:root{--primary:rgb(213,5,5);--header:rgb(180,4,4);--dark:#171717;--text:#343434;--muted:#666;--line:#eeeeee;--soft:#f7f7f7;--white:#fff;--shadow:0 12px 34px rgba(0,0,0,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#fff;color:var(--text);line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{position:relative;z-index:20;background:#fff}.desktop-header{display:none}.mobile-header{height:62px;background:#fff;display:grid;grid-template-columns:52px 1fr 76px;align-items:center;border-bottom:3px solid var(--header);padding:0 12px}.menu-toggle{width:40px;height:40px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0;cursor:pointer}.menu-toggle span{width:25px;height:2px;background:#191919;border-radius:99px;display:block;transition:.2s}.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle.open span:nth-child(2){opacity:0}.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-logo{justify-self:center}.logo{height:34px;width:auto;object-fit:contain}.mobile-action,.top-action{background:var(--primary);color:#fff;border-radius:999px;font-weight:700;text-align:center;box-shadow:0 8px 18px rgba(213,5,5,.22)}.mobile-action{font-size:14px;padding:8px 12px}.mobile-nav-panel{display:none;background:#fff;border-bottom:1px solid #eee;box-shadow:0 14px 28px rgba(0,0,0,.08);padding:10px 16px}.mobile-nav-panel.open{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-nav-link{padding:11px 12px;border-radius:12px;background:#f8f8f8;color:#333;font-weight:600}.mobile-nav-link.active{background:rgba(213,5,5,.1);color:var(--primary)}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;background:var(--primary);color:#fff;border-radius:999px;font-weight:800;box-shadow:0 12px 24px rgba(213,5,5,.22);transition:.2s}.main-btn:hover,.top-action:hover,.mobile-action:hover{background:var(--header);transform:translateY(-1px)}.text-link{display:inline-flex;margin-top:14px;color:var(--primary);font-weight:800}.section-pad{padding:58px 0}.muted-bg{background:#f8f8f8}.eyebrow,.section-heading span{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:800;letter-spacing:.02em}.section-heading{margin-bottom:24px}.section-heading h2{font-size:28px;line-height:1.25;margin:8px 0 10px;color:#111}.section-heading p{margin:0;color:#666;max-width:760px}.official-hero{background:linear-gradient(180deg,#fff 0%,#fff5f5 100%);padding:42px 0 56px}.hero-grid{display:grid;gap:28px}.hero-copy h1{font-size:34px;line-height:1.16;margin:10px 0 16px;color:#101010}.hero-copy p{font-size:16px;color:#4c4c4c;margin:0 0 22px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.hero-tags span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(213,5,5,.18);color:var(--primary);font-weight:700}.hero-visual{position:relative}.hero-visual img,.showcase-image img,.app-image img,.data-visual>img,.split-panel img,.page-hero-grid img{border-radius:22px;box-shadow:var(--shadow);width:100%;object-fit:cover}.hero-stat-card{background:#fff;border-left:5px solid var(--primary);padding:16px;border-radius:16px;margin-top:14px;box-shadow:var(--shadow)}.hero-stat-card strong{color:#111}.hero-stat-card p{margin:6px 0 0;color:#666}.category-main-grid,.category-sub-grid,.focus-card-grid,.security-grid,.faq-grid{display:grid;gap:16px}.category-main-grid{grid-template-columns:1fr}.category-sub-grid{margin-top:16px;grid-template-columns:1fr}.category-card,.focus-card,.rich-card,.faq-item,.security-grid article,.data-cards article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 22px rgba(0,0,0,.045)}.category-main-card{min-height:210px;border-top:4px solid var(--primary)}.category-sub-card{background:#fff}.category-card h3,.focus-card h3,.security-grid h3,.faq-item h3,.rich-card h2,.data-cards strong{margin:0 0 10px;color:#111}.category-card p,.focus-card p,.security-grid p,.faq-item p,.rich-card p{margin:0;color:#555}.category-card a,.focus-card a{display:inline-flex;margin-top:14px;color:var(--primary);font-weight:800}.focus-card span{display:inline-flex;padding:4px 10px;background:rgba(213,5,5,.1);color:var(--primary);border-radius:999px;font-size:13px;font-weight:800;margin-bottom:10px}.split-grid,.showcase-grid,.data-grid,.app-grid,.page-hero-grid{display:grid;gap:22px}.split-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.split-panel-red{background:#fffafa}.split-panel h2,.showcase-copy h2,.data-copy h2,.app-copy h2{font-size:26px;line-height:1.28;color:#111;margin:10px 0 14px}.info-list{display:grid;gap:12px;margin-top:16px}.info-list article{padding:14px;border-radius:16px;background:#f8f8f8;border:1px solid #eee}.info-list h3{margin:0 0 6px;color:#111}.info-list p{margin:0;color:#555}.check-list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}.check-list li{position:relative;padding-left:24px;color:#444}.check-list li:before{content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;background:var(--primary);border-radius:50%}.data-visual{display:grid;gap:14px}.data-cards{display:grid;gap:12px}.data-cards p{margin:6px 0 0;color:#666}.security-grid{grid-template-columns:1fr}.responsible-box{background:#fff;border-left:6px solid var(--primary);padding:24px;border-radius:18px;box-shadow:var(--shadow)}.responsible-box h2{margin:0 0 10px;color:#111}.responsible-box p{margin:0;color:#4b4b4b}.bottom-cta .cta-box{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;text-align:center;box-shadow:var(--shadow)}.cta-box h2{margin:0 0 10px;color:#111}.cta-box p{margin:0 auto 18px;color:#555;max-width:720px}.page-hero{background:linear-gradient(180deg,#fff 0%,#fff4f4 100%);padding:42px 0}.page-hero h1{font-size:32px;line-height:1.2;color:#111;margin:10px 0 14px}.page-hero p{margin:0;color:#555;max-width:840px}.content-section{background:#fff}.article-layout{display:grid;gap:18px}.rich-card{padding:22px}.rich-card h2{font-size:22px}.notice-card{background:#fffafa;border-left:5px solid var(--primary)}.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.related-links a{padding:9px 14px;border-radius:999px;background:rgba(213,5,5,.08);color:var(--primary);font-weight:800}.number-list{padding-left:20px;margin:0 0 12px}.number-list li{margin:8px 0;color:#444}.notice-list{display:grid;gap:10px}.notice-list p{padding:12px;border-radius:12px;background:#f8f8f8}.faq-list{display:grid;gap:14px}.faq-list .faq-item h2{font-size:20px;margin:0 0 8px;color:#111}.site-footer{background:#171717;color:#e8e8e8;padding:44px 0 24px}.footer-grid{display:grid;gap:24px}.footer-logo{height:36px;margin-bottom:12px}.footer-brand p{margin:0;color:#cfcfcf}.footer-links{display:grid;gap:8px}.footer-links h3{margin:0 0 6px;color:#fff}.footer-links a{color:#d7d7d7}.footer-links a:hover{color:#fff}.footer-notice{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;color:#c7c7c7;font-size:14px}.footer-notice p{margin:6px 0}.search-icon{width:34px;height:34px;border:2px solid #e6e6e6;border-radius:50%;position:relative;display:inline-block}.search-icon:after{content:"";position:absolute;width:9px;height:2px;background:#999;right:-4px;bottom:4px;transform:rotate(45deg);border-radius:4px}
@media (min-width:640px){.category-sub-grid,.security-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}.focus-card-grid{grid-template-columns:repeat(2,1fr)}.hero-copy h1{font-size:42px}.page-hero h1{font-size:38px}}
@media (min-width:920px){.mobile-header,.mobile-nav-panel{display:none}.desktop-header{display:block}.header-topbar{background:var(--header);color:#fff;font-size:14px}.header-topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}.desktop-nav-wrap{background:#fff;border-bottom:1px solid #eee;box-shadow:0 8px 24px rgba(0,0,0,.05)}.desktop-nav{height:76px;display:flex;align-items:center;gap:24px}.logo{height:42px}.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}.nav-link{padding:10px 12px;border-radius:999px;color:#333;font-weight:700;font-size:15px}.nav-link.active,.nav-link:hover{color:var(--primary);background:rgba(213,5,5,.08)}.top-action{padding:10px 22px}.official-hero{padding:66px 0 78px}.hero-grid{grid-template-columns:1.05fr .95fr;align-items:center}.hero-copy h1{font-size:52px}.hero-copy p{font-size:18px}.category-main-grid{grid-template-columns:repeat(4,1fr)}.category-sub-grid{grid-template-columns:repeat(4,1fr)}.category-main-card{padding:24px;min-height:250px}.focus-card-grid{grid-template-columns:repeat(4,1fr)}.split-grid{grid-template-columns:1fr 1fr}.showcase-grid,.data-grid,.app-grid,.page-hero-grid{grid-template-columns:1fr 1fr;align-items:center}.security-grid{grid-template-columns:repeat(3,1fr)}.faq-grid{grid-template-columns:repeat(5,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}.section-pad{padding:76px 0}.page-hero{padding:64px 0}.page-hero h1{font-size:46px}.article-layout{grid-template-columns:repeat(2,1fr)}.article-layout .notice-card{grid-column:1/-1}.download-hero .page-hero-grid{grid-template-columns:1fr .8fr}}
@media (min-width:1180px){.nav-link{padding:10px 15px}.hero-copy h1{font-size:58px}}