:root{--ink:#17233f;--muted:#66728a;--paper:#f7f7f2;--white:#fff;--line:#dfe3e8;--blue:#2563eb;--orange:#f06a32;--green:#24866a;--violet:#7456c8;--shadow:0 24px 70px rgba(32,47,74,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.topbar{height:78px;max-width:1440px;margin:auto;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(23,35,63,.08)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;color:#fff;background:var(--ink);font-family:Georgia,serif;font-size:22px}.brand b,.brand small{display:block}.brand b{font-size:15px;letter-spacing:.04em}.brand small{margin-top:3px;color:#8992a2;font-size:9px;letter-spacing:.15em}.topbar nav{display:flex;gap:32px;font-size:14px}.topbar nav a{position:relative;padding:28px 0}.topbar nav a:after{content:"";position:absolute;left:0;right:100%;bottom:19px;height:2px;background:var(--orange);transition:.2s}.topbar nav a:hover:after{right:0}.hero{position:relative;max-width:1440px;min-height:650px;margin:auto;padding:82px 5vw 74px;display:grid;grid-template-columns:1.08fr .92fr;gap:6vw;align-items:center;overflow:hidden}.hero:before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;right:-180px;top:-170px;background:#e9e4d4;z-index:-1}.eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--blue)}.eyebrow i{width:28px;height:2px;background:var(--blue)}h1{margin:24px 0 26px;font-size:clamp(44px,6vw,82px);line-height:1.08;letter-spacing:-.055em}h1 em{font-style:normal;color:var(--orange)}.hero-copy>p{max-width:680px;margin:0;color:var(--muted);font-size:17px;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:34px}.button{display:inline-flex;align-items:center;gap:26px;padding:15px 20px;border-radius:8px;font-weight:700}.button.primary{background:var(--ink);color:#fff}.button span{color:#ffb18e}.updated{color:#8c94a3;font-size:12px}.metrics{display:flex;gap:0;margin-top:48px;border-top:1px solid var(--line);max-width:560px}.metrics div{display:flex;align-items:baseline;gap:9px;padding:20px 38px 0 0;margin-right:38px;border-right:1px solid var(--line)}.metrics div:last-child{border:0}.metrics strong{font:700 30px Georgia,serif}.metrics span{color:var(--muted);font-size:12px;white-space:nowrap}.hero-stage{position:relative;min-height:500px}.hero-stage svg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:#c9cfd6;stroke-width:1.2;stroke-dasharray:5 8}.stage-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:210px;height:210px;border-radius:50%;background:var(--ink);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:0 28px 60px rgba(23,35,63,.25)}.stage-core i{width:45px;height:45px;margin-bottom:9px;border:2px solid #ffb18e;border-radius:50% 50% 50% 12%;transform:rotate(-45deg)}.stage-core b{font-size:14px}.orbit{position:absolute;z-index:2;width:130px;height:130px;padding:22px;border-radius:50%;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center;text-align:center}.orbit span{font:700 25px Georgia,serif}.orbit small{margin-top:7px;color:var(--muted)}.orbit.one{left:2%;top:13%;border:7px solid #dbe8ff}.orbit.two{right:0;top:20%;border:7px solid #ffe3d8}.orbit.three{right:12%;bottom:3%;border:7px solid #d9eee7}.direction-strip{max-width:1280px;margin:0 auto 110px;padding:22px 28px;display:flex;gap:34px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 40px rgba(31,43,65,.06)}.direction-strip>span{margin-right:auto;font-weight:800}.direction-strip div{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px}.direction-strip i{width:8px;height:8px;border-radius:50%}.blue{background:var(--blue)}.orange{background:var(--orange)}.green{background:var(--green)}.violet{background:var(--violet)}.projects{max-width:1280px;margin:auto;padding:0 24px 110px}.section-head{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}.section-kicker{color:var(--orange)}h2{margin:12px 0 0;font-size:clamp(32px,4vw,50px);letter-spacing:-.04em}.section-head p{margin:0;color:var(--muted);line-height:1.9}.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 24px}.filter-row button{padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);cursor:pointer}.filter-row button.active,.filter-row button:hover{background:var(--ink);border-color:var(--ink);color:#fff}.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.project-card{position:relative;min-height:490px;padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff;display:flex;flex-direction:column;overflow:hidden;transition:transform .25s,box-shadow .25s}.project-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.project-card[hidden]{display:none}.project-card.featured{min-height:530px}.card-top{display:flex;align-items:center;justify-content:space-between}.number{font:700 13px Georgia,serif;color:#9da5b2}.status{padding:7px 10px;border-radius:999px;background:#f0f2f5;color:#5e697c;font-size:11px}.project-icon{position:relative;width:88px;height:88px;margin:34px 0 30px;border-radius:24px;display:grid;place-items:center}.radar-icon{background:#e4ecff}.radar-icon i{position:absolute;border:2px solid var(--blue);border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:rotate(45deg)}.radar-icon i:nth-child(1){width:22px;height:22px}.radar-icon i:nth-child(2){width:40px;height:40px}.radar-icon i:nth-child(3){width:58px;height:58px}.breath-icon{background:#def2ec}.breath-icon:before{content:"";width:50px;height:60px;border:3px solid var(--green);border-radius:24px 24px 30px 30px}.breath-icon i{position:absolute;width:28px;height:2px;background:var(--green)}.breath-icon i:first-child{left:7px;transform:rotate(-18deg)}.breath-icon i:last-child{right:7px;transform:rotate(18deg)}.ball-icon{background:#ffe7dc}.ball-icon:before{content:"";width:48px;height:48px;border:3px solid var(--orange);border-radius:50%}.ball-icon i{position:absolute;width:48px;height:2px;background:var(--orange);transform:rotate(-25deg)}.mosquito-icon{background:#f0eafa}.mosquito-icon:before{content:"";width:12px;height:48px;border-radius:50%;background:var(--violet)}.mosquito-icon i{position:absolute;width:34px;height:24px;border:2px solid var(--violet);border-radius:60% 20%;top:25px}.mosquito-icon i:first-child{left:9px;transform:rotate(22deg)}.mosquito-icon i:last-child{right:9px;transform:scaleX(-1) rotate(22deg)}.tree-icon{background:#e4f0dc}.tree-icon:before{content:"";width:42px;height:50px;background:#579548;border-radius:50% 50% 40% 40%}.tree-icon:after{content:"";position:absolute;width:4px;height:66px;background:#555;right:15px;top:11px}.tree-icon i{position:absolute;width:55px;height:2px;background:#555;right:-3px}.tree-icon i:first-child{top:30px;transform:rotate(-6deg)}.tree-icon i:last-child{top:50px;transform:rotate(6deg)}.motion-icon{background:#eeeafa}.motion-icon i{position:absolute;width:10px;border-radius:8px;background:var(--violet);transform-origin:bottom}.motion-icon i:nth-child(1){height:45px;left:25px;transform:rotate(-13deg)}.motion-icon i:nth-child(2){height:58px}.motion-icon i:nth-child(3){height:38px;right:25px;transform:rotate(15deg)}.category{font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--muted)}.project-card h3{margin:10px 0 15px;font-size:28px;line-height:1.3}.project-card h3 em{font-style:normal;color:var(--muted);font-weight:500}.project-card p{margin:0 0 20px;color:var(--muted);line-height:1.8;font-size:14px}.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}.tags span{padding:6px 9px;border:1px solid var(--line);border-radius:6px;color:#687386;font-size:11px}.card-link,.dual-links{margin-top:24px;border-top:1px solid var(--line);padding-top:18px;font-size:13px;font-weight:800}.card-link{display:flex;justify-content:space-between}.card-link b,.dual-links b{color:var(--orange)}.dual-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.dual-links a{display:flex;justify-content:space-between;padding:11px 12px;border-radius:7px;background:#f4f5f6}.principle-band{max-width:1280px;margin:0 auto 90px;padding:56px;border-radius:20px;background:var(--ink);color:#fff;display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center}.principle-band>div>span{color:#ffb18e;font-size:12px;letter-spacing:.12em}.principle-band h2{font-size:36px}.steps{display:flex;align-items:center;justify-content:space-between}.steps span{display:flex;flex-direction:column;gap:6px;color:#d3d9e4;font-size:12px}.steps b{font:700 24px Georgia,serif;color:#fff}.steps i{width:36px;height:1px;background:#536078}footer{max-width:1280px;margin:auto;padding:28px 24px 42px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}footer b,footer span{display:block}footer span{margin-top:6px;color:var(--muted);font-size:12px}footer a{font-size:12px;font-weight:700}@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:58px}.hero-stage{min-height:430px}.direction-strip{margin:0 20px 80px;flex-wrap:wrap}.direction-strip>span{width:100%}.section-head,.principle-band{grid-template-columns:1fr}.project-grid{grid-template-columns:1fr}.principle-band{margin:0 20px 60px}.topbar nav{display:none}}@media(max-width:580px){.topbar{height:68px;padding:0 18px}.brand b{font-size:13px}.hero{padding:48px 20px 55px}h1{font-size:43px}.hero-copy>p{font-size:15px}.hero-actions{align-items:flex-start;flex-direction:column}.metrics{justify-content:space-between}.metrics div{padding-right:15px;margin-right:15px;flex-direction:column;gap:4px}.hero-stage{min-height:360px}.stage-core{width:160px;height:160px}.orbit{width:100px;height:100px;padding:14px}.orbit span{font-size:20px}.projects{padding:0 15px 70px}.section-head{gap:18px}.project-card{padding:22px;min-height:470px}.principle-band{padding:34px 22px}.steps{display:grid;grid-template-columns:1fr 1fr;gap:25px}.steps i{display:none}footer{margin:0 8px;align-items:flex-start;gap:20px;flex-direction:column}}
/* 塔吊安全头盔卡片图标(卡片 07) */
.helmet-icon{background:#ffedd9}
.helmet-icon:before{content:"";width:46px;height:34px;border-radius:46px 46px 8px 8px;background:var(--orange)}
.helmet-icon:after{content:"";position:absolute;width:66px;height:9px;border-radius:6px;background:#d85a24;left:11px;bottom:26px}
.helmet-icon i{position:absolute;width:24px;height:7px;border-radius:4px;background:#ffe3d1;left:32px;top:28px}