border-radius:6px}.checks b{color:#1a7781}.checks p{margin:2px 0 0}.dialog-image img{width:100%;border:1px solid #e1e5e3;border-radius:9px}.dialog-image a{display:block;margin-top:9px;font-size:12px;color:#0b7180;text-align:right}button:focus-visible,a:focus-visible{outline:3px solid #e0a447;outline-offset:3px}@media(max-width:950px){.hero,.overview-layout,.method-layout{grid-template-columns:1fr}.hero-visual{height:470px}.scene-grid{grid-template-columns:repeat(2,1fr)}.overview-layout{gap:30px}.dialog-body{grid-template-columns:1fr}.site-header nav{display:none}}@media(max-width:620px){.shell{width:calc(100% - 32px)}.site-header{height:64px;padding:0 16px}.header-action{display:none}.hero{padding-top:55px;padding-bottom:45px;min-height:auto}.hero h1{font-size:43px}.hero-lead{font-size:15px}.hero-facts{gap:25px;margin-top:34px}.hero-visual{height:380px}.hero-core{width:185px;height:185px}.hero-core strong{font-size:21px}.float-card{padding:8px;font-size:10px}.section-pad{padding:66px 0}.master-frame{height:400px}.scene-grid{grid-template-columns:1fr 1fr;gap:9px}.scene-card strong{font-size:16px}.scene-card .card-body{padding:10px}.scene-card .question{font-size:11px;min-height:54px}.explorer-heading{align-items:start}.scene-count span{font-size:42px}.dialog-inner{padding:24px 16px}.dialog-inner h2{font-size:29px}.dialog-body{gap:16px}.checks{grid-template-columns:1fr}.footer-inner{display:block}}

