:root{--nv:#1b2430;--nv2:#111823;--go:#f2803c;--go2:#d1621f;--bg:#fbfaf8;--tx:#1f2937;--mu:#5b6570;--li:#e4e7eb;--ok:#1a7f4b;--no:#b3261e;--warn:#a8702a}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--tx);background:var(--bg)}

a{color:var(--nv);text-underline-offset:2px}a:hover{color:var(--go2)}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:#fff;padding:10px 16px;z-index:99}
h1{font-size:clamp(1.85rem,4vw,2.9rem);line-height:1.12;letter-spacing:-.02em;font-weight:700;margin:.1em 0 .35em}
h2{font-size:clamp(1.3rem,2.4vw,1.75rem);line-height:1.2;margin:1.9em 0 .1em;font-weight:700;color:var(--nv2)}
h3{font-size:1.04rem;font-weight:700;margin:1.2em 0 .3em}
p{margin:.65em 0}
.rule{display:block;width:52px;height:3px;background:var(--go);margin:14px 0 18px}
.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:.74rem;font-weight:700;color:var(--go);margin:0 0 12px}
.lead{font-size:1.12rem;color:var(--mu);max-width:74ch}
.sub{color:var(--mu);max-width:76ch}
.small{font-size:.84rem;color:var(--mu)}
.mut{color:var(--mu);font-size:.88rem}
.cy{color:var(--go)}
.center{text-align:center}.center-c{justify-content:center}
.sec{padding-bottom:56px}
.txt{max-width:76ch}.narrow{max-width:70ch}
/* header */
.hd{background:var(--nv);color:#fff;position:sticky;top:0;z-index:40}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:66px}
.brand{color:#fff;text-decoration:none;font-weight:800;font-size:1.12rem;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.brand b{color:var(--go);font-weight:800}
.bm{width:26px;height:16px;background:var(--go);border-radius:3px 6px 3px 3px;position:relative;display:inline-block}
.bm:after{content:'';position:absolute;right:-9px;bottom:0;width:11px;height:11px;background:var(--go);border-radius:2px 4px 2px 2px;opacity:.75}
.nav{display:flex;gap:2px;flex-wrap:wrap}
.nav a{color:#e8ecf2;text-decoration:none;font-size:.93rem;font-weight:600;padding:9px 11px;border-radius:6px}
.nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.nav .nav-cta{background:var(--go);color:#12284c}
.nav .nav-cta:hover{background:#dbb763;color:#12284c}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.35);border-radius:7px;width:42px;height:38px;padding:8px 9px}
.burger span{display:block;height:2px;background:#fff;margin:4px 0;border-radius:2px}
@media(max-width:960px){.burger{display:block}.nav{display:none;order:3;width:100%;flex-direction:column;padding-bottom:12px}.nav.open{display:flex}.nav a{padding:11px 4px;border-bottom:1px solid rgba(255,255,255,.14)}}
/* hero */
.hero{padding:44px 0 46px;background:#fff;border-bottom:1px solid var(--li)}
.hero.dark{background:linear-gradient(155deg,var(--nv2),var(--nv) 70%,#173461);color:#fff;border-bottom:0}
.hero.dark h1{color:#fff}.hero.dark .lead{color:#c6d1e0}.hero.dark a{color:#fff}
.kpis{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.kpi{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:12px 18px;min-width:120px}
.hero:not(.dark) .kpi{background:#fff;border-color:var(--li)}
.kpi b{display:block;font-size:1.45rem;color:var(--go);letter-spacing:-.02em}
.kpi span{font-size:.8rem;opacity:.85}
/* breadcrumb */
.bc{background:#fff;border-bottom:1px solid var(--li);font-size:.82rem;color:var(--mu)}
.bc .wrap{padding-top:10px;padding-bottom:10px}
.bc a{color:var(--mu);text-decoration:none}.bc a:hover{color:var(--nv)}
.bc span{margin:0 7px;color:#b9c0c8}.bc .cur{color:var(--tx);font-weight:600;margin:0}
/* portrait */
.pt{padding-top:34px}
.pt-kopf{color:var(--mu);font-size:1.02rem;margin:-.2em 0 .6em}
.pt-chips{margin:0 0 8px}
.chip{display:inline-block;font-size:.76rem;font-weight:700;padding:4px 11px;border-radius:999px;margin:0 6px 6px 0;background:#eef1f5;color:var(--nv)}
.chip-ok{background:#e6f4ec;color:var(--ok)}.chip-no{background:#fbeae9;color:var(--no)}.chip-warn{background:#fdf3e3;color:var(--warn)}
.zweck-text{background:#fff;border-left:4px solid var(--go);border-radius:0 10px 10px 0;padding:16px 22px;font-size:1.05rem}
.zweck-text p{margin:0}
.kbox{background:#fff;border:1px solid var(--li);border-radius:10px;padding:15px 18px;margin:10px 0}
.kb-l{margin:0 0 4px;font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mu)}
.kbox p{margin:0}
table.dt{border-collapse:collapse;width:100%;background:#fff;border:1px solid var(--li);border-radius:10px;overflow:hidden;font-size:.95rem;margin:14px 0}
table.dt th{text-align:left;padding:11px 16px;width:33%;background:#f6f7f9;border-top:1px solid var(--li);font-weight:700;color:var(--nv2);vertical-align:top}
table.dt td{padding:11px 16px;border-top:1px solid var(--li)}
table.dt tr:first-child th,table.dt tr:first-child td{border-top:0}
/* boxes */
.box{border-radius:10px;padding:16px 20px;margin:22px 0;background:#fff;border:1px solid var(--li)}
.box-t{margin:0 0 6px;font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mu)}
.box p{margin:.4em 0}
.box-quelle{border-left:4px solid var(--nv);background:#f5f7fa}
.box-warn{border-left:4px solid var(--warn);background:#fdf7ec}
.box-info{border-left:4px solid var(--go)}
.fakten{background:#fff;border:2px solid var(--nv);border-radius:12px;padding:18px 22px;margin:20px 0}
.fakten table.dt{border:0;margin:0}
/* listen */
.ents{display:grid;gap:12px;margin:16px 0}
.ent{background:#fff;border:1px solid var(--li);border-radius:10px;padding:15px 18px}
.ent-flat{background:#f7f8fa;border-style:dashed}
.ent h3{margin:0 0 4px;font-size:1.03rem}
.ent h3 a{text-decoration:none}
.ent-m{margin:0 0 5px;font-size:.85rem;color:var(--mu)}
.ent-z{margin:0 0 7px;font-size:.94rem}
.ent-c{margin:0}
.lst{list-style:none;padding:0;margin:6px 0}
.lst li{padding:5px 0;border-bottom:1px solid var(--li);font-size:.95rem}
.lst .more{font-weight:700}
.ortlist{columns:4;column-gap:22px;margin:14px 0}
.ortlist a{display:block;padding:5px 0;text-decoration:none;font-size:.94rem;break-inside:avoid;border-bottom:1px solid var(--li)}
.ortlist a span{color:var(--mu);font-size:.82rem;float:right}
@media(max-width:900px){.ortlist{columns:2}}@media(max-width:520px){.ortlist{columns:1}}
.grid2,.grid3,.grid4{display:grid;gap:14px;margin:14px 0}
.grid2{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:repeat(3,1fr)}.grid4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid3,.grid4{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
.card{display:block;background:#fff;border:1px solid var(--li);border-radius:10px;padding:16px 18px;text-decoration:none;color:var(--tx);transition:.13s}
.card:hover{border-color:var(--go);box-shadow:0 6px 18px rgba(18,40,76,.09);color:var(--tx)}
.card h3{margin:0 0 5px;color:var(--nv)}
.card p{margin:0;font-size:.9rem;color:var(--mu)}
.card.sm h3{font-size:.98rem}
.cnum{font-weight:700;color:var(--go2)!important;font-size:.88rem!important}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chips a{background:#fff;border:1px solid var(--li);border-radius:999px;padding:7px 14px;text-decoration:none;font-size:.9rem;font-family:system-ui,sans-serif}
.chips a:hover{border-color:var(--go);color:var(--go2)}
.chips a b{color:var(--mu);font-weight:700;font-size:.82rem}
.chips a.more{background:var(--nv);color:#fff;border-color:var(--nv)}
.filters{background:#fff;border:1px solid var(--li);border-radius:10px;padding:14px 18px;margin:6px 0 18px}
.f-l{margin:0;font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mu);font-family:system-ui,sans-serif}
.pager{display:flex;gap:6px;justify-content:center;margin:24px 0}
.pager a,.pager span{padding:9px 15px;border:1px solid var(--li);border-radius:8px;text-decoration:none;background:#fff;font-size:.92rem}
.pager .cur{background:var(--nv);color:#fff;border-color:var(--nv);font-weight:700}
.btn{display:inline-block;background:var(--nv);color:#fff;text-decoration:none;padding:12px 22px;border-radius:8px;font-weight:700;font-size:.96rem;font-family:system-ui,sans-serif;margin:6px 8px 6px 0}
.btn:hover{background:var(--nv2);color:#fff}
.btn-gh{background:#fff;color:var(--nv);border:2px solid var(--nv)}.btn-gh:hover{background:#eef1f5;color:var(--nv)}
.lnk{font-weight:700}
.steps{counter-reset:st;list-style:none;padding:0;margin:14px 0}
.steps li{counter-increment:st;position:relative;padding-left:48px;margin:16px 0}
.steps li:before{content:counter(st);position:absolute;left:0;top:-2px;width:34px;height:34px;border-radius:8px;background:var(--nv);color:#fff;display:grid;place-items:center;font-weight:700;font-family:system-ui,sans-serif}
.steps b{display:block;font-size:1.02rem;margin-bottom:2px}
.steps p{margin:0;color:var(--mu)}
.ul-check,.ul-x{list-style:none;padding:0}
.ul-check li,.ul-x li{position:relative;padding-left:28px;margin:8px 0}
.ul-check li:before{content:"✓";position:absolute;left:2px;color:var(--ok);font-weight:800}
.ul-x li:before{content:"×";position:absolute;left:3px;color:var(--no);font-weight:800;font-size:1.2em;line-height:1.1}
.faq details{background:#fff;border:1px solid var(--li);border-radius:9px;margin:9px 0}
.faq summary{cursor:pointer;padding:15px 46px 15px 18px;font-weight:700;color:var(--nv2);list-style:none;position:relative;font-family:system-ui,sans-serif;font-size:.97rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--go);font-size:1.4rem;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq .ans{padding:0 18px 15px;color:var(--mu)}
.faq .ans p{margin:0}
.searchbox{position:relative;background:#fff;border:1px solid var(--li);border-radius:12px;padding:16px 18px;margin:0 0 26px}
.searchbox label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--mu);margin-bottom:7px;font-family:system-ui,sans-serif}
.searchbox input{width:100%;font-size:1.05rem;padding:12px 14px;border:2px solid var(--nv);border-radius:8px;font-family:inherit}
.q-res{display:none;position:absolute;left:18px;right:18px;top:100%;background:#fff;border:1px solid var(--li);border-radius:0 0 10px 10px;box-shadow:0 10px 26px rgba(0,0,0,.12);max-height:320px;overflow:auto;z-index:20}
.q-res a{display:block;padding:10px 14px;text-decoration:none;border-top:1px solid var(--li);font-size:.94rem}
.q-res a:hover{background:#f5f7fa}
.q-res span{color:var(--mu);font-size:.82rem;margin-left:6px}
.ft{background:var(--nv2);color:#aeb9c8;margin-top:50px;padding:46px 0 22px;font-size:.93rem}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:30px}
.ft h4{color:#fff;font-size:.76rem;letter-spacing:.13em;text-transform:uppercase;margin:0 0 11px}
.ft ul{list-style:none;padding:0;margin:0}.ft li{margin:6px 0}
.ft a{color:#dbe3ed;text-decoration:none}.ft a:hover{color:var(--go)}
.ft-brand{font-size:1.25rem;font-weight:800;color:#fff;margin:0;font-family:system-ui,sans-serif}
.ft-brand b{color:var(--go)}
.ft-claim{color:#fff;margin:6px 0}
.ft .small{color:#8996a8}
.ft-copy{border-top:1px solid #22304a;margin-top:30px;padding-top:18px;font-size:.8rem;color:#8996a8}
@media(max-width:900px){.ft-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.ft-grid{grid-template-columns:1fr}}
.kbox p,.zweck-text p,table.dt td,.ent-z,.pt-kopf,h1,h2,h3{overflow-wrap:anywhere}
.kbox a,table.dt td a{word-break:break-word}
table.dt{table-layout:fixed}
@media(max-width:620px){table.dt th{width:42%}.wrap{padding:0 16px}h1{font-size:1.6rem}.kpis{gap:8px}.kpi{padding:10px 14px;min-width:104px}}
.bc .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:0}
.bc .cur{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:inline-block;vertical-align:bottom}
@media(max-width:620px){.bc .cur{max-width:min(100%,60vw)}}

.card.tool{border-left:4px solid var(--go)}
.calcbox{background:linear-gradient(140deg,#fff,#fbf6f2);border:1px solid var(--li);border-radius:16px;padding:26px 28px;margin:20px 0}
.cf-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:18px}
.calcbox label{display:block;font-size:.9rem;color:var(--mu);font-weight:600}
.calcbox input,.calcbox select{display:block;width:100%;margin-top:5px;padding:11px 13px;border:1px solid #cfd6db;border-radius:8px;font-size:1rem;font-family:inherit;background:#fff;color:#000}
@media(max-width:640px){.cf-grid{grid-template-columns:1fr}.calcbox{padding:20px 18px}}
.calc-res{margin-top:20px;background:#fff;border:1px solid var(--li);border-radius:12px;padding:22px 24px}
.calc-res h4{margin:0 0 12px}
.res-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-top:1px solid var(--li);font-size:.95rem}
.res-row:first-of-type{border-top:0}
.res-row b{white-space:nowrap}
.big-n{font-size:2rem;font-weight:800;color:var(--go2);letter-spacing:-.02em;line-height:1.1}
.bar{height:10px;border-radius:6px;background:var(--li);overflow:hidden;margin:10px 0 4px}
.bar span{display:block;height:100%;background:var(--go);border-radius:6px}
.hinweis{background:#fdf4ee;border-left:4px solid var(--go);border-radius:8px;padding:12px 16px;margin:14px 0;font-size:.92rem}
.ent-k{margin:6px 0 0;font-size:.9rem}
.ent-k a{margin-right:12px}
.chip-l{background:#fdefe6;color:var(--go2)}
.chip-r{background:#eef1f5;color:var(--nv)}
.article h2{margin-top:1.8em}
.article table{border-collapse:collapse;width:100%;margin:14px 0;font-size:.94rem;background:#fff;border:1px solid var(--li);border-radius:10px;overflow:hidden}
.article th,.article td{padding:10px 14px;border-top:1px solid var(--li);text-align:left}
.article thead th{background:var(--nv);color:#fff;border:0}
.steps-num{counter-reset:sn;list-style:none;padding:0}
.steps-num li{counter-increment:sn;position:relative;padding-left:44px;margin:13px 0}
.steps-num li:before{content:counter(sn);position:absolute;left:0;top:-2px;width:30px;height:30px;border-radius:8px;background:var(--go);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.9rem}
.ul-arrow{list-style:none;padding:0}
.ul-arrow li{position:relative;padding-left:26px;margin:9px 0}
.ul-arrow li:before{content:"→";position:absolute;left:0;color:var(--go);font-weight:700}
.hero-img{margin:20px 0 26px;border-radius:14px;overflow:hidden;box-shadow:0 6px 24px rgba(27,36,48,.14)}
.hero-img img{display:block;width:100%;height:auto}
.hero-img figcaption{font-size:.78rem;color:var(--mu);padding:8px 12px;background:#fff}
.card-pic{padding:0;overflow:hidden}
.card-img{display:block;width:100%;height:170px;object-fit:cover}
.card-b{padding:15px 18px}
.card-pic h3{margin:0 0 5px}
.toc{background:#fbf6f2;border:1px solid #f1e3d8;border-radius:12px;padding:16px 22px;margin:0 0 24px}
.toc-h{margin:0 0 6px;font-size:.74rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--go2)}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:26px}.toc li{margin:4px 0;break-inside:avoid;font-size:.94rem}
.toc a{text-decoration:none;color:var(--nv);font-weight:600}.toc a:hover{color:var(--go2);text-decoration:underline}
@media(max-width:600px){.toc ol{columns:1}}
.article h2{scroll-margin-top:86px}
.authorbox{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--li);border-radius:14px;padding:20px 22px;margin:34px 0 6px}
.ab-av{flex:0 0 auto;width:52px;height:52px;border-radius:50%;background:var(--nv);color:var(--go);display:grid;place-items:center;font-weight:800;font-size:1.05rem}
.ab-n{margin:0 0 5px;font-weight:800;color:#000}.ab-n span{font-weight:500;color:var(--mu);font-size:.9rem}
.ab-b{margin:0;font-size:.92rem;color:var(--mu)}.ab-m{margin:9px 0 0;font-size:.83rem;color:var(--mu)}