:root{--p:#6f7cf7;--p2:#5a67e8;--bg:#f6f6fb;--tx:#1e2235;--card:#fff;--hd:#fff;--ft:#1e2235;--dz:#eeeef4;--ln:#e4e5ee;--mut:#666d82}
*{box-sizing:border-box}body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--tx)}
a{color:var(--p2);text-decoration:none}img{max-width:100%}.w{max-width:1140px;margin:auto;padding:0 16px}
header{background:var(--hd);box-shadow:0 1px 10px #0001;position:sticky;top:0;z-index:50}
.hd{display:flex;align-items:center;gap:18px;height:64px}.logo{font-weight:800;font-size:22px;color:var(--p)}
.sr{position:relative;flex:0 1 250px}.sr input{width:100%;padding:9px 16px;border:1px solid var(--ln);border-radius:22px;font:inherit;outline:0;background:#fff}.sr input:focus{border-color:var(--p)}
#sres{position:absolute;top:46px;left:0;right:0;background:#fff;border-radius:10px;box-shadow:0 8px 24px #0003;display:none;max-height:320px;overflow:auto}#sres a{display:block;padding:9px 16px;color:var(--tx)}#sres a:hover{background:var(--dz)}
nav{display:flex;margin-left:auto}.dd{position:relative}.dd>b{display:block;padding:20px 13px;cursor:pointer;font-weight:600;font-size:15px}.dd:hover>b{color:var(--p)}
.mn{display:none;position:absolute;right:0;top:64px;background:#fff;box-shadow:0 12px 30px #0003;border-radius:0 0 14px 14px;padding:12px;columns:3;column-gap:6px;width:max-content;max-width:640px}.dd:hover .mn{display:block}
.mn a{display:block;padding:6px 12px;color:var(--tx);border-radius:8px;break-inside:avoid;font-size:14px;white-space:nowrap}.mn a:hover{background:var(--dz);color:var(--p2)}
#bg{display:none;margin-left:auto;background:none;border:0;font-size:26px;cursor:pointer;color:var(--tx)}
.top{text-align:center;padding:36px 0 22px}h1{font-size:clamp(26px,4vw,40px);margin:0 0 8px}.sub{color:var(--mut);margin:0}
.dz{border:2px dashed #c4c0e0;background:var(--dz);border-radius:16px;padding:58px 18px;text-align:center}.dz.on{border-color:var(--p);background:#e6e8ff}
.btn{background:var(--p);color:#fff;border:0;border-radius:8px;padding:15px 24px;font-weight:700;font-size:18px;font-family:inherit;cursor:pointer;box-shadow:0 6px 18px #6f7cf755;transition:.2s}.btn:hover{background:var(--p2)}.btn.sm{padding:8px 16px;font-size:15px;box-shadow:none}
.split{display:inline-flex;position:relative}.split .btn:first-child{border-radius:8px 0 0 8px}.split .caret{border-radius:0 8px 8px 0;border-left:1px solid #fff5;padding:15px 16px}
.menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--p);border-radius:8px;margin-top:4px;text-align:left;z-index:9;overflow:hidden;box-shadow:0 10px 24px #0003}.menu.o{display:block}.menu a{display:block;padding:14px 20px;color:#fff;font-weight:600;cursor:pointer}.menu a:hover{background:#ffffff26}
.note{font-size:15px;margin:14px 0 4px}.note small{display:block;color:var(--mut);font-size:13px;margin-top:6px}
#pn{margin-top:18px;background:var(--card);border-radius:14px;padding:18px;border:1px solid var(--ln)}#pn:empty{display:none}
.fl{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px solid var(--ln);font-size:14px}
.op{display:flex;flex-wrap:wrap;gap:16px;margin:14px 0}.op label{display:flex;flex-direction:column;font-size:13px;font-weight:600;gap:4px;color:var(--mut)}.op input,.op select{padding:9px 10px;border:1px solid var(--ln);border-radius:8px;font:inherit;min-width:130px;color:var(--tx);background:#fff}
.rw{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--ln)}.rw small{color:var(--mut)}
.er{color:#c0392b;background:#fdecea;padding:10px 14px;border-radius:8px}.ok{color:#1e7e45}
.fs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:34px 0}
.fb{background:var(--card);border:1px solid var(--ln);border-radius:16px;padding:26px;transition:.25s}.fb:hover{transform:translateY(-6px);box-shadow:0 16px 34px #6f7cf740;border-color:var(--p)}
.ic{width:48px;height:48px;border-radius:12px;background:#ecedff;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--p);margin-bottom:14px}.fb h3{margin:0 0 8px}.fb p{margin:0;color:var(--mut);font-size:15px}
.art{background:var(--card);border-radius:14px;padding:26px 28px;margin:26px 0;overflow-wrap:anywhere}.art h2,.art h3{margin-top:0}
.faq{margin:30px 0}.faq h2{text-align:center}details{background:var(--card);border:1px solid var(--ln);border-radius:12px;margin:10px 0;transition:.2s}details:hover{border-color:var(--p)}details[open]{box-shadow:0 8px 22px #6f7cf722}
summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between}summary::after{content:"+";color:var(--p);font-size:22px;line-height:1}details[open] summary::after{content:"–"}details p{margin:0;padding:0 20px 18px;color:var(--mut)}
footer{background:var(--ft);color:#cfd2e3;text-align:center;padding:26px 0;margin-top:40px;font-size:14px}footer p{margin:0}footer a{color:#fff}
@media(max-width:900px){.hd{gap:10px}.sr{flex:1}#bg{display:block;margin-left:0}nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;max-height:75vh;overflow:auto;box-shadow:0 12px 20px #0002;margin:0}nav.o{display:flex}.dd>b{padding:12px 18px;background:var(--dz)}.mn{display:block;position:static;box-shadow:none;columns:2;width:auto;max-width:none;border-radius:0}.mn a{white-space:normal}.fs{grid-template-columns:1fr}}
@media(max-width:480px){.mn{columns:1}.dz{padding:40px 10px}.btn{font-size:16px;padding:13px 16px}.art{padding:18px}}

.dd>b a{color:inherit}.btn:disabled{opacity:.5;cursor:not-allowed}.wait{pointer-events:none;opacity:.55}
.tg{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin:20px 0}.tg a{background:var(--card);border:1px solid var(--ln);border-radius:12px;padding:16px 18px;color:var(--tx);font-weight:600;transition:.2s}.tg a:hover{transform:translateY(-4px);border-color:var(--p);box-shadow:0 10px 24px #6f7cf733;color:var(--p2)}
.art h1,.art h2,.art h3,.art h4,.art h5,.art h6{line-height:1.3;margin:1em 0 .4em}.art h1:first-child,.art h2:first-child{margin-top:0}.art ul,.art ol{padding-left:24px}.art a{text-decoration:underline}