:root {
    --brand: rgb(213, 5, 5);
    --brand-dark: rgb(176, 0, 0);
    --text: #1f1f1f;
    --muted: #666;
    --light: #f6f6f6;
    --line: #e8e8e8;
    --card: #ffffff;
    --dark: #111111;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.72;
    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: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 8px 24px rgba(0,0,0,.04); }
.mobile-top { height: 62px; display: grid; grid-template-columns: 72px 1fr 82px; align-items: center; padding: 0 14px; background: #fff; }
.menu-toggle { width: 42px; height: 42px; border: 0; background: transparent; display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; padding: 0 8px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; width: 24px; background: #202020; border-radius: 99px; transition: transform .2s ease, opacity .2s ease; }
.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; display: inline-flex; align-items: center; }
.mobile-logo img { max-height: 36px; width: auto; }
.top-action { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 0 18px; color: #fff; background: var(--brand); border-radius: 999px; font-weight: 700; box-shadow: 0 8px 18px rgba(213,5,5,.18); white-space: nowrap; }
.top-action:hover, .main-btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
.desktop-header { display: none; }
.mobile-nav { display: none; background: #fff; border-top: 1px solid var(--line); padding: 8px 16px 16px; }
.mobile-nav.open { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mobile-nav a { padding: 10px 12px; border-radius: 12px; background: #f7f7f7; color: #333; font-weight: 600; }
.mobile-nav a.active { color: var(--brand); background: rgba(213,5,5,.08); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 26px; border-radius: 999px; background: var(--brand); color: #fff; font-weight: 800; box-shadow: 0 10px 24px rgba(213,5,5,.22); transition: .2s ease; }
.section { padding: 56px 0; }
.section.alt { background: var(--light); }
.section-title { margin-bottom: 28px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 800; letter-spacing: .03em; margin: 0 0 10px; }
.eyebrow:before { content: ""; width: 28px; height: 3px; border-radius: 99px; background: var(--brand); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 14px; color: var(--dark); }
h1 { font-size: clamp(30px, 7vw, 56px); letter-spacing: -.04em; }
h2 { font-size: clamp(24px, 4.2vw, 38px); letter-spacing: -.03em; }
h3 { font-size: 19px; }
p { margin: 0 0 14px; color: #4a4a4a; }
.lead { font-size: 17px; color: #3d3d3d; }
.hero { background: linear-gradient(180deg, #fff 0%, #f7f7f7 100%); padding: 42px 0 56px; }
.hero-wrap { display: grid; gap: 28px; align-items: center; }
.hero-copy { display: grid; gap: 16px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags span { padding: 7px 12px; border: 1px solid rgba(213,5,5,.22); color: var(--brand); border-radius: 999px; background: #fff; font-weight: 700; font-size: 14px; }
.hero-media { position: relative; border-radius: 28px; overflow: hidden; background: #fff; box-shadow: 0 24px 50px rgba(0,0,0,.10); }
.hero-media img { width: 100%; min-height: 260px; object-fit: cover; }
.hero-panel { position: absolute; left: 16px; right: 16px; bottom: 16px; background: rgba(255,255,255,.92); border: 1px solid rgba(255,255,255,.8); border-radius: 18px; padding: 14px; backdrop-filter: blur(6px); display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hero-panel strong { display:block; color: var(--brand); font-size: 20px; }
.hero-panel span { font-size: 13px; color: #555; }
.grid { display: grid; gap: 16px; }
.category-grid { grid-template-columns: 1fr; }
.card, .sports-card, .service-card, .faq-item, .info-box, .score-card, .data-card, .notice-box, .step-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 22px; box-shadow: 0 12px 30px rgba(0,0,0,.04); }
.card-link { display: inline-flex; margin-top: 8px; color: var(--brand); font-weight: 800; }
.card-link:after { content: "›"; margin-left: 6px; }
.label { display: inline-flex; padding: 4px 10px; border-radius: 999px; color: var(--brand); background: rgba(213,5,5,.08); font-weight: 800; font-size: 13px; margin-bottom: 10px; }
.service-grid { grid-template-columns: 1fr; }
.split { display: grid; gap: 28px; align-items: center; }
.split-media { border-radius: 26px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,.08); background: #fff; }
.split-media img { width: 100%; object-fit: cover; }
.point-list { display: grid; gap: 12px; margin-top: 18px; }
.point { padding: 16px; border-radius: 16px; border: 1px solid var(--line); background: #fff; }
.point strong { display: block; margin-bottom: 4px; color: #171717; }
.point span { color: #555; font-size: 14px; }
.score-panel, .data-panel { display: grid; gap: 14px; margin-top: 20px; }
.score-card { padding: 18px; }
.score-card .status { display: inline-flex; color: #fff; background: var(--brand); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.score-line { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; font-weight: 800; }
.score-line span:nth-child(2) { color: var(--brand); font-size: 22px; }
.app-showcase { background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 24px; box-shadow: 0 20px 44px rgba(0,0,0,.06); }
.app-showcase img { border-radius: 22px; margin-top: 18px; }
.dual-list { display: grid; gap: 18px; }
.security-grid { grid-template-columns: 1fr; }
.responsible-box { border-radius: 26px; padding: 28px; background: linear-gradient(135deg, rgba(213,5,5,.10), rgba(255,255,255,1)); border: 1px solid rgba(213,5,5,.18); }
.faq-list { display: grid; gap: 14px; }
.faq-item h3 { font-size: 17px; }
.cta { background: var(--brand); color: #fff; border-radius: 28px; padding: 32px; display: grid; gap: 18px; align-items: center; }
.cta h2, .cta p { color: #fff; }
.cta .main-btn { background: #fff; color: var(--brand); box-shadow: none; }
.page-hero { padding: 46px 0; background: linear-gradient(180deg,#fff 0%,#f7f7f7 100%); border-bottom: 1px solid var(--line); }
.page-hero .lead { max-width: 840px; }
.content-layout { display: grid; gap: 22px; }
.content-panel { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 24px; }
.item-grid { display: grid; gap: 16px; }
ul.clean { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
ul.clean li { padding-left: 18px; position: relative; color: #4b4b4b; }
ul.clean li:before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); position: absolute; left: 0; top: 12px; }
.steps { display: grid; gap: 14px; counter-reset: step; }
.step-card { position: relative; padding-left: 56px; }
.step-card:before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 22px; width: 26px; height: 26px; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 800; }
.related-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.related-links a { border: 1px solid var(--line); background: #fff; color: #333; padding: 9px 14px; border-radius: 999px; font-weight: 700; }
.related-links a:hover { color: var(--brand); border-color: rgba(213,5,5,.35); }
.table-like { display: grid; gap: 12px; }
.table-row { display: grid; gap: 8px; border: 1px solid var(--line); border-radius: 16px; padding: 16px; background: #fff; }
.table-row strong { color: #111; }
.site-footer { background: #161616; color: #fff; padding: 42px 0 20px; }
.site-footer p, .site-footer a, .site-footer span { color: #d8d8d8; }
.footer-grid { display: grid; gap: 26px; }
.footer-logo img { max-height: 40px; width: auto; margin-bottom: 14px; }
.site-footer h3 { color: #fff; font-size: 16px; }
.site-footer a { display: block; margin: 8px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 18px; display: grid; gap: 8px; font-size: 13px; }
@media (min-width: 640px) {
    .category-grid, .service-grid, .security-grid, .item-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .score-panel, .data-panel { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .dual-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 920px) {
    .mobile-top, .mobile-nav { display: none !important; }
    .desktop-header { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand img { max-height: 44px; width: auto; }
    .desktop-nav { display: flex; align-items: center; gap: 22px; flex: 1; justify-content: center; }
    .desktop-nav a { font-weight: 700; color: #333; position: relative; padding: 26px 0; white-space: nowrap; }
    .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; border-radius: 999px; background: var(--brand); }
    .header-tools { display: flex; align-items: center; gap: 18px; }
    .search-icon { width: 21px; height: 21px; border: 2px solid #2d2d2d; border-radius: 50%; position: relative; display: inline-block; }
    .search-icon:after { content: ""; width: 9px; height: 2px; background: #2d2d2d; position: absolute; right: -7px; bottom: -3px; transform: rotate(45deg); border-radius: 99px; }
    .hero { padding: 70px 0 78px; }
    .hero-wrap { grid-template-columns: 1.02fr .98fr; gap: 48px; }
    .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .split { grid-template-columns: 1fr 1fr; gap: 52px; }
    .split.reverse .split-media { order: 2; }
    .security-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .content-layout { grid-template-columns: 1.1fr .9fr; align-items: start; }
    .item-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .cta { grid-template-columns: 1fr auto; padding: 38px 46px; }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; }
}
@media (max-width: 360px) {
    .mobile-top { grid-template-columns: 56px 1fr 76px; padding: 0 10px; }
    .top-action { padding: 0 14px; }
    .hero-panel { grid-template-columns: 1fr; }
}