:root{--ink:#173230;--muted:#5e7471;--green:#0b5f5a;--green-dark:#084943;--mint:#eaf7f3;--line:#d9e7e3;--paper:#fbfdfc;--warn:#a64b11;--warn-bg:#fff4e8;--danger:#a62a2a;--danger-bg:#fff0ef;--shadow:0 16px 46px #10443f17;color:var(--ink);background:var(--paper);font-synthesis:none;font-family:Inter,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;line-height:1.72}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}.container{width:min(1120px,100% - 36px);margin:auto}.site-header{z-index:20;backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#fbfdfcf0;position:sticky;top:0}.nav-wrap{justify-content:space-between;align-items:center;min-height:72px;display:flex}.brand{color:var(--ink);align-items:center;gap:10px;display:flex}.brand:hover{text-decoration:none}.brand-mark{background:var(--green);color:#fff;border-radius:12px;place-items:center;width:40px;height:40px;font-weight:800;display:grid}.brand strong,.brand small{line-height:1.25;display:block}.brand small{color:var(--muted);margin-top:3px;font-size:12px}.site-header nav{gap:8px;display:flex}.site-header nav a{color:var(--ink);border-radius:9px;padding:9px 12px;font-size:15px}.site-header nav a:hover,.site-header nav a.active{background:var(--mint);color:var(--green);text-decoration:none}.nav-toggle{background:0 0;border:0;font-size:25px;display:none}.skip-link{position:absolute;left:-9999px}.skip-link:focus{z-index:50;background:#fff;padding:8px;top:10px;left:10px}.hero{background:radial-gradient(circle at 85% 10%,#ccefe5 0,#0000 30%),linear-gradient(160deg,#f4fbf8,#fff);padding:78px 0 62px}.eyebrow{color:var(--green);letter-spacing:.04em;align-items:center;gap:8px;font-size:14px;font-weight:700;display:inline-flex}.eyebrow:before{content:"";background:#30a28e;border-radius:50%;width:8px;height:8px}.hero-grid{grid-template-columns:1.2fr .8fr;align-items:center;gap:48px;display:grid}.hero h1{letter-spacing:-.045em;margin:18px 0;font-size:clamp(38px,6vw,68px);line-height:1.08}.hero h1 span{color:var(--green)}.lead{color:var(--muted);max-width:670px;font-size:19px}.actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.btn{border:1px solid var(--green);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;min-height:48px;padding:0 20px;font-weight:700;display:inline-flex}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--green);color:#fff}.btn-secondary{color:var(--green);background:#fff}.hero-card,.card{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:18px}.hero-card{padding:25px}.hero-card h2{margin:0 0 16px;font-size:19px}.hero-card ol{margin:0;padding-left:23px}.hero-card li{margin:10px 0}.privacy-note{color:var(--muted);border-top:1px solid var(--line);margin-top:18px;padding-top:14px;font-size:13px}.section{padding:68px 0}.section-soft{background:#f1f8f5}.section-head{max-width:700px;margin-bottom:30px}.section h2,.page-head h1{margin:8px 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.22}.section-head p,.page-head p{color:var(--muted);font-size:17px}.grid-3{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.card{padding:24px}.card h3{margin:8px 0;font-size:20px}.card p{color:var(--muted);margin:8px 0}.icon{font-size:26px}.link-arrow{margin-top:8px;font-weight:700;display:inline-block}.alert{border-left:4px solid;border-radius:14px;padding:18px 20px}.alert-danger{background:var(--danger-bg);border-color:var(--danger);color:#6e2323}.alert-warn{background:var(--warn-bg);border-color:var(--warn);color:#71350f}.alert-info{background:var(--mint);border-color:var(--green)}.page-head{background:linear-gradient(160deg,#effaf6,#fff);padding:56px 0 34px}.content{max-width:820px;margin:0 auto;padding:42px 0 72px}.content h2{margin-top:38px;font-size:25px}.content h3{margin-top:25px}.steps{counter-reset:step;gap:14px;margin:24px 0;display:grid}.step{border:1px solid var(--line);background:#fff;border-radius:15px;padding:20px 20px 20px 62px;position:relative}.step:before{counter-increment:step;content:counter(step);background:var(--green);color:#fff;border-radius:50%;place-items:center;width:30px;height:30px;font-weight:800;display:grid;position:absolute;top:18px;left:18px}.chips{flex-wrap:wrap;gap:10px;display:flex}.chip{background:var(--mint);color:var(--green);border-radius:999px;padding:7px 11px;font-size:14px}.scenario-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.scenario{color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:15px;padding:22px;display:block}.scenario:hover{box-shadow:var(--shadow);border-color:#90c9be;text-decoration:none}.scenario strong{font-size:18px;display:block}.scenario span{color:var(--muted);font-size:14px}.tool{border:1px solid var(--line);background:#fff;border-radius:18px;padding:26px}.check-list{gap:10px;margin:18px 0;display:grid}.check-row{border:1px solid var(--line);cursor:pointer;border-radius:11px;align-items:flex-start;gap:11px;padding:12px;display:flex}.check-row:has(input:checked){border-color:var(--green);background:var(--mint)}.check-row input{accent-color:var(--green);width:17px;height:17px;margin-top:6px}.result{white-space:pre-line;background:#f4f8f7;border-radius:14px;margin-top:22px;padding:22px}.result:empty{display:none}.copy-status{color:var(--green);margin-left:10px;font-size:14px}.source-list li{margin:12px 0}.site-footer{color:#dceae7;background:#123c39;padding:40px 0 20px}.site-footer a{color:#fff}.footer-grid{justify-content:space-between;gap:28px;display:flex}.footer-grid p{color:#bcd0cc;max-width:600px}.footer-links{flex-wrap:wrap;gap:16px;display:flex}.copyright{color:#aac2be;border-top:1px solid #315653;margin-top:25px;padding-top:18px;font-size:13px}@media (width<=800px){.nav-toggle{display:block}.site-header nav{border-bottom:1px solid var(--line);background:#fff;flex-direction:column;padding:12px 18px;display:none;position:absolute;top:72px;left:0;right:0}.site-header nav.open{display:flex}.hero{padding:50px 0}.hero-grid{grid-template-columns:1fr;gap:25px}.grid-3,.scenario-grid{grid-template-columns:1fr}.section{padding:48px 0}.footer-grid{flex-direction:column}.brand small{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}}.article-grid{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.article-card{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:18px;overflow:hidden}.article-card>a img{object-fit:cover;width:100%;height:210px;display:block}.article-card-body{padding:23px}.article-card time,.article-detail time{color:var(--green);font-size:13px;font-weight:700}.article-card h2{margin:8px 0;font-size:21px;line-height:1.35}.article-card h2 a{color:var(--ink)}.article-card p{color:var(--muted)}.article-loading,.empty-articles{text-align:center;color:var(--muted);grid-column:1/-1;padding:70px 20px}.article-detail{max-width:860px;padding-top:48px;padding-bottom:80px}.article-back{margin-bottom:26px;display:inline-block}.article-cover{object-fit:cover;border-radius:22px;width:100%;max-height:480px;margin-bottom:32px}.article-detail>header{border-bottom:1px solid var(--line);padding-bottom:30px}.article-detail>header h1{letter-spacing:-.035em;margin:12px 0;font-size:clamp(34px,6vw,56px);line-height:1.15}.article-detail>header p{color:var(--muted);font-size:18px}.article-prose{padding:25px 0;font-size:17px;line-height:1.9}.article-prose h2{margin-top:45px;font-size:29px}.article-prose h3{margin-top:34px;font-size:23px}.article-prose img{border-radius:16px;max-width:100%;height:auto;margin:28px auto;display:block}.article-prose blockquote{border-left:4px solid var(--green);background:var(--mint);color:#345854;margin:25px 0;padding:16px 20px}.article-prose pre{color:#e9f6f3;background:#183230;border-radius:13px;padding:20px;overflow:auto}.article-prose code{background:#eaf2f0;border-radius:5px;padding:2px 6px}.article-prose pre code{background:0 0;padding:0}.article-notice{color:var(--muted);background:#f2f7f5;border-radius:12px;margin-top:30px;padding:17px;font-size:14px}@media (width<=900px){.article-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=620px){.article-grid{grid-template-columns:1fr}.article-detail{padding-top:30px}}