:root{--blue:#3f8fe5;--deep:#2875c7;--light:#eaf4ff;--text:#34495e;--title:#1f2d3d;--muted:#6f7f90;--border:#d8e4f0;--section:#f4f7fb;--section2:#eef3f9;--line:#e5edf5;--shadow:0 12px 32px rgba(43,97,153,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.7;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#2f83d8}img{max-width:100%}.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 var(--line);box-shadow:0 6px 20px rgba(43,97,153,.08)}.header-inner{max-width:1240px;min-height:70px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo{display:inline-flex;align-items:center;flex:0 0 auto}.site-logo img{display:block;max-height:44px;width:auto}.nav-core{display:flex;align-items:center;gap:7px;white-space:nowrap}.nav-core a{color:var(--text);text-decoration:none;padding:8px 9px;border-radius:8px;font-size:15px}.nav-core a:hover,.nav-core a.active{color:var(--deep);background:var(--light)}.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;touch-action:manipulation;transition:.18s ease}.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)}.secondary-btn{color:var(--deep);background:#fff;border:1px solid #b7d2ee}.secondary-btn:hover{background:var(--light);border-color:var(--blue)}.main-btn:focus-visible,.secondary-btn:focus-visible,.menu-button:focus-visible,.drawer-close:focus-visible,a:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.menu-button{width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:8px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;z-index:10002}.menu-button span{display:block;width:19px;height:2px;background:#31577f;border-radius:3px}.drawer-overlay{position:fixed;inset:0;background:rgba(19,45,70,.34);z-index:10000;opacity:0;transition:opacity .18s}.drawer-overlay.show{opacity:1}.drawer{position:fixed;right:0;top:0;height:100dvh;width:min(380px,88vw);background:#fff;z-index:10001;transform:translateX(102%);transition:transform .22s ease;box-shadow:-16px 0 40px rgba(18,57,94,.18);padding:22px;overflow-y:auto}.drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:16px}.drawer-close{width:44px;height:44px;border:0;background:var(--section);color:var(--title);font-size:29px;border-radius:50%;cursor:pointer}.drawer-nav{display:grid;padding:14px 0}.drawer-nav a{padding:11px 8px;border-bottom:1px solid #edf3f8;color:var(--text);text-decoration:none}.drawer-nav a:hover{color:var(--deep);background:var(--light)}.drawer-download{width:100%;margin-top:12px}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.section{padding:78px 0}.section-light{background:var(--section)}.section-soft{background:var(--section2)}.section-title{margin:0 0 14px;color:var(--title);font-size:clamp(28px,4vw,42px);line-height:1.2}.section-lead{max-width:760px;margin:0 0 34px;color:var(--muted);font-size:17px}.eyebrow{display:inline-block;margin-bottom:14px;color:var(--deep);background:var(--light);padding:5px 11px;border-radius:999px;font-weight:700;font-size:13px}.hero{padding:72px 0 58px;background:linear-gradient(180deg,#fff 0,#f8fbff 100%);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:52px}.hero h1{margin:0;color:var(--title);font-size:clamp(38px,5vw,62px);line-height:1.12}.hero-subtitle{font-size:clamp(20px,2.3vw,28px);color:var(--deep);font-weight:700;margin:18px 0}.hero-copy{font-size:17px;color:#52677c;max-width:680px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.hero-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px}.hero-links a{text-decoration:none}.hero-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:24px 0 0;padding:0;list-style:none}.hero-points li{padding:9px 12px;background:#fff;border:1px solid var(--border);border-radius:8px}.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:8% 2%;background:#eaf4ff;border-radius:44% 56% 52% 48%/52% 42% 58% 48%;z-index:0}.hero-visual img{position:relative;z-index:1;max-width:100%;height:auto;object-fit:contain;display:block;margin:auto}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.info-card,.category-card,.review-card,.faq-card,.content-card{background:#fff;border:1px solid var(--border);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(--title)}.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:26px;transition:.18s ease;min-height:190px;display:flex;flex-direction:column}.category-card:hover{transform:translateY(-3px);border-color:var(--blue)}.category-card:last-child{grid-column:1/-1;min-height:auto}.category-card .text-link{margin-top:auto;padding-top:14px;text-decoration:none;font-weight:700}.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.split.reverse .feature-image{order:2}.feature-image img,.content-img{max-width:100%;height:auto;object-fit:contain;display:block}.prose p{margin:0 0 16px}.prose h2,.prose h3{color:var(--title);line-height:1.3}.prose ul,.prose ol{padding-left:1.25em}.notice{padding:18px 20px;background:#fff7e8;border-left:4px solid #f1aa31;border-radius:6px;color:#65512f}.safety-notice{padding:20px;background:#eef7ff;border:1px solid #c8e2f8;border-radius:8px}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.content-card{padding:28px}.content-card img{max-height:250px;margin:0 auto 20px}.announcement-list{display:grid;gap:14px}.announcement{padding:18px 20px;background:#fff;border:1px solid var(--border);border-radius:8px}.announcement small{color:var(--deep);font-weight:700}.announcement h3{margin:4px 0 6px;color:var(--title)}.announcement p{margin:0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.review-card{padding:22px}.review-card p{margin:0}.review-card span{display:block;margin-top:12px;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:14px}.faq-card{padding:20px 22px}.faq-card h3{margin:0 0 8px;color:var(--title);font-size:18px}.faq-card p{margin:0;color:var(--muted)}.page-hero{padding:58px 0;background:linear-gradient(180deg,#f7fbff,#fff)}.page-hero h1{margin:0;color:var(--title);font-size:clamp(34px,4.6vw,52px)}.page-hero p{max-width:760px;font-size:18px;color:var(--muted)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:44px}.article-body{min-width:0}.article-body section{margin-bottom:42px}.article-body h2{font-size:29px;margin:0 0 14px;color:var(--title)}.article-body h3{color:var(--title);margin:24px 0 8px}.article-body p{margin:0 0 14px}.article-body ul,.article-body ol{margin-top:8px}.side-nav{position:sticky;top:94px;align-self:start;padding:18px;background:var(--section);border:1px solid var(--border);border-radius:8px}.side-nav h3{margin:0 0 10px;color:var(--title)}.side-nav a{display:block;padding:8px 0;text-decoration:none;border-bottom:1px solid #dfe9f2}.table-wrap{overflow-x:auto}.simple-table{width:100%;border-collapse:collapse;min-width:620px}.simple-table th,.simple-table td{padding:13px 14px;border:1px solid var(--border);text-align:left;vertical-align:top}.simple-table th{background:var(--section);color:var(--title)}.tag{display:inline-block;padding:3px 9px;border-radius:999px;background:var(--light);color:var(--deep);font-size:13px;font-weight:700;margin-right:6px}.site-footer{background:#438ddf;color:#fff}.footer-inner{max-width:1160px;margin:auto;padding:52px 20px 34px;display:grid;grid-template-columns:1.1fr 1.9fr;gap:52px}.footer-brand p{max-width:420px;color:#eaf4ff}.footer-logo{display:inline-flex;background:#fff;border-radius:8px;padding:5px 10px}.footer-logo img{display:block;max-height:42px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.footer-links h3{margin:0 0 10px;color:#fff}.footer-links a{display:block;color:#fff;text-decoration:none;padding:4px 0;opacity:.94}.footer-links a:hover{text-decoration:underline}.footer-risk{max-width:1160px;margin:0 auto;padding:20px;border-top:1px solid rgba(255,255,255,.22);color:#eef7ff}.footer-copy{text-align:center;padding:18px 20px 26px;border-top:1px solid rgba(255,255,255,.18);color:#eaf4ff;font-size:14px}
@media(max-width:1050px){.nav-core{display:none}.hero-grid,.split{gap:34px}.info-grid{grid-template-columns:repeat(2,1fr)}.review-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.side-nav{position:static}.footer-inner{grid-template-columns:1fr}}
@media(max-width:768px){.header-inner{min-height:62px;padding:0 14px;gap:10px}.site-logo img{max-height:35px}.header-actions{gap:7px}.header-download{min-height:44px;padding:0 14px;font-size:14px}.menu-button{width:44px;height:44px}.container{width:min(100% - 32px,1160px)}.section{padding:56px 0}.hero{padding:48px 0}.hero-grid,.split,.dual-grid{grid-template-columns:1fr}.hero-visual{margin-top:10px}.hero-points{grid-template-columns:1fr}.info-grid,.category-grid,.review-grid{grid-template-columns:1fr;gap:18px}.category-card:last-child{grid-column:auto}.split.reverse .feature-image{order:0}.footer-links{grid-template-columns:1fr 1fr}.page-hero{padding:44px 0}.article-body h2{font-size:25px}.main-btn,.secondary-btn{min-height:44px}.hero-actions .main-btn,.hero-actions .secondary-btn{flex:1 1 160px}}
@media(max-width:480px){.header-inner{padding:0 10px}.site-logo img{max-width:108px}.header-download{padding:0 11px}.footer-links{grid-template-columns:1fr}.section-title{font-size:30px}.hero h1{font-size:38px}.hero-subtitle{font-size:21px}.content-card,.category-card{padding:22px}}