:root{
  --ink:#15211c;
  --ink-soft:#3d4a44;
  --muted:#6b7873;
  --paper:#f6f4ee;
  --paper-2:#efebe0;
  --card:#fffdf8;
  --line:#d9d3c4;
  --leaf:#1f5c46;
  --leaf-2:#2c7a5b;
  --sand:#c9a24a;
  --sand-soft:#efe1bf;
  --shadow:0 1px 0 rgba(21,33,28,.05),0 12px 28px -18px rgba(21,33,28,.35);
  --radius:14px;
  --rail:268px;
  --max:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  font-size:17px;
  line-height:1.85;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--leaf);text-decoration:none}
a:hover{color:var(--leaf-2);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.35;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(1.72rem,3.4vw,2.5rem);font-weight:800}
h2{font-size:clamp(1.28rem,2.2vw,1.62rem);font-weight:750}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin:.3em 0}
small{font-size:.82rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-head{
  background:var(--card);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40;
}
.head-bar{
  max-width:var(--max);margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{width:42px;height:42px;border-radius:11px;border:1px solid var(--line)}
.brand-txt strong{display:block;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:1.12rem;letter-spacing:.02em;line-height:1.2;color:var(--ink)}
.brand-txt span{display:block;font-size:.72rem;color:var(--muted);letter-spacing:.16em;text-transform:uppercase}
.nav-main{margin-left:auto;display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-main a{
  font-family:"Noto Sans SC","PingFang SC",sans-serif;
  font-size:.92rem;color:var(--ink-soft);padding:8px 11px;border-radius:9px;
}
.nav-main a:hover{background:var(--paper-2);text-decoration:none;color:var(--leaf)}
.nav-main a.is-active{background:var(--leaf);color:#fff}
.menu-btn{
  display:none;margin-left:auto;background:var(--paper-2);border:1px solid var(--line);
  border-radius:10px;padding:9px 13px;font-size:.9rem;font-family:inherit;color:var(--ink);
  cursor:pointer;
}
.head-note{
  border-top:1px dashed var(--line);background:var(--paper-2);
}
.head-note .wrap{padding-top:7px;padding-bottom:7px;font-size:.82rem;color:var(--ink-soft);display:flex;gap:14px;flex-wrap:wrap}

/* ---------- ham index layout ---------- */
.shell{
  max-width:var(--max);margin:0 auto;padding:28px 20px 8px;
  display:grid;gap:32px;
  grid-template-columns:var(--rail) minmax(0,1fr);
  align-items:start;
}
.rail{position:sticky;top:96px;font-family:"Noto Sans SC","PingFang SC",sans-serif}
.rail-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 15px;box-shadow:var(--shadow);margin-bottom:16px}
.rail-box h2{font-size:.86rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.9em;font-weight:700}
.rail-idx{list-style:none;margin:0;padding:0;counter-reset:idx}
.rail-idx li{counter-increment:idx;border-top:1px solid var(--paper-2)}
.rail-idx li:first-child{border-top:0}
.rail-idx a{display:flex;gap:9px;padding:8px 2px;font-size:.93rem;color:var(--ink-soft)}
.rail-idx a::before{content:counter(idx,decimal-leading-zero);color:var(--sand);font-size:.75rem;font-weight:700;padding-top:3px}
.rail-idx a:hover{text-decoration:none;color:var(--leaf)}
.rail-meta{font-size:.84rem;color:var(--muted);line-height:1.7}
.rail-tags{display:flex;flex-wrap:wrap;gap:7px}
.rail-tags a{font-size:.8rem;padding:4px 9px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft);background:var(--paper)}
.rail-tags a:hover{border-color:var(--leaf);color:var(--leaf);text-decoration:none}
.rail-stats{list-style:none;margin:0;padding:0;font-size:.86rem}
.rail-stats li{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px dotted var(--line)}
.rail-stats li:last-child{border-bottom:0}

/* ---------- sections ---------- */
section{margin-bottom:46px}
.sec-head{display:flex;align-items:baseline;gap:12px;border-bottom:2px solid var(--ink);padding-bottom:8px;margin-bottom:20px}
.sec-head h2{margin:0;font-size:1.22rem}
.sec-head span{font-size:.8rem;color:var(--muted);letter-spacing:.12em;font-family:"Noto Sans SC","PingFang SC",sans-serif}
.sec-head a.k{margin-left:auto;font-size:.83rem;font-family:"Noto Sans SC","PingFang SC",sans-serif}

/* hero: tall copy left, offset image right, no centered banner */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;align-items:end;margin-bottom:50px}
.hero-copy .kicker{font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sand);margin-bottom:12px}
.hero-copy h1{margin-bottom:.5em}
.hero-copy .lede{font-size:1.04rem;color:var(--ink-soft);border-left:3px solid var(--sand);padding-left:14px}
.hero-figure{position:relative}
.hero-figure img{border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(21,33,28,.82);color:#f3efe4;font-size:.78rem;
  padding:8px 11px;border-radius:9px;font-family:"Noto Sans SC","PingFang SC",sans-serif;
}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-block;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:.92rem;padding:11px 20px;border-radius:11px;border:1px solid var(--leaf);background:var(--leaf);color:#fff}
.btn:hover{background:var(--leaf-2);text-decoration:none;color:#fff}
.btn.ghost{background:transparent;color:var(--leaf)}

/* today strip */
.today{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.today-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 17px;box-shadow:var(--shadow)}
.today-card .tag{display:inline-block;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:.72rem;letter-spacing:.12em;color:var(--sand);border:1px solid var(--sand-soft);background:var(--sand-soft);padding:2px 8px;border-radius:6px;margin-bottom:9px}
.today-card h3{font-size:1rem;margin-bottom:.4em}
.today-card p{font-size:.9rem;color:var(--ink-soft);margin:0}

/* lead story zigzag */
.lead{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:center}
.lead.flip .lead-fig{order:2}
.lead-fig img{border-radius:var(--radius);box-shadow:var(--shadow)}
.lead-txt h3{font-size:1.3rem}
.lead-txt .meta{font-size:.8rem;color:var(--muted);font-family:"Noto Sans SC","PingFang SC",sans-serif;margin-bottom:.7em}

/* numbered list block */
.ranklist{list-style:none;margin:0;padding:0}
.ranklist li{display:grid;grid-template-columns:38px minmax(0,1fr);gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.ranklist li:last-child{border-bottom:0}
.ranklist .num{font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:1.05rem;font-weight:800;color:var(--sand)}
.ranklist h3{margin:0 0 .25em;font-size:1.02rem}
.ranklist p{margin:0;font-size:.9rem;color:var(--ink-soft)}

/* two-col card row */
.pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.pair article{display:grid;grid-template-columns:112px minmax(0,1fr);gap:13px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}
.pair img{border-radius:9px;height:100%;object-fit:cover}
.pair h3{font-size:.98rem;margin:.1em 0 .3em}
.pair p{font-size:.86rem;color:var(--ink-soft);margin:0}

/* quote / method band */
.band{background:var(--leaf);color:#eef3ef;border-radius:18px;padding:30px 28px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:26px;align-items:center}
.band h2{color:#fff}
.band p{color:#d6e2dc;margin-bottom:.7em}
.band img{border-radius:12px}
.band .btn{background:var(--sand);border-color:var(--sand);color:#241f12}
.band .btn:hover{background:#dbb55c;color:#241f12}

/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:13px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-weight:650;font-size:.97rem}
.faq p{margin:.7em 0 0;font-size:.92rem;color:var(--ink-soft)}

/* article entrance grid */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid3 article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.grid3 img{aspect-ratio:16/10;object-fit:cover;width:100%}
.grid3 .body{padding:14px 15px 16px}
.grid3 h3{font-size:.98rem;margin:0 0 .35em}
.grid3 p{font-size:.86rem;color:var(--ink-soft);margin:0}
.grid3 .meta{font-size:.75rem;color:var(--muted);margin-top:.7em;font-family:"Noto Sans SC","PingFang SC",sans-serif}

/* newsletter-ish closing */
.closing{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px;align-items:center;background:var(--paper-2);border:1px solid var(--line);border-radius:18px;padding:26px}
.closing img{border-radius:12px}

/* ---------- category page ---------- */
.cat-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:24px;align-items:center;margin-bottom:34px}
.cat-hero img{border-radius:var(--radius);box-shadow:var(--shadow)}
.crumbs{font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:.82rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 7px;color:var(--line)}
.article-breadcrumb{font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:.82rem;color:var(--muted);margin:-10px 0 20px}
.article-breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.article-breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--line)}
.article-breadcrumb a{color:var(--muted)}
.cat-list{list-style:none;margin:0;padding:0}
.cat-list li{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);align-items:center}
.cat-list li:last-child{border-bottom:0}
.cat-list h3{margin:0 0 .35em;font-size:1.1rem}
.cat-list p{margin:0;font-size:.92rem;color:var(--ink-soft)}
.cat-list img{border-radius:10px;aspect-ratio:4/3;object-fit:cover}
.cat-list .meta{font-size:.78rem;color:var(--muted);font-family:"Noto Sans SC","PingFang SC",sans-serif;margin-top:.5em}

/* ---------- article page ---------- */
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:36px;align-items:start}
.art-head h1{margin-bottom:.35em}
.art-meta{display:flex;gap:14px;flex-wrap:wrap;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:.82rem;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:22px}
.art-meta .who{color:var(--leaf);font-weight:650}
.art-body{font-size:1.02rem}
.art-body h2{margin-top:1.7em;padding-left:12px;border-left:4px solid var(--sand)}
.art-body figure{margin:1.6em 0}
.art-body figure img{border-radius:12px;box-shadow:var(--shadow)}
.art-body figcaption{font-size:.8rem;color:var(--muted);margin-top:.5em;text-align:center}
.art-body blockquote{margin:1.5em 0;padding:14px 18px;background:var(--card);border-left:3px solid var(--leaf);border-radius:0 10px 10px 0;color:var(--ink-soft);font-size:.97rem}
.art-body .keybox{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:1.6em 0}
.art-body .keybox h3{margin:0 0 .5em;font-size:.98rem;letter-spacing:.04em}
.art-body .keybox ul{margin:0;padding-left:1.15em;font-size:.93rem}
.art-foot{border-top:1px solid var(--line);margin-top:34px;padding-top:16px;font-size:.9rem;color:var(--ink-soft);display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between}

/* adjacent article variants */
.adj{padding:15px 0;border-top:1px solid var(--line)}
.adj .t{font-size:.75rem;letter-spacing:.14em;color:var(--sand);font-family:"Noto Sans SC","PingFang SC",sans-serif}
.adj-v1{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}

/* aside */
.art-aside{position:sticky;top:96px;font-family:"Noto Sans SC","PingFang SC",sans-serif}
.aside-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:16px}
.aside-box h2{font-size:.86rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:.85em}
.aside-rel{list-style:none;margin:0;padding:0}
.aside-rel li{padding:9px 0;border-top:1px solid var(--paper-2);font-size:.9rem}
.aside-rel li:first-child{border-top:0}
.aside-rel a{color:var(--ink-soft)}
.aside-rel a:hover{color:var(--leaf)}
.aside-rel li em{display:block;font-style:normal;font-size:.76rem;color:var(--muted);margin-top:2px}

/* ---------- footer ---------- */
.site-foot{background:#12201a;color:#c8d4cc;margin-top:56px;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-size:.88rem}
.foot-main{max-width:var(--max);margin:0 auto;padding:38px 20px 22px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}
.site-foot h3{color:#f1f5f1;font-size:.9rem;letter-spacing:.1em;margin-bottom:.8em;text-transform:uppercase}
.site-foot a{color:#c8d4cc}
.site-foot a:hover{color:#fff}
.foot-list{list-style:none;margin:0;padding:0}
.foot-list li{padding:3px 0}
.foot-brand{display:flex;gap:11px;align-items:center;margin-bottom:12px}
.foot-brand img{width:38px;height:38px;border-radius:9px}
.foot-brand strong{color:#fff;font-size:1rem;display:block}
.foot-brand span{font-size:.74rem;color:#8fa398;letter-spacing:.14em}
.foot-legal{border-top:1px solid #253830;background:#0e1a15}
.foot-legal .inner{max-width:var(--max);margin:0 auto;padding:14px 20px;display:flex;gap:8px 18px;flex-wrap:wrap;font-size:.79rem;color:#8fa398;align-items:center}
.foot-legal a{color:#8fa398}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  :root{--rail:220px}
  .split2,.today,.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-main{grid-template-columns:1fr 1fr}
  .art-grid{grid-template-columns:minmax(0,1fr)}
  .art-aside{position:static}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.8}
  .shell{grid-template-columns:minmax(0,1fr);gap:22px;padding:18px 16px 4px}
  .rail{position:static;order:2}
  .rail-box{margin-bottom:12px}
  .hero,.cat-hero,.lead,.band,.closing{grid-template-columns:minmax(0,1fr)}
  .lead.flip .lead-fig{order:0}
  .today,.pair,.grid3{grid-template-columns:minmax(0,1fr)}
  .pair article{grid-template-columns:96px minmax(0,1fr)}
  .cat-list li{grid-template-columns:minmax(0,1fr)}
  .cat-list img{max-width:260px}
  .head-bar{padding:10px 16px;gap:10px}
  .menu-btn{display:inline-block}
  .nav-main{display:none;width:100%;margin:8px 0 0;border-top:1px solid var(--line);padding-top:8px}
  .nav-main.open{display:flex}
  .nav-main a{flex:1 0 44%;text-align:center;padding:11px 8px}
  .hero-figure figcaption{position:static;margin-top:10px;background:var(--paper-2);color:var(--ink-soft)}
  .band{padding:22px 18px}
  .closing{padding:18px}
  .foot-main{grid-template-columns:minmax(0,1fr);gap:20px;padding:26px 16px 18px}
  .wrap{padding:0 16px}
  section{margin-bottom:34px}
  .art-body{font-size:.99rem}
  .art-meta{gap:10px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}