:root {
    --blue:#3f8fe5; --blue-dark:#2875c7; --blue-soft:#eaf4ff; --ink:#1f2d3d;
    --text:#34495e; --muted:#6f7f90; --line:#d8e4f0; --soft:#f4f7fb; --soft2:#eef3f9;
    --shadow:0 12px 32px rgba(43,97,153,.10); --max:1240px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#fff;color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:#2f83d8}button,a{touch-action:manipulation}.skip-link{position:fixed;left:16px;top:-80px;z-index:12000;background:#fff;color:var(--ink);padding:10px 14px;border:2px solid var(--blue);border-radius:8px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid #e5edf5;box-shadow:0 6px 20px rgba(43,97,153,.08)}.header-inner{max-width:var(--max);min-height:70px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img{max-height:44px;width:auto}.nav-core{display:flex;align-items:center;justify-content:center;gap:8px;min-width:0}.nav-core a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px;white-space:nowrap}.nav-core a:hover,.nav-core a.active{color:var(--blue-dark);background:var(--blue-soft)}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.main-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:8px;text-decoration:none;font-weight:700;position:relative;z-index:2;pointer-events:auto}.main-btn{color:#fff;background:var(--blue);box-shadow:0 10px 24px rgba(63,143,229,.22)}.main-btn:hover{background:#2f7fd3;transform:translateY(-1px)}.main-btn:focus-visible,.secondary-btn:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible,a:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.secondary-btn{color:var(--blue-dark);background:#fff;border:1px solid var(--line)}.secondary-btn:hover{background:var(--blue-soft)}.menu-toggle{width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;display:grid;place-content:center;gap:4px;cursor:pointer;position:relative;z-index:3}.menu-toggle span{width:20px;height:2px;background:var(--ink);display:block}.drawer-overlay{position:fixed;inset:0;background:rgba(15,35,55,.44);z-index:10000;opacity:0;transition:opacity .22s}.drawer-overlay.show{opacity:1}.drawer{position:fixed;top:0;right:0;width:min(390px,90vw);height:100dvh;background:#fff;z-index:10001;transform:translateX(105%);transition:transform .25s ease;box-shadow:-20px 0 50px rgba(20,55,90,.2);padding:18px;overflow-y:auto}.drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid #e5edf5}.drawer-close{width:44px;height:44px;border:0;background:var(--soft);border-radius:50%;font-size:30px;line-height:1;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:18px 0}.drawer-nav a{display:flex;align-items:center;min-height:44px;padding:8px 12px;border:1px solid #e5edf5;border-radius:8px;text-decoration:none;color:var(--text)}.drawer-nav a:hover{background:var(--blue-soft);border-color:var(--blue)}.drawer-download{width:100%}.menu-open{overflow:hidden}.container{width:min(100% - 40px,1160px);margin-inline:auto}.section{padding:76px 0}.section-light{background:var(--soft)}.section-soft{background:var(--soft2)}.section-title{margin:0 0 14px;color:var(--ink);font-size:clamp(28px,4vw,42px);line-height:1.22}.section-intro{max-width:760px;color:var(--muted);margin:0 0 32px}.eyebrow{display:inline-block;color:var(--blue-dark);font-weight:700;letter-spacing:.08em;margin-bottom:10px}.hero{padding:72px 0;background:linear-gradient(135deg,#fff 0%,#f7fbff 58%,#eaf4ff 100%);position:relative;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:rgba(63,143,229,.08);pointer-events:none}.hero:before{width:300px;height:300px;right:-100px;top:-120px}.hero:after{width:180px;height:180px;left:-70px;bottom:-90px}.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:56px;position:relative;z-index:1}.hero h1{font-size:clamp(38px,6vw,66px);line-height:1.12;color:var(--ink);margin:0 0 18px}.hero-subtitle{font-size:clamp(20px,3vw,30px);line-height:1.4;color:var(--blue-dark);font-weight:700;margin:0 0 18px}.hero-copy{font-size:17px;color:var(--muted);margin-bottom:26px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}.hero-links{display:flex;flex-wrap:wrap;gap:14px}.hero-links a{text-decoration:none;font-weight:700}.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}.hero-point{padding:12px 14px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:10px;color:var(--ink)}.hero-visual{display:flex;justify-content:center}.hero-visual img{max-height:560px;object-fit:contain;filter:drop-shadow(0 24px 30px rgba(43,97,153,.18))}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card,.category-card,.review-card,.faq-card,.content-card,.notice-card{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:24px}.info-card h3,.category-card h3,.content-card h3{margin:0 0 8px;color:var(--ink)}.info-card p,.category-card p{margin:0;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.category-card{padding:28px;min-height:180px;display:flex;flex-direction:column;transition:transform .2s,border-color .2s,box-shadow .2s}.category-card:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:var(--shadow)}.category-card .text-link{margin-top:auto;font-weight:700;text-decoration:none}.category-card.full{grid-column:1/-1;min-height:auto}.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.split.reverse .visual{order:2}.visual img{width:100%;max-height:440px;object-fit:contain}.prose{font-size:17px}.prose p{margin:0 0 16px}.prose h2,.prose h3{color:var(--ink);line-height:1.35}.prose ul,.prose ol{padding-left:22px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.content-card{padding:30px}.content-card img{max-height:260px;margin:0 auto 22px}.notice-list{display:grid;gap:16px}.notice-card{padding:22px;display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start}.notice-card time{color:var(--blue-dark);font-weight:700}.notice-card h3{margin:0 0 6px;color:var(--ink)}.notice-card p{margin:0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{padding:24px}.review-card p{margin:0 0 14px}.review-card strong{color:var(--blue-dark)}.faq-list{display:grid;gap:14px}.faq-card{padding:0;overflow:hidden}.faq-card details{padding:0}.faq-card summary{cursor:pointer;list-style:none;padding:20px 22px;color:var(--ink);font-weight:700;position:relative}.faq-card summary::-webkit-details-marker{display:none}.faq-card summary:after{content:"+";position:absolute;right:22px;top:16px;font-size:26px;color:var(--blue)}.faq-card details[open] summary:after{content:"−"}.faq-answer{padding:0 22px 22px;color:var(--muted)}.alert{padding:22px;border:1px solid #b7d7f6;background:#edf7ff;border-radius:8px}.alert strong{color:var(--ink)}.page-hero{padding:64px 0;background:linear-gradient(135deg,#f7fbff,#eaf4ff);border-bottom:1px solid #e5edf5}.page-hero h1{font-size:clamp(34px,5vw,54px);line-height:1.18;color:var(--ink);margin:0 0 14px}.page-hero p{max-width:820px;margin:0;color:var(--muted);font-size:18px}.toc{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.toc a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:#fff}.article{max-width:900px}.article h2{margin-top:46px;padding-top:12px;border-top:1px solid #e5edf5}.article h3{margin-top:28px}.article blockquote{margin:24px 0;padding:18px 20px;border-left:4px solid var(--blue);background:var(--soft);border-radius:0 8px 8px 0}.step-list{counter-reset:steps;display:grid;gap:16px;padding:0;list-style:none}.step-list li{counter-increment:steps;padding:20px 20px 20px 64px;background:#fff;border:1px solid var(--line);border-radius:8px;position:relative}.step-list li:before{content:counter(steps);position:absolute;left:18px;top:18px;width:30px;height:30px;display:grid;place-content:center;border-radius:50%;background:var(--blue);color:#fff;font-weight:700}.table-wrap{overflow-x:auto}.simple-table{width:100%;border-collapse:collapse;background:#fff}.simple-table th,.simple-table td{padding:14px;border:1px solid var(--line);text-align:left}.simple-table th{background:var(--soft);color:var(--ink)}.cta{padding:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue-dark),var(--blue));color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px}.cta h2{margin:0 0 6px;color:#fff}.cta p{margin:0;opacity:.9}.cta .main-btn{background:#fff;color:var(--blue-dark);box-shadow:none}.site-footer{background:#438ddf;color:#fff}.footer-inner{width:min(100% - 40px,1160px);margin:auto;padding:58px 0 38px;display:grid;grid-template-columns:1.1fr 1.9fr;gap:60px}.footer-brand img{max-height:44px;width:auto;margin-bottom:18px;filter:brightness(0) invert(1)}.footer-brand p{max-width:460px;margin:0;opacity:.9}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer-links h3{margin:0 0 12px;color:#fff}.footer-links a{display:block;color:#fff;text-decoration:none;opacity:.9;margin:7px 0}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-risk{width:min(100% - 40px,1160px);margin:auto;padding:22px 0;border-top:1px solid rgba(255,255,255,.25);border-bottom:1px solid rgba(255,255,255,.25);font-size:14px;opacity:.94}.footer-bottom{text-align:center;padding:20px;font-size:14px;opacity:.88}
@media(max-width:1040px){.nav-core{display:none}.info-grid{grid-template-columns:repeat(2,1fr)}.review-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.hero-grid,.split,.dual-grid{grid-template-columns:1fr}.split.reverse .visual{order:0}.hero{text-align:left}.hero-visual img{max-height:460px}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card.full{grid-column:1/-1}.footer-inner{grid-template-columns:1fr}.notice-card{grid-template-columns:1fr;gap:8px}}
@media(max-width:768px){.header-inner{min-height:62px;padding:0 14px;gap:8px}.site-logo img{max-height:34px;max-width:130px}.header-actions{gap:7px}.header-download{min-height:44px;padding:0 13px;font-size:14px}.container{width:min(100% - 32px,1160px)}.section{padding:56px 0}.hero{padding:48px 0}.hero-grid{gap:30px}.hero h1{font-size:38px}.hero-subtitle{font-size:22px}.hero-points{grid-template-columns:1fr}.info-grid,.category-grid,.review-grid,.footer-links{grid-template-columns:1fr}.category-card.full{grid-column:auto}.drawer-nav{grid-template-columns:1fr}.cta{align-items:flex-start;flex-direction:column}.main-btn,.secondary-btn{min-height:46px}.page-hero{padding:48px 0}.article{font-size:16px}.footer-inner{padding-top:44px;gap:36px}.footer-links{gap:20px}}
@media(max-width:390px){.header-download{padding:0 10px}.site-logo img{max-width:110px}.header-actions{gap:5px}.menu-toggle{width:44px}.hero-actions .main-btn,.hero-actions .secondary-btn{width:100%}}