:root{
  --paper:#F4F1EA;
  --card:#FFFFFF;
  --ink:#2B2420;
  --muted:#756B60;
  --line:#DCD4C4;
  --line-soft:#E9E3D6;
  --clay:#5A3A2E;
  --clay-deep:#3C251C;
  --copper:#C4783C;
  --slate:#4F7A80;
  --radius:10px;
  --wrap:1140px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--clay);text-decoration:none}
a:hover{color:var(--copper)}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,figcaption,blockquote,table{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.top{background:var(--paper);border-bottom:1px solid var(--line)}
.top__in{max-width:var(--wrap);margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand img{width:42px;height:42px}
.brand__tx{display:flex;flex-direction:column;line-height:1.25}
.brand__tx b{font-size:19px;letter-spacing:.04em}
.brand__tx span{font-size:11.5px;color:var(--muted);letter-spacing:.16em}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{padding:8px 12px;font-size:15px;color:#4A4138;border-radius:6px}
.nav a:hover{background:#EBE4D6;color:var(--clay)}
.nav a[aria-current="page"]{background:var(--clay);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;text-decoration:none;border-radius:6px;white-space:nowrap;position:relative;transition:background .2s ease,color .2s ease}
.btn.btn-primary{background:var(--clay);color:#fff;padding:12px 44px 12px 22px}
.btn.btn-primary::after{content:"\203A";position:absolute;right:0;top:0;bottom:0;width:30px;display:flex;align-items:center;justify-content:center;background:var(--copper);border-radius:0 6px 6px 0;font-size:19px;line-height:1}
.btn.btn-primary:hover{background:var(--clay-deep);color:#fff}
.btn.btn-ghost{border:1px solid rgba(255,255,255,.42);color:#F6EFE6;padding:12px 20px}
.btn.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero{background:var(--clay-deep);color:#F7F1E8;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(158deg,#3C251C 0%,#5A3A2E 58%,#472B21 100%)}
.hero::after{content:"";position:absolute;right:-120px;top:-90px;width:520px;height:520px;pointer-events:none;background:repeating-radial-gradient(circle at 62% 38%,rgba(196,120,60,.20) 0 2px,rgba(196,120,60,0) 2px 22px)}
.hero__in{position:relative;z-index:1;max-width:var(--wrap);margin:0 auto;padding:64px 22px 66px;display:grid;grid-template-columns:1fr 316px;gap:52px;align-items:center}
.hero__kick{font-size:12px;letter-spacing:.24em;color:#DCAE83;margin-bottom:14px}
.hero h1{font-size:40px;line-height:1.25;letter-spacing:.01em;font-weight:800}
.hero__lead{margin-top:16px;font-size:16px;line-height:1.85;color:#E6DACD;max-width:34em}
.hero__cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero__shot{max-width:300px;margin:0 auto;border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px rgba(255,255,255,.18),0 26px 46px rgba(0,0,0,.34)}
.hero__shot img{width:100%;height:auto}
.hero__meta{margin-top:26px;display:flex;gap:26px;flex-wrap:wrap;font-size:13px;color:#CBB9A7}
.hero__meta b{display:block;font-size:16px;color:#F8F2E9;font-weight:700}
.strip{background:#EDE7DA;border-bottom:1px solid var(--line)}
.strip__in{max-width:var(--wrap);margin:0 auto;padding:18px 22px;display:flex;gap:34px;flex-wrap:wrap;justify-content:space-between;font-size:13.5px;color:#5D5348}
.strip__in span b{color:var(--clay);font-weight:700}
.sec{padding:58px 0 6px}
.sec__rule{border-top:1px dashed #CFC5B2;padding-top:19px;display:flex;align-items:baseline;gap:14px;margin-bottom:26px}
.sec__no{font-size:12.5px;font-weight:700;letter-spacing:.2em;color:var(--copper)}
h2{font-size:26px;line-height:1.35;font-weight:800;letter-spacing:.005em}
h3{font-size:17.5px;font-weight:700;line-height:1.5}
.sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:46em}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:6px}
.trio article{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px 22px 24px}
.trio h3{margin-bottom:8px}
.trio p{font-size:14.5px;color:#4D453C}
.trio .tag{display:inline-block;font-size:11.5px;letter-spacing:.14em;color:var(--slate);margin-bottom:10px}
.grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:6px}
.fcard{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;position:relative}
.fcard::before{content:"";position:absolute;left:22px;top:22px;width:16px;height:2px;background:var(--copper)}
.fcard h3{margin-top:14px;margin-bottom:7px}
.fcard p{font-size:14.5px;color:#4D453C}
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.shots figure{background:var(--card);border-radius:12px;padding:10px;box-shadow:0 0 0 1px var(--line-soft)}
.shots img{width:100%;height:auto;border-radius:7px}
.shots figcaption{margin-top:10px;font-size:13px;color:#5C5348;line-height:1.6;padding:0 2px 4px}
.xentry{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.xentry a{display:block;background:var(--card);border:1px solid var(--line-soft);border-left:3px solid var(--slate);border-radius:8px;padding:18px 20px;color:var(--ink)}
.xentry a:hover{border-left-color:var(--copper);color:var(--ink);background:#FFFDF9}
.xentry b{display:block;font-size:16px;margin-bottom:5px}
.xentry span{font-size:13.5px;color:var(--muted)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.quotes blockquote{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;font-size:14.5px;color:#40382F;line-height:1.8}
.quotes footer{margin-top:12px;font-size:12.5px;color:var(--muted)}
.qa{border-top:1px solid var(--line-soft)}
.qa details{border-bottom:1px solid var(--line-soft);padding:6px 0}
.qa summary{cursor:pointer;list-style:none;padding:12px 34px 12px 0;font-weight:700;font-size:15.5px;position:relative;color:#33291F}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:6px;top:11px;font-size:19px;color:var(--copper);font-weight:700}
.qa details[open] summary::after{content:"\2212"}
.qa p{padding:0 34px 14px 0;font-size:14.5px;color:#4C443A}
.cta{background:var(--clay-deep);color:#F7F1E8;margin-top:64px;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;left:-90px;bottom:-140px;width:380px;height:380px;background:repeating-radial-gradient(circle at 40% 60%,rgba(196,120,60,.18) 0 2px,rgba(196,120,60,0) 2px 20px);pointer-events:none}
.cta__in{position:relative;z-index:1;max-width:var(--wrap);margin:0 auto;padding:52px 22px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta h2{font-size:24px}
.cta .note{margin-top:8px;font-size:13.5px;color:#CBB9A7;background:none;border-left:0;padding:0}
.foot{background:#2A211B;color:#C3B5A7;font-size:13.5px}
.foot__in{max-width:var(--wrap);margin:0 auto;padding:40px 22px 26px;display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px}
.foot h4{font-size:14px;color:#F0E6DA;margin-bottom:12px;letter-spacing:.06em}
.foot p{line-height:1.8;max-width:32em}
.foot a{color:#D8CABB}
.foot a:hover{color:var(--copper)}
.foot__nav{display:flex;flex-direction:column;gap:8px}
.foot__bar{border-top:1px solid #40342B;margin-top:6px}
.foot__bar p{max-width:var(--wrap);margin:0 auto;padding:16px 22px 22px;font-size:12.5px;color:#9C8E80}
.disclaim{border-top:1px solid #40342B;padding-top:14px;margin-top:18px;font-size:12.5px;color:#A99B8C;max-width:none}
.pagehead{background:var(--clay-deep);color:#F7F1E8;position:relative;overflow:hidden}
.pagehead::after{content:"";position:absolute;right:-60px;top:-110px;width:420px;height:420px;background:repeating-radial-gradient(circle at 58% 42%,rgba(196,120,60,.18) 0 2px,rgba(196,120,60,0) 2px 20px);pointer-events:none}
.pagehead__in{position:relative;z-index:1;max-width:var(--wrap);margin:0 auto;padding:46px 22px 44px}
.pagehead h1{font-size:33px;line-height:1.3;font-weight:800}
.pagehead .lead{margin-top:14px;font-size:15.5px;line-height:1.85;color:#E3D7CA;max-width:40em}
.crumb{font-size:12.5px;color:#C6B3A2;margin-bottom:14px}
.crumb a{color:#DCCBB9}
.doc{max-width:var(--wrap);margin:0 auto;padding:48px 22px 0;display:grid;grid-template-columns:1fr 246px;gap:52px;align-items:start}
.doc__body{max-width:720px}
.doc__toc{position:sticky;top:22px;border-left:2px solid var(--line);padding-left:18px}
.doc__toc b{display:block;font-size:12px;letter-spacing:.18em;color:var(--copper);margin-bottom:10px}
.doc__toc a{display:block;font-size:13.5px;color:#544A40;padding:5px 0}
.doc__toc a:hover{color:var(--clay)}
.prose p{margin:14px 0;font-size:15.5px;line-height:1.9;color:#3C332A}
.prose ul{margin:14px 0;padding-left:2px}
.prose ul li{position:relative;padding-left:18px;margin:9px 0;font-size:15px;color:#3C332A}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--slate);border-radius:1px}
.prose h2{margin-top:38px;font-size:22px}
.prose h3{margin-top:26px;font-size:17px;color:#33291F}
.steps{margin-top:10px}
.step{display:grid;grid-template-columns:58px 1fr;gap:20px;padding:22px 0;border-top:1px dashed #D3C9B6}
.step:first-child{border-top:0}
.step__no{font-size:26px;font-weight:800;color:var(--copper);line-height:1.1;letter-spacing:.02em}
.step h3{margin-bottom:6px}
.step p{font-size:14.8px;color:#463D33;line-height:1.85}
.step .tip{margin-top:8px;font-size:13.5px;color:var(--slate)}
.tbl{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;background:var(--card)}
.tbl-note{font-size:12.5px;color:var(--muted);margin:18px 0 6px}
.tbl th,.tbl td{border:1px solid var(--line-soft);padding:10px 12px;text-align:left;vertical-align:top}
.tbl th{background:#EFE9DC;font-weight:700;color:#392F26}
.tbl td{color:#453C32}
.note{background:#FBF6EC;border-left:3px solid var(--copper);padding:14px 18px;margin:20px 0;font-size:14px;color:#4A4035;line-height:1.8}
.fig{margin:26px 0}
.fig img{width:auto;max-width:min(300px,100%);height:auto;margin:0 auto;border-radius:10px;box-shadow:0 0 0 1px var(--line-soft)}
.fig figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.rel{margin-top:44px;border-top:1px dashed #D3C9B6;padding-top:20px}
.rel h2{font-size:19px;margin-bottom:12px}
.rel ul li{margin:8px 0;font-size:14.5px}
.rise{animation:riseIn .6s cubic-bezier(.2,.7,.3,1) both}
.rise.d1{animation-delay:.07s}
@keyframes riseIn{from{opacity:0;clip-path:inset(0 0 26% 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
@media (prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;clip-path:none}}
@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;padding:46px 22px 50px;gap:34px}
  .hero h1{font-size:32px}
  .hero__shot{max-width:262px}
  .trio,.grid6,.quotes{grid-template-columns:repeat(2,1fr)}
  .shots{grid-template-columns:repeat(2,1fr)}
  .doc{grid-template-columns:1fr;gap:0;padding-top:36px}
  .doc__toc{display:none}
  .doc__body{max-width:none}
  .foot__in{grid-template-columns:1fr 1fr;gap:26px}
  .cta__in{padding:44px 22px}
  h2{font-size:23px}
  .pagehead h1{font-size:28px}
}
@media (max-width:620px){
  .top__in{flex-wrap:wrap;gap:12px;padding:12px 18px}
  .brand{flex:1 1 auto}
  .nav{flex:1 0 100%;justify-content:center;flex-wrap:wrap;margin-left:0;order:3}
  .btn.btn-primary{padding:11px 40px 11px 18px;font-size:14px}
  .hero h1{font-size:27px}
  .hero__lead{font-size:15px}
  .hero__shot{max-width:228px}
  .hero__meta{gap:16px 22px}
  .trio,.grid6,.quotes,.shots,.xentry{grid-template-columns:1fr}
  .wrap,.top__in,.hero__in,.strip__in,.doc,.cta__in,.foot__in,.pagehead__in{padding-left:18px;padding-right:18px}
  .sec{padding:40px 0 4px}
  h2{font-size:21px}
  .step{grid-template-columns:44px 1fr;gap:14px}
  .step__no{font-size:21px}
  .cta__in{flex-direction:column;align-items:flex-start}
  .foot__in{grid-template-columns:1fr}
  .pagehead h1{font-size:24px}
  .pagehead__in{padding:34px 18px 32px}
}