:root{--ink:#243b4b;--muted:#6c8190;--pale:#98aab5;--sea:#477e9b;--sea-dark:#315f79;--line:#dce7eb;--paper:#f5f9fb;--foam:#fff;--ice:#e7f1f5;--blush:#f1e5e8;--serif:"Iowan Old Style","Baskerville","Songti SC","Noto Serif SC",serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--shadow:0 18px 50px #45677b12}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.75 "PingFang SC","Microsoft YaHei",system-ui,sans-serif;isolation:isolate}
body:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(ellipse at 12% 12%,#e2f0f588,transparent 31%),radial-gradient(ellipse at 92% 33%,#f1e7eb55,transparent 26%),linear-gradient(180deg,#f8fbfc,#f5f9fb 52%,#f9fafb)}
body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55;background-image:radial-gradient(1px 1px at 20% 30%,#fff 100%,transparent),radial-gradient(1px 1px at 70% 60%,#fff 100%,transparent),radial-gradient(1.5px 1.5px at 40% 80%,#e8f4f8 100%,transparent),radial-gradient(1px 1px at 85% 20%,#fff 100%,transparent),radial-gradient(1px 1px at 55% 45%,#f4eef0 100%,transparent)}

a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,calc(100% - 64px));margin:auto}
.mono{font-family:var(--mono)}

.eyebrow{display:flex;align-items:center;gap:10px;color:#63859a;font-size:10px;font-weight:600;letter-spacing:1.9px;text-transform:uppercase;margin-bottom:16px}
.eyebrow:before{content:"";height:1px;width:25px;background:#87aabd}
.serif{font-family:var(--serif)}

.ribbon{height:30px;border-bottom:1px solid #dce7eb;background:#edf4f7c9;color:#6d8493;font-size:9px;letter-spacing:.45px}
.ribbon .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:14px}
.ribbon b{color:#507d97;font-weight:600}

header{position:sticky;top:0;z-index:20;background:#f7fafbee;border-bottom:1px solid #dce7ebcc;backdrop-filter:blur(16px)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:200px}
.brand-mark{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#e1f0f4,#f8f1f0);border:1px solid white;box-shadow:0 2px 10px #54788b18}
.brand-mark svg{width:27px;height:27px}
.brand-word{font-size:17px;font-weight:600;letter-spacing:-.6px;line-height:1.1}
.brand-word span{font-weight:400;color:#6896ad}
.brand-caption{display:block;margin-top:5px;font-size:8px;color:#8799a4;letter-spacing:1.8px}

.nav-links{display:flex;align-items:center;gap:26px;font-size:11px;color:#586f7e}
.nav-links a{transition:color .18s;position:relative}
.nav-links a:hover{color:#317491}
.nav-links a.active{color:#2f6b8c;font-weight:600}
.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:#5d93ac;border-radius:2px}
.nav-links a.console{color:#2f6b8c;font-weight:600}
.nav-links a.register{color:#4a8a63;font-weight:600}

.nav-actions{display:flex;align-items:center;gap:10px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 17px;border:1px solid #d3e0e6;border-radius:30px;background:#ffffffbf;color:#496b80;font-size:11px;transition:.2s ease;cursor:pointer}
.button:hover{background:white;transform:translateY(-1px);box-shadow:0 8px 20px #43667b12}
.button.primary{background:#365e75;color:white;border-color:#365e75}
.button.primary:hover{background:#294e64}
.button svg{width:14px;height:14px}

.page-head{padding:52px 0 26px;position:relative;overflow:hidden}
.page-head:after{content:"✧";position:absolute;right:6%;top:22px;font-size:26px;color:#a9c7d6;opacity:.5}
.page-head h1{font-family:var(--serif);font-size:clamp(34px,4.4vw,54px);font-weight:400;line-height:1.18;letter-spacing:1px;margin:0 0 14px;color:#264254}
.page-head .lede{margin:0;color:#6c808d;font-size:13px;max-width:640px;line-height:2.1}
.page-head .meta{margin-top:16px;display:flex;gap:22px;flex-wrap:wrap;font-size:10px;color:#8598a3;letter-spacing:.6px}
.page-head .meta b{color:#4f7a92;font-weight:600}

.panel{background:#ffffffee;border:1px solid var(--line);border-radius:5px 30px 5px 30px;padding:30px 32px;box-shadow:var(--shadow);margin-bottom:20px;backdrop-filter:blur(6px)}
.panel h2{font-family:var(--serif);font-size:23px;font-weight:400;margin:0 0 16px;color:#2d4a5c;letter-spacing:.4px}
.panel h3{font-size:12px;margin:20px 0 9px;color:#3d5b6d;letter-spacing:.5px;font-weight:600}
.panel p{font-size:12px;color:#6c808d;line-height:2.05;margin:0 0 10px}

.grid{display:grid;gap:15px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{background:#fff;border:1px solid var(--line);border-radius:4px 22px 4px 22px;padding:20px 22px;box-shadow:0 8px 24px #45677b0e;transition:.22s ease;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,#a8cbd9,#e9dfe2);opacity:.6}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 38px #45677b1c;border-color:#c8dde6}
.card h4{margin:0 0 7px;font-size:12.5px;color:#2d4a5c;line-height:1.5;word-break:break-all;font-weight:600}
.card p{margin:0;font-size:10.5px;color:#7a8e9b;line-height:1.85}
.card .num{font-family:var(--mono);font-size:22px;color:#4a7892;line-height:1.3}

.tag{display:inline-block;padding:3px 10px;border-radius:20px;background:var(--ice);color:#4d7b93;font-size:9px;letter-spacing:.5px;margin:0 5px 4px 0}
.tag.free{background:#e8f4ec;color:#4a8a63}
.tag.vip{background:#f2eaf4;color:#7f5a8d}
.tag.svip{background:#fdf0e6;color:#a4703c}
.tag.internal{background:#eaf0f5;color:#56788e}
.tag.default{background:#e9f1f6;color:#4a7892}

code{font-family:var(--mono);font-size:11px;background:#eef5f8;padding:2px 7px;border-radius:5px;color:#3d6b84}
pre{font-family:var(--mono);font-size:11px;background:linear-gradient(160deg,#1e2d36,#263b46);color:#d6e5ed;padding:18px 20px;border-radius:4px 18px 4px 18px;overflow:auto;line-height:1.85;margin:10px 0 0;border:1px solid #2f4a58}
pre .c{color:#7fa8bd}

table{width:100%;border-collapse:collapse;margin-top:12px}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid #edf2f5;font-size:11px}
th{color:#5f7a8a;font-weight:600;font-size:9.5px;letter-spacing:.9px;text-transform:uppercase;background:#f9fcfd}
td{color:#5b7280}
tbody tr:hover{background:#fbfdfe}

.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px;vertical-align:middle}
.dot-ok{background:#4ea273;box-shadow:0 0 0 3px #4ea27322}
.dot-bad{background:#c46a6a;box-shadow:0 0 0 3px #c46a6a22}

.empty{padding:34px;text-align:center;color:#93a6b1;font-size:12px;border:1px dashed #cfe0e7;border-radius:5px 20px 5px 20px;background:#fbfdfe}

.toolbar{display:flex;gap:11px;flex-wrap:wrap;align-items:center;margin-top:4px}
.search{flex:1;min-width:240px;padding:11px 16px;border:1px solid #d3e0e6;border-radius:26px;font-size:12px;background:#fff;transition:.2s}
.search:focus{outline:none;border-color:#8bbbd0;box-shadow:0 0 0 3px #8bbbd01f}

.stat-line{margin-top:13px;font-size:10.5px;color:#7a8e9b;letter-spacing:.4px;display:flex;align-items:center;gap:8px}
.stat-line b{color:#3d6b84;font-weight:600}

.calc-box{margin-top:18px;padding:20px 24px;background:linear-gradient(150deg,#f4fafc,#fbf7f8);border:1px solid #e2edf2;border-radius:5px 22px 5px 22px}
.calc-box .label{font-size:9px;color:#7a8e9b;letter-spacing:1.4px;text-transform:uppercase}
.calc-box .value{font-family:var(--serif);font-size:34px;color:#2d4a5c;line-height:1.3;margin:4px 0 2px}
.calc-box .note{font-size:9.5px;color:#97a8b2}

.field{display:block;font-size:10px;color:#6f8795;letter-spacing:.6px}
.field select,.field input{width:100%;margin-top:6px;padding:10px 13px;border:1px solid #d3e0e6;border-radius:9px;font-size:12px;background:#fff;color:#3d5b6d}
.field select:focus,.field input:focus{outline:none;border-color:#8bbbd0}

footer{border-top:1px solid var(--line);padding:30px 0;margin-top:40px;color:#8a9ca7;font-size:10px;background:#f9fcfd99}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.footer-inner a{color:#6f8b9a;transition:.18s}
.footer-inner a:hover{color:#317491}
.footer-nav{display:flex;gap:18px;flex-wrap:wrap}

.loading{opacity:.5}

@media(max-width:900px){
  .wrap{width:calc(100% - 34px)}
  .nav-links{display:none}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .nav{height:62px}
  .panel{padding:22px 20px}
  .page-head{padding:34px 0 18px}
}