:root{--brand:#0f4c45;--brand-2:#14776b;--accent:#f59e0b;--accent-d:#d97706;--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--radius:14px;--shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}a{color:var(--brand-2)}a:hover{color:var(--brand)}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.5vw,3rem)}h2{font-size:clamp(1.45rem,3vw,1.9rem);margin-top:1.6em}h3{font-size:1.2rem}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px 12px;z-index:100}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--brand);font-size:1.3rem;font-weight:500}
.logo b{font-weight:800}.logo .ico{color:var(--brand-2)}
.nav{display:flex;gap:4px}
.nav a{text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:8px}
.nav a:hover,.nav a[aria-current]{background:#e6f2ef;color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}
@media(max-width:900px){.nav-toggle{display:block}.nav{position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 20px 18px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:12px}}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#1f1300;font-weight:700;text-decoration:none;padding:12px 20px;border-radius:10px;border:0;transition:background .15s,transform .15s;box-shadow:0 2px 0 var(--accent-d)}
.btn:hover{background:#fbbf24;color:#1f1300;transform:translateY(-1px)}
.btn-sm{padding:8px 14px;font-size:.9rem}.btn-lg{padding:14px 24px;font-size:1.05rem}
.btn-ghost{background:transparent;color:var(--brand);box-shadow:inset 0 0 0 2px var(--brand)}.btn-ghost:hover{background:#e6f2ef;color:var(--brand)}
.ad-label{display:inline-block;font-size:.72rem;color:var(--muted);background:#f1f5f9;border:1px solid var(--line);border-radius:6px;padding:2px 7px;margin-left:8px;vertical-align:middle;white-space:nowrap}
/* hero */
.hero{background:radial-gradient(1200px 400px at 80% -10%,#d7f0ea 0,transparent 60%),linear-gradient(180deg,#fff,#f1f7f6);padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.hero h1 span{color:var(--brand-2)}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;font-weight:700;color:var(--brand-2);margin:0 0 10px}
.lead{font-size:1.15rem;color:var(--muted);max-width:62ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.trust{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-weight:600;font-size:.95rem}
.trust li{display:flex;align-items:center;gap:6px}.trust .ico{color:var(--brand-2)}
.hero-art{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hero-art .visual:nth-child(4){grid-column:1/2;margin-left:50%}.hero-art .visual:nth-child(5){margin-left:50%}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-art{display:none}.hero{padding:40px 0}}
.visual{--c:#0f766e;display:grid;place-items:center;aspect-ratio:1;border-radius:18px;color:var(--c);background:linear-gradient(145deg,color-mix(in srgb,var(--c) 14%,#fff),color-mix(in srgb,var(--c) 4%,#fff));border:1px solid color-mix(in srgb,var(--c) 22%,#fff)}
.section{padding:48px 20px}.sub{color:var(--muted);margin-top:-.3em}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;margin-top:22px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .15s,border-color .15s;display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-3px);border-color:var(--c);color:var(--ink)}
.cat-card .visual{width:64px;margin-bottom:14px}.cat-card h3{margin-bottom:6px}.cat-card p{color:var(--muted);font-size:.93rem;margin:0 0 12px;flex:1}
.more-link{font-weight:700;color:var(--brand-2)}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;margin-top:22px}
.pick{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.pick .visual{width:64px;flex:0 0 64px;height:64px}.pick h3{margin:.15em 0 .3em}.pick p{color:var(--muted);font-size:.93rem;margin:0 0 12px}
.kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--c);font-weight:800}
.pick-cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:6px}.txt-link{font-weight:700}
.pick .ad-label{margin-left:0}
.method-teaser{background:#0f4c45;color:#e6f2ef}.method-teaser h2{color:#fff;margin-top:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0}
.steps>div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:20px}
.steps span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#1f1300;font-weight:800;margin-bottom:10px}
.steps h3{color:#fff}.steps p{margin:0;color:#cfe6e1}
.honest{background:rgba(0,0,0,.18);border-radius:10px;padding:14px 16px}.honest a{color:#fde68a}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
/* category page */
.page-hero{background:linear-gradient(180deg,#fff,color-mix(in srgb,var(--c,#0f766e) 7%,#fff));border-bottom:1px solid var(--line);padding:22px 0 30px}
.page-hero.small{padding-bottom:16px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 14px;font-size:.88rem;color:var(--muted)}
.crumbs li+li:before{content:"›";margin-right:6px;color:#94a3b8}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{text-decoration:underline}
.meta{color:var(--muted);font-size:.9rem}
.disclosure-box{display:flex;gap:10px;align-items:flex-start;background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:12px 14px;font-size:.92rem;max-width:860px}
.disclosure-box .ico{flex:0 0 auto;color:#b45309;margin-top:3px}
.layout{display:grid;grid-template-columns:250px 1fr;gap:36px;padding-top:28px;padding-bottom:40px}
.toc{position:sticky;top:86px;align-self:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;font-size:.93rem}
.toc h2{font-size:1rem;margin:0 0 10px}.toc ol{padding-left:18px;margin:0 0 12px}.toc li{margin:6px 0}
.toc a{text-decoration:none;color:var(--ink)}.toc a:hover{color:var(--brand-2)}
.tbadge{display:block;font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.toc-link{display:block;font-weight:700;margin-top:6px}
@media(max-width:960px){.layout{grid-template-columns:1fr}.toc{position:static}}
.content>section:first-child h2{margin-top:0}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table.cmp{border-collapse:collapse;width:100%;font-size:.92rem;min-width:760px}
.cmp th,.cmp td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.cmp thead th{background:#f1f5f9;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.cmp tbody th a{font-weight:700;color:var(--ink);text-decoration:none}.cmp tbody th small{display:block;color:var(--brand-2);font-weight:700;font-size:.75rem}
.cmp tbody tr:last-child>*{border-bottom:0}.cmp tbody tr:hover{background:#fafcfc}.tcta{white-space:nowrap}
@media(max-width:700px){table.cmp{min-width:0}.cmp thead{display:none}.cmp tr{display:block;border-bottom:8px solid var(--bg)}.cmp th,.cmp td{display:block;border:0;padding:6px 14px}.cmp td:before{content:attr(data-label)": ";font-weight:700;color:var(--muted)}.cmp tbody th{padding-top:14px}.cmp .tcta{padding-bottom:14px}.cmp .tcta:before{content:none}}
.note{font-size:.85rem;color:var(--muted)}
.product{display:grid;grid-template-columns:150px 1fr;gap:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:20px 0;box-shadow:var(--shadow)}
.p-media{position:relative}.p-media .visual{width:150px}
.rank{position:absolute;top:-10px;left:-10px;background:var(--brand);color:#fff;font-weight:800;border-radius:999px;padding:4px 10px;font-size:.85rem}
.badge{display:inline-block;background:#e6f2ef;color:var(--brand);font-weight:800;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;padding:4px 10px;border-radius:999px;margin-bottom:8px}
.p-short{color:var(--muted);margin-top:0}
.specs{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;margin:0 0 16px;font-size:.93rem}
.specs li{padding-left:18px;position:relative}.specs li:before{content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:2px;background:var(--brand-2)}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pc h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.pc ul{list-style:none;padding:0;margin:0;font-size:.93rem}.pc li{padding-left:22px;position:relative;margin:4px 0}
.pros h4{color:#15803d}.pros li:before{content:"+";position:absolute;left:4px;color:#15803d;font-weight:800}
.cons h4{color:#b91c1c}.cons li:before{content:"–";position:absolute;left:4px;color:#b91c1c;font-weight:800}
.pros,.cons{background:#f8fafc;border-radius:10px;padding:12px 14px}
.forwhom{background:#f0f9ff;border-left:4px solid #0ea5e9;padding:10px 14px;border-radius:0 8px 8px 0;font-size:.95rem}
.p-cta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:14px}
@media(max-width:700px){.product{grid-template-columns:1fr;padding:18px}.p-media .visual{width:80px}.specs,.pc{grid-template-columns:1fr}}
.guide h3{margin-top:1.3em}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:0 16px}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none}.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--brand-2);font-size:1.3rem;line-height:1}.faq details[open] summary:after{content:"–"}
.faq details p{margin:0 0 14px;color:var(--muted)}
.mini-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.mini-card{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.93rem}
.mini-card .visual{width:44px;flex:0 0 44px;border-radius:10px}.mini-card:hover{border-color:var(--brand-2)}
.disclosure{font-size:.88rem;color:var(--muted)}.center{text-align:center;padding-bottom:30px}
.prose{max-width:820px;padding-top:24px;padding-bottom:50px}.prose h2{font-size:1.35rem}
.todo-box{background:#fef2f2;border:1px dashed #f87171;border-radius:10px;padding:14px 16px;margin:10px 0 20px}
/* footer */
.site-footer{background:#0b1f1c;color:#b8cbc7;padding:44px 0 18px;margin-top:20px;font-size:.93rem}
.site-footer a{color:#e2efec;text-decoration:none}.site-footer a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.site-footer h3{color:#fff;font-size:1rem}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin:7px 0}
.logo-foot{color:#fff}.logo-foot .ico{color:#5eead4}
.site-footer .disclosure{color:#b8cbc7}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:14px;font-size:.8rem;color:#8aa39e}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}