* {
    box-sizing: border-box;
}

:root {
    --bg: #080808;
    --deep: #101010;
    --deep-red: #151010;
    --card: #141414;
    --red: #FF3B3B;
    --red-soft: #FF4A4A;
    --text: #F6F6F6;
    --muted: #C8C8C8;
    --subtle: #999999;
    --line: rgba(255,59,59,0.18);
    --shadow: 0 18px 42px rgba(0,0,0,0.46);
    --glow: 0 0 24px rgba(255,59,59,0.26);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 18% 0%, rgba(255,59,59,0.16), transparent 30%),
        radial-gradient(circle at 78% 16%, rgba(143,0,0,0.18), transparent 32%),
        var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(8,8,8,0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,59,59,0.16);
    box-shadow: 0 12px 32px rgba(0,0,0,0.34);
}

.topbar {
    max-width: 1220px;
    margin: 0 auto;
    min-height: 70px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.logo-text {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    font-size: 30px;
    font-weight: 900;
    letter-spacing: 2px;
    color: #FFFFFF;
    background: linear-gradient(180deg, #FFFFFF 0%, #FF4A4A 45%, #C40000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 12px rgba(255,35,35,0.58), 0 0 30px rgba(196,0,0,0.42);
    white-space: nowrap;
}

.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    flex-wrap: nowrap;
    flex: 1 1 auto;
    min-width: 0;
}

.nav-core a {
    color: #F6F6F6;
    padding: 9px 11px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    transition: all .22s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: #FF3B3B;
    background: rgba(255,59,59,0.10);
    box-shadow: 0 0 18px rgba(255,59,59,0.16);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 22px;
    background: linear-gradient(180deg, #FF5A5A 0%, #D60000 55%, #8F0000 100%);
    color: #FFFFFF;
    border-radius: 999px;
    font-weight: 900;
    letter-spacing: 1px;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 12px 28px rgba(255,59,59,0.24);
    transition: transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}

.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(255,59,59,0.32);
}

.header-register {
    flex: 0 0 auto;
}

.channel-nav {
    background: rgba(16,16,16,0.94);
    border-top: 1px solid rgba(255,59,59,0.10);
    border-bottom: 1px solid rgba(255,59,59,0.12);
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,59,59,0.35) transparent;
}

.channel-inner {
    max-width: 1220px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    padding: 10px 22px;
}

.channel-nav a {
    color: #C8C8C8;
    border: 1px solid rgba(255,59,59,0.14);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 700;
    transition: all .2s ease;
}

.channel-nav a:hover,
.channel-nav a.active {
    color: #FF3B3B;
    border-color: rgba(255,59,59,0.45);
    background: rgba(255,59,59,0.08);
    box-shadow: var(--glow);
}

.site-main {
    max-width: 1220px;
    margin: 0 auto;
    padding: 135px 22px 52px;
}

.hero-banner {
    background:
        linear-gradient(135deg, rgba(255,59,59,0.16), rgba(0,0,0,0.12)),
        linear-gradient(180deg, #151010, #101010);
    border: 1px solid rgba(255,59,59,0.20);
    border-radius: 28px;
    padding: 34px;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr);
    gap: 30px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::after {
    content: "";
    position: absolute;
    inset: auto -90px -120px auto;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(255,59,59,0.18);
    filter: blur(36px);
    pointer-events: none;
}

.hero-kicker,
.section-kicker,
.card-kicker {
    color: #FF4A4A;
    font-weight: 900;
    letter-spacing: 2px;
    font-size: 13px;
    text-transform: uppercase;
}

.hero-banner h1,
.page-hero h1 {
    margin: 12px 0 16px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.12;
    color: #FF3B3B;
    text-shadow: 0 0 20px rgba(255,59,59,0.24);
}

.hero-banner p,
.page-hero p,
.section-head p,
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-item p,
.notice-panel p,
.footer-wrap p,
.text-panel p {
    color: #C8C8C8;
    margin: 0;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.text-link {
    color: #FF4A4A;
    font-weight: 800;
}

.hero-image,
.page-hero-image {
    background: rgba(0,0,0,0.22);
    border: 1px solid rgba(255,59,59,0.14);
    border-radius: 22px;
    padding: 12px;
}

.hero-banner img {
    width: 100%;
    max-height: 380px;
    object-fit: contain;
    border-radius: 18px;
}

.section {
    margin-top: 34px;
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

h1,
h2,
h3,
.section-title {
    color: #FF3B3B;
    text-shadow: 0 0 20px rgba(255,59,59,0.20);
}

.section-title {
    margin: 5px 0 0;
    font-size: clamp(24px, 3vw, 38px);
    line-height: 1.2;
}

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-panel,
.text-panel,
.contact-box {
    background: #141414;
    border: 1px solid rgba(255,59,59,0.18);
    box-shadow: 0 18px 42px rgba(0,0,0,0.46);
    border-radius: 18px;
}

.card,
.info-card,
.review-card,
.faq-item,
.notice-panel,
.text-panel,
.contact-box {
    padding: 22px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.summary-grid .card h3,
.quick-grid .card h3,
.card h3,
.zone-card h3,
.info-card h3,
.review-card h3,
.faq-item h3,
.contact-box h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.quick-grid .card {
    min-height: 168px;
}

.quick-grid .text-link {
    display: inline-block;
    margin-top: 14px;
}

.split-panel {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 22px;
    align-items: center;
}

.split-panel.reverse {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
}

.zone-card {
    overflow: hidden;
}

.zone-card img,
.info-card img,
.content-img {
    width: 100%;
    height: auto;
    max-height: 260px;
    object-fit: contain;
}

.zone-card .zone-img {
    background: #101010;
    padding: 12px;
    border-bottom: 1px solid rgba(255,59,59,0.12);
}

.zone-card .zone-body {
    padding: 20px;
}

.bullet-list {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    display: grid;
    gap: 12px;
}

.bullet-list li {
    color: #C8C8C8;
    padding-left: 20px;
    position: relative;
}

.bullet-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .75em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #FF4A4A;
    box-shadow: 0 0 12px rgba(255,59,59,.45);
}

.page-hero {
    background:
        linear-gradient(135deg, rgba(255,59,59,0.13), rgba(21,16,16,0.92)),
        #101010;
    border: 1px solid rgba(255,59,59,0.20);
    border-radius: 26px;
    padding: 32px;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
    gap: 28px;
    align-items: center;
}

.page-hero img {
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    border-radius: 18px;
}

.small-hero {
    grid-template-columns: 1fr;
}

.notice-panel {
    background:
        linear-gradient(135deg, rgba(255,59,59,0.10), rgba(0,0,0,0.08)),
        #141414;
}

.notice-panel strong {
    color: #FF4A4A;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item h3 {
    color: #F6F6F6;
}

.meta-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.meta-strip span {
    border: 1px solid rgba(255,59,59,0.20);
    background: rgba(255,59,59,0.08);
    color: #FF4A4A;
    border-radius: 999px;
    padding: 8px 12px;
    font-weight: 800;
    font-size: 13px;
}

.contact-box .contact-value {
    color: #F6F6F6;
    font-size: 18px;
    font-weight: 900;
}

.site-footer {
    background: #050505;
    color: #C8C8C8;
    border-top: 1px solid rgba(255,59,59,0.16);
    padding: 40px 22px 26px;
}

.footer-wrap {
    max-width: 1220px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr .7fr .7fr 1fr;
    gap: 24px;
}

.footer-logo {
    font-size: 28px;
    margin-bottom: 12px;
}

.footer-links h3,
.footer-note h3 {
    margin: 0 0 10px;
    color: #F6F6F6;
}

.footer-links a {
    display: block;
    color: #C8C8C8;
    margin: 7px 0;
}

.footer-links a:hover {
    color: #FF4A4A;
}

.footer-bottom {
    max-width: 1220px;
    margin: 28px auto 0;
    padding-top: 18px;
    border-top: 1px solid rgba(255,59,59,0.12);
    display: flex;
    justify-content: space-between;
    gap: 14px;
    color: #999999;
    font-size: 14px;
}

.mobile-menu-btn,
.mobile-bottom-nav,
.mobile-drawer,
.drawer-mask {
    display: none;
}

@media (max-width: 980px) {
    .nav-core {
        gap: 3px;
    }
    .nav-core a {
        padding: 8px 8px;
        font-size: 14px;
    }
    .hero-banner,
    .page-hero,
    .split-panel,
    .split-panel.reverse {
        grid-template-columns: 1fr;
    }
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .footer-wrap {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    body {
        padding-bottom: 74px;
    }
    body.drawer-open {
        overflow: hidden;
    }
    .site-header {
        border-bottom-color: rgba(255,59,59,0.18);
    }
    .topbar {
        min-height: 64px;
        padding: 0 14px;
        display: grid;
        grid-template-columns: 44px minmax(0, 1fr) auto;
        gap: 8px;
    }
    .mobile-menu-btn {
        display: inline-flex;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        border: 1px solid rgba(255,59,59,0.24);
        background: rgba(255,59,59,0.08);
        border-radius: 12px;
    }
    .mobile-menu-btn span {
        width: 19px;
        height: 2px;
        background: #F6F6F6;
        border-radius: 10px;
    }
    .logo-text {
        font-size: 24px;
        justify-self: center;
    }
    .nav-core,
    .channel-nav {
        display: none;
    }
    .header-register {
        min-height: 38px;
        padding: 0 15px;
        font-size: 14px;
    }
    .site-main {
        padding: 84px 14px 34px;
    }
    .hero-banner,
    .page-hero {
        padding: 22px;
        border-radius: 22px;
    }
    .hero-banner h1,
    .page-hero h1 {
        font-size: 32px;
    }
    .hero-banner img,
    .page-hero img {
        max-height: 240px;
    }
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .section-head {
        display: block;
    }
    .card,
    .info-card,
    .review-card,
    .faq-item,
    .notice-panel,
    .text-panel,
    .contact-box {
        padding: 18px;
    }
    .zone-card img,
    .info-card img,
    .content-img {
        max-height: 210px;
    }
    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.62);
        z-index: 1100;
        opacity: 0;
        pointer-events: none;
        transition: opacity .22s ease;
    }
    .mobile-drawer {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1110;
        width: 84vw;
        max-width: 320px;
        height: 100vh;
        background: #101010;
        border-right: 1px solid rgba(255,59,59,0.20);
        box-shadow: 16px 0 48px rgba(0,0,0,0.42);
        transform: translateX(-104%);
        transition: transform .25s ease;
        flex-direction: column;
    }
    .drawer-open .drawer-mask {
        opacity: 1;
        pointer-events: auto;
    }
    .drawer-open .mobile-drawer {
        transform: translateX(0);
    }
    .drawer-head {
        min-height: 66px;
        padding: 0 16px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid rgba(255,59,59,0.15);
    }
    .drawer-logo {
        font-size: 25px;
    }
    .drawer-close {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        border: 1px solid rgba(255,59,59,0.25);
        background: rgba(255,59,59,0.08);
        color: #F6F6F6;
        font-size: 25px;
        line-height: 1;
    }
    .drawer-links {
        padding: 14px;
        display: grid;
        gap: 8px;
        overflow-y: auto;
    }
    .drawer-links a {
        padding: 12px 14px;
        border-radius: 14px;
        color: #F6F6F6;
        background: rgba(255,255,255,0.03);
        border: 1px solid rgba(255,59,59,0.10);
        font-weight: 800;
    }
    .drawer-links a.active {
        color: #FF3B3B;
        background: rgba(255,59,59,0.10);
        border-color: rgba(255,59,59,0.32);
    }
    .mobile-bottom-nav {
        position: fixed;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
        background: rgba(8,8,8,0.96);
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255,59,59,0.20);
        padding: 9px 8px calc(9px + env(safe-area-inset-bottom));
    }
    .mobile-bottom-nav a {
        text-align: center;
        color: #C8C8C8;
        font-size: 13px;
        font-weight: 900;
        padding: 7px 2px;
        border-radius: 12px;
    }
    .mobile-bottom-nav a:hover {
        color: #FF3B3B;
        background: rgba(255,59,59,0.08);
    }
    .footer-wrap {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        display: grid;
    }
}

@media (max-width: 420px) {
    .logo-text {
        font-size: 22px;
        letter-spacing: 1px;
    }
    .header-register {
        padding: 0 12px;
    }
    .hero-actions {
        align-items: stretch;
    }
    .hero-actions .main-btn {
        width: 100%;
    }
}