:root{--navy:#0b3b5c;--teal:#0f9d94;--amber:#f59e0b;--ink:#1b2433;--mut:#5b6678;--bg:#f4f8fb;--line:#dbe4ee}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.75 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff}
img,svg{max-width:100%;height:auto}a{color:#0a6ea8}a:hover{color:var(--teal)}
.wrap{width:min(1180px,100% - 32px);margin:0 auto}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:100}.skip:focus{left:8px}
#prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--amber);z-index:99}
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:800;font-size:20px}
.logo i{font-style:normal;background:var(--navy);color:#fff;border-radius:10px;width:36px;height:36px;display:grid;place-items:center;font-size:15px}.logo b{color:var(--teal)}
.menu ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
.menu a:hover,.menu a.on{background:#e6f5f4;color:var(--navy)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:22px;padding:4px 12px;cursor:pointer}
.hero{background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;padding:48px 0 40px}
.hero h1{margin:0 0 14px;font-size:clamp(28px,5vw,44px);line-height:1.2}.hero p{max-width:760px;margin:0 0 12px;opacity:.95}
.qlinks{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}
.qlinks a{background:#fff;color:var(--navy);text-decoration:none;font-weight:700;padding:10px 16px;border-radius:999px;font-size:15px;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.qlinks a:hover{background:var(--amber);color:#111}
.hd{background:linear-gradient(135deg,var(--navy),#0d6e86);color:#fff;padding:28px 0}
.hd h1{margin:6px 0 0;font-size:clamp(24px,4.2vw,36px);line-height:1.25}.crumb{font-size:14px;opacity:.9}.crumb a{color:#fff}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;padding:30px 0 56px}
.entry{min-width:0}.entry.home{padding:30px 0 10px}
.entry h2{font-size:clamp(22px,3.2vw,28px);line-height:1.3;margin:38px 0 12px;color:var(--navy)}
.entry h3{font-size:20px;margin:26px 0 8px;color:#12486b}
.entry p{margin:0 0 16px}.entry ul,.entry ol{padding-left:24px;margin:0 0 18px}.entry li{margin-bottom:6px}
.entry strong{color:#08304a}
.entry table{width:100%;border-collapse:collapse;margin:18px 0;display:block;overflow-x:auto;font-size:16px}
.entry th,.entry td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}.entry th{background:#eef5fa}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px;color:var(--mut);margin-bottom:16px}
.alert{background:#fff8e6;border-left:4px solid var(--amber);padding:12px 16px;border-radius:8px;margin:0 0 22px;font-size:15.5px}
.note{background:#e8f6f5;border-left:4px solid var(--teal);padding:12px 16px;border-radius:8px;margin:18px 0}
.toc{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 20px;margin:20px 0}.toc b{display:block;margin-bottom:6px}
.toc ol{margin:0;columns:2;column-gap:28px}.toc li{font-size:15.5px;break-inside:avoid}
.btn{display:inline-block;background:var(--navy);color:#fff!important;padding:12px 22px;border-radius:10px;text-decoration:none;font-weight:700}.btn:hover{background:var(--teal)}
.faq details{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:14px 16px;font-weight:700;color:var(--navy);list-style-position:inside}.faq p{padding:0 16px 14px;margin:0}
.author{display:flex;gap:14px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px;margin:30px 0}
.av{flex:none;width:48px;height:48px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800}
.author h4{margin:0 0 4px}.author p{margin:0;font-size:15px;color:var(--mut)}.author small{color:var(--mut)}
.side{position:sticky;top:80px;align-self:start}
.card{border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:18px;background:#fff}
.card h3{margin:0 0 8px;font-size:17px;color:var(--navy)}.card ul{list-style:none;margin:0;padding:0}.card li{padding:6px 0;border-top:1px solid #eef2f6;font-size:15px}.card li:first-child{border-top:0}.card a{text-decoration:none}
.blk{background:var(--bg);padding:44px 0 56px}.sh{text-align:center;margin-bottom:24px}.sh h2{margin:0 0 6px;color:var(--navy)}.sh p{margin:0;color:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:14px 0 8px}
.pc{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex}
.pc .bd{padding:18px}.pc h3{margin:6px 0 8px;font-size:18px;line-height:1.35}.pc h3 a{text-decoration:none;color:var(--navy)}
.pc p{margin:0 0 10px;font-size:15px;color:var(--mut)}.tag{display:inline-block;background:#e6f5f4;color:#0b6f69;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:999px}.mt{font-size:13px;color:var(--mut)}
.gh{color:var(--navy);margin:28px 0 6px}
footer.site{background:#0a2a42;color:#cfe0ee;padding:44px 0 20px;margin-top:0}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:28px}footer h3{color:#fff;font-size:17px;margin:0 0 10px}
footer ul{list-style:none;margin:0;padding:0}footer li{margin-bottom:8px;font-size:15px}footer a{color:#cfe0ee;text-decoration:none}footer a:hover{color:#fff;text-decoration:underline}
footer p{font-size:15px;margin:0 0 10px}.disc{font-size:13.5px;opacity:.85}
.fbot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;border-top:1px solid #1d4663;margin-top:28px;padding-top:16px;font-size:14px}
#top{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:20px;cursor:pointer;display:none;box-shadow:0 4px 14px rgba(0,0,0,.25)}
@media(max-width:900px){.layout{grid-template-columns:1fr}.side{position:static}.grid{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){body{font-size:16.5px}.burger{display:block}
.menu{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 14px}.menu.open{display:block}
.menu ul{flex-direction:column}.menu a{padding:12px}.toc ol{columns:1}.grid{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr}.hero{padding:34px 0 28px}.qlinks a{flex:1 1 calc(50% - 10px);text-align:center;padding:10px 8px;font-size:14px}}
.shot{margin:22px 0;text-align:center}.shot img{border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 18px rgba(11,59,92,.12);max-width:100%;height:auto}.shot figcaption{font-size:14px;color:var(--mut);margin-top:8px}
.ovw{margin:18px 0}
.shotwrap{position:relative;display:inline-block;max-width:100%;line-height:0}.shotwrap img{display:block}
.hl{position:absolute;border:2.5px solid #e11d48;border-radius:6px;box-shadow:0 0 0 2px rgba(255,255,255,.7)}
.hl b{position:absolute;left:-10px;top:-12px;background:#e11d48;color:#fff;font:700 12px/20px system-ui,sans-serif;width:20px;height:20px;border-radius:50%;text-align:center}
.leg{list-style:none;margin:10px auto 0;padding:0;max-width:560px;text-align:left;font-size:14.5px;line-height:1.5}.leg li{margin:3px 0}.leg b{display:inline-block;background:#e11d48;color:#fff;width:20px;height:20px;border-radius:50%;text-align:center;font-size:12px;line-height:20px;margin-right:6px}
.shotwrap{width:100%;max-width:800px;overflow:hidden;line-height:0}.shotwrap img{width:100%;height:100%;object-fit:cover;object-position:top}
.fi{display:block;width:100%;height:auto;border-radius:14px;margin:0 0 18px;border:1px solid var(--line)}
.pc{flex-direction:column}.pc>a>img{display:block;width:100%;height:auto}
.alsoread{background:#eef7f6;border-left:4px solid var(--teal);border-radius:8px;padding:12px 16px;margin:26px 0;font-size:16px}.alsoread b{color:var(--navy)}.alsoread a{font-weight:700;text-decoration:none}
.offpanel{margin:6px 0 26px;text-align:center}.offline{font-size:18px;margin:0 0 16px}
.offbtns{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.ob{display:inline-block;color:#fff!important;font-weight:800;font-size:19px;line-height:1.2;padding:16px 26px;border-radius:8px;text-decoration:none;box-shadow:0 2px 6px rgba(0,0,0,.14);transition:transform .15s,filter .15s}
.ob:hover{transform:translateY(-2px);filter:brightness(1.08);color:#fff!important}
.b1{background:#eaa944}.b2{background:#b3301e}.b3{background:#2e6b3a}.b4{background:#a67526}.b5{background:#ec6a2d}.b6{background:#522078}.b7{background:#3c7e77}
.offnote{font-size:14px;color:var(--mut);max-width:820px;margin:16px auto 0;text-align:left}
@media(max-width:760px){.ob{flex:1 1 calc(50% - 14px);font-size:16px;padding:14px 10px;text-align:center}.b7,.b5{flex-basis:100%}.offline{font-size:16px;word-break:break-word}}
.topstrip{background:#fff8e6;border-bottom:1px solid #f0dca8;color:#6b4e00;font-size:13px;text-align:center;padding:6px 12px;line-height:1.4}
.offpanel{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff;text-align:left;margin:6px 0 26px}.offh{font-size:18px!important;margin:0 0 8px!important}
.offlist{list-style:none;margin:0;padding:0}.offlist li{padding:8px 0;border-top:1px solid #eef2f6}.offlist li:first-child{border-top:0}.offlist a{font-weight:700}.offlist span{display:block;font-size:14.5px;color:var(--mut)}
.offpanel .offnote{margin:10px 0 0;max-width:none}
.offh small{font-weight:500;font-size:14px;color:var(--mut)}
.offpanel{background:linear-gradient(180deg,#f6fbfb,#fff);border:1px solid var(--line);border-radius:16px;padding:18px 18px 14px;margin:6px 0 26px}
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sbtn{position:relative;display:flex;flex-direction:column;justify-content:center;gap:4px;padding:18px 44px 18px 20px;border-radius:14px;color:#fff!important;text-decoration:none;box-shadow:0 6px 16px rgba(11,59,92,.18);transition:transform .15s,box-shadow .15s,filter .15s;min-height:92px}
.sbtn:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(11,59,92,.26);filter:brightness(1.06);color:#fff!important}
.sb-t{font-weight:800;font-size:18px;line-height:1.25}.sb-s{font-size:13.5px;opacity:.92;line-height:1.35}
.sb-a{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.22);display:grid;place-items:center;font-size:17px;font-weight:700}
.s1{background:linear-gradient(135deg,#0f9d94,#0b6f69)}.s2{background:linear-gradient(135deg,#3f6fd1,#27449a)}.s3{background:linear-gradient(135deg,#d2542f,#a63a1b)}
.s4{background:linear-gradient(135deg,#2f9b5a,#1d6b3b)}.s5{background:linear-gradient(135deg,#0b3b5c,#145a86)}.s6{background:linear-gradient(135deg,#8a4fd0,#5a2d96)}
@media(max-width:900px){.sgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.sgrid{grid-template-columns:1fr}.sbtn{min-height:78px}.sb-t{font-size:17px}}