:root{--blue:#3f8fe5;--blue-dark:#2875c7;--blue-soft:#eaf4ff;--ink:#1f2d3d;--text:#34495e;--muted:#6f7f90;--hint:#8c99a8;--line:#d8e4f0;--line-soft:#e5edf5;--bg:#fff;--bg-soft:#f4f7fb;--bg-alt:#eef3f9;--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:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#2f83d8}img{max-width:100%}button,input,textarea,select{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.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-soft);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;justify-content:center;gap:10px;white-space:nowrap}.nav-core a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px;font-size:15px}.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;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)}.main-btn:focus-visible,.secondary-btn:focus-visible,.menu-btn:focus-visible,.drawer-close:focus-visible,.text-link:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.main-btn:active,.secondary-btn:active{transform:translateY(0)}.secondary-btn{color:var(--blue-dark);background:#fff;border:1px solid var(--line)}.secondary-btn:hover{border-color:var(--blue);background:var(--blue-soft)}.menu-btn{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}.menu-btn span{width:19px;height:2px;background:var(--text);border-radius:2px}.drawer-mask{position:fixed;inset:0;z-index:10000;background:rgba(20,42,68,.36);opacity:0;transition:opacity .18s}.drawer-mask.show{opacity:1}.site-drawer{position:fixed;top:0;right:0;z-index:10001;width:min(380px,90vw);height:100dvh;background:#fff;transform:translateX(100%);transition:transform .22s ease;box-shadow:-18px 0 40px rgba(31,45,61,.15);padding:18px;overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line-soft)}.drawer-close{width:44px;height:44px;border:0;background:var(--bg-soft);border-radius:8px;font-size:30px;line-height:1;color:var(--text);cursor:pointer}.drawer-nav{display:grid;margin:14px 0}.drawer-nav a{padding:11px 10px;border-bottom:1px solid var(--line-soft);color:var(--text);text-decoration:none;border-radius:8px}.drawer-nav a:hover{background:var(--blue-soft);color:var(--blue-dark)}.drawer-download{width:100%;margin-top:10px}
.hero{padding:72px 0 58px;position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}.hero:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:#eaf4ff;right:-160px;top:-190px;z-index:0}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-dark);font-weight:700;background:var(--blue-soft);border:1px solid #d5eaff;border-radius:999px;padding:7px 12px;font-size:14px}.hero h1{font-size:clamp(36px,5vw,58px);line-height:1.14;margin:18px 0 14px;color:var(--ink);letter-spacing:-1px}.hero-subtitle{font-size:clamp(20px,2.4vw,28px);line-height:1.45;color:var(--blue-dark);font-weight:700;margin:0 0 16px}.hero-copy{font-size:17px;color:var(--muted);margin:0 0 24px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}.hero-links{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}.hero-links a{text-decoration:none}.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:24px 0 0;padding:0;list-style:none}.hero-points li{padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.78);font-size:14px}.hero-visual{display:flex;align-items:center;justify-content:center}.hero-visual img{max-width:100%;height:auto;object-fit:contain;display:block;filter:drop-shadow(0 24px 38px rgba(43,97,153,.14))}
section{padding:72px 0}.section-light{background:var(--bg-soft)}.section-alt{background:var(--bg-alt)}.section-head{max-width:760px;margin:0 auto 34px;text-align:center}.section-kicker{color:var(--blue-dark);font-size:14px;font-weight:700;letter-spacing:.08em}.section-title,h1,h2,h3{color:var(--ink)}.section-title{font-size:clamp(28px,3vw,40px);line-height:1.25;margin:8px 0 12px}.section-desc{color:var(--muted);margin:0}.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));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{font-size:18px;margin:0 0 8px}.info-card p{margin:0;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.category-card{padding:26px;display:flex;flex-direction:column;min-height:188px;transition:.18s ease}.category-card:hover{border-color:var(--blue);transform:translateY(-3px)}.category-card h3{margin:0 0 8px;color:var(--blue-dark);font-size:21px}.category-card p{color:var(--muted);margin:0 0 16px;flex:1}.category-card:last-child{grid-column:1/-1;min-height:150px}.text-link{display:inline-flex;align-items:center;gap:4px;color:#2f83d8;text-decoration:none;font-weight:700}.text-link:hover{text-decoration:underline}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}.feature-row.reverse .feature-image{order:2}.feature-image{background:#fff;border:1px solid var(--line-soft);border-radius:14px;padding:28px;min-height:320px;display:flex;align-items:center;justify-content:center}.feature-image img,.content-img{max-width:100%;height:auto;object-fit:contain;display:block}.feature-copy h2{font-size:clamp(28px,3.2vw,40px);line-height:1.24;margin:0 0 14px}.feature-copy p{color:var(--muted);margin:0 0 16px}.check-list{padding:0;margin:20px 0 26px;list-style:none;display:grid;gap:10px}.check-list li{position:relative;padding-left:24px}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--blue-dark);font-weight:700}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px}.content-card{padding:30px}.content-card h3{margin-top:0}.content-card p:last-child{margin-bottom:0}.notice-list{display:grid;gap:14px}.notice-card{padding:20px 22px;display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center}.notice-type{font-weight:700;color:var(--blue-dark);background:var(--blue-soft);border-radius:999px;padding:5px 10px;text-align:center;font-size:13px}.notice-card h3{margin:0 0 4px;font-size:18px}.notice-card p{margin:0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.review-card{padding:24px}.review-card p{margin:0;color:var(--text)}.review-meta{display:block;color:var(--hint);font-size:13px;margin-top:14px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.faq-card{padding:22px}.faq-card h3{font-size:18px;margin:0 0 8px}.faq-card p{color:var(--muted);margin:0}.risk-banner{padding:28px;border:1px solid #cfe3f7;background:#f6fbff;border-radius:10px}.risk-banner h2{margin-top:0}.risk-banner p{margin-bottom:0}.page-hero{padding:58px 0 44px;background:linear-gradient(180deg,#f8fbff,#fff)}.page-hero .container{max-width:920px}.page-hero h1{font-size:clamp(34px,4vw,50px);line-height:1.2;margin:10px 0 14px}.page-hero p{font-size:17px;color:var(--muted);margin:0}.article{padding:58px 0 80px}.article .container{max-width:920px}.article h2{font-size:28px;margin:42px 0 12px}.article h3{font-size:21px;margin:28px 0 8px}.article p{margin:0 0 16px}.article ul,.article ol{padding-left:22px}.article li{margin:8px 0}.article-note{padding:20px 22px;background:var(--blue-soft);border-left:4px solid var(--blue);border-radius:8px;margin:22px 0}.article-warning{padding:20px 22px;background:#fffaf0;border:1px solid #f3dfad;border-radius:8px;margin:22px 0}.steps{counter-reset:step;display:grid;gap:14px;margin:20px 0}.step{counter-increment:step;padding:20px 20px 20px 62px;border:1px solid var(--line);border-radius:8px;position:relative;background:#fff}.step:before{content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:700}.faq-list{display:grid;gap:16px}.faq-item{padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff}.faq-item h2{font-size:20px;margin:0 0 10px}.faq-item p{margin:0;color:var(--muted)}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.tag{padding:5px 9px;border-radius:999px;background:var(--blue-soft);color:var(--blue-dark);font-size:13px}.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px;border:1px solid var(--line);border-radius:10px;background:#fff}.cta-strip h2{margin:0 0 6px}.cta-strip p{margin:0;color:var(--muted)}.site-footer{background:#438ddf;color:#fff;padding:52px 0 24px}.footer-inner{width:min(1160px,calc(100% - 40px));margin:auto}.footer-brand{max-width:640px}.footer-brand img{display:block;max-height:44px;width:auto;filter:brightness(0) invert(1)}.footer-brand p{opacity:.92}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin:34px 0}.footer-links h3{color:#fff;margin:0 0 8px}.footer-links a{display:block;color:#fff;text-decoration:none;opacity:.9;padding:4px 0}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-risk{border-top:1px solid rgba(255,255,255,.28);border-bottom:1px solid rgba(255,255,255,.28);padding:18px 0;opacity:.94}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:18px}.footer-bottom a{color:#fff}.muted{color:var(--muted)}
@media(max-width:980px){.nav-core{display:none}.info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-card:last-child{grid-column:1/-1}.hero-grid,.feature-row{grid-template-columns:1fr}.feature-row.reverse .feature-image{order:0}.hero-copy-wrap{max-width:760px}.hero-visual img{max-width:620px}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.notice-card{grid-template-columns:100px 1fr}.notice-card .text-link{grid-column:2}.two-col{grid-template-columns:1fr}}
@media(max-width:768px){.header-inner{min-height:62px;padding:0 14px;gap:8px}.site-logo img{max-height:34px;max-width:120px}.header-actions{gap:7px}.header-download{min-height:44px;padding:0 13px;font-size:14px}.container,.footer-inner{width:min(100% - 32px,1160px)}.hero{padding:48px 0 42px}.hero-grid{gap:28px}.hero-points{grid-template-columns:1fr}.hero-actions .main-btn,.hero-actions .secondary-btn{flex:1 1 180px}.info-grid,.category-grid,.review-grid,.faq-grid{grid-template-columns:1fr}.category-card:last-child{grid-column:auto}.category-grid{gap:16px}.feature-row{gap:28px}.feature-image{min-height:240px;padding:18px}section{padding:54px 0}.section-head{text-align:left}.notice-card{grid-template-columns:1fr;gap:8px}.notice-type{justify-self:start}.notice-card .text-link{grid-column:auto}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{align-items:flex-start;flex-direction:column}.cta-strip{align-items:flex-start;flex-direction:column}.page-hero{padding:42px 0 34px}.article{padding:42px 0 58px}.article h2{font-size:25px;margin-top:34px}}
@media(max-width:480px){.header-download{padding:0 10px}.menu-btn{width:44px}.footer-links{grid-template-columns:1fr}.hero h1{font-size:36px}.hero-subtitle{font-size:20px}.section-title{font-size:30px}.content-card{padding:22px}.site-drawer{padding:14px}}