:root{--gn-bg-gradient: radial-gradient(circle at 0% 0%, #1f2937 0, #020617 45%, #020617 100%);--gn-surface: rgba(15, 23, 42, .88);--gn-surface-soft: rgba(15, 23, 42, .7);--gn-border-soft: rgba(148, 163, 184, .35);--gn-accent: #38bdf8;--gn-accent-soft: rgba(56, 189, 248, .15);--gn-accent-strong: #0ea5e9;--gn-danger: #fb7185;--gn-text-main: #e5e7eb;--gn-text-muted: #9ca3af;--gn-radius-lg: 18px;--gn-radius-md: 12px;--gn-radius-sm: 8px;--gn-shadow-soft: 0 18px 45px rgba(15, 23, 42, .65)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--gn-text-main);background:var(--gn-bg-gradient);background-attachment:fixed}a{color:inherit;text-decoration:none}a:hover{text-decoration:none}#app{min-height:100vh;display:flex;flex-direction:column}#page-content{flex:1;padding:24px 16px 40px}.gn-container{max-width:1120px;margin:0 auto;padding:0 16px}.gn-header{position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(to bottom,#0f172aeb,#0f172ab3);border-bottom:1px solid rgba(148,163,184,.35)}.gn-header__inner{display:flex;align-items:center;justify-content:space-between;height:60px}.gn-header__right{display:flex;align-items:center;gap:14px}.gn-logo{display:inline-flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.04em}.gn-lang-toggle{display:flex;gap:6px;font-size:12px}.gn-lang-toggle__button{padding:3px 8px;border-radius:999px;border:1px solid transparent;background:#0f172acc;color:var(--gn-text-muted);cursor:pointer;transition:all .16s ease-out}.gn-lang-toggle__button--active{border-color:#38bdf8b3;background:var(--gn-accent-soft);color:#f9fafb}.gn-logo__mark{width:24px;height:24px;border-radius:999px;background:radial-gradient(circle at 30% 20%,#e0f2fe,#38bdf8 45%,#1d4ed8);display:inline-flex;align-items:center;justify-content:center;font-size:14px}.gn-logo__text{font-size:18px}.gn-nav{display:flex;gap:12px;font-size:14px}.gn-nav__link{padding:6px 12px;border-radius:999px;color:var(--gn-text-muted);border:1px solid transparent;transition:all .16s ease-out}.gn-nav__link:hover{color:#f9fafb;background:#0f172ad9;border-color:#94a3b880}.gn-nav__link--active{color:#f9fafb;background:var(--gn-accent-soft);border-color:#38bdf899}.gn-nav-toggle{display:none;width:32px;height:28px;padding:5px 6px;border-radius:var(--gn-radius-sm);border:1px solid rgba(148,163,184,.6);background:#0f172ae6;color:var(--gn-text-main);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;flex-direction:column;gap:4px}.gn-nav-toggle__bar{width:100%;height:2px;border-radius:999px;background:var(--gn-text-main);transition:transform .16s ease-out,opacity .16s ease-out}.gn-nav-toggle--open .gn-nav-toggle__bar:nth-child(1){transform:translateY(3px) rotate(38deg)}.gn-nav-toggle--open .gn-nav-toggle__bar:nth-child(2){opacity:0}.gn-nav-toggle--open .gn-nav-toggle__bar:nth-child(3){transform:translateY(-3px) rotate(-38deg)}.gn-footer{border-top:1px solid rgba(148,163,184,.35);background:radial-gradient(circle at top left,#38bdf814,#0f172af5)}.gn-footer__inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--gn-text-muted)}.gn-footer__links{display:flex;flex-wrap:wrap;gap:10px}.gn-footer__link{padding:4px 10px;border-radius:999px;border:1px solid transparent;transition:all .16s ease-out}.gn-footer__link:hover{border-color:#94a3b899;color:#e5e7eb}.gn-page-section{margin-bottom:32px}.gn-page-title{font-size:26px;font-weight:600;margin-bottom:8px}.gn-page-subtitle{font-size:14px;color:var(--gn-text-muted)}.hero{margin-bottom:32px}.hero-card{background:radial-gradient(circle at 0% 0%,rgba(148,163,184,.24),transparent 55%),radial-gradient(circle at 100% 100%,rgba(56,189,248,.18),transparent 50%),var(--gn-surface);border-radius:24px;border:1px solid var(--gn-border-soft);box-shadow:var(--gn-shadow-soft);padding:24px 20px}.hero-title{font-size:28px;font-weight:650;margin-bottom:8px}.hero-subtitle{font-size:14px;color:var(--gn-text-muted);margin-bottom:16px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.hero-badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;font-size:12px;color:var(--gn-text-muted)}.badge-soft{padding:3px 10px;border-radius:999px;background:#0f172ab3;border:1px solid rgba(148,163,184,.45)}.gn-button-primary,.gn-button-ghost{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 16px;border-radius:999px;font-size:14px;border:1px solid transparent;cursor:pointer;transition:all .16s ease-out}.gn-button-primary{background:linear-gradient(to right,var(--gn-accent),var(--gn-accent-strong));color:#0b1120;box-shadow:0 12px 30px #38bdf873}.gn-button-primary:hover{transform:translateY(-1px);box-shadow:0 16px 40px #38bdf899}.gn-button-ghost{background:#0f172ae6;border-color:#94a3b880;color:var(--gn-text-muted)}.gn-button-ghost:hover{border-color:#94a3b8e6;color:#e5e7eb}.tool-section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.tool-card{background:var(--gn-surface);border-radius:var(--gn-radius-lg);border:1px solid var(--gn-border-soft);padding:14px 14px 12px;box-shadow:0 10px 28px #0f172a80;display:flex;flex-direction:column;gap:8px}.tool-card__name{font-size:15px;font-weight:550}.tool-card__desc{font-size:13px;color:var(--gn-text-muted)}.tool-card__meta{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:4px}.tool-card__category{font-size:11px;padding:3px 8px;border-radius:999px;background:#0f172ae6;border:1px solid rgba(148,163,184,.55);color:var(--gn-text-muted)}.form-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}.form-group{display:flex;flex-direction:column;gap:4px;flex:1;min-width:160px}.form-label{font-size:12px;color:var(--gn-text-muted)}.gn-input,.gn-select,.gn-textarea{width:100%;border-radius:var(--gn-radius-sm);border:1px solid rgba(148,163,184,.45);background:#0f172af2;color:var(--gn-text-main);padding:7px 10px;font-size:13px}.gn-textarea{min-height:160px;resize:vertical}.gn-input:focus,.gn-select:focus,.gn-textarea:focus{outline:none;border-color:var(--gn-accent);box-shadow:0 0 0 1px #38bdf899}.helper-text{font-size:11px;color:var(--gn-text-muted)}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{border-radius:999px;padding:3px 10px;font-size:11px;border:1px solid rgba(148,163,184,.5);background:#0f172ae6;color:var(--gn-text-muted)}.chip--active{background:var(--gn-accent-soft);border-color:#38bdf8cc;color:#e5e7eb}.tool-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:16px}.tool-panel{background:var(--gn-surface);border-radius:var(--gn-radius-lg);border:1px solid var(--gn-border-soft);padding:14px 14px 12px;box-shadow:0 14px 35px #0f172a8c}.tool-panel__title{font-size:14px;font-weight:550;margin-bottom:8px}.tool-panel__toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.tool-output{background:#0f172af5;border-radius:var(--gn-radius-sm);border:1px solid rgba(148,163,184,.45);padding:8px 10px;min-height:90px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;white-space:pre-wrap;word-break:break-word}.tool-help{margin-top:18px;font-size:12px;color:var(--gn-text-muted)}.tool-help ul{padding-left:18px}.status-text{font-size:12px;color:var(--gn-text-muted)}.status-text--error{color:var(--gn-danger)}.badge-soft-success{padding:3px 8px;border-radius:999px;background:#16a34a29;border:1px solid rgba(34,197,94,.6);font-size:11px}.article-card{background:var(--gn-surface);border-radius:var(--gn-radius-lg);border:1px solid var(--gn-border-soft);box-shadow:var(--gn-shadow-soft);padding:18px 18px 16px;margin-bottom:18px}.article-card h2{font-size:18px;margin-top:0;margin-bottom:8px}.article-card h3{font-size:15px;margin-top:14px;margin-bottom:6px}.article-card p,.article-card li{font-size:13px;color:var(--gn-text-muted)}.contact-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:16px}.contact-card{background:var(--gn-surface);border-radius:var(--gn-radius-lg);border:1px solid var(--gn-border-soft);padding:16px 16px 14px;box-shadow:var(--gn-shadow-soft)}@media (max-width: 768px){#page-content{padding-top:18px}.gn-header__inner{height:auto;padding-top:8px;padding-bottom:8px;gap:10px;align-items:center;flex-wrap:wrap}.gn-header__right{margin-left:auto;display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}.gn-logo__text{font-size:16px}.gn-nav-toggle{display:inline-flex}.gn-nav{width:100%;margin-top:8px;padding:8px 10px;background:var(--gn-surface-soft);border-radius:var(--gn-radius-md);border:1px solid var(--gn-border-soft);flex-direction:column;align-items:flex-start;gap:6px;font-size:13px;display:none}.gn-nav.gn-nav--open{display:flex}.gn-nav__link{width:100%}.gn-lang-toggle{font-size:11px}.tool-layout,.contact-grid{grid-template-columns:minmax(0,1fr)}}