:root{--paper:#f3f0e7;--paper-2:#e8e2d4;--ink:#142923;--muted:#68736c;--jade:#2f6b58;--jade-light:#8fb5a3;--gold:#bc8a32;--red:#a94f38;--line:rgba(20,41,35,.16);--white:#fffdf7;--shadow:0 20px 60px rgba(20,41,35,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",sans-serif;background-image:linear-gradient(rgba(20,41,35,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,41,35,.035) 1px,transparent 1px);background-size:38px 38px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.site-header{height:82px;padding:0 clamp(22px,5vw,80px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(243,240,231,.9);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}.brand{display:flex;gap:12px;align-items:center;letter-spacing:.08em}.brand>span{display:grid;place-items:center;width:45px;height:45px;color:var(--paper);background:var(--ink);border-radius:50%;font-family:"STSong","SimSun",serif;font-size:25px}.brand strong{line-height:1;font-size:13px}.brand 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span{font-size:12px;letter-spacing:.18em;margin-top:16px}.node{position:absolute;width:52px;height:52px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--paper);font:700 22px "STSong",serif;box-shadow:var(--shadow)}.n1{left:2%;top:46%}.n2{right:8%;top:6%}.n3{right:0;bottom:22%}.n4{left:26%;bottom:0}@keyframes turn{to{transform:rotate(360deg)}}.status-ribbon{display:flex;gap:14px;align-items:center;padding:18px clamp(22px,7vw,120px);color:var(--paper);background:var(--ink);font-size:13px}.status-ribbon span:last-child{margin-left:auto;color:var(--jade-light)}.live-dot{width:8px;height:8px;border-radius:50%;background:#d5ad52;box-shadow:0 0 0 6px rgba(213,173,82,.13);animation:pulse 1.7s infinite}@keyframes pulse{50%{opacity:.35}}.product-section{padding:100px clamp(22px,5vw,80px)}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:45px}.section-heading h2,.model-section h2{font-size:clamp(36px,4vw,62px);margin:0;letter-spacing:-.04em}.section-heading>p{max-width:520px;color:var(--muted);line-height:1.8}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}.product-card{min-height:310px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,247,.54);position:relative;display:flex;flex-direction:column;transition:.25s}.product-card:hover{transform:translateY(-5px);background:var(--white);box-shadow:var(--shadow);z-index:2}.card-top{display:flex;justify-content:space-between;align-items:center}.card-index{font:700 12px Consolas,monospace;color:var(--muted)}.card-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;color:var(--white);background:var(--ink);font:700 22px "STSong",serif}.product-card[data-accent="gold"] .card-mark{background:var(--gold)}.product-card[data-accent="cinnabar"] .card-mark{background:var(--red)}.product-card[data-accent="jade"] .card-mark{background:var(--jade)}.card-category{margin:38px 0 8px;color:var(--muted);font-size:12px;letter-spacing:.12em}.product-card h3{margin:0;font:700 27px "STSong",serif}.product-card p{color:var(--muted);line-height:1.7;font-size:14px}.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.card-state{font-size:12px}.card-state:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#9a9f9b;margin-right:7px}.card-state.active:before{background:var(--gold);box-shadow:0 0 0 4px rgba(188,138,50,.14)}.card-arrow{font-size:22px}.model-section{margin:20px clamp(22px,5vw,80px) 90px;padding:70px;background:var(--ink);color:var(--paper);display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;border-radius:6px}.model-section .eyebrow{color:var(--jade-light)}.model-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.15)}.model-steps article{padding:28px;background:var(--ink)}.model-steps b{font:700 12px Consolas;color:#d5ad52}.model-steps h3{font-family:"STSong",serif;font-size:23px}.model-steps p,.payment-note{color:#b8c1bc;line-height:1.7;font-size:13px}.payment-note{grid-column:2;margin:0}.about-section{margin:0 clamp(22px,7vw,120px) 90px;padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:40px;color:var(--muted);line-height:1.8}.about-section strong{color:var(--ink);white-space:nowrap}footer{padding:28px clamp(22px,5vw,80px);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.reveal{animation:rise .8s both}.hero-object{animation-delay:.15s}@keyframes rise{from{opacity:0;transform:translateY(22px)}}.detail-shell{min-height:100vh;padding:80px clamp(22px,8vw,140px)}.detail-back{display:inline-block;margin-bottom:60px;color:var(--muted)}.detail-layout{display:grid;grid-template-columns:220px 1fr;gap:70px}.detail-mark{width:180px;height:180px;display:grid;place-items:center;background:var(--ink);color:var(--paper);font:700 82px "STSong",serif;border-radius:36px}.detail-main h1{font:700 clamp(48px,6vw,84px) "STSong",serif;margin:0 0 18px}.detail-main .summary{font-size:19px;line-height:1.9;color:var(--muted);max-width:760px}.feature-list{margin-top:55px;border-top:1px solid var(--line)}.feature-row{padding:22px 0;border-bottom:1px solid var(--line);display:flex;gap:25px}.feature-row b{font:700 12px Consolas;color:var(--red)}.truth-box{margin-top:45px;padding:24px;background:rgba(255,253,247,.7);border-left:4px solid var(--gold)}
@media(max-width:900px){nav{display:none}.hero{grid-template-columns:1fr;padding-top:60px}.hero-object{width:min(88vw,430px)}.product-grid{grid-template-columns:1fr 1fr}.section-heading,.about-section{align-items:start;flex-direction:column}.model-section{grid-template-columns:1fr;padding:38px}.payment-note{grid-column:1}.detail-layout{grid-template-columns:1fr}.detail-mark{width:110px;height:110px;font-size:48px}}
@media(max-width:600px){.site-header{height:68px}.quiet-link{font-size:0}.quiet-link:after{content:"工作台";font-size:12px}.hero{min-height:auto;gap:20px}.hero h1{font-size:48px}.hero-object{transform:scale(.86)}.product-section{padding-top:70px}.product-grid{grid-template-columns:1fr}.model-steps{grid-template-columns:1fr}.model-section{margin-left:14px;margin-right:14px}.about-section strong{white-space:normal}footer{flex-direction:column}}
@media print{.site-header,.hero-actions,footer{display:none}body{background:#fff}}