:root{--h:216;--ah:184;--sat:67%;--lit:48%;--radius:5px;--space:1;--max:1155px;--bg:hsl(var(--h) 34% 8%);--panel:hsl(var(--h) 25% 13%);--ink:hsl(var(--h) 20% 96%);--muted:hsl(var(--h) 14% 70%);--accent:hsl(var(--ah) var(--sat) var(--lit));--line:hsl(var(--h) 20% 28%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif}body.light{--bg:hsl(var(--h) 35% 96%);--panel:white;--ink:hsl(var(--h) 35% 11%);--muted:hsl(var(--h) 12% 38%);--line:hsl(var(--h) 18% 82%)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(var(--max),92vw);margin:auto}.topbar{display:flex;align-items:center;gap:22px;padding:20px 0;border-bottom:1px solid var(--line);position:relative;z-index:4}.brand{font-weight:900;letter-spacing:.06em;margin-right:auto}.nav{display:flex;gap:18px;align-items:center}.nav a,.tool{color:var(--muted)}.tool{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:7px 11px}.nav-toggle{display:none;align-items:center;justify-content:center;line-height:1}.nav-backdrop{display:none;position:fixed;inset:0;background:#0008;z-index:15}.nav-backdrop.open{display:block}.hero{position:relative;display:grid;gap:clamp(28px,5vw,70px);align-items:center;padding:calc(54px * var(--space)) 0;overflow:hidden}.hero-copy{position:relative}.eyebrow,.kicker{color:var(--accent);font-weight:800;letter-spacing:.15em;text-transform:uppercase}h1{font-size:clamp(38px,5.2vw,70px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 22px;overflow-wrap:anywhere}h2{line-height:1.25}.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:780px}.hero-art{min-height:360px;border:1px solid var(--line);border-radius:calc(var(--radius) + 12px);background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 22%,transparent),var(--panel));overflow:hidden;display:grid;place-items:center;position:relative}.hero-art img{width:100%;height:100%;object-fit:cover}.section{padding:calc(44px * var(--space)) 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head p,.muted{color:var(--muted)}.cards{display:grid;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:calc(25px * var(--space));transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.card-index{font-weight:900;color:var(--accent)}.card p{color:var(--muted)}.article{width:min(760px,92vw);margin:auto;padding:56px 0}.article h1{font-size:clamp(34px,5vw,58px)}.article-figure{margin:24px 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.article-figure img{width:100%;display:block;object-fit:cover;max-height:420px}.article-body{font-size:18px}.article-body p{margin:1.2em 0}.crumbs{color:var(--muted);font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.button{display:inline-block;background:var(--accent);color:hsl(var(--h) 40% 8%);border:0;border-radius:999px;padding:10px 17px;font-weight:800}.button.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line)}details{padding:16px 0;border-bottom:1px solid var(--line)}summary{font-weight:750;cursor:pointer}.search-layer{position:fixed;inset:0;background:#000b;z-index:20;display:none;padding:8vh 5vw}.search-layer.open{display:block}.search-box{max-width:760px;margin:auto;background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:var(--radius)}.search-box input,.form input,.form textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:12px}.result{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.form{display:grid;gap:14px;max-width:680px}.form label{display:grid;gap:5px}.hp{position:absolute;left:-9999px}footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);margin-top:50px}.shell{max-width:900px}.hero{grid-template-columns:1fr}.hero-art{min-height:200px}.cards{grid-template-columns:1fr}.card{padding-left:0;padding-right:0;border-width:0 0 1px;border-radius:0;background:transparent}
.card,.hero-art{background:linear-gradient(145deg,#ffffff15,#ffffff06);backdrop-filter:blur(18px)}.topbar{border:0}.nav a{font-size:13px;text-transform:uppercase;letter-spacing:.12em}
h1,h2,.brand{font-family:Inter,system-ui,"Microsoft YaHei",sans-serif}h1{font-size:clamp(36px,4.3vw,58px);line-height:1.1;letter-spacing:-.025em}
@media(max-width:800px){.nav-toggle{display:inline-flex}.nav{position:fixed;top:0;right:-100%;bottom:0;width:min(80vw,320px);flex-direction:column;align-items:flex-start;gap:22px;padding:88px 26px 26px;background:var(--panel);border-left:1px solid var(--line);transition:right .25s ease;z-index:16}.nav.open{right:0}.nav a{display:block;font-size:16px}.hero,.cards,.card{grid-template-columns:1fr!important}.card{grid-column:auto!important;transform:none!important}.hero-art{min-height:260px;position:relative}h1{font-size:clamp(32px,9vw,46px)}}

/* AI-generated per-site template layer */
body{background:#14181F;background-image:radial-gradient(ellipse at 70% 0%,rgba(45,227,112,.08),transparent 60%),radial-gradient(ellipse at 0% 100%,rgba(45,227,112,.05),transparent 55%);color:#E8EAED;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;margin:0;line-height:1.7;letter-spacing:.01em}

.topbar{position:sticky;top:0;z-index:50;background:rgba(18,20,24,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(45,227,112,.18);display:flex;align-items:center;justify-content:space-between;padding:14px clamp(16px,5vw,64px);gap:20px}

.brand{font-stretch:condensed;font-weight:800;font-size:clamp(17px,2.4vw,22px);letter-spacing:.16em;color:#2DE370;text-transform:uppercase;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand::before{content:"";width:10px;height:10px;border-radius:50%;background:#2DE370;box-shadow:0 0 14px rgba(45,227,112,.7)}

.nav{display:flex;align-items:center;gap:clamp(14px,2vw,28px);flex:1;justify-content:center}
.nav a{color:#9BA1A8;text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.06em;padding:6px 2px;position:relative;transition:color .2s ease}
.nav a:hover{color:#E8EAED}
.nav a.active{color:#2DE370}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:#2DE370;border-radius:2px;box-shadow:0 0 8px rgba(45,227,112,.6)}

.hero{margin:clamp(24px,5vh,60px) auto;padding:0 clamp(16px,5vw,64px);max-width:1320px}
.hero-copy{background:rgba(22,26,32,.72);border:1px solid rgba(45,227,112,.22);border-radius:18px;padding:clamp(26px,4vw,52px);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3vw,48px);align-items:center;position:relative;overflow:hidden}
.hero-copy::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(45,227,112,.07),transparent 45%);pointer-events:none}
.hero-copy .tag{display:inline-block;font-size:11px;letter-spacing:.22em;color:#2DE370;text-transform:uppercase;font-weight:700;padding:5px 12px;border:1px solid rgba(45,227,112,.4);border-radius:999px;margin-bottom:18px}
.hero-copy h1{font-size:clamp(24px,3.4vw,40px);font-weight:800;line-height:1.18;letter-spacing:.02em;margin:0 0 16px;color:#F2F4F7;font-stretch:condensed}
.hero-copy .summary{color:#9BA1A8;font-size:15px;line-height:1.75;margin:0 0 22px;max-width:48ch}
.hero-copy .stat-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-copy .stat-bar span{font-size:13px;color:#E8EAED;padding:7px 14px;background:rgba(45,227,112,.08);border-left:2px solid #2DE370;border-radius:4px;font-weight:600;letter-spacing:.04em}
.hero-art{border-radius:14px;overflow:hidden;border:1px solid rgba(45,227,112,.22);aspect-ratio:4/3;position:relative}
.hero-art img{width:100%;height:100%;object-fit:cover;display:block}
.hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(18,20,24,.55))}

.section{max-width:1320px;margin:clamp(48px,8vh,96px) auto;padding:0 clamp(16px,5vw,64px)}
.section h2{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:.08em;color:#F2F4F7;margin:0 0 8px;font-stretch:condensed;text-transform:uppercase}
.section h2::before{content:"";display:inline-block;width:6px;height:22px;background:#2DE370;margin-right:14px;vertical-align:-3px;border-radius:2px;box-shadow:0 0 10px rgba(45,227,112,.5)}
.section .sub{color:#9BA1A8;font-size:14px;margin:0 0 32px;letter-spacing:.04em}

.cards{display:grid;gap:22px}
.cards.guide{grid-template-columns:repeat(3,1fr)}
.cards.topics{grid-template-columns:repeat(2,1fr)}

.card{background:rgba(22,26,32,.55);border:1px solid rgba(45,227,112,.16);border-radius:14px;padding:24px;color:#E8EAED;text-decoration:none;display:flex;flex-direction:column;gap:12px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.card:hover{transform:translateY(-3px);border-color:rgba(45,227,112,.5);box-shadow:0 12px 30px rgba(0,0,0,.4),0 0 0 1px rgba(45,227,112,.15)}
.card .ic{width:38px;height:38px;border:1px solid rgba(45,227,112,.4);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#2DE370;font-weight:800;font-size:18px}
.card h3{font-size:18px;font-weight:700;letter-spacing:.06em;color:#F2F4F7;margin:0}
.card p{color:#9BA1A8;font-size:14px;line-height:1.7;margin:0}
.card .more{color:#2DE370;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-top:auto;padding-top:6px}

.article{max-width:820px;margin:0 auto;padding:clamp(28px,5vw,56px) clamp(16px,4vw,32px)}
.article h1{font-size:clamp(26px,4vw,38px);font-weight:800;line-height:1.22;letter-spacing:.02em;color:#F2F4F7;margin:0 0 14px;font-stretch:condensed}
.article .meta{display:flex;flex-wrap:wrap;gap:14px;color:#9BA1A8;font-size:13px;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid rgba(45,227,112,.16)}
.article .meta .tag{color:#2DE370;font-weight:700;letter-spacing:.1em;text-transform:uppercase}

.article-body{font-size:16px;line-height:1.85;color:#D4D8DE}
.article-body p{margin:0 0 1.4em}
.article-body h2,.article-body h3{color:#2DE370;font-weight:700;letter-spacing:.08em;margin:2em 0 .8em;padding-bottom:8px;border-bottom:1px solid rgba(45,227,112,.25);font-stretch:condensed;text-transform:uppercase}
.article-body h2{font-size:22px}
.article-body h3{font-size:18px;border-bottom:none}
.article-body a{color:#2DE370;text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.article-body a:hover{color:#5DFFA0}
.article-body blockquote,.article-body .data-card{border:1px solid rgba(45,227,112,.35);border-left:3px solid #2DE370;background:rgba(45,227,112,.06);border-radius:8px;padding:18px 22px;margin:1.6em 0;font-size:14px;color:#C8CDD4}
.article-body .data-card .label{display:block;font-size:11px;letter-spacing:.18em;color:#2DE370;text-transform:uppercase;margin-bottom:8px;font-weight:700}

.lead{font-size:clamp(17px,2vw,20px);line-height:1.7;color:#E8EAED;font-weight:500;margin:0 0 28px;padding-left:16px;border-left:3px solid #2DE370}

.button{display:inline-flex;align-items:center;gap:10px;background:#2DE370;color:#0F1216;font-weight:800;font-size:14px;letter-spacing:.14em;text-transform:uppercase;padding:13px 26px;border-radius:8px;text-decoration:none;border:none;transition:background .2s ease,box-shadow .2s ease,transform .2s ease;cursor:pointer}
.button:hover{background:#5DFFA0;box-shadow:0 8px 24px rgba(45,227,112,.35);transform:translateY(-1px)}
.button.ghost{background:transparent;color:#2DE370;border:1px solid rgba(45,227,112,.5)}
.button.ghost:hover{background:rgba(45,227,112,.1);box-shadow:none}

footer{border-top:1px solid rgba(45,227,112,.16);margin-top:80px;padding:36px clamp(16px,5vw,64px);color:#9BA1A8;font-size:13px;background:rgba(15,17,21,.6)}
footer a{color:#9BA1A8;text-decoration:none;margin-right:18px;transition:color .2s}
footer a:hover{color:#2DE370}

@media(max-width:1023px){
.cards.guide{grid-template-columns:repeat(2,1fr)}
.cards.topics{grid-template-columns:1fr}
.hero-copy{grid-template-columns:1fr}
.hero-art{order:-1;aspect-ratio:16/9}
}

@media(max-width:767px){
.topbar{padding:12px 16px;flex-wrap:wrap;gap:10px}
.brand{font-size:15px;letter-spacing:.1em}
.nav{gap:14px;overflow-x:auto;justify-content:flex-start;flex-wrap:nowrap;scrollbar-width:none;padding-bottom:2px}
.nav::-webkit-scrollbar{display:none}
.nav a{font-size:13px;white-space:nowrap}
.hero{margin:18px auto;padding:0 14px}
.hero-copy{padding:22px;grid-template-columns:1fr;gap:20px}
.hero-art{aspect-ratio:16/10}
.hero-copy h1{font-size:22px}
.hero-copy .summary{font-size:14px}
.hero-copy .stat-bar span{font-size:12px;padding:6px 10px}
.section{margin:42px auto;padding:0 14px}
.cards.guide,.cards.topics{grid-template-columns:1fr}
.card{padding:20px}
.article{padding:24px 16px}
.article-body{font-size:15px;line-height:1.75}
.lead{font-size:16px;padding-left:12px}
.button{width:100%;justify-content:center;padding:14px 22px}
footer{padding:28px 16px;text-align:left}
footer a{display:block;margin:0 0 8px}
}