:root{--bg:#ffffff;--bg-soft:#f6f8fc;--bg-ink:#0b1120;--ink:#0f172a;--muted:#5b6472;--line:#e6eaf2;--brand:#4f46e5;--brand-2:#7c3aed;--accent:#0891b2;--grad:linear-gradient(135deg, #4f46e5 0%, #7c3aed 48%, #0891b2 100%);--radius:16px;--radius-sm:10px;--shadow:0 12px 34px rgba(15, 23, 42, .09);--shadow-lg:0 24px 60px rgba(15, 23, 42, .16);--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--maxw:1160px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}img{max-width:100%;height:auto;display:block}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-2)}h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;color:var(--ink)}h1{font-size:clamp(1.9rem,4vw,3rem);letter-spacing:-.02em}h2{font-size:clamp(1.4rem,3vw,2rem);letter-spacing:-.01em}h3{font-size:1.15rem}p{margin:0 0 1em}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%)blur(10px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:18px;height:68px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800}.brand:hover{color:var(--ink)}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--grad);color:#fff;font-size:.85rem;letter-spacing:.02em}.brand-name{font-size:1.02rem}.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.main-nav a{color:var(--muted);font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:8px}.main-nav a:hover{color:var(--ink);background:var(--bg-soft)}.lang-switcher{display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px}.lang-switcher .lang{font-size:.82rem;font-weight:700;color:var(--muted);padding:5px 11px;border-radius:999px;cursor:pointer}.lang-switcher .lang.active{color:#fff;background:var(--brand)}.lang-switcher a.lang:hover{color:var(--ink);background:var(--bg-soft)}.nav-cta{margin-left:6px}.nav-toggle{display:none}.nav-toggle-label{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:.98rem;line-height:1;padding:14px 24px;border-radius:999px;border:0;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{color:#fff;background:var(--grad);box-shadow:0 10px 24px rgba(79,70,229,.35)}.btn-primary:hover{color:#fff;box-shadow:0 14px 30px rgba(79,70,229,.45)}.btn-ghost{color:var(--ink);background:#fff;border:1px solid var(--line)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.btn-sm{padding:11px 18px;font-size:.9rem}.link{font-weight:700;color:var(--brand)}.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(1200px 500px at 80% -10%,rgba(8,145,178,.35),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(124,58,237,.45),transparent 60%),var(--bg-ink)}.hero-inner{padding:88px 20px 96px;text-align:center;max-width:860px}.hero-badge{display:inline-block;margin-bottom:20px;font-size:.82rem;font-weight:700;letter-spacing:.02em;color:#c7d2fe;background:rgba(255,255,255,8%);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:7px 14px}.hero h1{color:#fff;margin-bottom:.4em}.hero-subtitle{font-size:1.16rem;color:#dbe3f0;max-width:640px;margin:0 auto 30px}.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero .btn-ghost{color:#fff;background:rgba(255,255,255,8%);border-color:rgba(255,255,255,.25)}.hero .btn-ghost:hover{border-color:#fff;color:#fff}.section{padding:72px 0}.section-alt{background:var(--bg-soft)}.section-title{text-align:center;margin-bottom:40px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:32px}.section-head .section-title{margin-bottom:0;text-align:left}.lead{font-size:1.12rem;color:var(--muted)}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.service-card{padding:26px 24px;text-align:left}.service-icon{font-size:2rem;margin-bottom:14px}.service-card h3{margin-bottom:.4em}.service-card p{color:var(--muted);margin:0;font-size:.95rem}.guide-card{display:flex;flex-direction:column}.guide-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}.guide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.guide-card:hover .guide-thumb img{transform:scale(1.04)}.guide-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}.guide-title{font-size:1.08rem;margin:0}.guide-title a{color:var(--ink)}.guide-title a:hover{color:var(--brand)}.guide-summary{color:var(--muted);font-size:.92rem;margin:0;flex:1}.guide-cats{display:flex;flex-wrap:wrap;gap:6px}.pill{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;color:var(--brand);background:#eef2ff;border-radius:999px;padding:5px 12px}.pill:hover{color:#fff;background:var(--brand)}.pill .count{background:var(--brand);color:#fff;border-radius:999px;padding:0 7px;font-size:.72rem}.pill:hover .count{background:#fff;color:var(--brand)}.pill-lg{font-size:.92rem;padding:10px 18px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}.stat{padding:8px}.stat-value{font-size:clamp(2rem,5vw,3rem);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.stat-label{color:var(--muted);font-weight:600}.section-cta{background:var(--grad);color:#fff;text-align:center}.section-cta h2{color:#fff}.section-cta p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 24px}.section-cta .btn-primary{background:#fff;color:var(--brand);box-shadow:none}.page{padding:56px 20px 72px;max-width:860px}.page-header{margin-bottom:32px}.page-header h1{margin-bottom:.3em}.article-header{margin-bottom:28px}.article-header .guide-cats{margin-bottom:14px}.article-meta{margin-top:14px;color:var(--muted);font-size:.9rem}.article-featured{margin:0 0 28px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}.article-featured img{width:100%}.article-body{font-size:1.04rem}.article-body h2{margin-top:1.6em}.article-body h3{margin-top:1.3em}.article-body p,.article-body li{color:#26303f}.article-body a{text-decoration:underline}.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;margin:0 0 28px}.toc summary{cursor:pointer;font-weight:700;color:var(--ink)}.toc nav ul{margin:12px 0 0;padding-left:18px}.toc li{margin:5px 0;font-size:.95rem}.faq{margin-top:40px;border-top:1px solid var(--line);padding-top:24px}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;padding:14px 18px}.faq-item summary{cursor:pointer;font-weight:700;color:var(--ink)}.faq-item p{margin:10px 0 0;color:var(--muted)}.empty{color:var(--muted);padding:40px 0}.taxonomy-cloud{display:flex;flex-wrap:wrap;gap:12px}.taxonomy-note{color:var(--muted);margin-bottom:24px}.site-footer{background:var(--bg-ink);color:#cbd5e1;margin-top:40px}.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding:56px 20px 40px}.site-footer .brand{color:#fff}.site-footer .brand-mark{background:var(--grad)}.footer-brand p{margin:14px 0 0;color:#94a3b8;font-size:.92rem}.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:14px}.footer-col a,.footer-col span{display:block;color:#94a3b8;margin-bottom:8px;font-size:.92rem}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,8%);padding:18px 0;font-size:.85rem;color:#64748b}.notfound{text-align:center;padding:100px 20px}.notfound-inner{max-width:560px}.notfound-code{font-size:clamp(5rem,16vw,9rem);font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}.notfound-alt{color:var(--muted);font-size:.92rem}.notfound .btn{margin-top:10px}.pagination{display:flex;justify-content:center;gap:8px;margin-top:36px}.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-weight:700;color:var(--muted)}.pagination .active{background:var(--brand);color:#fff;border-color:var(--brand)}.pagination a:hover{border-color:var(--brand);color:var(--brand)}@media(max-width:960px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr 1fr}}@media(max-width:760px){.header-inner{height:62px}.nav-toggle-label{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;margin-left:auto;cursor:pointer;padding:8px}.nav-toggle-label span,.nav-toggle-label span::before,.nav-toggle-label span::after{content:"";display:block;width:100%;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease}.nav-toggle-label span{position:relative}.nav-toggle-label span::before{position:absolute;top:-7px}.nav-toggle-label span::after{position:absolute;top:7px}.main-nav{position:absolute;top:62px;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 18px;display:none}.nav-toggle:checked~.main-nav{display:flex}.nav-toggle:checked~.nav-toggle-label span{background:0 0}.nav-toggle:checked~.nav-toggle-label span::before{transform:translateY(7px)rotate(45deg)}.nav-toggle:checked~.nav-toggle-label span::after{transform:translateY(-7px)rotate(-45deg)}.main-nav a{padding:12px 8px;font-size:1.05rem;border-bottom:1px solid var(--line)}.nav-cta{display:none}.lang-switcher{margin-left:8px}.grid-4,.grid-3{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.section{padding:52px 0}.section-head{flex-direction:column;align-items:flex-start}.hero-inner{padding:60px 20px 70px}}