:root{--c-accent:#2e6bff;--c-accent-strong:#1c4fe0;--c-accent-soft:#2e6bff1a;--c-accent-2:#8b5cf6;--c-accent-3:#06b6d4;--grad-accent:linear-gradient(135deg, #2e6bff, #8b5cf6);--grad-hero:linear-gradient(135deg, #3d5bff, #6a4dff 52%, #8b5cf6);--grad-warm:linear-gradient(92deg, #ffe29a, #ffb1d8);--c-dark:#4553f5;--c-dark-ink:#fff;--c-dark-text:#ffffffe0;--c-dark-muted:#ffffffa8;--c-dark-border:#ffffff3d;--c-ink:#101a33;--c-text:#45567c;--c-muted:#6b7c9e;--c-border:#e3e9f6;--c-bg:#fff;--c-bg-soft:#f5f8ff;--c-surface:#fff;--c-code-bg:#1b2444;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:22px;--shadow-sm:0 1px 2px #0f172a0d;--shadow-md:0 10px 28px #0f172a14;--shadow-lg:0 24px 56px #0f172a24;--shadow-accent:0 10px 26px #2e6bff4d;--container:1180px;--pad-x:24px;--sec-pad:96px;--header-h:64px;--ff-base:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--ff-base);color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.65;overflow-x:clip}h1,h2,h3,h4,h5,h6{color:var(--c-ink);text-wrap:balance;margin:0 0 .5em;font-weight:700;line-height:1.28}p{margin:0 0 1em}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ol,ul{margin:0;padding:0;list-style:none}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}[id]{scroll-margin-top:calc(var(--header-h) + 20px)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.container{width:100%;max-width:var(--container);padding-inline:var(--pad-x);margin-inline:auto}.sec{padding-block:var(--sec-pad)}.sec--soft{background:linear-gradient(#f6f9ff,#f0f5ff)}.sec--violet{background:linear-gradient(#f8f7ff,#f1effe)}.sec--cyan{background:linear-gradient(#f2fbff,#ecf6ff)}.sec--dark{color:var(--c-dark-text);background:radial-gradient(55% 100% at 85% 0,#ffffff3d 0,transparent 55%),radial-gradient(42% 80% at 6% 100%,#22d3ee52 0,transparent 60%),radial-gradient(36% 70% at 94% 88%,#ec489942 0,transparent 60%),var(--grad-hero)}.sec--dark h1,.sec--dark h2,.sec--dark h3{color:var(--c-dark-ink)}.band-grad{color:var(--c-dark-text);background:radial-gradient(55% 110% at 84% 0,#ffffff42 0,transparent 55%),radial-gradient(44% 85% at 5% 100%,#22d3ee52 0,transparent 60%),radial-gradient(38% 75% at 95% 90%,#ec489942 0,transparent 60%),var(--grad-hero);border-radius:28px;position:relative;overflow:hidden}.band-grad h1,.band-grad h2,.band-grad h3{color:var(--c-dark-ink)}.btn{white-space:nowrap;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;height:46px;padding:0 22px;font-size:15px;font-weight:600;line-height:1;transition:transform .18s,box-shadow .18s,background-color .18s,border-color .18s,color .18s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn--lg{border-radius:12px;height:52px;padding:0 28px;font-size:16px}.btn--primary{background:var(--grad-accent);color:#fff;box-shadow:var(--shadow-accent)}.btn--primary:hover{box-shadow:0 14px 32px #2e6bff61}.btn--white{color:var(--c-accent-strong);background:#fff;box-shadow:0 12px 28px #15246e38}.btn--white:hover{box-shadow:0 16px 36px #15246e4d}.btn--ghost{background:var(--c-surface);border-color:var(--c-border);color:var(--c-ink)}.btn--ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}.btn--on-dark{color:#fff;background:#ffffff24;border-color:#ffffff73}.btn--on-dark:hover{background:#ffffff3d}.link-more{color:var(--c-accent);align-items:center;gap:4px;font-weight:600;transition:gap .18s;display:inline-flex}.link-more:hover{gap:9px}.hue-blue{--hue-rgb:46 107 255}.hue-sky{--hue-rgb:14 165 233}.hue-cyan{--hue-rgb:6 182 212}.hue-emerald{--hue-rgb:16 185 129}.hue-amber{--hue-rgb:245 158 11}.hue-orange{--hue-rgb:249 115 22}.hue-pink{--hue-rgb:236 72 153}.hue-violet{--hue-rgb:139 92 246}.tile{background:rgb(var(--hue-rgb,46 107 255)/.12);width:46px;height:46px;color:rgb(var(--hue-rgb,46 107 255));border-radius:12px;justify-content:center;align-items:center;display:inline-flex}.tile svg{width:24px;height:24px}.check-list li{margin-bottom:12px;padding-left:30px;position:relative}.check-list li:before{content:"✓";background:rgb(var(--hue-rgb,46 107 255)/.12);width:20px;height:20px;color:rgb(var(--hue-rgb,46 107 255));border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex;position:absolute;top:.15em;left:0}.check-list--on-dark li:before{color:#fff;background:#ffffff3d}@media (width<=768px){:root{--pad-x:18px;--sec-pad:64px}body{font-size:15px}}.err[data-v-aa966e68]{min-height:78vh;padding-top:calc(var(--header-h) + 40px);align-items:center;display:flex}.err-inner[data-v-aa966e68]{text-align:center}.err-code[data-v-aa966e68]{background:var(--grad-warm);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:72px;font-weight:800;line-height:1}.err-title[data-v-aa966e68]{color:var(--c-dark-ink);font-size:28px}.err-sub[data-v-aa966e68]{color:var(--c-dark-text);margin-bottom:28px}