:root{
  --bg:#F1F4EC; --card:#FBFCF8; --alt:#E8EDDF; --line:#D6DECC;
  --main:#2F5D46; --main-d:#24493A; --clay:#C96F4A; --clay-soft:#F4E3D8;
  --ink:#22302A; --body:#46544C; --mut:#828F86;
  --wrap:1100px; --narrow:840px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--body);line-height:1.75;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--main);text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

.btn{display:inline-block;font-size:15px;font-weight:700;padding:10px 22px;border-radius:3px;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn--primary{background:var(--main);color:#F2F6F0}
.btn--primary:hover{background:var(--main-d)}
.btn--ghost{background:transparent;color:var(--main);border-color:var(--main)}
.btn--ghost:hover{background:var(--main);color:#F2F6F0}
.btn--top{background:var(--main);color:#F2F6F0;padding:8px 16px;font-size:14px}
.btn--top:hover{background:var(--main-d)}
.btn--top--alt{background:transparent;color:var(--main);border-color:var(--main)}
.btn--top--alt:hover{background:var(--main);color:#F2F6F0}
.btn--sm{padding:6px 14px;font-size:13px}

@keyframes drift{from{opacity:0;clip-path:inset(0 100% 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
.drift{animation:drift .6s cubic-bezier(.25,.7,.3,1) both}
.drift.d1{animation-delay:.1s}
@media (prefers-reduced-motion:reduce){.drift{animation:none;opacity:1;clip-path:none}}

.top{background:var(--card);border-top:3px double var(--line);border-bottom:3px double var(--line);position:sticky;top:0;z-index:50}
.top__in{max-width:var(--wrap);margin:0 auto;padding:12px 28px;display:flex;align-items:center;justify-content:center;gap:34px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{width:30px;height:30px;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1.3}
.brand__txt b{font-size:17px;color:var(--ink)}
.brand__txt i{font-style:normal;font-size:11px;color:var(--mut);letter-spacing:.06em}
.top__nav{display:flex;gap:22px}
.top__nav a{font-size:14px;color:var(--body)}
.top__nav a:hover{color:var(--main)}
.top__dl{display:flex;gap:8px}

.hero{padding:60px 0 54px;background:linear-gradient(120deg,var(--bg) 50%,var(--alt) 100%)}
.hero__in{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.hero h1{font-size:40px;line-height:1.25;color:var(--ink);margin-bottom:18px}
.hero__lead{font-size:16px;margin-bottom:26px;max-width:33em}
.hero__cta{display:flex;gap:12px;margin-bottom:26px}
.hero__meta{display:flex;gap:34px;list-style:none}
.hero__meta b{display:block;font-size:20px;color:var(--main)}
.hero__meta span{font-size:12px;color:var(--mut)}
.hero__fig{background:var(--card);border:1px solid var(--line);padding:14px;max-width:520px;justify-self:center}
.hero__fig img{width:100%;height:auto}
.hero__fig figcaption{font-size:12px;color:var(--mut);padding-top:8px;text-align:center}

.ribbon{background:var(--main);color:#E9EFE6}
.ribbon__in{display:flex;flex-wrap:wrap;gap:12px 38px;justify-content:center;padding:11px 28px;font-size:13px;letter-spacing:.12em}
.ribbon__in span::before{content:"—";margin-right:9px;color:var(--clay)}

.sec{padding:58px 0}
.sec--alt{background:var(--alt)}
.sechead{margin-bottom:30px;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.sechead__flag{flex:none;font-size:13px;font-weight:800;color:#F2F6F0;background:var(--clay);padding:3px 12px;letter-spacing:.14em;transform:translateY(-4px)}
.sechead h2{font-size:26px;color:var(--ink)}
.sechead__sub{font-size:14px;color:var(--mut)}
.sechead__sub::before{content:"";display:inline-block;width:26px;height:1px;background:var(--clay);vertical-align:middle;margin-right:10px}

.flags{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fcard{display:grid;grid-template-columns:56px 1fr;background:var(--card);border:1px solid var(--line);position:relative;margin-left:16px}
.fcard__flag{background:var(--main);color:#E9EFE6;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;margin-left:-16px;box-shadow:3px 3px 0 var(--clay-soft)}
.fcard__body{padding:16px 20px}
.fcard__body h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.fcard__body p{font-size:14px}

.shots{display:grid;grid-template-columns:1fr 1.6fr 1fr;gap:24px;align-items:start}
.shot{background:var(--card);border:1px solid var(--line);padding:14px 14px 10px;display:flex;flex-direction:column}
.shot img{width:100%;height:auto}
.shot figcaption{font-size:13px;color:var(--mut);text-align:center;padding-top:9px;margin-top:auto}

.lane{list-style:none;counter-reset:ln;max-width:var(--narrow);margin:0 auto}
.lane li{counter-increment:ln;background:var(--card);border:1px solid var(--line);padding:15px 20px 15px 62px;margin-bottom:12px;position:relative;font-size:15px}
.lane li::before{content:counter(ln);position:absolute;left:16px;top:12px;width:30px;height:30px;background:var(--clay);color:#FDF6F1;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.lane b{color:var(--ink);margin-right:6px}

.words{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.words blockquote{background:var(--card);border:1px solid var(--line);padding:20px 22px;position:relative}
.words blockquote::before{content:"“";position:absolute;right:14px;top:2px;font-size:44px;color:var(--clay-soft);font-family:serif}
.words p{font-size:14px;margin-bottom:12px;color:var(--ink);position:relative}
.words cite{font-size:12px;color:var(--mut);font-style:normal}

.qa{max-width:var(--narrow);margin:0 auto}
.qa details{background:var(--card);border:1px solid var(--line);margin-bottom:10px;padding:14px 20px}
.qa summary{cursor:pointer;font-weight:700;color:var(--ink);font-size:15px;list-style:none;position:relative;padding-right:26px}
.qa summary::after{content:"+";position:absolute;right:0;top:0;color:var(--clay);font-weight:800}
.qa details[open] summary::after{content:"−"}
.qa details p{margin-top:10px;font-size:14px}

.cta{background:var(--main);color:#E9EFE6;padding:36px 32px;margin-top:34px;text-align:center}
.cta h3{font-size:22px;margin-bottom:18px}
.cta__btns{display:flex;gap:14px;justify-content:center}
.cta .btn--primary{background:#F2F6F0;color:var(--main)}
.cta .btn--primary:hover{background:#fff}
.cta .btn--ghost{color:#F2F6F0;border-color:#F2F6F0}
.cta .btn--ghost:hover{background:#F2F6F0;color:var(--main)}

.foot{background:var(--card);border-top:1px solid var(--line)}
.foot__in{display:grid;grid-template-columns:1.5fr .8fr;gap:30px;align-items:center;padding:34px 28px}
.foot__brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.foot__brand img{width:30px;height:30px}
.foot__brand span{display:flex;flex-direction:column;line-height:1.35}
.foot__brand b{color:var(--ink);font-size:16px}
.foot__brand i{font-style:normal;font-size:12px;color:var(--mut)}
.foot__nav{display:flex;gap:18px;flex-wrap:wrap}
.foot__nav a{color:var(--body);font-size:13px}
.foot__nav a:hover{color:var(--main)}
.foot__right{display:flex;flex-direction:column;gap:10px;align-items:stretch;max-width:220px;justify-self:end}
.foot__right .btn{text-align:center}
.foot .btn--primary{background:var(--main);color:#F2F6F0}
.foot .btn--ghost{color:var(--main)}
.foot__legal{border-top:1px solid var(--line);padding:16px 28px 22px}
.foot__legal p{font-size:12px;color:var(--mut);line-height:1.7}

.pagehead{background:var(--card);border-bottom:1px solid var(--line);padding:44px 0 34px}
.pagehead h1{font-size:30px;color:var(--ink);margin-bottom:8px}
.pagehead p{font-size:14px;color:var(--mut);max-width:44em}
.crumb{font-size:12px;color:var(--mut);margin-bottom:14px}
.crumb a{color:var(--mut)}
.crumb a:hover{color:var(--main)}

.prose{max-width:var(--narrow);margin:0 auto}
.prose h2{font-size:24px;color:var(--ink);margin:44px 0 10px;display:flex;align-items:center;gap:12px}
.prose h2::before{content:"";flex:none;width:8px;height:22px;background:var(--clay)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:17px;color:var(--ink);margin:24px 0 8px}
.prose p{margin-bottom:14px;font-size:15px}
.prose ul,.prose ol{margin:0 0 14px 22px;font-size:15px}
.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:14px;background:var(--card)}
.prose th{background:var(--main);color:#F2F6F0;text-align:left;padding:9px 12px;font-weight:700}
.prose td{border:1px solid var(--line);padding:8px 12px}
.prose tr:nth-child(even) td{background:var(--alt)}
.prose .note{background:var(--clay-soft);border-left:4px solid var(--clay);padding:14px 18px;font-size:14px;margin:16px 0}

.duo2{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:18px 0 8px}
.duo2 figure{background:var(--card);border:1px solid var(--line);padding:14px}
.duo2 img{width:100%;height:auto}
.duo2 figcaption{font-size:13px;color:var(--mut);text-align:center;padding-top:8px}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:34px}
  .hero__fig{justify-self:stretch;max-width:none}
  .flags{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr 1fr}
  .shots .shot:nth-child(2){grid-column:1 / -1}
  .words{grid-template-columns:1fr}
  .foot__in{grid-template-columns:1fr}
  .foot__right{justify-self:start}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .top__in{padding:10px 18px;gap:12px}
  .hero{padding:40px 0}
  .hero h1{font-size:29px}
  .hero__meta{gap:20px;flex-wrap:wrap}
  .hero__cta{flex-wrap:wrap}
  .shots{grid-template-columns:1fr}
  .shots .shot:nth-child(2){grid-column:auto}
  .shots .shot{max-width:340px;width:100%;margin:0 auto}
  .duo2{grid-template-columns:1fr}
  .cta__btns{flex-direction:column;align-items:center}
  .btn--top{padding:7px 12px;font-size:13px}
  .prose h2{font-size:21px}
}