:root {
    --page-bg: #050505;
    --section-bg: #0B0B0D;
    --card-bg: #111111;
    --header-bg: #0F0F10;
    --footer-bg: #090909;
    --red: #D50505;
    --red-hover: #B90404;
    --red-light: #FF2A2A;
    --white: #FFFFFF;
    --text: #D6D6D6;
    --muted: #A8A8A8;
    --border: rgba(255,255,255,0.08);
    --red-border: rgba(213,5,5,0.32);
    --overlay: rgba(0,0,0,0.65);
    --radius: 22px;
}
* { 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;
    background: var(--page-bg);
    color: var(--text);
    line-height: 1.75;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.dark-header, .site-header {
    background: linear-gradient(180deg, #151515 0%, #080808 100%);
    border-bottom: 1px solid rgba(213,5,5,0.28);
    box-shadow: 0 12px 28px rgba(0,0,0,0.38);
    position: sticky;
    top: 0;
    z-index: 60;
}
.mobile-header {
    height: 64px;
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
}
.desktop-header { display: none; }
.menu-button {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #111;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-button span {
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: var(--white);
}
.mobile-logo, .desktop-logo, .drawer-logo { display: inline-flex; align-items: center; }
.mobile-logo { justify-self: center; }
.mobile-logo img { height: 38px; width: auto; }
.desktop-logo img { height: 46px; width: auto; }
.drawer-logo img { height: 42px; width: auto; }
.top-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    background: var(--red);
    color: var(--white);
    font-weight: 800;
    white-space: nowrap;
    box-shadow: 0 0 22px rgba(213,5,5,0.28);
    transition: background .2s ease, transform .2s ease;
}
.top-action:hover { background: var(--red-hover); transform: translateY(-1px); }
.mobile-drawer {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(84vw, 320px);
    transform: translateX(-104%);
    transition: transform .28s ease;
    background: #0F0F10;
    border-right: 1px solid var(--red-border);
    z-index: 80;
    padding: 18px;
    overflow-y: auto;
    box-shadow: 30px 0 70px rgba(0,0,0,0.55);
}
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
    z-index: 70;
}
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open { overflow: hidden; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.drawer-close {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #151515;
    color: var(--white);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}
.drawer-nav { display: grid; gap: 8px; }
.drawer-nav a {
    padding: 13px 14px;
    border-radius: 14px;
    color: var(--white);
    border: 1px solid transparent;
    background: rgba(255,255,255,0.03);
    font-weight: 700;
}
.drawer-nav a.is-active,
.drawer-nav a:hover { color: var(--red-light); border-color: var(--red-border); background: rgba(213,5,5,0.10); }
.drawer-note { margin-top: 18px; padding: 16px; border-radius: 18px; background: #111; border: 1px solid var(--border); }
.drawer-note strong { color: var(--red-light); }
.drawer-note p { margin: 6px 0 0; color: var(--text); font-size: 14px; }
section, .section { padding: 58px 0; }
.section-dark { background: var(--section-bg); }
.hero-section {
    padding: 68px 0 58px;
    background: radial-gradient(circle at 84% 18%, rgba(213,5,5,0.22), transparent 34%), linear-gradient(135deg, #050505 0%, #111111 55%, #1A0000 100%);
    overflow: hidden;
}
.hero-grid, .split { display: grid; gap: 28px; align-items: center; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(213,5,5,0.12);
    color: #FF4A4A;
    border: 1px solid var(--red-border);
    font-size: 14px;
    font-weight: 800;
}
h1, h2, h3 { margin: 0; color: var(--white); line-height: 1.25; }
h1 { font-size: clamp(34px, 8vw, 64px); letter-spacing: -1.4px; margin-top: 16px; }
h2 { font-size: clamp(26px, 5vw, 42px); letter-spacing: -0.8px; }
h3 { font-size: 20px; }
.red-text { color: var(--red-light); }
.lead { color: var(--text); font-size: 17px; margin: 18px 0 0; }
p { margin: 12px 0 0; color: var(--text); }
.muted { color: var(--muted); }
.hero-actions, .link-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 24px; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 24px;
    border-radius: 999px;
    background: var(--red);
    color: var(--white);
    font-weight: 900;
    box-shadow: 0 14px 36px rgba(213,5,5,0.28);
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { background: var(--red-hover); transform: translateY(-2px); box-shadow: 0 18px 46px rgba(213,5,5,0.34); }
.ghost-link {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--red-border);
    color: var(--white);
    background: rgba(255,255,255,0.03);
    font-weight: 800;
}
.ghost-link:hover { border-color: rgba(255,42,42,0.62); color: var(--red-light); }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tag {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--red-border);
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
}
.hero-visual { position: relative; }
.visual-card {
    border-radius: 28px;
    padding: 10px;
    background: linear-gradient(135deg, rgba(213,5,5,0.35), rgba(255,255,255,0.08));
    border: 1px solid var(--red-border);
    box-shadow: 0 0 60px rgba(213,5,5,0.18);
}
.visual-card img { border-radius: 22px; width: 100%; min-height: 250px; object-fit: cover; }
.float-panel {
    position: relative;
    margin: -42px 16px 0;
    padding: 16px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: rgba(17,17,17,0.92);
    backdrop-filter: blur(8px);
    box-shadow: 0 18px 48px rgba(0,0,0,0.36);
}
.float-panel strong { display: block; color: var(--red-light); }
.float-panel span { color: var(--muted); font-size: 14px; }
.section-head { display: grid; gap: 12px; margin-bottom: 24px; }
.section-head.center { text-align: center; max-width: 780px; margin-left: auto; margin-right: auto; }
.category-grid { display: grid; gap: 16px; }
.card, .feature-card, .match-card, .data-card, .faq-item, .notice-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: 0 14px 32px rgba(0,0,0,0.22);
}
.card:hover, .feature-card:hover, .match-card:hover, .data-card:hover {
    border-color: var(--red-border);
    box-shadow: 0 18px 46px rgba(213,5,5,0.12);
}
.card h3, .feature-card h3, .match-card h3, .data-card h3 { color: var(--white); margin-bottom: 8px; }
.card p, .feature-card p, .match-card p, .data-card p { font-size: 15px; color: var(--text); }
.text-link {
    display: inline-flex;
    margin-top: 16px;
    color: var(--red-light);
    font-weight: 850;
}
.text-link:hover { color: var(--white); }
.status-tag {
    display: inline-flex;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(213,5,5,0.13);
    color: #FF4A4A;
    border: 1px solid var(--red-border);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 10px;
}
.match-grid, .data-grid, .security-grid, .info-grid, .faq-grid, .page-grid { display: grid; gap: 16px; }
.image-frame {
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #111;
    box-shadow: 0 18px 60px rgba(0,0,0,0.32);
}
.image-frame img { width: 100%; height: 100%; min-height: 250px; object-fit: cover; }
.bullet-list { display: grid; gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
.bullet-list li {
    padding: 14px 14px 14px 42px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    position: relative;
    color: var(--text);
}
.bullet-list li::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 22px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--red-light);
    box-shadow: 0 0 16px rgba(255,42,42,0.5);
}
.score-panel { border-radius: 28px; border: 1px solid var(--border); background: linear-gradient(180deg, #111, #0A0A0A); padding: 18px; }
.score-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}
.score-row:last-child { border-bottom: 0; }
.score { color: var(--red-light); font-size: 24px; font-weight: 900; }
.team { color: var(--white); font-weight: 800; }
.cta-band {
    padding: 44px 24px;
    border-radius: 30px;
    background: radial-gradient(circle at 88% 20%, rgba(213,5,5,0.28), transparent 32%), linear-gradient(135deg, #111 0%, #0A0A0A 55%, #1A0000 100%);
    border: 1px solid var(--red-border);
    text-align: center;
}
.inner-hero {
    padding: 56px 0;
    background: radial-gradient(circle at 80% 0%, rgba(213,5,5,0.20), transparent 32%), linear-gradient(135deg, #050505, #111 70%, #170000);
    border-bottom: 1px solid var(--border);
}
.inner-hero .container { display: grid; gap: 14px; }
.inner-hero h1 { font-size: clamp(32px, 7vw, 54px); }
.page-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.steps { counter-reset: step; display: grid; gap: 14px; margin-top: 20px; }
.step-item {
    counter-increment: step;
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
    align-items: start;
    padding: 18px;
    border-radius: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
}
.step-item::before {
    content: counter(step);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--red);
    color: var(--white);
    font-weight: 900;
}
.faq-list { display: grid; gap: 14px; }
.faq-item h3 { color: var(--red-light); }
.notice-box { border-color: var(--red-border); background: linear-gradient(135deg, rgba(213,5,5,0.12), rgba(255,255,255,0.03)); }
.notice-box h2, .notice-box h3 { color: var(--red-light); }
.site-footer {
    background: var(--footer-bg);
    border-top: 1px solid rgba(213,5,5,0.25);
    padding: 44px 0 24px;
}
.footer-grid { display: grid; gap: 24px; }
.footer-brand img { height: 46px; width: auto; margin-bottom: 12px; }
.footer-brand p { color: var(--muted); font-size: 14px; }
.footer-links { display: grid; gap: 8px; align-content: start; }
.footer-links h3 { color: var(--white); font-size: 17px; margin-bottom: 4px; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--red-light); }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 28px; padding-top: 18px; }
.footer-bottom p { color: var(--muted); font-size: 13px; margin: 0; }
@media (min-width: 680px) {
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .match-grid, .data-grid, .security-grid, .info-grid, .faq-grid, .page-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.5fr repeat(3, 1fr); }
}
@media (min-width: 980px) {
    .mobile-header { display: none; }
    .desktop-header { height: 78px; display: flex; align-items: center; gap: 26px; }
    .desktop-nav { display: flex; align-items: center; justify-content: center; gap: 4px; flex: 1; }
    .desktop-nav a {
        color: var(--text);
        padding: 10px 12px;
        border-radius: 999px;
        font-weight: 750;
        font-size: 15px;
        border: 1px solid transparent;
    }
    .desktop-nav a.is-active,
    .desktop-nav a:hover { color: var(--red-light); border-color: var(--red-border); background: rgba(213,5,5,0.10); }
    .desktop-action { margin-left: auto; }
    .hero-grid, .split { grid-template-columns: 1.05fr .95fr; gap: 44px; }
    .split.reverse { grid-template-columns: .95fr 1.05fr; }
    .category-grid { grid-template-columns: repeat(4, 1fr); }
    .category-grid .large { grid-column: span 2; }
    .match-grid { grid-template-columns: repeat(4, 1fr); }
    .data-grid, .security-grid { grid-template-columns: repeat(3, 1fr); }
    .info-grid, .faq-grid { grid-template-columns: repeat(2, 1fr); }
    .page-grid.three { grid-template-columns: repeat(3, 1fr); }
    section, .section { padding: 76px 0; }
    .inner-hero { padding: 76px 0; }
}
@media (max-width: 380px) {
    .top-action { padding: 0 12px; min-height: 36px; font-size: 14px; }
    .mobile-logo img { height: 32px; }
    .mobile-header { grid-template-columns: 44px 1fr auto; padding: 0 10px; }
}
