:root{--ink:#103a50;--sea:#0d617d;--lagoon:#168b8b;--sand:#f2ce69;--paper:#fbfdfd;--mist:#eaf3f5;--line:#bfd2dc;--warn:#9a5a00;--danger:#a62431;--side:252px}
*{box-sizing:border-box;padding:0}
html{background:#e7f1f4;color:var(--ink);font-family:"Segoe UI",Tahoma,sans-serif;line-height:1.55}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 92% 4%,#f6d87966,transparent 25rem),linear-gradient(135deg,#edf7f7,#f9fbf8 65%,#e8f2f5)}
a{color:#075b83;text-underline-offset:2px}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--side);background:linear-gradient(180deg,#0c3b52,#092e40 75%,#0e4b5b);color:white;border-right:1px solid #072838;overflow:auto;z-index:20}
.brand{display:flex;align-items:center;gap:10px;margin:18px 14px 22px;color:white;text-decoration:none;font-family:Georgia,serif;font-size:20px;font-weight:700;line-height:1.1}
.brand img{width:48px;height:48px}
.nav-link{display:block;color:#eaf7fa;text-decoration:none;margin:2px 8px;border-left:3px solid transparent;min-height:31px;line-height:29px;font-weight:650}
.nav-link:hover,.nav-link:focus{background:#ffffff12;border-left-color:var(--sand)}
.nav-link.active{background:#ffffff1e;border-left-color:var(--sand);color:#fff5c6}
.nav-toggle{display:none;position:fixed;top:8px;left:8px;z-index:40;border:1px solid #789aaa;background:white;color:var(--ink);padding:2px;min-width:56px;min-height:34px;border-radius:6px;font-weight:700}
main{margin-left:var(--side);max-width:1500px;min-height:100vh}
.page-head{margin:0 22px 18px;border-bottom:1px solid var(--line)}
.page-head h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(30px,4vw,52px);line-height:1.05;margin:0 0 16px;color:#0c405c;letter-spacing:-.02em}
.eyebrow{margin:18px 0 4px;color:#8a5f00;font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:12px}
.hero,.panel,.notice,.doc-shot,.feature-grid,.compare{margin:18px 22px}
.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(240px,.65fr);gap:26px;align-items:center;border-bottom:4px solid var(--sand)}
.hero h2{font-family:Georgia,serif;font-size:clamp(25px,3vw,43px);line-height:1.08;margin:5px 0 13px;color:#0b5269}
.hero p{font-size:17px;max-width:78ch}
.kicker{color:#9a6400;font-weight:800;letter-spacing:.05em}
.hero-mark{min-height:240px;border:1px solid #8bb7c6;border-radius:40% 12% 40% 12%;background:linear-gradient(145deg,#0a607d,#20a094);box-shadow:0 20px 45px #0b4c5b31;display:flex;align-items:center;justify-content:center;gap:14px;color:white;transform:rotate(-1.5deg)}
.hero-mark span{font-family:Georgia,serif;font-size:24px;font-weight:800}.hero-mark b{color:var(--sand);font-size:33px}
.actions{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 18px}
.download{display:inline-flex;align-items:center;min-height:36px;border:1px solid #126184;border-radius:6px;text-decoration:none;font-weight:750;background:#fff;color:#124963;padding:2px}
.download.primary{background:#0b6786;color:white;border-color:#084864}
.feature-grid,.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.feature-grid article,.compare article,.panel,.notice{background:#ffffffcf;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 26px #17485b10}
.feature-grid article,.compare article{min-height:160px;margin:0}
h2,h3{font-family:Georgia,"Times New Roman",serif;color:#12506e;margin:10px 12px 5px}p{margin:7px 12px 11px}
.panel>h2,.notice>h2{border-bottom:2px solid var(--sand)}
.notice{border-left:5px solid var(--sand);background:#fff9df}
.doc-shot{max-width:720px;background:#f8fbfc;border:1px solid var(--line);box-shadow:0 10px 28px #103a5017}
.doc-shot img{display:block;width:100%;height:auto;max-width:640px;pointer-events:none;user-select:none;-webkit-user-drag:none;filter:saturate(.86) contrast(.94)}
.doc-shot figcaption{font-size:12px;color:#567180;margin:4px 8px 7px}
.table-wrap{overflow-x:auto;margin:12px}
table{border-collapse:collapse;width:100%;background:#fff}th,td{border:1px solid #c4d5de;text-align:left;vertical-align:top;padding:2px}th{background:#155575;color:white}code,pre{font-family:Consolas,"Courier New",monospace}pre{overflow:auto;margin:12px;background:#0d3548;color:#eef9fb;border-left:4px solid var(--sand);padding:2px}
.faq details{border-bottom:1px solid var(--line);margin:0 12px}.faq summary{cursor:pointer;font-weight:750;min-height:36px;line-height:34px;color:#104d69}.faq details p{margin-top:0}
footer{margin:34px 22px 0;border-top:1px solid var(--line);font-size:13px;color:#536d79;min-height:100px}
@media(max-width:800px){.nav-toggle{display:block}.sidebar{transform:translateX(-100%);transition:transform .2s ease}.sidebar.open{transform:none}main{margin-left:0}.page-head{margin-top:52px}.hero{grid-template-columns:1fr}.hero-mark{min-height:150px}.feature-grid,.compare{grid-template-columns:1fr}.page-head,.hero,.panel,.notice,.doc-shot,.feature-grid,.compare,footer{margin-left:8px;margin-right:8px}}
@media print{.sidebar,.nav-toggle,.actions{display:none}main{margin:0}.doc-shot{break-inside:avoid}a{color:#000;text-decoration:none}}