:root{
  --bg:#ECEFE7;
  --paper:#FFFFFF;
  --panel:#F6F8F2;
  --dark:#232A24;
  --ink:#1D2420;
  --ink2:#3E4A40;
  --muted:#5F6A60;
  --line:#D8DED4;
  --brand:#8E3B2E;
  --brand2:#274B63;
  --accent:#D3A33B;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  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:1.76;
  overflow-wrap:break-word;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand2);text-decoration:none}
h1,h2,h3,h4,p,figure,figcaption,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{width:100%;max-width:1108px;margin:0 auto;padding:0 22px}

.top{position:sticky;top:0;z-index:40;background:rgba(236,239,231,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.top__in{display:flex;align-items:center;gap:18px;max-width:1108px;margin:0 auto;padding:12px 22px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{width:38px;height:38px;border-radius:50%}
.brand b{font-size:16.5px;letter-spacing:.5px}
.brand i{display:none}
.nav{display:flex;align-items:center;gap:1px;margin-left:auto;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--paper)}
.nav a{padding:6px 13px;border-radius:999px;font-size:14px;color:var(--ink2);white-space:nowrap}
.nav a:hover{color:var(--brand)}
.nav a[aria-current="page"]{background:var(--brand);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:0;font-size:14.5px;font-weight:700;letter-spacing:.8px;white-space:nowrap;cursor:pointer}
.btn.btn-primary{display:inline-flex;width:auto;padding:12px 22px;background:var(--brand);color:#fff;box-shadow:5px 5px 0 rgba(142,59,46,.18)}
.btn.btn-primary:hover{background:#7A3025;color:#fff}
.btn.btn-ghost{display:inline-flex;width:auto;padding:11px 20px;background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn.btn-ghost:hover{background:rgba(142,59,46,.07);color:var(--brand)}
.top__get{flex:0 0 auto}

.hero{padding:48px 0 10px}
.hero__in{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:46px;align-items:center;padding:0 22px}
.kicker{font-size:11.5px;letter-spacing:2.2px;color:var(--brand);margin-bottom:12px;font-weight:700}
.hero h1{font-size:39px;line-height:1.24;letter-spacing:-.6px;margin-bottom:15px}
.lead{font-size:16px;color:var(--ink2);max-width:32em}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero__meta{margin-top:14px;font-size:12.5px;color:var(--muted)}
.hero__shot img{width:auto;max-width:300px;height:auto;margin:0 auto;border-radius:4px;border:1px solid var(--line);box-shadow:0 16px 34px rgba(29,36,32,.10)}
.hero__shot figcaption{margin-top:12px;text-align:center;font-size:12px;color:var(--muted)}

.cols{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:46px;padding:52px 22px 0;max-width:1108px;margin:0 auto}
.main-col{min-width:0}
.side{position:sticky;top:92px;align-self:start}
.side__box{background:var(--paper);border:1px solid var(--line);padding:22px 20px;margin-bottom:18px}
.side__box h3{font-size:14px;letter-spacing:1.2px;color:var(--brand);margin-bottom:12px;text-transform:uppercase}
.side__list li{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--ink2);padding:7px 0;border-bottom:1px dashed var(--line)}
.side__list li:last-child{border-bottom:0}
.side__list b{color:var(--ink);font-weight:600}
.side__toc a{display:block;font-size:13.5px;color:var(--ink2);padding:6px 0 6px 12px;border-left:2px solid var(--line)}
.side__toc a:hover{border-left-color:var(--brand);color:var(--brand)}
.side .btn{width:100%;margin-top:4px}

.sec{padding:0 0 46px}
.sec--flat{padding-top:0}
.aside{border-left:3px solid var(--accent);background:var(--panel);padding:14px 18px;margin:16px 0;font-size:14.5px;color:var(--ink2)}
.sec__head{margin-bottom:22px}
.sec__head h2{font-size:25px;line-height:1.36;letter-spacing:-.2px}
.sec__head p{margin-top:8px;font-size:14.5px;color:var(--muted);max-width:44em}

.split{display:grid;gap:14px}
.split article{display:grid;grid-template-columns:66px minmax(0,1fr);background:var(--paper);border:1px solid var(--line)}
.split .tag{background:var(--dark);color:#E9EEE5;display:flex;align-items:center;justify-content:center;font-size:12px;letter-spacing:1.4px;writing-mode:vertical-rl}
.split .body{padding:20px 22px 18px}
.split h3{font-size:16.5px;margin-bottom:6px}
.split p{font-size:14.5px;color:var(--ink2)}
.split .meta{margin-top:9px;font-size:12.5px;color:var(--muted);letter-spacing:.4px}

.shots{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.shots figure{margin:0;background:var(--paper);border:1px solid var(--line)}
.shots img{width:100%;height:auto}
.shots figcaption{padding:11px 14px 13px;font-size:13px;color:var(--ink2);border-top:1px solid var(--line)}

.qa{border-top:1px solid var(--line)}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{display:flex;justify-content:space-between;gap:14px;padding:14px 2px;font-size:15px;font-weight:600;cursor:pointer;list-style:none}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"▸";color:var(--accent);font-size:13px}
.qa details[open] summary::after{content:"▾"}
.qa p{padding:0 2px 14px;font-size:14.5px;color:var(--ink2)}

.cta{margin-top:8px}
.cta__box{background:var(--dark);padding:34px 30px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.cta__box h2{color:#EFF2EA;font-size:21px}
.cta__box p{color:#A8B3A5;font-size:13.5px;margin-top:6px}
.cta__box .btn.btn-primary{background:var(--accent);color:#2A2410;box-shadow:none}
.cta__box .btn.btn-primary:hover{background:#E4B54B;color:#2A2410}

.foot{margin-top:56px;background:var(--paper);border-top:1px solid var(--line);padding:38px 0 26px}
.foot__in{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr;gap:26px;padding:0 22px}
.foot__brand img{width:36px;height:36px;border-radius:50%;margin-bottom:10px}
.foot__brand b{display:block;font-size:15px}
.foot__brand p{margin-top:7px;font-size:12.5px;color:var(--muted);max-width:24em}
.foot__col h3{font-size:12px;letter-spacing:1.3px;color:var(--muted);margin-bottom:9px}
.foot__col a,.foot__col p{display:block;font-size:13px;color:var(--ink2);padding:3px 0}
.foot__col a:hover{color:var(--brand)}
.foot__note{grid-column:1/-1;border-top:1px solid var(--line);margin-top:10px;padding-top:16px;font-size:12.5px;color:var(--muted)}
.foot__copy{grid-column:1/-1;font-size:12px;color:#87927F}

.page-hero{padding:42px 0 4px}
.page-hero h1{font-size:30px;line-height:1.32;letter-spacing:-.3px;margin-bottom:13px}
.page-hero .lead{max-width:40em}
.crumbs{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.prose{max-width:760px;padding-top:4px}
.prose h2{font-size:21px;margin:34px 0 10px}
.prose h2 span{color:var(--accent);margin-right:8px;font-size:15px}
.prose h3{font-size:16.5px;color:var(--brand);margin:22px 0 6px}
.prose p{font-size:15.5px;color:var(--ink2);margin-bottom:12px}
.prose ul{margin:8px 0 14px}
.prose li{font-size:15px;color:var(--ink2);padding-left:16px;position:relative;margin-bottom:5px}
.prose li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;background:var(--accent)}
.prose figure{margin:22px 0}
.prose figure img{width:auto;max-width:min(330px,100%);height:auto;margin:0 auto;border:1px solid var(--line)}
.prose figcaption{margin-top:9px;text-align:center;font-size:12.5px;color:var(--muted)}
.table{width:100%;border-collapse:collapse;margin:14px 0 18px;font-size:14px}
.table th,.table td{border:1px solid var(--line);padding:9px 12px;text-align:left;color:var(--ink2)}
.table th{background:var(--panel);color:var(--ink);font-weight:600;font-size:13px;letter-spacing:.6px}
.next{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:36px}
.next a{display:block;border-left:3px solid var(--accent);background:var(--panel);padding:16px 18px}
.next b{display:block;font-size:15px;color:var(--ink);margin-bottom:3px}
.next span{font-size:12.5px;color:var(--muted)}
.next a:hover{background:#EFF2E9}

@keyframes wipeU{from{opacity:0;clip-path:inset(100% 0 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
.u{animation:wipeU .58s cubic-bezier(.22,.7,.24,1) both}
.d1{animation-delay:.07s}
@media (prefers-reduced-motion:reduce){.u{animation:none;opacity:1;clip-path:none}}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:30px}
  .hero h1{font-size:32px}
  .hero__shot img{max-width:280px}
  .cols{grid-template-columns:1fr;gap:34px}
  .side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .shots{grid-template-columns:1fr 1fr}
  .foot__in{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .top__in{flex-wrap:wrap;gap:10px}
  .brand{order:1}
  .top__get{order:2;margin-left:auto;padding:10px 18px}
  .nav{order:3;flex:1 0 100%;margin-left:0;justify-content:center;flex-wrap:wrap;border-radius:10px}
  .nav a{padding:6px 10px;font-size:13.5px}
  .hero{padding-top:30px}
  .hero h1{font-size:27px}
  .hero__shot img{max-width:240px}
  .side{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr}
  .split article{grid-template-columns:44px minmax(0,1fr)}
  .next{grid-template-columns:1fr}
  .foot__in{grid-template-columns:1fr}
  .cta__box{padding:26px 20px}
  .cta__box h2{font-size:18px}
  .page-hero h1{font-size:25px}
  .table{font-size:13px}
}