:root{
    --brand: rgb(213, 5, 5);
    --brand-deep: rgb(180, 4, 4);
    --brand-dark: rgb(145, 0, 0);
    --text: #1d1d1f;
    --muted: #666b73;
    --light: #f6f7f9;
    --line: #e8e8ea;
    --white: #ffffff;
    --shadow: 0 14px 38px rgba(18, 18, 18, .08);
    --radius: 18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px, calc(100% - 32px));margin:0 auto}
.site-header{position:relative;z-index:20;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.desktop-topbar,.desktop-header{display:none}
.mobile-header{height:62px;display:grid;grid-template-columns:58px 1fr 88px;align-items:center;background:#fff;border-bottom:3px solid var(--brand-deep);padding:0 12px;position:sticky;top:0;z-index:30}
.menu-button{width:42px;height:42px;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;border-radius:12px}
.menu-button span{width:24px;height:2px;background:var(--brand-deep);border-radius:3px;transition:.2s}
.menu-button.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-button.open span:nth-child(2){opacity:0}
.menu-button.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-logo{justify-self:center;display:flex;align-items:center;justify-content:center;height:44px}
.mobile-logo img{max-height:38px;width:auto}
.logo img{height:50px;width:auto}
.top-action{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:999px;padding:9px 20px;font-weight:700;box-shadow:0 10px 24px rgba(213,5,5,.22);transition:.2s;white-space:nowrap}
.top-action:hover,.main-btn:hover{background:var(--brand-dark);transform:translateY(-1px)}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 16px}
.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-nav a{padding:12px;border-radius:14px;background:#f7f7f8;color:#333;font-weight:650;text-align:center}
.mobile-nav a.active{background:rgba(213,5,5,.1);color:var(--brand)}
.search-icon{width:22px;height:22px;border:2px solid #444;border-radius:50%;display:inline-block;position:relative}
.search-icon:after{content:"";width:8px;height:2px;background:#444;position:absolute;right:-6px;bottom:-3px;transform:rotate(45deg);border-radius:2px}
main{background:#fff}.section{padding:58px 0}.section.light{background:var(--light)}
.section-title{margin:0 0 12px;font-size:28px;line-height:1.25;color:#111}.section-desc{margin:0 0 28px;color:var(--muted);font-size:16px;max-width:860px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;font-size:14px;letter-spacing:.05em;margin-bottom:12px}.eyebrow:before{content:"";width:28px;height:3px;background:var(--brand);border-radius:8px}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:999px;padding:13px 28px;font-weight:800;box-shadow:0 14px 28px rgba(213,5,5,.25);transition:.2s;border:0}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:800;margin-top:12px}.text-link:after{content:"›";font-size:18px}.official-hero{background:linear-gradient(180deg,#fff 0%,#fff5f5 100%);padding:42px 0 50px}.hero-grid{display:grid;gap:30px;align-items:center}.hero-copy h1{font-size:34px;line-height:1.18;margin:0 0 16px;color:#111}.hero-copy p{font-size:17px;color:#4b4f56;margin:0 0 20px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.hero-tags span{background:#fff;border:1px solid rgba(213,5,5,.18);color:var(--brand-deep);border-radius:999px;padding:8px 13px;font-weight:700;font-size:13px}.hero-visual{background:#fff;border-radius:26px;box-shadow:var(--shadow);padding:12px;border:1px solid rgba(213,5,5,.12)}.hero-visual img{border-radius:20px;width:100%;height:auto}.entry-strip{margin-top:24px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--brand);border-radius:18px;padding:18px 20px;color:#4b4f56}.category-main-grid{display:grid;gap:18px;margin-top:26px}.category-sub-grid{display:grid;gap:14px;margin-top:16px}.category-main-card,.category-sub-card,.match-card,.info-card,.data-card,.help-card,.faq-item,.page-card,.notice-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 28px rgba(20,20,20,.05)}.category-main-card{padding:24px;min-height:210px}.category-sub-card{padding:20px}.category-main-card h3,.category-sub-card h3,.match-card h3,.info-card h3,.data-card h3,.help-card h3,.page-card h3{margin:0 0 10px;color:#111}.category-main-card p,.category-sub-card p,.match-card p,.info-card p,.data-card p,.help-card p,.page-card p{margin:0;color:#5d626a}.card-label{display:inline-flex;background:rgba(213,5,5,.1);color:var(--brand);font-weight:800;border-radius:999px;padding:5px 10px;margin-bottom:12px;font-size:13px}.focus-grid{display:grid;gap:16px}.match-card{padding:22px;position:relative;overflow:hidden}.match-card:before{content:"";position:absolute;left:0;top:0;width:5px;height:100%;background:var(--brand)}.info-split{display:grid;gap:22px}.info-column{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.info-list{display:grid;gap:14px;margin-top:18px}.info-card{padding:18px}.split-image{margin-top:18px;border-radius:18px;overflow:hidden}.showcase{display:grid;gap:26px;align-items:center}.showcase-copy ul,.page-content ul{padding-left:18px;margin:16px 0 0}.showcase-copy li,.page-content li{margin:8px 0;color:#4d525a}.showcase-image{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff;padding:10px}.score-section{background:#fff8f8}.score-grid{display:grid;gap:24px;align-items:center}.data-cards{display:grid;gap:14px}.data-card{padding:18px}.app-card{background:#fff;border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow);padding:24px;display:grid;gap:22px;align-items:center}.help-grid{display:grid;gap:16px}.help-card{padding:20px}.responsible-box,.notice-panel{background:#f8f8f9;border-left:6px solid var(--brand);padding:24px;border-radius:20px}.responsible-box p,.notice-panel p{margin:0 0 12px;color:#4b4f56}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{margin:0;color:#555b63}.cta-block{background:linear-gradient(135deg,#fff,#fff0f0);border:1px solid rgba(213,5,5,.14);border-radius:28px;padding:34px;text-align:center;box-shadow:var(--shadow)}.cta-block h2{margin:0 0 12px;font-size:28px}.cta-block p{margin:0 auto 22px;max-width:780px;color:#555b63}.page-hero{padding:48px 0;background:linear-gradient(180deg,#fff,#fff4f4);border-bottom:1px solid rgba(213,5,5,.1)}.page-hero h1{font-size:34px;line-height:1.2;margin:0 0 14px}.page-hero p{margin:0;color:#4d525a;font-size:17px;max-width:920px}.page-content{padding:48px 0}.content-grid{display:grid;gap:18px}.page-card{padding:22px}.page-card h2{font-size:23px;margin:0 0 12px}.point-grid{display:grid;gap:14px;margin:18px 0}.point{background:#f8f8f9;border:1px solid var(--line);border-radius:16px;padding:16px}.point strong{display:block;color:#111;margin-bottom:6px}.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.related-links a{border:1px solid rgba(213,5,5,.18);color:var(--brand);border-radius:999px;padding:9px 14px;font-weight:700;background:#fff}.steps{counter-reset:step;display:grid;gap:14px;margin:22px 0}.step{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 18px 18px 58px;position:relative}.step:before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;background:var(--brand);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800}.site-footer{background:#161616;color:#fff;padding:42px 0 24px}.footer-grid{display:grid;gap:24px}.footer-logo{height:46px;width:auto;margin-bottom:12px}.footer-brand p,.footer-notice p{color:#c8c8c8;margin:0}.footer-links{display:grid;gap:8px}.footer-links h3{margin:0 0 8px;color:#fff}.footer-links a{color:#d8d8d8}.footer-links a:hover{color:#fff}.footer-notice{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:20px;display:grid;gap:10px;font-size:14px}
@media (min-width:640px){.category-sub-grid,.help-grid,.data-cards,.point-grid{grid-template-columns:repeat(2,1fr)}.focus-grid{grid-template-columns:repeat(2,1fr)}.mobile-nav.open{grid-template-columns:repeat(4,1fr)}}
@media (min-width:900px){.mobile-header,.mobile-nav{display:none}.desktop-topbar{display:block;background:var(--brand-deep);color:#fff;font-size:14px}.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}.desktop-header{display:block;background:#fff;border-bottom:1px solid var(--line)}.desktop-inner{height:78px;display:flex;align-items:center;gap:30px}.desktop-nav{display:flex;align-items:center;gap:22px;flex:1;justify-content:center}.desktop-nav a{font-weight:750;color:#2d3035;position:relative;padding:26px 0}.desktop-nav a.active,.desktop-nav a:hover{color:var(--brand)}.desktop-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;background:var(--brand);border-radius:5px}.desktop-actions{display:flex;align-items:center;gap:18px}.official-hero{padding:70px 0 62px}.hero-grid{grid-template-columns:1.05fr .95fr}.hero-copy h1{font-size:52px}.hero-copy p{font-size:18px}.section{padding:78px 0}.section-title{font-size:36px}.category-main-grid{grid-template-columns:repeat(4,1fr)}.category-main-card:nth-child(1),.category-main-card:nth-child(4){transform:translateY(18px)}.category-sub-grid{grid-template-columns:repeat(4,1fr)}.info-split{grid-template-columns:1fr 1fr}.showcase{grid-template-columns:1fr 1fr}.showcase.reverse .showcase-copy{order:2}.score-grid{grid-template-columns:.95fr 1.05fr}.app-card{grid-template-columns:1fr .9fr;padding:34px}.help-grid{grid-template-columns:repeat(3,1fr)}.content-grid{grid-template-columns:1fr 1fr}.content-grid.single{grid-template-columns:1fr}.page-hero{padding:70px 0}.page-hero h1{font-size:46px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
@media (min-width:1120px){.focus-grid{grid-template-columns:repeat(4,1fr)}}