*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#34495e;font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto}a{color:#2f83d8}.skip-link{position:fixed;left:16px;top:-100px;z-index:20000;background:#1f2d3d;color:#fff;padding:10px 16px;border-radius:8px}.skip-link:focus{top:12px}.container{width:min(1180px,calc(100% - 40px));margin-inline: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 #e5edf5;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:8px;white-space:nowrap}.nav-core a{color:#34495e;text-decoration:none;padding:8px 10px;border-radius:8px;font-size:15px}.nav-core a:hover,.nav-core a.active{color:#2875c7;background:#eaf4ff}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.main-btn,.secondary-btn,.ghost-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:.2s ease}.main-btn{color:#fff;background:#3f8fe5;box-shadow:0 10px 24px rgba(63,143,229,.22)}.main-btn:hover{background:#2f7fd3;transform:translateY(-1px)}.secondary-btn{color:#2875c7;background:#eaf4ff;border:1px solid #b9d8f8}.secondary-btn:hover{background:#dceeff}.ghost-btn{color:#2875c7;border:1px solid #b9d8f8;background:#fff}.ghost-btn:hover{border-color:#3f8fe5;background:#f7fbff}.main-btn:focus-visible,.secondary-btn:focus-visible,.ghost-btn:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.menu-toggle{width:44px;height:44px;border:1px solid #d8e4f0;border-radius:8px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;z-index:3}.menu-toggle span{width:20px;height:2px;background:#2875c7;border-radius:2px}.drawer-overlay{position:fixed;inset:0;background:rgba(16,34,53,.42);z-index:10000;opacity:0;transition:opacity .22s}.drawer-overlay.is-visible{opacity:1}.drawer-menu{position:fixed;top:0;right:0;width:min(410px,92vw);height:100dvh;background:#fff;z-index:10001;transform:translateX(105%);transition:transform .25s ease;display:flex;flex-direction:column;box-shadow:-20px 0 60px rgba(22,55,88,.18)}.drawer-menu.is-open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #e5edf5}.drawer-close{width:44px;height:44px;border:0;background:#eef3f9;border-radius:8px;color:#1f2d3d;font-size:30px;line-height:1;cursor:pointer}.drawer-links{padding:14px 20px;overflow:auto;display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-links a{color:#34495e;text-decoration:none;padding:11px 12px;border-radius:8px;border:1px solid transparent}.drawer-links a:hover{color:#2875c7;background:#eaf4ff;border-color:#d8e4f0}.drawer-foot{margin-top:auto;padding:20px;background:#f4f7fb;border-top:1px solid #e5edf5}.drawer-foot p{font-size:14px;color:#6f7f90;margin:0 0 14px}.full-btn{width:100%}main{min-height:60vh}.hero{padding:82px 0 64px;position:relative;overflow:hidden}.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}.hero::before{width:420px;height:420px;background:#eaf4ff;right:-130px;top:-150px}.hero::after{width:220px;height:220px;background:#f4f7fb;left:-80px;bottom:-70px}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:64px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#2875c7;background:#eaf4ff;border:1px solid #cde3fb;padding:6px 12px;border-radius:999px;font-size:14px;font-weight:700}.hero h1,.page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.14;letter-spacing:-1.5px;color:#1f2d3d;margin:20px 0 16px}.hero-subtitle{font-size:clamp(20px,2.4vw,29px);line-height:1.45;color:#2875c7;font-weight:700;margin:0 0 18px}.hero-copy{font-size:17px;color:#586b7e;max-width:700px;margin:0 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}.hero-links a{text-decoration:none;font-weight:700}.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin-top:28px;padding:0;list-style:none}.hero-points li{position:relative;padding-left:22px;color:#52677c}.hero-points li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:#3f8fe5}.hero-visual{position:relative;display:flex;justify-content:center}.hero-visual::before{content:"";position:absolute;inset:12% 5%;background:linear-gradient(145deg,#eef7ff,#f7fbff);border:1px solid #d8e4f0;border-radius:42px;transform:rotate(-4deg)}.hero-visual img{position:relative;z-index:1;display:block;max-height:580px;object-fit:contain;filter:drop-shadow(0 26px 40px rgba(43,97,153,.16))}.section{padding:82px 0}.section-light{background:#f4f7fb}.section-blue{background:#eef6ff}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-heading .heading-copy{max-width:760px}.section-kicker{color:#2875c7;font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px}.section-title,h1,h2,h3{color:#1f2d3d}.section-title{font-size:clamp(28px,3.6vw,44px);line-height:1.25;margin:0 0 12px}.section-desc{margin:0;color:#6f7f90;font-size:17px}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.info-card,.category-card,.review-card,.faq-card,.article-card,.notice-card,.stat-card{background:#fff;border:1px solid #d8e4f0;border-radius:10px;box-shadow:0 8px 24px rgba(43,97,153,.06)}.info-card{padding:26px}.info-card .number{width:42px;height:42px;display:grid;place-items:center;border-radius:10px;background:#eaf4ff;color:#2875c7;font-weight:800;margin-bottom:18px}.info-card h3{margin:0 0 9px;font-size:20px}.info-card p{margin:0;color:#6f7f90}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.category-card{padding:28px;display:flex;flex-direction:column;min-height:210px;transition:.2s ease}.category-card:hover{border-color:#3f8fe5;transform:translateY(-4px);box-shadow:0 14px 30px rgba(43,97,153,.1)}.category-card.category-wide{grid-column:1/-1;min-height:auto;display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px}.category-tag{font-size:13px;color:#2875c7;font-weight:700;margin-bottom:12px}.category-card h3{font-size:23px;margin:0 0 10px}.category-card p{color:#6f7f90;margin:0 0 20px}.text-link{color:#2f83d8;text-decoration:none;font-weight:700;margin-top:auto}.text-link:hover{text-decoration:underline}.split-section{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.split-section.reverse .feature-image{order:2}.feature-image{background:#fff;border:1px solid #d8e4f0;border-radius:18px;padding:32px;box-shadow:0 16px 40px rgba(43,97,153,.08)}.feature-image img,.content-img,.hero-visual img{max-width:100%;height:auto;object-fit:contain;display:block}.feature-copy h2{font-size:clamp(30px,3.6vw,46px);line-height:1.25;margin:0 0 16px}.feature-copy p{color:#5f7284;margin:0 0 16px}.check-list{list-style:none;padding:0;margin:24px 0}.check-list li{position:relative;padding:8px 0 8px 30px;color:#52677c}.check-list li::before{content:"✓";position:absolute;left:0;top:8px;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:#eaf4ff;color:#2875c7;font-size:13px;font-weight:800}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.article-card{padding:30px}.article-card img{height:220px;width:100%;object-fit:contain;margin-bottom:24px}.article-card h3{font-size:27px;margin:0 0 12px}.article-card p{color:#5f7284}.article-card .mini-list{padding-left:20px;color:#52677c}.notice-list{display:grid;gap:14px}.notice-card{padding:22px 24px;display:grid;grid-template-columns:130px 1fr auto;gap:20px;align-items:center}.notice-type{display:inline-flex;width:max-content;padding:5px 10px;border-radius:999px;background:#eaf4ff;color:#2875c7;font-weight:700;font-size:13px}.notice-card h3{margin:0 0 5px;font-size:19px}.notice-card p{margin:0;color:#6f7f90}.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.review-card{padding:26px}.review-card p{margin:0 0 18px;color:#52677c}.review-meta{display:flex;align-items:center;gap:12px;color:#2875c7;font-weight:700}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#eaf4ff}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid #d8e4f0;border-radius:10px;overflow:hidden}.faq-question{width:100%;min-height:60px;padding:16px 20px;border:0;background:#fff;color:#1f2d3d;font-size:17px;font-weight:700;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer}.faq-question::after{content:"+";color:#2875c7;font-size:24px}.faq-question[aria-expanded="true"]::after{content:"−"}.faq-answer{padding:0 20px 20px;color:#5f7284}.faq-answer p{margin:0}.risk-panel{background:#1f5f9f;color:#fff;border-radius:18px;padding:38px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.risk-panel h2{color:#fff;margin:0 0 10px;font-size:31px}.risk-panel p{margin:0;color:#dcecff}.risk-panel .ghost-btn{border-color:rgba(255,255,255,.48);background:rgba(255,255,255,.1);color:#fff}.page-hero{padding:74px 0 58px;background:linear-gradient(180deg,#f5faff 0,#fff 100%);border-bottom:1px solid #e5edf5}.page-hero .container{display:grid;grid-template-columns:1fr 320px;gap:50px;align-items:center}.page-hero h1{font-size:clamp(36px,4.5vw,56px);margin-bottom:16px}.page-hero p{font-size:18px;color:#5f7284;max-width:780px}.page-hero-panel{background:#fff;border:1px solid #d8e4f0;border-radius:16px;padding:24px;box-shadow:0 12px 32px rgba(43,97,153,.08)}.page-hero-panel strong{display:block;color:#2875c7;font-size:18px;margin-bottom:8px}.page-hero-panel p{font-size:14px;margin:0}.breadcrumbs{font-size:14px;color:#8c99a8;margin-bottom:12px}.breadcrumbs a{text-decoration:none}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}.article-content{min-width:0}.article-content h2{font-size:30px;line-height:1.35;margin:46px 0 16px}.article-content h2:first-child{margin-top:0}.article-content h3{font-size:22px;margin:28px 0 10px}.article-content p,.article-content li{color:#52677c}.article-content ul,.article-content ol{padding-left:22px}.article-content blockquote{margin:28px 0;padding:20px 22px;border-left:4px solid #3f8fe5;background:#f4f9ff;border-radius:0 10px 10px 0;color:#52677c}.side-nav{position:sticky;top:96px;background:#f4f7fb;border:1px solid #d8e4f0;border-radius:12px;padding:22px}.side-nav h2{font-size:18px;margin:0 0 12px}.side-nav a{display:block;padding:8px 0;color:#52677c;text-decoration:none;border-bottom:1px solid #e5edf5}.side-nav a:last-child{border-bottom:0}.side-nav a:hover{color:#2875c7}.steps{counter-reset:step;display:grid;gap:18px}.step-card{counter-increment:step;background:#fff;border:1px solid #d8e4f0;border-radius:12px;padding:24px 24px 24px 78px;position:relative}.step-card::before{content:counter(step);position:absolute;left:24px;top:24px;width:38px;height:38px;display:grid;place-items:center;background:#3f8fe5;color:#fff;border-radius:10px;font-weight:800}.step-card h3{margin:0 0 6px}.step-card p{margin:0}.definition-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.definition-card{background:#fff;border:1px solid #d8e4f0;border-radius:10px;padding:22px}.definition-card h3{margin:0 0 8px}.definition-card p{margin:0}.warning-box,.info-box,.success-box{padding:20px 22px;border-radius:10px;margin:24px 0}.warning-box{background:#fff8ec;border:1px solid #f2d49b;color:#6e5530}.info-box{background:#eef7ff;border:1px solid #c9e2fa;color:#345f86}.success-box{background:#effaf5;border:1px solid #c5e8d7;color:#32664e}.tabs-labels{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.tabs-labels span{background:#eaf4ff;color:#2875c7;padding:6px 12px;border-radius:999px;font-size:14px;font-weight:700}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{background:#fff;border:1px solid #d8e4f0;border-radius:10px;padding:24px}.service-card h3{margin:0 0 10px}.service-card p{margin:0;color:#6f7f90}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.contact-card{background:#fff;border:1px solid #d8e4f0;border-radius:12px;padding:28px}.contact-card h2{font-size:24px;margin:0 0 10px}.contact-card p{margin:0;color:#5f7284}.site-footer{background:#438ddf;color:#fff;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:46px}.footer-brand img{filter:brightness(0) invert(1);max-height:44px;width:auto;margin-bottom:16px}.footer-brand p{color:#e8f3ff;margin:0;max-width:420px}.site-footer h2{color:#fff;font-size:17px;margin:0 0 16px}.site-footer a{display:block;color:#edf6ff;text-decoration:none;padding:4px 0}.site-footer a:hover{text-decoration:underline}.footer-risk{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.24);color:#e8f3ff;font-size:14px}.footer-bottom{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;gap:20px;color:#e8f3ff;font-size:14px}.footer-bottom a{display:inline;padding:0}.maintenance{min-height:100vh;display:grid;place-items:center;background:linear-gradient(180deg,#f2f8ff,#fff);padding:24px}.maintenance-card{width:min(560px,100%);background:#fff;border:1px solid #d8e4f0;border-radius:18px;padding:44px;text-align:center;box-shadow:0 18px 50px rgba(43,97,153,.12)}.maintenance-card img{max-height:48px;width:auto;margin:auto}.maintenance-card h1{font-size:36px;margin:24px 0 12px}.maintenance-card p{color:#6f7f90}.button-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:24px}@media(max-width:1080px){.nav-core{gap:2px}.nav-core a{font-size:14px;padding:8px 7px}.hero-grid,.split-section{gap:40px}.info-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.reviews-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.nav-core{display:none}.hero{padding-top:56px}.hero-grid,.split-section,.page-hero .container{grid-template-columns:1fr}.hero-copy{max-width:none}.hero-visual{max-width:540px;margin:auto}.split-section.reverse .feature-image{order:0}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card.category-wide{grid-column:1/-1}.dual-grid,.article-layout{grid-template-columns:1fr}.side-nav{position:static}.service-grid{grid-template-columns:repeat(2,1fr)}.notice-card{grid-template-columns:100px 1fr}.notice-card .text-link{grid-column:2}.page-hero-panel{max-width:560px}.risk-panel{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:auto}}@media(max-width:700px){.container{width:min(100% - 32px,1180px)}.header-inner{min-height:62px;padding:0 12px;gap:8px}.site-logo img{max-height:36px;max-width:138px}.header-download{min-height:44px;padding:0 13px;font-size:14px}.menu-toggle{width:44px;height:44px}.drawer-links{grid-template-columns:1fr}.hero{padding:44px 0}.hero h1{font-size:39px;letter-spacing:-.7px}.hero-subtitle{font-size:21px}.hero-copy{font-size:16px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions a{width:100%}.hero-links{gap:10px 16px}.hero-points{grid-template-columns:1fr}.section{padding:58px 0}.section-heading{align-items:start;flex-direction:column}.info-grid,.category-grid,.dual-grid,.reviews-grid,.definition-grid,.service-grid,.contact-grid{grid-template-columns:1fr}.category-card.category-wide{display:flex;grid-column:auto}.split-section{gap:30px}.feature-image{padding:20px}.article-card{padding:22px}.article-card img{height:180px}.notice-card{grid-template-columns:1fr;gap:8px}.notice-card .text-link{grid-column:auto}.risk-panel{padding:26px}.page-hero{padding:50px 0 42px}.page-hero .container{gap:28px}.article-content h2{font-size:26px}.article-layout{gap:28px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.maintenance-card{padding:30px 22px}.maintenance-card h1{font-size:30px}}@media(max-width:430px){.header-download{padding:0 10px;font-size:13px}.site-logo img{max-width:118px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.drawer-menu{width:94vw}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}