:root{
  --brand:#1a6b3c;
  --brand-light:#2e9e63;
  --brand-glow:rgba(46,158,99,.35);
  --accent:#f5a623;
  --bg:#f7f8f7;
  --bg-soft:#eef2ef;
  --surface:#ffffff;
  --surface-2:#f4f7f5;
  --text:#1f2a24;
  --text-soft:#4a5a51;
  --text-mute:#7d8c84;
  --border:#e2e8e4;
  --shadow-sm:0 1px 3px rgba(20,50,35,.06),0 1px 2px rgba(20,50,35,.04);
  --shadow-md:0 6px 20px rgba(20,50,35,.08),0 2px 6px rgba(20,50,35,.04);
  --shadow-lg:0 16px 40px rgba(20,50,35,.12),0 4px 12px rgba(20,50,35,.06);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --header-h:64px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}

html{
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
  -webkit-text-size-adjust:100%;
}

body{
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.8;
  font-size:16px;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  background-image:radial-gradient(circle at 12% -8%,rgba(46,158,99,.07),transparent 42%),radial-gradient(circle at 92% 4%,rgba(245,166,35,.06),transparent 40%);
  background-attachment:fixed;
  transition:background-color .35s var(--ease),color .35s var(--ease);
}

a{
  color:var(--brand);
  text-decoration:none;
  transition:color .22s var(--ease),opacity .22s var(--ease);
  word-break:break-word;
}
a:hover{color:var(--brand-light);text-decoration:none;opacity:.92}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-light);
  outline-offset:2px;
  border-radius:4px;
}

img,svg{max-width:100%;display:block;height:auto}

::selection{background:var(--brand-glow);color:#0d3320}

h1,h2,h3,h4,h5,h6{line-height:1.35;font-weight:700;color:var(--text);letter-spacing:.2px}

/* ============ HEADER ============ */
header.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  border-bottom:1px solid rgba(226,232,228,.7);
  box-shadow:0 1px 0 rgba(20,50,35,.03),0 4px 24px rgba(20,50,35,.05);
  transition:background-color .35s var(--ease),box-shadow .35s var(--ease);
}

.header-inner{
  max-width:1200px;
  margin:0 auto;
  padding:12px 20px;
  display:flex;
  align-items:center;
  gap:20px;
  min-height:var(--header-h);
}

.logo{
  font-size:22px;
  font-weight:800;
  color:var(--brand);
  white-space:nowrap;
  letter-spacing:.6px;
  position:relative;
  padding-left:2px;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-light) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  transition:transform .3s var(--ease),filter .3s var(--ease);
}
.logo:hover{transform:translateY(-1px) scale(1.02);filter:brightness(1.08);-webkit-text-fill-color:transparent}

nav.main-nav{
  display:flex;
  gap:4px;
  flex-wrap:wrap;
  flex:1;
  align-items:center;
}

nav.main-nav a{
  font-size:14.5px;
  color:var(--text-soft);
  padding:7px 12px;
  border-radius:8px;
  position:relative;
  transition:color .22s var(--ease),background-color .22s var(--ease);
  white-space:nowrap;
}
nav.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light));
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
nav.main-nav a:hover{
  color:var(--brand);
  background:rgba(46,158,99,.08);
}
nav.main-nav a:hover::after{transform:scaleX(1)}

.search-box{
  display:flex;
  gap:6px;
  align-items:center;
}

.search-box input{
  padding:8px 12px;
  border:1.5px solid var(--border);
  border-radius:10px;
  font-size:14px;
  width:160px;
  background:var(--surface-2);
  color:var(--text);
  font-family:inherit;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),width .3s var(--ease);
}
.search-box input::placeholder{color:var(--text-mute)}
.search-box input:focus{
  outline:none;
  border-color:var(--brand-light);
  background:var(--surface);
  box-shadow:0 0 0 3px var(--brand-glow);
  width:190px;
}

.search-box button{
  padding:8px 16px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;
  border:none;
  border-radius:10px;
  cursor:pointer;
  font-size:14px;
  font-weight:600;
  font-family:inherit;
  box-shadow:0 2px 8px var(--brand-glow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.search-box button:hover{
  transform:translateY(-1px);
  box-shadow:0 6px 16px var(--brand-glow);
  filter:brightness(1.06);
}
.search-box button:active{transform:translateY(0) scale(.98)}

.theme-btn{
  background:var(--surface-2);
  border:1.5px solid var(--border);
  color:var(--brand);
  border-radius:10px;
  padding:8px 14px;
  cursor:pointer;
  font-size:14px;
  font-weight:600;
  font-family:inherit;
  white-space:nowrap;
  transition:all .25s var(--ease);
}
.theme-btn:hover{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
  transform:translateY(-1px);
  box-shadow:0 4px 12px var(--brand-glow);
}

.menu-toggle{
  display:none;
  background:var(--surface-2);
  border:1.5px solid var(--border);
  font-size:20px;
  cursor:pointer;
  color:var(--brand);
  border-radius:10px;
  width:42px;
  height:42px;
  line-height:1;
  align-items:center;
  justify-content:center;
  transition:all .22s var(--ease);
}
.menu-toggle:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ============ MAIN ============ */
main{
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

.breadcrumb{
  font-size:13px;
  color:var(--text-mute);
  padding:16px 0;
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-soft);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--text-mute)}

/* ============ HERO ============ */
.hero{padding-top:8px}

.hero > h1{
  font-size:clamp(24px,3.4vw,38px);
  line-height:1.3;
  margin-bottom:16px;
  background:linear-gradient(120deg,#134d2b 0%,var(--brand) 40%,var(--brand-light) 90%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  letter-spacing:.5px;
}

.hero > p{
  font-size:15.5px;
  color:var(--text-soft);
  margin-bottom:8px;
  max-width:900px;
}

/* ============ BANNER ============ */
.banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  margin-top:24px;
  background:linear-gradient(135deg,#0f4d2c 0%,#1a6b3c 45%,#2e9e63 100%);
  box-shadow:var(--shadow-lg);
  isolation:isolate;
  min-height:220px;
}
.banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 82% 18%,rgba(245,166,35,.28),transparent 46%),
    radial-gradient(circle at 8% 92%,rgba(255,255,255,.14),transparent 40%),
    radial-gradient(circle at 50% 50%,rgba(255,255,255,.06),transparent 60%);
  z-index:-1;
  pointer-events:none;
}
.banner::after{
  content:"";
  position:absolute;
  top:-40%;
  right:-10%;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);
  filter:blur(6px);
  z-index:-1;
  pointer-events:none;
  animation:floatGlow 9s ease-in-out infinite;
}

@keyframes floatGlow{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-24px,18px) scale(1.08)}
}

.banner .slide{
  display:none;
  padding:52px 40px 64px;
  color:#fff;
  animation:slideIn .65s var(--ease);
}
.banner .slide.active{display:block}

@keyframes slideIn{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:none}
}

.banner .slide h2{
  color:#fff;
  border:none;
  padding:0;
  font-size:clamp(22px,2.8vw,30px);
  margin-bottom:12px;
  text-shadow:0 2px 12px rgba(0,0,0,.18);
  letter-spacing:.5px;
}
.banner .slide p{
  color:rgba(255,255,255,.9);
  font-size:15.5px;
  max-width:760px;
  margin:0;
  text-shadow:0 1px 6px rgba(0,0,0,.12);
}

.banner-dots{
  position:absolute;
  bottom:20px;
  left:40px;
  display:flex;
  gap:10px;
  z-index:2;
}
.banner-dots span{
  width:10px;
  height:10px;
  border-radius:50%;
  background:rgba(255,255,255,.42);
  cursor:pointer;
  transition:all .3s var(--ease);
}
.banner-dots span:hover{background:rgba(255,255,255,.7);transform:scale(1.15)}
.banner-dots span.active{
  background:#fff;
  width:28px;
  border-radius:6px;
  box-shadow:0 0 12px rgba(255,255,255,.6);
}

/* ============ STATS ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:24px;
}
.stat{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px 16px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  position:relative;
  overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.stat::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light),var(--accent));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .4s var(--ease);
}
.stat:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(46,158,99,.3);
}
.stat:hover::before{transform:scaleX(1)}
.stat .num{
  font-size:clamp(26px,3vw,34px);
  font-weight:800;
  color:var(--brand);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.stat .label{
  font-size:13.5px;
  color:var(--text-mute);
  margin-top:8px;
  letter-spacing:.3px;
}

/* ============ SECTIONS ============ */
section{
  padding:44px 0;
  border-bottom:1px solid var(--border);
  scroll-margin-top:calc(var(--header-h) + 12px);
}
section:last-of-type{border-bottom:none}

section h2{
  font-size:clamp(21px,2.4vw,27px);
  color:var(--brand);
  margin-bottom:22px;
  position:relative;
  padding-left:16px;
  letter-spacing:.4px;
}
section h2::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:5px;
  height:1.1em;
  border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-light));
  box-shadow:0 0 10px var(--brand-glow);
}

section h3{
  font-size:clamp(17px,1.8vw,19.5px);
  margin:26px 0 12px;
  color:var(--text);
  letter-spacing:.2px;
}
section h3:first-of-type{margin-top:8px}

section h4{
  font-size:16px;
  margin:18px 0 8px;
  color:var(--text-soft);
  letter-spacing:.2px;
}

section p{
  margin-bottom:14px;
  color:var(--text-soft);
  font-size:15.5px;
}

/* ============ GRID & CARDS ============ */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-sm);
  position:relative;
  overflow:hidden;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:linear-gradient(135deg,rgba(46,158,99,.06),transparent 55%);
  opacity:0;
  transition:opacity .32s var(--ease);
  pointer-events:none;
}
.card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-md);
  border-color:rgba(46,158,99,.32);
}
.card:hover::after{opacity:1}
.card h3{
  margin-top:0;
  margin-bottom:10px;
  font-size:17.5px;
  color:var(--brand);
  position:relative;
  z-index:1;
}
.card p{
  margin-bottom:8px;
  font-size:14.5px;
  color:var(--text-soft);
  position:relative;
  z-index:1;
}
.card p:last-child{margin-bottom:0}

/* ============ ARTICLE LIST ============ */
.article-list article{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px 24px;
  margin-bottom:16px;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.article-list article::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--brand),var(--brand-light));
  opacity:0;
  transform:scaleY(.4);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.article-list article:hover{
  transform:translateX(4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(46,158,99,.28);
}
.article-list article:hover::before{opacity:1;transform:scaleY(1)}

.article-list h3{
  margin:0 0 8px;
  font-size:17.5px;
  color:var(--text);
  transition:color .25s var(--ease);
}
.article-list article:hover h3{color:var(--brand)}

.article-list .meta{
  font-size:13px;
  color:var(--text-mute);
  margin-bottom:10px;
  display:flex;
  flex-wrap:wrap;
  gap:4px 10px;
  align-items:center;
}
.article-list .meta::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-light);
  display:inline-block;
  box-shadow:0 0 6px var(--brand-glow);
}

.article-list .summary{
  font-size:14.8px;
  color:var(--text-soft);
  margin-bottom:12px;
  line-height:1.75;
}

.read-more{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap .25s var(--ease),color .22s var(--ease);
}
.read-more::after{content:"→";transition:transform .25s var(--ease)}
.read-more:hover{color:var(--brand-light);gap:8px}
.read-more:hover::after{transform:translateX(2px)}

/* ============ FAQ ============ */
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  margin-bottom:12px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.faq-item:hover{border-color:rgba(46,158,99,.3);box-shadow:var(--shadow-md)}
.faq-item.open{
  border-color:rgba(46,158,99,.4);
  box-shadow:var(--shadow-md);
}

.faq-q{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  padding:17px 22px;
  font-size:15.5px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  font-family:inherit;
  line-height:1.55;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.faq-q:hover{color:var(--brand);background:rgba(46,158,99,.04)}
.faq-q::after{
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--brand);
  flex-shrink:0;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(46,158,99,.1);
  transition:transform .35s var(--ease),background-color .3s var(--ease),color .3s var(--ease);
}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q::after{
  content:"−";
  transform:rotate(180deg);
  background:var(--brand);
  color:#fff;
}

.faq-a{
  display:none;
  padding:0 22px 18px;
  font-size:14.8px;
  color:var(--text-soft);
  line-height:1.8;
  animation:fadeSlide .4s var(--ease);
}
.faq-item.open .faq-a{display:block}

@keyframes fadeSlide{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:none}
}

/* ============ HOWTO ============ */
.howto ol{
  padding-left:0;
  margin-bottom:16px;
  list-style:none;
  counter-reset:howto;
}
.howto li{
  margin-bottom:12px;
  font-size:15.3px;
  color:var(--text-soft);
  position:relative;
  padding:10px 16px 10px 48px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  counter-increment:howto;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.howto li::before{
  content:counter(howto);
  position:absolute;
  left:14px;
  top:50%;
  transform:translateY(-50%);
  width:24px;
  height:24px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 2px 8px var(--brand-glow);
}
.howto li:hover{
  transform:translateX(4px);
  border-color:rgba(46,158,99,.32);
  box-shadow:var(--shadow-sm);
}

/* ============ CONTACT ============ */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.contact-grid .card p{margin-bottom:8px}
.contact-grid .card p:last-child{margin-bottom:0}

/* ============ FOOTER ============ */
footer.site-footer{
  background:linear-gradient(160deg,#0e1f17 0%,#14251c 55%,#183024 100%);
  color:#c9d6cf;
  padding:48px 20px 24px;
  font-size:14px;
  margin-top:20px;
  position:relative;
  overflow:hidden;
}
footer.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light),var(--accent));
  opacity:.85;
}

.footer-inner{
  max-width:1200px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
}
footer.site-footer h4{
  color:#fff;
  margin-bottom:14px;
  font-size:15.5px;
  letter-spacing:.4px;
  position:relative;
  padding-bottom:8px;
}
footer.site-footer h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:26px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand-light),var(--accent));
}
footer.site-footer p{
  color:#9fb8ab;
  font-size:13.5px;
  line-height:1.75;
  margin-bottom:8px;
}
footer.site-footer a{
  color:#a9c4b5;
  display:block;
  margin-bottom:9px;
  font-size:13.8px;
  transition:color .22s var(--ease),transform .22s var(--ease),padding-left .22s var(--ease);
  position:relative;
}
footer.site-footer a:hover{
  color:#fff;
  transform:translateX(3px);
}

.footer-bottom{
  max-width:1200px;
  margin:32px auto 0;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:12.8px;
  color:#7f998c;
  text-align:center;
  line-height:1.7;
}
.footer-bottom p{margin:0;color:#7f998c}

/* ============ BACK TOP ============ */
.back-top{
  position:fixed;
  right:22px;
  bottom:22px;
  width:46px;
  height:46px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;
  border:none;
  font-size:20px;
  cursor:pointer;
  display:none;
  z-index:200;
  box-shadow:0 6px 20px var(--brand-glow),0 2px 6px rgba(0,0,0,.15);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),filter .28s var(--ease);
  align-items:center;
  justify-content:center;
}
.back-top:hover{
  transform:translateY(-4px) scale(1.06);
  box-shadow:0 10px 28px var(--brand-glow);
  filter:brightness(1.08);
}
.back-top:active{transform:translateY(-1px) scale(.98)}

/* ============ REVEAL ANIMATION ============ */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
  will-change:opacity,transform;
}
.reveal.visible{
  opacity:1;
  transform:none;
}

/* ============ DARK MODE ============ */
body.dark{
  --bg:#0f1512;
  --bg-soft:#141c17;
  --surface:#18211c;
  --surface-2:#1d2822;
  --text:#dfe8e2;
  --text-soft:#b3c2b9;
  --text-mute:#8397 8c;
  --border:#26332b;
  --shadow-sm:0 1px 3px rgba(0,0,0,.4);
  --shadow-md:0 6px 20px rgba(0,0,0,.45);
  --shadow-lg:0 16px 40px rgba(0,0,0,.5);
  background-color:#0f1512;
  color:var(--text);
  background-image:radial-gradient(circle at 12% -8%,rgba(46,158,99,.12),transparent 42%),radial-gradient(circle at 92% 4%,rgba(245,166,35,.07),transparent 40%);
}

body.dark header.site-header{
  background:rgba(24,33,28,.82);
  border-bottom-color:rgba(38,51,43,.9);
  box-shadow:0 4px 24px rgba(0,0,0,.35);
}
body.dark .logo{
  background:linear-gradient(120deg,#5fbf8a 0%,#8fe0b3 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
body.dark nav.main-nav a{color:#b3c2b9}
body.dark nav.main-nav a:hover{color:#8fe0b3;background:rgba(95,191,138,.1)}
body.dark .search-box input{
  background:#141c17;
  border-color:#26332b;
  color:#dfe8e2;
}
body.dark .search-box input:focus{background:#1d2822;border-color:#5fbf8a}
body.dark .theme-btn{
  background:#1d2822;
  border-color:#2e3d34;
  color:#8fe0b3;
}
body.dark .theme-btn:hover{background:#5fbf8a;color:#0f1512;border-color:#5fbf8a}
body.dark .menu-toggle{
  background:#1d2822;
  border-color:#2e3d34;
  color:#8fe0b3;
}

body.dark section h2{color:#5fbf8a}
body.dark section h2::before{background:linear-gradient(180deg,#5fbf8a,#8fe0b3);box-shadow:0 0 12px rgba(95,191,138,.4)}
body.dark .hero > h1{
  background:linear-gradient(120deg,#8fe0b3 0%,#5fbf8a 50%,#3fb87a 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
body.dark .banner{
  background:linear-gradient(135deg,#0d3a23 0%,#155c34 50%,#1f8a52 100%);
}
body.dark .card,
body.dark .article-list article,
body.dark .faq-item,
body.dark .stat,
body.dark .howto li{
  background:#18211c;
  border-color:#26332b;
  color:#dfe8e2;
}
body.dark .card h3{color:#8fe0b3}
body.dark .card:hover{border-color:rgba(95,191,138,.4)}
body.dark section p,
body.dark .faq-a,
body.dark .article-list .summary,
body.dark .card p,
body.dark .howto li{color:#b3c2b9}
body.dark .article-list h3{color:#dfe8e2}
body.dark .article-list article:hover h3{color:#8fe0b3}
body.dark .article-list .meta{color:#83978c}
body.dark .stat .num{color:#5fbf8a}
body.dark .stat .label{color:#83978c}
body.dark .faq-q{color:#dfe8e2}
body.dark .faq-q:hover{color:#8fe0b3;background:rgba(95,191,138,.06)}
body.dark .faq-q::after{background:rgba(95,191,138,.14);color:#8fe0b3}
body.dark .faq-item.open .faq-q{color:#8fe0b3}
body.dark .faq-item.open .faq-q::after{background:#5fbf8a;color:#0f1512}
body.dark .howto li::before{background:linear-gradient(135deg,#3fb87a,#8fe0b3);color:#0f1512}
body.dark .breadcrumb a{color:#b3c2b9}
body.dark .breadcrumb a:hover{color:#8fe0b3}
body.dark .breadcrumb span{color:#83978c}
body.dark ::selection{background:rgba(95,191,138,.35);color:#eafff2}
body.dark .read-more{color:#5fbf8a}
body.dark .read-more:hover{color:#8fe0b3}
body.dark footer.site-footer{
  background:linear-gradient(160deg,#0a120d 0%,#0f1a13 55%,#132019 100%);
}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .header-inner{gap:14px;padding:10px 16px}
  nav.main-nav{gap:2px}
  nav.main-nav a{padding:6px 9px;font-size:14px}
  .search-box input{width:130px}
  .search-box input:focus{width:150px}
  .footer-inner{grid-template-columns:1.3fr 1fr 1fr;gap:26px}
  .footer-inner > div:last-child{grid-column:1/-1}
}

@media(max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-inner > div:last-child{grid-column:auto}
  .stats{grid-template-columns:repeat(2,1fr)}
  .banner .slide{padding:44px 32px 60px}
  .banner-dots{left:32px}
}

@media(max-width:768px){
  :root{--header-h:60px}
  .header-inner{flex-wrap:wrap;padding:10px 16px;gap:10px}
  .logo{font-size:20px}
  .menu-toggle{display:flex;order:2}
  .search-box{order:3;flex:1;min-width:0}
  .search-box input{width:100%;flex:1}
  .search-box input:focus{width:100%}
  .theme-btn{order:4;padding:8px 12px}
  nav.main-nav{
    display:none;
    order:5;
    flex-direction:column;
    width:100%;
    background:var(--surface);
    padding:8px;
    border-radius:var(--radius-sm);
    border:1px solid var(--border);
    box-shadow:var(--shadow-md);
    gap:2px;
  }
  nav.main-nav.open{display:flex;animation:fadeSlide .3s var(--ease)}
  nav.main-nav a{width:100%;padding:10px 14px;font-size:15px;border-radius:8px}
  nav.main-nav a::after{display:none}
  nav.main-nav a:hover{background:rgba(46,158,99,.1)}
  body.dark nav.main-nav{background:#18211c;border-color:#26332b}
  body.dark nav.main-nav a:hover{background:rgba(95,191,138,.12)}

  main{padding:0 16px}
  section{padding:36px 0}
  section h2{margin-bottom:18px}
  .hero > h1{font-size:23px}
  .hero > p{font-size:15px}
  .banner{border-radius:var(--radius);margin-top:20px;min-height:auto}
  .banner .slide{padding:34px 22px 54px}
  .banner-dots{left:22px;bottom:16px}
  .stats{gap:12px}
  .stat{padding:18px 12px}
  .card{padding:20px}
  .article-list article{padding:18px 20px}
  .article-list article:hover{transform:none}
  .contact-grid{gap:16px}
  footer.site-footer{padding:36px 16px 20px}
}

@media(max-width:640px){
  .grid-3,.grid-2,.contact-grid,.footer-inner{grid-template-columns:1fr}
  .footer-inner{gap:24px}
  .banner .slide{padding:30px 20px 52px}
  .banner .slide h2{font-size:21px}
  .banner .slide p{font-size:14.5px}
  .stats{grid-template-columns:1fr 1fr}
  .howto li{padding:10px 14px 10px 44px;font-size:14.8px}
  .faq-q{padding:15px 16px;font-size:15px}
  .faq-a{padding:0 16px 16px;font-size:14.5px}
  .back-top{right:14px;bottom:14px;width:42px;height:42px}
  section h2{padding-left:14px}
}

@media(max-width:400px){
  .stats{grid-template-columns:1fr}
  .logo{font-size:18px}
  .theme-btn{padding:7px 10px;font-size:13px}
}

/* ============ ACCESSIBILITY / MOTION ============ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}

@media(hover:none){
  .card:hover,.stat:hover,.article-list article:hover,.howto li:hover{transform:none}
  .search-box input:focus{width:100%}
}

/* ============ PRINT ============ */
@media print{
  header.site-header,footer.site-footer,.back-top,.banner-dots,.theme-btn,.menu-toggle,.search-box{display:none !important}
  body{background:#fff;color:#000}
  .reveal{opacity:1;transform:none}
  a{color:#000;text-decoration:underline}
  section{page-break-inside:avoid}
}