:root{--paper:#f6f2e9;--white:#fffdf8;--ink:#20312b;--green:#244c3c;--muted:#66706b;--orange:#d77c68;--line:rgba(32,49,43,.16);--serif:"Songti SC","STSong","SimSun",serif;--sans:"Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.75 var(--sans)}
a{color:inherit;text-decoration:none}
main,footer{width:min(1180px,calc(100% - 48px));margin:auto}
.hero{padding:78px 0 52px;display:grid;grid-template-columns:1fr .62fr;gap:70px;align-items:end}
.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--orange);font-weight:700}
h1{font:600 clamp(46px,6vw,76px)/1.14 var(--serif);margin:13px 0 22px}
.hero p{max-width:680px;color:var(--muted);font-size:17px}
.hero-note{border:1px solid var(--line);border-radius:24px;padding:28px;background:rgba(255,253,248,.46)}
.hero-note strong{display:block;font:25px var(--serif);margin-bottom:8px}
.hero-note span{color:var(--muted)}
.service-index{position:sticky;top:80px;z-index:9;display:flex;gap:9px;overflow-x:auto;padding:16px 0;background:rgba(246,242,233,.95);border-block:1px solid var(--line);scrollbar-width:none}
.service-index::-webkit-scrollbar{display:none}
.service-index a{flex:none;border:1px solid var(--line);border-radius:999px;padding:7px 13px;background:var(--white);font-size:12px}
.guide-list{display:grid;gap:22px;padding:42px 0 70px}
.guide-card{scroll-margin-top:155px;background:var(--white);border:1px solid var(--line);border-radius:26px;padding:36px}
.guide-card>header{display:grid;grid-template-columns:.72fr 1.28fr;gap:8px 45px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.guide-card>header span{grid-column:1/-1;color:var(--orange);font-size:11px;letter-spacing:.08em}
.guide-card h2{font:600 34px var(--serif);margin:0}
.guide-card>header p{margin:0;color:var(--muted);font-size:16px}
.guide-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;padding-top:28px}
.guide-columns section+section{border-left:1px solid var(--line);padding-left:34px}
.guide-columns h3{font:600 19px var(--serif);margin:0 0 9px}
.guide-columns p,.guide-columns ol{margin:0;color:var(--muted)}
.guide-columns ol{padding-left:1.25em}
.guide-action{display:inline-block;margin-top:24px;color:var(--green);font-weight:700;border-bottom:1px solid var(--green)}
.selection-guide{margin-bottom:80px;padding:45px;background:var(--green);color:white;border-radius:28px;display:grid;grid-template-columns:.8fr 1.4fr auto;gap:38px;align-items:start}
.selection-guide h2{font:600 33px var(--serif);margin:8px 0}.selection-guide p{margin:0 0 10px;color:#d8e4df}.selection-guide strong{color:white}.selection-guide a{white-space:nowrap;border:1px solid #89a89b;border-radius:999px;padding:10px 15px}
footer{border-top:1px solid var(--line);padding:24px 0 42px;display:flex;justify-content:space-between;color:var(--muted);font-size:11px}
@media(max-width:920px){.service-index{top:112px}.guide-card{scroll-margin-top:170px}.guide-columns{grid-template-columns:1fr}.guide-columns section+section{border-left:0;border-top:1px solid var(--line);padding:22px 0 0}.selection-guide{grid-template-columns:1fr 1.5fr}.selection-guide a{grid-column:1/-1;justify-self:start}}
@media(max-width:700px){main,footer{width:min(100% - 30px,1180px)}.hero{grid-template-columns:1fr;padding:48px 0 35px;gap:25px}.hero-note{padding:22px}.service-index{top:108px}.guide-card{padding:25px 21px}.guide-card>header{grid-template-columns:1fr;gap:10px}.guide-card>header span{grid-column:auto}.guide-card h2{font-size:29px}.selection-guide{grid-template-columns:1fr;padding:28px 22px}.selection-guide a{grid-column:auto}footer{gap:15px}}