@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600&display=swap');
:root{--bg:#171c18;--panel:#202620;--ink:#eeeadd;--muted:#a7aea0;--gold:#c4ad7b;--line:#ffffff24}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.85 'PingFang SC','Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,select,textarea{outline-offset:6px}button,a{touch-action:manipulation}header{height:100px;padding:0 5%;display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--line);background:#171c18ee;position:sticky;top:0;z-index:10;backdrop-filter:blur(15px)}.brand{font-family:'Noto Serif SC',serif;font-size:32px;letter-spacing:7px;line-height:1.3}.brand span{display:block;font:9px/2 sans-serif;letter-spacing:2px;color:var(--gold)}nav{display:flex;gap:28px;margin-left:auto;font-size:13px}nav a:hover,footer a:hover{color:var(--gold)}.header-cta{font-size:13px;border-bottom:1px solid var(--gold);padding:8px 0;color:var(--gold)}.menu{display:none}.hero{min-height:calc(100svh - 100px);display:grid;grid-template-columns:1fr 1.15fr;position:relative;align-items:center;overflow:hidden;padding:65px 8% 90px;background:radial-gradient(ellipse at 75% 50%,#3d49372f,transparent 65%)}.eyebrow{font-size:11px;letter-spacing:4px;color:var(--gold);text-transform:uppercase}.hero h1{font:500 clamp(46px,5.4vw,82px)/1.5 'Noto Serif SC','Songti SC',serif;letter-spacing:7px;margin:28px 0}.hero p{color:var(--muted);max-width:370px}.actions{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin-top:36px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:35px;background:var(--gold);color:#171c18;padding:14px 25px;border:1px solid var(--gold);cursor:pointer;font-size:13px}.btn:hover{background:#dfc697}.btn.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.text-link{font-size:13px;border-bottom:1px solid var(--muted);padding-bottom:5px}.hero-art{position:relative;min-width:0}.hero-art svg{width:115%;max-width:760px;display:block;transform:rotate(-13deg);animation:float 9s ease-in-out infinite}.art-note{position:absolute;bottom:2%;right:0;color:var(--muted);font-size:10px;letter-spacing:3px}.hero-bottom{position:absolute;bottom:25px;left:8%;right:8%;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:3px}.section{padding:95px 8%;border-top:1px solid var(--line)}.section.light{background:#e8e4d8;color:#263027}.section.light p,.section.light .desc{color:#626b5e}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}.section h2,.page-title{font:400 38px/1.5 'Noto Serif SC','Songti SC',serif;margin:12px 0 20px;letter-spacing:3px}.desc{color:var(--muted);max-width:650px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border:1px solid var(--line);padding:30px;transition:transform .25s,border-color .25s}.card:hover{border-color:var(--gold);transform:translateY(-4px)}.number{font:italic 30px Georgia,serif;color:var(--gold)}h3{font:400 23px/1.6 'Noto Serif SC','Songti SC',serif;margin:20px 0 12px}.card p{color:var(--muted);font-size:13px}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:25px}.steps article{border-top:1px solid var(--gold);padding-top:22px}.steps p{font-size:13px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.material{background:#303b2b;aspect-ratio:1.1;overflow:hidden}.material svg{width:100%;height:100%}.case-card{border:0;padding:0;text-align:left;background:none;color:inherit;cursor:pointer}.case-art{aspect-ratio:1.1;background:#272f26;overflow:hidden}.case-art svg{width:100%;height:100%;transition:transform .6s}.case-card:hover svg{transform:scale(1.06) rotate(5deg)}.case-card h3{font-size:21px}.tag{color:var(--gold);font-size:11px;letter-spacing:2px}.notice{font-size:12px;color:var(--muted);border-left:2px solid var(--gold);padding-left:15px;margin:24px 0}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.trust-item{padding:30px 15px;border:1px solid var(--line);text-align:center}.trust-item span{display:block;font-size:12px;color:var(--muted)}.page-intro{padding:70px 8% 50px}.page-title{font-size:48px}.filters{display:flex;gap:16px;flex-wrap:wrap;margin:25px 0}select,input,textarea{background:#ffffff07;border:1px solid #ffffff36;color:var(--ink);padding:12px;width:100%;border-radius:0}select option{background:var(--bg)}.filters select{width:auto;min-width:160px}form{display:grid;grid-template-columns:1fr 1fr;gap:22px}label{display:block;font-size:13px}label span{display:block;margin-bottom:7px;color:var(--muted)}.full{grid-column:1/-1}textarea{min-height:120px;resize:vertical}.status{white-space:pre-line;line-height:1.8;color:var(--gold);margin:0}.contact-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:10%}.contact-aside{border-left:1px solid var(--line);padding-left:35px;color:var(--muted)}details{border-bottom:1px solid var(--line);padding:22px 0}summary{cursor:pointer;font-size:17px}details p{color:var(--muted);max-width:760px}footer{padding:50px 8%;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:35px;color:var(--muted);font-size:11px}footer a{display:inline-block;margin:8px}.footer-brand{font:30px 'Noto Serif SC',serif;color:var(--ink)}.footer-brand span{display:block;font:12px/3 sans-serif}dialog{max-width:720px;width:90%;max-height:85svh;overflow:auto;background:var(--bg);color:var(--ink);border:1px solid var(--gold);padding:35px}dialog::backdrop{background:#000b}.close{float:right;background:transparent;color:var(--ink);border:1px solid var(--line);padding:5px 15px;cursor:pointer}.empty{padding:30px;border:1px solid var(--line)}@keyframes float{50%{transform:translateY(-12px) rotate(-10deg)}}@media(min-width:1500px){.hero{padding-left:12%;padding-right:12%}}@media(max-width:900px){header{gap:20px;height:80px}.brand{font-size:27px}nav{gap:15px}.header-cta{display:none}.hero{min-height:calc(100svh - 80px);padding:50px 6% 80px}.hero h1{font-size:46px}.grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr 1fr}.trust-grid{grid-template-columns:1fr 1fr}.section{padding:65px 6%}.contact-layout{grid-template-columns:1fr;gap:40px}}@media(max-width:600px){header{padding:0 6%;justify-content:space-between}.menu{display:block;background:transparent;border:1px solid var(--line);color:var(--ink);padding:6px 12px}nav{display:none;position:absolute;top:80px;left:0;right:0;background:var(--bg);padding:25px 6%}nav.open{display:flex;flex-direction:column}.hero{grid-template-columns:1fr;gap:0;padding-top:30px}.hero h1{font-size:44px;margin:15px 0;letter-spacing:5px}.hero p{font-size:13px}.hero-art{grid-row:2;max-height:320px;margin-top:0}.hero-art svg{width:100%;height:320px}.hero-bottom{font-size:8px;left:6%;right:6%}.actions{margin-top:24px}.grid,.split,.steps{grid-template-columns:1fr}.split{gap:35px}.trust-grid{gap:10px}.section-head{display:block}.section h2{font-size:30px}.page-title{font-size:38px}.card{padding:24px}form{grid-template-columns:1fr}form label{grid-column:1}.contact-aside{padding-left:20px}footer{flex-direction:column}.art-note{bottom:0}.page-intro{padding:45px 6% 25px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}