:root{--c-brand: #0d4e63;--c-brand-strong: #073646;--c-brand-deep: #052732;--c-brand-soft: #e8f2f4;--c-brand-tint: #f2f8f9;--c-accent: #e07a2f;--c-accent-strong: #c4641f;--c-accent-soft: #fdf1e7;--c-ink: #0f2027;--c-ink-2: #2c434c;--c-muted: #5b7078;--c-muted-2: #7d8f96;--c-line: #e0e8ea;--c-line-strong: #c9d6da;--c-bg: #ffffff;--c-bg-soft: #f5f8f9;--c-bg-softer: #fafcfc;--c-dark: #072d39;--c-dark-2: #0a3a49;--c-on-dark: #eaf4f6;--c-on-dark-muted: #a6c3ca;--c-on-dark-line: rgba(255, 255, 255, .12);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--container: 1160px;--container-narrow: 860px;--reading: 720px;--header-h: 68px;--radius-sm: 8px;--radius: 14px;--radius-lg: 22px;--radius-pill: 999px;--shadow-xs: 0 1px 2px rgba(9, 40, 51, .06);--shadow-sm: 0 1px 2px rgba(9, 40, 51, .05), 0 10px 24px -18px rgba(9, 40, 51, .35);--shadow: 0 2px 4px rgba(9, 40, 51, .04), 0 20px 44px -26px rgba(9, 40, 51, .35);--shadow-lg: 0 30px 70px -36px rgba(7, 45, 57, .45);--ease: cubic-bezier(.22, .61, .36, 1);--transition: .18s var(--ease);color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}body{margin:0;min-height:100vh;font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4,h5,h6{margin:0 0 .6em;font-weight:700;line-height:1.25;letter-spacing:-.015em;color:var(--c-ink);text-wrap:balance}p{margin:0 0 1em}a{color:var(--c-brand);text-decoration-color:color-mix(in srgb,var(--c-brand) 35%,transparent);text-underline-offset:3px}a:hover{color:var(--c-accent-strong)}img,svg,video{max-width:100%;height:auto;display:block}code,kbd,pre,samp{font-family:var(--font-mono);font-size:.9em}ul,ol{padding-left:1.4em}button{font:inherit}:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:2px}::selection{background:color-mix(in srgb,var(--c-accent) 25%,white)}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(20px,4vw,36px)}.container-narrow{width:100%;max-width:var(--container-narrow);margin-inline:auto;padding-inline:clamp(20px,4vw,36px)}.skip-link{position:absolute;top:-60px;left:16px;z-index:100;padding:10px 16px;background:var(--c-brand);color:#fff;border-radius:var(--radius-sm);text-decoration:none;font-weight:600}.skip-link:focus{top:12px;color:#fff}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border:1px solid transparent;border-radius:var(--radius-pill);font-size:.95rem;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;transition:transform var(--transition),background var(--transition),border-color var(--transition),color var(--transition),box-shadow var(--transition);white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 10px 22px -14px #0d4e63b3}.btn-primary:hover{background:var(--c-brand-strong);color:#fff}.btn-accent{background:#b95e1c;color:#fff;box-shadow:0 10px 22px -14px #b95e1cbf}.btn-accent:hover{background:#a34f12;color:#fff}.btn-outline{background:transparent;border-color:var(--c-line-strong);color:var(--c-ink)}.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-tint)}.btn-ghost-light{background:#ffffff14;border-color:var(--c-on-dark-line);color:var(--c-on-dark)}.btn-ghost-light:hover{background:#ffffff29;color:#fff}.btn-sm{padding:8px 16px;font-size:.88rem}.btn-block{width:100%}.btn[aria-disabled=true]{opacity:.55;pointer-events:none}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent-strong)}.eyebrow:before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px}.eyebrow--light{color:#f5b47c}.lead{font-size:clamp(1.05rem,1.4vw,1.2rem);line-height:1.75;color:var(--c-ink-2);text-wrap:pretty}.muted{color:var(--c-muted)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-pill);background:var(--c-brand-soft);color:var(--c-brand-strong);font-size:.78rem;font-weight:600;letter-spacing:.02em}.badge-accent{background:var(--c-accent-soft);color:var(--c-accent-strong)}.section{padding-block:clamp(56px,8vw,96px)}.section--soft{background:var(--c-bg-soft);border-block:1px solid var(--c-line)}.section--tight{padding-block:clamp(40px,5vw,64px)}.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,52px)}.section-head--center{margin-inline:auto;text-align:center}.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:14px}.section-head p{margin:0;color:var(--c-muted);font-size:1.03rem}.card{position:relative;padding:26px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);box-shadow:var(--shadow-xs);transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition)}.card:hover{border-color:var(--c-line-strong);box-shadow:var(--shadow-sm)}.card-link{display:block;color:inherit;text-decoration:none}.card-link:hover{color:inherit;transform:translateY(-2px)}.card h3{font-size:1.12rem;margin-bottom:8px}.card p{margin:0;color:var(--c-muted);font-size:.95rem}.card-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:.88rem;font-weight:600;color:var(--c-brand)}.grid{display:grid;gap:20px}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:960px){.grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}.field label{font-size:.9rem;font-weight:600;color:var(--c-ink-2)}.field .hint{font-size:.82rem;color:var(--c-muted)}.field .error{font-size:.82rem;color:#b3261e}.input,.textarea,.select{width:100%;padding:11px 14px;font:inherit;font-size:.95rem;color:var(--c-ink);background:#fff;border:1px solid var(--c-line-strong);border-radius:var(--radius-sm);transition:border-color var(--transition),box-shadow var(--transition)}.input:hover,.textarea:hover,.select:hover{border-color:var(--c-muted-2)}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--c-brand) 15%,transparent)}.textarea{min-height:140px;resize:vertical}.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:var(--c-ink-2)}.checkbox input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-brand)}.prose{max-width:var(--reading);font-size:1rem;line-height:1.85;color:var(--c-ink-2)}.prose>*+*{margin-top:1.1em}.prose h2{margin-top:2.4em;margin-bottom:.7em;padding-top:.2em;font-size:1.5rem;letter-spacing:-.01em;color:var(--c-ink)}.prose h3{margin-top:1.9em;margin-bottom:.5em;font-size:1.2rem;color:var(--c-ink)}.prose h4{margin-top:1.6em;font-size:1.02rem}.prose p{margin:0 0 1.1em}.prose a{color:var(--c-brand);font-weight:500}.prose strong{color:var(--c-ink)}.prose ul,.prose ol{margin:0 0 1.2em}.prose li{margin-bottom:.4em}.prose li::marker{color:var(--c-accent)}.prose blockquote{margin:1.5em 0;padding:14px 20px;background:var(--c-brand-tint);border-left:3px solid var(--c-brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--c-ink-2)}.prose blockquote p:last-child{margin-bottom:0}.prose code:not(pre code){padding:2px 6px;background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:5px;color:var(--c-brand-strong);font-size:.86em}.prose pre{margin:1.5em 0;padding:18px 20px;overflow-x:auto;background:var(--c-dark);border-radius:var(--radius-sm);color:#dcecef;font-size:.86rem;line-height:1.65}.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}.prose table{width:100%;margin:1.5em 0;border-collapse:collapse;font-size:.92rem}.prose th,.prose td{padding:10px 14px;border:1px solid var(--c-line);text-align:left;vertical-align:top}.prose th{background:var(--c-bg-soft);font-weight:600;color:var(--c-ink)}.prose img{border-radius:var(--radius-sm);border:1px solid var(--c-line)}.prose hr{margin:2.5em 0;border:0;border-top:1px solid var(--c-line)}@media(max-width:640px){body{font-size:15.5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.site-header[data-astro-cid-7f32trfc]{position:sticky;top:0;z-index:60;background:color-mix(in srgb,#ffffff 88%,transparent);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--c-line)}.header-inner[data-astro-cid-7f32trfc]{display:flex;align-items:center;gap:24px;min-height:var(--header-h)}.brand[data-astro-cid-7f32trfc]{display:inline-flex;align-items:baseline;gap:2px;color:var(--c-ink);font-size:1.16rem;font-weight:700;letter-spacing:-.03em;text-decoration:none;line-height:1;white-space:nowrap}.brand[data-astro-cid-7f32trfc]:hover{color:var(--c-ink)}.brand-mark[data-astro-cid-7f32trfc]{color:var(--c-accent);font-weight:700}.brand-note[data-astro-cid-7f32trfc]{margin-left:10px;padding:3px 8px;font-size:.7rem;font-weight:600;letter-spacing:.04em;color:var(--c-brand);background:var(--c-brand-soft);border-radius:var(--radius-pill);transform:translateY(-1px)}.site-nav[data-astro-cid-7f32trfc]{display:flex;align-items:center;gap:2px;margin-left:auto}.nav-link[data-astro-cid-7f32trfc]{position:relative;display:inline-flex;align-items:center;gap:4px;padding:8px 12px;border-radius:var(--radius-sm);color:var(--c-ink-2);font-size:.94rem;font-weight:500;text-decoration:none;transition:color var(--transition),background var(--transition)}.nav-link[data-astro-cid-7f32trfc]:hover{color:var(--c-brand);background:var(--c-bg-soft)}.nav-link[data-astro-cid-7f32trfc].is-active{color:var(--c-brand);font-weight:600;background:var(--c-brand-soft)}.ext[data-astro-cid-7f32trfc]{font-size:.72rem;color:var(--c-muted)}.header-actions[data-astro-cid-7f32trfc]{display:flex;align-items:center;gap:14px;margin-left:8px;padding-left:18px;border-left:1px solid var(--c-line)}.header-link[data-astro-cid-7f32trfc]{font-size:.9rem;font-weight:500;color:var(--c-ink-2);text-decoration:none;white-space:nowrap}.header-link[data-astro-cid-7f32trfc]:hover{color:var(--c-brand)}.nav-actions-mobile[data-astro-cid-7f32trfc]{display:none}.nav-toggle[data-astro-cid-7f32trfc]{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;margin-left:auto;padding:0 10px;background:transparent;border:1px solid var(--c-line);border-radius:var(--radius-sm);cursor:pointer}.nav-toggle-bar[data-astro-cid-7f32trfc]{display:block;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}@media(max-width:1080px){.brand-note[data-astro-cid-7f32trfc],.header-link[data-astro-cid-7f32trfc]{display:none}.header-actions[data-astro-cid-7f32trfc]{border-left:0;padding-left:0}}@media(max-width:900px){.nav-toggle[data-astro-cid-7f32trfc]{display:flex}.header-actions[data-astro-cid-7f32trfc]{display:none}.site-nav[data-astro-cid-7f32trfc]{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:14px clamp(20px,4vw,36px) 22px;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--shadow)}.site-nav[data-astro-cid-7f32trfc].is-open{display:flex}.nav-link[data-astro-cid-7f32trfc]{justify-content:space-between;padding:12px 14px;font-size:1rem}.nav-actions-mobile[data-astro-cid-7f32trfc]{display:flex;gap:10px;margin-top:12px;padding-top:16px;border-top:1px solid var(--c-line)}.nav-actions-mobile[data-astro-cid-7f32trfc] .btn[data-astro-cid-7f32trfc]{flex:1}.nav-toggle[aria-expanded=true] .nav-toggle-bar[data-astro-cid-7f32trfc]:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle[aria-expanded=true] .nav-toggle-bar[data-astro-cid-7f32trfc]:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] .nav-toggle-bar[data-astro-cid-7f32trfc]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}}@media(prefers-reduced-motion:reduce){.nav-link[data-astro-cid-7f32trfc],.nav-toggle-bar[data-astro-cid-7f32trfc]{transition:none}}.site-footer[data-astro-cid-vwoavnew]{margin-top:auto;padding:clamp(52px,7vw,76px) 0 30px;background:var(--c-dark);color:var(--c-on-dark)}.footer-top[data-astro-cid-vwoavnew]{display:grid;grid-template-columns:minmax(240px,1.1fr) minmax(0,2fr);gap:clamp(32px,6vw,80px);padding-bottom:44px}.footer-logo[data-astro-cid-vwoavnew]{display:inline-flex;align-items:baseline;gap:2px;font-size:1.2rem;font-weight:700;letter-spacing:-.03em;color:#fff;text-decoration:none}.mark[data-astro-cid-vwoavnew]{color:#f3a36b}.footer-tagline[data-astro-cid-vwoavnew]{max-width:320px;margin:16px 0 20px;font-size:.92rem;line-height:1.75;color:var(--c-on-dark-muted)}.footer-cta[data-astro-cid-vwoavnew]{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;color:#f3a36b;text-decoration:none}.footer-cta[data-astro-cid-vwoavnew]:hover{color:#ffc79f}.footer-columns[data-astro-cid-vwoavnew]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.footer-title[data-astro-cid-vwoavnew]{margin:0 0 14px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff}.footer-column[data-astro-cid-vwoavnew] ul[data-astro-cid-vwoavnew]{margin:0;padding:0;list-style:none}.footer-column[data-astro-cid-vwoavnew] li[data-astro-cid-vwoavnew]{margin-bottom:9px}.footer-column[data-astro-cid-vwoavnew] a[data-astro-cid-vwoavnew]{font-size:.9rem;color:var(--c-on-dark-muted);text-decoration:none;transition:color var(--transition)}.footer-column[data-astro-cid-vwoavnew] a[data-astro-cid-vwoavnew]:hover{color:#fff}.footer-bottom[data-astro-cid-vwoavnew]{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding-top:24px;border-top:1px solid var(--c-on-dark-line);font-size:.82rem;color:var(--c-on-dark-muted)}.footer-bottom[data-astro-cid-vwoavnew] p[data-astro-cid-vwoavnew]{margin:0}.footer-meta[data-astro-cid-vwoavnew]{display:flex;flex-wrap:wrap;gap:4px 18px}.footer-meta[data-astro-cid-vwoavnew] span[data-astro-cid-vwoavnew]{color:color-mix(in srgb,var(--c-on-dark-muted) 85%,transparent)}@media(max-width:860px){.footer-top[data-astro-cid-vwoavnew]{grid-template-columns:1fr;gap:40px}}@media(max-width:560px){.footer-columns[data-astro-cid-vwoavnew]{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}.footer-bottom[data-astro-cid-vwoavnew]{flex-direction:column}}body{display:flex;flex-direction:column}#main{flex:1 0 auto}
