* {
    box-sizing: border-box;
}

:root {
    --bg: #080808;
    --deep: #101010;
    --deep-red: #151010;
    --card: #141414;
    --text: #F6F6F6;
    --muted: #C8C8C8;
    --soft: #999999;
    --red: #FF3B3B;
    --red2: #FF4A4A;
    --border: 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% 5%, rgba(255,59,59,0.14), transparent 34%),
        radial-gradient(circle at 78% 18%, rgba(143,0,0,0.22), transparent 32%),
        var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.72;
    overflow-x: hidden;
}

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

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

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

.topbar {
    max-width: 1220px;
    margin: 0 auto;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0 20px;
}

.logo-text {
    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 {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    white-space: nowrap;
    flex-wrap: nowrap;
}

.nav-core a {
    color: #F6F6F6;
    padding: 9px 11px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    transition: .2s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: var(--red);
    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;
    background: linear-gradient(180deg, #FF5A5A 0%, #D60000 55%, #8F0000 100%);
    color: #FFFFFF;
    border-radius: 999px;
    box-shadow: 0 12px 28px rgba(255,59,59,0.24);
    font-weight: 800;
    letter-spacing: 1px;
    padding: 11px 22px;
    border: 1px solid rgba(255,255,255,0.12);
    transition: transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}

.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(255,59,59,0.34);
}

.ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,59,59,0.35);
    color: var(--red2);
    border-radius: 999px;
    font-weight: 800;
    padding: 10px 20px;
    background: rgba(255,59,59,0.06);
}

.text-link {
    color: var(--red2);
    font-weight: 800;
}

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

.channel-nav {
    background: rgba(16,16,16,0.94);
    border-top: 1px solid rgba(255,59,59,0.06);
    border-bottom: 1px solid rgba(255,59,59,0.12);
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: thin;
}

.channel-scroll {
    max-width: 1220px;
    margin: 0 auto;
    padding: 9px 20px;
    display: flex;
    gap: 9px;
}

.channel-nav a {
    color: var(--muted);
    border: 1px solid rgba(255,59,59,0.14);
    border-radius: 999px;
    padding: 6px 13px;
    font-size: 14px;
    background: rgba(255,255,255,0.02);
    transition: .2s ease;
}

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

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255,59,59,0.28);
    border-radius: 12px;
    background: rgba(255,59,59,0.08);
    padding: 9px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: #fff;
    border-radius: 5px;
}

.site-main {
    padding-top: 119px;
    min-height: 60vh;
}

.container,
.hero-banner,
.page-hero,
.section,
.split-section,
.notice-section {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.hero-banner {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
    gap: 34px;
    align-items: center;
    padding: 52px 0 36px;
}

.hero-copy,
.page-hero,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-box,
.quick-card {
    background: linear-gradient(180deg, rgba(21,16,16,0.96), rgba(12,12,12,0.96));
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 18px;
}

.hero-copy {
    padding: 38px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    color: var(--red2);
    background: rgba(255,59,59,0.10);
    border: 1px solid rgba(255,59,59,0.2);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 16px;
}

h1,
h2,
h3,
.section-title {
    color: var(--red);
    text-shadow: 0 0 20px rgba(255,59,59,0.20);
    line-height: 1.22;
    margin-top: 0;
}

h1 {
    font-size: clamp(32px, 4.5vw, 58px);
    margin-bottom: 18px;
}

h2 {
    font-size: clamp(25px, 3vw, 38px);
    margin-bottom: 12px;
}

h3 {
    font-size: 21px;
    margin-bottom: 10px;
}

p {
    color: var(--muted);
    margin: 0 0 14px;
}

.hero-actions,
.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.hero-media,
.image-frame {
    background: #101010;
    border: 1px solid rgba(255,59,59,0.18);
    border-radius: 24px;
    padding: 14px;
    box-shadow: var(--shadow);
}

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

.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, .8fr);
    gap: 32px;
    align-items: center;
    padding: 36px;
    margin-top: 36px;
    margin-bottom: 34px;
}

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

.section {
    padding: 36px 0;
}

.section-head {
    max-width: 800px;
    margin-bottom: 22px;
}

.grid-2,
.grid-3,
.grid-4,
.quick-grid {
    display: grid;
    gap: 18px;
}

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

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

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

.quick-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

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

.card .num {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    background: rgba(255,59,59,0.15);
    border: 1px solid rgba(255,59,59,0.32);
    font-weight: 900;
    margin-bottom: 12px;
}

.zone-card {
    overflow: hidden;
}

.zone-card img,
.info-card img,
.content-img {
    width: 100%;
    height: 190px;
    max-height: 220px;
    object-fit: contain;
    background: #0e0e0e;
    border-bottom: 1px solid rgba(255,59,59,0.12);
}

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

.split-section {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 24px;
    align-items: center;
    padding: 36px 0;
}

.split-section.reverse {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
}

.split-section .copy-box {
    padding: 28px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(20,20,20,0.98), rgba(15,12,12,0.98));
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.check-list,
.clean-list {
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li,
.clean-list li {
    color: var(--muted);
    padding: 9px 0 9px 22px;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.check-list li::before,
.clean-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 19px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red2);
    box-shadow: 0 0 12px rgba(255,59,59,0.5);
}

.quick-card p {
    min-height: 48px;
}

.quick-card a {
    color: var(--red2);
    font-weight: 800;
}

.review-card strong {
    display: block;
    color: #fff;
    margin-bottom: 7px;
}

.faq-item h3 {
    font-size: 19px;
}

.notice-section {
    padding: 34px 0 50px;
}

.notice-box {
    background: linear-gradient(135deg, rgba(255,59,59,0.10), rgba(20,20,20,0.96));
}

.site-footer {
    background: #050505;
    color: var(--muted);
    border-top: 1px solid rgba(255,59,59,0.16);
    padding: 42px 20px 22px;
}

.footer-grid {
    width: min(1180px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.6fr .8fr .8fr 1.1fr;
    gap: 26px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 12px;
}

.site-footer h3 {
    font-size: 18px;
}

.site-footer a {
    display: block;
    color: var(--muted);
    margin: 8px 0;
}

.site-footer a:hover {
    color: var(--red2);
}

.footer-bottom {
    width: min(1180px, 100%);
    margin: 24px auto 0;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    color: var(--soft);
    font-size: 14px;
}

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

@media (max-width: 1080px) {
    .nav-core {
        gap: 5px;
    }

    .nav-core a {
        padding: 8px 8px;
        font-size: 14px;
    }

    .quick-grid,
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-banner,
    .page-hero {
        grid-template-columns: 1fr;
    }

    .hero-media {
        order: -1;
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    body {
        padding-bottom: 74px;
    }

    body.drawer-open {
        overflow: hidden;
    }

    .site-header {
        border-bottom: 1px solid rgba(255,59,59,0.18);
    }

    .topbar {
        height: 66px;
        display: grid;
        grid-template-columns: 46px minmax(0, 1fr) auto;
        padding: 0 12px;
        gap: 8px;
    }

    .menu-toggle {
        display: block;
    }

    .logo-text {
        font-size: 24px;
        justify-self: center;
    }

    .nav-core,
    .channel-nav {
        display: none;
    }

    .nav-register {
        padding: 9px 15px;
        font-size: 14px;
    }

    .site-main {
        padding-top: 66px;
    }

    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.58);
        z-index: 1500;
        opacity: 0;
        pointer-events: none;
        transition: .25s ease;
    }

    .mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: min(84vw, 320px);
        height: 100vh;
        background: #101010;
        z-index: 1600;
        transform: translateX(-104%);
        transition: .25s ease;
        border-right: 1px solid rgba(255,59,59,0.22);
        box-shadow: 18px 0 50px rgba(0,0,0,0.58);
        overflow-y: auto;
    }

    .drawer-open .drawer-mask {
        opacity: 1;
        pointer-events: auto;
    }

    .drawer-open .mobile-drawer {
        transform: translateX(0);
    }

    .drawer-head {
        height: 68px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 16px;
        border-bottom: 1px solid rgba(255,59,59,0.16);
    }

    .drawer-logo {
        font-size: 24px;
    }

    .drawer-close {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: rgba(255,59,59,0.10);
        border: 1px solid rgba(255,59,59,0.26);
        color: #fff;
        font-size: 26px;
        line-height: 1;
    }

    .drawer-nav {
        padding: 12px;
        display: grid;
        gap: 8px;
    }

    .drawer-nav a {
        display: block;
        padding: 12px 14px;
        color: var(--muted);
        border: 1px solid rgba(255,59,59,0.12);
        border-radius: 14px;
        background: rgba(255,255,255,0.02);
    }

    .drawer-nav a.active,
    .drawer-nav a:hover {
        color: var(--red);
        border-color: rgba(255,59,59,0.38);
        background: rgba(255,59,59,0.08);
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: 10px;
        z-index: 1200;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
        padding: 8px;
        border-radius: 18px;
        background: rgba(8,8,8,0.96);
        border: 1px solid rgba(255,59,59,0.22);
        box-shadow: 0 18px 40px rgba(0,0,0,0.45);
        backdrop-filter: blur(12px);
    }

    .mobile-bottom-nav a {
        text-align: center;
        padding: 8px 4px;
        border-radius: 13px;
        color: var(--muted);
        font-size: 13px;
        font-weight: 800;
    }

    .mobile-bottom-nav a:hover {
        color: #fff;
        background: rgba(255,59,59,0.18);
    }

    .container,
    .hero-banner,
    .page-hero,
    .section,
    .split-section,
    .notice-section {
        width: min(100% - 26px, 1180px);
    }

    .hero-banner {
        padding: 22px 0 22px;
        gap: 16px;
    }

    .hero-copy,
    .page-hero,
    .card,
    .info-card,
    .review-card,
    .faq-item,
    .quick-card,
    .notice-box,
    .split-section .copy-box {
        padding: 18px;
        border-radius: 16px;
    }

    .hero-media,
    .image-frame {
        border-radius: 18px;
        padding: 9px;
    }

    .hero-media img {
        max-height: 240px;
    }

    .page-hero {
        margin-top: 18px;
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .page-hero img,
    .image-frame img,
    .zone-card img,
    .info-card img,
    .content-img {
        max-height: 210px;
        height: auto;
        object-fit: contain;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .quick-grid,
    .split-section,
    .split-section.reverse {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 24px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        display: block;
    }

    .footer-bottom span {
        display: block;
        margin: 8px 0;
    }
}