:root{--content-navy:#0f1f36;--content-blue:#1d4ed8;--content-line:#dce4ec;--content-muted:#5d6b7a;--content-soft:#f4f7fb;--content-orange:#f26b0f}
.content-hero{padding:64px 0 52px;background:linear-gradient(135deg,#0d1c31 0%,#183c76 60%,#1d4ed8 100%);color:#fff}
.content-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}
.content-hero h1{font-size:clamp(30px,4vw,52px);line-height:1.12;margin:12px 0 18px;letter-spacing:-.03em}
.content-hero p{font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:780px}
.content-hero img{width:100%;border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.28);object-fit:cover;max-height:420px}
.hero-note{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}.hero-note span{padding:7px 12px;border:1px solid rgba(255,255,255,.35);border-radius:999px;font-size:13px;background:rgba(255,255,255,.08)}
.content-main{padding:58px 0 70px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:42px;align-items:start}
.content-article{min-width:0}.content-article section{margin-bottom:42px}.content-article h2{font-size:clamp(24px,3vw,34px);margin:0 0 16px;color:var(--content-navy);line-height:1.3}.content-article h3{font-size:20px;margin:28px 0 12px;color:var(--content-navy)}.content-article p,.content-article li{font-size:16px;line-height:1.9;color:#334155}.content-article li{margin:8px 0}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--content-orange)}
.answer-box{padding:22px 24px;border-left:5px solid var(--content-orange);background:#fff8f1;border-radius:0 14px 14px 0;font-size:17px;line-height:1.9;color:#283548}
.notice{padding:14px 16px;border:1px solid var(--content-line);background:#f8fafc;border-radius:10px;color:#475569;font-size:14px;line-height:1.75}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}.spec-table th,.spec-table td{padding:13px 15px;border:1px solid var(--content-line);text-align:left;font-size:15px;line-height:1.65}.spec-table th{background:#f2f6fb;color:#24364d;width:32%}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.check-card{padding:18px;border:1px solid var(--content-line);border-radius:14px;background:#fff}.check-card h3{margin:0 0 8px;font-size:17px}.check-card p{margin:0;font-size:14.5px}
.steps{counter-reset:step}.step{position:relative;padding:0 0 22px 54px;border-left:2px solid #dbe6f2;margin-left:17px}.step:last-child{border-left-color:transparent}.step:before{counter-increment:step;content:counter(step);position:absolute;left:-18px;top:0;width:34px;height:34px;border-radius:50%;background:var(--content-blue);color:#fff;display:grid;place-items:center;font-weight:800}.step h3{margin:2px 0 7px}.step p{margin:0}
.faq-list details{border:1px solid var(--content-line);border-radius:12px;background:#fff;margin-bottom:10px;padding:0 18px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--content-navy);padding:16px 0}.faq-list details div{padding:0 0 17px;color:#475569;line-height:1.8}
.side-card{position:sticky;top:96px;border:1px solid var(--content-line);border-radius:16px;background:#fff;padding:22px;box-shadow:0 14px 34px rgba(15,31,54,.08)}.side-card h3{margin:0 0 12px;color:var(--content-navy)}.side-card p,.side-card li{font-size:14px;line-height:1.75;color:#526174}.side-card ul{padding-left:18px}.side-card .btn{width:100%;justify-content:center;margin-top:10px}
.content-cta{background:var(--content-navy);color:#fff;border-radius:18px;padding:28px;display:flex;justify-content:space-between;gap:20px;align-items:center}.content-cta h2{margin:0 0 8px;color:#fff}.content-cta p{color:#cbd5e1;margin:0}.content-cta .ops{display:flex;gap:10px;flex-wrap:wrap}.content-cta .btn-line{color:#fff;border-color:#fff}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.related-card{border:1px solid var(--content-line);border-radius:14px;padding:18px;background:#fff}.related-card h3{font-size:16px;margin:0 0 8px}.related-card p{font-size:14px;margin:0 0 12px}
.case-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.case-meta div{border:1px solid var(--content-line);border-radius:12px;padding:15px;background:#fff}.case-meta b{display:block;font-size:12px;color:#7a8796;margin-bottom:5px}.case-meta span{color:#24364d;line-height:1.55}
.tag-list{display:flex;gap:8px;flex-wrap:wrap}.tag-list span{padding:6px 10px;border-radius:999px;background:#eef4ff;color:#2455b7;font-size:13px}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;color:#64748b;font-size:14px;margin:18px 0 24px}.article-figure img{width:100%;border-radius:16px}.article-body h2{margin-top:36px}.article-body h3{margin-top:26px}.article-body table{width:100%;border-collapse:collapse;margin:18px 0}.article-body th,.article-body td{border:1px solid var(--content-line);padding:11px 13px;text-align:left;vertical-align:top}.article-body th{background:#f2f6fb}.source-list{font-size:14px;color:#526174}

.art-wrap{max-width:820px;margin:0 auto;padding:48px 20px 72px}
.art-meta{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.5px}
.art-title{font-size:clamp(24px,3.4vw,36px);line-height:1.35;margin:10px 0 14px}
.art-time{color:#8a93a6;font-size:13px;margin-bottom:26px}
.art-hero{border-radius:14px;overflow:hidden;margin-bottom:32px}
.art-hero img{width:100%;display:block}
.art-body{font-size:16px;line-height:1.9;color:#333c4d}
.art-body p{margin:0 0 18px}
.art-body h3{font-size:20px;margin:34px 0 14px;color:#1a2233;position:relative;padding-left:14px}
.art-body h3::before{content:'';position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--accent)}
.art-body ul,.art-body ol{margin:0 0 18px;padding-left:22px}
.art-body li{margin-bottom:8px}
.art-body strong{color:#1a2233}
.art-body table{width:100%;border-collapse:collapse;font-size:13.5px;margin:14px 0 22px}
.art-body th{background:#f2f5fa;color:#1a2233;padding:9px 11px;border:1px solid #e2e8f2;text-align:left}
.art-body td{padding:9px 11px;border:1px solid #e7ebf2;vertical-align:top}
.art-body tr:nth-child(even) td{background:#fafbfe}
.tbl-scroll{overflow-x:auto;margin:14px 0 22px}
.tbl-scroll table{margin:0;min-width:560px}
.fig{margin:20px 0 26px;text-align:center}
.fig img{max-width:100%;height:auto;border-radius:10px;border:1px solid #e2e8f0;box-shadow:0 4px 14px rgba(20,40,80,.08)}
.fig figcaption{font-size:13px;color:#5a6478;margin-top:10px;line-height:1.6}
.fig.fig-portrait img{width:100%;max-width:520px;margin:0 auto}
.art-tags{margin-top:34px;display:flex;flex-wrap:wrap;gap:8px}
.art-tags span{background:#f2f5fa;border-radius:20px;padding:5px 14px;font-size:12.5px;color:#5a6478}
.art-nav{display:flex;justify-content:space-between;gap:14px;margin-top:48px;padding-top:26px;border-top:1px solid #e7ebf2}
.art-nav a{color:var(--accent);font-size:14px;font-weight:600;max-width:48%}
.rel-title{font-size:20px;margin:56px 0 20px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{border:1px solid #e7ebf2;border-radius:12px;overflow:hidden;transition:box-shadow .25s;display:block;color:inherit;text-decoration:none}
.rel-card:hover{box-shadow:0 10px 30px rgba(20,40,80,.1)}
.rel-card img{width:100%;height:130px;object-fit:cover;display:block}
.rel-card .rb{padding:12px 14px}
.rel-card .rb b{font-size:13.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .rb time{font-size:11.5px;color:#9aa3b5;margin-top:6px;display:block}
.cta-box{margin-top:40px;padding:24px;border:1px solid #e7ebf2;border-radius:14px;background:#f7f9fc}
.cta-box h3{margin-top:0}
.cta-box .btn{margin-top:12px}

@media(max-width:900px){.content-hero-grid,.content-layout{grid-template-columns:1fr}.side-card{position:static}.related-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.content-hero{padding:44px 0 38px}.content-hero-grid{gap:24px}.content-main{padding:38px 0 50px}.check-grid,.related-grid,.case-meta{grid-template-columns:1fr}.content-cta{display:block}.content-cta .ops{margin-top:18px}.content-article h2{font-size:25px}.spec-table th{width:38%}}